diff options
Diffstat (limited to 'deps/raylib/examples/shaders/resources/shaders')
118 files changed, 6851 insertions, 0 deletions
diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/base.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/base.fs new file mode 100644 index 0000000..6a8d44e --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/base.fs @@ -0,0 +1,23 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +void main() +{ + // Texel color fetching from texture sampler + vec4 texelColor = texture2D(texture0, fragTexCoord); + + // NOTE: Implement here your fragment shader code + + gl_FragColor = texelColor*colDiffuse; +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/base.vs b/deps/raylib/examples/shaders/resources/shaders/glsl100/base.vs new file mode 100644 index 0000000..32e8399 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/base.vs @@ -0,0 +1,26 @@ +#version 100 + +// Input vertex attributes +attribute vec3 vertexPosition; +attribute vec2 vertexTexCoord; +attribute vec3 vertexNormal; +attribute vec4 vertexColor; + +// Input uniform values +uniform mat4 mvp; + +// Output vertex attributes (to fragment shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// NOTE: Add here your custom variables + +void main() +{ + // Send vertex attributes to fragment shader + fragTexCoord = vertexTexCoord; + fragColor = vertexColor; + + // Calculate final vertex position + gl_Position = mvp*vec4(vertexPosition, 1.0); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/bloom.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/bloom.fs new file mode 100644 index 0000000..673e011 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/bloom.fs @@ -0,0 +1,39 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +const vec2 size = vec2(800, 450); // render size +const float samples = 5.0; // pixels per axis; higher = bigger glow, worse performance +const float quality = 2.5; // lower = smaller glow, better quality + +void main() +{ + vec4 sum = vec4(0); + vec2 sizeFactor = vec2(1)/size*quality; + + // Texel color fetching from texture sampler + vec4 source = texture2D(texture0, fragTexCoord); + + const int range = 2; // should be = (samples - 1)/2; + + for (int x = -range; x <= range; x++) + { + for (int y = -range; y <= range; y++) + { + sum += texture2D(texture0, fragTexCoord + vec2(x, y)*sizeFactor); + } + } + + // Calculate final fragment color + gl_FragColor = ((sum/(samples*samples)) + source)*colDiffuse; +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/blur.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/blur.fs new file mode 100644 index 0000000..2fef571 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/blur.fs @@ -0,0 +1,34 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +// NOTE: Render size values must be passed from code +const float renderWidth = 800.0; +const float renderHeight = 450.0; + +vec3 offset = vec3(0.0, 1.3846153846, 3.2307692308); +vec3 weight = vec3(0.2270270270, 0.3162162162, 0.0702702703); + +void main() +{ + // Texel color fetching from texture sampler + vec3 tc = texture2D(texture0, fragTexCoord).rgb*weight.x; + + tc += texture2D(texture0, fragTexCoord + vec2(offset.y)/renderWidth, 0.0).rgb*weight.y; + tc += texture2D(texture0, fragTexCoord - vec2(offset.y)/renderWidth, 0.0).rgb*weight.y; + + tc += texture2D(texture0, fragTexCoord + vec2(offset.z)/renderWidth, 0.0).rgb*weight.z; + tc += texture2D(texture0, fragTexCoord - vec2(offset.z)/renderWidth, 0.0).rgb*weight.z; + + gl_FragColor = vec4(tc, 1.0); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/color_mix.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/color_mix.fs new file mode 100644 index 0000000..a163a8a --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/color_mix.fs @@ -0,0 +1,26 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform sampler2D texture1; +uniform vec4 colDiffuse; + +uniform float divider; + +void main() +{ + // Texel color fetching from texture sampler + vec4 texelColor0 = texture2D(texture0, fragTexCoord); + vec4 texelColor1 = texture2D(texture1, fragTexCoord); + + float x = fract(fragTexCoord.s); + float final = smoothstep(divider - 0.1, divider + 0.1, x); + + gl_FragColor = mix(texelColor0, texelColor1, final); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/cross_hatching.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/cross_hatching.fs new file mode 100644 index 0000000..d978de8 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/cross_hatching.fs @@ -0,0 +1,47 @@ +# version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +float hatchOffsetY = 5.0; +float lumThreshold01 = 0.9; +float lumThreshold02 = 0.7; +float lumThreshold03 = 0.5; +float lumThreshold04 = 0.3; + +void main() +{ + vec3 tc = vec3(1.0, 1.0, 1.0); + float lum = length(texture2D(texture0, fragTexCoord).rgb); + + if (lum < lumThreshold01) + { + if (mod(gl_FragCoord.x + gl_FragCoord.y, 10.0) == 0.0) tc = vec3(0.0, 0.0, 0.0); + } + + if (lum < lumThreshold02) + { + if (mod(gl_FragCoord .x - gl_FragCoord .y, 10.0) == 0.0) tc = vec3(0.0, 0.0, 0.0); + } + + if (lum < lumThreshold03) + { + if (mod(gl_FragCoord .x + gl_FragCoord .y - hatchOffsetY, 10.0) == 0.0) tc = vec3(0.0, 0.0, 0.0); + } + + if (lum < lumThreshold04) + { + if (mod(gl_FragCoord .x - gl_FragCoord .y - hatchOffsetY, 10.0) == 0.0) tc = vec3(0.0, 0.0, 0.0); + } + + gl_FragColor = vec4(tc, 1.0); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/cross_stitching.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/cross_stitching.fs new file mode 100644 index 0000000..a7a348d --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/cross_stitching.fs @@ -0,0 +1,57 @@ +# version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +// NOTE: Render size values must be passed from code +const float renderWidth = 800.0; +const float renderHeight = 450.0; + +float stitchingSize = 6.0; +int invert = 0; + +vec4 PostFX(sampler2D tex, vec2 uv) +{ + vec4 c = vec4(0.0); + float size = stitchingSize; + vec2 cPos = uv * vec2(renderWidth, renderHeight); + vec2 tlPos = floor(cPos / vec2(size, size)); + tlPos *= size; + + int remX = int(mod(cPos.x, size)); + int remY = int(mod(cPos.y, size)); + + if (remX == 0 && remY == 0) tlPos = cPos; + + vec2 blPos = tlPos; + blPos.y += (size - 1.0); + + if ((remX == remY) || (((int(cPos.x) - int(blPos.x)) == (int(blPos.y) - int(cPos.y))))) + { + if (invert == 1) c = vec4(0.2, 0.15, 0.05, 1.0); + else c = texture2D(tex, tlPos * vec2(1.0/renderWidth, 1.0/renderHeight)) * 1.4; + } + else + { + if (invert == 1) c = texture2D(tex, tlPos * vec2(1.0/renderWidth, 1.0/renderHeight)) * 1.4; + else c = vec4(0.0, 0.0, 0.0, 1.0); + } + + return c; +} + +void main() +{ + vec3 tc = PostFX(texture0, fragTexCoord).rgb; + + gl_FragColor = vec4(tc, 1.0); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/cubes_panning.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/cubes_panning.fs new file mode 100644 index 0000000..9e5eab0 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/cubes_panning.fs @@ -0,0 +1,60 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Custom variables +const float PI = 3.14159265358979323846; +uniform float uTime; + +float divisions = 5.0; +float angle = 0.0; + +vec2 VectorRotateTime(vec2 v, float speed) +{ + float time = uTime*speed; + float localTime = fract(time); // The time domain this works on is 1 sec. + + if ((localTime >= 0.0) && (localTime < 0.25)) angle = 0.0; + else if ((localTime >= 0.25) && (localTime < 0.50)) angle = PI/4.0*sin(2.0*PI*localTime - PI/2.0); + else if ((localTime >= 0.50) && (localTime < 0.75)) angle = PI*0.25; + else if ((localTime >= 0.75) && (localTime < 1.00)) angle = PI/4.0*sin(2.0*PI*localTime); + + // Rotate vector by angle + v -= 0.5; + v = mat2(cos(angle), -sin(angle), sin(angle), cos(angle))*v; + v += 0.5; + + return v; +} + +float Rectangle(in vec2 st, in float size, in float fill) +{ + float roundSize = 0.5 - size/2.0; + float left = step(roundSize, st.x); + float top = step(roundSize, st.y); + float bottom = step(roundSize, 1.0 - st.y); + float right = step(roundSize, 1.0 - st.x); + + return (left*bottom*right*top)*fill; +} + +void main() +{ + vec2 fragPos = fragTexCoord; + fragPos.xy += uTime/9.0; + + fragPos *= divisions; + vec2 ipos = floor(fragPos); // Get the integer coords + vec2 fpos = fract(fragPos); // Get the fractional coords + + fpos = VectorRotateTime(fpos, 0.2); + + float alpha = Rectangle(fpos, 0.216, 1.0); + vec3 color = vec3(0.3, 0.3, 0.3); + + gl_FragColor = vec4(color, alpha); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/depth.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/depth.fs new file mode 100644 index 0000000..7809927 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/depth.fs @@ -0,0 +1,26 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; // Depth texture +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +void main() +{ + float zNear = 0.01; // camera z near + float zFar = 10.0; // camera z far + float z = texture2D(texture0, fragTexCoord).x; + + // Linearize depth value + float depth = (2.0*zNear)/(zFar + zNear - z*(zFar - zNear)); + + // Calculate final fragment color + gl_FragColor = vec4(depth, depth, depth, 1.0f); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/distortion.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/distortion.fs new file mode 100644 index 0000000..c232be2 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/distortion.fs @@ -0,0 +1,54 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; + +// Input uniform values +uniform sampler2D texture0; + +// NOTE: Default parameters for Oculus Rift DK2 device +const vec2 LeftLensCenter = vec2(0.2863248, 0.5); +const vec2 RightLensCenter = vec2(0.7136753, 0.5); +const vec2 LeftScreenCenter = vec2(0.25, 0.5); +const vec2 RightScreenCenter = vec2(0.75, 0.5); +const vec2 Scale = vec2(0.25, 0.45); +const vec2 ScaleIn = vec2(4.0, 2.5); +const vec4 HmdWarpParam = vec4(1.0, 0.22, 0.24, 0.0); +const vec4 ChromaAbParam = vec4(0.996, -0.004, 1.014, 0.0); + +void main() +{ + // The following two variables need to be set per eye + vec2 LensCenter = fragTexCoord.x < 0.5 ? LeftLensCenter : RightLensCenter; + vec2 ScreenCenter = fragTexCoord.x < 0.5 ? LeftScreenCenter : RightScreenCenter; + + // Scales input texture coordinates for distortion: vec2 HmdWarp(vec2 fragTexCoord, vec2 LensCenter) + vec2 theta = (fragTexCoord - LensCenter)*ScaleIn; // Scales to [-1, 1] + float rSq = theta.x*theta.x + theta.y*theta.y; + vec2 theta1 = theta*(HmdWarpParam.x + HmdWarpParam.y*rSq + HmdWarpParam.z*rSq*rSq + HmdWarpParam.w*rSq*rSq*rSq); + //vec2 tc = LensCenter + Scale*theta1; + + // Detect whether blue texture coordinates are out of range since these will scaled out the furthest + vec2 thetaBlue = theta1*(ChromaAbParam.z + ChromaAbParam.w*rSq); + vec2 tcBlue = LensCenter + Scale*thetaBlue; + + if (any(bvec2(clamp(tcBlue, ScreenCenter - vec2(0.25, 0.5), ScreenCenter + vec2(0.25, 0.5)) - tcBlue))) gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0); + else + { + // Do blue texture lookup + float blue = texture2D(texture0, tcBlue).b; + + // Do green lookup (no scaling) + vec2 tcGreen = LensCenter + Scale*theta1; + float green = texture2D(texture0, tcGreen).g; + + // Do red scale and lookup + vec2 thetaRed = theta1*(ChromaAbParam.x + ChromaAbParam.y*rSq); + vec2 tcRed = LensCenter + Scale*thetaRed; + float red = texture2D(texture0, tcRed).r; + + gl_FragColor = vec4(red, green, blue, 1.0); + } +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/dream_vision.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/dream_vision.fs new file mode 100644 index 0000000..7014b59 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/dream_vision.fs @@ -0,0 +1,37 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +void main() +{ + vec4 color = texture2D(texture0, fragTexCoord); + + color += texture2D(texture0, fragTexCoord + 0.001); + color += texture2D(texture0, fragTexCoord + 0.003); + color += texture2D(texture0, fragTexCoord + 0.005); + color += texture2D(texture0, fragTexCoord + 0.007); + color += texture2D(texture0, fragTexCoord + 0.009); + color += texture2D(texture0, fragTexCoord + 0.011); + + color += texture2D(texture0, fragTexCoord - 0.001); + color += texture2D(texture0, fragTexCoord - 0.003); + color += texture2D(texture0, fragTexCoord - 0.005); + color += texture2D(texture0, fragTexCoord - 0.007); + color += texture2D(texture0, fragTexCoord - 0.009); + color += texture2D(texture0, fragTexCoord - 0.011); + + color.rgb = vec3((color.r + color.g + color.b)/3.0); + color = color/9.5; + + gl_FragColor = color; +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/eratosthenes.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/eratosthenes.fs new file mode 100644 index 0000000..0d5fcc5 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/eratosthenes.fs @@ -0,0 +1,60 @@ +#version 100 + +precision mediump float; + +/************************************************************************************* + + The Sieve of Eratosthenes -- a simple shader by ProfJski + An early prime number sieve: https://en.wikipedia.org/wiki/Sieve_of_Eratosthenes + + The screen is divided into a square grid of boxes, each representing an integer value. + Each integer is tested to see if it is a prime number. Primes are colored white. + Non-primes are colored with a color that indicates the smallest factor which evenly divdes our integer. + + You can change the scale variable to make a larger or smaller grid. + Total number of integers displayed = scale squared, so scale = 100 tests the first 10,000 integers. + + WARNING: If you make scale too large, your GPU may bog down! + +***************************************************************************************/ + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Make a nice spectrum of colors based on counter and maxSize +vec4 Colorizer(float counter, float maxSize) +{ + float red = 0.0, green = 0.0, blue = 0.0; + float normsize = counter/maxSize; + + red = smoothstep(0.3, 0.7, normsize); + green = sin(3.14159*normsize); + blue = 1.0 - smoothstep(0.0, 0.4, normsize); + + return vec4(0.8*red, 0.8*green, 0.8*blue, 1.0); +} + +void main() +{ + vec4 color = vec4(1.0); + float scale = 1000.0; // Makes 100x100 square grid. Change this variable to make a smaller or larger grid. + float value = scale*floor(fragTexCoord.y*scale) + floor(fragTexCoord.x*scale); // Group pixels into boxes representing integer values + int valuei = int(value); + + //if ((valuei == 0) || (valuei == 1) || (valuei == 2)) gl_FragColor = vec4(1.0); + //else + { + //for (int i = 2; (i < int(max(2.0, sqrt(value) + 1.0))); i++) + // NOTE: On GLSL 100 for loops are restricted and loop condition must be a constant + // Tested on RPI, it seems loops are limited around 60 iteractions + for (int i = 2; i < 48; i++) + { + if ((value - float(i)*floor(value/float(i))) <= 0.0) + { + gl_FragColor = Colorizer(float(i), scale); + //break; // Uncomment to color by the largest factor instead + } + } + } +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/fisheye.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/fisheye.fs new file mode 100644 index 0000000..c8ca0bb --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/fisheye.fs @@ -0,0 +1,43 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +const float PI = 3.1415926535; + +void main() +{ + float aperture = 178.0; + float apertureHalf = 0.5 * aperture * (PI / 180.0); + float maxFactor = sin(apertureHalf); + + vec2 uv = vec2(0.0); + vec2 xy = 2.0 * fragTexCoord.xy - 1.0; + float d = length(xy); + + if (d < (2.0 - maxFactor)) + { + d = length(xy * maxFactor); + float z = sqrt(1.0 - d * d); + float r = atan(d, z) / PI; + float phi = atan(xy.y, xy.x); + + uv.x = r * cos(phi) + 0.5; + uv.y = r * sin(phi) + 0.5; + } + else + { + uv = fragTexCoord.xy; + } + + gl_FragColor = texture2D(texture0, uv); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/fog.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/fog.fs new file mode 100644 index 0000000..c3d0e17 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/fog.fs @@ -0,0 +1,94 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec3 fragPosition; +varying vec2 fragTexCoord; +varying vec4 fragColor; +varying vec3 fragNormal; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +#define MAX_LIGHTS 4 +#define LIGHT_DIRECTIONAL 0 +#define LIGHT_POINT 1 + +struct MaterialProperty { + vec3 color; + int useSampler; + sampler2D sampler; +}; + +struct Light { + int enabled; + int type; + vec3 position; + vec3 target; + vec4 color; +}; + +// Input lighting values +uniform Light lights[MAX_LIGHTS]; +uniform vec4 ambient; +uniform vec3 viewPos; +uniform float fogDensity; + +void main() +{ + // Texel color fetching from texture sampler + vec4 texelColor = texture2D(texture0, fragTexCoord); + vec3 lightDot = vec3(0.0); + vec3 normal = normalize(fragNormal); + vec3 viewD = normalize(viewPos - fragPosition); + vec3 specular = vec3(0.0); + + // NOTE: Implement here your fragment shader code + + for (int i = 0; i < MAX_LIGHTS; i++) + { + if (lights[i].enabled == 1) + { + vec3 light = vec3(0.0); + + if (lights[i].type == LIGHT_DIRECTIONAL) light = -normalize(lights[i].target - lights[i].position); + if (lights[i].type == LIGHT_POINT) light = normalize(lights[i].position - fragPosition); + + float NdotL = max(dot(normal, light), 0.0); + lightDot += lights[i].color.rgb*NdotL; + + float specCo = 0.0; + if (NdotL > 0.0) specCo = pow(max(0.0, dot(viewD, reflect(-(light), normal))), 16.0); // Shine: 16.0 + specular += specCo; + } + } + + vec4 finalColor = (texelColor*((colDiffuse + vec4(specular,1))*vec4(lightDot, 1.0))); + finalColor += texelColor*(ambient/10.0); + + // Gamma correction + finalColor = pow(finalColor, vec4(1.0/2.2)); + + // Fog calculation + float dist = length(viewPos - fragPosition); + + // these could be parameters... + const vec4 fogColor = vec4(0.5, 0.5, 0.5, 1.0); + //const float fogDensity = 0.16; + + // Exponential fog + float fogFactor = 1.0/exp((dist*fogDensity)*(dist*fogDensity)); + + // Linear fog (less nice) + //const float fogStart = 2.0; + //const float fogEnd = 10.0; + //float fogFactor = (fogEnd - dist)/(fogEnd - fogStart); + + fogFactor = clamp(fogFactor, 0.0, 1.0); + + gl_FragColor = mix(fogColor, finalColor, fogFactor); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/grayscale.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/grayscale.fs new file mode 100644 index 0000000..0c01fc5 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/grayscale.fs @@ -0,0 +1,25 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +void main() +{ + // Texel color fetching from texture sampler + vec4 texelColor = texture2D(texture0, fragTexCoord)*colDiffuse*fragColor; + + // Convert texel color to grayscale using NTSC conversion weights + float gray = dot(texelColor.rgb, vec3(0.299, 0.587, 0.114)); + + // Calculate final fragment color + gl_FragColor = vec4(gray, gray, gray, texelColor.a); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/hybrid_raster.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/hybrid_raster.fs new file mode 100644 index 0000000..28188a4 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/hybrid_raster.fs @@ -0,0 +1,16 @@ +#version 100 +#extension GL_EXT_frag_depth : enable // Extension required for writing depth +precision mediump float; // Precision required for OpenGL ES2 (WebGL) + +varying vec2 fragTexCoord; +varying vec4 fragColor; + +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +void main() +{ + vec4 texelColor = texture2D(texture0, fragTexCoord); + gl_FragColor = texelColor*colDiffuse*fragColor; + gl_FragDepthEXT = gl_FragCoord.z; +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/hybrid_raymarch.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/hybrid_raymarch.fs new file mode 100644 index 0000000..6241186 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/hybrid_raymarch.fs @@ -0,0 +1,288 @@ +#version 100 +#extension GL_EXT_frag_depth : enable //Extension required for writing depth +#extension GL_OES_standard_derivatives : enable //Extension used for fwidth() +precision mediump float; // Precision required for OpenGL ES2 (WebGL) + + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// Custom Input Uniform +uniform vec3 camPos; +uniform vec3 camDir; +uniform vec2 screenCenter; + +#define ZERO 0 + +// https://learnopengl.com/Advanced-OpenGL/Depth-testing +float CalcDepth(in vec3 rd, in float Idist){ + float local_z = dot(normalize(camDir),rd)*Idist; + return (1.0/(local_z) - 1.0/0.01)/(1.0/1000.0 -1.0/0.01); +} + +// https://iquilezles.org/articles/distfunctions/ +float sdHorseshoe( in vec3 p, in vec2 c, in float r, in float le, vec2 w ) +{ + p.x = abs(p.x); + float l = length(p.xy); + p.xy = mat2(-c.x, c.y, + c.y, c.x)*p.xy; + p.xy = vec2((p.y>0.0 || p.x>0.0)?p.x:l*sign(-c.x), + (p.x>0.0)?p.y:l ); + p.xy = vec2(p.x,abs(p.y-r))-vec2(le,0.0); + + vec2 q = vec2(length(max(p.xy,0.0)) + min(0.0,max(p.x,p.y)),p.z); + vec2 d = abs(q) - w; + return min(max(d.x,d.y),0.0) + length(max(d,0.0)); +} + +// r = sphere's radius +// h = cutting's plane's position +// t = thickness +float sdSixWayCutHollowSphere( vec3 p, float r, float h, float t ) +{ + // Six way symetry Transformation + vec3 ap = abs(p); + if(ap.x < max(ap.y, ap.z)){ + if(ap.y < ap.z) ap.xz = ap.zx; + else ap.xy = ap.yx; + } + + vec2 q = vec2( length(ap.yz), ap.x ); + + float w = sqrt(r*r-h*h); + + return ((h*q.x<w*q.y) ? length(q-vec2(w,h)) : + abs(length(q)-r) ) - t; +} + +// https://iquilezles.org/articles/boxfunctions +vec2 iBox( in vec3 ro, in vec3 rd, in vec3 rad ) +{ + vec3 m = 1.0/rd; + vec3 n = m*ro; + vec3 k = abs(m)*rad; + vec3 t1 = -n - k; + vec3 t2 = -n + k; + return vec2( max( max( t1.x, t1.y ), t1.z ), + min( min( t2.x, t2.y ), t2.z ) ); +} + +vec2 opU( vec2 d1, vec2 d2 ) +{ + return (d1.x<d2.x) ? d1 : d2; +} + +vec2 map( in vec3 pos ){ + vec2 res = vec2( sdHorseshoe( pos-vec3(-1.0,0.08, 1.0), vec2(cos(1.3),sin(1.3)), 0.2, 0.3, vec2(0.03,0.5) ), 11.5 ) ; + res = opU(res, vec2( sdSixWayCutHollowSphere( pos-vec3(0.0, 1.0, 0.0), 4.0, 3.5, 0.5 ), 4.5 )) ; + return res; +} + +// https://www.shadertoy.com/view/Xds3zN +vec2 raycast( in vec3 ro, in vec3 rd ){ + vec2 res = vec2(-1.0,-1.0); + + float tmin = 1.0; + float tmax = 20.0; + + // raytrace floor plane + float tp1 = (-ro.y)/rd.y; + if( tp1>0.0 ) + { + tmax = min( tmax, tp1 ); + res = vec2( tp1, 1.0 ); + } + + float t = tmin; + for( int i=0; i<70 ; i++ ) + { + if(t>tmax) break; + vec2 h = map( ro+rd*t ); + if( abs(h.x)<(0.0001*t) ) + { + res = vec2(t,h.y); + break; + } + t += h.x; + } + + return res; +} + + +// https://iquilezles.org/articles/rmshadows +float calcSoftshadow( in vec3 ro, in vec3 rd, in float mint, in float tmax ) +{ + // bounding volume + float tp = (0.8-ro.y)/rd.y; if( tp>0.0 ) tmax = min( tmax, tp ); + + float res = 1.0; + float t = mint; + for( int i=ZERO; i<24; i++ ) + { + float h = map( ro + rd*t ).x; + float s = clamp(8.0*h/t,0.0,1.0); + res = min( res, s ); + t += clamp( h, 0.01, 0.2 ); + if( res<0.004 || t>tmax ) break; + } + res = clamp( res, 0.0, 1.0 ); + return res*res*(3.0-2.0*res); +} + + +// https://iquilezles.org/articles/normalsSDF +vec3 calcNormal( in vec3 pos ) +{ + vec2 e = vec2(1.0,-1.0)*0.5773*0.0005; + return normalize( e.xyy*map( pos + e.xyy ).x + + e.yyx*map( pos + e.yyx ).x + + e.yxy*map( pos + e.yxy ).x + + e.xxx*map( pos + e.xxx ).x ); +} + +// https://iquilezles.org/articles/nvscene2008/rwwtt.pdf +float calcAO( in vec3 pos, in vec3 nor ) +{ + float occ = 0.0; + float sca = 1.0; + for( int i=ZERO; i<5; i++ ) + { + float h = 0.01 + 0.12*float(i)/4.0; + float d = map( pos + h*nor ).x; + occ += (h-d)*sca; + sca *= 0.95; + if( occ>0.35 ) break; + } + return clamp( 1.0 - 3.0*occ, 0.0, 1.0 ) * (0.5+0.5*nor.y); +} + +// https://iquilezles.org/articles/checkerfiltering +float checkersGradBox( in vec2 p ) +{ + // filter kernel + vec2 w = fwidth(p) + 0.001; + // analytical integral (box filter) + vec2 i = 2.0*(abs(fract((p-0.5*w)*0.5)-0.5)-abs(fract((p+0.5*w)*0.5)-0.5))/w; + // xor pattern + return 0.5 - 0.5*i.x*i.y; +} + +// https://www.shadertoy.com/view/tdS3DG +vec4 render( in vec3 ro, in vec3 rd) +{ + // background + vec3 col = vec3(0.7, 0.7, 0.9) - max(rd.y,0.0)*0.3; + + // raycast scene + vec2 res = raycast(ro,rd); + float t = res.x; + float m = res.y; + if( m>-0.5 ) + { + vec3 pos = ro + t*rd; + vec3 nor = (m<1.5) ? vec3(0.0,1.0,0.0) : calcNormal( pos ); + vec3 ref = reflect( rd, nor ); + + // material + col = 0.2 + 0.2*sin( m*2.0 + vec3(0.0,1.0,2.0) ); + float ks = 1.0; + + if( m<1.5 ) + { + float f = checkersGradBox( 3.0*pos.xz); + col = 0.15 + f*vec3(0.05); + ks = 0.4; + } + + // lighting + float occ = calcAO( pos, nor ); + + vec3 lin = vec3(0.0); + + // sun + { + vec3 lig = normalize( vec3(-0.5, 0.4, -0.6) ); + vec3 hal = normalize( lig-rd ); + float dif = clamp( dot( nor, lig ), 0.0, 1.0 ); + //if( dif>0.0001 ) + dif *= calcSoftshadow( pos, lig, 0.02, 2.5 ); + float spe = pow( clamp( dot( nor, hal ), 0.0, 1.0 ),16.0); + spe *= dif; + spe *= 0.04+0.96*pow(clamp(1.0-dot(hal,lig),0.0,1.0),5.0); + //spe *= 0.04+0.96*pow(clamp(1.0-sqrt(0.5*(1.0-dot(rd,lig))),0.0,1.0),5.0); + lin += col*2.20*dif*vec3(1.30,1.00,0.70); + lin += 5.00*spe*vec3(1.30,1.00,0.70)*ks; + } + // sky + { + float dif = sqrt(clamp( 0.5+0.5*nor.y, 0.0, 1.0 )); + dif *= occ; + float spe = smoothstep( -0.2, 0.2, ref.y ); + spe *= dif; + spe *= 0.04+0.96*pow(clamp(1.0+dot(nor,rd),0.0,1.0), 5.0 ); + //if( spe>0.001 ) + spe *= calcSoftshadow( pos, ref, 0.02, 2.5 ); + lin += col*0.60*dif*vec3(0.40,0.60,1.15); + lin += 2.00*spe*vec3(0.40,0.60,1.30)*ks; + } + // back + { + float dif = clamp( dot( nor, normalize(vec3(0.5,0.0,0.6))), 0.0, 1.0 )*clamp( 1.0-pos.y,0.0,1.0); + dif *= occ; + lin += col*0.55*dif*vec3(0.25,0.25,0.25); + } + // sss + { + float dif = pow(clamp(1.0+dot(nor,rd),0.0,1.0),2.0); + dif *= occ; + lin += col*0.25*dif*vec3(1.00,1.00,1.00); + } + + col = lin; + + col = mix( col, vec3(0.7,0.7,0.9), 1.0-exp( -0.0001*t*t*t ) ); + } + + return vec4(vec3( clamp(col,0.0,1.0) ),t); +} + +vec3 CalcRayDir(vec2 nCoord){ + vec3 horizontal = normalize(cross(camDir,vec3(.0 , 1.0, .0))); + vec3 vertical = normalize(cross(horizontal,camDir)); + return normalize(camDir + horizontal*nCoord.x + vertical*nCoord.y); +} + +mat3 setCamera() +{ + vec3 cw = normalize(camDir); + vec3 cp = vec3(0.0, 1.0 ,0.0); + vec3 cu = normalize( cross(cw,cp) ); + vec3 cv = ( cross(cu,cw) ); + return mat3( cu, cv, cw ); +} + +void main() +{ + vec2 nCoord = (gl_FragCoord.xy - screenCenter.xy)/screenCenter.y; + mat3 ca = setCamera(); + + // focal length + float fl = length(camDir); + vec3 rd = ca * normalize( vec3(nCoord,fl) ); + vec3 color = vec3(nCoord/2.0 + 0.5, 0.0); + float depth = gl_FragCoord.z; + { + vec4 res = render( camPos - vec3(0.0, 0.0, 0.0) , rd ); + color = res.xyz; + depth = CalcDepth(rd,res.w); + } + gl_FragColor = vec4(color , 1.0); + gl_FragDepthEXT = depth; +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/julia_set.