| /* |
| * Copyright (c) 2011-2019, The Linux Foundation. All rights reserved. |
| * Not a Contribution |
| * |
| * 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. |
| */ |
| |
| /* |
| * Changes from Qualcomm Innovation Center are provided under the following license: |
| * |
| * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted (subject to the limitations in the |
| * disclaimer below) provided that the following conditions are met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * |
| * * Neither the name of Qualcomm Innovation Center, Inc. nor the |
| * names of its contributors may be used to endorse or promote |
| * products derived from this software without specific prior |
| * written permission. |
| * |
| * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE |
| * GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT |
| * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR |
| * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
| * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER |
| * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef __GR_PRIV_HANDLE_H__ |
| #define __GR_PRIV_HANDLE_H__ |
| |
| #include <log/log.h> |
| #include <hardware/gralloc.h> |
| #include <hardware/gralloc1.h> |
| #ifdef __cplusplus |
| #include <cinttypes> |
| #endif |
| |
| #define GRALLOC1_FUNCTION_PERFORM 0x00001000 |
| |
| #define DBG_HANDLE false |
| |
| typedef gralloc1_error_t (*GRALLOC1_PFN_PERFORM)(gralloc1_device_t *device, int operation, ...); |
| |
| #define PRIV_HANDLE_CONST(exp) static_cast<const private_handle_t *>(exp) |
| |
| #pragma pack(push, 4) |
| #ifdef __cplusplus |
| struct private_handle_t : public native_handle_t { |
| #else |
| struct private_handle_t { |
| native_handle_t nativeHandle; |
| #endif |
| enum { |
| PRIV_FLAGS_FRAMEBUFFER = 0x00000001, |
| PRIV_FLAGS_USES_ION = 0x00000008, |
| PRIV_FLAGS_NEEDS_FLUSH = 0x00000020, |
| PRIV_FLAGS_INTERNAL_ONLY = 0x00000040, |
| PRIV_FLAGS_NON_CPU_WRITER = 0x00000080, |
| PRIV_FLAGS_CACHED = 0x00000200, |
| PRIV_FLAGS_SECURE_BUFFER = 0x00000400, |
| PRIV_FLAGS_EXTERNAL_ONLY = 0x00002000, |
| PRIV_FLAGS_PROTECTED_BUFFER = 0x00004000, |
| PRIV_FLAGS_VIDEO_ENCODER = 0x00010000, |
| PRIV_FLAGS_CAMERA_WRITE = 0x00020000, |
| PRIV_FLAGS_CAMERA_READ = 0x00040000, |
| PRIV_FLAGS_HW_COMPOSER = 0x00080000, |
| PRIV_FLAGS_HW_TEXTURE = 0x00100000, |
| PRIV_FLAGS_ITU_R_601 = 0x00200000, // Unused from display |
| PRIV_FLAGS_ITU_R_601_FR = 0x00400000, // Unused from display |
| PRIV_FLAGS_ITU_R_709 = 0x00800000, // Unused from display |
| PRIV_FLAGS_SECURE_DISPLAY = 0x01000000, |
| PRIV_FLAGS_TILE_RENDERED = 0x02000000, |
| PRIV_FLAGS_CPU_RENDERED = 0x04000000, |
| PRIV_FLAGS_UBWC_ALIGNED = 0x08000000, |
| PRIV_FLAGS_DISP_CONSUMER = 0x10000000, |
| PRIV_FLAGS_CLIENT_ALLOCATED = 0x20000000, // Ion buffer allocated outside of gralloc |
| PRIV_FLAGS_UBWC_ALIGNED_PI = 0x40000000, // PI format |
| }; |
| |
| // file-descriptors dup'd over IPC |
| int fd; |
| int fd_metadata; |
| |
| // values sent over IPC |
| int magic; |
| int flags; |
| int width; // holds width of the actual buffer allocated |
| int height; // holds height of the actual buffer allocated |
| int unaligned_width; // holds width client asked to allocate |
| int unaligned_height; // holds height client asked to allocate |
| int format; |
| int buffer_type; |
| unsigned int layer_count; |
| uint64_t id; |
| uint64_t usage; |
| |
| unsigned int size; |
