Mercurial > sdl-ios-xcode
view src/video/fbcon/SDL_fbvideo.h @ 2670:6e4669f4db49 gsoc2008_nds
Fix for the previous commit: actually 'svn add'ed some files.
author | Darren Alton <dalton@stevens.edu> |
---|---|
date | Tue, 10 Jun 2008 06:57:57 +0000 |
parents | c121d94672cb |
children | 99210400e8b9 |
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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_fbvideo_h #define _SDL_fbvideo_h #include <sys/types.h> #include <termios.h> #include <linux/fb.h> #include "SDL_mouse.h" #include "SDL_mutex.h" #include "../SDL_sysvideo.h" #if SDL_INPUT_TSLIB #include "tslib.h" #endif /* 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; int used; int dirty; char *base; unsigned int size; struct vidmem_bucket *next; } vidmem_bucket; /* Private display data */ struct SDL_PrivateVideoData { int console_fd; struct fb_var_screeninfo cache_vinfo; struct fb_var_screeninfo saved_vinfo; int saved_cmaplen; __u16 *saved_cmap; int current_vt; int saved_vt; int keyboard_fd; int saved_kbd_mode; struct termios saved_kbd_termios; int mouse_fd; #if SDL_INPUT_TSLIB struct tsdev *ts_dev; #endif char *mapped_mem; int mapped_memlen; int mapped_offset; char *mapped_io; long mapped_iolen; int flip_page; char *flip_address[2]; #define NUM_MODELISTS 4 /* 8, 16, 24, and 32 bits-per-pixel */ int SDL_nummodes[NUM_MODELISTS]; SDL_Rect **SDL_modelist[NUM_MODELISTS]; vidmem_bucket surfaces; int surfaces_memtotal; int surfaces_memleft; SDL_mutex *hw_lock; int switched_away; struct fb_var_screeninfo screen_vinfo; Uint32 screen_arealen; Uint8 *screen_contents; __u16 screen_palette[3 * 256]; void (*wait_vbl) (_THIS); void (*wait_idle) (_THIS); }; /* Old variable names */ #define console_fd (this->hidden->console_fd) #define current_vt (this->hidden->current_vt) #define saved_vt (this->hidden->saved_vt) #define keyboard_fd (this->hidden->keyboard_fd) #define saved_kbd_mode (this->hidden->saved_kbd_mode) #define saved_kbd_termios (this->hidden->saved_kbd_termios) #define mouse_fd (this->hidden->mouse_fd) #if SDL_INPUT_TSLIB #define ts_dev (this->hidden->ts_dev) #endif #define cache_vinfo (this->hidden->cache_vinfo) #define saved_vinfo (this->hidden->saved_vinfo) #define saved_cmaplen (this->hidden->saved_cmaplen) #define saved_cmap (this->hidden->saved_cmap) #define mapped_mem (this->hidden->mapped_mem) #define mapped_memlen (this->hidden->mapped_memlen) #define mapped_offset (this->hidden->mapped_offset) #define mapped_io (this->hidden->mapped_io) #define mapped_iolen (this->hidden->mapped_iolen) #define flip_page (this->hidden->flip_page) #define flip_address (this->hidden->flip_address) #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 switched_away (this->hidden->switched_away) #define screen_vinfo (this->hidden->screen_vinfo) #define screen_arealen (this->hidden->screen_arealen) #define screen_contents (this->hidden->screen_contents) #define screen_palette (this->hidden->screen_palette) #define wait_vbl (this->hidden->wait_vbl) #define wait_idle (this->hidden->wait_idle) /* Accelerator types that are supported by the driver, but are not necessarily in the kernel headers on the system we compile on. */ #ifndef FB_ACCEL_MATROX_MGAG400 #define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */ #endif #ifndef FB_ACCEL_3DFX_BANSHEE #define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */ #endif /* These functions are defined in SDL_fbvideo.c */ extern void FB_SavePaletteTo(_THIS, int palette_len, __u16 * area); extern void FB_RestorePaletteFrom(_THIS, int palette_len, __u16 * area); /* These are utility functions for working with video surfaces */ static __inline__ void FB_AddBusySurface(SDL_Surface * surface) { ((vidmem_bucket *) surface->hwdata)->dirty = 1; } static __inline__ int FB_IsSurfaceBusy(SDL_Surface * surface) { return ((vidmem_bucket *) surface->hwdata)->dirty; } static __inline__ void FB_WaitBusySurfaces(_THIS) { vidmem_bucket *bucket; /* Wait for graphic operations to complete */ wait_idle(this); /* Clear all surface dirty bits */ for (bucket = &surfaces; bucket; bucket = bucket->next) { bucket->dirty = 0; } } static __inline__ void FB_dst_to_xy(_THIS, SDL_Surface * dst, int *x, int *y) { *x = (long) ((char *) dst->pixels - mapped_mem) % this->screen->pitch; *y = (long) ((char *) dst->pixels - mapped_mem) / this->screen->pitch; if (dst == this->screen) { *x += this->offset_x; *y += this->offset_y; } } #endif /* _SDL_fbvideo_h */ /* vi: set ts=4 sw=4 expandtab: */