108 lines
2 KiB
Text
108 lines
2 KiB
Text
#version 450
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layout(push_constant)uniform Push
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{
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vec4 SourceSize;
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vec4 OriginalSize;
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vec4 OutputSize;
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uint FrameCount;
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float SB_RED_THRESHOLD;
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float SB_GREEN_THRESHOLD;
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float SB_BLUE_THRESHOLD;
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} params;
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#pragma parameterSB_RED_THRESHOLD¡0.20.00.60.01
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#pragma parameterSB_GREEN_THRESHOLD¡0.20.00.60.01
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#pragma parameterSB_BLUE_THRESHOLD¡0.20.00.60.01
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layout(std140, set = 0, binding = 0)uniform UBO
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{
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mat4 MVP;
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} global;
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#pragma stagevertex
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layout(location = 0)in vec4 Position;
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layout(location = 1)in vec2 TexCoord;
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layout(location = 0)out vec2 vTexCoord;
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layout(location = 1)out vec4 t1;
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layout(location = 2)out vec4 t2;
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layout(location = 3)out vec4 t3;
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void main()
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{
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gl_Position = global . MVP * Position;
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vTexCoord = TexCoord;
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float dx = params . SourceSize . z;
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float dy = params . SourceSize . w;
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t1 = vTexCoord . xxxy + vec4(- dx, 0.0, dx, - dy);
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t2 = vTexCoord . xxxy + vec4(- dx, 0.0, dx, 0.0);
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t3 = vTexCoord . xxxy + vec4(- dx, 0.0, dx, dy);
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}
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#pragma stagefragment
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layout(location = 0)in vec2 vTexCoord;
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layout(location = 1)in vec4 t1;
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layout(location = 2)in vec4 t2;
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layout(location = 3)in vec4 t3;
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layout(location = 0)out vec4 FragColor;
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layout(set = 0, binding = 2)uniform sampler2D Source;
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bool eq(vec3 c1, vec3 c2){
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vec3 df = abs(c1 - c2);
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return(df . r < params . SB_RED_THRESHOLD)&&(df . g < params . SB_GREEN_THRESHOLD)&&(df . b < params . SB_BLUE_THRESHOLD);
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}
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void main()
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{
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vec3 A = texture(Source, t1 . xw). xyz;
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vec3 B = texture(Source, t1 . yw). xyz;
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vec3 C = texture(Source, t1 . zw). xyz;
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vec3 D = texture(Source, t2 . xw). xyz;
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vec3 E = texture(Source, t2 . yw). xyz;
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vec3 F = texture(Source, t2 . zw). xyz;
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vec3 G = texture(Source, t3 . xw). xyz;
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vec3 H = texture(Source, t3 . yw). xyz;
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vec3 I = texture(Source, t3 . zw). xyz;
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vec3 sum = vec3(0., 0., 0.);
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if(eq(E, F)&& eq(E, H)&& eq(E, I)&& eq(E, B)&& eq(E, C)&& eq(E, A)&& eq(E, D)&& eq(E, G))
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{
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sum =(E + A + C + D + F + G + I + B + H)/ 9.0;
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E = sum;
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}
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FragColor = vec4(E, 1.0);
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}
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