Mercurial > sdl-ios-xcode
diff src/video/cybergfx/SDL_cgxgl_c.h @ 0:74212992fb08
Initial revision
author | Sam Lantinga <slouken@lokigames.com> |
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date | Thu, 26 Apr 2001 16:45:43 +0000 |
parents | |
children | e8157fcb3114 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/video/cybergfx/SDL_cgxgl_c.h Thu Apr 26 16:45:43 2001 +0000 @@ -0,0 +1,98 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997, 1998, 1999, 2000, 2001 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 = + "@(#) $Id$"; +#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); +