diff options
Diffstat (limited to 'distrib/sdl-1.2.15/src/video/fbcon/SDL_fbvideo.h')
| -rw-r--r-- | distrib/sdl-1.2.15/src/video/fbcon/SDL_fbvideo.h | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/video/fbcon/SDL_fbvideo.h b/distrib/sdl-1.2.15/src/video/fbcon/SDL_fbvideo.h new file mode 100644 index 0000000..1443d2b --- /dev/null +++ b/distrib/sdl-1.2.15/src/video/fbcon/SDL_fbvideo.h @@ -0,0 +1,200 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2012 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 + +typedef void FB_bitBlit( + Uint8 *src_pos, + int src_right_delta, /* pixels, not bytes */ + int src_down_delta, /* pixels, not bytes */ + Uint8 *dst_pos, + int dst_linebytes, + int width, + int height); + +/* 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; + char *shadow_mem; + int mapped_memlen; + int mapped_offset; + char *mapped_io; + long mapped_iolen; + int flip_page; + char *flip_address[2]; + int rotate; + int shadow_fb; /* Tells whether a shadow is being used. */ + FB_bitBlit *blitFunc; + int physlinebytes; /* Length of a line in bytes in physical fb */ + +#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 shadow_mem (this->hidden->shadow_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 rotate (this->hidden->rotate) +#define shadow_fb (this->hidden->shadow_fb) +#define blitFunc (this->hidden->blitFunc) +#define physlinebytes (this->hidden->physlinebytes) +#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 */ |