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Aminet 44
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Aminet 44 (2001)(GTI - Schatztruhe)[!][Aug 2001].iso
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AmigaSDLsrc.lha
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SDL_cgxgl_c.h
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2000-08-11
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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);