|  | /* | 
|  | * Copyright 2019 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 LOG_TAG "Gralloc4" | 
|  |  | 
|  | #include <hidl/ServiceManagement.h> | 
|  | #include <hwbinder/IPCThreadState.h> | 
|  | #include <ui/Gralloc4.h> | 
|  |  | 
|  | #include <inttypes.h> | 
|  | #include <log/log.h> | 
|  | #pragma clang diagnostic push | 
|  | #pragma clang diagnostic ignored "-Wzero-length-array" | 
|  | #include <sync/sync.h> | 
|  | #pragma clang diagnostic pop | 
|  |  | 
|  | using aidl::android::hardware::graphics::common::ExtendableType; | 
|  | using aidl::android::hardware::graphics::common::PlaneLayoutComponentType; | 
|  | using aidl::android::hardware::graphics::common::StandardMetadataType; | 
|  | using android::hardware::hidl_vec; | 
|  | using android::hardware::graphics::allocator::V4_0::IAllocator; | 
|  | using android::hardware::graphics::common::V1_2::BufferUsage; | 
|  | using android::hardware::graphics::mapper::V4_0::BufferDescriptor; | 
|  | using android::hardware::graphics::mapper::V4_0::Error; | 
|  | using android::hardware::graphics::mapper::V4_0::IMapper; | 
|  | using BufferDump = android::hardware::graphics::mapper::V4_0::IMapper::BufferDump; | 
|  | using MetadataDump = android::hardware::graphics::mapper::V4_0::IMapper::MetadataDump; | 
|  | using MetadataType = android::hardware::graphics::mapper::V4_0::IMapper::MetadataType; | 
|  | using MetadataTypeDescription = | 
|  | android::hardware::graphics::mapper::V4_0::IMapper::MetadataTypeDescription; | 
|  |  | 
|  | namespace android { | 
|  |  | 
|  | namespace { | 
|  |  | 
|  | static constexpr Error kTransactionError = Error::NO_RESOURCES; | 
|  |  | 
|  | uint64_t getValidUsageBits() { | 
|  | static const uint64_t validUsageBits = []() -> uint64_t { | 
|  | uint64_t bits = 0; | 
|  | for (const auto bit : | 
|  | hardware::hidl_enum_range<hardware::graphics::common::V1_2::BufferUsage>()) { | 
|  | bits = bits | bit; | 
|  | } | 
|  | return bits; | 
|  | }(); | 
|  | return validUsageBits; | 
|  | } | 
|  |  | 
|  | static inline IMapper::Rect sGralloc4Rect(const Rect& rect) { | 
|  | IMapper::Rect outRect{}; | 
|  | outRect.left = rect.left; | 
|  | outRect.top = rect.top; | 
|  | outRect.width = rect.width(); | 
|  | outRect.height = rect.height(); | 
|  | return outRect; | 
|  | } | 
|  | static inline void sBufferDescriptorInfo(std::string name, uint32_t width, uint32_t height, | 
|  | PixelFormat format, uint32_t layerCount, uint64_t usage, | 
|  | IMapper::BufferDescriptorInfo* outDescriptorInfo) { | 
|  | outDescriptorInfo->name = name; | 
|  | outDescriptorInfo->width = width; | 
|  | outDescriptorInfo->height = height; | 
|  | outDescriptorInfo->layerCount = layerCount; | 
|  | outDescriptorInfo->format = static_cast<hardware::graphics::common::V1_2::PixelFormat>(format); | 
|  | outDescriptorInfo->usage = usage; | 
|  | outDescriptorInfo->reservedSize = 0; | 
|  | } | 
|  |  | 
|  | } // anonymous namespace | 
|  |  | 
|  | void Gralloc4Mapper::preload() { | 
|  | android::hardware::preloadPassthroughService<IMapper>(); | 
|  | } | 
|  |  | 
|  | Gralloc4Mapper::Gralloc4Mapper() { | 
|  | mMapper = IMapper::getService(); | 
|  | if (mMapper == nullptr) { | 
|  | ALOGI("mapper 4.x is not supported"); | 
|  | return; | 
|  | } | 
|  | if (mMapper->isRemote()) { | 
|  | LOG_ALWAYS_FATAL("gralloc-mapper must be in passthrough mode"); | 
|  | } | 
|  | } | 
|  |  | 
|  | bool Gralloc4Mapper::isLoaded() const { | 
|  | return mMapper != nullptr; | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::validateBufferDescriptorInfo( | 
|  | IMapper::BufferDescriptorInfo* descriptorInfo) const { | 
|  | uint64_t validUsageBits = getValidUsageBits(); | 
|  |  | 
|  | if (descriptorInfo->usage & ~validUsageBits) { | 
|  | ALOGE("buffer descriptor contains invalid usage bits 0x%" PRIx64, | 
|  | descriptorInfo->usage & ~validUsageBits); | 
|  | return BAD_VALUE; | 
|  | } | 
|  | return NO_ERROR; | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::createDescriptor(void* bufferDescriptorInfo, | 
|  | void* outBufferDescriptor) const { | 
|  | IMapper::BufferDescriptorInfo* descriptorInfo = | 
|  | static_cast<IMapper::BufferDescriptorInfo*>(bufferDescriptorInfo); | 
|  | BufferDescriptor* outDescriptor = static_cast<BufferDescriptor*>(outBufferDescriptor); | 
|  |  | 
|  | status_t status = validateBufferDescriptorInfo(descriptorInfo); | 
|  | if (status != NO_ERROR) { | 
|  | return status; | 
|  | } | 
|  |  | 
|  | Error error; | 
|  | auto hidl_cb = [&](const auto& tmpError, const auto& tmpDescriptor) { | 
|  | error = tmpError; | 
|  | if (error != Error::NONE) { | 
|  | return; | 
|  | } | 
|  | *outDescriptor = tmpDescriptor; | 
|  | }; | 
|  |  | 
|  | hardware::Return<void> ret = mMapper->createDescriptor(*descriptorInfo, hidl_cb); | 
|  |  | 
|  | return static_cast<status_t>((ret.isOk()) ? error : kTransactionError); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::importBuffer(const hardware::hidl_handle& rawHandle, | 
|  | buffer_handle_t* outBufferHandle) const { | 
|  | Error error; | 
|  | auto ret = mMapper->importBuffer(rawHandle, [&](const auto& tmpError, const auto& tmpBuffer) { | 
|  | error = tmpError; | 
|  | if (error != Error::NONE) { | 
|  | return; | 
