Mercurial > sdl-ios-xcode
annotate src/video/fbcon/SDL_fbvideo.h @ 4134:31c7c57af8a4 SDL-1.2
Updates for building on Windows CE using mingw32ce cross compiler:
http://sourceforge.net/mailarchive/forum.php?thread_name 0703291652.38437.jwalt%40garni.ch&forum_name=cegcc-devel
Hi!
I just managed to compile SDL for Windows CE using the "mingw32ce"
configuration of http://cegcc.sourceforge.net. Test programs work as expected
(except for those using signals -- no POSIX on mingw32ce), and I didn't yet
encounter any problem.
While it was a pain to get everything compiled and running, the changes to
SDL are actually quite small (see attached SDL-ce.diff).
Unfortunately, the win32 headers shipped with cegcc are not 100% correct, and
it feels quite messy to work around them in SDL code, so those headers will
also need to be patched. (Attachment: win32api-ce.diff)
Since I had to apply the libtool patch from the cegcc patch, I have also ad ded
my copy of aclocal.m4 for SDL. I had to modify the cegcc libtool patch to
use "lt_cv_deplibs_check_method=pass_all" for mingw32ce, otherwise libtool
would not recognize the import libraries as valid for dynamic linking.
All these changes should not affect non-WinCE builds, so they could be
included in mainline SDL.
If you need some docs, you can use this description for a cross-compilation
README:
1) get cegcc from http://cegcc.sourceforge.net
2) build and install the "mingw32ce" variant (see cegcc installation docs)
3) patch w32api-headers (if not yet included in cegcc)
4) setup environment (customize the first three lines as you like):
PREFIX=/opt/mingw32ce
TARGET=arm-wince-mingw32ce
BUILD=`uname -m`-pc-linux-gnu
export PATH="$PREFIX/bin:$PREFIX/$TARGET/bin:$PREFIX/local/bin:$PATH"
export CFLAGS="${CFLAGS:- -O2 -g} -I$PREFIX/local/include"
export CPPFLAGS="${CPPFLAGS:- -O2 -g} -I$PREFIX/local/include"
export CXXFLAGS="${CXXFLAGS:- -O2 -g} -I$PREFIX/local/include"
export LDFLAGS="${LDFLAGS:- -O2 -g} -L$PREFIX/local/lib"
export HOST_CC="gcc"
export CC="$PREFIX/bin/$TARGET-gcc"
export CXX="$PREFIX/bin/$TARGET-g++"
export LD="$PREFIX/bin/$TARGET-ld"
export AS="$PREFIX/bin/$TARGET-as"
export AR="$PREFIX/bin/$TARGET-ar"
export RANLIB="$PREFIX/bin/$TARGET-ranlib"
export CONFIG_SHELL="/bin/sh"
5) build and install
./configure --target=$TARGET --host=$TARGET --build=$BUILD
make
make install
6) use (4) and (5) for any SDL-using software you want to cross-compile
7) copy $PREFIX/local/bin/SDL-1-2-0.dll into your executable directory on the WinCE machine
author | Sam Lantinga <slouken@libsdl.org> |
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date | Thu, 03 Jan 2008 06:19:07 +0000 |
parents | 7a36f01acf71 |
children | 782fd950bd46 c121d94672cb a1b03ba2fcd0 |
rev | line source |
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0 | 1 /* |
2 SDL - Simple DirectMedia Layer | |
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3 Copyright (C) 1997-2006 Sam Lantinga |
0 | 4 |
5 This library is free software; you can redistribute it and/or | |
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6 modify it under the terms of the GNU Lesser General Public |
0 | 7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
0 | 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 | |
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13 Lesser General Public License for more details. |
0 | 14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
0 | 18 |
19 Sam Lantinga | |
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20 slouken@libsdl.org |
0 | 21 */ |
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22 #include "SDL_config.h" |
0 | 23 |
24 #ifndef _SDL_fbvideo_h | |
25 #define _SDL_fbvideo_h | |
26 | |
27 #include <sys/types.h> | |
28 #include <termios.h> | |
29 #include <linux/fb.h> | |
30 | |
31 #include "SDL_mouse.h" | |
32 #include "SDL_mutex.h" | |
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33 #include "../SDL_sysvideo.h" |
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34 #if SDL_INPUT_TSLIB |
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35 #include "tslib.h" |
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36 #endif |
0 | 37 |
38 /* Hidden "this" pointer for the video functions */ | |
39 #define _THIS SDL_VideoDevice *this | |
40 | |
41 | |
42 /* This is the structure we use to keep track of video memory */ | |
43 typedef struct vidmem_bucket { | |
44 struct vidmem_bucket *prev; | |
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45 int used; |
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46 int dirty; |
0 | 47 char *base; |
48 unsigned int size; | |
49 struct vidmem_bucket *next; | |
50 } vidmem_bucket; | |
51 | |
52 /* Private display data */ | |
53 struct SDL_PrivateVideoData { | |
54 int console_fd; | |
55 struct fb_var_screeninfo cache_vinfo; | |
56 struct fb_var_screeninfo saved_vinfo; | |
57 int saved_cmaplen; | |
58 __u16 *saved_cmap; | |
59 | |
60 int current_vt; | |
61 int saved_vt; | |
62 int keyboard_fd; | |
63 int saved_kbd_mode; | |
64 struct termios saved_kbd_termios; | |
65 | |
66 int mouse_fd; | |
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67 #if SDL_INPUT_TSLIB |
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68 struct tsdev *ts_dev; |
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69 #endif |
0 | 70 |
71 char *mapped_mem; | |
72 int mapped_memlen; | |
73 int mapped_offset; | |
74 char *mapped_io; | |
75 long mapped_iolen; | |
76 int flip_page; | |
77 char *flip_address[2]; | |
78 | |
79 #define NUM_MODELISTS 4 /* 8, 16, 24, and 32 bits-per-pixel */ | |
80 int SDL_nummodes[NUM_MODELISTS]; | |
81 SDL_Rect **SDL_modelist[NUM_MODELISTS]; | |
82 | |
83 vidmem_bucket surfaces; | |
84 int surfaces_memtotal; | |
85 int surfaces_memleft; | |
86 | |
87 SDL_mutex *hw_lock; | |
1780 | 88 int switched_away; |
89 struct fb_var_screeninfo screen_vinfo; | |
