Mercurial > sdl-ios-xcode
view src/video/directfb/SDL_DirectFB_video.h @ 4140:fc69b552ee32 SDL-1.2
Date: Thu, 28 Feb 2008 22:54:29 +0100
From: Sylvain Beucler
Subject: [SDL] SDL window resize and flicker
I have a resizable SDL window, and when it's resized, the surface goes
black _and_ is flushed to screen before I have a chance to redraw
it. This causes flicker.
The super-small attached patch fixes this issue by avoiding a
SDL_Flip() right after the window resize. What do you think?
This SDL_ClearSurface function is only called once in the code, in
SDL_SetVideoMode, and as far as I can tell the patch doesn't introduce
other changes than getting rid of the flicker.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Fri, 29 Feb 2008 13:57:49 +0000 |
parents | d910939febfa |
children | 782fd950bd46 c121d94672cb a1b03ba2fcd0 |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2006 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA Sam Lantinga slouken@libsdl.org */ #include "SDL_config.h" #ifndef _SDL_DirectFB_video_h #define _SDL_DirectFB_video_h #include <directfb.h> #include "SDL_mouse.h" #include "../SDL_sysvideo.h" #define _THIS SDL_VideoDevice *this /* Private display data */ struct SDL_PrivateVideoData { int initialized; IDirectFB *dfb; IDirectFBDisplayLayer *layer; IDirectFBEventBuffer *eventbuffer; int nummodes; SDL_Rect **modelist; /* MGA CRTC2 support */ int enable_mga_crtc2; int mga_crtc2_stretch; float mga_crtc2_stretch_overscan; IDirectFBDisplayLayer *c2layer; IDirectFBSurface *c2frame; DFBRectangle c2ssize; /* Real screen size */ DFBRectangle c2dsize; /* Stretched screen size */ DFBRectangle c2framesize; /* CRTC2 screen size */ }; #define HIDDEN (this->hidden) void SetDirectFBerror (const char *function, DFBResult code); #endif /* _SDL_DirectFB_video_h */