1 /* 2 * Copyright (c) 2025 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef OHOS_HDI_DISPLAY_V1_3_DISPLAY_CMD_REQUESTER_H 17 #define OHOS_HDI_DISPLAY_V1_3_DISPLAY_CMD_REQUESTER_H 18 19 #include "v1_2/display_command/display_cmd_requester.h" 20 #include "v1_3/display_command/display_cmd_utils.h" 21 #include "v1_3/display_composer_type.h" 22 #include "v1_3/idisplay_composer.h" 23 24 namespace OHOS { 25 namespace HDI { 26 namespace Display { 27 namespace Composer { 28 namespace V1_3 { 29 using namespace OHOS::HDI::Base; 30 31 template <typename Transfer, typename CompHdi> 32 class DisplayCmdRequester : public V1_2::DisplayCmdRequester<Transfer, CompHdi> { 33 public: DisplayCmdRequester(sptr<CompHdi> hdi)34 DisplayCmdRequester(sptr<CompHdi> hdi) : BaseType1_2(hdi), hdi_1_3_(hdi) {} 35 Create(sptr<CompHdi> hdi)36 static std::unique_ptr<DisplayCmdRequester> Create(sptr<CompHdi> hdi) 37 { 38 DISPLAY_CHK_RETURN(hdi == nullptr, nullptr, HDF_LOGE("%{public}s: hdi is nullptr", __func__)); 39 auto requester = std::make_unique<DisplayCmdRequester>(hdi); 40 DISPLAY_CHK_RETURN(requester == nullptr, nullptr, 41 HDF_LOGE("%{public}s: CmdRequester is nullptr", __func__)); 42 auto ret = requester->Init(CmdUtils::INIT_ELEMENT_COUNT); 43 if (ret != HDF_SUCCESS) { 44 HDF_LOGE("DisplayCmdRequester init failed"); 45 return nullptr; 46 } 47 return requester; 48 } 49 50 protected: 51 sptr<CompHdi> hdi_1_3_; 52 private: 53 using BaseType1_2 = V1_2::DisplayCmdRequester<Transfer, CompHdi>; 54 }; 55 using HdiDisplayCmdRequester = V1_3::DisplayCmdRequester<SharedMemQueue<int32_t>, V1_3::IDisplayComposer>; 56 } // namespace V1_3 57 } // namespace Composer 58 } // namespace Display 59 } // namespace HDI 60 } // namespace OHOS 61 #endif // OHOS_HDI_DISPLAY_V1_3_DISPLAY_CMD_REQUESTER_H 62