Mercurial > sdl-ios-xcode
view src/video/xbios/SDL_xbios_tveille.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 | d8371d2dc524 |
| children | a1b03ba2fcd0 |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2004 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Sam Lantinga slouken@libsdl.org */ #include "SDL_config.h" /* Turbo veille screensaver Patrice Mandin */ #ifndef _SDL_xbios_tveille_h #define _SDL_xbios_tveille_h #include "SDL_xbios.h" /*--- Defines ---*/ #ifndef C_VeiL #define C_VeiL 0x5665694CL #endif /*--- Structures ---*/ typedef struct { unsigned long version; void (*prg_ptr)(); void (*kbd_ptr)(); void (*vbl_ptr)(); unsigned long vbl_count; void (*oldkbd_ptr)(); unsigned long off_count; unsigned long prg_size; unsigned long dummy1[4]; unsigned char dummy2; unsigned char status; unsigned short freq; unsigned short dummy3; unsigned char clear_first; unsigned char enabled; /* 0=enabled, 0xff=disabled */ unsigned char serial_redir; unsigned char dummy4; void (*oldserial_ptr)(); } __attribute__((packed)) tveille_t; /*--- Functions prototypes ---*/ int SDL_XBIOS_TveillePresent(_THIS); void SDL_XBIOS_TveilleDisable(_THIS); void SDL_XBIOS_TveilleEnable(_THIS); #endif /* _SDL_xbios_tveille_h */