27 lines
446 B
GLSL
27 lines
446 B
GLSL
#version 140
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uniform sampler2D sampler;
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uniform vec4 modulation;
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uniform float saturation;
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in vec2 varyingTexCoords;
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out vec4 fragColor;
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void main()
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{
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vec4 tex = texture(sampler, varyingTexCoords);
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if (saturation != 1.0) {
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tex.rgb = mix(vec3(dot(vec3(0.30, 0.59, 0.11), tex.rgb)), tex.rgb, saturation);
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}
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tex *= modulation;
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#ifdef KWIN_SHADER_DEBUG
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tex.g = min(tex.g + 0.5, 1.0);
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#endif
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fragColor = tex;
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}
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