|  | } | 
|  | *outBufferHandle = static_cast<buffer_handle_t>(tmpBuffer); | 
|  | }); | 
|  |  | 
|  | return static_cast<status_t>((ret.isOk()) ? error : kTransactionError); | 
|  | } | 
|  |  | 
|  | void Gralloc4Mapper::freeBuffer(buffer_handle_t bufferHandle) const { | 
|  | auto buffer = const_cast<native_handle_t*>(bufferHandle); | 
|  | auto ret = mMapper->freeBuffer(buffer); | 
|  |  | 
|  | auto error = (ret.isOk()) ? static_cast<Error>(ret) : kTransactionError; | 
|  | ALOGE_IF(error != Error::NONE, "freeBuffer(%p) failed with %d", buffer, error); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::validateBufferSize(buffer_handle_t bufferHandle, uint32_t width, | 
|  | uint32_t height, PixelFormat format, | 
|  | uint32_t layerCount, uint64_t usage, | 
|  | uint32_t stride) const { | 
|  | IMapper::BufferDescriptorInfo descriptorInfo; | 
|  | sBufferDescriptorInfo("validateBufferSize", width, height, format, layerCount, usage, | 
|  | &descriptorInfo); | 
|  |  | 
|  | auto buffer = const_cast<native_handle_t*>(bufferHandle); | 
|  | auto ret = mMapper->validateBufferSize(buffer, descriptorInfo, stride); | 
|  |  | 
|  | return static_cast<status_t>((ret.isOk()) ? static_cast<Error>(ret) : kTransactionError); | 
|  | } | 
|  |  | 
|  | void Gralloc4Mapper::getTransportSize(buffer_handle_t bufferHandle, uint32_t* outNumFds, | 
|  | uint32_t* outNumInts) const { | 
|  | *outNumFds = uint32_t(bufferHandle->numFds); | 
|  | *outNumInts = uint32_t(bufferHandle->numInts); | 
|  |  | 
|  | Error error; | 
|  | auto buffer = const_cast<native_handle_t*>(bufferHandle); | 
|  | auto ret = mMapper->getTransportSize(buffer, | 
|  | [&](const auto& tmpError, const auto& tmpNumFds, | 
|  | const auto& tmpNumInts) { | 
|  | error = tmpError; | 
|  | if (error != Error::NONE) { | 
|  | return; | 
|  | } | 
|  | *outNumFds = tmpNumFds; | 
|  | *outNumInts = tmpNumInts; | 
|  | }); | 
|  |  | 
|  | error = (ret.isOk()) ? error : kTransactionError; | 
|  |  | 
|  | ALOGE_IF(error != Error::NONE, "getTransportSize(%p) failed with %d", buffer, error); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::lock(buffer_handle_t bufferHandle, uint64_t usage, const Rect& bounds, | 
|  | int acquireFence, void** outData, int32_t* outBytesPerPixel, | 
|  | int32_t* outBytesPerStride) const { | 
|  | std::vector<ui::PlaneLayout> planeLayouts; | 
|  | status_t err = getPlaneLayouts(bufferHandle, &planeLayouts); | 
|  |  | 
|  | if (err == NO_ERROR && !planeLayouts.empty()) { | 
|  | if (outBytesPerPixel) { | 
|  | int32_t bitsPerPixel = planeLayouts.front().sampleIncrementInBits; | 
|  | for (const auto& planeLayout : planeLayouts) { | 
|  | if (bitsPerPixel != planeLayout.sampleIncrementInBits) { | 
|  | bitsPerPixel = -1; | 
|  | } | 
|  | } | 
|  | if (bitsPerPixel >= 0 && bitsPerPixel % 8 == 0) { | 
|  | *outBytesPerPixel = bitsPerPixel / 8; | 
|  | } else { | 
|  | *outBytesPerPixel = -1; | 
|  | } | 
|  | } | 
|  | if (outBytesPerStride) { | 
|  | int32_t bytesPerStride = planeLayouts.front().strideInBytes; | 
|  | for (const auto& planeLayout : planeLayouts) { | 
|  | if (bytesPerStride != planeLayout.strideInBytes) { | 
|  | bytesPerStride = -1; | 
|  | } | 
|  | } | 
|  | if (bytesPerStride >= 0) { | 
|  | *outBytesPerStride = bytesPerStride; | 
|  | } else { | 
|  | *outBytesPerStride = -1; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | auto buffer = const_cast<native_handle_t*>(bufferHandle); | 
|  |  | 
|  | IMapper::Rect accessRegion = sGralloc4Rect(bounds); | 
|  |  | 
|  | // put acquireFence in a hidl_handle | 
|  | hardware::hidl_handle acquireFenceHandle; | 
|  | NATIVE_HANDLE_DECLARE_STORAGE(acquireFenceStorage, 1, 0); | 
|  | if (acquireFence >= 0) { | 
|  | auto h = native_handle_init(acquireFenceStorage, 1, 0); | 
|  | h->data[0] = acquireFence; | 
|  | acquireFenceHandle = h; | 
|  | } | 
|  |  | 
|  | Error error; | 
|  | auto ret = mMapper->lock(buffer, usage, accessRegion, acquireFenceHandle, | 
|  | [&](const auto& tmpError, const auto& tmpData) { | 
|  | error = tmpError; | 
|  | if (error != Error::NONE) { | 
|  | return; | 
|  | } | 
|  | *outData = tmpData; | 
|  | }); | 
|  |  | 
|  | // we own acquireFence even on errors | 
|  | if (acquireFence >= 0) { | 
|  | close(acquireFence); | 
|  | } | 
|  |  | 
|  | error = (ret.isOk()) ? error : kTransactionError; | 
|  |  | 
|  | ALOGW_IF(error != Error::NONE, "lock(%p, ...) failed: %d", bufferHandle, error); | 
|  |  | 
|  | return static_cast<status_t>(error); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::lock(buffer_handle_t bufferHandle, uint64_t usage, const Rect& bounds, | 
|  | int acquireFence, android_ycbcr* outYcbcr) const { | 
|  | if (!outYcbcr) { | 
|  | return BAD_VALUE; | 
|  | } | 
|  |  | 
|  | std::vector<ui::PlaneLayout> planeLayouts; | 
|  | status_t error = getPlaneLayouts(bufferHandle, &planeLayouts); | 
|  | if (error != NO_ERROR) { | 
|  | return error; | 
|  | } | 
|  |  | 
|  | void* data = nullptr; | 
|  | error = lock(bufferHandle, usage, bounds, acquireFence, &data, nullptr, nullptr); | 
|  | if (error != NO_ERROR) { | 
|  | return error; | 
|  | } | 
|  |  | 
|  | android_ycbcr ycbcr; | 
|  |  | 
|  | ycbcr.y = nullptr; | 
|  | ycbcr.cb = nullptr; | 
|  | ycbcr.cr = nullptr; | 
