annotate src/video/x11/SDL_x11gl_c.h @ 1656:96c2f89cc7e1 SDL-1.3

SDL-trunk-1.3-merge-1
author Sam Lantinga <slouken@libsdl.org>
date Thu, 27 Apr 2006 09:09:48 +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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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 #if SDL_VIDEO_OPENGL_GLX
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25 #include <GL/glx.h>
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26 #include "SDL_loadso.h"
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27 #endif
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28
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29 #include "../SDL_sysvideo.h"
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30
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31 struct SDL_PrivateGLData {
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32 int gl_active; /* to stop switching drivers while we have a valid context */
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33
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34 #if SDL_VIDEO_OPENGL_GLX
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35 GLXContext glx_context; /* Current GL context */
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36 XVisualInfo* glx_visualinfo; /* XVisualInfo* returned by glXChooseVisual */
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37
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38 void * (*glXGetProcAddress)(const GLubyte *procName);
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39
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40 XVisualInfo* (*glXChooseVisual)
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41 ( Display* dpy,
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42 int screen,
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43 int* attribList );
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44
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45 GLXContext (*glXCreateContext)
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46 ( Display* dpy,
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47 XVisualInfo* vis,
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48 GLXContext shareList,
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49 Bool direct );
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50
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51 void (*glXDestroyContext)
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52 ( Display* dpy,
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53 GLXContext ctx );
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54
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55 Bool (*glXMakeCurrent)
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56 ( Display* dpy,
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57 GLXDrawable drawable,
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58 GLXContext ctx );
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59
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60 void (*glXSwapBuffers)
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61 ( Display* dpy,
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62 GLXDrawable drawable );
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63
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64 int (*glXGetConfig)
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65 ( Display* dpy,
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66 XVisualInfo* visual_info,
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67 int attrib,
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68 int* value );
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69
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70 const char *(*glXQueryExtensionsString)
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71 ( Display* dpy,
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72 int screen );
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73
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74 int (*glXSwapIntervalSGI) ( int interval );
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75 GLint (*glXSwapIntervalMESA) ( unsigned interval );
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76 GLint (*glXGetSwapIntervalMESA) ( void );
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77
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78 #endif /* SDL_VIDEO_OPENGL_GLX */
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79 };
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80
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81 /* Old variable names */
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82 #define gl_active (this->gl_data->gl_active)
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83 #define glx_context (this->gl_data->glx_context)
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84 #define glx_visualinfo (this->gl_data->glx_visualinfo)
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85
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86 /* OpenGL functions */
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87 extern XVisualInfo *X11_GL_GetVisual(_THIS);
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88 extern int X11_GL_CreateWindow(_THIS, int w, int h);
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89 extern int X11_GL_CreateContext(_THIS);
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90 extern void X11_GL_Shutdown(_THIS);
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91 #if SDL_VIDEO_OPENGL_GLX
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92 extern int X11_GL_MakeCurrent(_THIS);
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93 extern int X11_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value);
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94 extern void X11_GL_SwapBuffers(_THIS);
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95 extern int X11_GL_LoadLibrary(_THIS, const char* path);
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96 extern void *X11_GL_GetProcAddress(_THIS, const char* proc);
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97 #endif
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98 extern void X11_GL_UnloadLibrary(_THIS);
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99