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annotate src/video/x11/SDL_x11gl_c.h @ 1944:91f41fc124a7

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The AAlib driver is fun, but not worth rewriting for SDL 1.3
author Sam Lantinga <slouken@libsdl.org>
date Wed, 26 Jul 2006 03:24:27 +0000
parents c121d94672cb
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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 #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 {
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33 int gl_active; /* to stop switching drivers while we have a valid context */
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34
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35 #if SDL_VIDEO_OPENGL_GLX
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36 GLXContext glx_context; /* Current GL context */
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37 XVisualInfo *glx_visualinfo; /* XVisualInfo* returned by glXChooseVisual */
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38
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39 void *(*glXGetProcAddress) (const GLubyte * procName);
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40
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41 XVisualInfo *(*glXChooseVisual)
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42 (Display * dpy, int screen, int *attribList);
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43
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44 GLXContext(*glXCreateContext)
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45 (Display * dpy, XVisualInfo * vis, GLXContext shareList, Bool direct);
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46
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47 void (*glXDestroyContext) (Display * dpy, GLXContext ctx);
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48
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49 Bool(*glXMakeCurrent)
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50 (Display * dpy, GLXDrawable drawable, GLXContext ctx);
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51
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52 void (*glXSwapBuffers) (Display * dpy, GLXDrawable drawable);
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53
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54 int (*glXGetConfig)
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55 (Display * dpy, XVisualInfo * visual_info, int attrib, int *value);
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56
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57 const char *(*glXQueryExtensionsString) (Display * dpy, int screen);
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58
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59 int (*glXSwapIntervalSGI) (int interval);
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60 GLint(*glXSwapIntervalMESA) (unsigned interval);
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61 GLint(*glXGetSwapIntervalMESA) (void);
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62
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63 #endif /* SDL_VIDEO_OPENGL_GLX */
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64 };
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65
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66 /* Old variable names */
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67 #define gl_active (this->gl_data->gl_active)
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68 #define glx_context (this->gl_data->glx_context)
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69 #define glx_visualinfo (this->gl_data->glx_visualinfo)
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70
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71 /* OpenGL functions */
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72 extern XVisualInfo *X11_GL_GetVisual(_THIS);
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73 extern int X11_GL_CreateWindow(_THIS, int w, int h);
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74 extern int X11_GL_CreateContext(_THIS);
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75 extern void X11_GL_Shutdown(_THIS);
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76 #if SDL_VIDEO_OPENGL_GLX
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77 extern int X11_GL_MakeCurrent(_THIS);
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78 extern int X11_GL_GetAttribute(_THIS, SDL_GLattr attrib, int *value);
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79 extern void X11_GL_SwapBuffers(_THIS);
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80 extern int X11_GL_LoadLibrary(_THIS, const char *path);
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81 extern void *X11_GL_GetProcAddress(_THIS, const char *proc);
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82 #endif
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83 extern void X11_GL_UnloadLibrary(_THIS);
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84 /* vi: set ts=4 sw=4 expandtab: */