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reorganized sqr storage for better cache usage

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git-svn-id: svn://svn.code.sf.net/p/actiongame/code/trunk/ac@4113 e016b1c5-ed68-44aa-a2f7-31cac88cffde
This commit is contained in:
Lee Salzman
2009-01-04 18:42:09 +00:00
parent 2f27cba52c
commit 4d6ffecf29
8 changed files with 51 additions and 50 deletions
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source/src/worldrender.cpp
+6 -6
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@@ -118,7 +118,7 @@ void render_seg_new(float vx, float vy, float vh, int mip, int x, int y, int xs,
int ry = vyy+lodbot;
float fsize = (float)(1<<mip);
for(int ox = x; ox<xs; ox++) for(int oy = y; oy<ys; oy++) // first collect occlusion information for this block
for(int oy = y; oy<ys; oy++) for(int ox = x; ox<xs; ox++) // first collect occlusion information for this block
{
SWS(w,ox,oy,mfactor)->occluded = isoccluded(camera1->o.x, camera1->o.y, (float)(ox<<mip), (float)(oy<<mip), fsize);
}
@@ -140,8 +140,8 @@ void render_seg_new(float vx, float vy, float vh, int mip, int x, int y, int xs,
// also deferred, and render them recursively. Anything left (perfect mips and higher lods) we
// render here.
#define LOOPH {for(int xx = x; xx<xs; xx++) for(int yy = y; yy<ys; yy++) { \
sqr *s = SWS(w,xx,yy,mfactor); if(s->occluded==1) continue; \
#define LOOPH {for(int yy = y; yy<ys; yy++) for(int xx = x; xx<xs; xx++) { \
sqr *s = SWS(w,xx,yy,mfactor); if(s->occluded) continue; \
if(s->defer && !s->occluded && mip && xx>=lx && xx<rx && yy>=ly && yy<ry)
#define LOOPD sqr *t = SWS(s,1,0,mfactor); \
sqr *u = SWS(s,1,1,mfactor); \
@@ -149,10 +149,10 @@ void render_seg_new(float vx, float vy, float vh, int mip, int x, int y, int xs,
LOOPH // floors
{
int start = yy;
int start = xx;
sqr *next;
while(yy<ys-1 && (next = SWS(w,xx,yy+1,mfactor))->defer && !next->occluded) yy++; // collect 2xN rect of lower mip
render_seg_new(vx, vy, vh, mip-1, xx*2, start*2, xx*2+2, yy*2+2);
while(xx<xs-1 && (next = SWS(w,xx+1,yy,mfactor))->defer && !next->occluded) xx++; // collect 2xN rect of lower mip
render_seg_new(vx, vy, vh, mip-1, start*2, yy*2, xx*2+2, yy*2+2);
continue;
}
stats[mip]++;