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/*

 * Copyright © 2011 Intel Corporation

 *

 * 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, sublicense,

 * 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

 * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

 * HOLDERS 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.

 *

 * Authors:

 *    Benjamin Franzke 

 */

#ifndef INTERNAL_H_

#define INTERNAL_H_

#include "gbm.h"

#include 

#if defined(BUILD_GL32)

#   define GBM_EXPORT __declspec(dllexport)

#else

#   define GBM_EXPORT __declspec(dllimport)

#endif

/**

 * \file gbmint.h

 * \brief Internal implementation details of gbm

 */

/**

 * The device used for the memory allocation.

 *

 * The members of this structure should be not accessed directly

 */

struct gbm_device {

   /* Hack to make a gbm_device detectable by its first element. */

   struct gbm_device *(*dummy)(int);

   int fd;

   const char *name;

   unsigned int refcount;

   struct stat stat;

   void (*destroy)(struct gbm_device *gbm);

   int (*is_format_supported)(struct gbm_device *gbm,

                              uint32_t format,

                              uint32_t usage);

   struct gbm_bo *(*bo_create)(struct gbm_device *gbm,

                               uint32_t width, uint32_t height,

                               uint32_t format,

                               uint32_t usage);

   struct gbm_bo *(*bo_import)(struct gbm_device *gbm, uint32_t type,

                               void *buffer, uint32_t usage);

   int (*bo_write)(struct gbm_bo *bo, const void *buf, size_t data);

   void (*bo_destroy)(struct gbm_bo *bo);

   struct gbm_surface *(*surface_create)(struct gbm_device *gbm,

                                         uint32_t width, uint32_t height,

                                         uint32_t format, uint32_t flags);

   struct gbm_bo *(*surface_lock_front_buffer)(struct gbm_surface *surface);

   void (*surface_release_buffer)(struct gbm_surface *surface,

                                  struct gbm_bo *bo);

   int (*surface_has_free_buffers)(struct gbm_surface *surface);

   void (*surface_destroy)(struct gbm_surface *surface);

};

/**

 * The allocated buffer object.

 *

 * The members in this structure should not be accessed directly.

 */

struct gbm_bo {

   struct gbm_device *gbm;

   uint32_t width;

   uint32_t height;

   uint32_t stride;

   uint32_t format;

   union gbm_bo_handle  handle;

   void *user_data;

   void (*destroy_user_data)(struct gbm_bo *, void *);

};

struct gbm_surface {

   struct gbm_device *gbm;

   uint32_t width;

   uint32_t height;

   uint32_t format;

   uint32_t flags;

};

struct gbm_backend {

   const char *backend_name;

   struct gbm_device *(*create_device)(int fd);

};

GBM_EXPORT struct gbm_device *

_gbm_mesa_get_device(int fd);

#endif