45 lines
No EOL
1 KiB
GLSL
45 lines
No EOL
1 KiB
GLSL
#version 330
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#define PI 3.14159265359
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uniform sampler2D renderedTexture;
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uniform float RenderScale;
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uniform bool First;
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uniform float Threshold;
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uniform bool Horizontal;
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uniform float[32] Weights;
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uniform int WeightCount;
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uniform float Power;
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layout(location = 0) out vec4 color;
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vec4 GetRenderColorOffset(vec2 offset);
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float brightness(vec3 c)
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{
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return max(max(c.r, c.g), c.b);
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}
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float bright;
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float GetWeight(int dif) {
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return Weights[dif];
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}
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void main() {
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vec3 thres = vec3(First ? Threshold : 0);
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vec2 tex_offset = 1.0 / textureSize(renderedTexture, 0) * vec2(Horizontal ? 1 : 0, Horizontal ? 0 : 1);
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vec3 result = max(GetRenderColorOffset(vec2(0)).rgb - thres, 0) * (First ? Power : 1);
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result *= GetWeight(0);
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for(int i = 1; i < WeightCount; i++) {
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result += max(GetRenderColorOffset(tex_offset * i).rgb - thres, 0) * (First ? Power : 1) * GetWeight(i);
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result += max(GetRenderColorOffset(-tex_offset * i).rgb - thres, 0) * (First ? Power : 1) * GetWeight(i);
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}
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color = vec4(result, 1);
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} |