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 EFFECT_VULKAN_CONTEXT_H 17 #define EFFECT_VULKAN_CONTEXT_H 18 19 #include "platform/ohos/backend/rs_vulkan_context.h" 20 21 namespace OHOS::Rosen { 22 class EffectVulkanContext { 23 public: 24 class DrawContextHolder { 25 public: DrawContextHolder(std::function<void ()> callback)26 explicit DrawContextHolder(std::function<void()> callback) : destructCallback_(std::move(callback)) {} 27 ~DrawContextHolder()28 ~DrawContextHolder() 29 { 30 destructCallback_(); 31 } 32 private: 33 std::function<void()> destructCallback_; 34 }; 35 static EffectVulkanContext& GetSingleton(const std::string& cacheDir = ""); 36 explicit EffectVulkanContext(std::string cacheDir = ""); 37 ~EffectVulkanContext(); 38 39 EffectVulkanContext(const EffectVulkanContext&) = delete; 40 EffectVulkanContext &operator=(const EffectVulkanContext&) = delete; 41 EffectVulkanContext(const EffectVulkanContext&&) = delete; 42 EffectVulkanContext &operator=(const EffectVulkanContext&&) = delete; 43 44 std::shared_ptr<Drawing::GPUContext> CreateDrawingContext(); 45 static void ReleaseDrawingContextForThread(int tid); 46 47 static void SaveNewDrawingContext(int tid, std::shared_ptr<Drawing::GPUContext> drawingContext); 48 private: 49 std::shared_ptr<RsVulkanInterface> vulkanInterface_; 50 static std::map<int, std::shared_ptr<Drawing::GPUContext>> drawingContextMap_; 51 static std::mutex drawingContextMutex_; 52 }; 53 } 54 55 #endif