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/julia_set.fs new file mode 100644 index 0000000..82d0a75 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/julia_set.fs @@ -0,0 +1,85 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +uniform vec2 c; // c.x = real, c.y = imaginary component. Equation done is z^2 + c +uniform vec2 offset; // Offset of the scale. +uniform float zoom; // Zoom of the scale. + +// NOTE: Maximum number of shader for-loop iterations depend on GPU, +// for example, on RasperryPi for this examply only supports up to 60 +const int maxIterations = 48; // Max iterations to do. +const float colorCycles = 1.0f; // Number of times the color palette repeats. + +// Square a complex number +vec2 ComplexSquare(vec2 z) +{ + return vec2( + z.x*z.x - z.y*z.y, + z.x*z.y*2.0f + ); +} + +// Convert Hue Saturation Value (HSV) color into RGB +vec3 Hsv2rgb(vec3 c) +{ + vec4 K = vec4(1.0f, 2.0f/3.0f, 1.0f/3.0f, 3.0f); + vec3 p = abs(fract(c.xxx + K.xyz)*6.0f - K.www); + return c.z*mix(K.xxx, clamp(p - K.xxx, 0.0f, 1.0f), c.y); +} + +void main() +{ + /********************************************************************************************** + Julia sets use a function z^2 + c, where c is a constant. + This function is iterated until the nature of the point is determined. + + If the magnitude of the number becomes greater than 2, then from that point onward + the number will get bigger and bigger, and will never get smaller (tends towards infinity). + 2^2 = 4, 4^2 = 8 and so on. + So at 2 we stop iterating. + + If the number is below 2, we keep iterating. + But when do we stop iterating if the number is always below 2 (it converges)? + That is what maxIterations is for. + Then we can divide the iterations by the maxIterations value to get a normalized value that we can + then map to a color. + + We use dot product (z.x * z.x + z.y * z.y) to determine the magnitude (length) squared. + And once the magnitude squared is > 4, then magnitude > 2 is also true (saves computational power). + *************************************************************************************************/ + + // The pixel coordinates are scaled so they are on the mandelbrot scale + // NOTE: fragTexCoord already comes as normalized screen coordinates but offset must be normalized before scaling and zoom + vec2 z = vec2((fragTexCoord.x - 0.5f)*2.5f, (fragTexCoord.y - 0.5f)*1.5f)/zoom; + z.x += offset.x; + z.y += offset.y; + + int iter = 0; + for (int iterations = 0; iterations < 60; iterations++) + { + z = ComplexSquare(z) + c; // Iterate function + if (dot(z, z) > 4.0f) break; + + iter = iterations; + } + + // Another few iterations decreases errors in the smoothing calculation. + // See http://linas.org/art-gallery/escape/escape.html for more information. + z = ComplexSquare(z) + c; + z = ComplexSquare(z) + c; + + // This last part smooths the color (again see link above). + float smoothVal = float(iter) + 1.0f - (log(log(length(z)))/log(2.0f)); + + // Normalize the value so it is between 0 and 1. + float norm = smoothVal/float(maxIterations); + + // If in set, color black. 0.999 allows for some float accuracy error. + if (norm > 0.999f) gl_FragColor = vec4(0.0f, 0.0f, 0.0f, 1.0f); + else gl_FragColor = vec4(Hsv2rgb(vec3(norm*colorCycles, 1.0f, 1.0f)), 1.0f); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/lighting.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/lighting.fs new file mode 100644 index 0000000..f9b0bd3 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/lighting.fs @@ -0,0 +1,77 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec3 fragPosition; +varying vec2 fragTexCoord; +varying vec4 fragColor; +varying vec3 fragNormal; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +#define MAX_LIGHTS 4 +#define LIGHT_DIRECTIONAL 0 +#define LIGHT_POINT 1 + +struct Light { + int enabled; + int type; + vec3 position; + vec3 target; + vec4 color; +}; + +// Input lighting values +uniform Light lights[MAX_LIGHTS]; +uniform vec4 ambient; +uniform vec3 viewPos; + +void main() +{ + // Texel color fetching from texture sampler + vec4 texelColor = texture2D(texture0, fragTexCoord); + vec3 lightDot = vec3(0.0); + vec3 normal = normalize(fragNormal); + vec3 viewD = normalize(viewPos - fragPosition); + vec3 specular = vec3(0.0); + + vec4 tint = colDiffuse * fragColor; + + // NOTE: Implement here your fragment shader code + + for (int i = 0; i < MAX_LIGHTS; i++) + { + if (lights[i].enabled == 1) + { + vec3 light = vec3(0.0); + + if (lights[i].type == LIGHT_DIRECTIONAL) + { + light = -normalize(lights[i].target - lights[i].position); + } + + if (lights[i].type == LIGHT_POINT) + { + light = normalize(lights[i].position - fragPosition); + } + + float NdotL = max(dot(normal, light), 0.0); + lightDot += lights[i].color.rgb*NdotL; + + float specCo = 0.0; + if (NdotL > 0.0) specCo = pow(max(0.0, dot(viewD, reflect(-(light), normal))), 16.0); // 16 refers to shine + specular += specCo; + } + } + + vec4 finalColor = (texelColor*((tint + vec4(specular, 1.0))*vec4(lightDot, 1.0))); + finalColor += texelColor*(ambient/10.0); + + // Gamma correction + gl_FragColor = pow(finalColor, vec4(1.0/2.2)); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/lighting.vs b/deps/raylib/examples/shaders/resources/shaders/glsl100/lighting.vs new file mode 100644 index 0000000..5245c61 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/lighting.vs @@ -0,0 +1,59 @@ +#version 100 + +// Input vertex attributes +attribute vec3 vertexPosition; +attribute vec2 vertexTexCoord; +attribute vec3 vertexNormal; +attribute vec4 vertexColor; + +// Input uniform values +uniform mat4 mvp; +uniform mat4 matModel; + +// Output vertex attributes (to fragment shader) +varying vec3 fragPosition; +varying vec2 fragTexCoord; +varying vec4 fragColor; +varying vec3 fragNormal; + +// NOTE: Add here your custom variables + +// https://github.com/glslify/glsl-inverse +mat3 inverse(mat3 m) +{ + float a00 = m[0][0], a01 = m[0][1], a02 = m[0][2]; + float a10 = m[1][0], a11 = m[1][1], a12 = m[1][2]; + float a20 = m[2][0], a21 = m[2][1], a22 = m[2][2]; + + float b01 = a22*a11 - a12*a21; + float b11 = -a22*a10 + a12*a20; + float b21 = a21*a10 - a11*a20; + + float det = a00*b01 + a01*b11 + a02*b21; + + return mat3(b01, (-a22*a01 + a02*a21), (a12*a01 - a02*a11), + b11, (a22*a00 - a02*a20), (-a12*a00 + a02*a10), + b21, (-a21*a00 + a01*a20), (a11*a00 - a01*a10))/det; +} + +// https://github.com/glslify/glsl-transpose +mat3 transpose(mat3 m) +{ + return mat3(m[0][0], m[1][0], m[2][0], + m[0][1], m[1][1], m[2][1], + m[0][2], m[1][2], m[2][2]); +} + +void main() +{ + // Send vertex attributes to fragment shader + fragPosition = vec3(matModel*vec4(vertexPosition, 1.0)); + fragTexCoord = vertexTexCoord; + fragColor = vertexColor; + + mat3 normalMatrix = transpose(inverse(mat3(matModel))); + fragNormal = normalize(normalMatrix*vertexNormal); + + // Calculate final vertex position + gl_Position = mvp*vec4(vertexPosition, 1.0); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/lighting_instancing.vs b/deps/raylib/examples/shaders/resources/shaders/glsl100/lighting_instancing.vs new file mode 100644 index 0000000..eb47bb9 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/lighting_instancing.vs @@ -0,0 +1,36 @@ +#version 100 + +// Input vertex attributes +attribute vec3 vertexPosition; +attribute vec2 vertexTexCoord; +attribute vec3 vertexNormal; +attribute vec4 vertexColor; + +attribute mat4 instanceTransform; + +// Input uniform values +uniform mat4 mvp; +uniform mat4 matNormal; + +// Output vertex attributes (to fragment shader) +varying vec3 fragPosition; +varying vec2 fragTexCoord; +varying vec4 fragColor; +varying vec3 fragNormal; + +// NOTE: Add here your custom variables + +void main() +{ + // Compute MVP for current instance + mat4 mvpi = mvp*instanceTransform; + + // Send vertex attributes to fragment shader + fragPosition = vec3(mvpi*vec4(vertexPosition, 1.0)); + fragTexCoord = vertexTexCoord; + fragColor = vertexColor; + fragNormal = normalize(vec3(matNormal*vec4(vertexNormal, 1.0))); + + // Calculate final vertex position + gl_Position = mvpi*vec4(vertexPosition, 1.0); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/lightmap.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/lightmap.fs new file mode 100644 index 0000000..9f0bcd2 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/lightmap.fs @@ -0,0 +1,22 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec2 fragTexCoord2; +varying vec3 fragPosition; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform sampler2D texture1; + +void main() +{ + // Texel color fetching from texture sampler + vec4 texelColor = texture2D(texture0, fragTexCoord); + vec4 texelColor2 = texture2D(texture1, fragTexCoord2); + + gl_FragColor = texelColor * texelColor2; +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/lightmap.vs b/deps/raylib/examples/shaders/resources/shaders/glsl100/lightmap.vs new file mode 100644 index 0000000..f5d87b3 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/lightmap.vs @@ -0,0 +1,31 @@ +#version 100 + +// Input vertex attributes +attribute vec3 vertexPosition; +attribute vec2 vertexTexCoord; +attribute vec2 vertexTexCoord2; +attribute vec4 vertexColor; + +// Input uniform values +uniform mat4 mvp; +uniform mat4 matModel; + +// Output vertex attributes (to fragment shader) +varying vec3 fragPosition; +varying vec2 fragTexCoord; +varying vec2 fragTexCoord2; +varying vec4 fragColor; + +// NOTE: Add here your custom variables + +void main() +{ + // Send vertex attributes to fragment shader + fragPosition = vec3(matModel*vec4(vertexPosition, 1.0)); + fragTexCoord = vertexTexCoord; + fragTexCoord2 = vertexTexCoord2; + fragColor = vertexColor; + + // Calculate final vertex position + gl_Position = mvp*vec4(vertexPosition, 1.0); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/mask.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/mask.fs new file mode 100644 index 0000000..2071062 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/mask.fs @@ -0,0 +1,24 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform sampler2D mask; +uniform vec4 colDiffuse; +uniform int frame; + +// NOTE: Add here your custom variables + +void main() +{ + vec4 maskColour = texture2D(mask, fragTexCoord + vec2(sin(-float(frame)/150.0)/10.0, cos(-float(frame)/170.0)/10.0)); + if (maskColour.r < 0.25) discard; + vec4 texelColor = texture2D(texture0, fragTexCoord + vec2(sin(float(frame)/90.0)/8.0, cos(float(frame)/60.0)/8.0)); + + gl_FragColor = texelColor*maskColour; +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/outline.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/outline.fs new file mode 100644 index 0000000..c64409e --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/outline.fs @@ -0,0 +1,34 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +uniform vec2 textureSize; +uniform float outlineSize; +uniform vec4 outlineColor; + +void main() +{ + vec4 texel = texture2D(texture0, fragTexCoord); // Get texel color + vec2 texelScale = vec2(0.0); + texelScale.x = outlineSize/textureSize.x; + texelScale.y = outlineSize/textureSize.y; + + // We sample four corner texels, but only for the alpha channel (this is for the outline) + vec4 corners = vec4(0.0); + corners.x = texture2D(texture0, fragTexCoord + vec2(texelScale.x, texelScale.y)).a; + corners.y = texture2D(texture0, fragTexCoord + vec2(texelScale.x, -texelScale.y)).a; + corners.z = texture2D(texture0, fragTexCoord + vec2(-texelScale.x, texelScale.y)).a; + corners.w = texture2D(texture0, fragTexCoord + vec2(-texelScale.x, -texelScale.y)).a; + + float outline = min(dot(corners, vec4(1.0)), 1.0); + vec4 color = mix(vec4(0.0), outlineColor, outline); + gl_FragColor = mix(color, texel, texel.a); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/palette_switch.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/palette_switch.fs new file mode 100644 index 0000000..d8d696d --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/palette_switch.fs @@ -0,0 +1,43 @@ +#version 100 + +precision mediump float; + +const int MAX_INDEXED_COLORS = 8; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform ivec3 palette[MAX_INDEXED_COLORS]; +//uniform sampler2D palette; // Alternative to ivec3, palette provided as a 256x1 texture + +void main() +{ + // Texel color fetching from texture sampler + vec4 texelColor = texture2D(texture0, fragTexCoord)*fragColor; + + // Convert the (normalized) texel color RED component (GB would work, too) + // to the palette index by scaling up from [0..1] to [0..255] + int index = int(texelColor.r*255.0); + + ivec3 color = ivec3(0); + + // NOTE: On GLSL 100 we are not allowed to index a uniform array by a variable value, + // a constant must be used, so this logic... + if (index == 0) color = palette[0]; + else if (index == 1) color = palette[1]; + else if (index == 2) color = palette[2]; + else if (index == 3) color = palette[3]; + else if (index == 4) color = palette[4]; + else if (index == 5) color = palette[5]; + else if (index == 6) color = palette[6]; + else if (index == 7) color = palette[7]; + + //gl_FragColor = texture2D(palette, texelColor.xy); // Alternative to ivec3 + + // Calculate final fragment color. Note that the palette color components + // are defined in the range [0..255] and need to be normalized to [0..1] + gl_FragColor = vec4(float(color.x)/255.0, float(color.y)/255.0, float(color.z)/255.0, texelColor.a); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/pbr.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/pbr.fs new file mode 100644 index 0000000..1ada833 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/pbr.fs @@ -0,0 +1,156 @@ +#version 100 + +precision mediump float; + +#define MAX_LIGHTS 4 +#define LIGHT_DIRECTIONAL 0 +#define LIGHT_POINT 1 +#define PI 3.14159265358979323846 + +struct Light { + int enabled; + int type; + vec3 position; + vec3 target; + vec4 color; + float intensity; +}; + +// Input vertex attributes (from vertex shader) +varying in vec3 fragPosition; +varying in vec2 fragTexCoord; +varying in vec4 fragColor; +varying in vec3 fragNormal; +varying in vec4 shadowPos; +varying in mat3 TBN; + + +// Input uniform values +uniform int numOfLights; +uniform sampler2D albedoMap; +uniform sampler2D mraMap; +uniform sampler2D normalMap; +uniform sampler2D emissiveMap; // r: Hight g:emissive + +uniform vec2 tiling; +uniform vec2 offset; + +uniform int useTexAlbedo; +uniform int useTexNormal; +uniform int useTexMRA; +uniform int useTexEmissive; + +uniform vec4 albedoColor; +uniform vec4 emissiveColor; +uniform float normalValue; +uniform float metallicValue; +uniform float roughnessValue; +uniform float aoValue; +uniform float emissivePower; + +// Input lighting values +uniform Light lights[MAX_LIGHTS]; +uniform vec3 viewPos; + +uniform vec3 ambientColor; +uniform float ambient; + +// refl in range 0 to 1 +// returns base reflectivity to 1 +// incrase reflectivity when surface view at larger angle +vec3 schlickFresnel(float hDotV,vec3 refl) +{ + return refl + (1.0 - refl) * pow(1.0 - hDotV,5.0); +} + +float ggxDistribution(float nDotH,float roughness) +{ + float a = roughness * roughness * roughness * roughness; + float d = nDotH * nDotH * (a - 1.0) + 1.0; + d = PI * d * d; + return a / max(d,0.0000001); +} + +float geomSmith(float nDotV,float nDotL,float roughness) +{ + float r = roughness + 1.0; + float k = r * r / 8.0; + float ik = 1.0 - k; + float ggx1 = nDotV / (nDotV * ik + k); + float ggx2 = nDotL / (nDotL * ik + k); + return ggx1 * ggx2; +} + +vec3 pbr(){ + vec3 albedo = texture2D(albedoMap,vec2(fragTexCoord.x*tiling.x+offset.x,fragTexCoord.y*tiling.y+offset.y)).rgb; + albedo = vec3(albedoColor.x*albedo.x,albedoColor.y*albedo.y,albedoColor.z*albedo.z); + float metallic = clamp(metallicValue,0.0,1.0); + float roughness = clamp(roughnessValue,0.0,1.0); + float ao = clamp(aoValue,0.0,1.0); + if(useTexMRA == 1) { + vec4 mra = texture2D(mraMap, vec2(fragTexCoord.x * tiling.x + offset.x, fragTexCoord.y * tiling.y + offset.y)); + metallic = clamp(mra.r+metallicValue,0.04,1.0); + roughness = clamp(mra.g+roughnessValue,0.04,1.0); + ao = (mra.b+aoValue)*0.5; + } + + + + vec3 N = normalize(fragNormal); + if(useTexNormal == 1) { + N = texture2D(normalMap, vec2(fragTexCoord.x * tiling.x + offset.y, fragTexCoord.y * tiling.y + offset.y)).rgb; + N = normalize(N * 2.0 - 1.0); + N = normalize(N * TBN); + } + + vec3 V = normalize(viewPos - fragPosition); + + vec3 e = vec3(0); + e = (texture2D(emissiveMap, vec2(fragTexCoord.x*tiling.x+offset.x, fragTexCoord.y*tiling.y+offset.y)).rgb).g * emissiveColor.rgb*emissivePower * float(useTexEmissive); + + //return N;//vec3(metallic,metallic,metallic); + //if dia-electric use base reflectivity of 0.04 otherwise ut is a metal use albedo as base reflectivity + vec3 baseRefl = mix(vec3(0.04),albedo.rgb,metallic); + vec3 Lo = vec3(0.0); // acumulate lighting lum + + for(int i=0;i<numOfLights;++i){ + + vec3 L = normalize(lights[i].position - fragPosition); // calc light vector + vec3 H = normalize(V + L); // calc halfway bisecting vector + float dist = length(lights[i].position - fragPosition); // calc distance to light + float attenuation = 1.0 / (dist * dist * 0.23); // calc attenuation + vec3 radiance = lights[i].color.rgb * lights[i].intensity * attenuation; // calc input radiance,light energy comming in + + //Cook-Torrance BRDF distribution function + float nDotV = max(dot(N,V),0.0000001); + float nDotL = max(dot(N,L),0.0000001); + float hDotV = max(dot(H,V),0.0); + float nDotH = max(dot(N,H),0.0); + float D = ggxDistribution(nDotH,roughness); // larger the more micro-facets aligned to H + float G = geomSmith(nDotV,nDotL,roughness); // smaller the more micro-facets shadow + vec3 F = schlickFresnel(hDotV, baseRefl); // fresnel proportion of specular reflectance + + vec3 spec = (D * G * F) / (4.0 * nDotV * nDotL); + // difuse and spec light can't be above 1.0 + // kD = 1.0 - kS diffuse component is equal 1.0 - spec comonent + vec3 kD = vec3(1.0) - F; + //mult kD by the inverse of metallnes , only non-metals should have diffuse light + kD *= 1.0 - metallic; + Lo += ((kD * albedo.rgb / PI + spec) * radiance * nDotL)*float(lights[i].enabled); // angle of light has impact on result + } + vec3 ambient_final = (ambientColor + albedo)* ambient * 0.5; + return ambient_final+Lo*ao+e; +} + +void main() +{ + vec3 color = pbr(); + + //HDR tonemapping + color = pow(color,color + vec3(1.0)); + //gamma correction + color = pow(color,vec3(1.0/2.2)); + + gl_FragColor = vec4(color,1.0); + +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/pbr.vs b/deps/raylib/examples/shaders/resources/shaders/glsl100/pbr.vs new file mode 100644 index 0000000..3fa651f --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/pbr.vs @@ -0,0 +1,75 @@ +#version 100 + +// Input vertex attributes +attribute vec3 vertexPosition; +attribute vec2 vertexTexCoord; +attribute vec3 vertexNormal; +attribute vec3 vertexTangent; +attribute vec4 vertexColor; + +// Input uniform values +uniform mat4 mvp; +uniform mat4 matModel; +uniform mat4 matNormal; +uniform vec3 lightPos; +uniform vec4 difColor; + +// Output vertex attributes (to fragment shader) +varying vec3 fragPosition; +varying vec2 fragTexCoord; +varying vec4 fragColor; +varying vec3 fragNormal; +varying mat3 TBN; + +const float normalOffset = 0.1; + +// https://github.com/glslify/glsl-inverse +mat3 inverse(mat3 m) +{ + float a00 = m[0][0], a01 = m[0][1], a02 = m[0][2]; + float a10 = m[1][0], a11 = m[1][1], a12 = m[1][2]; + float a20 = m[2][0], a21 = m[2][1], a22 = m[2][2]; + + float b01 = a22*a11 - a12*a21; + float b11 = -a22*a10 + a12*a20; + float b21 = a21*a10 - a11*a20; + + float det = a00*b01 + a01*b11 + a02*b21; + + return mat3(b01, (-a22*a01 + a02*a21), (a12*a01 - a02*a11), + b11, (a22*a00 - a02*a20), (-a12*a00 + a02*a10), + b21, (-a21*a00 + a01*a20), (a11*a00 - a01*a10))/det; +} + +// https://github.com/glslify/glsl-transpose +mat3 transpose(mat3 m) +{ + return mat3(m[0][0], m[1][0], m[2][0], + m[0][1], m[1][1], m[2][1], + m[0][2], m[1][2], m[2][2]); +} + +void main() +{ + + // calc binormal from vertex normal and tangent + vec3 vertexBinormal = cross(vertexNormal, vertexTangent); + // calc fragment normal based on normal transformations + mat3 normalMatrix = transpose(inverse(mat3(matModel))); + // calc fragment position based on model transformations + + fragPosition = vec3(matModel*vec4(vertexPosition, 1.0)); + + fragTexCoord = vertexTexCoord*2.0; + + fragNormal = normalize(normalMatrix*vertexNormal); + vec3 fragTangent = normalize(normalMatrix*vertexTangent); + fragTangent = normalize(fragTangent - dot(fragTangent, fragNormal)*fragNormal); + vec3 fragBinormal = normalize(normalMatrix*vertexBinormal); + fragBinormal = cross(fragNormal, fragTangent); + + TBN = transpose(mat3(fragTangent, fragBinormal, fragNormal)); + + // Calculate final vertex position + gl_Position = mvp * vec4(vertexPosition, 1.0); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/pixelizer.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/pixelizer.fs new file mode 100644 index 0000000..dae63df --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/pixelizer.fs @@ -0,0 +1,32 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +// NOTE: Render size values must be passed from code +const float renderWidth = 800.0; +const float renderHeight = 450.0; + +float pixelWidth = 5.0; +float pixelHeight = 5.0; + +void main() +{ + float dx = pixelWidth*(1.0/renderWidth); + float dy = pixelHeight*(1.0/renderHeight); + + vec2 coord = vec2(dx*floor(fragTexCoord.x/dx), dy*floor(fragTexCoord.y/dy)); + + vec3 tc = texture2D(texture0, coord).rgb; + + gl_FragColor = vec4(tc, 1.0); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/posterization.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/posterization.fs new file mode 100644 index 0000000..f7060e5 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/posterization.fs @@ -0,0 +1,29 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +float gamma = 0.6; +float numColors = 8.0; + +void main() +{ + vec3 color = texture2D(texture0, fragTexCoord.xy).rgb; + + color = pow(color, vec3(gamma, gamma, gamma)); + color = color*numColors; + color = floor(color); + color = color/numColors; + color = pow(color, vec3(1.0/gamma)); + + gl_FragColor = vec4(color, 1.0); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/predator.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/predator.fs new file mode 100644 index 0000000..e0c0a9d --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/predator.fs @@ -0,0 +1,31 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +void main() +{ + vec3 color = texture2D(texture0, fragTexCoord).rgb; + vec3 colors[3]; + colors[0] = vec3(0.0, 0.0, 1.0); + colors[1] = vec3(1.0, 1.0, 0.0); + colors[2] = vec3(1.0, 0.0, 0.0); + + float lum = (color.r + color.g + color.b)/3.0; + + vec3 tc = vec3(0.0, 0.0, 0.0); + + if (lum < 0.5) tc = mix(colors[0], colors[1], lum/0.5); + else tc = mix(colors[1], colors[2], (lum - 0.5)/0.5); + + gl_FragColor = vec4(tc, 1.0); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/raymarching.