Retro/pcem
Watch
1
0
Fork
You've already forked pcem
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Added clipping to DirectDraw blit function.

Browse source
This commit is contained in:
TomW 2015-11-25 21:23:33 +00:00
commit ccd502719b
1 changed files with 4 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

5
src/win-ddraw.cc
View file

@ -165,7 +165,10 @@ static void ddraw_blit_memtoscreen(int x, int y, int y1, int y2, int w, int h)
} }
if (!ddsd.lpSurface) return; if (!ddsd.lpSurface) return;
for (yy = y1; yy < y2; yy++) for (yy = y1; yy < y2; yy++)
memcpy(ddsd.lpSurface + (yy * ddsd.lPitch), &(((uint32_t *)buffer32->line[y + yy])[x]), w * 4); {
if ((y + yy) >= 0 && (y + yy) < buffer->h)
memcpy(ddsd.lpSurface + (yy * ddsd.lPitch), &(((uint32_t *)buffer32->line[y + yy])[x]), w * 4);
}
lpdds_back->Unlock(NULL); lpdds_back->Unlock(NULL);
po.x = po.y = 0; po.x = po.y = 0;