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/*
* Copyright (C) 2010-2011 Chia-I Wu <olvaffe@gmail.com>
* Copyright (C) 2010-2011 LunarG Inc.
*
* 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 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.
*/
#ifndef _GRALLOC_DRM_HANDLE_H_
#define _GRALLOC_DRM_HANDLE_H_
#include <cutils/native_handle.h>
#include "gralloc_drm_formats.h"
#ifdef __cplusplus
extern "C" {
#endif
struct gralloc_drm_bo_t;
struct gralloc_drm_handle_t {
native_handle_t base;
/* file descriptors */
int prime_fd;
int magic;
int width;
int height;
int format;
int usage;
unsigned int plane_mask; /* planes that support handle */
int name; /* the name of the bo */
int stride; /* the stride in bytes */
int data_owner; /* owner of data (for validation) */
union {
struct gralloc_drm_bo_t *data; /* pointer to struct gralloc_drm_bo_t */
int64_t __padding;
} __attribute__((aligned(8)));
};
#define GRALLOC_DRM_HANDLE_MAGIC 0x12345678
#define GRALLOC_DRM_HANDLE_NUM_FDS 0
#define GRALLOC_DRM_HANDLE_NUM_INTS ( \
((sizeof(struct gralloc_drm_handle_t) - sizeof(native_handle_t))/sizeof(int)) \
- GRALLOC_DRM_HANDLE_NUM_FDS)
static inline struct gralloc_drm_handle_t *gralloc_drm_handle(buffer_handle_t _handle)
{
struct gralloc_drm_handle_t *handle =
(struct gralloc_drm_handle_t *) _handle;
if (handle && (handle->base.version != sizeof(handle->base) ||
handle->base.numInts != GRALLOC_DRM_HANDLE_NUM_INTS ||
handle->base.numFds != GRALLOC_DRM_HANDLE_NUM_FDS ||
handle->magic != GRALLOC_DRM_HANDLE_MAGIC))
handle = NULL;
return handle;
}
#ifdef __cplusplus
}
#endif
#endif /* _GRALLOC_DRM_HANDLE_H_ */
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