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/raymarching.fs new file mode 100644 index 0000000..a7339d2 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/raymarching.fs @@ -0,0 +1,431 @@ +#version 100 + +precision mediump float; + +#extension GL_OES_standard_derivatives : enable + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +uniform vec3 viewEye; +uniform vec3 viewCenter; +uniform float runTime; +uniform vec2 resolution; + +// The MIT License +// Copyright © 2013 Inigo Quilez +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: + +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. + +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +// A list of useful distance function to simple primitives, and an example on how to +// do some interesting boolean operations, repetition and displacement. +// +// More info here: http://www.iquilezles.org/www/articles/distfunctions/distfunctions.htm + +#define AA 1 // make this 1 if your machine is too slow + +//------------------------------------------------------------------ + +float sdPlane( vec3 p ) +{ + return p.y; +} + +float sdSphere( vec3 p, float s ) +{ + return length(p)-s; +} + +float sdBox( vec3 p, vec3 b ) +{ + vec3 d = abs(p) - b; + return min(max(d.x,max(d.y,d.z)),0.0) + length(max(d,0.0)); +} + +float sdEllipsoid( in vec3 p, in vec3 r ) +{ + return (length( p/r ) - 1.0) * min(min(r.x,r.y),r.z); +} + +float udRoundBox( vec3 p, vec3 b, float r ) +{ + return length(max(abs(p)-b,0.0))-r; +} + +float sdTorus( vec3 p, vec2 t ) +{ + return length( vec2(length(p.xz)-t.x,p.y) )-t.y; +} + +float sdHexPrism( vec3 p, vec2 h ) +{ + vec3 q = abs(p); +#if 0 + return max(q.z-h.y,max((q.x*0.866025+q.y*0.5),q.y)-h.x); +#else + float d1 = q.z-h.y; + float d2 = max((q.x*0.866025+q.y*0.5),q.y)-h.x; + return length(max(vec2(d1,d2),0.0)) + min(max(d1,d2), 0.); +#endif +} + +float sdCapsule( vec3 p, vec3 a, vec3 b, float r ) +{ + vec3 pa = p-a, ba = b-a; + float h = clamp( dot(pa,ba)/dot(ba,ba), 0.0, 1.0 ); + return length( pa - ba*h ) - r; +} + +float sdEquilateralTriangle( in vec2 p ) +{ + const float k = sqrt(3.0); + p.x = abs(p.x) - 1.0; + p.y = p.y + 1.0/k; + if( p.x + k*p.y > 0.0 ) p = vec2( p.x - k*p.y, -k*p.x - p.y )/2.0; + p.x += 2.0 - 2.0*clamp( (p.x+2.0)/2.0, 0.0, 1.0 ); + return -length(p)*sign(p.y); +} + +float sdTriPrism( vec3 p, vec2 h ) +{ + vec3 q = abs(p); + float d1 = q.z-h.y; +#if 1 + // distance bound + float d2 = max(q.x*0.866025+p.y*0.5,-p.y)-h.x*0.5; +#else + // correct distance + h.x *= 0.866025; + float d2 = sdEquilateralTriangle(p.xy/h.x)*h.x; +#endif + return length(max(vec2(d1,d2),0.0)) + min(max(d1,d2), 0.); +} + +float sdCylinder( vec3 p, vec2 h ) +{ + vec2 d = abs(vec2(length(p.xz),p.y)) - h; + return min(max(d.x,d.y),0.0) + length(max(d,0.0)); +} + +float sdCone( in vec3 p, in vec3 c ) +{ + vec2 q = vec2( length(p.xz), p.y ); + float d1 = -q.y-c.z; + float d2 = max( dot(q,c.xy), q.y); + return length(max(vec2(d1,d2),0.0)) + min(max(d1,d2), 0.); +} + +float sdConeSection( in vec3 p, in float h, in float r1, in float r2 ) +{ + float d1 = -p.y - h; + float q = p.y - h; + float si = 0.5*(r1-r2)/h; + float d2 = max( sqrt( dot(p.xz,p.xz)*(1.0-si*si)) + q*si - r2, q ); + return length(max(vec2(d1,d2),0.0)) + min(max(d1,d2), 0.); +} + +float sdPryamid4(vec3 p, vec3 h ) // h = { cos a, sin a, height } +{ + // Tetrahedron = Octahedron - Cube + float box = sdBox( p - vec3(0,-2.0*h.z,0), vec3(2.0*h.z) ); + + float d = 0.0; + d = max( d, abs( dot(p, vec3( -h.x, h.y, 0 )) )); + d = max( d, abs( dot(p, vec3( h.x, h.y, 0 )) )); + d = max( d, abs( dot(p, vec3( 0, h.y, h.x )) )); + d = max( d, abs( dot(p, vec3( 0, h.y,-h.x )) )); + float octa = d - h.z; + return max(-box,octa); // Subtraction + } + +float length2( vec2 p ) +{ + return sqrt( p.x*p.x + p.y*p.y ); +} + +float length6( vec2 p ) +{ + p = p*p*p; p = p*p; + return pow( p.x + p.y, 1.0/6.0 ); +} + +float length8( vec2 p ) +{ + p = p*p; p = p*p; p = p*p; + return pow( p.x + p.y, 1.0/8.0 ); +} + +float sdTorus82( vec3 p, vec2 t ) +{ + vec2 q = vec2(length2(p.xz)-t.x,p.y); + return length8(q)-t.y; +} + +float sdTorus88( vec3 p, vec2 t ) +{ + vec2 q = vec2(length8(p.xz)-t.x,p.y); + return length8(q)-t.y; +} + +float sdCylinder6( vec3 p, vec2 h ) +{ + return max( length6(p.xz)-h.x, abs(p.y)-h.y ); +} + +//------------------------------------------------------------------ + +float opS( float d1, float d2 ) +{ + return max(-d2,d1); +} + +vec2 opU( vec2 d1, vec2 d2 ) +{ + return (d1.x<d2.x) ? d1 : d2; +} + +vec3 opRep( vec3 p, vec3 c ) +{ + return mod(p,c)-0.5*c; +} + +vec3 opTwist( vec3 p ) +{ + float c = cos(10.0*p.y+10.0); + float s = sin(10.0*p.y+10.0); + mat2 m = mat2(c,-s,s,c); + return vec3(m*p.xz,p.y); +} + +//------------------------------------------------------------------ + +vec2 map( in vec3 pos ) +{ + vec2 res = opU( vec2( sdPlane( pos), 1.0 ), + vec2( sdSphere( pos-vec3( 0.0,0.25, 0.0), 0.25 ), 46.9 ) ); + res = opU( res, vec2( sdBox( pos-vec3( 1.0,0.25, 0.0), vec3(0.25) ), 3.0 ) ); + res = opU( res, vec2( udRoundBox( pos-vec3( 1.0,0.25, 1.0), vec3(0.15), 0.1 ), 41.0 ) ); + res = opU( res, vec2( sdTorus( pos-vec3( 0.0,0.25, 1.0), vec2(0.20,0.05) ), 25.0 ) ); + res = opU( res, vec2( sdCapsule( pos,vec3(-1.3,0.10,-0.1), vec3(-0.8,0.50,0.2), 0.1 ), 31.9 ) ); + res = opU( res, vec2( sdTriPrism( pos-vec3(-1.0,0.25,-1.0), vec2(0.25,0.05) ),43.5 ) ); + res = opU( res, vec2( sdCylinder( pos-vec3( 1.0,0.30,-1.0), vec2(0.1,0.2) ), 8.0 ) ); + res = opU( res, vec2( sdCone( pos-vec3( 0.0,0.50,-1.0), vec3(0.8,0.6,0.3) ), 55.0 ) ); + res = opU( res, vec2( sdTorus82( pos-vec3( 0.0,0.25, 2.0), vec2(0.20,0.05) ),50.0 ) ); + res = opU( res, vec2( sdTorus88( pos-vec3(-1.0,0.25, 2.0), vec2(0.20,0.05) ),43.0 ) ); + res = opU( res, vec2( sdCylinder6( pos-vec3( 1.0,0.30, 2.0), vec2(0.1,0.2) ), 12.0 ) ); + res = opU( res, vec2( sdHexPrism( pos-vec3(-1.0,0.20, 1.0), vec2(0.25,0.05) ),17.0 ) ); + res = opU( res, vec2( sdPryamid4( pos-vec3(-1.0,0.15,-2.0), vec3(0.8,0.6,0.25) ),37.0 ) ); + res = opU( res, vec2( opS( udRoundBox( pos-vec3(-2.0,0.2, 1.0), vec3(0.15),0.05), + sdSphere( pos-vec3(-2.0,0.2, 1.0), 0.25)), 13.0 ) ); + res = opU( res, vec2( opS( sdTorus82( pos-vec3(-2.0,0.2, 0.0), vec2(0.20,0.1)), + sdCylinder( opRep( vec3(atan(pos.x+2.0,pos.z)/6.2831, pos.y, 0.02+0.5*length(pos-vec3(-2.0,0.2, 0.0))), vec3(0.05,1.0,0.05)), vec2(0.02,0.6))), 51.0 ) ); + res = opU( res, vec2( 0.5*sdSphere( pos-vec3(-2.0,0.25,-1.0), 0.2 ) + 0.03*sin(50.0*pos.x)*sin(50.0*pos.y)*sin(50.0*pos.z), 65.0 ) ); + res = opU( res, vec2( 0.5*sdTorus( opTwist(pos-vec3(-2.0,0.25, 2.0)),vec2(0.20,0.05)), 46.7 ) ); + res = opU( res, vec2( sdConeSection( pos-vec3( 0.0,0.35,-2.0), 0.15, 0.2, 0.1 ), 13.67 ) ); + res = opU( res, vec2( sdEllipsoid( pos-vec3( 1.0,0.35,-2.0), vec3(0.15, 0.2, 0.05) ), 43.17 ) ); + + return res; +} + +vec2 castRay( in vec3 ro, in vec3 rd ) +{ + float tmin = 0.2; + float tmax = 30.0; + +#if 1 + // bounding volume + float tp1 = (0.0-ro.y)/rd.y; if( tp1>0.0 ) tmax = min( tmax, tp1 ); + float tp2 = (1.6-ro.y)/rd.y; if( tp2>0.0 ) { if( ro.y>1.6 ) tmin = max( tmin, tp2 ); + else tmax = min( tmax, tp2 ); } +#endif + + float t = tmin; + float m = -1.0; + for( int i=0; i<64; i++ ) + { + float precis = 0.0005*t; + vec2 res = map( ro+rd*t ); + if( res.x<precis || t>tmax ) break; + t += res.x; + m = res.y; + } + + if( t>tmax ) m=-1.0; + return vec2( t, m ); +} + + +float calcSoftshadow( in vec3 ro, in vec3 rd, in float mint, in float tmax ) +{ + float res = 1.0; + float t = mint; + for( int i=0; i<16; i++ ) + { + float h = map( ro + rd*t ).x; + res = min( res, 8.0*h/t ); + t += clamp( h, 0.02, 0.10 ); + if( h<0.001 || t>tmax ) break; + } + return clamp( res, 0.0, 1.0 ); +} + +vec3 calcNormal( in vec3 pos ) +{ + vec2 e = vec2(1.0,-1.0)*0.5773*0.0005; + return normalize( e.xyy*map( pos + e.xyy ).x + + e.yyx*map( pos + e.yyx ).x + + e.yxy*map( pos + e.yxy ).x + + e.xxx*map( pos + e.xxx ).x ); + /* + vec3 eps = vec3( 0.0005, 0.0, 0.0 ); + vec3 nor = vec3( + map(pos+eps.xyy).x - map(pos-eps.xyy).x, + map(pos+eps.yxy).x - map(pos-eps.yxy).x, + map(pos+eps.yyx).x - map(pos-eps.yyx).x ); + return normalize(nor); + */ +} + +float calcAO( in vec3 pos, in vec3 nor ) +{ + float occ = 0.0; + float sca = 1.0; + for( int i=0; i<5; i++ ) + { + float hr = 0.01 + 0.12*float(i)/4.0; + vec3 aopos = nor * hr + pos; + float dd = map( aopos ).x; + occ += -(dd-hr)*sca; + sca *= 0.95; + } + return clamp( 1.0 - 3.0*occ, 0.0, 1.0 ); +} + +// http://iquilezles.org/www/articles/checkerfiltering/checkerfiltering.htm +float checkersGradBox( in vec2 p ) +{ + // filter kernel + vec2 w = fwidth(p) + 0.001; + // analytical integral (box filter) + vec2 i = 2.0*(abs(fract((p-0.5*w)*0.5)-0.5)-abs(fract((p+0.5*w)*0.5)-0.5))/w; + // xor pattern + return 0.5 - 0.5*i.x*i.y; +} + +vec3 render( in vec3 ro, in vec3 rd ) +{ + vec3 col = vec3(0.7, 0.9, 1.0) +rd.y*0.8; + vec2 res = castRay(ro,rd); + float t = res.x; + float m = res.y; + if( m>-0.5 ) + { + vec3 pos = ro + t*rd; + vec3 nor = calcNormal( pos ); + vec3 ref = reflect( rd, nor ); + + // material + col = 0.45 + 0.35*sin( vec3(0.05,0.08,0.10)*(m-1.0) ); + if( m<1.5 ) + { + + float f = checkersGradBox( 5.0*pos.xz ); + col = 0.3 + f*vec3(0.1); + } + + // lighting + float occ = calcAO( pos, nor ); + vec3 lig = normalize( vec3(cos(-0.4 * runTime), sin(0.7 * runTime), -0.6) ); + vec3 hal = normalize( lig-rd ); + float amb = clamp( 0.5+0.5*nor.y, 0.0, 1.0 ); + float dif = clamp( dot( nor, lig ), 0.0, 1.0 ); + float bac = clamp( dot( nor, normalize(vec3(-lig.x,0.0,-lig.z))), 0.0, 1.0 )*clamp( 1.0-pos.y,0.0,1.0); + float dom = smoothstep( -0.1, 0.1, ref.y ); + float fre = pow( clamp(1.0+dot(nor,rd),0.0,1.0), 2.0 ); + + dif *= calcSoftshadow( pos, lig, 0.02, 2.5 ); + dom *= calcSoftshadow( pos, ref, 0.02, 2.5 ); + + float spe = pow( clamp( dot( nor, hal ), 0.0, 1.0 ),16.0)* + dif * + (0.04 + 0.96*pow( clamp(1.0+dot(hal,rd),0.0,1.0), 5.0 )); + + vec3 lin = vec3(0.0); + lin += 1.30*dif*vec3(1.00,0.80,0.55); + lin += 0.40*amb*vec3(0.40,0.60,1.00)*occ; + lin += 0.50*dom*vec3(0.40,0.60,1.00)*occ; + lin += 0.50*bac*vec3(0.25,0.25,0.25)*occ; + lin += 0.25*fre*vec3(1.00,1.00,1.00)*occ; + col = col*lin; + col += 10.00*spe*vec3(1.00,0.90,0.70); + + col = mix( col, vec3(0.8,0.9,1.0), 1.0-exp( -0.0002*t*t*t ) ); + } + + return vec3( clamp(col,0.0,1.0) ); +} + +mat3 setCamera( in vec3 ro, in vec3 ta, float cr ) +{ + vec3 cw = normalize(ta-ro); + vec3 cp = vec3(sin(cr), cos(cr),0.0); + vec3 cu = normalize( cross(cw,cp) ); + vec3 cv = normalize( cross(cu,cw) ); + return mat3( cu, cv, cw ); +} + +void main() +{ + vec3 tot = vec3(0.0); +#if AA>1 + for( int m=0; m<AA; m++ ) + for( int n=0; n<AA; n++ ) + { + // pixel coordinates + vec2 o = vec2(float(m),float(n)) / float(AA) - 0.5; + vec2 p = (-resolution.xy + 2.0*(gl_FragCoord.xy+o))/resolution.y; +#else + vec2 p = (-resolution.xy + 2.0*gl_FragCoord.xy)/resolution.y; +#endif + + // RAY: Camera is provided from raylib + //vec3 ro = vec3( -0.5+3.5*cos(0.1*time + 6.0*mo.x), 1.0 + 2.0*mo.y, 0.5 + 4.0*sin(0.1*time + 6.0*mo.x) ); + + vec3 ro = viewEye; + vec3 ta = viewCenter; + + // camera-to-world transformation + mat3 ca = setCamera( ro, ta, 0.0 ); + // ray direction + vec3 rd = ca * normalize( vec3(p.xy,2.0) ); + + // render + vec3 col = render( ro, rd ); + + // gamma + col = pow( col, vec3(0.4545) ); + + tot += col; +#if AA>1 + } + tot /= float(AA*AA); +#endif + + gl_FragColor = vec4( tot, 1.0 ); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/reload.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/reload.fs new file mode 100644 index 0000000..d8e4416 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/reload.fs @@ -0,0 +1,39 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; // Texture coordinates (sampler2D) +varying vec4 fragColor; // Tint color + +// Uniform inputs +uniform vec2 resolution; // Viewport resolution (in pixels) +uniform vec2 mouse; // Mouse pixel xy coordinates +uniform float time; // Total run time (in secods) + +// Draw circle +vec4 DrawCircle(vec2 fragCoord, vec2 position, float radius, vec3 color) +{ + float d = length(position - fragCoord) - radius; + float t = clamp(d, 0.0, 1.0); + return vec4(color, 1.0 - t); +} + +void main() +{ + vec2 fragCoord = gl_FragCoord.xy; + vec2 position = vec2(mouse.x, resolution.y - mouse.y); + float radius = 40.0; + + // Draw background layer + vec4 colorA = vec4(0.2,0.2,0.8, 1.0); + vec4 colorB = vec4(1.0,0.7,0.2, 1.0); + vec4 layer1 = mix(colorA, colorB, abs(sin(time*0.1))); + + // Draw circle layer + vec3 color = vec3(0.9, 0.16, 0.21); + vec4 layer2 = DrawCircle(fragCoord, position, radius, color); + + // Blend the two layers + gl_FragColor = mix(layer1, layer2, layer2.a); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/scanlines.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/scanlines.fs new file mode 100644 index 0000000..74c9c31 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/scanlines.fs @@ -0,0 +1,44 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +float offset = 0.0; +float frequency = 450.0/3.0; + +uniform float time; + +void main() +{ +/* + // Scanlines method 1 + float tval = 0; //time + vec2 uv = 0.5 + (fragTexCoord - 0.5)*(0.9 + 0.01*sin(0.5*tval)); + + vec4 color = texture2D(texture0, fragTexCoord); + + color = clamp(color*0.5 + 0.5*color*color*1.2, 0.0, 1.0); + color *= 0.5 + 0.5*16.0*uv.x*uv.y*(1.0 - uv.x)*(1.0 - uv.y); + color *= vec4(0.8, 1.0, 0.7, 1); + color *= 0.9 + 0.1*sin(10.0*tval + uv.y*1000.0); + color *= 0.97 + 0.03*sin(110.0*tval); + + fragColor = color; +*/ + // Scanlines method 2 + float globalPos = (fragTexCoord.y + offset) * frequency; + float wavePos = cos((fract(globalPos) - 0.5)*3.14); + + vec4 color = texture2D(texture0, fragTexCoord); + + gl_FragColor = mix(vec4(0.0, 0.3, 0.0, 0.0), color, wavePos); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/sobel.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/sobel.fs new file mode 100644 index 0000000..6468b09 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/sobel.fs @@ -0,0 +1,40 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables +vec2 resolution = vec2(800.0, 450.0); + +void main() +{ + float x = 1.0/resolution.x; + float y = 1.0/resolution.y; + + vec4 horizEdge = vec4(0.0); + horizEdge -= texture2D(texture0, vec2(fragTexCoord.x - x, fragTexCoord.y - y))*1.0; + horizEdge -= texture2D(texture0, vec2(fragTexCoord.x - x, fragTexCoord.y ))*2.0; + horizEdge -= texture2D(texture0, vec2(fragTexCoord.x - x, fragTexCoord.y + y))*1.0; + horizEdge += texture2D(texture0, vec2(fragTexCoord.x + x, fragTexCoord.y - y))*1.0; + horizEdge += texture2D(texture0, vec2(fragTexCoord.x + x, fragTexCoord.y ))*2.0; + horizEdge += texture2D(texture0, vec2(fragTexCoord.x + x, fragTexCoord.y + y))*1.0; + + vec4 vertEdge = vec4(0.0); + vertEdge -= texture2D(texture0, vec2(fragTexCoord.x - x, fragTexCoord.y - y))*1.0; + vertEdge -= texture2D(texture0, vec2(fragTexCoord.x , fragTexCoord.y - y))*2.0; + vertEdge -= texture2D(texture0, vec2(fragTexCoord.x + x, fragTexCoord.y - y))*1.0; + vertEdge += texture2D(texture0, vec2(fragTexCoord.x - x, fragTexCoord.y + y))*1.0; + vertEdge += texture2D(texture0, vec2(fragTexCoord.x , fragTexCoord.y + y))*2.0; + vertEdge += texture2D(texture0, vec2(fragTexCoord.x + x, fragTexCoord.y + y))*1.0; + + vec3 edge = sqrt((horizEdge.rgb*horizEdge.rgb) + (vertEdge.rgb*vertEdge.rgb)); + + gl_FragColor = vec4(edge, texture2D(texture0, fragTexCoord).a); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/spotlight.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/spotlight.fs new file mode 100644 index 0000000..a563421 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/spotlight.fs @@ -0,0 +1,77 @@ +#version 100 + +precision mediump float; + +#define MAX_SPOTS 3 + +struct Spot { + vec2 pos; // window coords of spot + float inner; // inner fully transparent centre radius + float radius; // alpha fades out to this radius +}; + +uniform Spot spots[MAX_SPOTS]; // Spotlight positions array +uniform float screenWidth; // Width of the screen + +void main() +{ + float alpha = 1.0; + + // Get the position of the current fragment (screen coordinates!) + vec2 pos = vec2(gl_FragCoord.x, gl_FragCoord.y); + + // Find out which spotlight is nearest + float d = 65000.0; // some high value + int fi = -1; // found index + + for (int i = 0; i < MAX_SPOTS; i++) + { + for (int j = 0; j < MAX_SPOTS; j++) + { + float dj = distance(pos, spots[j].pos) - spots[j].radius + spots[i].radius; + + if (d > dj) + { + d = dj; + fi = i; + } + } + } + + // d now equals distance to nearest spot... + // allowing for the different radii of all spotlights + if (fi == 0) + { + if (d > spots[0].radius) alpha = 1.0; + else + { + if (d < spots[0].inner) alpha = 0.0; + else alpha = (d - spots[0].inner)/(spots[0].radius - spots[0].inner); + } + } + else if (fi == 1) + { + if (d > spots[1].radius) alpha = 1.0; + else + { + if (d < spots[1].inner) alpha = 0.0; + else alpha = (d - spots[1].inner)/(spots[1].radius - spots[1].inner); + } + } + else if (fi == 2) + { + if (d > spots[2].radius) alpha = 1.0; + else + { + if (d < spots[2].inner) alpha = 0.0; + else alpha = (d - spots[2].inner)/(spots[2].radius - spots[2].inner); + } + } + + // Right hand side of screen is dimly lit, + // could make the threshold value user definable + if ((pos.x > screenWidth/2.0) && (alpha > 0.9)) alpha = 0.9; + + // could make the black out colour user definable... + gl_FragColor = vec4(0, 0, 0, alpha); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/swirl.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/swirl.fs new file mode 100644 index 0000000..7ff401a --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/swirl.fs @@ -0,0 +1,46 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +// NOTE: Render size values should be passed from code +const float renderWidth = 800.0; +const float renderHeight = 450.0; + +float radius = 250.0; +float angle = 0.8; + +uniform vec2 center; + +void main() +{ + vec2 texSize = vec2(renderWidth, renderHeight); + vec2 tc = fragTexCoord*texSize; + tc -= center; + + float dist = length(tc); + + if (dist < radius) + { + float percent = (radius - dist)/radius; + float theta = percent*percent*angle*8.0; + float s = sin(theta); + float c = cos(theta); + + tc = vec2(dot(tc, vec2(c, -s)), dot(tc, vec2(s, c))); + } + + tc += center; + vec4 color = texture2D(texture0, tc/texSize)*colDiffuse*fragColor;; + + gl_FragColor = vec4(color.rgb, 1.0); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/tiling.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/tiling.fs new file mode 100644 index 0000000..392786a --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/tiling.fs @@ -0,0 +1,21 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D diffuseMap; +uniform vec4 tiling; + +// NOTE: Add here your custom variables + +void main() +{ + vec2 texCoord = fragTexCoord*tiling; + fragColor = texture2D(diffuseMap, texCoord); + + gl_FragColor = fragColor; +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/vertex_displacement.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/vertex_displacement.fs new file mode 100644 index 0000000..3328a91 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/vertex_displacement.fs @@ -0,0 +1,18 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from fragment shader) +varying vec2 fragTexCoord; +varying float height; + + +void main() +{ + vec4 darkblue = vec4(0.0, 0.13, 0.18, 1.0); + vec4 lightblue = vec4(1.0, 1.0, 1.0, 1.0); + // Interpolate between two colors based on height + vec4 finalColor = mix(darkblue, lightblue, height); + + gl_FragColor = finalColor; +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/vertex_displacement.vs b/deps/raylib/examples/shaders/resources/shaders/glsl100/vertex_displacement.vs new file mode 100644 index 0000000..c7b926d --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/vertex_displacement.vs @@ -0,0 +1,45 @@ +#version 100 + +precision mediump float; + +attribute vec3 vertexPosition; +attribute vec2 vertexTexCoord; +attribute vec3 vertexNormal; +attribute vec4 vertexColor; + +uniform mat4 mvp; +uniform mat4 matModel; +uniform mat4 matNormal; + +uniform float time; + +uniform sampler2D perlinNoiseMap; + +varying vec3 fragPosition; +varying vec2 fragTexCoord; +varying vec3 fragNormal; +varying float height; + +void main() +{ + // Calculate animated texture coordinates based on time and vertex position + vec2 animatedTexCoord = sin(vertexTexCoord + vec2(sin(time + vertexPosition.x * 0.1), cos(time + vertexPosition.z * 0.1)) * 0.3); + + // Normalize animated texture coordinates to range [0, 1] + animatedTexCoord = animatedTexCoord * 0.5 + 0.5; + + // Fetch displacement from the perlin noise map + float displacement = texture2D(perlinNoiseMap, animatedTexCoord).r * 7.0; // Amplified displacement + + // Displace vertex position + vec3 displacedPosition = vertexPosition + vec3(0.0, displacement, 0.0); + + // Send vertex attributes to fragment shader + fragPosition = vec3(matModel * vec4(displacedPosition, 1.0)); + fragTexCoord = vertexTexCoord; + fragNormal = normalize(vec3(matNormal * vec4(vertexNormal, 1.0))); + height = displacedPosition.y * 0.2; // send height to fragment shader for coloring + + // Calculate final vertex position + gl_Position = mvp * vec4(displacedPosition, 1.0); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/wave.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/wave.fs new file mode 100644 index 0000000..cd4ba9d --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/wave.fs @@ -0,0 +1,36 @@ +#version 100 + +precision mediump float; + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +uniform float seconds; + +uniform vec2 size; + +uniform float freqX; +uniform float freqY; +uniform float ampX; +uniform float ampY; +uniform float speedX; +uniform float speedY; + +void main() { + float pixelWidth = 1.0 / size.x; + float pixelHeight = 1.0 / size.y; + float aspect = pixelHeight / pixelWidth; + float boxLeft = 0.0; + float boxTop = 0.0; + + vec2 p = fragTexCoord; + p.x += cos((fragTexCoord.y - boxTop) * freqX / ( pixelWidth * 750.0) + (seconds * speedX)) * ampX * pixelWidth; + p.y += sin((fragTexCoord.x - boxLeft) * freqY * aspect / ( pixelHeight * 750.0) + (seconds * speedY)) * ampY * pixelHeight; + + gl_FragColor = texture2D(texture0, p)*colDiffuse*fragColor; +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl100/write_depth.fs b/deps/raylib/examples/shaders/resources/shaders/glsl100/write_depth.fs new file mode 100644 index 0000000..341c611 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl100/write_depth.fs @@ -0,0 +1,17 @@ +#version 100 +#extension GL_EXT_frag_depth : enable +precision mediump float; // Precision required for OpenGL ES2 (WebGL) + +varying vec2 fragTexCoord; +varying vec4 fragColor; + +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +void main() +{ + vec4 texelColor = texture2D(texture0, fragTexCoord); + + gl_FragColor = texelColor*colDiffuse*fragColor; + gl_FragDepthEXT = 1.0 - gl_FragCoord.z; +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/base.fs b/deps/raylib/examples/shaders/resources/shaders/glsl120/base.fs new file mode 100644 index 0000000..50781ad --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/base.fs @@ -0,0 +1,22 @@ +#version 120 + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables +uniform vec2 resolution = vec2(800, 450); + +void main() +{ + // Texel color fetching from texture sampler + vec4 texelColor = texture2D(texture0, fragTexCoord); + + // NOTE: Implement here your fragment shader code + + gl_FragColor = texelColor*colDiffuse; +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/base.vs b/deps/raylib/examples/shaders/resources/shaders/glsl120/base.vs new file mode 100644 index 0000000..08a61e3 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/base.vs @@ -0,0 +1,26 @@ +#version 120 + +// Input vertex attributes +attribute vec3 vertexPosition; +attribute vec2 vertexTexCoord; +attribute vec3 vertexNormal; +attribute vec4 vertexColor; + +// Input uniform values +uniform mat4 mvp; + +// Output vertex attributes (to fragment shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// NOTE: Add here your custom variables + +void main() +{ + // Send vertex attributes to fragment shader + fragTexCoord = vertexTexCoord; + fragColor = vertexColor; + + // Calculate final vertex position + gl_Position = mvp*vec4(vertexPosition, 1.0); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/bloom.fs b/deps/raylib/examples/shaders/resources/shaders/glsl120/bloom.fs new file mode 100644 index 0000000..b8c4495 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/bloom.fs @@ -0,0 +1,37 @@ +#version 120 + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +const vec2 size = vec2(800, 450); // Framebuffer size +const float samples = 5.0; // Pixels per axis; higher = bigger glow, worse performance +const float quality = 2.5; // Defines size factor: Lower = smaller glow, better quality + +void main() +{ + vec4 sum = vec4(0); + vec2 sizeFactor = vec2(1)/size*quality; + + // Texel color fetching from texture sampler + vec4 source = texture2D(texture0, fragTexCoord); + + const int range = 2; // should be = (samples - 1)/2; + + for (int x = -range; x <= range; x++) + { + for (int y = -range; y <= range; y++) + { + sum += texture2D(texture0, fragTexCoord + vec2(x, y)*sizeFactor); + } + } + + // Calculate final fragment color + gl_FragColor = ((sum/(samples*samples)) + source)*colDiffuse; +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/blur.fs b/deps/raylib/examples/shaders/resources/shaders/glsl120/blur.fs new file mode 100644 index 0000000..cf66d87 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/blur.fs @@ -0,0 +1,32 @@ +#version 120 + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +// NOTE: Render size values must be passed from code +const float renderWidth = 800.0; +const float renderHeight = 450.0; + +vec3 offset = vec3(0.0, 1.3846153846, 3.2307692308); +vec3 weight = vec3(0.2270270270, 0.3162162162, 0.0702702703); + +void main() +{ + // Texel color fetching from texture sampler + vec3 tc = texture2D(texture0, fragTexCoord).rgb*weight.x; + + tc += texture2D(texture0, fragTexCoord + vec2(offset.y)/renderWidth, 0.0).rgb*weight.y; + tc += texture2D(texture0, fragTexCoord - vec2(offset.y)/renderWidth, 0.0).rgb*weight.y; + + tc += texture2D(texture0, fragTexCoord + vec2(offset.z)/renderWidth, 0.0).rgb*weight.z; + tc += texture2D(texture0, fragTexCoord - vec2(offset.z)/renderWidth, 0.0).rgb*weight.z; + + gl_FragColor = vec4(tc, 1.0); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/cross_hatching.fs b/deps/raylib/examples/shaders/resources/shaders/glsl120/cross_hatching.fs new file mode 100644 index 0000000..14b7e2e --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/cross_hatching.fs @@ -0,0 +1,45 @@ +# version 120 + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +float hatchOffsetY = 5.0; +float lumThreshold01 = 0.9; +float lumThreshold02 = 0.7; +float lumThreshold03 = 0.5; +float lumThreshold04 = 0.3; + +void main() +{ + vec3 tc = vec3(1.0, 1.0, 1.0); + float lum = length(texture2D(texture0, fragTexCoord).rgb); + + if (lum < lumThreshold01) + { + if (mod(gl_FragCoord.x + gl_FragCoord.y, 10.0) == 0.0) tc = vec3(0.0, 0.0, 0.0); + } + + if (lum < lumThreshold02) + { + if (mod(gl_FragCoord .x - gl_FragCoord .y, 10.0) == 0.0) tc = vec3(0.0, 0.0, 0.0); + } + + if (lum < lumThreshold03) + { + if (mod(gl_FragCoord .x + gl_FragCoord .y - hatchOffsetY, 10.0) == 0.0) tc = vec3(0.0, 0.0, 0.0); + } + + if (lum < lumThreshold04) + { + if (mod(gl_FragCoord .x - gl_FragCoord .y - hatchOffsetY, 10.0) == 0.0) tc = vec3(0.0, 0.0, 0.0); + } + + gl_FragColor = vec4(tc, 1.0); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/cross_stitching.fs b/deps/raylib/examples/shaders/resources/shaders/glsl120/cross_stitching.fs new file mode 100644 index 0000000..0e0cb7c --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/cross_stitching.fs @@ -0,0 +1,55 @@ +# version 120 + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +// NOTE: Render size values must be passed from code +const float renderWidth = 800.0; +const float renderHeight = 450.0; + +float stitchingSize = 6.0; +int invert = 0; + +vec4 PostFX(sampler2D tex, vec2 uv) +{ + vec4 c = vec4(0.0); + float size = stitchingSize; + vec2 cPos = uv * vec2(renderWidth, renderHeight); + vec2 tlPos = floor(cPos / vec2(size, size)); + tlPos *= size; + + int remX = int(mod(cPos.x, size)); + int remY = int(mod(cPos.y, size)); + + if (remX == 0 && remY == 0) tlPos = cPos; + + vec2 blPos = tlPos; + blPos.y += (size - 1.0); + + if ((remX == remY) || (((int(cPos.x) - int(blPos.x)) == (int(blPos.y) - int(cPos.y))))) + { + if (invert == 1) c = vec4(0.2, 0.15, 0.05, 1.0); + else c = texture2D(tex, tlPos * vec2(1.0/renderWidth, 1.0/renderHeight)) * 1.4; + } + else + { + if (invert == 1) c = texture2D(tex, tlPos * vec2(1.0/renderWidth, 1.0/renderHeight)) * 1.4; + else c = vec4(0.0, 0.0, 0.0, 1.0); + } + + return c; +} + +void main() +{ + vec3 tc = PostFX(texture0, fragTexCoord).rgb; + + gl_FragColor = vec4(tc, 1.0); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/distortion.fs b/deps/raylib/examples/shaders/resources/shaders/glsl120/distortion.fs new file mode 100644 index 0000000..cf73981 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/distortion.fs @@ -0,0 +1,52 @@ +#version 120 + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; + +// Input uniform values +uniform sampler2D texture0; + +// NOTE: Default parameters for Oculus Rift DK2 device +const vec2 LeftLensCenter = vec2(0.2863248, 0.5); +const vec2 RightLensCenter = vec2(0.7136753, 0.5); +const vec2 LeftScreenCenter = vec2(0.25, 0.5); +const vec2 RightScreenCenter = vec2(0.75, 0.5); +const vec2 Scale = vec2(0.25, 0.45); +const vec2 ScaleIn = vec2(4.0, 2.5); +const vec4 HmdWarpParam = vec4(1.0, 0.22, 0.24, 0.0); +const vec4 ChromaAbParam = vec4(0.996, -0.004, 1.014, 0.0); + +void main() +{ + // The following two variables need to be set per eye + vec2 LensCenter = fragTexCoord.x < 0.5 ? LeftLensCenter : RightLensCenter; + vec2 ScreenCenter = fragTexCoord.x < 0.5 ? LeftScreenCenter : RightScreenCenter; + + // Scales input texture coordinates for distortion: vec2 HmdWarp(vec2 fragTexCoord, vec2 LensCenter) + vec2 theta = (fragTexCoord - LensCenter)*ScaleIn; // Scales to [-1, 1] + float rSq = theta.x*theta.x + theta.y*theta.y; + vec2 theta1 = theta*(HmdWarpParam.x + HmdWarpParam.y*rSq + HmdWarpParam.z*rSq*rSq + HmdWarpParam.w*rSq*rSq*rSq); + //vec2 tc = LensCenter + Scale*theta1; + + // Detect whether blue texture coordinates are out of range since these will scaled out the furthest + vec2 thetaBlue = theta1*(ChromaAbParam.z + ChromaAbParam.w*rSq); + vec2 tcBlue = LensCenter + Scale*thetaBlue; + + if (any(bvec2(clamp(tcBlue, ScreenCenter - vec2(0.25, 0.5), ScreenCenter + vec2(0.25, 0.5)) - tcBlue))) gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0); + else + { + // Do blue texture lookup + float blue = texture2D(texture0, tcBlue).b; + + // Do green lookup (no scaling) + vec2 tcGreen = LensCenter + Scale*theta1; + float green = texture2D(texture0, tcGreen).g; + + // Do red scale and lookup + vec2 thetaRed = theta1*(ChromaAbParam.x + ChromaAbParam.y*rSq); + vec2 tcRed = LensCenter + Scale*thetaRed; + float red = texture2D(texture0, tcRed).r; + + gl_FragColor = vec4(red, green, blue, 1.0); + } +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/dream_vision.fs b/deps/raylib/examples/shaders/resources/shaders/glsl120/dream_vision.fs new file mode 100644 index 0000000..cb97b2b --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/dream_vision.fs @@ -0,0 +1,35 @@ +#version 120 + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +void main() +{ + vec4 color = texture2D(texture0, fragTexCoord); + + color += texture2D(texture0, fragTexCoord + 0.001); + color += texture2D(texture0, fragTexCoord + 0.003); + color += texture2D(texture0, fragTexCoord + 0.005); + color += texture2D(texture0, fragTexCoord + 0.007); + color += texture2D(texture0, fragTexCoord + 0.009); + color += texture2D(texture0, fragTexCoord + 0.011); + + color += texture2D(texture0, fragTexCoord - 0.001); + color += texture2D(texture0, fragTexCoord - 0.003); + color += texture2D(texture0, fragTexCoord - 0.005); + color += texture2D(texture0, fragTexCoord - 0.007); + color += texture2D(texture0, fragTexCoord - 0.009); + color += texture2D(texture0, fragTexCoord - 0.011); + + color.rgb = vec3((color.r + color.g + color.b)/3.0); + color = color/9.5; + + gl_FragColor = color; +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/fisheye.fs b/deps/raylib/examples/shaders/resources/shaders/glsl120/fisheye.fs new file mode 100644 index 0000000..5cc57f0 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/fisheye.fs @@ -0,0 +1,41 @@ +#version 120 + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +const float PI = 3.1415926535; + +void main() +{ + float aperture = 178.0; + float apertureHalf = 0.5 * aperture * (PI / 180.0); + float maxFactor = sin(apertureHalf); + + vec2 uv = vec2(0.0); + vec2 xy = 2.0 * fragTexCoord.xy - 1.0; + float d = length(xy); + + if (d < (2.0 - maxFactor)) + { + d = length(xy * maxFactor); + float z = sqrt(1.0 - d * d); + float r = atan(d, z) / PI; + float phi = atan(xy.y, xy.x); + + uv.x = r * cos(phi) + 0.5; + uv.y = r * sin(phi) + 0.5; + } + else + { + uv = fragTexCoord.xy; + } + + gl_FragColor = texture2D(texture0, uv); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/fog.fs b/deps/raylib/examples/shaders/resources/shaders/glsl120/fog.fs new file mode 100644 index 0000000..63af6c4 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/fog.fs @@ -0,0 +1,92 @@ +#version 120 + +// Input vertex attributes (from vertex shader) +varying vec3 fragPosition; +varying vec2 fragTexCoord; +varying vec4 fragColor; +varying vec3 fragNormal; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +#define MAX_LIGHTS 4 +#define LIGHT_DIRECTIONAL 0 +#define LIGHT_POINT 1 + +struct MaterialProperty { + vec3 color; + int useSampler; + sampler2D sampler; +}; + +struct Light { + int enabled; + int type; + vec3 position; + vec3 target; + vec4 color; +}; + +// Input lighting values +uniform Light lights[MAX_LIGHTS]; +uniform vec4 ambient; +uniform vec3 viewPos; +uniform float fogDensity; + +void main() +{ + // Texel color fetching from texture sampler + vec4 texelColor = texture2D(texture0, fragTexCoord); + vec3 lightDot = vec3(0.0); + vec3 normal = normalize(fragNormal); + vec3 viewD = normalize(viewPos - fragPosition); + vec3 specular = vec3(0.0); + + // NOTE: Implement here your fragment shader code + + for (int i = 0; i < MAX_LIGHTS; i++) + { + if (lights[i].enabled == 1) + { + vec3 light = vec3(0.0); + + if (lights[i].type == LIGHT_DIRECTIONAL) light = -normalize(lights[i].target - lights[i].position); + if (lights[i].type == LIGHT_POINT) light = normalize(lights[i].position - fragPosition); + + float NdotL = max(dot(normal, light), 0.0); + lightDot += lights[i].color.rgb*NdotL; + + float specCo = 0.0; + if (NdotL > 0.0) specCo = pow(max(0.0, dot(viewD, reflect(-(light), normal))), 16.0); // Shine: 16.0 + specular += specCo; + } + } + + vec4 finalColor = (texelColor*((colDiffuse + vec4(specular,1))*vec4(lightDot, 1.0))); + finalColor += texelColor*(ambient/10.0); + + // Gamma correction + finalColor = pow(finalColor, vec4(1.0/2.2)); + + // Fog calculation + float dist = length(viewPos - fragPosition); + + // these could be parameters... + const vec4 fogColor = vec4(0.5, 0.5, 0.5, 1.0); + //const float fogDensity = 0.16; + + // Exponential fog + float fogFactor = 1.0/exp((dist*fogDensity)*(dist*fogDensity)); + + // Linear fog (less nice) + //const float fogStart = 2.0; + //const float fogEnd = 10.0; + //float fogFactor = (fogEnd - dist)/(fogEnd - fogStart); + + fogFactor = clamp(fogFactor, 0.0, 1.0); + + gl_FragColor = mix(fogColor, finalColor, fogFactor); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/grayscale.fs b/deps/raylib/examples/shaders/resources/shaders/glsl120/grayscale.fs new file mode 100644 index 0000000..de48f6b --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/grayscale.fs @@ -0,0 +1,23 @@ +#version 120 + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +void main() +{ + // Texel color fetching from texture sampler + vec4 texelColor = texture2D(texture0, fragTexCoord)*colDiffuse*fragColor; + + // Convert texel color to grayscale using NTSC conversion weights + float gray = dot(texelColor.rgb, vec3(0.299, 0.587, 0.114)); + + // Calculate final fragment color + gl_FragColor = vec4(gray, gray, gray, texelColor.a); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/lighting.fs b/deps/raylib/examples/shaders/resources/shaders/glsl120/lighting.fs new file mode 100644 index 0000000..600c0f8 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/lighting.fs @@ -0,0 +1,75 @@ +#version 120 + +// Input vertex attributes (from vertex shader) +varying vec3 fragPosition; +varying vec2 fragTexCoord; +varying vec4 fragColor; +varying vec3 fragNormal; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +#define MAX_LIGHTS 4 +#define LIGHT_DIRECTIONAL 0 +#define LIGHT_POINT 1 + +struct Light { + int enabled; + int type; + vec3 position; + vec3 target; + vec4 color; +}; + +// Input lighting values +uniform Light lights[MAX_LIGHTS]; +uniform vec4 ambient; +uniform vec3 viewPos; + +void main() +{ + // Texel color fetching from texture sampler + vec4 texelColor = texture2D(texture0, fragTexCoord); + vec3 lightDot = vec3(0.0); + vec3 normal = normalize(fragNormal); + vec3 viewD = normalize(viewPos - fragPosition); + vec3 specular = vec3(0.0); + + vec4 tint = colDiffuse * fragColor; + + // NOTE: Implement here your fragment shader code + + for (int i = 0; i < MAX_LIGHTS; i++) + { + if (lights[i].enabled == 1) + { + vec3 light = vec3(0.0); + + if (lights[i].type == LIGHT_DIRECTIONAL) + { + light = -normalize(lights[i].target - lights[i].position); + } + + if (lights[i].type == LIGHT_POINT) + { + light = normalize(lights[i].position - fragPosition); + } + + float NdotL = max(dot(normal, light), 0.0); + lightDot += lights[i].color.rgb*NdotL; + + float specCo = 0.0; + if (NdotL > 0.0) specCo = pow(max(0.0, dot(viewD, reflect(-(light), normal))), 16.0); // 16 refers to shine + specular += specCo; + } + } + + vec4 finalColor = (texelColor*((tint + vec4(specular, 1.0))*vec4(lightDot, 1.0))); + finalColor += texelColor*(ambient/10.0); + + // Gamma correction + gl_FragColor = pow(finalColor, vec4(1.0/2.2)); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/lighting.vs b/deps/raylib/examples/shaders/resources/shaders/glsl120/lighting.vs new file mode 100644 index 0000000..b114093 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/lighting.vs @@ -0,0 +1,59 @@ +#version 120 + +// Input vertex attributes +attribute vec3 vertexPosition; +attribute vec2 vertexTexCoord; +attribute vec3 vertexNormal; +attribute vec4 vertexColor; + +// Input uniform values +uniform mat4 mvp; +uniform mat4 matModel; + +// Output vertex attributes (to fragment shader) +varying vec3 fragPosition; +varying vec2 fragTexCoord; +varying vec4 fragColor; +varying vec3 fragNormal; + +// NOTE: Add here your custom variables + +// https://github.com/glslify/glsl-inverse +mat3 inverse(mat3 m) +{ + float a00 = m[0][0], a01 = m[0][1], a02 = m[0][2]; + float a10 = m[1][0], a11 = m[1][1], a12 = m[1][2]; + float a20 = m[2][0], a21 = m[2][1], a22 = m[2][2]; + + float b01 = a22*a11 - a12*a21; + float b11 = -a22*a10 + a12*a20; + float b21 = a21*a10 - a11*a20; + + float det = a00*b01 + a01*b11 + a02*b21; + + return mat3(b01, (-a22*a01 + a02*a21), (a12*a01 - a02*a11), + b11, (a22*a00 - a02*a20), (-a12*a00 + a02*a10), + b21, (-a21*a00 + a01*a20), (a11*a00 - a01*a10))/det; +} + +// https://github.com/glslify/glsl-transpose +mat3 transpose(mat3 m) +{ + return mat3(m[0][0], m[1][0], m[2][0], + m[0][1], m[1][1], m[2][1], + m[0][2], m[1][2], m[2][2]); +} + +void main() +{ + // Send vertex attributes to fragment shader + fragPosition = vec3(matModel*vec4(vertexPosition, 1.0)); + fragTexCoord = vertexTexCoord; + fragColor = vertexColor; + + mat3 normalMatrix = transpose(inverse(mat3(matModel))); + fragNormal = normalize(normalMatrix*vertexNormal); + + // Calculate final vertex position + gl_Position = mvp*vec4(vertexPosition, 1.0); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/lightmap.fs b/deps/raylib/examples/shaders/resources/shaders/glsl120/lightmap.fs new file mode 100644 index 0000000..93a0609 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/lightmap.fs @@ -0,0 +1,20 @@ +#version 120 + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec2 fragTexCoord2; +varying vec3 fragPosition; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform sampler2D texture1; + +void main() +{ + // Texel color fetching from texture sampler + vec4 texelColor = texture2D(texture0, fragTexCoord); + vec4 texelColor2 = texture2D(texture1, fragTexCoord2); + + gl_FragColor = texelColor * texelColor2; +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/lightmap.vs b/deps/raylib/examples/shaders/resources/shaders/glsl120/lightmap.vs new file mode 100644 index 0000000..9847b25 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/lightmap.vs @@ -0,0 +1,31 @@ +#version 120 + +// Input vertex attributes +attribute vec3 vertexPosition; +attribute vec2 vertexTexCoord; +attribute vec2 vertexTexCoord2; +attribute vec4 vertexColor; + +// Input uniform values +uniform mat4 mvp; +uniform mat4 matModel; + +// Output vertex attributes (to fragment shader) +varying vec3 fragPosition; +varying vec2 fragTexCoord; +varying vec2 fragTexCoord2; +varying vec4 fragColor; + +// NOTE: Add here your custom variables + +void main() +{ + // Send vertex attributes to fragment shader + fragPosition = vec3(matModel*vec4(vertexPosition, 1.0)); + fragTexCoord = vertexTexCoord; + fragTexCoord2 = vertexTexCoord2; + fragColor = vertexColor; + + // Calculate final vertex position + gl_Position = mvp*vec4(vertexPosition, 1.0); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/palette_switch.fs b/deps/raylib/examples/shaders/resources/shaders/glsl120/palette_switch.fs new file mode 100644 index 0000000..ab3f79c --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/palette_switch.fs @@ -0,0 +1,27 @@ +#version 120 + +const int colors = 8; + +// Input fragment attributes (from fragment shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform ivec3 palette[colors]; + +void main() +{ + // Texel color fetching from texture sampler + vec4 texelColor = texture(texture0, fragTexCoord) * fragColor; + + // Convert the (normalized) texel color RED component (GB would work, too) + // to the palette index by scaling up from [0, 1] to [0, 255]. + int index = int(texelColor.r * 255.0); + ivec3 color = palette[index]; + + // Calculate final fragment color. Note that the palette color components + // are defined in the range [0, 255] and need to be normalized to [0, 1] + // for OpenGL to work. + gl_FragColor = vec4(color / 255.0, texelColor.a); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/pbr.fs b/deps/raylib/examples/shaders/resources/shaders/glsl120/pbr.fs new file mode 100644 index 0000000..1c5eee0 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/pbr.fs @@ -0,0 +1,154 @@ +#version 120 + +#define MAX_LIGHTS 4 +#define LIGHT_DIRECTIONAL 0 +#define LIGHT_POINT 1 +#define PI 3.14159265358979323846 + +struct Light { + int enabled; + int type; + vec3 position; + vec3 target; + vec4 color; + float intensity; +}; + +// Input vertex attributes (from vertex shader) +varying vec3 fragPosition; +varying vec2 fragTexCoord; +varying vec4 fragColor; +varying vec3 fragNormal; +varying vec4 shadowPos; +varying mat3 TBN; + + +// Input uniform values +uniform int numOfLights; +uniform sampler2D albedoMap; +uniform sampler2D mraMap; +uniform sampler2D normalMap; +uniform sampler2D emissiveMap; // r: Hight g:emissive + +uniform vec2 tiling; +uniform vec2 offset; + +uniform int useTexAlbedo; +uniform int useTexNormal; +uniform int useTexMRA; +uniform int useTexEmissive; + +uniform vec4 albedoColor; +uniform vec4 emissiveColor; +uniform float normalValue; +uniform float metallicValue; +uniform float roughnessValue; +uniform float aoValue; +uniform float emissivePower; + +// Input lighting values +uniform Light lights[MAX_LIGHTS]; +uniform vec3 viewPos; + +uniform vec3 ambientColor; +uniform float ambient; + +// refl in range 0 to 1 +// returns base reflectivity to 1 +// incrase reflectivity when surface view at larger angle +vec3 schlickFresnel(float hDotV,vec3 refl) +{ + return refl + (1.0 - refl) * pow(1.0 - hDotV,5.0); +} + +float ggxDistribution(float nDotH,float roughness) +{ + float a = roughness * roughness * roughness * roughness; + float d = nDotH * nDotH * (a - 1.0) + 1.0; + d = PI * d * d; + return a / max(d,0.0000001); +} + +float geomSmith(float nDotV,float nDotL,float roughness) +{ + float r = roughness + 1.0; + float k = r * r / 8.0; + float ik = 1.0 - k; + float ggx1 = nDotV / (nDotV * ik + k); + float ggx2 = nDotL / (nDotL * ik + k); + return ggx1 * ggx2; +} + +vec3 pbr(){ + vec3 albedo = texture2D(albedoMap,vec2(fragTexCoord.x*tiling.x+offset.x,fragTexCoord.y*tiling.y+offset.y)).rgb; + albedo = vec3(albedoColor.x*albedo.x,albedoColor.y*albedo.y,albedoColor.z*albedo.z); + float metallic = clamp(metallicValue,0.0,1.0); + float roughness = clamp(roughnessValue,0.0,1.0); + float ao = clamp(aoValue,0.0,1.0); + if(useTexMRA == 1) { + vec4 mra = texture2D(mraMap, vec2(fragTexCoord.x * tiling.x + offset.x, fragTexCoord.y * tiling.y + offset.y)); + metallic = clamp(mra.r+metallicValue,0.04,1.0); + roughness = clamp(mra.g+roughnessValue,0.04,1.0); + ao = (mra.b+aoValue)*0.5; + } + + + + vec3 N = normalize(fragNormal); + if(useTexNormal == 1) { + N = texture2D(normalMap, vec2(fragTexCoord.x * tiling.x + offset.y, fragTexCoord.y * tiling.y + offset.y)).rgb; + N = normalize(N * 2.0 - 1.0); + N = normalize(N * TBN); + } + + vec3 V = normalize(viewPos - fragPosition); + + vec3 e = vec3(0); + e = (texture2D(emissiveMap, vec2(fragTexCoord.x*tiling.x+offset.x, fragTexCoord.y*tiling.y+offset.y)).rgb).g * emissiveColor.rgb*emissivePower * float(useTexEmissive); + + //return N;//vec3(metallic,metallic,metallic); + //if dia-electric use base reflectivity of 0.04 otherwise ut is a metal use albedo as base reflectivity + vec3 baseRefl = mix(vec3(0.04),albedo.rgb,metallic); + vec3 Lo = vec3(0.0); // acumulate lighting lum + + for(int i=0;i<numOfLights;++i){ + + vec3 L = normalize(lights[i].position - fragPosition); // calc light vector + vec3 H = normalize(V + L); // calc halfway bisecting vector + float dist = length(lights[i].position - fragPosition); // calc distance to light + float attenuation = 1.0 / (dist * dist * 0.23); // calc attenuation + vec3 radiance = lights[i].color.rgb * lights[i].intensity * attenuation; // calc input radiance,light energy comming in + + //Cook-Torrance BRDF distribution function + float nDotV = max(dot(N,V),0.0000001); + float nDotL = max(dot(N,L),0.0000001); + float hDotV = max(dot(H,V),0.0); + float nDotH = max(dot(N,H),0.0); + float D = ggxDistribution(nDotH,roughness); // larger the more micro-facets aligned to H + float G = geomSmith(nDotV,nDotL,roughness); // smaller the more micro-facets shadow + vec3 F = schlickFresnel(hDotV, baseRefl); // fresnel proportion of specular reflectance + + vec3 spec = (D * G * F) / (4.0 * nDotV * nDotL); + // difuse and spec light can't be above 1.0 + // kD = 1.0 - kS diffuse component is equal 1.0 - spec comonent + vec3 kD = vec3(1.0) - F; + //mult kD by the inverse of metallnes , only non-metals should have diffuse light + kD *= 1.0 - metallic; + Lo += ((kD * albedo.rgb / PI + spec) * radiance * nDotL)*float(lights[i].enabled); // angle of light has impact on result + } + vec3 ambient_final = (ambientColor + albedo)* ambient * 0.5; + return ambient_final+Lo*ao+e; +} + +void main() +{ + vec3 color = pbr(); + + //HDR tonemapping + color = pow(color,color + vec3(1.0)); + //gamma correction + color = pow(color,vec3(1.0/2.2)); + + gl_FragColor = vec4(color,1.0); + +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/pbr.vs b/deps/raylib/examples/shaders/resources/shaders/glsl120/pbr.vs new file mode 100644 index 0000000..4c00261 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/pbr.vs @@ -0,0 +1,75 @@ +#version 120 + +// Input vertex attributes +attribute vec3 vertexPosition; +attribute vec2 vertexTexCoord; +attribute vec3 vertexNormal; +attribute vec3 vertexTangent; +attribute vec4 vertexColor; + +// Input uniform values +uniform mat4 mvp; +uniform mat4 matModel; +uniform mat4 matNormal; +uniform vec3 lightPos; +uniform vec4 difColor; + +// Output vertex attributes (to fragment shader) +varying vec3 fragPosition; +varying vec2 fragTexCoord; +varying vec4 fragColor; +varying vec3 fragNormal; +varying mat3 TBN; + +const float normalOffset = 0.1; + +// https://github.com/glslify/glsl-inverse +mat3 inverse(mat3 m) +{ + float a00 = m[0][0], a01 = m[0][1], a02 = m[0][2]; + float a10 = m[1][0], a11 = m[1][1], a12 = m[1][2]; + float a20 = m[2][0], a21 = m[2][1], a22 = m[2][2]; + + float b01 = a22*a11 - a12*a21; + float b11 = -a22*a10 + a12*a20; + float b21 = a21*a10 - a11*a20; + + float det = a00*b01 + a01*b11 + a02*b21; + + return mat3(b01, (-a22*a01 + a02*a21), (a12*a01 - a02*a11), + b11, (a22*a00 - a02*a20), (-a12*a00 + a02*a10), + b21, (-a21*a00 + a01*a20), (a11*a00 - a01*a10))/det; +} + +// https://github.com/glslify/glsl-transpose +mat3 transpose(mat3 m) +{ + return mat3(m[0][0], m[1][0], m[2][0], + m[0][1], m[1][1], m[2][1], + m[0][2], m[1][2], m[2][2]); +} + +void main() +{ + + // calc binormal from vertex normal and tangent + vec3 vertexBinormal = cross(vertexNormal, vertexTangent); + // calc fragment normal based on normal transformations + mat3 normalMatrix = transpose(inverse(mat3(matModel))); + // calc fragment position based on model transformations + + fragPosition = vec3(matModel*vec4(vertexPosition, 1.0)); + + fragTexCoord = vertexTexCoord*2.0; + + fragNormal = normalize(normalMatrix*vertexNormal); + vec3 fragTangent = normalize(normalMatrix*vertexTangent); + fragTangent = normalize(fragTangent - dot(fragTangent, fragNormal)*fragNormal); + vec3 fragBinormal = normalize(normalMatrix*vertexBinormal); + fragBinormal = cross(fragNormal, fragTangent); + + TBN = transpose(mat3(fragTangent, fragBinormal, fragNormal)); + + // Calculate final vertex position + gl_Position = mvp * vec4(vertexPosition, 1.0); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/pixelizer.fs b/deps/raylib/examples/shaders/resources/shaders/glsl120/pixelizer.fs new file mode 100644 index 0000000..8f5e4f1 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/pixelizer.fs @@ -0,0 +1,30 @@ +#version 120 + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +// NOTE: Render size values must be passed from code +const float renderWidth = 800.0; +const float renderHeight = 450.0; + +float pixelWidth = 5.0; +float pixelHeight = 5.0; + +void main() +{ + float dx = pixelWidth*(1.0/renderWidth); + float dy = pixelHeight*(1.0/renderHeight); + + vec2 coord = vec2(dx*floor(fragTexCoord.x/dx), dy*floor(fragTexCoord.y/dy)); + + vec3 tc = texture2D(texture0, coord).rgb; + + gl_FragColor = vec4(tc, 1.0); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/posterization.fs b/deps/raylib/examples/shaders/resources/shaders/glsl120/posterization.fs new file mode 100644 index 0000000..445c925 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/posterization.fs @@ -0,0 +1,27 @@ +#version 120 + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +float gamma = 0.6; +float numColors = 8.0; + +void main() +{ + vec3 color = texture2D(texture0, fragTexCoord.xy).rgb; + + color = pow(color, vec3(gamma, gamma, gamma)); + color = color*numColors; + color = floor(color); + color = color/numColors; + color = pow(color, vec3(1.0/gamma)); + + gl_FragColor = vec4(color, 1.0); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/predator.fs b/deps/raylib/examples/shaders/resources/shaders/glsl120/predator.fs new file mode 100644 index 0000000..2198696 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/predator.fs @@ -0,0 +1,29 @@ +#version 120 + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +void main() +{ + vec3 color = texture2D(texture0, fragTexCoord).rgb; + vec3 colors[3]; + colors[0] = vec3(0.0, 0.0, 1.0); + colors[1] = vec3(1.0, 1.0, 0.0); + colors[2] = vec3(1.0, 0.0, 0.0); + + float lum = (color.r + color.g + color.b)/3.0; + + vec3 tc = vec3(0.0, 0.0, 0.0); + + if (lum < 0.5) tc = mix(colors[0], colors[1], lum/0.5); + else tc = mix(colors[1], colors[2], (lum - 0.5)/0.5); + + gl_FragColor = vec4(tc, 1.0); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/raymarching.fs b/deps/raylib/examples/shaders/resources/shaders/glsl120/raymarching.fs new file mode 100644 index 0000000..efe4fa1 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/raymarching.fs @@ -0,0 +1,427 @@ +#version 120 + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +uniform vec3 viewEye; +uniform vec3 viewCenter; +uniform float runTime; +uniform vec2 resolution; + +// The MIT License +// Copyright © 2013 Inigo Quilez +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: + +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. + +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +// A list of useful distance function to simple primitives, and an example on how to +// do some interesting boolean operations, repetition and displacement. +// +// More info here: http://www.iquilezles.org/www/articles/distfunctions/distfunctions.htm + +#define AA 1 // make this 1 if your machine is too slow + +//------------------------------------------------------------------ + +float sdPlane( vec3 p ) +{ + return p.y; +} + +float sdSphere( vec3 p, float s ) +{ + return length(p)-s; +} + +float sdBox( vec3 p, vec3 b ) +{ + vec3 d = abs(p) - b; + return min(max(d.x,max(d.y,d.z)),0.0) + length(max(d,0.0)); +} + +float sdEllipsoid( in vec3 p, in vec3 r ) +{ + return (length( p/r ) - 1.0) * min(min(r.x,r.y),r.z); +} + +float udRoundBox( vec3 p, vec3 b, float r ) +{ + return length(max(abs(p)-b,0.0))-r; +} + +float sdTorus( vec3 p, vec2 t ) +{ + return length( vec2(length(p.xz)-t.x,p.y) )-t.y; +} + +float sdHexPrism( vec3 p, vec2 h ) +{ + vec3 q = abs(p); +#if 0 + return max(q.z-h.y,max((q.x*0.866025+q.y*0.5),q.y)-h.x); +#else + float d1 = q.z-h.y; + float d2 = max((q.x*0.866025+q.y*0.5),q.y)-h.x; + return length(max(vec2(d1,d2),0.0)) + min(max(d1,d2), 0.); +#endif +} + +float sdCapsule( vec3 p, vec3 a, vec3 b, float r ) +{ + vec3 pa = p-a, ba = b-a; + float h = clamp( dot(pa,ba)/dot(ba,ba), 0.0, 1.0 ); + return length( pa - ba*h ) - r; +} + +float sdEquilateralTriangle( in vec2 p ) +{ + const float k = sqrt(3.0); + p.x = abs(p.x) - 1.0; + p.y = p.y + 1.0/k; + if( p.x + k*p.y > 0.0 ) p = vec2( p.x - k*p.y, -k*p.x - p.y )/2.0; + p.x += 2.0 - 2.0*clamp( (p.x+2.0)/2.0, 0.0, 1.0 ); + return -length(p)*sign(p.y); +} + +float sdTriPrism( vec3 p, vec2 h ) +{ + vec3 q = abs(p); + float d1 = q.z-h.y; +#if 1 + // distance bound + float d2 = max(q.x*0.866025+p.y*0.5,-p.y)-h.x*0.5; +#else + // correct distance + h.x *= 0.866025; + float d2 = sdEquilateralTriangle(p.xy/h.x)*h.x; +#endif + return length(max(vec2(d1,d2),0.0)) + min(max(d1,d2), 0.); +} + +float sdCylinder( vec3 p, vec2 h ) +{ + vec2 d = abs(vec2(length(p.xz),p.y)) - h; + return min(max(d.x,d.y),0.0) + length(max(d,0.0)); +} + +float sdCone( in vec3 p, in vec3 c ) +{ + vec2 q = vec2( length(p.xz), p.y ); + float d1 = -q.y-c.z; + float d2 = max( dot(q,c.xy), q.y); + return length(max(vec2(d1,d2),0.0)) + min(max(d1,d2), 0.); +} + +float sdConeSection( in vec3 p, in float h, in float r1, in float r2 ) +{ + float d1 = -p.y - h; + float q = p.y - h; + float si = 0.5*(r1-r2)/h; + float d2 = max( sqrt( dot(p.xz,p.xz)*(1.0-si*si)) + q*si - r2, q ); + return length(max(vec2(d1,d2),0.0)) + min(max(d1,d2), 0.); +} + +float sdPryamid4(vec3 p, vec3 h ) // h = { cos a, sin a, height } +{ + // Tetrahedron = Octahedron - Cube + float box = sdBox( p - vec3(0,-2.0*h.z,0), vec3(2.0*h.z) ); + + float d = 0.0; + d = max( d, abs( dot(p, vec3( -h.x, h.y, 0 )) )); + d = max( d, abs( dot(p, vec3( h.x, h.y, 0 )) )); + d = max( d, abs( dot(p, vec3( 0, h.y, h.x )) )); + d = max( d, abs( dot(p, vec3( 0, h.y,-h.x )) )); + float octa = d - h.z; + return max(-box,octa); // Subtraction + } + +float length2( vec2 p ) +{ + return sqrt( p.x*p.x + p.y*p.y ); +} + +float length6( vec2 p ) +{ + p = p*p*p; p = p*p; + return pow( p.x + p.y, 1.0/6.0 ); +} + +float length8( vec2 p ) +{ + p = p*p; p = p*p; p = p*p; + return pow( p.x + p.y, 1.0/8.0 ); +} + +float sdTorus82( vec3 p, vec2 t ) +{ + vec2 q = vec2(length2(p.xz)-t.x,p.y); + return length8(q)-t.y; +} + +float sdTorus88( vec3 p, vec2 t ) +{ + vec2 q = vec2(length8(p.xz)-t.x,p.y); + return length8(q)-t.y; +} + +float sdCylinder6( vec3 p, vec2 h ) +{ + return max( length6(p.xz)-h.x, abs(p.y)-h.y ); +} + +//------------------------------------------------------------------ + +float opS( float d1, float d2 ) +{ + return max(-d2,d1); +} + +vec2 opU( vec2 d1, vec2 d2 ) +{ + return (d1.x<d2.x) ? d1 : d2; +} + +vec3 opRep( vec3 p, vec3 c ) +{ + return mod(p,c)-0.5*c; +} + +vec3 opTwist( vec3 p ) +{ + float c = cos(10.0*p.y+10.0); + float s = sin(10.0*p.y+10.0); + mat2 m = mat2(c,-s,s,c); + return vec3(m*p.xz,p.y); +} + +//------------------------------------------------------------------ + +vec2 map( in vec3 pos ) +{ + vec2 res = opU( vec2( sdPlane( pos), 1.0 ), + vec2( sdSphere( pos-vec3( 0.0,0.25, 0.0), 0.25 ), 46.9 ) ); + res = opU( res, vec2( sdBox( pos-vec3( 1.0,0.25, 0.0), vec3(0.25) ), 3.0 ) ); + res = opU( res, vec2( udRoundBox( pos-vec3( 1.0,0.25, 1.0), vec3(0.15), 0.1 ), 41.0 ) ); + res = opU( res, vec2( sdTorus( pos-vec3( 0.0,0.25, 1.0), vec2(0.20,0.05) ), 25.0 ) ); + res = opU( res, vec2( sdCapsule( pos,vec3(-1.3,0.10,-0.1), vec3(-0.8,0.50,0.2), 0.1 ), 31.9 ) ); + res = opU( res, vec2( sdTriPrism( pos-vec3(-1.0,0.25,-1.0), vec2(0.25,0.05) ),43.5 ) ); + res = opU( res, vec2( sdCylinder( pos-vec3( 1.0,0.30,-1.0), vec2(0.1,0.2) ), 8.0 ) ); + res = opU( res, vec2( sdCone( pos-vec3( 0.0,0.50,-1.0), vec3(0.8,0.6,0.3) ), 55.0 ) ); + res = opU( res, vec2( sdTorus82( pos-vec3( 0.0,0.25, 2.0), vec2(0.20,0.05) ),50.0 ) ); + res = opU( res, vec2( sdTorus88( pos-vec3(-1.0,0.25, 2.0), vec2(0.20,0.05) ),43.0 ) ); + res = opU( res, vec2( sdCylinder6( pos-vec3( 1.0,0.30, 2.0), vec2(0.1,0.2) ), 12.0 ) ); + res = opU( res, vec2( sdHexPrism( pos-vec3(-1.0,0.20, 1.0), vec2(0.25,0.05) ),17.0 ) ); + res = opU( res, vec2( sdPryamid4( pos-vec3(-1.0,0.15,-2.0), vec3(0.8,0.6,0.25) ),37.0 ) ); + res = opU( res, vec2( opS( udRoundBox( pos-vec3(-2.0,0.2, 1.0), vec3(0.15),0.05), + sdSphere( pos-vec3(-2.0,0.2, 1.0), 0.25)), 13.0 ) ); + res = opU( res, vec2( opS( sdTorus82( pos-vec3(-2.0,0.2, 0.0), vec2(0.20,0.1)), + sdCylinder( opRep( vec3(atan(pos.x+2.0,pos.z)/6.2831, pos.y, 0.02+0.5*length(pos-vec3(-2.0,0.2, 0.0))), vec3(0.05,1.0,0.05)), vec2(0.02,0.6))), 51.0 ) ); + res = opU( res, vec2( 0.5*sdSphere( pos-vec3(-2.0,0.25,-1.0), 0.2 ) + 0.03*sin(50.0*pos.x)*sin(50.0*pos.y)*sin(50.0*pos.z), 65.0 ) ); + res = opU( res, vec2( 0.5*sdTorus( opTwist(pos-vec3(-2.0,0.25, 2.0)),vec2(0.20,0.05)), 46.7 ) ); + res = opU( res, vec2( sdConeSection( pos-vec3( 0.0,0.35,-2.0), 0.15, 0.2, 0.1 ), 13.67 ) ); + res = opU( res, vec2( sdEllipsoid( pos-vec3( 1.0,0.35,-2.0), vec3(0.15, 0.2, 0.05) ), 43.17 ) ); + + return res; +} + +vec2 castRay( in vec3 ro, in vec3 rd ) +{ + float tmin = 0.2; + float tmax = 30.0; + +#if 1 + // bounding volume + float tp1 = (0.0-ro.y)/rd.y; if( tp1>0.0 ) tmax = min( tmax, tp1 ); + float tp2 = (1.6-ro.y)/rd.y; if( tp2>0.0 ) { if( ro.y>1.6 ) tmin = max( tmin, tp2 ); + else tmax = min( tmax, tp2 ); } +#endif + + float t = tmin; + float m = -1.0; + for( int i=0; i<64; i++ ) + { + float precis = 0.0005*t; + vec2 res = map( ro+rd*t ); + if( res.x<precis || t>tmax ) break; + t += res.x; + m = res.y; + } + + if( t>tmax ) m=-1.0; + return vec2( t, m ); +} + + +float calcSoftshadow( in vec3 ro, in vec3 rd, in float mint, in float tmax ) +{ + float res = 1.0; + float t = mint; + for( int i=0; i<16; i++ ) + { + float h = map( ro + rd*t ).x; + res = min( res, 8.0*h/t ); + t += clamp( h, 0.02, 0.10 ); + if( h<0.001 || t>tmax ) break; + } + return clamp( res, 0.0, 1.0 ); +} + +vec3 calcNormal( in vec3 pos ) +{ + vec2 e = vec2(1.0,-1.0)*0.5773*0.0005; + return normalize( e.xyy*map( pos + e.xyy ).x + + e.yyx*map( pos + e.yyx ).x + + e.yxy*map( pos + e.yxy ).x + + e.xxx*map( pos + e.xxx ).x ); + /* + vec3 eps = vec3( 0.0005, 0.0, 0.0 ); + vec3 nor = vec3( + map(pos+eps.xyy).x - map(pos-eps.xyy).x, + map(pos+eps.yxy).x - map(pos-eps.yxy).x, + map(pos+eps.yyx).x - map(pos-eps.yyx).x ); + return normalize(nor); + */ +} + +float calcAO( in vec3 pos, in vec3 nor ) +{ + float occ = 0.0; + float sca = 1.0; + for( int i=0; i<5; i++ ) + { + float hr = 0.01 + 0.12*float(i)/4.0; + vec3 aopos = nor * hr + pos; + float dd = map( aopos ).x; + occ += -(dd-hr)*sca; + sca *= 0.95; + } + return clamp( 1.0 - 3.0*occ, 0.0, 1.0 ); +} + +// http://iquilezles.org/www/articles/checkerfiltering/checkerfiltering.htm +float checkersGradBox( in vec2 p ) +{ + // filter kernel + vec2 w = fwidth(p) + 0.001; + // analytical integral (box filter) + vec2 i = 2.0*(abs(fract((p-0.5*w)*0.5)-0.5)-abs(fract((p+0.5*w)*0.5)-0.5))/w; + // xor pattern + return 0.5 - 0.5*i.x*i.y; +} + +vec3 render( in vec3 ro, in vec3 rd ) +{ + vec3 col = vec3(0.7, 0.9, 1.0) +rd.y*0.8; + vec2 res = castRay(ro,rd); + float t = res.x; + float m = res.y; + if( m>-0.5 ) + { + vec3 pos = ro + t*rd; + vec3 nor = calcNormal( pos ); + vec3 ref = reflect( rd, nor ); + + // material + col = 0.45 + 0.35*sin( vec3(0.05,0.08,0.10)*(m-1.0) ); + if( m<1.5 ) + { + + float f = checkersGradBox( 5.0*pos.xz ); + col = 0.3 + f*vec3(0.1); + } + + // lighting + float occ = calcAO( pos, nor ); + vec3 lig = normalize( vec3(cos(-0.4 * runTime), sin(0.7 * runTime), -0.6) ); + vec3 hal = normalize( lig-rd ); + float amb = clamp( 0.5+0.5*nor.y, 0.0, 1.0 ); + float dif = clamp( dot( nor, lig ), 0.0, 1.0 ); + float bac = clamp( dot( nor, normalize(vec3(-lig.x,0.0,-lig.z))), 0.0, 1.0 )*clamp( 1.0-pos.y,0.0,1.0); + float dom = smoothstep( -0.1, 0.1, ref.y ); + float fre = pow( clamp(1.0+dot(nor,rd),0.0,1.0), 2.0 ); + + dif *= calcSoftshadow( pos, lig, 0.02, 2.5 ); + dom *= calcSoftshadow( pos, ref, 0.02, 2.5 ); + + float spe = pow( clamp( dot( nor, hal ), 0.0, 1.0 ),16.0)* + dif * + (0.04 + 0.96*pow( clamp(1.0+dot(hal,rd),0.0,1.0), 5.0 )); + + vec3 lin = vec3(0.0); + lin += 1.30*dif*vec3(1.00,0.80,0.55); + lin += 0.40*amb*vec3(0.40,0.60,1.00)*occ; + lin += 0.50*dom*vec3(0.40,0.60,1.00)*occ; + lin += 0.50*bac*vec3(0.25,0.25,0.25)*occ; + lin += 0.25*fre*vec3(1.00,1.00,1.00)*occ; + col = col*lin; + col += 10.00*spe*vec3(1.00,0.90,0.70); + + col = mix( col, vec3(0.8,0.9,1.0), 1.0-exp( -0.0002*t*t*t ) ); + } + + return vec3( clamp(col,0.0,1.0) ); +} + +mat3 setCamera( in vec3 ro, in vec3 ta, float cr ) +{ + vec3 cw = normalize(ta-ro); + vec3 cp = vec3(sin(cr), cos(cr),0.0); + vec3 cu = normalize( cross(cw,cp) ); + vec3 cv = normalize( cross(cu,cw) ); + return mat3( cu, cv, cw ); +} + +void main() +{ + vec3 tot = vec3(0.0); +#if AA>1 + for( int m=0; m<AA; m++ ) + for( int n=0; n<AA; n++ ) + { + // pixel coordinates + vec2 o = vec2(float(m),float(n)) / float(AA) - 0.5; + vec2 p = (-resolution.xy + 2.0*(gl_FragCoord.xy+o))/resolution.y; +#else + vec2 p = (-resolution.xy + 2.0*gl_FragCoord.xy)/resolution.y; +#endif + + // RAY: Camera is provided from raylib + //vec3 ro = vec3( -0.5+3.5*cos(0.1*time + 6.0*mo.x), 1.0 + 2.0*mo.y, 0.5 + 4.0*sin(0.1*time + 6.0*mo.x) ); + + vec3 ro = viewEye; + vec3 ta = viewCenter; + + // camera-to-world transformation + mat3 ca = setCamera( ro, ta, 0.0 ); + // ray direction + vec3 rd = ca * normalize( vec3(p.xy,2.0) ); + + // render + vec3 col = render( ro, rd ); + + // gamma + col = pow( col, vec3(0.4545) ); + + tot += col; +#if AA>1 + } + tot /= float(AA*AA); +#endif + + gl_FragColor = vec4( tot, 1.0 ); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/scanlines.fs b/deps/raylib/examples/shaders/resources/shaders/glsl120/scanlines.fs new file mode 100644 index 0000000..520daa5 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/scanlines.fs @@ -0,0 +1,42 @@ +#version 120 + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +float offset = 0.0; +float frequency = 450.0/3.0; + +uniform float time; + +void main() +{ +/* + // Scanlines method 1 + float tval = 0; //time + vec2 uv = 0.5 + (fragTexCoord - 0.5)*(0.9 + 0.01*sin(0.5*tval)); + + vec4 color = texture2D(texture0, fragTexCoord); + + color = clamp(color*0.5 + 0.5*color*color*1.2, 0.0, 1.0); + color *= 0.5 + 0.5*16.0*uv.x*uv.y*(1.0 - uv.x)*(1.0 - uv.y); + color *= vec4(0.8, 1.0, 0.7, 1); + color *= 0.9 + 0.1*sin(10.0*tval + uv.y*1000.0); + color *= 0.97 + 0.03*sin(110.0*tval); + + fragColor = color; +*/ + // Scanlines method 2 + float globalPos = (fragTexCoord.y + offset) * frequency; + float wavePos = cos((fract(globalPos) - 0.5)*3.14); + + vec4 color = texture2D(texture0, fragTexCoord); + + gl_FragColor = mix(vec4(0.0, 0.3, 0.0, 0.0), color, wavePos); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/shadowmap.fs b/deps/raylib/examples/shaders/resources/shaders/glsl120/shadowmap.fs new file mode 100644 index 0000000..f43e638 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/shadowmap.fs @@ -0,0 +1,84 @@ +#version 120 + +// This shader is based on the basic lighting shader +// This only supports one light, which is directional, and it (of course) supports shadows + +// Input vertex attributes (from vertex shader) +varying vec3 fragPosition; +varying vec2 fragTexCoord; +//varying in vec4 fragColor; +varying vec3 fragNormal; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// Input lighting values +uniform vec3 lightDir; +uniform vec4 lightColor; +uniform vec4 ambient; +uniform vec3 viewPos; + +// Input shadowmapping values +uniform mat4 lightVP; // Light source view-projection matrix +uniform sampler2D shadowMap; + +uniform int shadowMapResolution; + +void main() +{ + // Texel color fetching from texture sampler + vec4 texelColor = texture2D(texture0, fragTexCoord); + vec3 lightDot = vec3(0.0); + vec3 normal = normalize(fragNormal); + vec3 viewD = normalize(viewPos - fragPosition); + vec3 specular = vec3(0.0); + + vec3 l = -lightDir; + + float NdotL = max(dot(normal, l), 0.0); + lightDot += lightColor.rgb*NdotL; + + float specCo = 0.0; + if (NdotL > 0.0) specCo = pow(max(0.0, dot(viewD, reflect(-(l), normal))), 16.0); // 16 refers to shine + specular += specCo; + + vec4 finalColor = (texelColor*((colDiffuse + vec4(specular, 1.0))*vec4(lightDot, 1.0))); + + // Shadow calculations + vec4 fragPosLightSpace = lightVP * vec4(fragPosition, 1); + fragPosLightSpace.xyz /= fragPosLightSpace.w; // Perform the perspective division + fragPosLightSpace.xyz = (fragPosLightSpace.xyz + 1.0f) / 2.0f; // Transform from [-1, 1] range to [0, 1] range + vec2 sampleCoords = fragPosLightSpace.xy; + float curDepth = fragPosLightSpace.z; + // Slope-scale depth bias: depth biasing reduces "shadow acne" artifacts, where dark stripes appear all over the scene. + // The solution is adding a small bias to the depth + // In this case, the bias is proportional to the slope of the surface, relative to the light + float bias = max(0.0008 * (1.0 - dot(normal, l)), 0.00008); + int shadowCounter = 0; + const int numSamples = 9; + // PCF (percentage-closer filtering) algorithm: + // Instead of testing if just one point is closer to the current point, + // we test the surrounding points as well. + // This blurs shadow edges, hiding aliasing artifacts. + vec2 texelSize = vec2(1.0f / float(shadowMapResolution)); + for (int x = -1; x <= 1; x++) + { + for (int y = -1; y <= 1; y++) + { + float sampleDepth = texture2D(shadowMap, sampleCoords + texelSize * vec2(x, y)).r; + if (curDepth - bias > sampleDepth) + { + shadowCounter++; + } + } + } + finalColor = mix(finalColor, vec4(0, 0, 0, 1), float(shadowCounter) / float(numSamples)); + + // Add ambient lighting whether in shadow or not + finalColor += texelColor*(ambient/10.0)*colDiffuse; + + // Gamma correction + finalColor = pow(finalColor, vec4(1.0/2.2)); + gl_FragColor = finalColor; +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/shadowmap.vs b/deps/raylib/examples/shaders/resources/shaders/glsl120/shadowmap.vs new file mode 100644 index 0000000..bace1d7 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/shadowmap.vs @@ -0,0 +1,32 @@ +#version 120 + +// Input vertex attributes +attribute vec3 vertexPosition; +attribute vec2 vertexTexCoord; +attribute vec3 vertexNormal; +attribute vec4 vertexColor; + +// Input uniform values +uniform mat4 mvp; +uniform mat4 matModel; +uniform mat4 matNormal; + +// Output vertex attributes (to fragment shader) +varying vec3 fragPosition; +varying vec2 fragTexCoord; +varying vec4 fragColor; +varying vec3 fragNormal; + +// NOTE: Add here your custom variables + +void main() +{ + // Send vertex attributes to fragment shader + fragPosition = vec3(matModel*vec4(vertexPosition, 1.0)); + fragTexCoord = vertexTexCoord; + fragColor = vertexColor; + fragNormal = normalize(vec3(matNormal*vec4(vertexNormal, 1.0))); + + // Calculate final vertex position + gl_Position = mvp*vec4(vertexPosition, 1.0); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/sobel.fs b/deps/raylib/examples/shaders/resources/shaders/glsl120/sobel.fs new file mode 100644 index 0000000..8c74a6a --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/sobel.fs @@ -0,0 +1,38 @@ +#version 120 + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables +vec2 resolution = vec2(800.0, 450.0); + +void main() +{ + float x = 1.0/resolution.x; + float y = 1.0/resolution.y; + + vec4 horizEdge = vec4(0.0); + horizEdge -= texture2D(texture0, vec2(fragTexCoord.x - x, fragTexCoord.y - y))*1.0; + horizEdge -= texture2D(texture0, vec2(fragTexCoord.x - x, fragTexCoord.y ))*2.0; + horizEdge -= texture2D(texture0, vec2(fragTexCoord.x - x, fragTexCoord.y + y))*1.0; + horizEdge += texture2D(texture0, vec2(fragTexCoord.x + x, fragTexCoord.y - y))*1.0; + horizEdge += texture2D(texture0, vec2(fragTexCoord.x + x, fragTexCoord.y ))*2.0; + horizEdge += texture2D(texture0, vec2(fragTexCoord.x + x, fragTexCoord.y + y))*1.0; + + vec4 vertEdge = vec4(0.0); + vertEdge -= texture2D(texture0, vec2(fragTexCoord.x - x, fragTexCoord.y - y))*1.0; + vertEdge -= texture2D(texture0, vec2(fragTexCoord.x , fragTexCoord.y - y))*2.0; + vertEdge -= texture2D(texture0, vec2(fragTexCoord.x + x, fragTexCoord.y - y))*1.0; + vertEdge += texture2D(texture0, vec2(fragTexCoord.x - x, fragTexCoord.y + y))*1.0; + vertEdge += texture2D(texture0, vec2(fragTexCoord.x , fragTexCoord.y + y))*2.0; + vertEdge += texture2D(texture0, vec2(fragTexCoord.x + x, fragTexCoord.y + y))*1.0; + + vec3 edge = sqrt((horizEdge.rgb*horizEdge.rgb) + (vertEdge.rgb*vertEdge.rgb)); + + gl_FragColor = vec4(edge, texture2D(texture0, fragTexCoord).a); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl120/swirl.fs b/deps/raylib/examples/shaders/resources/shaders/glsl120/swirl.fs new file mode 100644 index 0000000..7b3dd2f --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl120/swirl.fs @@ -0,0 +1,44 @@ +#version 120 + +// Input vertex attributes (from vertex shader) +varying vec2 fragTexCoord; +varying vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +// NOTE: Render size values should be passed from code +const float renderWidth = 800; +const float renderHeight = 450; + +float radius = 250.0; +float angle = 0.8; + +uniform vec2 center; + +void main() +{ + vec2 texSize = vec2(renderWidth, renderHeight); + vec2 tc = fragTexCoord*texSize; + tc -= center; + + float dist = length(tc); + + if (dist < radius) + { + float percent = (radius - dist)/radius; + float theta = percent*percent*angle*8.0; + float s = sin(theta); + float c = cos(theta); + + tc = vec2(dot(tc, vec2(c, -s)), dot(tc, vec2(s, c))); + } + + tc += center; + vec4 color = texture2D(texture0, tc/texSize)*colDiffuse*fragColor;; + + gl_FragColor = vec4(color.rgb, 1.0);; +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/base.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/base.fs new file mode 100644 index 0000000..813f32b --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/base.fs @@ -0,0 +1,28 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// Output fragment color +out vec4 finalColor; + +// NOTE: Add here your custom variables + +void main() +{ + // Texel color fetching from texture sampler + vec4 texelColor = texture(texture0, fragTexCoord); + + // NOTE: Implement here your fragment shader code + + // final color is the color from the texture + // times the tint color (colDiffuse) + // times the fragment color (interpolated vertex color) + finalColor = texelColor*colDiffuse*fragColor; +} + diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/base.vs b/deps/raylib/examples/shaders/resources/shaders/glsl330/base.vs new file mode 100644 index 0000000..8cc2abb --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/base.vs @@ -0,0 +1,26 @@ +#version 330 + +// Input vertex attributes +in vec3 vertexPosition; +in vec2 vertexTexCoord; +in vec3 vertexNormal; +in vec4 vertexColor; + +// Input uniform values +uniform mat4 mvp; + +// Output vertex attributes (to fragment shader) +out vec2 fragTexCoord; +out vec4 fragColor; + +// NOTE: Add here your custom variables + +void main() +{ + // Send vertex attributes to fragment shader + fragTexCoord = vertexTexCoord; + fragColor = vertexColor; + + // Calculate final vertex position + gl_Position = mvp*vec4(vertexPosition, 1.0); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/bloom.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/bloom.fs new file mode 100644 index 0000000..56eadb5 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/bloom.fs @@ -0,0 +1,40 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// Output fragment color +out vec4 finalColor; + +// NOTE: Add here your custom variables + +const vec2 size = vec2(800, 450); // Framebuffer size +const float samples = 5.0; // Pixels per axis; higher = bigger glow, worse performance +const float quality = 2.5; // Defines size factor: Lower = smaller glow, better quality + +void main() +{ + vec4 sum = vec4(0); + vec2 sizeFactor = vec2(1)/size*quality; + + // Texel color fetching from texture sampler + vec4 source = texture(texture0, fragTexCoord); + + const int range = 2; // should be = (samples - 1)/2; + + for (int x = -range; x <= range; x++) + { + for (int y = -range; y <= range; y++) + { + sum += texture(texture0, fragTexCoord + vec2(x, y)*sizeFactor); + } + } + + // Calculate final fragment color + finalColor = ((sum/(samples*samples)) + source)*colDiffuse; +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/blur.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/blur.fs new file mode 100644 index 0000000..8809f71 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/blur.fs @@ -0,0 +1,35 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// Output fragment color +out vec4 finalColor; + +// NOTE: Add here your custom variables + +// NOTE: Render size values must be passed from code +const float renderWidth = 800; +const float renderHeight = 450; + +float offset[3] = float[](0.0, 1.3846153846, 3.2307692308); +float weight[3] = float[](0.2270270270, 0.3162162162, 0.0702702703); + +void main() +{ + // Texel color fetching from texture sampler + vec3 texelColor = texture(texture0, fragTexCoord).rgb*weight[0]; + + for (int i = 1; i < 3; i++) + { + texelColor += texture(texture0, fragTexCoord + vec2(offset[i])/renderWidth, 0.0).rgb*weight[i]; + texelColor += texture(texture0, fragTexCoord - vec2(offset[i])/renderWidth, 0.0).rgb*weight[i]; + } + + finalColor = vec4(texelColor, 1.0); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/color_mix.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/color_mix.fs new file mode 100644 index 0000000..e794d32 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/color_mix.fs @@ -0,0 +1,27 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec3 vertexPos; +in vec2 fragTexCoord; +in vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform sampler2D texture1; +uniform vec4 colDiffuse; + +uniform float divider = 0.5; + +out vec4 finalColor; + +void main() +{ + // Texel color fetching from texture sampler + vec4 texelColor0 = texture(texture0, fragTexCoord); + vec4 texelColor1 = texture(texture1, fragTexCoord); + + float x = fract(fragTexCoord.s); + float final = smoothstep(divider - 0.1, divider + 0.1, x); + + finalColor = mix(texelColor0, texelColor1, final); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/cross_hatching.