src/gbm/main/gbmint.h

   1 /*
   2  * Copyright © 2011 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  19  * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  20  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors:
  25  *    Benjamin Franzke <benjaminfranzke@googlemail.com>
  26  */
  27
  28 #ifndef INTERNAL_H_
  29 #define INTERNAL_H_
  30
  31 #include "gbm.h"
  32 #include <sys/stat.h>
  33
  34 /* GCC visibility */
  35 #if defined(__GNUC__) && __GNUC__ >= 4
  36 #define GBM_EXPORT __attribute__ ((visibility("default")))
  37 #else
  38 #define GBM_EXPORT
  39 #endif
  40
  41 struct gbm_device {
  42    /* Hack to make a gbm_device detectable by its first element. */
  43    struct gbm_device *(*dummy)(int);
  44
  45    int fd;
  46    const char *name;
  47    unsigned int refcount;
  48    struct stat stat;
  49
  50    void (*destroy)(struct gbm_device *gbm);
  51    int (*is_format_supported)(struct gbm_device *gbm,
  52                               enum gbm_bo_format format,
  53                               uint32_t usage);
  54
  55    struct gbm_bo *(*bo_create)(struct gbm_device *gbm,
  56                                uint32_t width, uint32_t height,
  57                                enum gbm_bo_format format,
  58                                uint32_t usage);
  59    struct gbm_bo *(*bo_create_from_egl_image)(struct gbm_device *gbm,
  60                                               void *egl_dpy, void *egl_img,
  61                                               uint32_t width, uint32_t height,
  62                                               uint32_t usage);
  63    void (*bo_destroy)(struct gbm_bo *bo);
  64 };
  65
  66 struct gbm_bo {
  67    struct gbm_device *gbm;
  68    uint32_t width;
  69    uint32_t height;
  70    uint32_t pitch;
  71    union gbm_bo_handle  handle;
  72 };
  73
  74 struct gbm_backend {
  75    const char *backend_name;
  76    struct gbm_device *(*create_device)(int fd);
  77 };
  78
  79 GBM_EXPORT struct gbm_device *
  80 _gbm_mesa_get_device(int fd);
  81
  82 #endif