1 /* 2 * Copyright (C) 2023 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 RENDER_RENDERER_H 17 #define RENDER_RENDERER_H 18 19 #include <mutex> 20 21 #include <base/containers/unique_ptr.h> 22 #include <base/containers/vector.h> 23 #include <core/threading/intf_thread_pool.h> 24 #include <render/intf_renderer.h> 25 #include <render/namespace.h> 26 #include <render/render_data_structures.h> 27 #include <render/resource_handle.h> 28 #include <render/util/intf_render_util.h> 29 30 RENDER_BEGIN_NAMESPACE() 31 class Device; 32 class GpuResourceManager; 33 class IRenderContext; 34 class ShaderManager; 35 class PipelineRenderNodes; 36 class RenderPipeline; 37 class RenderBackend; 38 class RenderFrameSync; 39 class RenderGraph; 40 class PipelineInitializerBase; 41 class RenderNodeGraphManager; 42 class RenderDataStoreManager; 43 class RenderUtil; 44 struct RenderNodeGraphNodeStore; 45 46 /** 47 Renderer. 48 Implementation of default renderer. 49 Renderer renderers a render node graph with input data. 50 */ 51 class Renderer final : public IRenderer { 52 public: 53 explicit Renderer(IRenderContext& context); 54 ~Renderer(); 55 56 void RenderFrame(const BASE_NS::array_view<const RenderHandleReference> renderNodeGraphs) override; 57 void RenderDeferred(const BASE_NS::array_view<const RenderHandleReference> renderNodeGraphs) override; 58 void RenderDeferredFrame() override; 59 60 void InitNodeGraph(RenderHandle renderNodeGraphHandle); 61 62 private: 63 // same render node graphs needs to be removed before calling this 64 void RenderFrameImpl(const BASE_NS::array_view<const RenderHandle> renderNodeGraphs); 65 66 void ExecuteRenderNodes(const BASE_NS::array_view<const RenderHandle> renderNodeGraphInputs, 67 const BASE_NS::array_view<RenderNodeGraphNodeStore*> renderNodeGraphNodeStores); 68 void ExecuteRenderBackend(const BASE_NS::array_view<const RenderHandle> renderNodeGraphInputs, 69 const BASE_NS::array_view<RenderNodeGraphNodeStore*> renderNodeGraphNodeStores); 70 71 BASE_NS::vector<RenderHandle> GatherInputs(const BASE_NS::array_view<const RenderHandle> renderNodeGraphInputList); 72 void RemapBackBufferHandle(const IRenderDataStoreManager& renderData); 73 74 void ProcessTimeStampEnd(); 75 void Tick(); 76 77 CORE_NS::IThreadPool::Ptr threadPool_; 78 79 IRenderContext& renderContext_; 80 Device& device_; 81 GpuResourceManager& gpuResourceMgr_; 82 ShaderManager& shaderMgr_; 83 RenderNodeGraphManager& renderNodeGraphMgr_; 84 RenderDataStoreManager& renderDataStoreMgr_; 85 RenderUtil& renderUtil_; 86 87 BASE_NS::unique_ptr<RenderGraph> renderGraph_; 88 BASE_NS::unique_ptr<RenderBackend> renderBackend_; 89 BASE_NS::unique_ptr<RenderFrameSync> renderFrameSync_; 90 CORE_NS::IParallelTaskQueue::Ptr parallelQueue_; 91 CORE_NS::ISequentialTaskQueue::Ptr sequentialQueue_; 92 RenderingConfiguration renderConfig_; 93 94 RenderHandleReference defaultStagingRng_; 95 // deferred creation (only if using NodeGraphBackBufferConfiguration BackBufferType::GPU_IMAGE_BUFFER_COPY) 96 RenderHandleReference defaultBackBufferGpuBufferRng_; 97 98 // mutex for calling RenderFrame() 99 mutable std::mutex renderMutex_; 100 101 // mutex for deferred render node graph list 102 mutable std::mutex deferredMutex_; 103 BASE_NS::vector<RenderHandleReference> deferredRenderNodeGraphs_; 104 105 RenderTimings::Times frameTimes_; 106 uint64_t firstTime_ { ~0u }; 107 uint64_t previousFrameTime_ { ~0u }; 108 uint64_t deltaTime_ { 1 }; 109 }; 110 RENDER_END_NAMESPACE() 111 112 #endif // RENDER_RENDERER_H 113