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Diffstat (limited to 'GrallocHAL/src/mali_gralloc_buffer.h')
| -rw-r--r-- | GrallocHAL/src/mali_gralloc_buffer.h | 426 |
1 files changed, 0 insertions, 426 deletions
diff --git a/GrallocHAL/src/mali_gralloc_buffer.h b/GrallocHAL/src/mali_gralloc_buffer.h deleted file mode 100644 index a163d1a..0000000 --- a/GrallocHAL/src/mali_gralloc_buffer.h +++ /dev/null @@ -1,426 +0,0 @@ -/* - * Copyright (C) 2017-2020 ARM Limited. All rights reserved. - * - * Copyright (C) 2008 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -#ifndef MALI_GRALLOC_BUFFER_H_ -#define MALI_GRALLOC_BUFFER_H_ - -#include <stdint.h> -#include <unistd.h> -#include <errno.h> -#include <string.h> -#include <sys/mman.h> -#include <cutils/native_handle.h> -#include <string.h> -#include <log/log.h> -#include <inttypes.h> - -/* the max string size of GRALLOC_HARDWARE_GPU0 & GRALLOC_HARDWARE_FB0 - * 8 is big enough for "gpu0" & "fb0" currently - */ -#define MALI_GRALLOC_HARDWARE_MAX_STR_LEN 8 - -/* Define number of shared file descriptors. Not guaranteed to be constant for a private_handle_t object - * as fds that do not get initialized may instead be treated as integers. - */ - -#define NUM_INTS_IN_PRIVATE_HANDLE ((sizeof(struct private_handle_t) - sizeof(native_handle)) / sizeof(int)) - -#define SZ_4K 0x00001000 -#define SZ_2M 0x00200000 - -/* - * Maximum number of pixel format planes. - * Plane [0]: Single plane formats (inc. RGB, YUV) and Y - * Plane [1]: U/V, UV - * Plane [2]: V/U - */ -#define MAX_PLANES 3 - -#ifdef __cplusplus -#define DEFAULT_INITIALIZER(x) = x -#else -#define DEFAULT_INITIALIZER(x) -#endif - -typedef struct plane_info { - - /* - * Offset to plane (in bytes), - * from the start of the allocation. - */ - int64_t offset; - - uint32_t fd_idx; - uint64_t size; - - /* - * Byte Stride: number of bytes between two vertically adjacent - * pixels in given plane. This can be mathematically described by: - * - * byte_stride = ALIGN((alloc_width * bpp)/8, alignment) - * - * where, - * - * alloc_width: width of plane in pixels (c.f. pixel_stride) - * bpp: average bits per pixel - * alignment (in bytes): dependent upon pixel format and usage - * - * For uncompressed allocations, byte_stride might contain additional - * padding beyond the alloc_width. For AFBC, alignment is zero. - */ - uint32_t byte_stride; - - /* - * Dimensions of plane (in pixels). - * - * For single plane formats, pixels equates to luma samples. - * For multi-plane formats, pixels equates to the number of sample sites - * for the corresponding plane, even if subsampled. - * - * AFBC compressed formats: requested width/height are rounded-up - * to a whole AFBC superblock/tile (next superblock at minimum). - * Uncompressed formats: dimensions typically match width and height - * but might require pixel stride alignment. - * - * See 'byte_stride' for relationship between byte_stride and alloc_width. - * - * Any crop rectangle defined by GRALLOC_ARM_BUFFER_ATTR_CROP_RECT must - * be wholly within the allocation dimensions. The crop region top-left - * will be relative to the start of allocation. - */ - uint32_t alloc_width; - uint32_t alloc_height; -} plane_info_t; - -struct private_handle_t; - -#ifndef __cplusplus -/* C99 with pedantic don't allow anonymous unions which is used in below struct - * Disable pedantic for C for this struct only. - */ -#pragma GCC diagnostic push -#pragma GCC diagnostic ignored "-Wpedantic" -#endif - -#ifdef __cplusplus -struct private_handle_t : public native_handle -{ -private: - /* Having a default constructor makes sure that we zero out the padding - * which prevents data leak. */ - private_handle_t() = default; - -public: - -#else -struct private_handle_t -{ - struct native_handle nativeHandle; -#endif - -#ifdef __cplusplus - /* Never intended to be used from C code */ - enum - { - PRIV_FLAGS_USES_2PRIVATE_DATA = 1U << 