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74 lines
3.0 KiB
74 lines
3.0 KiB
#pragma warning(disable: 3556) // Integer divides might be much slower, try using uints if possible.
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#pragma warning(disable: 3205) // In the conversion from larger type to smaller, a loss of data might occur.
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#pragma warning(disable: 3571) // pow(f, e) will not work for negative f, use abs(f) or conditionally handle negative values if you expect them.
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#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Common.hlsl"
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/ShaderLibrary/ShaderVariables.hlsl"
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/Material/NormalBuffer.hlsl"
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#if defined(USE_TEXTURE2D_X_AS_ARRAY)
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#define UV_TEXTURE2D_X(uv) float3(uv, SLICE_ARRAY_INDEX)
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#define COORD_TEXTURE2D_X_LOD(coord, lod) uint4(coord, SLICE_ARRAY_INDEX, lod)
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#else
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#define UV_TEXTURE2D_X(uv) uv
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#define COORD_TEXTURE2D_X_LOD(coord, lod) uint3(coord, lod)
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#endif
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float4 FFX_CACAO_Prepare_SampleDepthOffsets_Unity(float2 uv)
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{
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float4 samples;
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samples.x = _CameraDepthTexture.SampleLevel(s_point_clamp_sampler, UV_TEXTURE2D_X(uv), 0.0f, int2(0, 2)).r;
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samples.y = _CameraDepthTexture.SampleLevel(s_point_clamp_sampler, UV_TEXTURE2D_X(uv), 0.0f, int2(2, 2)).r;
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samples.z = _CameraDepthTexture.SampleLevel(s_point_clamp_sampler, UV_TEXTURE2D_X(uv), 0.0f, int2(2, 0)).r;
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samples.w = _CameraDepthTexture.SampleLevel(s_point_clamp_sampler, UV_TEXTURE2D_X(uv), 0.0f, int2(0, 0)).r;
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return samples;
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}
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float4 FFX_CACAO_Prepare_GatherDepth_Unity(float2 uv)
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{
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return _CameraDepthTexture.GatherRed(s_point_clamp_sampler, UV_TEXTURE2D_X(uv));
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}
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float FFX_CACAO_Prepare_LoadDepth_Unity(int2 coord)
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{
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return _CameraDepthTexture.Load(COORD_TEXTURE2D_X_LOD(coord, 0)).r;
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}
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float FFX_CACAO_Prepare_LoadDepthOffset_Unity(int2 coord, int2 offset)
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{
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return _CameraDepthTexture.Load(COORD_TEXTURE2D_X_LOD(coord, 0), offset).r;
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}
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float4 FFX_CACAO_Prepare_GatherDepthOffset_Unity(float2 uv, int2 offset)
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{
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return _CameraDepthTexture.GatherRed(s_point_clamp_sampler, UV_TEXTURE2D_X(uv), offset);
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}
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float4 FFX_CACAO_BilateralUpscale_LoadDepths_Unity(int2 coord)
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{
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float4 depths;
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depths.x = _CameraDepthTexture.Load(COORD_TEXTURE2D_X_LOD(coord, 0), int2(0, 0)).r;
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depths.y = _CameraDepthTexture.Load(COORD_TEXTURE2D_X_LOD(coord, 0), int2(1, 0)).r;
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depths.z = _CameraDepthTexture.Load(COORD_TEXTURE2D_X_LOD(coord, 0), int2(0, 1)).r;
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depths.w = _CameraDepthTexture.Load(COORD_TEXTURE2D_X_LOD(coord, 0), int2(1, 1)).r;
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return depths;
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}
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float3 LoadSceneNormals_Unity(int2 coord)
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{
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NormalData normalData;
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DecodeFromNormalBuffer(coord, normalData);
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return normalData.normalWS;
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}
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RW_TEXTURE2D_X(float, _OcclusionTexture);
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void FFX_CACAO_Apply_StoreOutput_Unity(uint2 coord, float val)
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{
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_OcclusionTexture[COORD_TEXTURE2D_X(coord)] = 1.0 - val;
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}
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void FFX_CACAO_BilateralUpscale_StoreOutput_Unity(uint2 coord, int2 offset, float val)
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{
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_OcclusionTexture[COORD_TEXTURE2D_X(coord + offset)] = 1.0 - val;
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}
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