| /* |
| * 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. |
| */ |
| |
| #include <android/frameworks/vr/composer/1.0/IVrComposerClient.h> |
| #include <hardware/gralloc.h> |
| #include <hardware/gralloc1.h> |
| #include <log/log.h> |
| |
| #include "impl/vr_hwc.h" |
| #include "impl/vr_composer_client.h" |
| |
| namespace android { |
| namespace dvr { |
| |
| using android::hardware::graphics::common::V1_0::PixelFormat; |
| using android::frameworks::vr::composer::V1_0::IVrComposerClient; |
| |
| VrComposerClient::VrComposerClient(dvr::VrHwc& hal) |
| : ComposerClient(hal), mVrHal(hal) {} |
| |
| VrComposerClient::~VrComposerClient() {} |
| |
| std::unique_ptr<ComposerClient::CommandReader> |
| VrComposerClient::createCommandReader() { |
| return std::unique_ptr<CommandReader>(new VrCommandReader(*this)); |
| } |
| |
| VrComposerClient::VrCommandReader::VrCommandReader(VrComposerClient& client) |
| : CommandReader(client), mVrClient(client), mVrHal(client.mVrHal) {} |
| |
| VrComposerClient::VrCommandReader::~VrCommandReader() {} |
| |
| bool VrComposerClient::VrCommandReader::parseCommand( |
| IComposerClient::Command command, uint16_t length) { |
| IVrComposerClient::VrCommand vrCommand = |
| static_cast<IVrComposerClient::VrCommand>(command); |
| switch (vrCommand) { |
| case IVrComposerClient::VrCommand::SET_LAYER_INFO: |
| return parseSetLayerInfo(length); |
| case IVrComposerClient::VrCommand::SET_CLIENT_TARGET_METADATA: |
| return parseSetClientTargetMetadata(length); |
| case IVrComposerClient::VrCommand::SET_LAYER_BUFFER_METADATA: |
| return parseSetLayerBufferMetadata(length); |
| default: |
| return CommandReader::parseCommand(command, length); |
| } |
| } |
| |
| bool VrComposerClient::VrCommandReader::parseSetLayerInfo(uint16_t length) { |
| if (length != 2) { |
| return false; |
| } |
| |
| auto err = mVrHal.setLayerInfo(mDisplay, mLayer, read(), read()); |
| if (err != Error::NONE) { |
| mWriter.setError(getCommandLoc(), err); |
| } |
| |
| return true; |
| } |
| |
| bool VrComposerClient::VrCommandReader::parseSetClientTargetMetadata( |
| uint16_t length) { |
| if (length != 7) |
| return false; |
| |
| auto err = mVrHal.setClientTargetMetadata(mDisplay, readBufferMetadata()); |
| if (err != Error::NONE) |
| mWriter.setError(getCommandLoc(), err); |
| |
| return true; |
| } |
| |
| bool VrComposerClient::VrCommandReader::parseSetLayerBufferMetadata( |
| uint16_t length) { |
| if (length != 7) |
| return false; |
| |
| auto err = mVrHal.setLayerBufferMetadata(mDisplay, mLayer, |
| readBufferMetadata()); |
| if (err != Error::NONE) |
| mWriter.setError(getCommandLoc(), err); |
| |
| return true; |
| } |
| |
| IVrComposerClient::BufferMetadata |
| VrComposerClient::VrCommandReader::readBufferMetadata() { |
| IVrComposerClient::BufferMetadata metadata = { |
| .width = read(), |
| .height = read(), |
| .stride = read(), |
| .layerCount = read(), |
| .format = static_cast<PixelFormat>(readSigned()), |
| .usage = read64(), |
| }; |
| return metadata; |
| } |
| |
| } // namespace dvr |
| } // namespace android |