symbian-qemu-0.9.1-12/libsdl-trunk/src/video/fbcon/SDL_fbvideo.h
changeset 1 2fb8b9db1c86
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/libsdl-trunk/src/video/fbcon/SDL_fbvideo.h	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,182 @@
+/*
+    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 */