Mercurial > sdl-ios-xcode

comparison src/video/SDL_surface.c @ 526:4314a501d7be

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fixed a crash blitting RLE surfaces to RLE surfaces
author Sam Lantinga <slouken@libsdl.org>
date Fri, 11 Oct 2002 07:56:36 +0000
parents c7da0cd5ae5e
children 058d47b7a3b4
comparison
equal deleted inserted replaced
525:f55cdaec12b9 526:4314a501d7be
690 return(0); 690 return(0);
691 } 691 }
692 692
693 /* 693 /*
694 * Lock a surface to directly access the pixels 694 * Lock a surface to directly access the pixels
695 * -- Do not call this from any blit function, as SDL_DrawCursor() may recurse
696 * Instead, use:
697 * if ( (surface->flags & SDL_HWSURFACE) == SDL_HWSURFACE )
698 * video->LockHWSurface(video, surface);
699 */ 695 */
700 int SDL_LockSurface (SDL_Surface *surface) 696 int SDL_LockSurface (SDL_Surface *surface)
701 { 697 {
702 if ( ! surface->locked ) { 698 if ( ! surface->locked ) {
703 /* Perform the lock */ 699 /* Perform the lock */
722 /* Ready to go.. */ 718 /* Ready to go.. */
723 return(0); 719 return(0);
724 } 720 }
725 /* 721 /*
726 * Unlock a previously locked surface 722 * Unlock a previously locked surface
727 * -- Do not call this from any blit function, as SDL_DrawCursor() may recurse
728 * Instead, use:
729 * if ( (surface->flags & SDL_HWSURFACE) == SDL_HWSURFACE )
730 * video->UnlockHWSurface(video, surface);
731 */ 723 */
732 void SDL_UnlockSurface (SDL_Surface *surface) 724 void SDL_UnlockSurface (SDL_Surface *surface)
733 { 725 {
734 /* Only perform an unlock if we are locked */ 726 /* Only perform an unlock if we are locked */
735 if ( ! surface->locked || (--surface->locked > 0) ) { 727 if ( ! surface->locked || (--surface->locked > 0) ) {