4, - PRIV_FLAGS_USES_3PRIVATE_DATA = 1U << 5, - }; - - enum - { - LOCK_STATE_WRITE = 1 << 31, - LOCK_STATE_MAPPED = 1 << 30, - LOCK_STATE_READ_MASK = 0x3FFFFFFF - }; -#endif - - /* - * Shared file descriptor for dma_buf sharing. This must be the first element in the - * structure so that binder knows where it is and can properly share it between - * processes. - * DO NOT MOVE THIS ELEMENT! - */ - union { - int fds[5]; - }; - - // ints - int magic DEFAULT_INITIALIZER(sMagic); - int flags DEFAULT_INITIALIZER(0); - - int fd_count DEFAULT_INITIALIZER(1); - - /* - * Input properties. - * - * req_format: Pixel format, base + private modifiers. - * width/height: Buffer dimensions. - * producer/consumer_usage: Buffer usage (indicates IP) - */ - int width DEFAULT_INITIALIZER(0); - int height DEFAULT_INITIALIZER(0); - int req_format DEFAULT_INITIALIZER(0); - uint64_t producer_usage DEFAULT_INITIALIZER(0); - uint64_t consumer_usage DEFAULT_INITIALIZER(0); - - /* - * DEPRECATED members. - * Equivalent information can be obtained from other fields: - * - * - 'internal_format' --> alloc_format - * - 'stride' (pixel stride) ~= plane_info[0].alloc_width - * - 'byte_stride' ~= plane_info[0].byte_stride - * - 'internalWidth' ~= plane_info[0].alloc_width - * - 'internalHeight' ~= plane_info[0].alloc_height - * - * '~=' (approximately equal) is used because the fields were either previously - * incorrectly populated by gralloc or the meaning has slightly changed. - * - * NOTE: 'stride' values sometimes vary significantly from plane_info[0].alloc_width. - */ - int stride DEFAULT_INITIALIZER(0); - - /* - * Allocation properties. - * - * alloc_format: Pixel format (base + modifiers). NOTE: base might differ from requested - * format (req_format) where fallback to single-plane format was required. - * plane_info: Per plane allocation information. - * size: Total bytes allocated for buffer (inc. all planes, layers. etc.). - * layer_count: Number of layers allocated to buffer. - * All layers are the same size (in bytes). - * Multi-layers supported in v1.0, where GRALLOC1_CAPABILITY_LAYERED_BUFFERS is enabled. - * Layer size: 'size' / 'layer_count'. - * Layer (n) offset: n * ('size' / 'layer_count'), n=0 for the first layer. - * - */ - uint64_t alloc_format DEFAULT_INITIALIZER(0); - plane_info_t plane_info[MAX_PLANES] DEFAULT_INITIALIZER({}); - uint32_t layer_count DEFAULT_INITIALIZER(0); - - uint64_t backing_store_id DEFAULT_INITIALIZER(0x0); - int cpu_read DEFAULT_INITIALIZER(0); /**< Buffer is locked for CPU read when non-zero. */ - int cpu_write DEFAULT_INITIALIZER(0); /**< Buffer is locked for CPU write when non-zero. */ - int allocating_pid DEFAULT_INITIALIZER(0); - int remote_pid DEFAULT_INITIALIZER(-1); - int ref_count DEFAULT_INITIALIZER(0); - // locally mapped shared attribute area - - int ion_handles[3]; - uint64_t bases[3]; - uint64_t alloc_sizes[3]; - - void *attr_base __attribute__((aligned (8))) DEFAULT_INITIALIZER(nullptr); - off_t offset __attribute__((aligned (8))) DEFAULT_INITIALIZER(0); - - /* Size of the attribute shared region in bytes. */ - uint64_t attr_size __attribute__((aligned (8))) DEFAULT_INITIALIZER(0); - - uint64_t reserved_region_size DEFAULT_INITIALIZER(0); - - uint64_t imapper_version DEFAULT_INITIALIZER(0); - -#ifdef __cplusplus - /* - * We track the number of integers in the structure. There are 16 unconditional - * integers (magic - pid, yuv_info, fd and offset). Note that the fd element is - * considered an int not an fd because it is not intended to be used outside the - * surface flinger process. The GRALLOC_ARM_NUM_INTS variable is used to track the - * number of integers that are conditionally included. Similar considerations apply - * to the number of fds. - */ - static const int sMagic = 0x3141592; - - private_handle_t( - int _flags, - uint64_t _alloc_sizes[3], - uint64_t _consumer_usage, uint64_t _producer_usage, - int _fds[5], int _fd_count, - int _req_format, uint64_t _alloc_format, - int _width, int _height, int _stride, - uint64_t _layer_count, plane_info_t _plane_info[MAX_PLANES]) - : private_handle_t() - { - flags = _flags; - fd_count = _fd_count; - width = _width; - height = _height; - req_format = _req_format; - producer_usage = _producer_usage; - consumer_usage = _consumer_usage; - stride = _stride; - alloc_format = _alloc_format; - layer_count = _layer_count; - allocating_pid = getpid(); - ref_count = 1; - version = sizeof(native_handle); - set_numfds(fd_count); - memcpy(plane_info, _plane_info, sizeof(plane_info_t) * MAX_PLANES); - - if (_fds) - memcpy(fds, _fds, sizeof(fds)); - - if (_alloc_sizes) - memcpy(alloc_sizes, _alloc_sizes, sizeof(alloc_sizes)); - - memset(bases, 0, sizeof(bases)); - memset(ion_handles, 0, sizeof(ion_handles)); - } - - ~private_handle_t() - { - magic = 0; - } - - /* Set the number of allocated fds in the handle to n*/ - void set_numfds(int n) - { - int total_ints = - (sizeof(struct private_handle_t) - sizeof(native_handle)) / sizeof(int); - - numFds = n; - numInts = total_ints - n; - } - - /* Increments number of allocated fds in the handle by n */ - int incr_numfds(int n) - { - numFds += n; - numInts -= n; - - return numFds; - } - - static int validate(const native_handle *h) - { - const private_handle_t *hnd = (const private_handle_t *)h; - if (!h || h->version != sizeof(native_handle) || hnd->magic != sMagic || - h->numFds + h->numInts != NUM_INTS_IN_PRIVATE_HANDLE) - { - return -EINVAL; - } - return 0; - } - - bool is_multi_plane() const - { - /* For multi-plane, the byte stride for the second plane will always be non-zero. */ - return (plane_info[1].byte_stride != 0); - } - - uint64_t get_usage() const - { - return producer_usage | consumer_usage; - } - - int get_share_attr_fd_index() const - { - /* share_attr can be at idx 1 to 4 */ - if (fd_count <= 0 || fd_count > 4) - return -1; - - return fd_count; - } - - int get_share_attr_fd() const - { - int idx = get_share_attr_fd_index(); - - if (idx <= 0) - return -1; - - return fds[idx]; - } - - void set_share_attr_fd(int fd) - { - int idx = get_share_attr_fd_index(); - - if (idx <= 0) - return; - - fds[idx] = fd; - } - - void close_share_attr_fd() - { - int fd = get_share_attr_fd(); - - if (fd < 0) - return; - - close(fd); - } - - void dump(const char *str) const - { - ALOGE("[%s] " - "numInts(%d) numFds(%d) fd_count(%d) " - "fd(%d %d %d %d %d) " - "flags(%d) " - "wh(%d %d) " - "req_format(%#x) alloc_format(%#" PRIx64 ") " - "usage_pc(0x%" PRIx64 " 0x%" PRIx64 ") " - "stride(%d) " - "psize(%" PRIu64 ") byte_stride(%d) internal_wh(%d %d) " - "psize1(%" PRIu64 ") byte_stride1(%d) internal_wh1(%d %d) " - "psize2(%" PRIu64 ") byte_stride2(%d) internal_wh2(%d %d) " - "alloc_format(0x%" PRIx64 ") " - "alloc_sizes(%" PRIu64 " %" PRIu64 " %" PRIu64 ") " - "layer_count(%d) " - "bases(%p %p %p %p) " - "\n", - str, - numInts, numFds, fd_count, - fds[0], fds[1], fds[2], fds[3], fds[4], - flags, - width, height, - req_format, alloc_format, - producer_usage, consumer_usage, - stride, - plane_info[0].size, plane_info[0].byte_stride, plane_info[0].alloc_width, plane_info[0].alloc_height, - plane_info[1].size, plane_info[1].byte_stride, plane_info[1].alloc_width, plane_info[1].alloc_height, - plane_info[2].size, plane_info[2].byte_stride, plane_info[2].alloc_width, plane_info[2].alloc_height, - alloc_format, - alloc_sizes[0], alloc_sizes[1], alloc_sizes[2], - layer_count, - (void*)bases[0], (void*)bases[1], (void*)bases[2], attr_base - ); - } - - int get_alloc_format() const - { - return (int)(alloc_format & 0x00000000ffffffffULL); - } - - static private_handle_t *dynamicCast(const native_handle *in) - { - if (validate(in) == 0) - { - return (private_handle_t *)in; - } - - return NULL; - } -#endif -}; -#ifndef __cplusplus -/* Restore previous diagnostic for pedantic */ -#pragma GCC diagnostic pop -#endif - -#endif /* MALI_GRALLOC_BUFFER_H_ */ |