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31 wiersze
715 B
31 wiersze
715 B
#version 330
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// Input vertex attributes (from vertex shader)
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in vec2 fragTexCoord;
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in vec4 fragColor;
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// Input uniform values
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uniform sampler2D texture0;
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uniform vec4 colDiffuse;
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// Output fragment color
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out vec4 finalColor;
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// NOTE: Add here your custom variables
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float gamma = 0.6;
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float numColors = 8.0;
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void main()
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{
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// Texel color fetching from texture sampler
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vec3 texelColor = texture(texture0, fragTexCoord.xy).rgb;
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texelColor = pow(texelColor, vec3(gamma, gamma, gamma));
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texelColor = texelColor*numColors;
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texelColor = floor(texelColor);
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texelColor = texelColor/numColors;
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texelColor = pow(texelColor, vec3(1.0/gamma));
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finalColor = vec4(texelColor, 1.0);
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}
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