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// build coarse list using AABB |
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#ifdef USE_TWO_PASS_TILED_LIGHTING |
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int NrBigTilesX = (nrTilesX+3)>>2; |
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const int bigTileIdx = (tileIDX.y>>2)*NrBigTilesX + (tileIDX.x>>2); // map the idx to 64x64 tiles |
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const uint log2BigTileToTileRatio = firstbithigh(64) - firstbithigh(16); |
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int NrBigTilesX = (nrTilesX+((1<<log2BigTileToTileRatio)-1))>>log2BigTileToTileRatio; |
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const int bigTileIdx = (tileIDX.y>>log2BigTileToTileRatio)*NrBigTilesX + (tileIDX.x>>log2BigTileToTileRatio); // map the idx to 64x64 tiles |
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int nrBigTileLights = g_vBigTileLightList[MAX_NR_BIGTILE_LIGHTS_PLUSONE*bigTileIdx+0]; |
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int nrLightsIn = nrBigTileLights; |
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for(int l0=(int) t; l0<(int) nrBigTileLights; l0 += NR_THREADS) |
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