1 /* 2 * Copyright (C) 2019 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 CPP_EVS_MANAGER_1_1_HALDISPLAY_H_ 18 #define CPP_EVS_MANAGER_1_1_HALDISPLAY_H_ 19 20 #include <android/hardware/automotive/evs/1.1/IEvsDisplay.h> 21 #include <android/hardware/automotive/evs/1.1/types.h> 22 23 #include <limits> 24 25 namespace android::automotive::evs::V1_1::implementation { 26 27 // TODO(129284474): This class has been defined to wrap the IEvsDisplay object the driver 28 // returns because of b/129284474 and represents an EVS display to the client 29 // application. With a proper bug fix, we may remove this class and update the 30 // manager directly to use the IEvsDisplay object the driver provides. 31 class HalDisplay : public ::android::hardware::automotive::evs::V1_1::IEvsDisplay { 32 public: 33 explicit HalDisplay(sp<::android::hardware::automotive::evs::V1_0::IEvsDisplay> display, 34 int32_t port = std::numeric_limits<int32_t>::min()); 35 virtual ~HalDisplay(); 36 37 inline void shutdown(); 38 sp<::android::hardware::automotive::evs::V1_0::IEvsDisplay> getHwDisplay(); 39 40 // Methods from ::android::hardware::automotive::evs::V1_0::IEvsDisplay follow. 41 ::android::hardware::Return<void> getDisplayInfo(getDisplayInfo_cb _hidl_cb) override; 42 ::android::hardware::Return<::android::hardware::automotive::evs::V1_0::EvsResult> 43 setDisplayState(::android::hardware::automotive::evs::V1_0::DisplayState state) override; 44 ::android::hardware::Return<::android::hardware::automotive::evs::V1_0::DisplayState> 45 getDisplayState() override; 46 ::android::hardware::Return<void> getTargetBuffer(getTargetBuffer_cb _hidl_cb) override; 47 ::android::hardware::Return<::android::hardware::automotive::evs::V1_0::EvsResult> 48 returnTargetBufferForDisplay( 49 const ::android::hardware::automotive::evs::V1_0::BufferDesc& buffer) override; 50 51 // Methods from ::android::hardware::automotive::evs::V1_1::IEvsDisplay follow. 52 ::android::hardware::Return<void> getDisplayInfo_1_1(getDisplayInfo_1_1_cb _info_cb) override; 53 54 // ::android::hardware::Returns a string showing the current status 55 std::string toString(const char* indent = ""); 56 57 private: 58 sp<::android::hardware::automotive::evs::V1_0::IEvsDisplay> 59 mHwDisplay; // The low level display interface that backs this proxy 60 int32_t mId; // Display identifier 61 }; 62 63 } // namespace android::automotive::evs::V1_1::implementation 64 65 #endif // CPP_EVS_MANAGER_1_1_HALDISPLAY_H_ 66