|  | ycbcr.ystride = 0; | 
|  | ycbcr.cstride = 0; | 
|  | ycbcr.chroma_step = 0; | 
|  |  | 
|  | for (const auto& planeLayout : planeLayouts) { | 
|  | for (const auto& planeLayoutComponent : planeLayout.components) { | 
|  | if (!gralloc4::isStandardPlaneLayoutComponentType(planeLayoutComponent.type)) { | 
|  | continue; | 
|  | } | 
|  | if (0 != planeLayoutComponent.offsetInBits % 8) { | 
|  | unlock(bufferHandle); | 
|  | return BAD_VALUE; | 
|  | } | 
|  |  | 
|  | uint8_t* tmpData = static_cast<uint8_t*>(data) + planeLayout.offsetInBytes + | 
|  | (planeLayoutComponent.offsetInBits / 8); | 
|  | uint64_t sampleIncrementInBytes; | 
|  |  | 
|  | auto type = static_cast<PlaneLayoutComponentType>(planeLayoutComponent.type.value); | 
|  | switch (type) { | 
|  | case PlaneLayoutComponentType::Y: | 
|  | if ((ycbcr.y != nullptr) || (planeLayoutComponent.sizeInBits != 8) || | 
|  | (planeLayout.sampleIncrementInBits != 8)) { | 
|  | unlock(bufferHandle); | 
|  | return BAD_VALUE; | 
|  | } | 
|  | ycbcr.y = tmpData; | 
|  | ycbcr.ystride = planeLayout.strideInBytes; | 
|  | break; | 
|  |  | 
|  | case PlaneLayoutComponentType::CB: | 
|  | case PlaneLayoutComponentType::CR: | 
|  | if (planeLayout.sampleIncrementInBits % 8 != 0) { | 
|  | unlock(bufferHandle); | 
|  | return BAD_VALUE; | 
|  | } | 
|  |  | 
|  | sampleIncrementInBytes = planeLayout.sampleIncrementInBits / 8; | 
|  | if ((sampleIncrementInBytes != 1) && (sampleIncrementInBytes != 2)) { | 
|  | unlock(bufferHandle); | 
|  | return BAD_VALUE; | 
|  | } | 
|  |  | 
|  | if (ycbcr.cstride == 0 && ycbcr.chroma_step == 0) { | 
|  | ycbcr.cstride = planeLayout.strideInBytes; | 
|  | ycbcr.chroma_step = sampleIncrementInBytes; | 
|  | } else { | 
|  | if ((static_cast<int64_t>(ycbcr.cstride) != planeLayout.strideInBytes) || | 
|  | (ycbcr.chroma_step != sampleIncrementInBytes)) { | 
|  | unlock(bufferHandle); | 
|  | return BAD_VALUE; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (type == PlaneLayoutComponentType::CB) { | 
|  | if (ycbcr.cb != nullptr) { | 
|  | unlock(bufferHandle); | 
|  | return BAD_VALUE; | 
|  | } | 
|  | ycbcr.cb = tmpData; | 
|  | } else { | 
|  | if (ycbcr.cr != nullptr) { | 
|  | unlock(bufferHandle); | 
|  | return BAD_VALUE; | 
|  | } | 
|  | ycbcr.cr = tmpData; | 
|  | } | 
|  | break; | 
|  | default: | 
|  | break; | 
|  | }; | 
|  | } | 
|  | } | 
|  |  | 
|  | *outYcbcr = ycbcr; | 
|  | return static_cast<status_t>(Error::NONE); | 
|  | } | 
|  |  | 
|  | int Gralloc4Mapper::unlock(buffer_handle_t bufferHandle) const { | 
|  | auto buffer = const_cast<native_handle_t*>(bufferHandle); | 
|  |  | 
|  | int releaseFence = -1; | 
|  | Error error; | 
|  | auto ret = mMapper->unlock(buffer, [&](const auto& tmpError, const auto& tmpReleaseFence) { | 
|  | error = tmpError; | 
|  | if (error != Error::NONE) { | 
|  | return; | 
|  | } | 
|  |  | 
|  | auto fenceHandle = tmpReleaseFence.getNativeHandle(); | 
|  | if (fenceHandle && fenceHandle->numFds == 1) { | 
|  | int fd = dup(fenceHandle->data[0]); | 
|  | if (fd >= 0) { | 
|  | releaseFence = fd; | 
|  | } else { | 
|  | ALOGD("failed to dup unlock release fence"); | 
|  | sync_wait(fenceHandle->data[0], -1); | 
|  | } | 
|  | } | 
|  | }); | 
|  |  | 
|  | if (!ret.isOk()) { | 
|  | error = kTransactionError; | 
|  | } | 
|  |  | 
|  | if (error != Error::NONE) { | 
|  | ALOGE("unlock(%p) failed with %d", buffer, error); | 
|  | } | 
|  |  | 
|  | return releaseFence; | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::isSupported(uint32_t width, uint32_t height, PixelFormat format, | 
|  | uint32_t layerCount, uint64_t usage, | 
|  | bool* outSupported) const { | 
|  | IMapper::BufferDescriptorInfo descriptorInfo; | 
|  | sBufferDescriptorInfo("isSupported", width, height, format, layerCount, usage, &descriptorInfo); | 
|  |  | 
|  | Error error; | 
|  | auto ret = mMapper->isSupported(descriptorInfo, | 
|  | [&](const auto& tmpError, const auto& tmpSupported) { | 
|  | error = tmpError; | 
|  | if (error != Error::NONE) { | 
|  | return; | 
|  | } | 
|  | if (outSupported) { | 
|  | *outSupported = tmpSupported; | 
|  | } | 
|  | }); | 
|  |  | 
|  | if (!ret.isOk()) { | 
|  | error = kTransactionError; | 
|  | } | 
|  |  | 
|  | if (error != Error::NONE) { | 
|  | ALOGE("isSupported(%u, %u, %d, %u, ...) failed with %d", width, height, format, layerCount, | 
|  | error); | 
|  | } | 
|  |  | 
|  | return static_cast<status_t>(error); | 
|  | } | 
|  |  | 
|  | template <class T> | 
|  | status_t Gralloc4Mapper::get(buffer_handle_t bufferHandle, const MetadataType& metadataType, | 
|  | DecodeFunction<T> decodeFunction, T* outMetadata) const { | 
|  | if (!outMetadata) { | 
|  | return BAD_VALUE; | 
|  | } | 
|  |  | 
|  | hidl_vec<uint8_t> vec; | 
|  | Error error; | 
|  | auto ret = mMapper->get(const_cast<native_handle_t*>(bufferHandle), metadataType, | 
|  | [&](const auto& tmpError, const hidl_vec<uint8_t>& tmpVec) { | 
|  | error = tmpError; | 
|  | vec = tmpVec; | 
|  | }); | 
|  |  | 
|  | if (!ret.isOk()) { | 
|  | error = kTransactionError; | 
|  | } | 
|  |  | 
|  | if (error != Error::NONE) { | 
|  | ALOGE("get(%s, %" PRIu64 ", ...) failed with %d", metadataType.name.c_str(), | 
|  | metadataType.value, error); | 
