2 * Copyright (C) 2010-2011 Chia-I Wu <olvaffe@gmail.com>
3 * Copyright (C) 2010-2011 LunarG Inc.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included
13 * in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
24 #ifndef _GRALLOC_DRM_HANDLE_H_
25 #define _GRALLOC_DRM_HANDLE_H_
27 #include <cutils/native_handle.h>
28 #include <system/graphics.h>
34 struct gralloc_drm_bo_t;
36 struct gralloc_drm_handle_t {
39 #define GRALLOC_DRM_HANDLE_MAGIC 0x12345678
40 #define GRALLOC_DRM_HANDLE_NUM_INTS 10
41 #define GRALLOC_DRM_HANDLE_NUM_FDS 0
49 unsigned int plane_mask; /* planes that support handle */
51 int name; /* the name of the bo */
52 int stride; /* the stride in bytes */
54 int data_owner; /* owner of data (for validation) */
55 struct gralloc_drm_bo_t *data; /* pointer to struct gralloc_drm_bo_t */
58 static inline struct gralloc_drm_handle_t *gralloc_drm_handle(buffer_handle_t _handle)
60 struct gralloc_drm_handle_t *handle =
61 (struct gralloc_drm_handle_t *) _handle;
63 if (handle && (handle->base.version != sizeof(handle->base) ||
64 handle->base.numInts != GRALLOC_DRM_HANDLE_NUM_INTS ||
65 handle->base.numFds != GRALLOC_DRM_HANDLE_NUM_FDS ||
66 handle->magic != GRALLOC_DRM_HANDLE_MAGIC))
75 #endif /* _GRALLOC_DRM_HANDLE_H_ */