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- /*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997, 1998, 1999, 2000 Sam Lantinga
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
-
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- Sam Lantinga
- slouken@devolution.com
- */
-
- #ifdef SAVE_RCSID
- static char rcsid =
- "@(#) $Id: SDL_x11gl_c.h,v 1.1.2.7 2000/07/27 04:37:52 hercules Exp $";
- #endif
-
- #include <stdio.h>
-
- #ifdef HAVE_OPENGL
- #include <GL/glx.h>
- #include <dlfcn.h>
- #endif
- #include "SDL_sysvideo.h"
-
- struct SDL_PrivateGLData {
- int gl_active; /* to stop switching drivers while we have a valid context */
-
- #ifdef HAVE_OPENGL
- GLXContext glx_context; /* Current GL context */
- XVisualInfo* glx_visualinfo; /* XVisualInfo* returned by glXChooseVisual */
-
- XVisualInfo* (*glXChooseVisual)
- ( Display* dpy,
- int screen,
- int* attribList );
-
- GLXContext (*glXCreateContext)
- ( Display* dpy,
- XVisualInfo* vis,
- GLXContext shareList,
- Bool direct );
-
- void (*glXDestroyContext)
- ( Display* dpy,
- GLXContext ctx );
-
- Bool (*glXMakeCurrent)
- ( Display* dpy,
- GLXDrawable drawable,
- GLXContext ctx );
-
- void (*glXSwapBuffers)
- ( Display* dpy,
- GLXDrawable drawable );
-
- int (*glXGetConfig)
- ( Display* dpy,
- XVisualInfo* visual_info,
- int attrib,
- int* value );
-
- void (*glXReleaseBuffersMESA)
- ( Display* dpy,
- GLXDrawable drawable );
-
- #endif /* HAVE_OPENGL */
- };
-
- /* Old variable names */
- #define gl_active (this->gl_data->gl_active)
- #define glx_context (this->gl_data->glx_context)
- #define glx_visualinfo (this->gl_data->glx_visualinfo)
-
- /* OpenGL functions */
- extern void *CGX_GL_GetVisual(_THIS);
- extern int CGX_GL_CreateWindow(_THIS, int w, int h);
- extern int CGX_GL_CreateContext(_THIS);
- extern void CGX_GL_Shutdown(_THIS);
- #ifdef HAVE_OPENGL
- extern int CGX_GL_MakeCurrent(_THIS);
- extern int CGX_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value);
- extern void CGX_GL_SwapBuffers(_THIS);
- extern int CGX_GL_LoadLibrary(_THIS, const char* path);
- extern void *CGX_GL_GetProcAddress(_THIS, const char* proc);
- #endif
- extern void CGX_GL_UnloadLibrary(_THIS);
-
-