Mercurial > sdl-ios-xcode
annotate src/video/photon/SDL_ph_gl.h @ 1585:980d2a0dc2a3
Date: Tue, 4 Mar 2003 15:05:31 -0800
From: "Jim"
Subject: [SDL] Frame Buffer patches...
Okay I'm new at patch generation - so please tell me if there's a better way
I could have done this.
Attached are two patch files generated with 'cvs diff -u'
SDL-fb-open-lock.patch applies to SDL_fbvideo.c
Modifies the open loop to check /dev/fb/0 found on devfs...
Modifies the lock code to return failure if the current virtual terminal
is not the one opened for frame buffer writing...
Lock would hang forever if switched away (ctrl-alt-F1) ...
SDL-fb-mousedrv-screensave.patch applies to SDL_fbevents.c
Switches default mouse mode based on SDL_MOUSEDRV - currently only
accepts PS2 - otherwise default is MS Mouse.
When the screen is switched - exisiting code (wrapped in ifdef
SAVE_SCREEN_COTENTS) would save the wrong bit of the screen....
( I run frame buffer 1600x1200, the size I requested was 800x600 - the
save would save the top 800 lines (non biased) and restore them... Adding
screen->offset fixed that )
However, if that option is not set, then a call to SDL_UpdateRect (full
screen) is made. (which may have had it's contents changed since the screen
is not entirely locked because of lock-failure patch)
Jim
[patches slightly tweaked for SDL 1.2.10]
author | Sam Lantinga <slouken@libsdl.org> |
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date | Wed, 22 Mar 2006 07:48:22 +0000 |
parents | d910939febfa |
children | 782fd950bd46 c121d94672cb a1b03ba2fcd0 |
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1 /* |
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2 SDL - Simple DirectMedia Layer |
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3 Copyright (C) 1997-2006 Sam Lantinga |
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4 |
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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 |
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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. |
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9 |
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10 This library is distributed in the hope that it will be useful, |
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 Lesser General Public License for more details. |
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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 |
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18 |
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19 Sam Lantinga |
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20 slouken@libsdl.org |
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21 */ |
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22 #include "SDL_config.h" |
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23 |
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24 #ifndef __SDL_PH_GL_H__ |
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25 #define __SDL_PH_GL_H__ |
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26 |
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27 #include "SDL_ph_video.h" |
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28 |
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29 #define DEFAULT_OPENGL "/usr/lib/libGL.so" |
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30 |
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31 #if SDL_VIDEO_OPENGL |
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32 void ph_GL_SwapBuffers(_THIS); |
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33 int ph_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value); |
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34 int ph_GL_LoadLibrary(_THIS, const char* path); |
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35 void* ph_GL_GetProcAddress(_THIS, const char* proc); |
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36 int ph_GL_MakeCurrent(_THIS); |
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37 |
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38 int ph_SetupOpenGLContext(_THIS, int width, int height, int bpp, Uint32 flags); |
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39 #endif /* SDL_VIDEO_OPENGL */ |
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40 |
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41 #endif /* __SDL_PH_GL_H__ */ |