23 lines
717 B
Plaintext
23 lines
717 B
Plaintext
import Common;
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import Scene;
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struct VisibilityCullingData
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{
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Texture2D<uint> visibilityTexture;
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globallycoherent RWStructuredBuffer<MeshletCullingInfo> cullingInfos;
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};
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ParameterBlock<VisibilityCullingData> pVisibilityParams;
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[numthreads(BLOCK_SIZE, BLOCK_SIZE, 1)]
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[shader("compute")]
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void computeMain(
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uint3 dispatchThreadID: SV_DispatchThreadID,
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){
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int3 texCoords = int3(dispatchThreadID.xy, 0);
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uint encoded = pVisibilityParams.visibilityTexture.Load(texCoords).r;
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uint2 decoded = decodePrimitive(encoded);
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uint arrIdx = decoded.x / 32;
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uint bit = decoded.x % 32;
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uint32_t orig;
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InterlockedOr(pVisibilityParams.cullingInfos[decoded.y].visible[arrIdx], (1 << bit), orig);
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} |