1 /* 2 * Copyright 2016 The Chromium OS Authors. All rights reserved. 3 * Use of this source code is governed by a BSD-style license that can be 4 * found in the LICENSE file. 5 */ 6 7 #ifndef CROS_GRALLOC_HANDLE_H 8 #define CROS_GRALLOC_HANDLE_H 9 10 #include <cstdint> 11 #include <cutils/native_handle.h> 12 13 #define DRV_MAX_PLANES 4 14 #define DRV_MAX_FDS (DRV_MAX_PLANES + 1) 15 16 struct cros_gralloc_handle : public native_handle_t { 17 /* 18 * File descriptors must immediately follow the native_handle_t base and used file 19 * descriptors must be packed at the beginning of this array to work with 20 * native_handle_clone(). 21 * 22 * This field contains 'num_planes' plane file descriptors followed by an optional metadata 23 * reserved region file descriptor if 'reserved_region_size' is greater than zero. 24 */ 25 int32_t fds[DRV_MAX_FDS]; 26 uint32_t strides[DRV_MAX_PLANES]; 27 uint32_t offsets[DRV_MAX_PLANES]; 28 uint32_t sizes[DRV_MAX_PLANES]; 29 uint32_t id; 30 uint32_t width; 31 uint32_t height; 32 uint32_t format; /* DRM format */ 33 uint32_t tiling; 34 uint64_t format_modifier; 35 uint64_t use_flags; /* Buffer creation flags */ 36 uint32_t magic; 37 uint32_t pixel_stride; 38 int32_t droid_format; 39 int64_t usage; /* Android usage. */ 40 uint32_t num_planes; 41 uint64_t reserved_region_size; 42 uint64_t total_size; /* Total allocation size */ 43 } __attribute__((packed)); 44 45 typedef const struct cros_gralloc_handle *cros_gralloc_handle_t; 46 47 #endif 48