|  | return static_cast<status_t>(error); | 
|  | } | 
|  |  | 
|  | return decodeFunction(vec, outMetadata); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getBufferId(buffer_handle_t bufferHandle, uint64_t* outBufferId) const { | 
|  | return get(bufferHandle, gralloc4::MetadataType_BufferId, gralloc4::decodeBufferId, | 
|  | outBufferId); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getName(buffer_handle_t bufferHandle, std::string* outName) const { | 
|  | return get(bufferHandle, gralloc4::MetadataType_Name, gralloc4::decodeName, outName); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getWidth(buffer_handle_t bufferHandle, uint64_t* outWidth) const { | 
|  | return get(bufferHandle, gralloc4::MetadataType_Width, gralloc4::decodeWidth, outWidth); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getHeight(buffer_handle_t bufferHandle, uint64_t* outHeight) const { | 
|  | return get(bufferHandle, gralloc4::MetadataType_Height, gralloc4::decodeHeight, outHeight); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getLayerCount(buffer_handle_t bufferHandle, | 
|  | uint64_t* outLayerCount) const { | 
|  | return get(bufferHandle, gralloc4::MetadataType_LayerCount, gralloc4::decodeLayerCount, | 
|  | outLayerCount); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getPixelFormatRequested(buffer_handle_t bufferHandle, | 
|  | ui::PixelFormat* outPixelFormatRequested) const { | 
|  | return get(bufferHandle, gralloc4::MetadataType_PixelFormatRequested, | 
|  | gralloc4::decodePixelFormatRequested, outPixelFormatRequested); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getPixelFormatFourCC(buffer_handle_t bufferHandle, | 
|  | uint32_t* outPixelFormatFourCC) const { | 
|  | return get(bufferHandle, gralloc4::MetadataType_PixelFormatFourCC, | 
|  | gralloc4::decodePixelFormatFourCC, outPixelFormatFourCC); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getPixelFormatModifier(buffer_handle_t bufferHandle, | 
|  | uint64_t* outPixelFormatModifier) const { | 
|  | return get(bufferHandle, gralloc4::MetadataType_PixelFormatModifier, | 
|  | gralloc4::decodePixelFormatModifier, outPixelFormatModifier); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getUsage(buffer_handle_t bufferHandle, uint64_t* outUsage) const { | 
|  | return get(bufferHandle, gralloc4::MetadataType_Usage, gralloc4::decodeUsage, outUsage); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getAllocationSize(buffer_handle_t bufferHandle, | 
|  | uint64_t* outAllocationSize) const { | 
|  | return get(bufferHandle, gralloc4::MetadataType_AllocationSize, gralloc4::decodeAllocationSize, | 
|  | outAllocationSize); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getProtectedContent(buffer_handle_t bufferHandle, | 
|  | uint64_t* outProtectedContent) const { | 
|  | return get(bufferHandle, gralloc4::MetadataType_ProtectedContent, | 
|  | gralloc4::decodeProtectedContent, outProtectedContent); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getCompression(buffer_handle_t bufferHandle, | 
|  | ExtendableType* outCompression) const { | 
|  | return get(bufferHandle, gralloc4::MetadataType_Compression, gralloc4::decodeCompression, | 
|  | outCompression); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getCompression(buffer_handle_t bufferHandle, | 
|  | ui::Compression* outCompression) const { | 
|  | if (!outCompression) { | 
|  | return BAD_VALUE; | 
|  | } | 
|  | ExtendableType compression; | 
|  | status_t error = getCompression(bufferHandle, &compression); | 
|  | if (error) { | 
|  | return error; | 
|  | } | 
|  | if (!gralloc4::isStandardCompression(compression)) { | 
|  | return BAD_TYPE; | 
|  | } | 
|  | *outCompression = gralloc4::getStandardCompressionValue(compression); | 
|  | return NO_ERROR; | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getInterlaced(buffer_handle_t bufferHandle, | 
|  | ExtendableType* outInterlaced) const { | 
|  | return get(bufferHandle, gralloc4::MetadataType_Interlaced, gralloc4::decodeInterlaced, | 
|  | outInterlaced); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getInterlaced(buffer_handle_t bufferHandle, | 
|  | ui::Interlaced* outInterlaced) const { | 
|  | if (!outInterlaced) { | 
|  | return BAD_VALUE; | 
|  | } | 
|  | ExtendableType interlaced; | 
|  | status_t error = getInterlaced(bufferHandle, &interlaced); | 
|  | if (error) { | 
|  | return error; | 
|  | } | 
|  | if (!gralloc4::isStandardInterlaced(interlaced)) { | 
|  | return BAD_TYPE; | 
|  | } | 
|  | *outInterlaced = gralloc4::getStandardInterlacedValue(interlaced); | 
|  | return NO_ERROR; | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getChromaSiting(buffer_handle_t bufferHandle, | 
|  | ExtendableType* outChromaSiting) const { | 
|  | return get(bufferHandle, gralloc4::MetadataType_ChromaSiting, gralloc4::decodeChromaSiting, | 
|  | outChromaSiting); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getChromaSiting(buffer_handle_t bufferHandle, | 
|  | ui::ChromaSiting* outChromaSiting) const { | 
|  | if (!outChromaSiting) { | 
|  | return BAD_VALUE; | 
|  | } | 
|  | ExtendableType chromaSiting; | 
|  | status_t error = getChromaSiting(bufferHandle, &chromaSiting); | 
|  | if (error) { | 
|  | return error; | 
|  | } | 