| unsigned int offset; |
| unsigned int offset_metadata; |
| uint64_t base; |
| uint64_t base_metadata; |
| uint64_t gpuaddr; |
| unsigned int reserved_size; |
| #ifdef __cplusplus |
| static const int kNumFds = 2; |
| static const int kMagic = 'gmsm'; |
| |
| static inline int NumInts() { |
| return ((sizeof(private_handle_t) - sizeof(native_handle_t)) / sizeof(int)) - kNumFds; |
| } |
| |
| private_handle_t(int fd, int meta_fd, int flags, int width, int height, int uw, int uh, |
| int format, int buf_type, unsigned int size, uint64_t usage = 0) |
| : fd(fd), |
| fd_metadata(meta_fd), |
| magic(kMagic), |
| flags(flags), |
| width(width), |
| height(height), |
| unaligned_width(uw), |
| unaligned_height(uh), |
| format(format), |
| buffer_type(buf_type), |
| layer_count(1), |
| id(0), |
| usage(usage), |
| size(size), |
| offset(0), |
| offset_metadata(0), |
| base(0), |
| base_metadata(0), |
| gpuaddr(0), |
| reserved_size(0) { |
| version = static_cast<int>(sizeof(native_handle)); |
| numInts = NumInts(); |
| numFds = kNumFds; |
| } |
| |
| // Legacy constructor used by some clients |
| private_handle_t(int fd, unsigned int size, int usage, int buf_type, int format, int w, int h) |
| : private_handle_t(fd, -1, PRIV_FLAGS_CLIENT_ALLOCATED, w, h, 0, 0, format, buf_type, size, |
| static_cast<uint64_t>(usage)) {} |
| |
| ~private_handle_t() { |
| magic = 0; |
| ALOGE_IF(DBG_HANDLE, "Deleting buffer handle %p", this); |
| } |
| |
| static int validate(const native_handle *h) { |
| auto *hnd = static_cast<const private_handle_t *>(h); |
| if (!h || h->version != sizeof(native_handle) || h->numInts != NumInts() || |
| h->numFds != kNumFds) { |
| ALOGE("Invalid gralloc handle (at %p): ver(%d/%zu) ints(%d/%d) fds(%d/%d)", |
| h, h ? h->version : -1, sizeof(native_handle), h ? h->numInts : -1, NumInts(), |
| h ? h->numFds : -1, kNumFds); |
| return -EINVAL; |
| } |
| if (hnd->magic != kMagic) { |
| ALOGE("handle = %p invalid magic(%c%c%c%c/%c%c%c%c)",hnd, |
| hnd ? (((hnd->magic >> 24) & 0xFF) ? ((hnd->magic >> 24) & 0xFF) : '-') : '?', |
| hnd ? (((hnd->magic >> 16) & 0xFF) ? ((hnd->magic >> 16) & 0xFF) : '-') : '?', |
| hnd ? (((hnd->magic >> 8) & 0xFF) ? ((hnd->magic >> 8) & 0xFF) : '-') : '?', |
| hnd ? (((hnd->magic >> 0) & 0xFF) ? ((hnd->magic >> 0) & 0xFF) : '-') : '?', |
| (kMagic >> 24) & 0xFF, (kMagic >> 16) & 0xFF, (kMagic >> 8) & 0xFF, (kMagic >> 0) & 0xFF); |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static void Dump(const private_handle_t *hnd) { |
| ALOGD("handle id:%" PRIu64 |
| " wxh:%dx%d uwxuh:%dx%d size: %d fd:%d fd_meta:%d flags:0x%x " |
| "usage:0x%" PRIx64 " format:0x%x layer_count: %d reserved_size = %d", |
| hnd->id, hnd->width, hnd->height, hnd->unaligned_width, hnd->unaligned_height, hnd->size, |
| hnd->fd, hnd->fd_metadata, hnd->flags, hnd->usage, hnd->format, hnd->layer_count, |
| hnd->reserved_size); |
| } |
| |
| int GetUnalignedWidth() const { return unaligned_width; } |
| |
| int GetUnalignedHeight() const { return unaligned_height; } |
| |
| int GetColorFormat() const { return format; } |
| |
| unsigned int GetLayerCount() const { return layer_count; } |
| |
| int GetStride() const { |
| // In handle we currently store aligned width after allocation. |
| return width; |
| } |
| |
| uint64_t GetUsage() const { return usage; } |
| |
| uint64_t GetBackingstore() const { return id; } |
| #endif |
| }; |
| #pragma pack(pop) |
| |
| #endif // __GR_PRIV_HANDLE_H__ |