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spd _SKIP_3_MIP

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This commit is contained in:
StarBeats 2025-06-25 12:16:54 +08:00
parent 3b95af03c8
commit e09d8137e5
2 changed files with 25 additions and 5 deletions
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15
Packages/com.unity.render-pipelines.universal@14.0.11/Runtime/OcclusionCulling/HierarchicalZOcclusionCullFeature.cs vendored
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@ -442,6 +442,12 @@ namespace X.Rendering.Feature
}, filterMode: FilterMode.Point, name: depthPyramidNames[hizIndex]);
depthPyramidTexs[hizIndex] = hizBuffer;
int kernelId = 0;
if (settings.SkipThreeMip)
{
kernelId = 1;
}
var dispatchX = Mathf.CeilToInt(mipOffsetAndSizes[0].z / 64f);
var dispatchY = Mathf.CeilToInt(mipOffsetAndSizes[0].w / 64f);
cmd.SetComputeIntParam(settings.Spd, "mips", mipLevelCount);
@ -451,11 +457,12 @@ namespace X.Rendering.Feature
cmd.SetComputeVectorArrayParam(settings.Spd, "_MipOffsetAndSizeArray", mipOffsetAndSizes);
cmd.SetComputeTextureParam(settings.Spd, 0, "_InputDepth", depthTex);
cmd.SetComputeTextureParam(settings.Spd, 0, "_OutDepth", hizBuffer);
cmd.SetComputeTextureParam(settings.Spd, 0, "rw_internal_global_atomic", SpdAtomicCounter);
cmd.SetComputeTextureParam(settings.Spd, kernelId, "_InputDepth", depthTex);
cmd.SetComputeTextureParam(settings.Spd, kernelId, "_OutDepth", hizBuffer);
cmd.SetComputeTextureParam(settings.Spd, kernelId, "rw_internal_global_atomic", SpdAtomicCounter);
cmd.DispatchCompute(settings.Spd, 0, dispatchX, dispatchY, 1);
cmd.DispatchCompute(settings.Spd, kernelId, dispatchX, dispatchY, 1);
cmd.SetGlobalTexture(HizShaderIds.DepthPyramidTexId, hizBuffer);
}

13
Packages/com.unity.render-pipelines.universal@14.0.11/Runtime/OcclusionCulling/Shaders/SPD.compute vendored
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@ -1,5 +1,6 @@
// Each #kernel tells which function to compile; you can have many kernels
#pragma kernel CSMain
#pragma kernel CSMain _SKIP_3_MIP
#define FFX_SPD_NO_WAVE_OPERATIONS 1
// #pragma multi_compile FFX_SPD_NO_WAVE_OPERATIONS _
#pragma enable_d3d11_debug_symbols
@ -70,6 +71,12 @@ FfxFloat32x4 SpdLoad(FfxInt32x2 coordinate, FfxUInt32 slice)
void SpdStore(FfxInt32x2 pix, FfxFloat32x4 outValue, FfxUInt32 coordinate, FfxUInt32 slice)
{
#if _SKIP_3_MIP
if(coordinate < 3)
{
return;
}
#endif
uint4 cur = _MipOffsetAndSizeArray[coordinate + 1];
_OutDepth[pix + cur.xy] = outValue.x; // + 1 as we store a copy of the depth buffer at index 0
}
@ -82,6 +89,12 @@ FfxFloat32x4 SpdLoadH(FfxInt32x2 coordinate, FfxUInt32 slice)
void SpdStoreH(FfxInt32x2 pix, FfxFloat32x4 outValue, FfxUInt32 coordinate, FfxUInt32 slice)
{
#if _SKIP_3_MIP
if(coordinate < 3)
{
return;
}
#endif
uint4 cur = _MipOffsetAndSizeArray[coordinate + 1];
_OutDepth[pix + cur.xy] = outValue.x; // + 1 as we store a copy of the depth buffer at index 0
}