86 lines
2.7 KiB
C
86 lines
2.7 KiB
C
/*
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* Copyright (C) 2010-2011 Chia-I Wu <olvaffe@gmail.com>
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* Copyright (C) 2010-2011 LunarG Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _GRALLOC_DRM_HANDLE_H_
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#define _GRALLOC_DRM_HANDLE_H_
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#include <cutils/native_handle.h>
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#include <system/graphics.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct gralloc_drm_bo_t;
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struct gralloc_drm_handle_t {
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native_handle_t base;
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/* file descriptors */
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int prime_fd;
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/* integers */
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int magic;
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int width;
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int height;
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int format;
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int usage;
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int name; /* the name of the bo */
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int stride; /* the stride in bytes */
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struct gralloc_drm_bo_t *data; /* pointer to struct gralloc_drm_bo_t */
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// FIXME: the attributes below should be out-of-line
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uint64_t unknown __attribute__((aligned(8)));
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int data_owner; /* owner of data (for validation) */
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};
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#define GRALLOC_DRM_HANDLE_MAGIC 0x12345678
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#define GRALLOC_DRM_HANDLE_NUM_FDS 1
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#define GRALLOC_DRM_HANDLE_NUM_INTS ( \
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((sizeof(struct gralloc_drm_handle_t) - sizeof(native_handle_t))/sizeof(int)) \
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- GRALLOC_DRM_HANDLE_NUM_FDS)
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static inline struct gralloc_drm_handle_t *gralloc_drm_handle(buffer_handle_t _handle)
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{
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struct gralloc_drm_handle_t *handle =
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(struct gralloc_drm_handle_t *) _handle;
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if (handle && (handle->base.version != sizeof(handle->base) ||
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handle->base.numInts != GRALLOC_DRM_HANDLE_NUM_INTS ||
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handle->base.numFds != GRALLOC_DRM_HANDLE_NUM_FDS ||
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handle->magic != GRALLOC_DRM_HANDLE_MAGIC)) {
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ALOGE("invalid handle: version=%d, numInts=%d, numFds=%d, magic=%x",
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handle->base.version, handle->base.numInts,
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handle->base.numFds, handle->magic);
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handle = NULL;
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}
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return handle;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* _GRALLOC_DRM_HANDLE_H_ */
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