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Updated shaders with comments

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raysan5
2016-05-18 12:04:27 +02:00
parent 0e29aa2951
commit bc08271da3
34 changed files with 294 additions and 158 deletions
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23
shaders/glsl330/posterization.fs
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@ -1,12 +1,16 @@
#version 330
// Input vertex attributes (from vertex shader)
in vec2 fragTexCoord;
in vec4 fragColor;
out vec4 fragColor;
// Input uniform values
uniform sampler2D texture0;
uniform vec4 fragTintColor;
// Output fragment color
out vec4 finalColor;
// NOTE: Add here your custom variables
float gamma = 0.6;
@ -14,13 +18,14 @@ float numColors = 8.0;
void main()
{
vec3 color = texture(texture0, fragTexCoord.xy).rgb;
// Texel color fetching from texture sampler
vec3 texelColor = texture(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));
texelColor = pow(texelColor, vec3(gamma, gamma, gamma));
texelColor = texelColor*numColors;
texelColor = floor(texelColor);
texelColor = texelColor/numColors;
texelColor = pow(texelColor, vec3(1.0/gamma));
fragColor = vec4(color, 1.0);
finalColor = vec4(texelColor, 1.0);
}