/*

 * Copyright (C) 2009 Splitted-Desktop Systems. All Rights Reserved.

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and associated documentation files (the

 * "Software"), to deal in the Software without restriction, including

 * without limitation the rights to use, copy, modify, merge, publish,

 * distribute, sub license, and/or sell copies of the Software, and to

 * permit persons to whom the Software is furnished to do so, subject to

 * the following conditions:

 * 

 * The above copyright notice and this permission notice (including the

 * next paragraph) shall be included in all copies or substantial portions

 * of the Software.

 * 

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.

 * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR

 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

 */

#ifndef VA_GLX_PRIVATE_H

#define VA_GLX_PRIVATE_H

#include "sysdeps.h"

#include "va.h"

#include "va_backend.h"

#include "va_x11.h"

#include "va_glx.h"

#include "va_backend_glx.h"

#include <GL/glxext.h>

#if GLX_GLXEXT_VERSION < 18

typedef void (*PFNGLXBINDTEXIMAGEEXTPROC)(Display *, GLXDrawable, int, const int *);

typedef void (*PFNGLXRELEASETEXIMAGEEXTPROC)(Display *, GLXDrawable, int);

#endif

#if GLX_GLXEXT_VERSION < 27

/* XXX: this is not exactly that version but this is the only means to

   make sure we have the correct <GL/glx.h> with those signatures */

typedef GLXPixmap (*PFNGLXCREATEPIXMAPPROC)(Display *, GLXFBConfig, Pixmap, const int *);

typedef void (*PFNGLXDESTROYPIXMAPPROC)(Display *, GLXPixmap);

#endif

typedef struct VAOpenGLVTable *VAOpenGLVTableP;

struct VAOpenGLVTable {

    PFNGLXCREATEPIXMAPPROC              glx_create_pixmap;

    PFNGLXDESTROYPIXMAPPROC             glx_destroy_pixmap;

    PFNGLXBINDTEXIMAGEEXTPROC           glx_bind_tex_image;

    PFNGLXRELEASETEXIMAGEEXTPROC        glx_release_tex_image;

    PFNGLGENFRAMEBUFFERSEXTPROC         gl_gen_framebuffers;

    PFNGLDELETEFRAMEBUFFERSEXTPROC      gl_delete_framebuffers;

    PFNGLBINDFRAMEBUFFEREXTPROC         gl_bind_framebuffer;

    PFNGLGENRENDERBUFFERSEXTPROC        gl_gen_renderbuffers;

    PFNGLDELETERENDERBUFFERSEXTPROC     gl_delete_renderbuffers;

    PFNGLBINDRENDERBUFFEREXTPROC        gl_bind_renderbuffer;

    PFNGLRENDERBUFFERSTORAGEEXTPROC     gl_renderbuffer_storage;

    PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC gl_framebuffer_renderbuffer;

    PFNGLFRAMEBUFFERTEXTURE2DEXTPROC    gl_framebuffer_texture_2d;

    PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC  gl_check_framebuffer_status;

};

typedef struct VADisplayContextGLX *VADisplayContextGLXP;

typedef struct VADriverContextGLX  *VADriverContextGLXP;

typedef struct VASurfaceGLX        *VASurfaceGLXP;

typedef struct VADriverVTableGLX   *VADriverVTableGLXP;

typedef void (*vaDestroyFunc)(VADisplayContextP);

struct VADisplayContextGLX {

    vaDestroyFunc vaDestroy;

};

#define VA_DRIVER_CONTEXT_GLX(ctx) ((VADriverContextGLXP)((ctx)->glx))

struct VADriverContextGLX {

    struct VADriverVTableGLX    vtable;

    struct VAOpenGLVTable       gl_vtable;

    unsigned int                is_initialized  : 1;

};

#endif /* VA_GLX_PRIVATE_H */