您最多选择25个主题 主题必须以中文或者字母或数字开头,可以包含连字符 (-),并且长度不得超过35个字符
 
 
 
 

88 行
2.4 KiB

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