51 lines
1.2 KiB
Plaintext
51 lines
1.2 KiB
Plaintext
#pragma warning(disable : 3568)
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#pragma exclude_renderers gles gles3 d3d11_9x
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#include "Packages/com.unity.postprocessing/PostProcessing/Shaders/StdLib.hlsl"
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#pragma kernel KTexture3DLerp
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#pragma kernel KTexture3DLerpToColor
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RWTexture3D<float4> _Output;
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CBUFFER_START(Params)
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float4 _DimensionsAndLerp; // xyz: surface dimensions, w: lerp factor
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float4 _TargetColor; // Color to lerp into
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CBUFFER_END
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Texture3D _From;
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Texture3D _To;
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#define GROUP_SIZE 4
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#ifdef DISABLE_COMPUTE_SHADERS
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TRIVIAL_COMPUTE_KERNEL(KTexture3DLerp)
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TRIVIAL_COMPUTE_KERNEL(KTexture3DLerpToColor)
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#else
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[numthreads(GROUP_SIZE, GROUP_SIZE, GROUP_SIZE)]
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void KTexture3DLerp(uint3 id : SV_DispatchThreadID)
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{
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if(all(float3(id) < _DimensionsAndLerp.xyz))
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{
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float4 from = _From[id];
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float4 to = _To[id];
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_Output[id] = lerp(from, to, _DimensionsAndLerp.wwww);
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}
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}
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[numthreads(GROUP_SIZE, GROUP_SIZE, GROUP_SIZE)]
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void KTexture3DLerpToColor(uint3 id : SV_DispatchThreadID)
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{
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if(all(float3(id) < _DimensionsAndLerp.xyz))
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{
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float4 from = _From[id];
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float4 to = _TargetColor;
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_Output[id] = lerp(from, to, _DimensionsAndLerp.wwww);
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}
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}
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#endif // DISABLE_COMPUTE_SHADERS
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