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OpenGL2: Speed up surface merging.

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This commit is contained in:
SmileTheory 2016-05-18 21:12:34 -07:00
parent 2dcc5719e3
commit 6394180224
1 changed files with 11 additions and 18 deletions
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29
code/renderergl2/tr_bsp.c
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@ -2120,12 +2120,6 @@ static void R_CreateWorldVaos(void)
// -1 represents 0, -2 represents 1, and so on
s_worldData.viewSurfaces = ri.Hunk_Alloc(sizeof(*s_worldData.viewSurfaces) * s_worldData.nummarksurfaces, h_low);
// copy view surfaces into mark surfaces
for (i = 0; i < s_worldData.nummarksurfaces; i++)
{
s_worldData.viewSurfaces[i] = s_worldData.marksurfaces[i];
}
// actually merge surfaces
mergedSurf = s_worldData.mergedSurfaces;
for(firstSurf = lastSurf = surfacesSorted; firstSurf < surfacesSorted + numSortedSurfaces; firstSurf = lastSurf)
@ -2186,23 +2180,22 @@ static void R_CreateWorldVaos(void)
mergedSurf->cubemapIndex = (*firstSurf)->cubemapIndex;
mergedSurf->shader = (*firstSurf)->shader;
// redirect view surfaces to this surf
// change surfacesViewCount[] from leaf index to viewSurface index - 1 so we can redirect later
// subtracting 2 (viewSurface index - 1) to avoid collision with -1 (no leaf)
for (currSurf = firstSurf; currSurf < lastSurf; currSurf++)
s_worldData.surfacesViewCount[*currSurf - s_worldData.surfaces] = -2;
for (k = 0; k < s_worldData.nummarksurfaces; k++)
{
if (s_worldData.surfacesViewCount[s_worldData.marksurfaces[k]] == -2)
s_worldData.viewSurfaces[k] = -((int)(mergedSurf - s_worldData.mergedSurfaces) + 1);
}
for (currSurf = firstSurf; currSurf < lastSurf; currSurf++)
s_worldData.surfacesViewCount[*currSurf - s_worldData.surfaces] = -1;
s_worldData.surfacesViewCount[*currSurf - s_worldData.surfaces] = -((int)(mergedSurf - s_worldData.mergedSurfaces)) - 2;
mergedSurf++;
}
ri.Printf(PRINT_ALL, "Processed %d mergeable surfaces into %d merged, %d unmerged\n",
// direct viewSurfaces to merged and unmerged surfaces
for (i = 0; i < s_worldData.nummarksurfaces; i++)
{
int viewSurfaceIndex = s_worldData.surfacesViewCount[s_worldData.marksurfaces[i]] + 1;
s_worldData.viewSurfaces[i] = (viewSurfaceIndex < 0) ? viewSurfaceIndex : s_worldData.marksurfaces[i];
}
ri.Printf(PRINT_ALL, "Processed %d mergeable surfaces into %d merged, %d unmerged\n",
numSortedSurfaces, numMergedSurfaces, numUnmergedSurfaces);
}