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 "gralloc_drm_formats.h"
30 struct gralloc_drm_handle_t {
33 #define GRALLOC_DRM_HANDLE_MAGIC 0x12345678
34 #define GRALLOC_DRM_HANDLE_NUM_INTS 9
35 #define GRALLOC_DRM_HANDLE_NUM_FDS 0
43 int name; /* the name of the bo */
44 int stride; /* the stride in bytes */
46 int data_owner; /* owner of data (for validation) */
47 int data; /* pointer to struct gralloc_drm_bo_t */
50 static inline struct gralloc_drm_handle_t *gralloc_drm_handle(buffer_handle_t _handle)
52 struct gralloc_drm_handle_t *handle =
53 (struct gralloc_drm_handle_t *) _handle;
55 if (handle && (handle->base.version != sizeof(handle->base) ||
56 handle->base.numInts != GRALLOC_DRM_HANDLE_NUM_INTS ||
57 handle->base.numFds != GRALLOC_DRM_HANDLE_NUM_FDS ||
58 handle->magic != GRALLOC_DRM_HANDLE_MAGIC))
64 static inline void gralloc_drm_yuv_offsets(buffer_handle_t _handle,
65 int *y, int *u, int *v)
67 struct gralloc_drm_handle_t *handle = gralloc_drm_handle(_handle);
68 if (handle && *y && *u && *v) {
70 switch (handle->format) {
71 case HAL_PIXEL_FORMAT_YV12:
72 *v = handle->stride * handle->height;
73 *u = *v + handle->height/2;
75 case HAL_PIXEL_FORMAT_DRM_NV12:
76 *u = *v = handle->stride * handle->height;
82 #endif /* _GRALLOC_DRM_HANDLE_H_ */