| /* |
| * Copyright (C) 2021 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. |
| */ |
| |
| #ifndef ANDROID_HWC_HOSTUTILS_H |
| #define ANDROID_HWC_HOSTUTILS_H |
| |
| #include "Common.h" |
| #include "HostConnection.h" |
| |
| namespace android { |
| |
| HostConnection* createOrGetHostConnection(); |
| |
| inline HWC2::Error getAndValidateHostConnection( |
| HostConnection** ppHostCon, ExtendedRCEncoderContext** ppRcEnc) { |
| *ppHostCon = nullptr; |
| *ppRcEnc = nullptr; |
| |
| HostConnection* hostCon = createOrGetHostConnection(); |
| if (!hostCon) { |
| ALOGE("%s: Failed to get host connection\n", __FUNCTION__); |
| return HWC2::Error::NoResources; |
| } |
| ExtendedRCEncoderContext* rcEnc = hostCon->rcEncoder(); |
| if (!rcEnc) { |
| ALOGE("%s: Failed to get renderControl encoder context\n", __FUNCTION__); |
| return HWC2::Error::NoResources; |
| } |
| |
| *ppHostCon = hostCon; |
| *ppRcEnc = rcEnc; |
| return HWC2::Error::None; |
| } |
| |
| #define DEFINE_AND_VALIDATE_HOST_CONNECTION \ |
| HostConnection* hostCon; \ |
| ExtendedRCEncoderContext* rcEnc; \ |
| { \ |
| HWC2::Error res = getAndValidateHostConnection(&hostCon, &rcEnc); \ |
| if (res != HWC2::Error::None) { \ |
| return res; \ |
| } \ |
| } |
| } // namespace android |
| |
| #endif |