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/cross_hatching.fs new file mode 100644 index 0000000..276eabd --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/cross_hatching.fs @@ -0,0 +1,48 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// Output fragment color +out vec4 finalColor; + +// NOTE: Add here your custom variables + +float hatchOffsetY = 5.0; +float lumThreshold01 = 0.9; +float lumThreshold02 = 0.7; +float lumThreshold03 = 0.5; +float lumThreshold04 = 0.3; + +void main() +{ + vec3 tc = vec3(1.0, 1.0, 1.0); + float lum = length(texture(texture0, fragTexCoord).rgb); + + if (lum < lumThreshold01) + { + if (mod(gl_FragCoord.x + gl_FragCoord.y, 10.0) == 0.0) tc = vec3(0.0, 0.0, 0.0); + } + + if (lum < lumThreshold02) + { + if (mod(gl_FragCoord.x - gl_FragCoord.y, 10.0) == 0.0) tc = vec3(0.0, 0.0, 0.0); + } + + if (lum < lumThreshold03) + { + if (mod(gl_FragCoord.x + gl_FragCoord.y - hatchOffsetY, 10.0) == 0.0) tc = vec3(0.0, 0.0, 0.0); + } + + if (lum < lumThreshold04) + { + if (mod(gl_FragCoord.x - gl_FragCoord.y - hatchOffsetY, 10.0) == 0.0) tc = vec3(0.0, 0.0, 0.0); + } + + finalColor = vec4(tc, 1.0); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/cross_stitching.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/cross_stitching.fs new file mode 100644 index 0000000..02be861 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/cross_stitching.fs @@ -0,0 +1,59 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// Output fragment color +out vec4 finalColor; + +// NOTE: Add here your custom variables + +// NOTE: Render size values must be passed from code +const float renderWidth = 800.0; +const float renderHeight = 450.0; + +float stitchingSize = 6.0; + +uniform int invert = 0; + +vec4 PostFX(sampler2D tex, vec2 uv) +{ + vec4 c = vec4(0.0); + float size = stitchingSize; + vec2 cPos = uv * vec2(renderWidth, renderHeight); + vec2 tlPos = floor(cPos / vec2(size, size)); + tlPos *= size; + + int remX = int(mod(cPos.x, size)); + int remY = int(mod(cPos.y, size)); + + if (remX == 0 && remY == 0) tlPos = cPos; + + vec2 blPos = tlPos; + blPos.y += (size - 1.0); + + if ((remX == remY) || (((int(cPos.x) - int(blPos.x)) == (int(blPos.y) - int(cPos.y))))) + { + if (invert == 1) c = vec4(0.2, 0.15, 0.05, 1.0); + else c = texture(tex, tlPos * vec2(1.0/renderWidth, 1.0/renderHeight)) * 1.4; + } + else + { + if (invert == 1) c = texture(tex, tlPos * vec2(1.0/renderWidth, 1.0/renderHeight)) * 1.4; + else c = vec4(0.0, 0.0, 0.0, 1.0); + } + + return c; +} + +void main() +{ + vec3 tc = PostFX(texture0, fragTexCoord).rgb; + + finalColor = vec4(tc, 1.0); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/cubes_panning.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/cubes_panning.fs new file mode 100644 index 0000000..1d75e4e --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/cubes_panning.fs @@ -0,0 +1,61 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec4 fragColor; + +// Output fragment color +out vec4 finalColor; + +// Custom variables +#define PI 3.14159265358979323846 +uniform float uTime = 0.0; + +float divisions = 5.0; +float angle = 0.0; + +vec2 VectorRotateTime(vec2 v, float speed) +{ + float time = uTime*speed; + float localTime = fract(time); // The time domain this works on is 1 sec. + + if ((localTime >= 0.0) && (localTime < 0.25)) angle = 0.0; + else if ((localTime >= 0.25) && (localTime < 0.50)) angle = PI/4*sin(2*PI*localTime - PI/2); + else if ((localTime >= 0.50) && (localTime < 0.75)) angle = PI*0.25; + else if ((localTime >= 0.75) && (localTime < 1.00)) angle = PI/4*sin(2*PI*localTime); + + // Rotate vector by angle + v -= 0.5; + v = mat2(cos(angle), -sin(angle), sin(angle), cos(angle))*v; + v += 0.5; + + return v; +} + +float Rectangle(in vec2 st, in float size, in float fill) +{ + float roundSize = 0.5 - size/2.0; + float left = step(roundSize, st.x); + float top = step(roundSize, st.y); + float bottom = step(roundSize, 1.0 - st.y); + float right = step(roundSize, 1.0 - st.x); + + return (left*bottom*right*top)*fill; +} + +void main() +{ + vec2 fragPos = fragTexCoord; + fragPos.xy += uTime/9.0; + + fragPos *= divisions; + vec2 ipos = floor(fragPos); // Get the integer coords + vec2 fpos = fract(fragPos); // Get the fractional coords + + fpos = VectorRotateTime(fpos, 0.2); + + float alpha = Rectangle(fpos, 0.216, 1.0); + vec3 color = vec3(0.3, 0.3, 0.3); + + finalColor = vec4(color, alpha); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/deferred_shading.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/deferred_shading.fs new file mode 100644 index 0000000..c9c6a31 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/deferred_shading.fs @@ -0,0 +1,55 @@ +#version 330 core +out vec4 finalColor; + +in vec2 texCoord; +in vec2 texCoord2; + +uniform sampler2D gPosition; +uniform sampler2D gNormal; +uniform sampler2D gAlbedoSpec; + +struct Light { + int enabled; + int type; // Unused in this demo. + vec3 position; + vec3 target; // Unused in this demo. + vec4 color; +}; + +const int NR_LIGHTS = 4; +uniform Light lights[NR_LIGHTS]; +uniform vec3 viewPosition; + +const float QUADRATIC = 0.032; +const float LINEAR = 0.09; + +void main() { + vec3 fragPosition = texture(gPosition, texCoord).rgb; + vec3 normal = texture(gNormal, texCoord).rgb; + vec3 albedo = texture(gAlbedoSpec, texCoord).rgb; + float specular = texture(gAlbedoSpec, texCoord).a; + + vec3 ambient = albedo * vec3(0.1f); + vec3 viewDirection = normalize(viewPosition - fragPosition); + + for(int i = 0; i < NR_LIGHTS; ++i) + { + if(lights[i].enabled == 0) continue; + vec3 lightDirection = lights[i].position - fragPosition; + vec3 diffuse = max(dot(normal, lightDirection), 0.0) * albedo * lights[i].color.xyz; + + vec3 halfwayDirection = normalize(lightDirection + viewDirection); + float spec = pow(max(dot(normal, halfwayDirection), 0.0), 32.0); + vec3 specular = specular * spec * lights[i].color.xyz; + + // Attenuation + float distance = length(lights[i].position - fragPosition); + float attenuation = 1.0 / (1.0 + LINEAR * distance + QUADRATIC * distance * distance); + diffuse *= attenuation; + specular *= attenuation; + ambient += diffuse + specular; + } + + finalColor = vec4(ambient, 1.0); +} + diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/deferred_shading.vs b/deps/raylib/examples/shaders/resources/shaders/glsl330/deferred_shading.vs new file mode 100644 index 0000000..f2b1bd7 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/deferred_shading.vs @@ -0,0 +1,11 @@ +#version 330 core + +layout (location = 0) in vec3 vertexPosition; +layout (location = 1) in vec2 vertexTexCoord; + +out vec2 texCoord; + +void main() { + gl_Position = vec4(vertexPosition, 1.0); + texCoord = vertexTexCoord; +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/depth.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/depth.fs new file mode 100644 index 0000000..f7546bb --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/depth.fs @@ -0,0 +1,27 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; // Depth texture +uniform vec4 colDiffuse; + +// Output fragment color +out vec4 finalColor; + +// NOTE: Add here your custom variables + +void main() +{ + float zNear = 0.01; // camera z near + float zFar = 10.0; // camera z far + float z = texture(texture0, fragTexCoord).x; + + // Linearize depth value + float depth = (2.0*zNear)/(zFar + zNear - z*(zFar - zNear)); + + // Calculate final fragment color + finalColor = vec4(depth, depth, depth, 1.0f); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/distortion.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/distortion.fs new file mode 100644 index 0000000..43d540d --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/distortion.fs @@ -0,0 +1,56 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; + +// Input uniform values +uniform sampler2D texture0; + +// Output fragment color +out vec4 finalColor; + +// NOTE: Default parameters for Oculus Rift DK2 device +const vec2 LeftLensCenter = vec2(0.2863248, 0.5); +const vec2 RightLensCenter = vec2(0.7136753, 0.5); +const vec2 LeftScreenCenter = vec2(0.25, 0.5); +const vec2 RightScreenCenter = vec2(0.75, 0.5); +const vec2 Scale = vec2(0.25, 0.45); +const vec2 ScaleIn = vec2(4.0, 2.5); +const vec4 HmdWarpParam = vec4(1.0, 0.22, 0.24, 0.0); +const vec4 ChromaAbParam = vec4(0.996, -0.004, 1.014, 0.0); + +void main() +{ + // The following two variables need to be set per eye + vec2 LensCenter = fragTexCoord.x < 0.5 ? LeftLensCenter : RightLensCenter; + vec2 ScreenCenter = fragTexCoord.x < 0.5 ? LeftScreenCenter : RightScreenCenter; + + // Scales input texture coordinates for distortion: vec2 HmdWarp(vec2 fragTexCoord, vec2 LensCenter) + vec2 theta = (fragTexCoord - LensCenter)*ScaleIn; // Scales to [-1, 1] + float rSq = theta.x*theta.x + theta.y*theta.y; + vec2 theta1 = theta*(HmdWarpParam.x + HmdWarpParam.y*rSq + HmdWarpParam.z*rSq*rSq + HmdWarpParam.w*rSq*rSq*rSq); + //vec2 tc = LensCenter + Scale*theta1; + + // Detect whether blue texture coordinates are out of range since these will scaled out the furthest + vec2 thetaBlue = theta1*(ChromaAbParam.z + ChromaAbParam.w*rSq); + vec2 tcBlue = LensCenter + Scale*thetaBlue; + + if (any(bvec2(clamp(tcBlue, ScreenCenter - vec2(0.25, 0.5), ScreenCenter + vec2(0.25, 0.5)) - tcBlue))) finalColor = vec4(0.0, 0.0, 0.0, 1.0); + else + { + // Do blue texture lookup + float blue = texture(texture0, tcBlue).b; + + // Do green lookup (no scaling) + vec2 tcGreen = LensCenter + Scale*theta1; + float green = texture(texture0, tcGreen).g; + + // Do red scale and lookup + vec2 thetaRed = theta1*(ChromaAbParam.x + ChromaAbParam.y*rSq); + vec2 tcRed = LensCenter + Scale*thetaRed; + float red = texture(texture0, tcRed).r; + + finalColor = vec4(red, green, blue, 1.0); + } +} + diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/dream_vision.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/dream_vision.fs new file mode 100644 index 0000000..31d3fd2 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/dream_vision.fs @@ -0,0 +1,34 @@ +#version 330 + +in vec2 fragTexCoord; + +out vec4 fragColor; + +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +void main() +{ + vec4 color = texture(texture0, fragTexCoord); + + color += texture(texture0, fragTexCoord + 0.001); + color += texture(texture0, fragTexCoord + 0.003); + color += texture(texture0, fragTexCoord + 0.005); + color += texture(texture0, fragTexCoord + 0.007); + color += texture(texture0, fragTexCoord + 0.009); + color += texture(texture0, fragTexCoord + 0.011); + + color += texture(texture0, fragTexCoord - 0.001); + color += texture(texture0, fragTexCoord - 0.003); + color += texture(texture0, fragTexCoord - 0.005); + color += texture(texture0, fragTexCoord - 0.007); + color += texture(texture0, fragTexCoord - 0.009); + color += texture(texture0, fragTexCoord - 0.011); + + color.rgb = vec3((color.r + color.g + color.b)/3.0); + color = color/9.5; + + fragColor = color; +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/eratosthenes.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/eratosthenes.fs new file mode 100644 index 0000000..644e38d --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/eratosthenes.fs @@ -0,0 +1,59 @@ +#version 330 + +/************************************************************************************* + + The Sieve of Eratosthenes -- a simple shader by ProfJski + An early prime number sieve: https://en.wikipedia.org/wiki/Sieve_of_Eratosthenes + + The screen is divided into a square grid of boxes, each representing an integer value. + Each integer is tested to see if it is a prime number. Primes are colored white. + Non-primes are colored with a color that indicates the smallest factor which evenly divdes our integer. + + You can change the scale variable to make a larger or smaller grid. + Total number of integers displayed = scale squared, so scale = 100 tests the first 10,000 integers. + + WARNING: If you make scale too large, your GPU may bog down! + +***************************************************************************************/ + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec4 fragColor; + +// Output fragment color +out vec4 finalColor; + +// Make a nice spectrum of colors based on counter and maxSize +vec4 Colorizer(float counter, float maxSize) +{ + float red = 0.0, green = 0.0, blue = 0.0; + float normsize = counter/maxSize; + + red = smoothstep(0.3, 0.7, normsize); + green = sin(3.14159*normsize); + blue = 1.0 - smoothstep(0.0, 0.4, normsize); + + return vec4(0.8*red, 0.8*green, 0.8*blue, 1.0); +} + +void main() +{ + vec4 color = vec4(1.0); + float scale = 1000.0; // Makes 100x100 square grid. Change this variable to make a smaller or larger grid. + int value = int(scale*floor(fragTexCoord.y*scale)+floor(fragTexCoord.x*scale)); // Group pixels into boxes representing integer values + + if ((value == 0) || (value == 1) || (value == 2)) finalColor = vec4(1.0); + else + { + for (int i = 2; (i < max(2, sqrt(value) + 1)); i++) + { + if ((value - i*floor(float(value)/float(i))) == 0) + { + color = Colorizer(float(i), scale); + //break; // Uncomment to color by the largest factor instead + } + } + + finalColor = color; + } +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/fisheye.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/fisheye.fs new file mode 100644 index 0000000..bb03a61 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/fisheye.fs @@ -0,0 +1,40 @@ +#version 330 + +in vec2 fragTexCoord; + +out vec4 fragColor; + +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// NOTE: Add here your custom variables + +const float PI = 3.1415926535; + +void main() +{ + float aperture = 178.0; + float apertureHalf = 0.5 * aperture * (PI / 180.0); + float maxFactor = sin(apertureHalf); + + vec2 uv = vec2(0); + vec2 xy = 2.0 * fragTexCoord.xy - 1.0; + float d = length(xy); + + if (d < (2.0 - maxFactor)) + { + d = length(xy * maxFactor); + float z = sqrt(1.0 - d * d); + float r = atan(d, z) / PI; + float phi = atan(xy.y, xy.x); + + uv.x = r * cos(phi) + 0.5; + uv.y = r * sin(phi) + 0.5; + } + else + { + uv = fragTexCoord.xy; + } + + fragColor = texture(texture0, uv); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/fog.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/fog.fs new file mode 100644 index 0000000..445cca3 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/fog.fs @@ -0,0 +1,95 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec4 fragColor; +in vec3 fragPosition; +in vec3 fragNormal; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// Output fragment color +out vec4 finalColor; + +// NOTE: Add here your custom variables + +#define MAX_LIGHTS 4 +#define LIGHT_DIRECTIONAL 0 +#define LIGHT_POINT 1 + +struct MaterialProperty { + vec3 color; + int useSampler; + sampler2D sampler; +}; + +struct Light { + int enabled; + int type; + vec3 position; + vec3 target; + vec4 color; +}; + +// Input lighting values +uniform Light lights[MAX_LIGHTS]; +uniform vec4 ambient; +uniform vec3 viewPos; +uniform float fogDensity; + +void main() +{ + // Texel color fetching from texture sampler + vec4 texelColor = texture(texture0, fragTexCoord); + vec3 lightDot = vec3(0.0); + vec3 normal = normalize(fragNormal); + vec3 viewD = normalize(viewPos - fragPosition); + vec3 specular = vec3(0.0); + + // NOTE: Implement here your fragment shader code + + for (int i = 0; i < MAX_LIGHTS; i++) + { + if (lights[i].enabled == 1) + { + vec3 light = vec3(0.0); + + if (lights[i].type == LIGHT_DIRECTIONAL) light = -normalize(lights[i].target - lights[i].position); + if (lights[i].type == LIGHT_POINT) light = normalize(lights[i].position - fragPosition); + + float NdotL = max(dot(normal, light), 0.0); + lightDot += lights[i].color.rgb*NdotL; + + float specCo = 0.0; + if (NdotL > 0.0) specCo = pow(max(0.0, dot(viewD, reflect(-(light), normal))), 16.0); // Shine: 16.0 + specular += specCo; + } + } + + finalColor = (texelColor*((colDiffuse + vec4(specular,1))*vec4(lightDot, 1.0))); + finalColor += texelColor*(ambient/10.0); + + // Gamma correction + finalColor = pow(finalColor, vec4(1.0/2.2)); + + // Fog calculation + float dist = length(viewPos - fragPosition); + + // these could be parameters... + const vec4 fogColor = vec4(0.5, 0.5, 0.5, 1.0); + //const float fogDensity = 0.16; + + // Exponential fog + float fogFactor = 1.0/exp((dist*fogDensity)*(dist*fogDensity)); + + // Linear fog (less nice) + //const float fogStart = 2.0; + //const float fogEnd = 10.0; + //float fogFactor = (fogEnd - dist)/(fogEnd - fogStart); + + fogFactor = clamp(fogFactor, 0.0, 1.0); + + finalColor = mix(fogColor, finalColor, fogFactor); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/gbuffer.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/gbuffer.fs new file mode 100644 index 0000000..c86e20a --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/gbuffer.fs @@ -0,0 +1,22 @@ +#version 330 core +layout (location = 0) out vec3 gPosition; +layout (location = 1) out vec3 gNormal; +layout (location = 2) out vec4 gAlbedoSpec; + +in vec3 fragPosition; +in vec2 fragTexCoord; +in vec3 fragNormal; + +uniform sampler2D diffuseTexture; +uniform sampler2D specularTexture; + +void main() { + // store the fragment position vector in the first gbuffer texture + gPosition = fragPosition; + // also store the per-fragment normals into the gbuffer + gNormal = normalize(fragNormal); + // and the diffuse per-fragment color + gAlbedoSpec.rgb = texture(diffuseTexture, fragTexCoord).rgb; + // store specular intensity in gAlbedoSpec's alpha component + gAlbedoSpec.a = texture(specularTexture, fragTexCoord).r; +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/gbuffer.vs b/deps/raylib/examples/shaders/resources/shaders/glsl330/gbuffer.vs new file mode 100644 index 0000000..7d264ba --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/gbuffer.vs @@ -0,0 +1,24 @@ +#version 330 core +layout (location = 0) in vec3 vertexPosition; +layout (location = 1) in vec2 vertexTexCoord; +layout (location = 2) in vec3 vertexNormal; + +out vec3 fragPosition; +out vec2 fragTexCoord; +out vec3 fragNormal; + +uniform mat4 matModel; +uniform mat4 matView; +uniform mat4 matProjection; + +void main() +{ + vec4 worldPos = matModel * vec4(vertexPosition, 1.0); + fragPosition = worldPos.xyz; + fragTexCoord = vertexTexCoord; + + mat3 normalMatrix = transpose(inverse(mat3(matModel))); + fragNormal = normalMatrix * vertexNormal; + + gl_Position = matProjection * matView * worldPos; +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/grayscale.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/grayscale.fs new file mode 100644 index 0000000..dead6ec --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/grayscale.fs @@ -0,0 +1,26 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// Output fragment color +out vec4 finalColor; + +// NOTE: Add here your custom variables + +void main() +{ + // Texel color fetching from texture sampler + vec4 texelColor = texture(texture0, fragTexCoord)*colDiffuse*fragColor; + + // Convert texel color to grayscale using NTSC conversion weights + float gray = dot(texelColor.rgb, vec3(0.299, 0.587, 0.114)); + + // Calculate final fragment color + finalColor = vec4(gray, gray, gray, texelColor.a); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/hybrid_raster.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/hybrid_raster.fs new file mode 100644 index 0000000..85ef492 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/hybrid_raster.fs @@ -0,0 +1,14 @@ +#version 330 + +in vec2 fragTexCoord; +in vec4 fragColor; + +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +void main() +{ + vec4 texelColor = texture2D(texture0, fragTexCoord); + gl_FragColor = texelColor*colDiffuse*fragColor; + gl_FragDepth = gl_FragCoord.z; +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/hybrid_raymarch.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/hybrid_raymarch.fs new file mode 100644 index 0000000..5b66dd7 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/hybrid_raymarch.fs @@ -0,0 +1,284 @@ +# version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// Custom Input Uniform +uniform vec3 camPos; +uniform vec3 camDir; +uniform vec2 screenCenter; + +#define ZERO 0 + +// https://learnopengl.com/Advanced-OpenGL/Depth-testing +float CalcDepth(in vec3 rd, in float Idist){ + float local_z = dot(normalize(camDir),rd)*Idist; + return (1.0/(local_z) - 1.0/0.01)/(1.0/1000.0 -1.0/0.01); +} + +// https://iquilezles.org/articles/distfunctions/ +float sdHorseshoe( in vec3 p, in vec2 c, in float r, in float le, vec2 w ) +{ + p.x = abs(p.x); + float l = length(p.xy); + p.xy = mat2(-c.x, c.y, + c.y, c.x)*p.xy; + p.xy = vec2((p.y>0.0 || p.x>0.0)?p.x:l*sign(-c.x), + (p.x>0.0)?p.y:l ); + p.xy = vec2(p.x,abs(p.y-r))-vec2(le,0.0); + + vec2 q = vec2(length(max(p.xy,0.0)) + min(0.0,max(p.x,p.y)),p.z); + vec2 d = abs(q) - w; + return min(max(d.x,d.y),0.0) + length(max(d,0.0)); +} + +// r = sphere's radius +// h = cutting's plane's position +// t = thickness +float sdSixWayCutHollowSphere( vec3 p, float r, float h, float t ) +{ + // Six way symetry Transformation + vec3 ap = abs(p); + if(ap.x < max(ap.y, ap.z)){ + if(ap.y < ap.z) ap.xz = ap.zx; + else ap.xy = ap.yx; + } + + vec2 q = vec2( length(ap.yz), ap.x ); + + float w = sqrt(r*r-h*h); + + return ((h*q.x<w*q.y) ? length(q-vec2(w,h)) : + abs(length(q)-r) ) - t; +} + +// https://iquilezles.org/articles/boxfunctions +vec2 iBox( in vec3 ro, in vec3 rd, in vec3 rad ) +{ + vec3 m = 1.0/rd; + vec3 n = m*ro; + vec3 k = abs(m)*rad; + vec3 t1 = -n - k; + vec3 t2 = -n + k; + return vec2( max( max( t1.x, t1.y ), t1.z ), + min( min( t2.x, t2.y ), t2.z ) ); +} + +vec2 opU( vec2 d1, vec2 d2 ) +{ + return (d1.x<d2.x) ? d1 : d2; +} + +vec2 map( in vec3 pos ){ + vec2 res = vec2( sdHorseshoe( pos-vec3(-1.0,0.08, 1.0), vec2(cos(1.3),sin(1.3)), 0.2, 0.3, vec2(0.03,0.5) ), 11.5 ) ; + res = opU(res, vec2( sdSixWayCutHollowSphere( pos-vec3(0.0, 1.0, 0.0), 4.0, 3.5, 0.5 ), 4.5 )) ; + return res; +} + +// https://www.shadertoy.com/view/Xds3zN +vec2 raycast( in vec3 ro, in vec3 rd ){ + vec2 res = vec2(-1.0,-1.0); + + float tmin = 1.0; + float tmax = 20.0; + + // raytrace floor plane + float tp1 = (-ro.y)/rd.y; + if( tp1>0.0 ) + { + tmax = min( tmax, tp1 ); + res = vec2( tp1, 1.0 ); + } + + float t = tmin; + for( int i=0; i<70 ; i++ ) + { + if(t>tmax) break; + vec2 h = map( ro+rd*t ); + if( abs(h.x)<(0.0001*t) ) + { + res = vec2(t,h.y); + break; + } + t += h.x; + } + + return res; +} + + +// https://iquilezles.org/articles/rmshadows +float calcSoftshadow( in vec3 ro, in vec3 rd, in float mint, in float tmax ) +{ + // bounding volume + float tp = (0.8-ro.y)/rd.y; if( tp>0.0 ) tmax = min( tmax, tp ); + + float res = 1.0; + float t = mint; + for( int i=ZERO; i<24; i++ ) + { + float h = map( ro + rd*t ).x; + float s = clamp(8.0*h/t,0.0,1.0); + res = min( res, s ); + t += clamp( h, 0.01, 0.2 ); + if( res<0.004 || t>tmax ) break; + } + res = clamp( res, 0.0, 1.0 ); + return res*res*(3.0-2.0*res); +} + + +// https://iquilezles.org/articles/normalsSDF +vec3 calcNormal( in vec3 pos ) +{ + vec2 e = vec2(1.0,-1.0)*0.5773*0.0005; + return normalize( e.xyy*map( pos + e.xyy ).x + + e.yyx*map( pos + e.yyx ).x + + e.yxy*map( pos + e.yxy ).x + + e.xxx*map( pos + e.xxx ).x ); +} + +// https://iquilezles.org/articles/nvscene2008/rwwtt.pdf +float calcAO( in vec3 pos, in vec3 nor ) +{ + float occ = 0.0; + float sca = 1.0; + for( int i=ZERO; i<5; i++ ) + { + float h = 0.01 + 0.12*float(i)/4.0; + float d = map( pos + h*nor ).x; + occ += (h-d)*sca; + sca *= 0.95; + if( occ>0.35 ) break; + } + return clamp( 1.0 - 3.0*occ, 0.0, 1.0 ) * (0.5+0.5*nor.y); +} + +// https://iquilezles.org/articles/checkerfiltering +float checkersGradBox( in vec2 p ) +{ + // filter kernel + vec2 w = fwidth(p) + 0.001; + // analytical integral (box filter) + vec2 i = 2.0*(abs(fract((p-0.5*w)*0.5)-0.5)-abs(fract((p+0.5*w)*0.5)-0.5))/w; + // xor pattern + return 0.5 - 0.5*i.x*i.y; +} + +// https://www.shadertoy.com/view/tdS3DG +vec4 render( in vec3 ro, in vec3 rd) +{ + // background + vec3 col = vec3(0.7, 0.7, 0.9) - max(rd.y,0.0)*0.3; + + // raycast scene + vec2 res = raycast(ro,rd); + float t = res.x; + float m = res.y; + if( m>-0.5 ) + { + vec3 pos = ro + t*rd; + vec3 nor = (m<1.5) ? vec3(0.0,1.0,0.0) : calcNormal( pos ); + vec3 ref = reflect( rd, nor ); + + // material + col = 0.2 + 0.2*sin( m*2.0 + vec3(0.0,1.0,2.0) ); + float ks = 1.0; + + if( m<1.5 ) + { + float f = checkersGradBox( 3.0*pos.xz); + col = 0.15 + f*vec3(0.05); + ks = 0.4; + } + + // lighting + float occ = calcAO( pos, nor ); + + vec3 lin = vec3(0.0); + + // sun + { + vec3 lig = normalize( vec3(-0.5, 0.4, -0.6) ); + vec3 hal = normalize( lig-rd ); + float dif = clamp( dot( nor, lig ), 0.0, 1.0 ); + //if( dif>0.0001 ) + dif *= calcSoftshadow( pos, lig, 0.02, 2.5 ); + float spe = pow( clamp( dot( nor, hal ), 0.0, 1.0 ),16.0); + spe *= dif; + spe *= 0.04+0.96*pow(clamp(1.0-dot(hal,lig),0.0,1.0),5.0); + //spe *= 0.04+0.96*pow(clamp(1.0-sqrt(0.5*(1.0-dot(rd,lig))),0.0,1.0),5.0); + lin += col*2.20*dif*vec3(1.30,1.00,0.70); + lin += 5.00*spe*vec3(1.30,1.00,0.70)*ks; + } + // sky + { + float dif = sqrt(clamp( 0.5+0.5*nor.y, 0.0, 1.0 )); + dif *= occ; + float spe = smoothstep( -0.2, 0.2, ref.y ); + spe *= dif; + spe *= 0.04+0.96*pow(clamp(1.0+dot(nor,rd),0.0,1.0), 5.0 ); + //if( spe>0.001 ) + spe *= calcSoftshadow( pos, ref, 0.02, 2.5 ); + lin += col*0.60*dif*vec3(0.40,0.60,1.15); + lin += 2.00*spe*vec3(0.40,0.60,1.30)*ks; + } + // back + { + float dif = clamp( dot( nor, normalize(vec3(0.5,0.0,0.6))), 0.0, 1.0 )*clamp( 1.0-pos.y,0.0,1.0); + dif *= occ; + lin += col*0.55*dif*vec3(0.25,0.25,0.25); + } + // sss + { + float dif = pow(clamp(1.0+dot(nor,rd),0.0,1.0),2.0); + dif *= occ; + lin += col*0.25*dif*vec3(1.00,1.00,1.00); + } + + col = lin; + + col = mix( col, vec3(0.7,0.7,0.9), 1.0-exp( -0.0001*t*t*t ) ); + } + + return vec4(vec3( clamp(col,0.0,1.0) ),t); +} + +vec3 CalcRayDir(vec2 nCoord){ + vec3 horizontal = normalize(cross(camDir,vec3(.0 , 1.0, .0))); + vec3 vertical = normalize(cross(horizontal,camDir)); + return normalize(camDir + horizontal*nCoord.x + vertical*nCoord.y); +} + +mat3 setCamera() +{ + vec3 cw = normalize(camDir); + vec3 cp = vec3(0.0, 1.0 ,0.0); + vec3 cu = normalize( cross(cw,cp) ); + vec3 cv = ( cross(cu,cw) ); + return mat3( cu, cv, cw ); +} + +void main() +{ + vec2 nCoord = (gl_FragCoord.xy - screenCenter.xy)/screenCenter.y; + mat3 ca = setCamera(); + + // focal length + float fl = length(camDir); + vec3 rd = ca * normalize( vec3(nCoord,fl) ); + vec3 color = vec3(nCoord/2.0 + 0.5, 0.0); + float depth = gl_FragCoord.z; + { + vec4 res = render( camPos - vec3(0.0, 0.0, 0.0) , rd ); + color = res.xyz; + depth = CalcDepth(rd,res.w); + } + gl_FragColor = vec4(color , 1.0); + gl_FragDepth = depth; +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/julia_set.