| /* |
| * 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 <benjaminfranzke@googlemail.com> |
| */ |
| |
| #ifndef INTERNAL_H_ |
| #define INTERNAL_H_ |
| |
| #include "gbm.h" |
| #include <sys/stat.h> |
| |
| /* GCC visibility */ |
| #if defined(__GNUC__) |
| #define GBM_EXPORT __attribute__ ((visibility("default"))) |
| #else |
| #define GBM_EXPORT |
| #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); |
| int (*bo_get_fd)(struct gbm_bo *bo); |
| 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); |
| }; |
| |
| struct gbm_device * |
| _gbm_mesa_get_device(int fd); |
| |
| #endif |