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69 lines
3.0 KiB
69 lines
3.0 KiB
//#pragma enable_d3d11_debug_symbols
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#include "Packages/com.unity.render-pipelines.core/Runtime/Lighting/ProbeVolume/ProbeVolumeUploadDataCommon.hlsl"
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#pragma kernel UploadDataL2
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RWTexture3D<unorm float4> _Out_L2_0;
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RWTexture3D<unorm float4> _Out_L2_1;
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RWTexture3D<unorm float4> _Out_L2_2;
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RWTexture3D<unorm float4> _Out_L2_3;
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[numthreads(64, 1, 1)]
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void UploadDataL2(uint3 dispatchThreadID : SV_DispatchThreadID)
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{
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uint chunkIndex = dispatchThreadID.z;
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uint chunkProbeIndex = dispatchThreadID.x * 4; // One thread processes 4 probes.
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// We extract 4 probes at a time.
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// This is driven by the minimum amount of data that we can load at once with a ByteAddressBuffer
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// Shared data is currently 1 byte per probe so we can load at minimum 4 probes at a time with one ByteAddressBuffer.Load(uint)
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uint offsetL2_0 = _L2_0Offset + chunkIndex * _L2Size + chunkProbeIndex * _L2ProbeSize; // 4 x 4 bytes probes.
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uint offsetL2_1 = _L2_1Offset + chunkIndex * _L2Size + chunkProbeIndex * _L2ProbeSize; // 4 x 4 bytes probes.
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uint offsetL2_2 = _L2_2Offset + chunkIndex * _L2Size + chunkProbeIndex * _L2ProbeSize; // 4 x 4 bytes probes.
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uint offsetL2_3 = _L2_3Offset + chunkIndex * _L2Size + chunkProbeIndex * _L2ProbeSize; // 4 x 4 bytes probes.
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// Extract L2
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float4 L2_0_probe_0, L2_0_probe_1, L2_0_probe_2, L2_0_probe_3;
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float4 L2_1_probe_0, L2_1_probe_1, L2_1_probe_2, L2_1_probe_3;
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float4 L2_2_probe_0, L2_2_probe_1, L2_2_probe_2, L2_2_probe_3;
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float4 L2_3_probe_0, L2_3_probe_1, L2_3_probe_2, L2_3_probe_3;
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ExtractByte(_ScratchBuffer.Load4(offsetL2_0), L2_0_probe_0, L2_0_probe_1, L2_0_probe_2, L2_0_probe_3);
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ExtractByte(_ScratchBuffer.Load4(offsetL2_1), L2_1_probe_0, L2_1_probe_1, L2_1_probe_2, L2_1_probe_3);
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ExtractByte(_ScratchBuffer.Load4(offsetL2_2), L2_2_probe_0, L2_2_probe_1, L2_2_probe_2, L2_2_probe_3);
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ExtractByte(_ScratchBuffer.Load4(offsetL2_3), L2_3_probe_0, L2_3_probe_1, L2_3_probe_2, L2_3_probe_3);
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APVResourcesRW output;
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LOAD_APV_RES_L2(output, _Out);
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uint3 baseProbe;
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uint3 loc;
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uint3 probe1Offset;
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uint3 probe2Offset;
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uint3 probe3Offset;
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getProbeLocationAndOffsets(chunkIndex, chunkProbeIndex, baseProbe, loc, probe1Offset, probe2Offset, probe3Offset);
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_Out_L2_0[loc] = L2_0_probe_0;
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_Out_L2_0[loc + probe1Offset] = L2_0_probe_1;
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_Out_L2_0[loc + probe2Offset] = L2_0_probe_2;
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_Out_L2_0[loc + probe3Offset] = L2_0_probe_3;
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_Out_L2_1[loc] = L2_1_probe_0;
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_Out_L2_1[loc + probe1Offset] = L2_1_probe_1;
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_Out_L2_1[loc + probe2Offset] = L2_1_probe_2;
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_Out_L2_1[loc + probe3Offset] = L2_1_probe_3;
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_Out_L2_2[loc] = L2_2_probe_0;
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_Out_L2_2[loc + probe1Offset] = L2_2_probe_1;
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_Out_L2_2[loc + probe2Offset] = L2_2_probe_2;
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_Out_L2_2[loc + probe3Offset] = L2_2_probe_3;
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_Out_L2_3[loc] = L2_3_probe_0;
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_Out_L2_3[loc + probe1Offset] = L2_3_probe_1;
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_Out_L2_3[loc + probe2Offset] = L2_3_probe_2;
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_Out_L2_3[loc + probe3Offset] = L2_3_probe_3;
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}
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