pandory500/SDL-mirror
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Fixed offset bug in hardware accelerated fills and blits

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--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%40463
This commit is contained in:
Sam Lantinga 2002-08-20 16:58:49 +00:00
parent fae7d836a8
commit 5310d6d97f
2 changed files with 21 additions and 4 deletions
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21
src/video/SDL_surface.c
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@ -399,6 +399,8 @@ int SDL_LowerBlit (SDL_Surface *src, SDL_Rect *srcrect,
SDL_Surface *dst, SDL_Rect *dstrect)
{
SDL_blit do_blit;
SDL_Rect hw_srcrect;
SDL_Rect hw_dstrect;
/* Check to make sure the blit mapping is valid */
if ( (src->map->dst != dst) ||
@ -410,6 +412,18 @@ int SDL_LowerBlit (SDL_Surface *src, SDL_Rect *srcrect,
/* Figure out which blitter to use */
if ( (src->flags & SDL_HWACCEL) == SDL_HWACCEL ) {
if ( src == SDL_VideoSurface ) {
hw_srcrect = *dstrect;
hw_srcrect.x += current_video->offset_x;
hw_srcrect.y += current_video->offset_y;
srcrect = &hw_srcrect;
}
if ( dst == SDL_VideoSurface ) {
hw_dstrect = *dstrect;
hw_dstrect.x += current_video->offset_x;
hw_dstrect.y += current_video->offset_y;
dstrect = &hw_dstrect;
}
do_blit = src->map->hw_blit;
} else {
do_blit = src->map->sw_blit;
@ -533,6 +547,13 @@ int SDL_FillRect(SDL_Surface *dst, SDL_Rect *dstrect, Uint32 color)
/* Check for hardware acceleration */
if ( ((dst->flags & SDL_HWSURFACE) == SDL_HWSURFACE) &&
video->info.blit_fill ) {
SDL_Rect hw_rect;
if ( dst == SDL_VideoSurface ) {
hw_rect = *dstrect;
hw_rect.x += current_video->offset_x;
hw_rect.y += current_video->offset_y;
dstrect = &hw_rect;
}
return(video->FillHWRect(this, dst, dstrect, color));
}