|  | if (!gralloc4::isStandardChromaSiting(chromaSiting)) { | 
|  | return BAD_TYPE; | 
|  | } | 
|  | *outChromaSiting = gralloc4::getStandardChromaSitingValue(chromaSiting); | 
|  | return NO_ERROR; | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getPlaneLayouts(buffer_handle_t bufferHandle, | 
|  | std::vector<ui::PlaneLayout>* outPlaneLayouts) const { | 
|  | return get(bufferHandle, gralloc4::MetadataType_PlaneLayouts, gralloc4::decodePlaneLayouts, | 
|  | outPlaneLayouts); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getDataspace(buffer_handle_t bufferHandle, | 
|  | ui::Dataspace* outDataspace) const { | 
|  | if (!outDataspace) { | 
|  | return BAD_VALUE; | 
|  | } | 
|  | aidl::android::hardware::graphics::common::Dataspace dataspace; | 
|  | status_t error = get(bufferHandle, gralloc4::MetadataType_Dataspace, gralloc4::decodeDataspace, | 
|  | &dataspace); | 
|  | if (error) { | 
|  | return error; | 
|  | } | 
|  |  | 
|  | // Gralloc4 uses stable AIDL dataspace but the rest of the system still uses HIDL dataspace | 
|  | *outDataspace = static_cast<ui::Dataspace>(dataspace); | 
|  | return NO_ERROR; | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getBlendMode(buffer_handle_t bufferHandle, | 
|  | ui::BlendMode* outBlendMode) const { | 
|  | return get(bufferHandle, gralloc4::MetadataType_BlendMode, gralloc4::decodeBlendMode, | 
|  | outBlendMode); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getSmpte2086(buffer_handle_t bufferHandle, | 
|  | std::optional<ui::Smpte2086>* outSmpte2086) const { | 
|  | return get(bufferHandle, gralloc4::MetadataType_Smpte2086, gralloc4::decodeSmpte2086, | 
|  | outSmpte2086); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getCta861_3(buffer_handle_t bufferHandle, | 
|  | std::optional<ui::Cta861_3>* outCta861_3) const { | 
|  | return get(bufferHandle, gralloc4::MetadataType_Cta861_3, gralloc4::decodeCta861_3, | 
|  | outCta861_3); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getSmpte2094_40( | 
|  | buffer_handle_t bufferHandle, std::optional<std::vector<uint8_t>>* outSmpte2094_40) const { | 
|  | return get(bufferHandle, gralloc4::MetadataType_Smpte2094_40, gralloc4::decodeSmpte2094_40, | 
|  | outSmpte2094_40); | 
|  | } | 
|  |  | 
|  | template <class T> | 
|  | status_t Gralloc4Mapper::getDefault(uint32_t width, uint32_t height, PixelFormat format, | 
|  | uint32_t layerCount, uint64_t usage, | 
|  | const MetadataType& metadataType, | 
|  | DecodeFunction<T> decodeFunction, T* outMetadata) const { | 
|  | if (!outMetadata) { | 
|  | return BAD_VALUE; | 
|  | } | 
|  |  | 
|  | IMapper::BufferDescriptorInfo descriptorInfo; | 
|  | sBufferDescriptorInfo("getDefault", width, height, format, layerCount, usage, &descriptorInfo); | 
|  |  | 
|  | hidl_vec<uint8_t> vec; | 
|  | Error error; | 
|  | auto ret = mMapper->getFromBufferDescriptorInfo(descriptorInfo, metadataType, | 
|  | [&](const auto& tmpError, | 
|  | const hidl_vec<uint8_t>& tmpVec) { | 
|  | error = tmpError; | 
|  | vec = tmpVec; | 
|  | }); | 
|  |  | 
|  | if (!ret.isOk()) { | 
|  | error = kTransactionError; | 
|  | } | 
|  |  | 
|  | if (error != Error::NONE) { | 
|  | ALOGE("getDefault(%s, %" PRIu64 ", ...) failed with %d", metadataType.name.c_str(), | 
|  | metadataType.value, error); | 
|  | return static_cast<status_t>(error); | 
|  | } | 
|  |  | 
|  | return decodeFunction(vec, outMetadata); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getDefaultPixelFormatFourCC(uint32_t width, uint32_t height, | 
|  | PixelFormat format, uint32_t layerCount, | 
|  | uint64_t usage, | 
|  | uint32_t* outPixelFormatFourCC) const { | 
|  | return getDefault(width, height, format, layerCount, usage, | 
|  | gralloc4::MetadataType_PixelFormatFourCC, gralloc4::decodePixelFormatFourCC, | 
|  | outPixelFormatFourCC); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getDefaultPixelFormatModifier(uint32_t width, uint32_t height, | 
|  | PixelFormat format, uint32_t layerCount, | 
|  | uint64_t usage, | 
|  | uint64_t* outPixelFormatModifier) const { | 
|  | return getDefault(width, height, format, layerCount, usage, | 
|  | gralloc4::MetadataType_PixelFormatModifier, | 
|  | gralloc4::decodePixelFormatModifier, outPixelFormatModifier); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getDefaultAllocationSize(uint32_t width, uint32_t height, | 
|  | PixelFormat format, uint32_t layerCount, | 
|  | uint64_t usage, | 
|  | uint64_t* outAllocationSize) const { | 
|  | return getDefault(width, height, format, layerCount, usage, | 
|  | gralloc4::MetadataType_AllocationSize, gralloc4::decodeAllocationSize, | 
|  | outAllocationSize); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getDefaultProtectedContent(uint32_t width, uint32_t height, | 
|  | PixelFormat format, uint32_t layerCount, | 
|  | uint64_t usage, | 
|  | uint64_t* outProtectedContent) const { | 
|  | return getDefault(width, height, format, layerCount, usage, | 
|  | gralloc4::MetadataType_ProtectedContent, gralloc4::decodeProtectedContent, | 
|  | outProtectedContent); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getDefaultCompression(uint32_t width, uint32_t height, PixelFormat format, | 
|  | uint32_t layerCount, uint64_t usage, | 
|  | ExtendableType* outCompression) const { | 
