wehub-resource-sync
60 lines
2.1 KiB
Plaintext
60 lines
2.1 KiB
Plaintext
#version 460 core
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layout(std430) uniform;
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layout(set=0, binding=0, rgba8ui) writeonly mediump uniform uimage2D uOutput;
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layout(set=0, binding=1) uniform mediump usampler3D uInput;
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layout(set=0, binding=2) readonly uniform constBuffer {
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ivec2 pad;
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ivec2 kernelSize;
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ivec2 stride;
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ivec2 dilate;
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ivec4 inputSize;
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ivec4 outputSize;
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uint inputZero;
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} uConstant;
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layout (local_size_x = 16, local_size_y = 16, local_size_z = 1) in;
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#define UP_DIV(x, y) (((x)+(y)-1)/(y))
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void main()
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{
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ivec3 pos = ivec3(gl_GlobalInvocationID);
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ivec3 inputSize = uConstant.inputSize.xyz;
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ivec3 outputSize = uConstant.outputSize.xyz;
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if (pos.x < outputSize.x && pos.y < outputSize.y)
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{
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ivec2 s0 = pos.xy*uConstant.stride-uConstant.pad;
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ivec2 sfxy = max(ivec2(0), (UP_DIV(-s0, uConstant.dilate)));
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ivec2 efxy = min(uConstant.kernelSize, UP_DIV(inputSize.xy-s0, uConstant.dilate));
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int fz = pos.z % uConstant.inputSize.z;
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int sb = pos.z / uConstant.inputSize.z;
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uvec4 inputZero = uvec4(uConstant.inputZero);
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int destYOrigin = pos.x + pos.y*uConstant.outputSize.x + sb*uConstant.outputSize.x*uConstant.outputSize.y;
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int destY = destYOrigin / 4;
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int destXOffset = destYOrigin % 4;
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for (int fy=0; fy<uConstant.kernelSize.y; ++fy)
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{
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int sy = fy*uConstant.dilate.y + s0.y;
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for (int fx=0; fx<uConstant.kernelSize.x; ++fx)
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{
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int sx = fx*uConstant.dilate.x + s0.x;
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int destX = 0
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+ fx
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+ fy*uConstant.kernelSize.x
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+ fz*uConstant.kernelSize.x * uConstant.kernelSize.y
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;
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uvec4 color = texelFetch(uInput, ivec3(sx, sy, pos.z), 0);
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bool valid = sx < uConstant.inputSize.x && sx >=0 && sy < uConstant.inputSize.y && sy >=0;
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bvec4 mask = bvec4(valid);
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color = mix(inputZero, color, mask);
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imageStore(uOutput, ivec2(4*destX+destXOffset, destY), color);
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}
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}
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}
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}
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