src/video/svga/SDL_svgavideo.h
author Sam Lantinga <slouken@libsdl.org>
Sun, 14 Oct 2001 19:49:02 +0000
changeset 205 13161d3d349d
parent 0 74212992fb08
child 252 e8157fcb3114
permissions -rw-r--r--
Added double-buffering support for SVGAlib (thanks Kutak!)
     1 /*
     2     SDL - Simple DirectMedia Layer
     3     Copyright (C) 1997, 1998, 1999, 2000, 2001  Sam Lantinga
     4 
     5     This library is free software; you can redistribute it and/or
     6     modify it under the terms of the GNU Library General Public
     7     License as published by the Free Software Foundation; either
     8     version 2 of the License, or (at your option) any later version.
     9 
    10     This library is distributed in the hope that it will be useful,
    11     but WITHOUT ANY WARRANTY; without even the implied warranty of
    12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    13     Library General Public License for more details.
    14 
    15     You should have received a copy of the GNU Library General Public
    16     License along with this library; if not, write to the Free
    17     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    18 
    19     Sam Lantinga
    20     slouken@devolution.com
    21 */
    22 
    23 #ifdef SAVE_RCSID
    24 static char rcsid =
    25  "@(#) $Id$";
    26 #endif
    27 
    28 #ifndef _SDL_svgavideo_h
    29 #define _SDL_svgavideo_h
    30 
    31 #include "SDL_mouse.h"
    32 #include "SDL_sysvideo.h"
    33 
    34 /* Hidden "this" pointer for the video functions */
    35 #define _THIS	SDL_VideoDevice *this
    36 
    37 /* Private display data */
    38 struct SDL_PrivateVideoData {
    39 #define NUM_MODELISTS	4		/* 8, 16, 24, and 32 bits-per-pixel */
    40 	int SDL_nummodes[NUM_MODELISTS];
    41 	SDL_Rect **SDL_modelist[NUM_MODELISTS];
    42 	int *SDL_vgamode[NUM_MODELISTS];
    43 
    44 	/* information for double-buffering */
    45 	int flip_page;
    46 	int flip_offset[2];
    47 	Uint8 *flip_address[2];
    48 };
    49 /* Old variable names */
    50 #define SDL_nummodes		(this->hidden->SDL_nummodes)
    51 #define SDL_modelist		(this->hidden->SDL_modelist)
    52 #define SDL_vgamode		(this->hidden->SDL_vgamode)
    53 #define flip_page		(this->hidden->flip_page)
    54 #define flip_offset		(this->hidden->flip_offset)
    55 #define flip_address		(this->hidden->flip_address)
    56 
    57 #endif /* _SDL_svgavideo_h */
    58