[sdl_omap.git] / src / video / x11 / SDL_x11gl_c.h

/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2009 Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 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
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Sam Lantinga
    slouken@libsdl.org
*/
#include "SDL_config.h"

#if SDL_VIDEO_OPENGL_GLX
#include <GL/glx.h>
#include "SDL_loadso.h"
#endif

#include "../SDL_sysvideo.h"

struct SDL_PrivateGLData {
    int gl_active; /* to stop switching drivers while we have a valid context */

#if SDL_VIDEO_OPENGL_GLX
    GLXContext glx_context;	/* Current GL context */
    XVisualInfo* glx_visualinfo; /* XVisualInfo* returned by glXChooseVisual */

    void * (*glXGetProcAddress)(const GLubyte *procName);

    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 );

    const char *(*glXQueryExtensionsString)
	    ( Display* dpy,
	      int screen );

    int (*glXSwapIntervalSGI) ( int interval );
    GLint (*glXSwapIntervalMESA) ( unsigned interval );
    int swap_interval;
#endif /* SDL_VIDEO_OPENGL_GLX */
};

/* 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 XVisualInfo *X11_GL_GetVisual(_THIS);
extern int X11_GL_CreateWindow(_THIS, int w, int h);
extern int X11_GL_CreateContext(_THIS);
extern void X11_GL_Shutdown(_THIS);
#if SDL_VIDEO_OPENGL_GLX
extern int X11_GL_MakeCurrent(_THIS);
extern int X11_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value);
extern void X11_GL_SwapBuffers(_THIS);
extern int X11_GL_LoadLibrary(_THIS, const char* path);
extern void *X11_GL_GetProcAddress(_THIS, const char* proc);
#endif
extern void X11_GL_UnloadLibrary(_THIS);
Commit	Line	Data
e14743d1	1	/*
	2	SDL - Simple DirectMedia Layer
	3	Copyright (C) 1997-2009 Sam Lantinga
	4
	5	This library is free software; you can redistribute it and/or
	6	modify it under the terms of the GNU Lesser General Public
	7	License as published by the Free Software Foundation; either
	8	version 2.1 of the License, or (at your option) any later version.
	9
	10	This library is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	Lesser General Public License for more details.
	14
	15	You should have received a copy of the GNU Lesser General Public
	16	License along with this library; if not, write to the Free Software
	17	Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	18
	19	Sam Lantinga
	20	slouken@libsdl.org
	21	*/
	22	#include "SDL_config.h"
	23
	24	#if SDL_VIDEO_OPENGL_GLX
	25	#include <GL/glx.h>
	26	#include "SDL_loadso.h"
	27	#endif
	28
	29	#include "../SDL_sysvideo.h"
	30
	31	struct SDL_PrivateGLData {
	32	int gl_active; /* to stop switching drivers while we have a valid context */
	33
	34	#if SDL_VIDEO_OPENGL_GLX
	35	GLXContext glx_context; /* Current GL context */
	36	XVisualInfo* glx_visualinfo; /* XVisualInfo* returned by glXChooseVisual */
	37
	38	void * (glXGetProcAddress)(const GLubyte procName);
	39
	40	XVisualInfo* (*glXChooseVisual)
	41	( Display* dpy,
	42	int screen,
	43	int* attribList );
	44
	45	GLXContext (*glXCreateContext)
	46	( Display* dpy,
	47	XVisualInfo* vis,
	48	GLXContext shareList,
	49	Bool direct );
	50
	51	void (*glXDestroyContext)
	52	( Display* dpy,
	53	GLXContext ctx );
	54
	55	Bool (*glXMakeCurrent)
	56	( Display* dpy,
	57	GLXDrawable drawable,
	58	GLXContext ctx );
	59
	60	void (*glXSwapBuffers)
	61	( Display* dpy,
	62	GLXDrawable drawable );
	63
	64	int (*glXGetConfig)
65	( Display* dpy,
66	XVisualInfo* visual_info,
67	int attrib,
68	int* value );
69
70	const char (glXQueryExtensionsString)
71	( Display* dpy,
72	int screen );
73
74	int (*glXSwapIntervalSGI) ( int interval );
75	GLint (*glXSwapIntervalMESA) ( unsigned interval );
76	int swap_interval;
77	#endif /* SDL_VIDEO_OPENGL_GLX */
78	};
79
80	/* Old variable names */
81	#define gl_active (this->gl_data->gl_active)
82	#define glx_context (this->gl_data->glx_context)
83	#define glx_visualinfo (this->gl_data->glx_visualinfo)
84
85	/* OpenGL functions */
86	extern XVisualInfo *X11_GL_GetVisual(_THIS);
87	extern int X11_GL_CreateWindow(_THIS, int w, int h);
88	extern int X11_GL_CreateContext(_THIS);
89	extern void X11_GL_Shutdown(_THIS);
90	#if SDL_VIDEO_OPENGL_GLX
91	extern int X11_GL_MakeCurrent(_THIS);
92	extern int X11_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value);
93	extern void X11_GL_SwapBuffers(_THIS);
94	extern int X11_GL_LoadLibrary(_THIS, const char* path);
95	extern void X11_GL_GetProcAddress(_THIS, const char proc);
96	#endif
97	extern void X11_GL_UnloadLibrary(_THIS);
98