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73aed239c3
* Implement non-MS to MS copies with draws, simplify MS to non-MS copies and supports any host sample count * Remove unused program
37 lines
1.2 KiB
Plaintext
37 lines
1.2 KiB
Plaintext
#version 450 core
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layout (std140, binding = 0) uniform sample_counts_log2_in
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{
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ivec4 sample_counts_log2;
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};
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layout (set = 2, binding = 0) uniform usampler2DMS srcMS;
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layout (set = 3, binding = 0) writeonly uniform uimage2D dst;
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layout (local_size_x = 32, local_size_y = 32, local_size_z = 1) in;
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void main()
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{
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uvec2 coords = gl_GlobalInvocationID.xy;
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ivec2 imageSz = imageSize(dst);
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if (int(coords.x) >= imageSz.x || int(coords.y) >= imageSz.y)
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{
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return;
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}
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int deltaX = sample_counts_log2.x - sample_counts_log2.z;
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int deltaY = sample_counts_log2.y - sample_counts_log2.w;
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int samplesInXLog2 = sample_counts_log2.z;
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int samplesInYLog2 = sample_counts_log2.w;
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int samplesInX = 1 << samplesInXLog2;
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int samplesInY = 1 << samplesInYLog2;
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int sampleIdx = ((int(coords.x) >> deltaX) & (samplesInX - 1)) | (((int(coords.y) >> deltaY) & (samplesInY - 1)) << samplesInXLog2);
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samplesInXLog2 = sample_counts_log2.x;
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samplesInYLog2 = sample_counts_log2.y;
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ivec2 shiftedCoords = ivec2(int(coords.x) >> samplesInXLog2, int(coords.y) >> samplesInYLog2);
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imageStore(dst, ivec2(coords), texelFetch(srcMS, shiftedCoords, sampleIdx));
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} |