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/julia_set.fs new file mode 100644 index 0000000..7a6f069 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/julia_set.fs @@ -0,0 +1,83 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec4 fragColor; + +// Output fragment color +out vec4 finalColor; + +uniform vec2 c; // c.x = real, c.y = imaginary component. Equation done is z^2 + c +uniform vec2 offset; // Offset of the scale. +uniform float zoom; // Zoom of the scale. + +const int maxIterations = 255; // Max iterations to do. +const float colorCycles = 2.0f; // Number of times the color palette repeats. Can show higher detail for higher iteration numbers. + +// Square a complex number +vec2 ComplexSquare(vec2 z) +{ + return vec2( + z.x*z.x - z.y*z.y, + z.x*z.y*2.0f + ); +} + +// Convert Hue Saturation Value (HSV) color into RGB +vec3 Hsv2rgb(vec3 c) +{ + vec4 K = vec4(1.0f, 2.0f/3.0f, 1.0f/3.0f, 3.0f); + vec3 p = abs(fract(c.xxx + K.xyz)*6.0f - K.www); + return c.z*mix(K.xxx, clamp(p - K.xxx, 0.0f, 1.0f), c.y); +} + +void main() +{ + /********************************************************************************************** + Julia sets use a function z^2 + c, where c is a constant. + This function is iterated until the nature of the point is determined. + + If the magnitude of the number becomes greater than 2, then from that point onward + the number will get bigger and bigger, and will never get smaller (tends towards infinity). + 2^2 = 4, 4^2 = 8 and so on. + So at 2 we stop iterating. + + If the number is below 2, we keep iterating. + But when do we stop iterating if the number is always below 2 (it converges)? + That is what maxIterations is for. + Then we can divide the iterations by the maxIterations value to get a normalized value that we can + then map to a color. + + We use dot product (z.x * z.x + z.y * z.y) to determine the magnitude (length) squared. + And once the magnitude squared is > 4, then magnitude > 2 is also true (saves computational power). + *************************************************************************************************/ + + // The pixel coordinates are scaled so they are on the mandelbrot scale + // NOTE: fragTexCoord already comes as normalized screen coordinates but offset must be normalized before scaling and zoom + vec2 z = vec2((fragTexCoord.x - 0.5f)*2.5f, (fragTexCoord.y - 0.5f)*1.5f)/zoom; + z.x += offset.x; + z.y += offset.y; + + int iterations = 0; + for (iterations = 0; iterations < maxIterations; iterations++) + { + z = ComplexSquare(z) + c; // Iterate function + + if (dot(z, z) > 4.0f) break; + } + + // Another few iterations decreases errors in the smoothing calculation. + // See http://linas.org/art-gallery/escape/escape.html for more information. + z = ComplexSquare(z) + c; + z = ComplexSquare(z) + c; + + // This last part smooths the color (again see link above). + float smoothVal = float(iterations) + 1.0f - (log(log(length(z)))/log(2.0f)); + + // Normalize the value so it is between 0 and 1. + float norm = smoothVal/float(maxIterations); + + // If in set, color black. 0.999 allows for some float accuracy error. + if (norm > 0.999f) finalColor = vec4(0.0f, 0.0f, 0.0f, 1.0f); + else finalColor = vec4(Hsv2rgb(vec3(norm*colorCycles, 1.0f, 1.0f)), 1.0f); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/lighting.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/lighting.fs new file mode 100644 index 0000000..d2a8e87 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/lighting.fs @@ -0,0 +1,78 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec3 fragPosition; +in vec2 fragTexCoord; +in vec4 fragColor; +in vec3 fragNormal; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// Output fragment color +out vec4 finalColor; + +// NOTE: Add here your custom variables + +#define MAX_LIGHTS 4 +#define LIGHT_DIRECTIONAL 0 +#define LIGHT_POINT 1 + +struct Light { + int enabled; + int type; + vec3 position; + vec3 target; + vec4 color; +}; + +// Input lighting values +uniform Light lights[MAX_LIGHTS]; +uniform vec4 ambient; +uniform vec3 viewPos; + +void main() +{ + // Texel color fetching from texture sampler + vec4 texelColor = texture(texture0, fragTexCoord); + vec3 lightDot = vec3(0.0); + vec3 normal = normalize(fragNormal); + vec3 viewD = normalize(viewPos - fragPosition); + vec3 specular = vec3(0.0); + + vec4 tint = colDiffuse * fragColor; + + // NOTE: Implement here your fragment shader code + + for (int i = 0; i < MAX_LIGHTS; i++) + { + if (lights[i].enabled == 1) + { + vec3 light = vec3(0.0); + + if (lights[i].type == LIGHT_DIRECTIONAL) + { + light = -normalize(lights[i].target - lights[i].position); + } + + if (lights[i].type == LIGHT_POINT) + { + light = normalize(lights[i].position - fragPosition); + } + + float NdotL = max(dot(normal, light), 0.0); + lightDot += lights[i].color.rgb*NdotL; + + float specCo = 0.0; + if (NdotL > 0.0) specCo = pow(max(0.0, dot(viewD, reflect(-(light), normal))), 16.0); // 16 refers to shine + specular += specCo; + } + } + + finalColor = (texelColor*((tint + vec4(specular, 1.0))*vec4(lightDot, 1.0))); + finalColor += texelColor*(ambient/10.0)*tint; + + // Gamma correction + finalColor = pow(finalColor, vec4(1.0/2.2)); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/lighting.vs b/deps/raylib/examples/shaders/resources/shaders/glsl330/lighting.vs new file mode 100644 index 0000000..f8ec45f --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/lighting.vs @@ -0,0 +1,32 @@ +#version 330 + +// Input vertex attributes +in vec3 vertexPosition; +in vec2 vertexTexCoord; +in vec3 vertexNormal; +in vec4 vertexColor; + +// Input uniform values +uniform mat4 mvp; +uniform mat4 matModel; +uniform mat4 matNormal; + +// Output vertex attributes (to fragment shader) +out vec3 fragPosition; +out vec2 fragTexCoord; +out vec4 fragColor; +out vec3 fragNormal; + +// NOTE: Add here your custom variables + +void main() +{ + // Send vertex attributes to fragment shader + fragPosition = vec3(matModel*vec4(vertexPosition, 1.0)); + fragTexCoord = vertexTexCoord; + fragColor = vertexColor; + fragNormal = normalize(vec3(matNormal*vec4(vertexNormal, 1.0))); + + // Calculate final vertex position + gl_Position = mvp*vec4(vertexPosition, 1.0); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/lighting_instancing.vs b/deps/raylib/examples/shaders/resources/shaders/glsl330/lighting_instancing.vs new file mode 100644 index 0000000..3e4da1e --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/lighting_instancing.vs @@ -0,0 +1,33 @@ +#version 330 + +// Input vertex attributes +in vec3 vertexPosition; +in vec2 vertexTexCoord; +in vec3 vertexNormal; +//in vec4 vertexColor; // Not required + +in mat4 instanceTransform; + +// Input uniform values +uniform mat4 mvp; +uniform mat4 matNormal; + +// Output vertex attributes (to fragment shader) +out vec3 fragPosition; +out vec2 fragTexCoord; +out vec4 fragColor; +out vec3 fragNormal; + +// NOTE: Add here your custom variables + +void main() +{ + // Send vertex attributes to fragment shader + fragPosition = vec3(instanceTransform*vec4(vertexPosition, 1.0)); + fragTexCoord = vertexTexCoord; + //fragColor = vertexColor; + fragNormal = normalize(vec3(matNormal*vec4(vertexNormal, 1.0))); + + // Calculate final vertex position, note that we multiply mvp by instanceTransform + gl_Position = mvp*instanceTransform*vec4(vertexPosition, 1.0); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/lightmap.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/lightmap.fs new file mode 100644 index 0000000..827473d --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/lightmap.fs @@ -0,0 +1,23 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec2 fragTexCoord2; +in vec3 fragPosition; +in vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform sampler2D texture1; + +// Output fragment color +out vec4 finalColor; + +void main() +{ + // Texel color fetching from texture sampler + vec4 texelColor = texture(texture0, fragTexCoord); + vec4 texelColor2 = texture(texture1, fragTexCoord2); + + finalColor = texelColor * texelColor2; +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/lightmap.vs b/deps/raylib/examples/shaders/resources/shaders/glsl330/lightmap.vs new file mode 100644 index 0000000..d92c2f0 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/lightmap.vs @@ -0,0 +1,29 @@ +#version 330 + +// Input vertex attributes +in vec3 vertexPosition; +in vec2 vertexTexCoord; +in vec2 vertexTexCoord2; +in vec4 vertexColor; + +// Input uniform values +uniform mat4 mvp; +uniform mat4 matModel; + +// Output vertex attributes (to fragment shader) +out vec3 fragPosition; +out vec2 fragTexCoord; +out vec2 fragTexCoord2; +out vec4 fragColor; + +void main() +{ + // Send vertex attributes to fragment shader + fragPosition = vec3(matModel*vec4(vertexPosition, 1.0)); + fragTexCoord = vertexTexCoord; + fragTexCoord2 = vertexTexCoord2; + fragColor = vertexColor; + + // Calculate final vertex position + gl_Position = mvp*vec4(vertexPosition, 1.0); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/mask.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/mask.fs new file mode 100644 index 0000000..a93bed0 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/mask.fs @@ -0,0 +1,22 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform sampler2D mask; +uniform int frame; + +// Output fragment color +out vec4 finalColor; + +void main() +{ + vec4 maskColour = texture(mask, fragTexCoord + vec2(sin(-frame/150.0)/10.0, cos(-frame/170.0)/10.0)); + if (maskColour.r < 0.25) discard; + vec4 texelColor = texture(texture0, fragTexCoord + vec2(sin(frame/90.0)/8.0, cos(frame/60.0)/8.0)); + + finalColor = texelColor*maskColour; +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/outline.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/outline.fs new file mode 100644 index 0000000..2584a21 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/outline.fs @@ -0,0 +1,35 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +uniform vec2 textureSize; +uniform float outlineSize; +uniform vec4 outlineColor; + +// Output fragment color +out vec4 finalColor; + +void main() +{ + vec4 texel = texture(texture0, fragTexCoord); // Get texel color + vec2 texelScale = vec2(0.0); + texelScale.x = outlineSize/textureSize.x; + texelScale.y = outlineSize/textureSize.y; + + // We sample four corner texels, but only for the alpha channel (this is for the outline) + vec4 corners = vec4(0.0); + corners.x = texture(texture0, fragTexCoord + vec2(texelScale.x, texelScale.y)).a; + corners.y = texture(texture0, fragTexCoord + vec2(texelScale.x, -texelScale.y)).a; + corners.z = texture(texture0, fragTexCoord + vec2(-texelScale.x, texelScale.y)).a; + corners.w = texture(texture0, fragTexCoord + vec2(-texelScale.x, -texelScale.y)).a; + + float outline = min(dot(corners, vec4(1.0)), 1.0); + vec4 color = mix(vec4(0.0), outlineColor, outline); + finalColor = mix(color, texel, texel.a); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/overdraw.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/overdraw.fs new file mode 100644 index 0000000..d1a4b6a --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/overdraw.fs @@ -0,0 +1,26 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// Output fragment color +out vec4 finalColor; + +// NOTE: Add here your custom variables + +void main() +{ + // To show overdraw, we just render all the fragments + // with a solid color and some transparency + + // NOTE: This is not a postpro render, + // it will only render all screen texture in a plain color + + finalColor = vec4(1.0, 0.0, 0.0, 0.2); +} + diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/palette_switch.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/palette_switch.fs new file mode 100644 index 0000000..6a82529 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/palette_switch.fs @@ -0,0 +1,33 @@ +#version 330 + +const int MAX_INDEXED_COLORS = 8; + +// Input fragment attributes (from fragment shader) +in vec2 fragTexCoord; +in vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform ivec3 palette[MAX_INDEXED_COLORS]; +//uniform sampler2D palette; // Alternative to ivec3, palette provided as a 256x1 texture + +// Output fragment color +out vec4 finalColor; + +void main() +{ + // Texel color fetching from texture sampler + // NOTE: The texel is actually the a GRAYSCALE index color + vec4 texelColor = texture(texture0, fragTexCoord)*fragColor; + + // Convert the (normalized) texel color RED component (GB would work, too) + // to the palette index by scaling up from [0..1] to [0..255] + int index = int(texelColor.r*255.0); + ivec3 color = palette[index]; + + //finalColor = texture(palette, texelColor.xy); // Alternative to ivec3 + + // Calculate final fragment color. Note that the palette color components + // are defined in the range [0..255] and need to be normalized to [0..1] + finalColor = vec4(color/255.0, texelColor.a); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/pbr.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/pbr.fs new file mode 100644 index 0000000..d7544d3 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/pbr.fs @@ -0,0 +1,162 @@ +#version 330 + +#define MAX_LIGHTS 4 +#define LIGHT_DIRECTIONAL 0 +#define LIGHT_POINT 1 +#define PI 3.14159265358979323846 + +struct Light { + int enabled; + int type; + vec3 position; + vec3 target; + vec4 color; + float intensity; +}; + +// Input vertex attributes (from vertex shader) +in vec3 fragPosition; +in vec2 fragTexCoord; +in vec4 fragColor; +in vec3 fragNormal; +in vec4 shadowPos; +in mat3 TBN; + +// Output fragment color +out vec4 finalColor; + +// Input uniform values +uniform int numOfLights; +uniform sampler2D albedoMap; +uniform sampler2D mraMap; +uniform sampler2D normalMap; +uniform sampler2D emissiveMap; // r: Hight g:emissive + +uniform vec2 tiling; +uniform vec2 offset; + +uniform int useTexAlbedo; +uniform int useTexNormal; +uniform int useTexMRA; +uniform int useTexEmissive; + +uniform vec4 albedoColor; +uniform vec4 emissiveColor; +uniform float normalValue; +uniform float metallicValue; +uniform float roughnessValue; +uniform float aoValue; +uniform float emissivePower; + +// Input lighting values +uniform Light lights[MAX_LIGHTS]; +uniform vec3 viewPos; + +uniform vec3 ambientColor; +uniform float ambient; + +// Reflectivity in range 0.0 to 1.0 +// NOTE: Reflectivity is increased when surface view at larger angle +vec3 SchlickFresnel(float hDotV,vec3 refl) +{ + return refl + (1.0 - refl)*pow(1.0 - hDotV, 5.0); +} + +float GgxDistribution(float nDotH,float roughness) +{ + float a = roughness * roughness * roughness * roughness; + float d = nDotH * nDotH * (a - 1.0) + 1.0; + d = PI * d * d; + return a / max(d,0.0000001); +} + +float GeomSmith(float nDotV,float nDotL,float roughness) +{ + float r = roughness + 1.0; + float k = r*r / 8.0; + float ik = 1.0 - k; + float ggx1 = nDotV/(nDotV*ik + k); + float ggx2 = nDotL/(nDotL*ik + k); + return ggx1*ggx2; +} + +vec3 ComputePBR() +{ + vec3 albedo = texture(albedoMap,vec2(fragTexCoord.x*tiling.x + offset.x, fragTexCoord.y*tiling.y + offset.y)).rgb; + albedo = vec3(albedoColor.x*albedo.x, albedoColor.y*albedo.y, albedoColor.z*albedo.z); + + float metallic = clamp(metallicValue, 0.0, 1.0); + float roughness = clamp(roughnessValue, 0.0, 1.0); + float ao = clamp(aoValue, 0.0, 1.0); + + if (useTexMRA == 1) + { + vec4 mra = texture(mraMap, vec2(fragTexCoord.x*tiling.x + offset.x, fragTexCoord.y*tiling.y + offset.y))*useTexMRA; + metallic = clamp(mra.r + metallicValue, 0.04, 1.0); + roughness = clamp(mra.g + roughnessValue, 0.04, 1.0); + ao = (mra.b + aoValue)*0.5; + } + + vec3 N = normalize(fragNormal); + if (useTexNormal == 1) + { + N = texture(normalMap, vec2(fragTexCoord.x*tiling.x + offset.y, fragTexCoord.y*tiling.y + offset.y)).rgb; + N = normalize(N*2.0 - 1.0); + N = normalize(N*TBN); + } + + vec3 V = normalize(viewPos - fragPosition); + + vec3 emissive = vec3(0); + emissive = (texture(emissiveMap, vec2(fragTexCoord.x*tiling.x+offset.x, fragTexCoord.y*tiling.y+offset.y)).rgb).g * emissiveColor.rgb*emissivePower * useTexEmissive; + + // return N;//vec3(metallic,metallic,metallic); + // if dia-electric use base reflectivity of 0.04 otherwise ut is a metal use albedo as base reflectivity + vec3 baseRefl = mix(vec3(0.04), albedo.rgb, metallic); + vec3 lightAccum = vec3(0.0); // Acumulate lighting lum + + for (int i = 0; i < numOfLights; i++) + { + vec3 L = normalize(lights[i].position - fragPosition); // Compute light vector + vec3 H = normalize(V + L); // Compute halfway bisecting vector + float dist = length(lights[i].position - fragPosition); // Compute distance to light + float attenuation = 1.0/(dist*dist*0.23); // Compute attenuation + vec3 radiance = lights[i].color.rgb*lights[i].intensity*attenuation; // Compute input radiance, light energy comming in + + // Cook-Torrance BRDF distribution function + float nDotV = max(dot(N,V), 0.0000001); + float nDotL = max(dot(N,L), 0.0000001); + float hDotV = max(dot(H,V), 0.0); + float nDotH = max(dot(N,H), 0.0); + float D = GgxDistribution(nDotH, roughness); // Larger the more micro-facets aligned to H + float G = GeomSmith(nDotV, nDotL, roughness); // Smaller the more micro-facets shadow + vec3 F = SchlickFresnel(hDotV, baseRefl); // Fresnel proportion of specular reflectance + + vec3 spec = (D*G*F)/(4.0*nDotV*nDotL); + + // Difuse and spec light can't be above 1.0 + // kD = 1.0 - kS diffuse component is equal 1.0 - spec comonent + vec3 kD = vec3(1.0) - F; + + // Mult kD by the inverse of metallnes, only non-metals should have diffuse light + kD *= 1.0 - metallic; + lightAccum += ((kD*albedo.rgb/PI + spec)*radiance*nDotL)*lights[i].enabled; // Angle of light has impact on result + } + + vec3 ambientFinal = (ambientColor + albedo)*ambient*0.5; + + return ambientFinal + lightAccum*ao + emissive; +} + +void main() +{ + vec3 color = ComputePBR(); + + // HDR tonemapping + color = pow(color, color + vec3(1.0)); + + // Gamma correction + color = pow(color, vec3(1.0/2.2)); + + finalColor = vec4(color, 1.0); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/pbr.vs b/deps/raylib/examples/shaders/resources/shaders/glsl330/pbr.vs new file mode 100644 index 0000000..94b0062 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/pbr.vs @@ -0,0 +1,48 @@ +#version 330 + +// Input vertex attributes +in vec3 vertexPosition; +in vec2 vertexTexCoord; +in vec3 vertexNormal; +in vec3 vertexTangent; +in vec4 vertexColor; + +// Input uniform values +uniform mat4 mvp; +uniform mat4 matModel; +uniform mat4 matNormal; +uniform vec3 lightPos; +uniform vec4 difColor; + +// Output vertex attributes (to fragment shader) +out vec3 fragPosition; +out vec2 fragTexCoord; +out vec4 fragColor; +out vec3 fragNormal; +out mat3 TBN; + +const float normalOffset = 0.1; + +void main() +{ + // Compute binormal from vertex normal and tangent + vec3 vertexBinormal = cross(vertexNormal, vertexTangent); + + // Compute fragment normal based on normal transformations + mat3 normalMatrix = transpose(inverse(mat3(matModel))); + + // Compute fragment position based on model transformations + fragPosition = vec3(matModel*vec4(vertexPosition, 1.0f)); + + fragTexCoord = vertexTexCoord*2.0; + fragNormal = normalize(normalMatrix*vertexNormal); + vec3 fragTangent = normalize(normalMatrix*vertexTangent); + fragTangent = normalize(fragTangent - dot(fragTangent, fragNormal)*fragNormal); + vec3 fragBinormal = normalize(normalMatrix*vertexBinormal); + fragBinormal = cross(fragNormal, fragTangent); + + TBN = transpose(mat3(fragTangent, fragBinormal, fragNormal)); + + // Calculate final vertex position + gl_Position = mvp*vec4(vertexPosition, 1.0); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/pixelizer.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/pixelizer.fs new file mode 100644 index 0000000..cf8aec4 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/pixelizer.fs @@ -0,0 +1,33 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// Output fragment color +out vec4 finalColor; + +// NOTE: Add here your custom variables + +// NOTE: Render size values must be passed from code +const float renderWidth = 800; +const float renderHeight = 450; + +uniform float pixelWidth = 5.0; +uniform float pixelHeight = 5.0; + +void main() +{ + float dx = pixelWidth*(1.0/renderWidth); + float dy = pixelHeight*(1.0/renderHeight); + + vec2 coord = vec2(dx*floor(fragTexCoord.x/dx), dy*floor(fragTexCoord.y/dy)); + + vec3 tc = texture(texture0, coord).rgb; + + finalColor = vec4(tc, 1.0); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/posterization.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/posterization.fs new file mode 100644 index 0000000..cf84585 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/posterization.fs @@ -0,0 +1,31 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// Output fragment color +out vec4 finalColor; + +// NOTE: Add here your custom variables + +float gamma = 0.6; +float numColors = 8.0; + +void main() +{ + // Texel color fetching from texture sampler + vec3 texelColor = texture(texture0, fragTexCoord.xy).rgb; + + texelColor = pow(texelColor, vec3(gamma, gamma, gamma)); + texelColor = texelColor*numColors; + texelColor = floor(texelColor); + texelColor = texelColor/numColors; + texelColor = pow(texelColor, vec3(1.0/gamma)); + + finalColor = vec4(texelColor, 1.0); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/predator.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/predator.fs new file mode 100644 index 0000000..c0db7b3 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/predator.fs @@ -0,0 +1,32 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// Output fragment color +out vec4 finalColor; + +// NOTE: Add here your custom variables + +void main() +{ + // Texel color fetching from texture sampler + vec3 texelColor = texture(texture0, fragTexCoord).rgb; + vec3 colors[3]; + colors[0] = vec3(0.0, 0.0, 1.0); + colors[1] = vec3(1.0, 1.0, 0.0); + colors[2] = vec3(1.0, 0.0, 0.0); + + float lum = (texelColor.r + texelColor.g + texelColor.b)/3.0; + + int ix = (lum < 0.5)? 0:1; + + vec3 tc = mix(colors[ix], colors[ix + 1], (lum - float(ix)*0.5)/0.5); + + finalColor = vec4(tc, 1.0); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/raymarching.