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88 行
2.4 KiB
88 行
2.4 KiB
#ifndef __TILEDLIGHTINGUTILS_H__
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#define __TILEDLIGHTINGUTILS_H__
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#include "LightingUtils.hlsl"
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StructuredBuffer<SFiniteLightData> g_vLightData;
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StructuredBuffer<uint> g_vLightListGlobal;
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void GetCountAndStartOpaque(out uint uStart, out uint uNrLights, uint2 tileIDX, int nrTilesX, int nrTilesY, float linDepth, uint model)
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{
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const int tileOffs = (tileIDX.y+model*nrTilesY)*nrTilesX+tileIDX.x;
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uNrLights = g_vLightListGlobal[ 16*tileOffs + 0]&0xffff;
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uStart = tileOffs;
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}
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uint FetchIndexOpaque(const uint tileOffs, const uint l)
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{
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const uint l1 = l+1;
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return (g_vLightListGlobal[ 16*tileOffs + (l1>>1)]>>((l1&1)*16))&0xffff;
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}
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#ifdef OPAQUES_ONLY
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void GetCountAndStart(out uint uStart, out uint uNrLights, uint2 tileIDX, int nrTilesX, int nrTilesY, float linDepth, uint model)
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{
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GetCountAndStartOpaque(uStart, uNrLights, tileIDX, nrTilesX, nrTilesY, linDepth, model);
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}
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uint FetchIndex(const uint tileOffs, const uint l)
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{
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return FetchIndexOpaque(tileOffs, l);
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}
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#else
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uniform float g_fClustScale;
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uniform float g_fClustBase;
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uniform float g_fNearPlane;
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uniform float g_fFarPlane;
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//uniform int g_iLog2NumClusters; // numClusters = (1<<g_iLog2NumClusters)
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uniform int g_iLog2NumClusters;
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#include "ClusteredUtils.h"
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Buffer<uint> g_vLayeredOffsetsBuffer;
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Buffer<float> g_logBaseBuffer;
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uniform uint g_isLogBaseBufferEnabled;
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uniform uint g_isOpaquesOnlyEnabled;
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void GetCountAndStart(out uint uStart, out uint uNrLights, uint2 tileIDX, int nrTilesX, int nrTilesY, float linDepth, uint model)
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{
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if(g_isOpaquesOnlyEnabled)
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{
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GetCountAndStartOpaque(uStart, uNrLights, tileIDX, nrTilesX, nrTilesY, linDepth, model);
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}
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else
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{
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float logBase = g_fClustBase;
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if(g_isLogBaseBufferEnabled)
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logBase = g_logBaseBuffer[tileIDX.y*nrTilesX + tileIDX.x];
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int clustIdx = SnapToClusterIdxFlex(linDepth, logBase, g_isLogBaseBufferEnabled!=0);
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int nrClusters = (1<<g_iLog2NumClusters);
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const int idx = ((model*nrClusters + clustIdx)*nrTilesY + tileIDX.y)*nrTilesX + tileIDX.x;
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uint dataPair = g_vLayeredOffsetsBuffer[idx];
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uStart = dataPair&0x7ffffff;
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uNrLights = (dataPair>>27)&31;
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}
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}
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uint FetchIndex(const uint tileOffs, const uint l)
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{
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if(g_isOpaquesOnlyEnabled)
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return FetchIndexOpaque(tileOffs, l);
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else
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return g_vLightListGlobal[ tileOffs+l ];
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}
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#endif
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#endif
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