1 /* 2 * Copyright 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_DVR_HARDWARE_COMPOSER_IMPL_VR_COMPOSER_CLIENT_H 18 #define ANDROID_DVR_HARDWARE_COMPOSER_IMPL_VR_COMPOSER_CLIENT_H 19 20 #include <android/frameworks/vr/composer/1.0/IVrComposerClient.h> 21 #include <composer-command-buffer/2.1/ComposerCommandBuffer.h> 22 #include <composer-hal/2.1/ComposerClient.h> 23 #include <composer-hal/2.1/ComposerCommandEngine.h> 24 25 namespace android { 26 namespace dvr { 27 28 class VrHwc; 29 30 using hardware::graphics::composer::V2_1::hal::ComposerCommandEngine; 31 using hardware::graphics::composer::V2_1::hal::ComposerHal; 32 using hardware::graphics::composer::V2_1::hal::detail::ComposerClientImpl; 33 34 using ComposerClient = ComposerClientImpl<IVrComposerClient, ComposerHal>; 35 36 class VrComposerClient : public ComposerClient { 37 public: 38 VrComposerClient(android::dvr::VrHwc& hal); 39 virtual ~VrComposerClient(); 40 41 private: 42 class VrCommandEngine : public ComposerCommandEngine { 43 public: 44 VrCommandEngine(VrComposerClient& client); 45 ~VrCommandEngine() override; 46 47 bool executeCommand(IComposerClient::Command command, 48 uint16_t length) override; 49 50 private: 51 bool executeSetLayerInfo(uint16_t length); 52 bool executeSetClientTargetMetadata(uint16_t length); 53 bool executeSetLayerBufferMetadata(uint16_t length); 54 55 IVrComposerClient::BufferMetadata readBufferMetadata(); 56 57 VrComposerClient& mVrClient; 58 android::dvr::VrHwc& mVrHal; 59 60 VrCommandEngine(const VrCommandEngine&) = delete; 61 void operator=(const VrCommandEngine&) = delete; 62 }; 63 64 VrComposerClient(const VrComposerClient&) = delete; 65 void operator=(const VrComposerClient&) = delete; 66 67 std::unique_ptr<ComposerCommandEngine> createCommandEngine() override; 68 dvr::VrHwc& mVrHal; 69 }; 70 71 } // namespace dvr 72 } // namespace android 73 74 #endif // ANDROID_DVR_HARDWARE_COMPOSER_IMPL_VR_COMPOSER_CLIENT_H 75