| /* |
| * Copyright (C) 2020 ARM Limited. All rights reserved. |
| * |
| * Copyright 2016 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. |
| */ |
| |
| #define ATRACE_TAG ATRACE_TAG_GRAPHICS |
| |
| #include <utils/Trace.h> |
| |
| #include "Allocator.h" |
| #include "core/mali_gralloc_bufferallocation.h" |
| #include "core/mali_gralloc_bufferdescriptor.h" |
| #include "core/format_info.h" |
| #include "allocator/mali_gralloc_ion.h" |
| #include "gralloc_priv.h" |
| #include "SharedMetadata.h" |
| |
| namespace arm |
| { |
| namespace allocator |
| { |
| namespace common |
| { |
| |
| void allocate(const buffer_descriptor_t &bufferDescriptor, uint32_t count, IAllocator::allocate_cb hidl_cb, |
| std::function<int(const buffer_descriptor_t *, buffer_handle_t *)> fb_allocator) |
| { |
| #if DISABLE_FRAMEBUFFER_HAL |
| GRALLOC_UNUSED(fb_allocator); |
| #endif |
| ATRACE_CALL(); |
| |
| Error error = Error::NONE; |
| int stride = 0; |
| std::vector<hidl_handle> grallocBuffers; |
| gralloc_buffer_descriptor_t grallocBufferDescriptor[1]; |
| |
| grallocBufferDescriptor[0] = (gralloc_buffer_descriptor_t)(&bufferDescriptor); |
| grallocBuffers.reserve(count); |
| |
| for (uint32_t i = 0; i < count; i++) |
| { |
| buffer_handle_t tmpBuffer = nullptr; |
| |
| int allocResult; |
| #if (DISABLE_FRAMEBUFFER_HAL != 1) |
| if (((bufferDescriptor.producer_usage & GRALLOC_USAGE_HW_FB) || |
| (bufferDescriptor.consumer_usage & GRALLOC_USAGE_HW_FB)) && |
| fb_allocator) |
| { |
| allocResult = fb_allocator(&bufferDescriptor, &tmpBuffer); |
| } |
| else |
| #endif |
| { |
| allocResult = mali_gralloc_buffer_allocate(grallocBufferDescriptor, 1, &tmpBuffer, nullptr); |
| if (allocResult != 0) |
| { |
| MALI_GRALLOC_LOGE("%s, buffer allocation failed with %d", __func__, allocResult); |
| error = Error::NO_RESOURCES; |
| break; |
| } |
| auto hnd = const_cast<private_handle_t *>(reinterpret_cast<const private_handle_t *>(tmpBuffer)); |
| hnd->imapper_version = HIDL_MAPPER_VERSION_SCALED; |
| |
| // 4k is rougly 7.9 MB with one byte per pixel. We are |
| // assuming that the reserved region might be needed for |
| // dynamic HDR and that represents the largest size. |
| uint64_t max_reserved_region_size = 8ull * 1024 * 1024; |
| hnd->reserved_region_size = bufferDescriptor.reserved_size; |
| if (hnd->reserved_region_size > max_reserved_region_size) { |
| MALI_GRALLOC_LOGE("%s, Requested reserved region size (%" PRIu64 ") is larger than allowed (%" PRIu64 ")", |
| __func__, hnd->reserved_region_size, max_reserved_region_size); |
| error = Error::BAD_VALUE; |
| break; |
| } |
| hnd->attr_size = mapper::common::shared_metadata_size() + hnd->reserved_region_size; |
| |
| if (hnd->get_usage() & GRALLOC_USAGE_ROIINFO) |
| { |
| hnd->attr_size += 32768; |
| } |
| |
| /* TODO: must do error checking */ |
| mali_gralloc_ion_allocate_attr(hnd); |
| |
| /* TODO: error check for failure */ |
| void* metadata_vaddr = mmap(nullptr, hnd->attr_size, PROT_READ | PROT_WRITE, |
| MAP_SHARED, hnd->get_share_attr_fd(), 0); |
| |
| memset(metadata_vaddr, 0, hnd->attr_size); |
| |
| mapper::common::shared_metadata_init(metadata_vaddr, bufferDescriptor.name); |
| |
| const uint32_t base_format = bufferDescriptor.alloc_format & MALI_GRALLOC_INTFMT_FMT_MASK; |
| const uint64_t usage = bufferDescriptor.consumer_usage | bufferDescriptor.producer_usage; |
| android_dataspace_t dataspace; |
| get_format_dataspace(base_format, usage, hnd->width, hnd->height, &dataspace); |
| |
| // TODO: set_dataspace API in mapper expects a buffer to be first imported before it can set the dataspace |
| { |
| using mapper::common::shared_metadata; |
| using mapper::common::aligned_optional; |
| using mapper::common::Dataspace; |
| (static_cast<shared_metadata*>(metadata_vaddr))->dataspace = aligned_optional(static_cast<Dataspace>(dataspace)); |
| } |
| |
| munmap(metadata_vaddr, hnd->attr_size); |
| } |
| |
| int tmpStride = 0; |
| tmpStride = bufferDescriptor.pixel_stride; |
| |
| if (stride == 0) |
| { |
| stride = tmpStride; |
| } |
| else if (stride != tmpStride) |
| { |
| /* Stride must be the same for all allocations */ |
| mali_gralloc_buffer_free(tmpBuffer); |
| stride = 0; |
| error = Error::UNSUPPORTED; |
| break; |
| } |
| |
| grallocBuffers.emplace_back(hidl_handle(tmpBuffer)); |
| } |
| |
| /* Populate the array of buffers for application consumption */ |
| hidl_vec<hidl_handle> hidlBuffers; |
| if (error == Error::NONE) |
| { |
| hidlBuffers.setToExternal(grallocBuffers.data(), grallocBuffers.size()); |
| } |
| hidl_cb(error, stride, hidlBuffers); |
| |
| /* The application should import the Gralloc buffers using IMapper for |
| * further usage. Free the allocated buffers in IAllocator context |
| */ |
| for (const auto &buffer : grallocBuffers) |
| { |
| mali_gralloc_buffer_free(buffer.getNativeHandle()); |
| } |
| } |
| |
| } // namespace common |
| } // namespace allocator |
| } // namespace arm |