|  | return getDefault(width, height, format, layerCount, usage, gralloc4::MetadataType_Compression, | 
|  | gralloc4::decodeCompression, outCompression); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getDefaultCompression(uint32_t width, uint32_t height, PixelFormat format, | 
|  | uint32_t layerCount, uint64_t usage, | 
|  | ui::Compression* outCompression) const { | 
|  | if (!outCompression) { | 
|  | return BAD_VALUE; | 
|  | } | 
|  | ExtendableType compression; | 
|  | status_t error = getDefaultCompression(width, height, format, layerCount, usage, &compression); | 
|  | if (error) { | 
|  | return error; | 
|  | } | 
|  | if (!gralloc4::isStandardCompression(compression)) { | 
|  | return BAD_TYPE; | 
|  | } | 
|  | *outCompression = gralloc4::getStandardCompressionValue(compression); | 
|  | return NO_ERROR; | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getDefaultInterlaced(uint32_t width, uint32_t height, PixelFormat format, | 
|  | uint32_t layerCount, uint64_t usage, | 
|  | ExtendableType* outInterlaced) const { | 
|  | return getDefault(width, height, format, layerCount, usage, gralloc4::MetadataType_Interlaced, | 
|  | gralloc4::decodeInterlaced, outInterlaced); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getDefaultInterlaced(uint32_t width, uint32_t height, PixelFormat format, | 
|  | uint32_t layerCount, uint64_t usage, | 
|  | ui::Interlaced* outInterlaced) const { | 
|  | if (!outInterlaced) { | 
|  | return BAD_VALUE; | 
|  | } | 
|  | ExtendableType interlaced; | 
|  | status_t error = getDefaultInterlaced(width, height, format, layerCount, usage, &interlaced); | 
|  | if (error) { | 
|  | return error; | 
|  | } | 
|  | if (!gralloc4::isStandardInterlaced(interlaced)) { | 
|  | return BAD_TYPE; | 
|  | } | 
|  | *outInterlaced = gralloc4::getStandardInterlacedValue(interlaced); | 
|  | return NO_ERROR; | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getDefaultChromaSiting(uint32_t width, uint32_t height, PixelFormat format, | 
|  | uint32_t layerCount, uint64_t usage, | 
|  | ExtendableType* outChromaSiting) const { | 
|  | return getDefault(width, height, format, layerCount, usage, gralloc4::MetadataType_ChromaSiting, | 
|  | gralloc4::decodeChromaSiting, outChromaSiting); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getDefaultChromaSiting(uint32_t width, uint32_t height, PixelFormat format, | 
|  | uint32_t layerCount, uint64_t usage, | 
|  | ui::ChromaSiting* outChromaSiting) const { | 
|  | if (!outChromaSiting) { | 
|  | return BAD_VALUE; | 
|  | } | 
|  | ExtendableType chromaSiting; | 
|  | status_t error = | 
|  | getDefaultChromaSiting(width, height, format, layerCount, usage, &chromaSiting); | 
|  | if (error) { | 
|  | return error; | 
|  | } | 
|  | if (!gralloc4::isStandardChromaSiting(chromaSiting)) { | 
|  | return BAD_TYPE; | 
|  | } | 
|  | *outChromaSiting = gralloc4::getStandardChromaSitingValue(chromaSiting); | 
|  | return NO_ERROR; | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::getDefaultPlaneLayouts( | 
|  | uint32_t width, uint32_t height, PixelFormat format, uint32_t layerCount, uint64_t usage, | 
|  | std::vector<ui::PlaneLayout>* outPlaneLayouts) const { | 
|  | return getDefault(width, height, format, layerCount, usage, gralloc4::MetadataType_PlaneLayouts, | 
|  | gralloc4::decodePlaneLayouts, outPlaneLayouts); | 
|  | } | 
|  |  | 
|  | std::vector<MetadataTypeDescription> Gralloc4Mapper::listSupportedMetadataTypes() const { | 
|  | hidl_vec<MetadataTypeDescription> descriptions; | 
|  | Error error; | 
|  | auto ret = mMapper->listSupportedMetadataTypes( | 
|  | [&](const auto& tmpError, const auto& tmpDescriptions) { | 
|  | error = tmpError; | 
|  | descriptions = tmpDescriptions; | 
|  | }); | 
|  |  | 
|  | if (!ret.isOk()) { | 
|  | error = kTransactionError; | 
|  | } | 
|  |  | 
|  | if (error != Error::NONE) { | 
|  | ALOGE("listSupportedMetadataType() failed with %d", error); | 
|  | return {}; | 
|  | } | 
|  |  | 
|  | return static_cast<std::vector<MetadataTypeDescription>>(descriptions); | 
|  | } | 
|  |  | 
|  | template <class T> | 
|  | status_t Gralloc4Mapper::metadataDumpHelper(const BufferDump& bufferDump, | 
|  | StandardMetadataType metadataType, | 
|  | DecodeFunction<T> decodeFunction, T* outT) const { | 
|  | const auto& metadataDump = bufferDump.metadataDump; | 
|  |  | 
|  | auto itr = | 
|  | std::find_if(metadataDump.begin(), metadataDump.end(), | 
|  | [&](const MetadataDump& tmpMetadataDump) { | 
|  | if (!gralloc4::isStandardMetadataType(tmpMetadataDump.metadataType)) { | 
|  | return false; | 
|  | } | 
|  | return metadataType == | 
|  | gralloc4::getStandardMetadataTypeValue( | 
|  | tmpMetadataDump.metadataType); | 
|  | }); | 
|  | if (itr == metadataDump.end()) { | 
|  | return BAD_VALUE; | 
|  | } | 
|  |  | 
|  | return decodeFunction(itr->metadata, outT); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Mapper::bufferDumpHelper(const BufferDump& bufferDump, std::ostringstream* outDump, | 
|  | uint64_t* outAllocationSize, bool less) const { | 
|  | uint64_t bufferId; | 
|  | std::string name; | 
|  | uint64_t width; | 
|  | uint64_t height; | 
|  | uint64_t layerCount; | 
|  | ui::PixelFormat pixelFormatRequested; | 
|  | uint32_t pixelFormatFourCC; | 
