Turanszki Janos
37 lines
1.1 KiB
HLSL
37 lines
1.1 KiB
HLSL
#include "globals.hlsli"
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#include "ShaderInterop_Postprocess.h"
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TEXTURE2D(tile_mindepth_maxcoc_horizontal, float2, TEXSLOT_ONDEMAND0);
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TEXTURE2D(tile_mincoc_horizontal, float, TEXSLOT_ONDEMAND1);
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RWTEXTURE2D(mindepth_maxcoc, float2, 0);
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RWTEXTURE2D(mincoc, float, 1);
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[numthreads(POSTPROCESS_BLOCKSIZE, POSTPROCESS_BLOCKSIZE, 1)]
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void main(uint3 DTid : SV_DispatchThreadID)
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{
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const uint2 tile_upperleft = uint2(DTid.x, DTid.y * DEPTHOFFIELD_TILESIZE);
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float min_depth = 1;
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float max_coc = 0;
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float min_coc = 1000000;
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int2 dim;
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tile_mindepth_maxcoc_horizontal.GetDimensions(dim.x, dim.y);
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[loop]
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for (uint i = 0; i < DEPTHOFFIELD_TILESIZE; ++i)
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{
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const int2 pixel = uint2(tile_upperleft.x, tile_upperleft.y + i);
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if (pixel.x >= 0 && pixel.y >= 0 && pixel.x < dim.x && pixel.y < dim.y)
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{
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const float2 mindepth_maxcoc = tile_mindepth_maxcoc_horizontal[pixel];
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min_depth = min(min_depth, mindepth_maxcoc.x);
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max_coc = max(max_coc, mindepth_maxcoc.y);
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min_coc = min(min_coc, tile_mincoc_horizontal[pixel]);
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}
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}
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mindepth_maxcoc[DTid.xy] = float2(min_depth, max_coc);
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mincoc[DTid.xy] = min_coc;
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}
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