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63 lines
2 KiB
C
63 lines
2 KiB
C
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/*
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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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* Copyright (C) 2016 Linaro, Ltd., Rob Herring <robh@kernel.org>
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* Copyright (C) 2018 Collabora, Robert Foss <robert.foss@collabora.com>
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*
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* SPDX-License-Identifier: MIT
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*
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* Copied from:
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* https://gitlab.freedesktop.org/mesa/drm/-/blob/6abc164052e4902f67213baa279d743cf46227d4/android/gralloc_handle.h
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*/
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#ifndef __ANDROID_GRALLOC_HANDLE_H__
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#define __ANDROID_GRALLOC_HANDLE_H__
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#include <cutils/native_handle.h>
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#include <stdint.h>
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struct gralloc_handle_t {
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native_handle_t base;
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/* dma-buf file descriptor
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* Must be located first since, native_handle_t is allocated
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* using native_handle_create(), which allocates space for
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* sizeof(native_handle_t) + sizeof(int) * (numFds + numInts)
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* numFds = GRALLOC_HANDLE_NUM_FDS
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* numInts = GRALLOC_HANDLE_NUM_INTS
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* Where numFds represents the number of FDs and
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* numInts represents the space needed for the
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* remainder of this struct.
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* And the FDs are expected to be found first following
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* native_handle_t.
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*/
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int prime_fd;
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/* api variables */
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uint32_t magic; /* differentiate between allocator impls */
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uint32_t version; /* api version */
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uint32_t width; /* width of buffer in pixels */
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uint32_t height; /* height of buffer in pixels */
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uint32_t format; /* pixel format (Android) */
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uint32_t usage; /* android libhardware usage flags */
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uint32_t stride; /* the stride in bytes */
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int data_owner; /* owner of data (for validation) */
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uint64_t modifier __attribute__((aligned(8))); /* buffer modifiers */
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union {
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void *data; /* pointer to struct gralloc_gbm_bo_t */
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uint64_t reserved;
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} __attribute__((aligned(8)));
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};
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#define GRALLOC_HANDLE_VERSION 4
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#define GRALLOC_HANDLE_MAGIC 0x60585350
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#define GRALLOC_HANDLE_NUM_FDS 1
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#define GRALLOC_HANDLE_NUM_INTS ( \
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((sizeof(struct gralloc_handle_t) - sizeof(native_handle_t))/sizeof(int)) \
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- GRALLOC_HANDLE_NUM_FDS)
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#endif /* __ANDROID_GRALLOC_HANDLE_H__ */
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