annotate src/video/cybergfx/SDL_cgxgl_c.h @ 172:37e3ca9254c7

Date: Sat, 8 Sep 2001 04:42:23 +0200 From: Max Horn <max@quendi.de> Subject: SDL/OSX: Joystick; Better key handling I just finished implementing improved keyhandling for OS X (in fact the code should be easily ported to the "normal" MacOS part of SDL, I just had no chance yet). Works like this: First init the mapping table statically like before. Them, it queries the OS for the "official" key table, then iterates over all 127 scancode and gets the associates ascii code. It ignores everythng below 32 (has to, as it would lead to many problems if we did not... e.g. both ESC and NUM LOCk produce an ascii code 27 on my keyboard), and all stuff above 127 is mapped to SDLK_WORLD_* simply in the order it is encountered. In addition, caps lock is now working, too. The code work flawless for me, but since I only have one keyboard, I may have not encountered some serious problem... but I am pretty confident that it is better than the old code in most cases. The joystick driver works fine for me, too. I think it can be added to CVS already. It would simply be helpful if more people would test it. Hm, I wonder if Maelstrom or GLTron has Joystick support? That would be a wonderful test application :) I also took the liberty of modifying some text files like BUGS, README.CVS, README.MacOSX (which now contains the OS X docs I long promised)
author Sam Lantinga <slouken@libsdl.org>
date Tue, 11 Sep 2001 19:00:18 +0000
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001 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 Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 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 Library 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 Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@devolution.com
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 #include <stdio.h>
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29
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30 #ifdef HAVE_OPENGL
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31 #include <GL/glx.h>
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32 #include <dlfcn.h>
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33 #endif
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34 #include "SDL_sysvideo.h"
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35
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36 struct SDL_PrivateGLData {
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37 int gl_active; /* to stop switching drivers while we have a valid context */
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38
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39 #ifdef HAVE_OPENGL
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40 GLXContext glx_context; /* Current GL context */
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41 XVisualInfo* glx_visualinfo; /* XVisualInfo* returned by glXChooseVisual */
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42
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43 XVisualInfo* (*glXChooseVisual)
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44 ( Display* dpy,
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45 int screen,
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46 int* attribList );
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47
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48 GLXContext (*glXCreateContext)
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49 ( Display* dpy,
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50 XVisualInfo* vis,
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51 GLXContext shareList,
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52 Bool direct );
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53
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54 void (*glXDestroyContext)
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55 ( Display* dpy,
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56 GLXContext ctx );
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57
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58 Bool (*glXMakeCurrent)
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59 ( Display* dpy,
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60 GLXDrawable drawable,
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61 GLXContext ctx );
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62
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63 void (*glXSwapBuffers)
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64 ( Display* dpy,
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65 GLXDrawable drawable );
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66
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67 int (*glXGetConfig)
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68 ( Display* dpy,
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69 XVisualInfo* visual_info,
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70 int attrib,
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71 int* value );
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72
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73 void (*glXReleaseBuffersMESA)
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74 ( Display* dpy,
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75 GLXDrawable drawable );
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76
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77 #endif /* HAVE_OPENGL */
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78 };
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79
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80 /* Old variable names */
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81 #define gl_active (this->gl_data->gl_active)
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82 #define glx_context (this->gl_data->glx_context)
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83 #define glx_visualinfo (this->gl_data->glx_visualinfo)
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84
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85 /* OpenGL functions */
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86 extern void *CGX_GL_GetVisual(_THIS);
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87 extern int CGX_GL_CreateWindow(_THIS, int w, int h);
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88 extern int CGX_GL_CreateContext(_THIS);
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89 extern void CGX_GL_Shutdown(_THIS);
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90 #ifdef HAVE_OPENGL
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91 extern int CGX_GL_MakeCurrent(_THIS);
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92 extern int CGX_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value);
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93 extern void CGX_GL_SwapBuffers(_THIS);
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94 extern int CGX_GL_LoadLibrary(_THIS, const char* path);
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95 extern void *CGX_GL_GetProcAddress(_THIS, const char* proc);
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96 #endif
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97 extern void CGX_GL_UnloadLibrary(_THIS);
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98