Mercurial > sdl-ios-xcode
diff src/video/dga/SDL_dgavideo.h @ 0:74212992fb08
Initial revision
author | Sam Lantinga <slouken@lokigames.com> |
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date | Thu, 26 Apr 2001 16:45:43 +0000 |
parents | |
children | 825b2fa28e2e |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/video/dga/SDL_dgavideo.h Thu Apr 26 16:45:43 2001 +0000 @@ -0,0 +1,106 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997, 1998, 1999, 2000, 2001 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@devolution.com +*/ + +#ifdef SAVE_RCSID +static char rcsid = + "@(#) $Id$"; +#endif + +#ifndef _SDL_dgavideo_h +#define _SDL_dgavideo_h + +#include <X11/Xlib.h> + +#include "SDL_mouse.h" +#include "SDL_mutex.h" +#include "SDL_sysvideo.h" + +/* Hidden "this" pointer for the video functions */ +#define _THIS SDL_VideoDevice *this + + +/* This is the structure we use to keep track of video memory */ +typedef struct vidmem_bucket { + struct vidmem_bucket *prev; + unsigned int used; + Uint8 *base; + unsigned int size; + struct vidmem_bucket *next; +} vidmem_bucket; + +/* Information about the location of the surface in hardware memory */ +struct private_hwdata { + int x; + int y; +}; + +/* Private display data */ +struct SDL_PrivateVideoData { + Display *DGA_Display; + Colormap DGA_colormap; + int visualClass; + +#define NUM_MODELISTS 4 /* 8, 16, 24, and 32 bits-per-pixel */ + int SDL_nummodes[NUM_MODELISTS]; + SDL_Rect **SDL_modelist[NUM_MODELISTS]; + + /* Information for the video surface */ + Uint8 *memory_base; + int memory_pitch; + SDL_mutex *hw_lock; + int sync_needed; + int was_flipped; + + /* Information for hardware surfaces */ + vidmem_bucket surfaces; + int surfaces_memtotal; + int surfaces_memleft; + + /* Information for double-buffering */ + int flip_page; + int flip_yoffset[2]; + Uint8 *flip_address[2]; + + /* Used to handle DGA events */ + int event_base; +}; +/* Old variable names */ +#define DGA_Display (this->hidden->DGA_Display) +#define DGA_Screen DefaultScreen(DGA_Display) +#define DGA_colormap (this->hidden->DGA_colormap) +#define DGA_visualClass (this->hidden->visualClass) +#define memory_base (this->hidden->memory_base) +#define memory_pitch (this->hidden->memory_pitch) +#define flip_page (this->hidden->flip_page) +#define flip_yoffset (this->hidden->flip_yoffset) +#define flip_address (this->hidden->flip_address) +#define sync_needed (this->hidden->sync_needed) +#define was_flipped (this->hidden->was_flipped) +#define SDL_nummodes (this->hidden->SDL_nummodes) +#define SDL_modelist (this->hidden->SDL_modelist) +#define surfaces (this->hidden->surfaces) +#define surfaces_memtotal (this->hidden->surfaces_memtotal) +#define surfaces_memleft (this->hidden->surfaces_memleft) +#define hw_lock (this->hidden->hw_lock) +#define DGA_event_base (this->hidden->event_base) + +#endif /* _SDL_dgavideo_h */