|  | uint64_t pixelFormatModifier; | 
|  | uint64_t usage; | 
|  | uint64_t allocationSize; | 
|  | uint64_t protectedContent; | 
|  | ExtendableType compression; | 
|  | ExtendableType interlaced; | 
|  | ExtendableType chromaSiting; | 
|  | std::vector<ui::PlaneLayout> planeLayouts; | 
|  |  | 
|  | status_t error = metadataDumpHelper(bufferDump, StandardMetadataType::BUFFER_ID, | 
|  | gralloc4::decodeBufferId, &bufferId); | 
|  | if (error != NO_ERROR) { | 
|  | return error; | 
|  | } | 
|  | error = metadataDumpHelper(bufferDump, StandardMetadataType::NAME, gralloc4::decodeName, &name); | 
|  | if (error != NO_ERROR) { | 
|  | return error; | 
|  | } | 
|  | error = metadataDumpHelper(bufferDump, StandardMetadataType::WIDTH, gralloc4::decodeWidth, | 
|  | &width); | 
|  | if (error != NO_ERROR) { | 
|  | return error; | 
|  | } | 
|  | error = metadataDumpHelper(bufferDump, StandardMetadataType::HEIGHT, gralloc4::decodeHeight, | 
|  | &height); | 
|  | if (error != NO_ERROR) { | 
|  | return error; | 
|  | } | 
|  | error = metadataDumpHelper(bufferDump, StandardMetadataType::LAYER_COUNT, | 
|  | gralloc4::decodeLayerCount, &layerCount); | 
|  | if (error != NO_ERROR) { | 
|  | return error; | 
|  | } | 
|  | error = metadataDumpHelper(bufferDump, StandardMetadataType::PIXEL_FORMAT_REQUESTED, | 
|  | gralloc4::decodePixelFormatRequested, &pixelFormatRequested); | 
|  | if (error != NO_ERROR) { | 
|  | return error; | 
|  | } | 
|  | error = metadataDumpHelper(bufferDump, StandardMetadataType::PIXEL_FORMAT_FOURCC, | 
|  | gralloc4::decodePixelFormatFourCC, &pixelFormatFourCC); | 
|  | if (error != NO_ERROR) { | 
|  | return error; | 
|  | } | 
|  | error = metadataDumpHelper(bufferDump, StandardMetadataType::PIXEL_FORMAT_MODIFIER, | 
|  | gralloc4::decodePixelFormatModifier, &pixelFormatModifier); | 
|  | if (error != NO_ERROR) { | 
|  | return error; | 
|  | } | 
|  | error = metadataDumpHelper(bufferDump, StandardMetadataType::USAGE, gralloc4::decodeUsage, | 
|  | &usage); | 
|  | if (error != NO_ERROR) { | 
|  | return error; | 
|  | } | 
|  | error = metadataDumpHelper(bufferDump, StandardMetadataType::ALLOCATION_SIZE, | 
|  | gralloc4::decodeAllocationSize, &allocationSize); | 
|  | if (error != NO_ERROR) { | 
|  | return error; | 
|  | } | 
|  | error = metadataDumpHelper(bufferDump, StandardMetadataType::PROTECTED_CONTENT, | 
|  | gralloc4::decodeProtectedContent, &protectedContent); | 
|  | if (error != NO_ERROR) { | 
|  | return error; | 
|  | } | 
|  | error = metadataDumpHelper(bufferDump, StandardMetadataType::COMPRESSION, | 
|  | gralloc4::decodeCompression, &compression); | 
|  | if (error != NO_ERROR) { | 
|  | return error; | 
|  | } | 
|  | error = metadataDumpHelper(bufferDump, StandardMetadataType::INTERLACED, | 
|  | gralloc4::decodeInterlaced, &interlaced); | 
|  | if (error != NO_ERROR) { | 
|  | return error; | 
|  | } | 
|  | error = metadataDumpHelper(bufferDump, StandardMetadataType::CHROMA_SITING, | 
|  | gralloc4::decodeChromaSiting, &chromaSiting); | 
|  | if (error != NO_ERROR) { | 
|  | return error; | 
|  | } | 
|  | error = metadataDumpHelper(bufferDump, StandardMetadataType::PLANE_LAYOUTS, | 
|  | gralloc4::decodePlaneLayouts, &planeLayouts); | 
|  | if (error != NO_ERROR) { | 
|  | return error; | 
|  | } | 
|  |  | 
|  | if (outAllocationSize) { | 
|  | *outAllocationSize = allocationSize; | 
|  | } | 
|  | double allocationSizeKiB = static_cast<double>(allocationSize) / 1024; | 
|  |  | 
|  | *outDump << "+ name:" << name << ", id:" << bufferId << ", size:" << allocationSizeKiB | 
|  | << "KiB, w/h:" << width << "x" << height << ", usage: 0x" << std::hex << usage | 
|  | << std::dec << ", req fmt:" << static_cast<int32_t>(pixelFormatRequested) | 
|  | << ", fourcc/mod:" << pixelFormatFourCC << "/" << pixelFormatModifier | 
|  | << ", compressed: "; | 
|  |  | 
|  | if (less) { | 
|  | bool isCompressed = !gralloc4::isStandardCompression(compression) || | 
|  | (gralloc4::getStandardCompressionValue(compression) != ui::Compression::NONE); | 
|  | *outDump << std::boolalpha << isCompressed << "\n"; | 
|  | } else { | 
|  | *outDump << gralloc4::getCompressionName(compression) << "\n"; | 
|  | } | 
|  |  | 
|  | bool firstPlane = true; | 
|  | for (const auto& planeLayout : planeLayouts) { | 
|  | if (firstPlane) { | 
|  | firstPlane = false; | 
|  | *outDump << "\tplanes: "; | 
|  | } else { | 
|  | *outDump << "\t        "; | 
|  | } | 
|  |  | 
|  | for (size_t i = 0; i < planeLayout.components.size(); i++) { | 
|  | const auto& planeLayoutComponent = planeLayout.components[i]; | 
|  | *outDump << gralloc4::getPlaneLayoutComponentTypeName(planeLayoutComponent.type); | 
|  | if (i < planeLayout.components.size() - 1) { | 
|  | *outDump << "/"; | 
|  | } else { | 
|  | *outDump << ":\t"; | 
|  | } | 
|  | } | 
|  | *outDump << " w/h:" << planeLayout.widthInSamples << "x" << planeLayout.heightInSamples | 
|  | << ", stride:" << planeLayout.strideInBytes | 
|  | << " bytes, size:" << planeLayout.totalSizeInBytes; | 
|  | if (!less) { | 
|  | *outDump << ", inc:" << planeLayout.sampleIncrementInBits | 
|  | << " bits, subsampling w/h:" << planeLayout.horizontalSubsampling << "x" | 
|  | << planeLayout.verticalSubsampling; | 
|  | } | 
