61 lines
1.7 KiB
Plaintext
61 lines
1.7 KiB
Plaintext
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#include "Include/PlatformDefines.hlsl"
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#pragma kernel CSInstancedCameraCalculationKernel
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#pragma kernel CSInstancedCameraCalculationKernelCrossFade
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RWStructuredBuffer<uint4> gpuiInstanceLODData; // lodNo - shadowLodNo - cfLodNo - cfLevel
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#include "Include/CullingVR.hlsl"
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#include "Include/Camera.hlsl"
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[numthreads(GPUI_THREADS, 1, 1)]
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void CSInstancedCameraCalculationKernel(uint3 id : SV_DispatchThreadID)
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{
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if (id.x >= bufferSize)
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return;
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float dist = 0;
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bool culled = false;
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float size = 0;
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uint4 lodData = uint4(9, 9, 9, 0);
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float4x4 instanceMatrix = gpuiInstanceData[id.x];
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CalculateDistanceAndSize(instanceMatrix, dist, size);
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IsCulledVR(instanceMatrix, dist, culled);
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CalculateLODNo(size, dist, culled, lodData.x, lodData.y);
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gpuiInstanceLODData[id.x] = lodData;
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}
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[numthreads(GPUI_THREADS, 1, 1)]
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void CSInstancedCameraCalculationKernelCrossFade(uint3 id : SV_DispatchThreadID)
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{
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if (id.x >= bufferSize)
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return;
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float dist = 0;
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bool culled = false;
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float size = 0;
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uint4 lodData = uint4(9, 9, 9, 0);
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float4x4 instanceMatrix = gpuiInstanceData[id.x];
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CalculateDistanceAndSize(instanceMatrix, dist, size);
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IsCulledVR(instanceMatrix, dist, culled);
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CalculateLODNo(size, dist, culled, lodData.x, lodData.y);
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#if !SHADER_API_GLCORE && !SHADER_API_GLES3 && !SHADER_API_VULKAN
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if (animateCrossFade)
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{
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uint4 previousLodData = gpuiInstanceLODData[id.x];
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lodData.w = previousLodData.w;
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lodData.z = previousLodData.z;
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CalculateCFLODNoAnimate(previousLodData.x, lodData.x, lodData.z, lodData.w);
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}
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else
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CalculateCFLODNo(size, lodData.x, lodData.z, lodData.w);
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#endif
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gpuiInstanceLODData[id.x] = lodData;
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}
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