/* * 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 /* 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); void *(*bo_map)(struct gbm_bo *bo, uint32_t x, uint32_t y, uint32_t width, uint32_t height, uint32_t flags, uint32_t *stride, void **map_data); void (*bo_unmap)(struct gbm_bo *bo, void *map_data); 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