48 lines
1.4 KiB
HLSL
48 lines
1.4 KiB
HLSL
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#ifndef DEPTH_OF_FIELD_COMMON
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#define DEPTH_OF_FIELD_COMMON
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#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/TextureXR.hlsl"
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/ShaderLibrary/ShaderVariables.hlsl"
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struct TileData
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{
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uint position;
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};
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uint PackKernelCoord(float2 coords)
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{
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return uint(f32tof16(coords.x) | f32tof16(coords.y) << 16);
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}
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float2 UnpackKernelCoord(StructuredBuffer<uint> kernel, uint id)
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{
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uint coord = kernel[id];
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return float2(f16tof32(coord), f16tof32(coord >> 16));
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}
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uint PackTileCoord(uint2 coord)
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{
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return (coord.x << 16u) | coord.y;
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}
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uint2 UnpackTileCoord(TileData tile)
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{
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uint pos = tile.position;
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return uint2((pos >> 16u) & 0xffff, pos & 0xffff);
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}
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float CameraDepth(TEXTURE2D_X(depthMinMaxAvg), uint2 pixelCoords)
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{
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pixelCoords = FromOutputPosSSToPreupsamplePosSS(pixelCoords);
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#ifndef USE_MIN_DEPTH
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return LoadCameraDepth(pixelCoords);
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#else
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// When MSAA is enabled, DoF should use the min depth of the MSAA samples to avoid 1-pixel ringing around in-focus objects [case 1347291]
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// Since the transparent depth pre-pass is not using MSAA and it's not included in the _DepthMinMaxAvg texture, we manually compute the min against the standard depth pyramid
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return min(LOAD_TEXTURE2D_X_LOD(depthMinMaxAvg, pixelCoords, 0).g, LoadCameraDepth(pixelCoords));
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#endif
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}
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#endif // DEPTH_OF_FIELD_COMMON
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