This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project gfxprim.git. The branch, master has been updated via 6d6139b6ed2cf86b481229d1e5234aecb186b81a (commit) from 0a5fbacf4887f8cf496cf45c9fa7121f091f1153 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- http://repo.or.cz/w/gfxprim.git/commit/6d6139b6ed2cf86b481229d1e5234aecb186b... commit 6d6139b6ed2cf86b481229d1e5234aecb186b81a Author: Cyril Hrubis <metan@ucw.cz> Date: Sun Feb 19 20:45:11 2012 +0100 backends: SDL Fix Flip operation. The SDL Flip takes x, y, w, h and not x, y, x, y. diff --git a/include/backends/GP_Backend.h b/include/backends/GP_Backend.h index 4ddda59..25d6b7e 100644 --- a/include/backends/GP_Backend.h +++ b/include/backends/GP_Backend.h @@ -86,8 +86,8 @@ typedef struct GP_Backend { * If display is not buffered, this is no-op. */ void (*UpdateRect)(struct GP_Backend *self, - GP_Coord x1, GP_Coord y1, - GP_Coord x2, GP_Coord y2); + GP_Coord x0, GP_Coord y0, + GP_Coord x1, GP_Coord y1); /* * Exits the backend. @@ -133,6 +133,7 @@ static inline void GP_BackendUpdateRect(GP_Backend *backend, { GP_TRANSFORM_POINT(backend->context, x0, y0); GP_TRANSFORM_POINT(backend->context, x1, y1); + backend->UpdateRect(backend, x0, y0, x1, y1); } diff --git a/libs/backends/GP_SDL.c b/libs/backends/GP_SDL.c index b88b3b5..4a327c5 100644 --- a/libs/backends/GP_SDL.c +++ b/libs/backends/GP_SDL.c @@ -52,11 +52,17 @@ static void sdl_flip(struct GP_Backend *self __attribute__((unused))) } static void sdl_update_rect(struct GP_Backend *self __attribute__((unused)), - GP_Coord x1, GP_Coord y1, GP_Coord x2, GP_Coord y2) + GP_Coord x0, GP_Coord y0, GP_Coord x1, GP_Coord y1) { SDL_mutexP(mutex); - - SDL_UpdateRect(sdl_surface, x1, y1, x2, y2); + + /* + * SDL_UpdateRect() with all x0, y0, x1 and y1 zero updates whole + * screen we avoid such behavior as it will break other backends. + */ + if (x1 != 0 && y1 != 0) + SDL_UpdateRect(sdl_surface, x0, y0, + GP_ABS(x1 - x0), GP_ABS(y1 - x0)); SDL_mutexV(mutex); } ----------------------------------------------------------------------- Summary of changes: include/backends/GP_Backend.h | 5 +++-- libs/backends/GP_SDL.c | 12 +++++++++--- 2 files changed, 12 insertions(+), 5 deletions(-) repo.or.cz automatic notification. Contact project admin jiri.bluebear.dluhos@gmail.com if you want to unsubscribe, or site admin admin@repo.or.cz if you receive no reply. -- gfxprim.git ("A simple 2D graphics library with emphasis on correctness and well-defined operation.")