|  | *outDump << "\n"; | 
|  | } | 
|  |  | 
|  | if (!less) { | 
|  | *outDump << "\tlayer cnt: " << layerCount << ", protected content: " << protectedContent | 
|  | << ", interlaced: " << gralloc4::getInterlacedName(interlaced) | 
|  | << ", chroma siting:" << gralloc4::getChromaSitingName(chromaSiting) << "\n"; | 
|  | } | 
|  |  | 
|  | return NO_ERROR; | 
|  | } | 
|  |  | 
|  | std::string Gralloc4Mapper::dumpBuffer(buffer_handle_t bufferHandle, bool less) const { | 
|  | auto buffer = const_cast<native_handle_t*>(bufferHandle); | 
|  |  | 
|  | BufferDump bufferDump; | 
|  | Error error; | 
|  | auto ret = mMapper->dumpBuffer(buffer, [&](const auto& tmpError, const auto& tmpBufferDump) { | 
|  | error = tmpError; | 
|  | bufferDump = tmpBufferDump; | 
|  | }); | 
|  |  | 
|  | if (!ret.isOk()) { | 
|  | error = kTransactionError; | 
|  | } | 
|  |  | 
|  | if (error != Error::NONE) { | 
|  | ALOGE("dumpBuffer() failed with %d", error); | 
|  | return ""; | 
|  | } | 
|  |  | 
|  | std::ostringstream stream; | 
|  | stream.precision(2); | 
|  |  | 
|  | status_t err = bufferDumpHelper(bufferDump, &stream, nullptr, less); | 
|  | if (err != NO_ERROR) { | 
|  | ALOGE("bufferDumpHelper() failed with %d", err); | 
|  | return ""; | 
|  | } | 
|  |  | 
|  | return stream.str(); | 
|  | } | 
|  |  | 
|  | std::string Gralloc4Mapper::dumpBuffers(bool less) const { | 
|  | hidl_vec<BufferDump> bufferDumps; | 
|  | Error error; | 
|  | auto ret = mMapper->dumpBuffers([&](const auto& tmpError, const auto& tmpBufferDump) { | 
|  | error = tmpError; | 
|  | bufferDumps = tmpBufferDump; | 
|  | }); | 
|  |  | 
|  | if (!ret.isOk()) { | 
|  | error = kTransactionError; | 
|  | } | 
|  |  | 
|  | if (error != Error::NONE) { | 
|  | ALOGE("dumpBuffer() failed with %d", error); | 
|  | return ""; | 
|  | } | 
|  |  | 
|  | uint64_t totalAllocationSize = 0; | 
|  | std::ostringstream stream; | 
|  | stream.precision(2); | 
|  |  | 
|  | stream << "Imported gralloc buffers:\n"; | 
|  |  | 
|  | for (const auto& bufferDump : bufferDumps) { | 
|  | uint64_t allocationSize = 0; | 
|  | status_t err = bufferDumpHelper(bufferDump, &stream, &allocationSize, less); | 
|  | if (err != NO_ERROR) { | 
|  | ALOGE("bufferDumpHelper() failed with %d", err); | 
|  | return ""; | 
|  | } | 
|  | totalAllocationSize += allocationSize; | 
|  | } | 
|  |  | 
|  | double totalAllocationSizeKiB = static_cast<double>(totalAllocationSize) / 1024; | 
|  | stream << "Total imported by gralloc: " << totalAllocationSizeKiB << "KiB\n"; | 
|  | return stream.str(); | 
|  | } | 
|  |  | 
|  | Gralloc4Allocator::Gralloc4Allocator(const Gralloc4Mapper& mapper) : mMapper(mapper) { | 
|  | mAllocator = IAllocator::getService(); | 
|  | if (mAllocator == nullptr) { | 
|  | ALOGW("allocator 3.x is not supported"); | 
|  | return; | 
|  | } | 
|  | } | 
|  |  | 
|  | bool Gralloc4Allocator::isLoaded() const { | 
|  | return mAllocator != nullptr; | 
|  | } | 
|  |  | 
|  | std::string Gralloc4Allocator::dumpDebugInfo(bool less) const { | 
|  | return mMapper.dumpBuffers(less); | 
|  | } | 
|  |  | 
|  | status_t Gralloc4Allocator::allocate(std::string requestorName, uint32_t width, uint32_t height, | 
|  | android::PixelFormat format, uint32_t layerCount, | 
|  | uint64_t usage, uint32_t bufferCount, uint32_t* outStride, | 
|  | buffer_handle_t* outBufferHandles, bool importBuffers) const { | 
|  | IMapper::BufferDescriptorInfo descriptorInfo; | 
|  | sBufferDescriptorInfo(requestorName, width, height, format, layerCount, usage, &descriptorInfo); | 
|  |  | 
|  | BufferDescriptor descriptor; | 
|  | status_t error = mMapper.createDescriptor(static_cast<void*>(&descriptorInfo), | 
|  | static_cast<void*>(&descriptor)); | 
|  | if (error != NO_ERROR) { | 
|  | return error; | 
|  | } | 
|  |  | 
|  | auto ret = mAllocator->allocate(descriptor, bufferCount, | 
|  | [&](const auto& tmpError, const auto& tmpStride, | 
|  | const auto& tmpBuffers) { | 
|  | error = static_cast<status_t>(tmpError); | 
|  | if (tmpError != Error::NONE) { | 
|  | return; | 
|  | } | 
|  |  | 
|  | if (importBuffers) { | 
|  | for (uint32_t i = 0; i < bufferCount; i++) { | 
|  | error = mMapper.importBuffer(tmpBuffers[i], | 
|  | &outBufferHandles[i]); | 
|  | if (error != NO_ERROR) { | 
|  | for (uint32_t j = 0; j < i; j++) { | 
|  | mMapper.freeBuffer(outBufferHandles[j]); | 
|  | outBufferHandles[j] = nullptr; | 
|  | } | 
|  | return; | 
|  | } | 
|  | } | 
|  | } else { | 
|  | for (uint32_t i = 0; i < bufferCount; i++) { | 
|  | outBufferHandles[i] = native_handle_clone( | 
|  | tmpBuffers[i].getNativeHandle()); | 
|  | if (!outBufferHandles[i]) { | 
|  | for (uint32_t j = 0; j < i; j++) { | 
|  | auto buffer = const_cast<native_handle_t*>( | 
|  | outBufferHandles[j]); | 
|  | native_handle_close(buffer); | 
|  | native_handle_delete(buffer); | 
|  | outBufferHandles[j] = nullptr; | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | *outStride = tmpStride; | 
|  | }); | 
|  |  | 
|  | // make sure the kernel driver sees BC_FREE_BUFFER and closes the fds now | 
|  | hardware::IPCThreadState::self()->flushCommands(); | 
|  |  | 
|  | return (ret.isOk()) ? error : static_cast<status_t>(kTransactionError); | 
|  | } | 
|  |  | 
|  | } // namespace android |