annotate src/video/x11/SDL_x11gl_c.h @ 315:3333b6e68289

Date: Sat, 23 Mar 2002 13:53:37 +0200 From: "Mike Gorchak" <mike@malva.ua> Subject: Big QNX patch again. Added 8bit palette emulation code for window mode with bpp>=15. Added store/restore original palette for 8bit modes. Added more information about photon API call fails. Rewroten change palette code, slow but works. Fixed bug with set caption before window was inited. Fixed bugs with some initial state of variables. Fixed bug with storing old video mode settings. Fixed bug with switching to fullscreen mode and back. Fixed few double SEGFAULTS during parachute mode. Removed compilation warning with no PgWaitHWIdle prototype. Removed pack of dead unusable code. Cleanups SDL_PrivateVideoData structure, some headers. Some code formatting.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 23 Mar 2002 20:19:44 +0000
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children b0108e9dea53
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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, 2002 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@libsdl.org
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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 #ifdef HAVE_OPENGL
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29 #include <GL/glx.h>
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30 #include <dlfcn.h>
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31 #if defined(__OpenBSD__) && !defined(__ELF__)
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32 #define dlsym(x,y) dlsym(x, "_" y)
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33 #endif
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34 #endif
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35 #include "SDL_sysvideo.h"
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36
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37 struct SDL_PrivateGLData {
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38 int gl_active; /* to stop switching drivers while we have a valid context */
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39
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40 #ifdef HAVE_OPENGL
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41 GLXContext glx_context; /* Current GL context */
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42 XVisualInfo* glx_visualinfo; /* XVisualInfo* returned by glXChooseVisual */
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43
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44 void * (*glXGetProcAddress)(const GLubyte *procName);
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45
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46 XVisualInfo* (*glXChooseVisual)
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47 ( Display* dpy,
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48 int screen,
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49 int* attribList );
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50
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51 GLXContext (*glXCreateContext)
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52 ( Display* dpy,
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53 XVisualInfo* vis,
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54 GLXContext shareList,
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55 Bool direct );
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56
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57 void (*glXDestroyContext)
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58 ( Display* dpy,
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59 GLXContext ctx );
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60
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61 Bool (*glXMakeCurrent)
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62 ( Display* dpy,
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63 GLXDrawable drawable,
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64 GLXContext ctx );
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65
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66 void (*glXSwapBuffers)
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67 ( Display* dpy,
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68 GLXDrawable drawable );
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69
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70 int (*glXGetConfig)
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71 ( Display* dpy,
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72 XVisualInfo* visual_info,
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73 int attrib,
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74 int* value );
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75
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76 void (*glXReleaseBuffersMESA)
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77 ( Display* dpy,
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78 GLXDrawable drawable );
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79
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80 #endif /* HAVE_OPENGL */
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81 };
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82
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83 /* Old variable names */
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84 #define gl_active (this->gl_data->gl_active)
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85 #define glx_context (this->gl_data->glx_context)
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86 #define glx_visualinfo (this->gl_data->glx_visualinfo)
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87
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88 /* OpenGL functions */
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89 extern XVisualInfo *X11_GL_GetVisual(_THIS);
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90 extern int X11_GL_CreateWindow(_THIS, int w, int h);
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91 extern int X11_GL_CreateContext(_THIS);
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92 extern void X11_GL_Shutdown(_THIS);
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93 #ifdef HAVE_OPENGL
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94 extern int X11_GL_MakeCurrent(_THIS);
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95 extern int X11_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value);
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96 extern void X11_GL_SwapBuffers(_THIS);
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97 extern int X11_GL_LoadLibrary(_THIS, const char* path);
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98 extern void *X11_GL_GetProcAddress(_THIS, const char* proc);
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99 #endif
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100 extern void X11_GL_UnloadLibrary(_THIS);
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101