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/raymarching.fs new file mode 100644 index 0000000..6a9eb45 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/raymarching.fs @@ -0,0 +1,430 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec4 fragColor; + +// Output fragment color +out vec4 finalColor; + +uniform vec3 viewEye; +uniform vec3 viewCenter; +uniform float runTime; +uniform vec2 resolution; + +// The MIT License +// Copyright © 2013 Inigo Quilez +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: + +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. + +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +// A list of useful distance function to simple primitives, and an example on how to +// do some interesting boolean operations, repetition and displacement. +// +// More info here: http://www.iquilezles.org/www/articles/distfunctions/distfunctions.htm + +#define AA 1 // make this 1 is your machine is too slow + +//------------------------------------------------------------------ + +float sdPlane( vec3 p ) +{ + return p.y; +} + +float sdSphere( vec3 p, float s ) +{ + return length(p)-s; +} + +float sdBox( vec3 p, vec3 b ) +{ + vec3 d = abs(p) - b; + return min(max(d.x,max(d.y,d.z)),0.0) + length(max(d,0.0)); +} + +float sdEllipsoid( in vec3 p, in vec3 r ) +{ + return (length( p/r ) - 1.0) * min(min(r.x,r.y),r.z); +} + +float udRoundBox( vec3 p, vec3 b, float r ) +{ + return length(max(abs(p)-b,0.0))-r; +} + +float sdTorus( vec3 p, vec2 t ) +{ + return length( vec2(length(p.xz)-t.x,p.y) )-t.y; +} + +float sdHexPrism( vec3 p, vec2 h ) +{ + vec3 q = abs(p); +#if 0 + return max(q.z-h.y,max((q.x*0.866025+q.y*0.5),q.y)-h.x); +#else + float d1 = q.z-h.y; + float d2 = max((q.x*0.866025+q.y*0.5),q.y)-h.x; + return length(max(vec2(d1,d2),0.0)) + min(max(d1,d2), 0.); +#endif +} + +float sdCapsule( vec3 p, vec3 a, vec3 b, float r ) +{ + vec3 pa = p-a, ba = b-a; + float h = clamp( dot(pa,ba)/dot(ba,ba), 0.0, 1.0 ); + return length( pa - ba*h ) - r; +} + +float sdEquilateralTriangle( in vec2 p ) +{ + const float k = sqrt(3.0); + p.x = abs(p.x) - 1.0; + p.y = p.y + 1.0/k; + if( p.x + k*p.y > 0.0 ) p = vec2( p.x - k*p.y, -k*p.x - p.y )/2.0; + p.x += 2.0 - 2.0*clamp( (p.x+2.0)/2.0, 0.0, 1.0 ); + return -length(p)*sign(p.y); +} + +float sdTriPrism( vec3 p, vec2 h ) +{ + vec3 q = abs(p); + float d1 = q.z-h.y; +#if 1 + // distance bound + float d2 = max(q.x*0.866025+p.y*0.5,-p.y)-h.x*0.5; +#else + // correct distance + h.x *= 0.866025; + float d2 = sdEquilateralTriangle(p.xy/h.x)*h.x; +#endif + return length(max(vec2(d1,d2),0.0)) + min(max(d1,d2), 0.); +} + +float sdCylinder( vec3 p, vec2 h ) +{ + vec2 d = abs(vec2(length(p.xz),p.y)) - h; + return min(max(d.x,d.y),0.0) + length(max(d,0.0)); +} + +float sdCone( in vec3 p, in vec3 c ) +{ + vec2 q = vec2( length(p.xz), p.y ); + float d1 = -q.y-c.z; + float d2 = max( dot(q,c.xy), q.y); + return length(max(vec2(d1,d2),0.0)) + min(max(d1,d2), 0.); +} + +float sdConeSection( in vec3 p, in float h, in float r1, in float r2 ) +{ + float d1 = -p.y - h; + float q = p.y - h; + float si = 0.5*(r1-r2)/h; + float d2 = max( sqrt( dot(p.xz,p.xz)*(1.0-si*si)) + q*si - r2, q ); + return length(max(vec2(d1,d2),0.0)) + min(max(d1,d2), 0.); +} + +float sdPryamid4(vec3 p, vec3 h ) // h = { cos a, sin a, height } +{ + // Tetrahedron = Octahedron - Cube + float box = sdBox( p - vec3(0,-2.0*h.z,0), vec3(2.0*h.z) ); + + float d = 0.0; + d = max( d, abs( dot(p, vec3( -h.x, h.y, 0 )) )); + d = max( d, abs( dot(p, vec3( h.x, h.y, 0 )) )); + d = max( d, abs( dot(p, vec3( 0, h.y, h.x )) )); + d = max( d, abs( dot(p, vec3( 0, h.y,-h.x )) )); + float octa = d - h.z; + return max(-box,octa); // Subtraction + } + +float length2( vec2 p ) +{ + return sqrt( p.x*p.x + p.y*p.y ); +} + +float length6( vec2 p ) +{ + p = p*p*p; p = p*p; + return pow( p.x + p.y, 1.0/6.0 ); +} + +float length8( vec2 p ) +{ + p = p*p; p = p*p; p = p*p; + return pow( p.x + p.y, 1.0/8.0 ); +} + +float sdTorus82( vec3 p, vec2 t ) +{ + vec2 q = vec2(length2(p.xz)-t.x,p.y); + return length8(q)-t.y; +} + +float sdTorus88( vec3 p, vec2 t ) +{ + vec2 q = vec2(length8(p.xz)-t.x,p.y); + return length8(q)-t.y; +} + +float sdCylinder6( vec3 p, vec2 h ) +{ + return max( length6(p.xz)-h.x, abs(p.y)-h.y ); +} + +//------------------------------------------------------------------ + +float opS( float d1, float d2 ) +{ + return max(-d2,d1); +} + +vec2 opU( vec2 d1, vec2 d2 ) +{ + return (d1.x<d2.x) ? d1 : d2; +} + +vec3 opRep( vec3 p, vec3 c ) +{ + return mod(p,c)-0.5*c; +} + +vec3 opTwist( vec3 p ) +{ + float c = cos(10.0*p.y+10.0); + float s = sin(10.0*p.y+10.0); + mat2 m = mat2(c,-s,s,c); + return vec3(m*p.xz,p.y); +} + +//------------------------------------------------------------------ + +vec2 map( in vec3 pos ) +{ + vec2 res = opU( vec2( sdPlane( pos), 1.0 ), + vec2( sdSphere( pos-vec3( 0.0,0.25, 0.0), 0.25 ), 46.9 ) ); + res = opU( res, vec2( sdBox( pos-vec3( 1.0,0.25, 0.0), vec3(0.25) ), 3.0 ) ); + res = opU( res, vec2( udRoundBox( pos-vec3( 1.0,0.25, 1.0), vec3(0.15), 0.1 ), 41.0 ) ); + res = opU( res, vec2( sdTorus( pos-vec3( 0.0,0.25, 1.0), vec2(0.20,0.05) ), 25.0 ) ); + res = opU( res, vec2( sdCapsule( pos,vec3(-1.3,0.10,-0.1), vec3(-0.8,0.50,0.2), 0.1 ), 31.9 ) ); + res = opU( res, vec2( sdTriPrism( pos-vec3(-1.0,0.25,-1.0), vec2(0.25,0.05) ),43.5 ) ); + res = opU( res, vec2( sdCylinder( pos-vec3( 1.0,0.30,-1.0), vec2(0.1,0.2) ), 8.0 ) ); + res = opU( res, vec2( sdCone( pos-vec3( 0.0,0.50,-1.0), vec3(0.8,0.6,0.3) ), 55.0 ) ); + res = opU( res, vec2( sdTorus82( pos-vec3( 0.0,0.25, 2.0), vec2(0.20,0.05) ),50.0 ) ); + res = opU( res, vec2( sdTorus88( pos-vec3(-1.0,0.25, 2.0), vec2(0.20,0.05) ),43.0 ) ); + res = opU( res, vec2( sdCylinder6( pos-vec3( 1.0,0.30, 2.0), vec2(0.1,0.2) ), 12.0 ) ); + res = opU( res, vec2( sdHexPrism( pos-vec3(-1.0,0.20, 1.0), vec2(0.25,0.05) ),17.0 ) ); + res = opU( res, vec2( sdPryamid4( pos-vec3(-1.0,0.15,-2.0), vec3(0.8,0.6,0.25) ),37.0 ) ); + res = opU( res, vec2( opS( udRoundBox( pos-vec3(-2.0,0.2, 1.0), vec3(0.15),0.05), + sdSphere( pos-vec3(-2.0,0.2, 1.0), 0.25)), 13.0 ) ); + res = opU( res, vec2( opS( sdTorus82( pos-vec3(-2.0,0.2, 0.0), vec2(0.20,0.1)), + sdCylinder( opRep( vec3(atan(pos.x+2.0,pos.z)/6.2831, pos.y, 0.02+0.5*length(pos-vec3(-2.0,0.2, 0.0))), vec3(0.05,1.0,0.05)), vec2(0.02,0.6))), 51.0 ) ); + res = opU( res, vec2( 0.5*sdSphere( pos-vec3(-2.0,0.25,-1.0), 0.2 ) + 0.03*sin(50.0*pos.x)*sin(50.0*pos.y)*sin(50.0*pos.z), 65.0 ) ); + res = opU( res, vec2( 0.5*sdTorus( opTwist(pos-vec3(-2.0,0.25, 2.0)),vec2(0.20,0.05)), 46.7 ) ); + res = opU( res, vec2( sdConeSection( pos-vec3( 0.0,0.35,-2.0), 0.15, 0.2, 0.1 ), 13.67 ) ); + res = opU( res, vec2( sdEllipsoid( pos-vec3( 1.0,0.35,-2.0), vec3(0.15, 0.2, 0.05) ), 43.17 ) ); + + return res; +} + +vec2 castRay( in vec3 ro, in vec3 rd ) +{ + float tmin = 0.2; + float tmax = 30.0; + +#if 1 + // bounding volume + float tp1 = (0.0-ro.y)/rd.y; if( tp1>0.0 ) tmax = min( tmax, tp1 ); + float tp2 = (1.6-ro.y)/rd.y; if( tp2>0.0 ) { if( ro.y>1.6 ) tmin = max( tmin, tp2 ); + else tmax = min( tmax, tp2 ); } +#endif + + float t = tmin; + float m = -1.0; + for( int i=0; i<64; i++ ) + { + float precis = 0.0005*t; + vec2 res = map( ro+rd*t ); + if( res.x<precis || t>tmax ) break; + t += res.x; + m = res.y; + } + + if( t>tmax ) m=-1.0; + return vec2( t, m ); +} + + +float calcSoftshadow( in vec3 ro, in vec3 rd, in float mint, in float tmax ) +{ + float res = 1.0; + float t = mint; + for( int i=0; i<16; i++ ) + { + float h = map( ro + rd*t ).x; + res = min( res, 8.0*h/t ); + t += clamp( h, 0.02, 0.10 ); + if( h<0.001 || t>tmax ) break; + } + return clamp( res, 0.0, 1.0 ); +} + +vec3 calcNormal( in vec3 pos ) +{ + vec2 e = vec2(1.0,-1.0)*0.5773*0.0005; + return normalize( e.xyy*map( pos + e.xyy ).x + + e.yyx*map( pos + e.yyx ).x + + e.yxy*map( pos + e.yxy ).x + + e.xxx*map( pos + e.xxx ).x ); + /* + vec3 eps = vec3( 0.0005, 0.0, 0.0 ); + vec3 nor = vec3( + map(pos+eps.xyy).x - map(pos-eps.xyy).x, + map(pos+eps.yxy).x - map(pos-eps.yxy).x, + map(pos+eps.yyx).x - map(pos-eps.yyx).x ); + return normalize(nor); + */ +} + +float calcAO( in vec3 pos, in vec3 nor ) +{ + float occ = 0.0; + float sca = 1.0; + for( int i=0; i<5; i++ ) + { + float hr = 0.01 + 0.12*float(i)/4.0; + vec3 aopos = nor * hr + pos; + float dd = map( aopos ).x; + occ += -(dd-hr)*sca; + sca *= 0.95; + } + return clamp( 1.0 - 3.0*occ, 0.0, 1.0 ); +} + +// http://iquilezles.org/www/articles/checkerfiltering/checkerfiltering.htm +float checkersGradBox( in vec2 p ) +{ + // filter kernel + vec2 w = fwidth(p) + 0.001; + // analytical integral (box filter) + vec2 i = 2.0*(abs(fract((p-0.5*w)*0.5)-0.5)-abs(fract((p+0.5*w)*0.5)-0.5))/w; + // xor pattern + return 0.5 - 0.5*i.x*i.y; +} + +vec3 render( in vec3 ro, in vec3 rd ) +{ + vec3 col = vec3(0.7, 0.9, 1.0) +rd.y*0.8; + vec2 res = castRay(ro,rd); + float t = res.x; + float m = res.y; + if( m>-0.5 ) + { + vec3 pos = ro + t*rd; + vec3 nor = calcNormal( pos ); + vec3 ref = reflect( rd, nor ); + + // material + col = 0.45 + 0.35*sin( vec3(0.05,0.08,0.10)*(m-1.0) ); + if( m<1.5 ) + { + + float f = checkersGradBox( 5.0*pos.xz ); + col = 0.3 + f*vec3(0.1); + } + + // lighting + float occ = calcAO( pos, nor ); + vec3 lig = normalize( vec3(cos(-0.4 * runTime), sin(0.7 * runTime), -0.6) ); + vec3 hal = normalize( lig-rd ); + float amb = clamp( 0.5+0.5*nor.y, 0.0, 1.0 ); + float dif = clamp( dot( nor, lig ), 0.0, 1.0 ); + float bac = clamp( dot( nor, normalize(vec3(-lig.x,0.0,-lig.z))), 0.0, 1.0 )*clamp( 1.0-pos.y,0.0,1.0); + float dom = smoothstep( -0.1, 0.1, ref.y ); + float fre = pow( clamp(1.0+dot(nor,rd),0.0,1.0), 2.0 ); + + dif *= calcSoftshadow( pos, lig, 0.02, 2.5 ); + dom *= calcSoftshadow( pos, ref, 0.02, 2.5 ); + + float spe = pow( clamp( dot( nor, hal ), 0.0, 1.0 ),16.0)* + dif * + (0.04 + 0.96*pow( clamp(1.0+dot(hal,rd),0.0,1.0), 5.0 )); + + vec3 lin = vec3(0.0); + lin += 1.30*dif*vec3(1.00,0.80,0.55); + lin += 0.40*amb*vec3(0.40,0.60,1.00)*occ; + lin += 0.50*dom*vec3(0.40,0.60,1.00)*occ; + lin += 0.50*bac*vec3(0.25,0.25,0.25)*occ; + lin += 0.25*fre*vec3(1.00,1.00,1.00)*occ; + col = col*lin; + col += 10.00*spe*vec3(1.00,0.90,0.70); + + col = mix( col, vec3(0.8,0.9,1.0), 1.0-exp( -0.0002*t*t*t ) ); + } + + return vec3( clamp(col,0.0,1.0) ); +} + +mat3 setCamera( in vec3 ro, in vec3 ta, float cr ) +{ + vec3 cw = normalize(ta-ro); + vec3 cp = vec3(sin(cr), cos(cr),0.0); + vec3 cu = normalize( cross(cw,cp) ); + vec3 cv = normalize( cross(cu,cw) ); + return mat3( cu, cv, cw ); +} + +void main() +{ + vec3 tot = vec3(0.0); +#if AA>1 + for( int m=0; m<AA; m++ ) + for( int n=0; n<AA; n++ ) + { + // pixel coordinates + vec2 o = vec2(float(m),float(n)) / float(AA) - 0.5; + vec2 p = (-resolution.xy + 2.0*(gl_FragCoord.xy+o))/resolution.y; +#else + vec2 p = (-resolution.xy + 2.0*gl_FragCoord.xy)/resolution.y; +#endif + + // RAY: Camera is provided from raylib + //vec3 ro = vec3( -0.5+3.5*cos(0.1*time + 6.0*mo.x), 1.0 + 2.0*mo.y, 0.5 + 4.0*sin(0.1*time + 6.0*mo.x) ); + + vec3 ro = viewEye; + vec3 ta = viewCenter; + + // camera-to-world transformation + mat3 ca = setCamera( ro, ta, 0.0 ); + // ray direction + vec3 rd = ca * normalize( vec3(p.xy,2.0) ); + + // render + vec3 col = render( ro, rd ); + + // gamma + col = pow( col, vec3(0.4545) ); + + tot += col; +#if AA>1 + } + tot /= float(AA*AA); +#endif + + finalColor = vec4( tot, 1.0 ); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/reload.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/reload.fs new file mode 100644 index 0000000..59fdcba --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/reload.fs @@ -0,0 +1,40 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; // Texture coordinates (sampler2D) +in vec4 fragColor; // Tint color + +// Output fragment color +out vec4 finalColor; // Output fragment color + +// Uniform inputs +uniform vec2 resolution; // Viewport resolution (in pixels) +uniform vec2 mouse; // Mouse pixel xy coordinates +uniform float time; // Total run time (in secods) + +// Draw circle +vec4 DrawCircle(vec2 fragCoord, vec2 position, float radius, vec3 color) +{ + float d = length(position - fragCoord) - radius; + float t = clamp(d, 0.0, 1.0); + return vec4(color, 1.0 - t); +} + +void main() +{ + vec2 fragCoord = gl_FragCoord.xy; + vec2 position = vec2(mouse.x, resolution.y - mouse.y); + float radius = 40.0; + + // Draw background layer + vec4 colorA = vec4(0.2,0.2,0.8, 1.0); + vec4 colorB = vec4(1.0,0.7,0.2, 1.0); + vec4 layer1 = mix(colorA, colorB, abs(sin(time*0.1))); + + // Draw circle layer + vec3 color = vec3(0.9, 0.16, 0.21); + vec4 layer2 = DrawCircle(fragCoord, position, radius, color); + + // Blend the two layers + finalColor = mix(layer1, layer2, layer2.a); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/scanlines.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/scanlines.fs new file mode 100644 index 0000000..2c4c6fd --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/scanlines.fs @@ -0,0 +1,49 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// Output fragment color +out vec4 finalColor; + +// NOTE: Add here your custom variables + +// NOTE: Render size values must be passed from code +const float renderWidth = 800; +const float renderHeight = 450; +float offset = 0.0; + +uniform float time; + +void main() +{ + float frequency = renderHeight/3.0; +/* + // Scanlines method 1 + float tval = 0; //time + vec2 uv = 0.5 + (fragTexCoord - 0.5)*(0.9 + 0.01*sin(0.5*tval)); + + vec4 color = texture(texture0, fragTexCoord); + + color = clamp(color*0.5 + 0.5*color*color*1.2, 0.0, 1.0); + color *= 0.5 + 0.5*16.0*uv.x*uv.y*(1.0 - uv.x)*(1.0 - uv.y); + color *= vec4(0.8, 1.0, 0.7, 1); + color *= 0.9 + 0.1*sin(10.0*tval + uv.y*1000.0); + color *= 0.97 + 0.03*sin(110.0*tval); + + fragColor = color; +*/ + // Scanlines method 2 + float globalPos = (fragTexCoord.y + offset) * frequency; + float wavePos = cos((fract(globalPos) - 0.5)*3.14); + + // Texel color fetching from texture sampler + vec4 texelColor = texture(texture0, fragTexCoord); + + finalColor = mix(vec4(0.0, 0.3, 0.0, 0.0), texelColor, wavePos); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/shadowmap.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/shadowmap.fs new file mode 100644 index 0000000..506b51a --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/shadowmap.fs @@ -0,0 +1,86 @@ +#version 330 + +// This shader is based on the basic lighting shader +// This only supports one light, which is directional, and it (of course) supports shadows + +// Input vertex attributes (from vertex shader) +in vec3 fragPosition; +in vec2 fragTexCoord; +//in vec4 fragColor; +in vec3 fragNormal; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// Output fragment color +out vec4 finalColor; + +// Input lighting values +uniform vec3 lightDir; +uniform vec4 lightColor; +uniform vec4 ambient; +uniform vec3 viewPos; + +// Input shadowmapping values +uniform mat4 lightVP; // Light source view-projection matrix +uniform sampler2D shadowMap; + +uniform int shadowMapResolution; + +void main() +{ + // Texel color fetching from texture sampler + vec4 texelColor = texture(texture0, fragTexCoord); + vec3 lightDot = vec3(0.0); + vec3 normal = normalize(fragNormal); + vec3 viewD = normalize(viewPos - fragPosition); + vec3 specular = vec3(0.0); + + vec3 l = -lightDir; + + float NdotL = max(dot(normal, l), 0.0); + lightDot += lightColor.rgb*NdotL; + + float specCo = 0.0; + if (NdotL > 0.0) specCo = pow(max(0.0, dot(viewD, reflect(-(l), normal))), 16.0); // 16 refers to shine + specular += specCo; + + finalColor = (texelColor*((colDiffuse + vec4(specular, 1.0))*vec4(lightDot, 1.0))); + + // Shadow calculations + vec4 fragPosLightSpace = lightVP * vec4(fragPosition, 1); + fragPosLightSpace.xyz /= fragPosLightSpace.w; // Perform the perspective division + fragPosLightSpace.xyz = (fragPosLightSpace.xyz + 1.0f) / 2.0f; // Transform from [-1, 1] range to [0, 1] range + vec2 sampleCoords = fragPosLightSpace.xy; + float curDepth = fragPosLightSpace.z; + // Slope-scale depth bias: depth biasing reduces "shadow acne" artifacts, where dark stripes appear all over the scene. + // The solution is adding a small bias to the depth + // In this case, the bias is proportional to the slope of the surface, relative to the light + float bias = max(0.0002 * (1.0 - dot(normal, l)), 0.00002) + 0.00001; + int shadowCounter = 0; + const int numSamples = 9; + // PCF (percentage-closer filtering) algorithm: + // Instead of testing if just one point is closer to the current point, + // we test the surrounding points as well. + // This blurs shadow edges, hiding aliasing artifacts. + vec2 texelSize = vec2(1.0f / float(shadowMapResolution)); + for (int x = -1; x <= 1; x++) + { + for (int y = -1; y <= 1; y++) + { + float sampleDepth = texture(shadowMap, sampleCoords + texelSize * vec2(x, y)).r; + if (curDepth - bias > sampleDepth) + { + shadowCounter++; + } + } + } + finalColor = mix(finalColor, vec4(0, 0, 0, 1), float(shadowCounter) / float(numSamples)); + + // Add ambient lighting whether in shadow or not + finalColor += texelColor*(ambient/10.0)*colDiffuse; + + // Gamma correction + finalColor = pow(finalColor, vec4(1.0/2.2)); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/shadowmap.vs b/deps/raylib/examples/shaders/resources/shaders/glsl330/shadowmap.vs new file mode 100644 index 0000000..f8ec45f --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/shadowmap.vs @@ -0,0 +1,32 @@ +#version 330 + +// Input vertex attributes +in vec3 vertexPosition; +in vec2 vertexTexCoord; +in vec3 vertexNormal; +in vec4 vertexColor; + +// Input uniform values +uniform mat4 mvp; +uniform mat4 matModel; +uniform mat4 matNormal; + +// Output vertex attributes (to fragment shader) +out vec3 fragPosition; +out vec2 fragTexCoord; +out vec4 fragColor; +out vec3 fragNormal; + +// NOTE: Add here your custom variables + +void main() +{ + // Send vertex attributes to fragment shader + fragPosition = vec3(matModel*vec4(vertexPosition, 1.0)); + fragTexCoord = vertexTexCoord; + fragColor = vertexColor; + fragNormal = normalize(vec3(matNormal*vec4(vertexNormal, 1.0))); + + // Calculate final vertex position + gl_Position = mvp*vec4(vertexPosition, 1.0); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/sobel.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/sobel.fs new file mode 100644 index 0000000..f76e9ca --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/sobel.fs @@ -0,0 +1,41 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// Output fragment color +out vec4 finalColor; + +// NOTE: Add here your custom variables +uniform vec2 resolution = vec2(800, 450); + +void main() +{ + float x = 1.0/resolution.x; + float y = 1.0/resolution.y; + + vec4 horizEdge = vec4(0.0); + horizEdge -= texture2D(texture0, vec2(fragTexCoord.x - x, fragTexCoord.y - y))*1.0; + horizEdge -= texture2D(texture0, vec2(fragTexCoord.x - x, fragTexCoord.y ))*2.0; + horizEdge -= texture2D(texture0, vec2(fragTexCoord.x - x, fragTexCoord.y + y))*1.0; + horizEdge += texture2D(texture0, vec2(fragTexCoord.x + x, fragTexCoord.y - y))*1.0; + horizEdge += texture2D(texture0, vec2(fragTexCoord.x + x, fragTexCoord.y ))*2.0; + horizEdge += texture2D(texture0, vec2(fragTexCoord.x + x, fragTexCoord.y + y))*1.0; + + vec4 vertEdge = vec4(0.0); + vertEdge -= texture2D(texture0, vec2(fragTexCoord.x - x, fragTexCoord.y - y))*1.0; + vertEdge -= texture2D(texture0, vec2(fragTexCoord.x , fragTexCoord.y - y))*2.0; + vertEdge -= texture2D(texture0, vec2(fragTexCoord.x + x, fragTexCoord.y - y))*1.0; + vertEdge += texture2D(texture0, vec2(fragTexCoord.x - x, fragTexCoord.y + y))*1.0; + vertEdge += texture2D(texture0, vec2(fragTexCoord.x , fragTexCoord.y + y))*2.0; + vertEdge += texture2D(texture0, vec2(fragTexCoord.x + x, fragTexCoord.y + y))*1.0; + + vec3 edge = sqrt((horizEdge.rgb*horizEdge.rgb) + (vertEdge.rgb*vertEdge.rgb)); + + finalColor = vec4(edge, texture2D(texture0, fragTexCoord).a); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/spotlight.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/spotlight.fs new file mode 100644 index 0000000..02cddf4 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/spotlight.fs @@ -0,0 +1,65 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec4 fragColor; + +// Output fragment color +out vec4 finalColor; + +// NOTE: Add here your custom variables + +#define MAX_SPOTS 3 + +struct Spot { + vec2 pos; // window coords of spot + float inner; // inner fully transparent centre radius + float radius; // alpha fades out to this radius +}; + +uniform Spot spots[MAX_SPOTS]; // Spotlight positions array +uniform float screenWidth; // Width of the screen + +void main() +{ + float alpha = 1.0; + + // Get the position of the current fragment (screen coordinates!) + vec2 pos = vec2(gl_FragCoord.x, gl_FragCoord.y); + + // Find out which spotlight is nearest + float d = 65000; // some high value + int fi = -1; // found index + + for (int i = 0; i < MAX_SPOTS; i++) + { + for (int j = 0; j < MAX_SPOTS; j++) + { + float dj = distance(pos, spots[j].pos) - spots[j].radius + spots[i].radius; + + if (d > dj) + { + d = dj; + fi = i; + } + } + } + + // d now equals distance to nearest spot... + // allowing for the different radii of all spotlights + if (fi != -1) + { + if (d > spots[fi].radius) alpha = 1.0; + else + { + if (d < spots[fi].inner) alpha = 0.0; + else alpha = (d - spots[fi].inner) / (spots[fi].radius - spots[fi].inner); + } + } + + // Right hand side of screen is dimly lit, + // could make the threshold value user definable + if ((pos.x > screenWidth/2.0) && (alpha > 0.9)) alpha = 0.9; + + finalColor = vec4(0, 0, 0, alpha); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/swirl.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/swirl.fs new file mode 100644 index 0000000..bb0732c --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/swirl.fs @@ -0,0 +1,47 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// Output fragment color +out vec4 finalColor; + +// NOTE: Add here your custom variables + +// NOTE: Render size values should be passed from code +const float renderWidth = 800; +const float renderHeight = 450; + +float radius = 250.0; +float angle = 0.8; + +uniform vec2 center = vec2(200.0, 200.0); + +void main() +{ + vec2 texSize = vec2(renderWidth, renderHeight); + vec2 tc = fragTexCoord*texSize; + tc -= center; + + float dist = length(tc); + + if (dist < radius) + { + float percent = (radius - dist)/radius; + float theta = percent*percent*angle*8.0; + float s = sin(theta); + float c = cos(theta); + + tc = vec2(dot(tc, vec2(c, -s)), dot(tc, vec2(s, c))); + } + + tc += center; + vec4 color = texture2D(texture0, tc/texSize)*colDiffuse*fragColor;; + + finalColor = vec4(color.rgb, 1.0);; +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/tiling.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/tiling.fs new file mode 100644 index 0000000..6e7f524 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/tiling.fs @@ -0,0 +1,14 @@ +#version 330 core + +uniform sampler2D diffuseMap; +uniform vec2 tiling; + +in vec2 fragTexCoord; + +out vec4 fragColor; + +void main() +{ + vec2 texCoord = fragTexCoord * tiling; + fragColor = texture(diffuseMap, texCoord); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/vertex_displacement.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/vertex_displacement.fs new file mode 100644 index 0000000..424f526 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/vertex_displacement.fs @@ -0,0 +1,16 @@ +#version 330 + +// Input fragment attributes (from fragment shader) +in vec2 fragTexCoord; +in float height; + +// Output fragment color +out vec4 finalColor; + +void main() +{ + vec4 darkblue = vec4(0.0, 0.13, 0.18, 1.0); + vec4 lightblue = vec4(1.0, 1.0, 1.0, 1.0); + // interplate between two colors based on height + finalColor = mix(darkblue, lightblue, height); +}
\ No newline at end of file diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/vertex_displacement.vs b/deps/raylib/examples/shaders/resources/shaders/glsl330/vertex_displacement.vs new file mode 100644 index 0000000..73cf161 --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/vertex_displacement.vs @@ -0,0 +1,46 @@ +#version 330 + +// Input vertex attributes +in vec3 vertexPosition; +in vec2 vertexTexCoord; +in vec3 vertexNormal; +in vec4 vertexColor; + +// Input uniform values +uniform mat4 mvp; +uniform mat4 matModel; +uniform mat4 matNormal; + +uniform float time; + +uniform sampler2D perlinNoiseMap; + +// Output vertex attributes (to fragment shader) +out vec3 fragPosition; +out vec2 fragTexCoord; +out vec3 fragNormal; +out float height; + +void main() +{ + // Calculate animated texture coordinates based on time and vertex position + vec2 animatedTexCoord = sin(vertexTexCoord + vec2(sin(time + vertexPosition.x * 0.1), cos(time + vertexPosition.z * 0.1)) * 0.3); + + // Normalize animated texture coordinates to range [0, 1] + animatedTexCoord = animatedTexCoord * 0.5 + 0.5; + + // Fetch displacement from the perlin noise map + float displacement = texture(perlinNoiseMap, animatedTexCoord).r * 7; // Amplified displacement + + // Displace vertex position + vec3 displacedPosition = vertexPosition + vec3(0.0, displacement, 0.0); + + // Send vertex attributes to fragment shader + fragPosition = vec3(matModel*vec4(displacedPosition, 1.0)); + fragTexCoord = vertexTexCoord; + fragNormal = normalize(vec3(matNormal*vec4(vertexNormal, 1.0))); + height = displacedPosition.y * 0.2; // send height to fragment shader for coloring + + // Calculate final vertex position + gl_Position = mvp*vec4(displacedPosition , 1.0); +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/wave.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/wave.fs new file mode 100644 index 0000000..1f22bee --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/wave.fs @@ -0,0 +1,37 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// Output fragment color +out vec4 finalColor; + +uniform float seconds; + +uniform vec2 size; + +uniform float freqX; +uniform float freqY; +uniform float ampX; +uniform float ampY; +uniform float speedX; +uniform float speedY; + +void main() { + float pixelWidth = 1.0 / size.x; + float pixelHeight = 1.0 / size.y; + float aspect = pixelHeight / pixelWidth; + float boxLeft = 0.0; + float boxTop = 0.0; + + vec2 p = fragTexCoord; + p.x += cos((fragTexCoord.y - boxTop) * freqX / ( pixelWidth * 750.0) + (seconds * speedX)) * ampX * pixelWidth; + p.y += sin((fragTexCoord.x - boxLeft) * freqY * aspect / ( pixelHeight * 750.0) + (seconds * speedY)) * ampY * pixelHeight; + + finalColor = texture(texture0, p)*colDiffuse*fragColor; +} diff --git a/deps/raylib/examples/shaders/resources/shaders/glsl330/write_depth.fs b/deps/raylib/examples/shaders/resources/shaders/glsl330/write_depth.fs new file mode 100644 index 0000000..f0e07be --- /dev/null +++ b/deps/raylib/examples/shaders/resources/shaders/glsl330/write_depth.fs @@ -0,0 +1,20 @@ +#version 330 + +// Input vertex attributes (from vertex shader) +in vec2 fragTexCoord; +in vec4 fragColor; + +// Input uniform values +uniform sampler2D texture0; +uniform vec4 colDiffuse; + +// Output fragment color +out vec4 finalColor; + +void main() +{ + vec4 texelColor = texture(texture0, fragTexCoord); + + finalColor = texelColor*colDiffuse*fragColor; + gl_FragDepth = 1.0 - finalColor.z; +} |