90 Uint32 screen_arealen; | |
91 Uint8 *screen_contents; | |
92 __u16 screen_palette[3*256]; | |
0 | 93 |
94 void (*wait_vbl)(_THIS); | |
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95 void (*wait_idle)(_THIS); |
0 | 96 }; |
97 /* Old variable names */ | |
98 #define console_fd (this->hidden->console_fd) | |
99 #define current_vt (this->hidden->current_vt) | |
100 #define saved_vt (this->hidden->saved_vt) | |
101 #define keyboard_fd (this->hidden->keyboard_fd) | |
102 #define saved_kbd_mode (this->hidden->saved_kbd_mode) | |
103 #define saved_kbd_termios (this->hidden->saved_kbd_termios) | |
104 #define mouse_fd (this->hidden->mouse_fd) | |
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105 #if SDL_INPUT_TSLIB |
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106 #define ts_dev (this->hidden->ts_dev) |
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107 #endif |
0 | 108 #define cache_vinfo (this->hidden->cache_vinfo) |
109 #define saved_vinfo (this->hidden->saved_vinfo) | |
110 #define saved_cmaplen (this->hidden->saved_cmaplen) | |
111 #define saved_cmap (this->hidden->saved_cmap) | |
112 #define mapped_mem (this->hidden->mapped_mem) | |
113 #define mapped_memlen (this->hidden->mapped_memlen) | |
114 #define mapped_offset (this->hidden->mapped_offset) | |
115 #define mapped_io (this->hidden->mapped_io) | |
116 #define mapped_iolen (this->hidden->mapped_iolen) | |
117 #define flip_page (this->hidden->flip_page) | |
118 #define flip_address (this->hidden->flip_address) | |
119 #define SDL_nummodes (this->hidden->SDL_nummodes) | |
120 #define SDL_modelist (this->hidden->SDL_modelist) | |
121 #define surfaces (this->hidden->surfaces) | |
122 #define surfaces_memtotal (this->hidden->surfaces_memtotal) | |
123 #define surfaces_memleft (this->hidden->surfaces_memleft) | |
124 #define hw_lock (this->hidden->hw_lock) | |
1780 | 125 #define switched_away (this->hidden->switched_away) |
126 #define screen_vinfo (this->hidden->screen_vinfo) | |
127 #define screen_arealen (this->hidden->screen_arealen) | |
128 #define screen_contents (this->hidden->screen_contents) | |
129 #define screen_palette (this->hidden->screen_palette) | |
0 | 130 #define wait_vbl (this->hidden->wait_vbl) |
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131 #define wait_idle (this->hidden->wait_idle) |
0 | 132 |
133 /* Accelerator types that are supported by the driver, but are not | |
134 necessarily in the kernel headers on the system we compile on. | |
135 */ | |
136 #ifndef FB_ACCEL_MATROX_MGAG400 | |
137 #define FB_ACCEL_MATROX_MGAG400 26 /* Matrox G400 */ | |
138 #endif | |
139 #ifndef FB_ACCEL_3DFX_BANSHEE | |
140 #define FB_ACCEL_3DFX_BANSHEE 31 /* 3Dfx Banshee */ | |
141 #endif | |
142 | |
143 /* These functions are defined in SDL_fbvideo.c */ | |
144 extern void FB_SavePaletteTo(_THIS, int palette_len, __u16 *area); | |
145 extern void FB_RestorePaletteFrom(_THIS, int palette_len, __u16 *area); | |
146 | |
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147 /* These are utility functions for working with video surfaces */ |
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148 |
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149 static __inline__ void FB_AddBusySurface(SDL_Surface *surface) |
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150 { |
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151 ((vidmem_bucket *)surface->hwdata)->dirty = 1; |
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152 } |
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153 |
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154 static __inline__ int FB_IsSurfaceBusy(SDL_Surface *surface) |
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155 { |
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156 return ((vidmem_bucket *)surface->hwdata)->dirty; |
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157 } |
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158 |
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159 static __inline__ void FB_WaitBusySurfaces(_THIS) |
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160 { |
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161 vidmem_bucket *bucket; |
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162 |
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163 /* Wait for graphic operations to complete */ |
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164 wait_idle(this); |
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165 |
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166 /* Clear all surface dirty bits */ |
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167 for ( bucket=&surfaces; bucket; bucket=bucket->next ) { |
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168 bucket->dirty = 0; |
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169 } |
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170 } |
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171 |
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172 static __inline__ void FB_dst_to_xy(_THIS, SDL_Surface *dst, int *x, int *y) |
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173 { |
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174 *x = (long)((char *)dst->pixels - mapped_mem)%this->screen->pitch; |
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175 *y = (long)((char *)dst->pixels - mapped_mem)/this->screen->pitch; |
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176 if ( dst == this->screen ) { |
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177 *x += this->offset_x; |
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178 *y += this->offset_y; |
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179 } |
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180 } |
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181 |
0 | 182 #endif /* _SDL_fbvideo_h */ |