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106 lines
2.9 KiB
C++
106 lines
2.9 KiB
C++
#pragma once
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#include "drape_frontend/message_acceptor.hpp"
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#include "drape_frontend/threads_commutator.hpp"
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#include "drape_frontend/tile_utils.hpp"
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#include "drape/graphics_context_factory.hpp"
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#include "drape/texture_manager.hpp"
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#include "base/thread.hpp"
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#include <atomic>
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#include <condition_variable>
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#include <functional>
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#include <memory>
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#include <mutex>
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namespace df
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{
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using OnGraphicsContextInitialized = std::function<void()>;
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class BaseRenderer : public MessageAcceptor
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{
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public:
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struct Params
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{
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Params(dp::ApiVersion apiVersion, ref_ptr<ThreadsCommutator> commutator,
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ref_ptr<dp::GraphicsContextFactory> factory, ref_ptr<dp::TextureManager> texMng,
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OnGraphicsContextInitialized const & onGraphicsContextInitialized)
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: m_apiVersion(apiVersion)
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, m_commutator(commutator)
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, m_oglContextFactory(factory)
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, m_texMng(texMng)
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, m_onGraphicsContextInitialized(onGraphicsContextInitialized)
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{}
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dp::ApiVersion m_apiVersion;
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ref_ptr<ThreadsCommutator> m_commutator;
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ref_ptr<dp::GraphicsContextFactory> m_oglContextFactory;
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ref_ptr<dp::TextureManager> m_texMng;
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OnGraphicsContextInitialized m_onGraphicsContextInitialized;
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};
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BaseRenderer(ThreadsCommutator::ThreadName name, Params const & params);
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bool CanReceiveMessages();
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void IterateRenderLoop();
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void SetRenderingEnabled(ref_ptr<dp::GraphicsContextFactory> contextFactory);
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void SetRenderingDisabled(bool const destroySurface);
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bool IsRenderingEnabled() const;
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dp::ApiVersion GetApiVersion() const { return m_apiVersion; };
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protected:
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dp::ApiVersion m_apiVersion;
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ref_ptr<ThreadsCommutator> m_commutator;
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ref_ptr<dp::GraphicsContextFactory> m_contextFactory;
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ref_ptr<dp::GraphicsContext> m_context;
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ref_ptr<dp::TextureManager> m_texMng;
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void StartThread();
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void StopThread();
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void CreateContext();
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void CheckRenderingEnabled();
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virtual std::unique_ptr<threads::IRoutine> CreateRoutine() = 0;
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virtual void RenderFrame() = 0;
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virtual void OnContextCreate() = 0;
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virtual void OnContextDestroy() = 0;
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virtual void OnRenderingEnabled() {}
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virtual void OnRenderingDisabled() {}
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private:
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using TCompletionHandler = std::function<void()>;
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void IterateRenderLoopImpl();
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threads::Thread m_selfThread;
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ThreadsCommutator::ThreadName m_threadName;
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std::mutex m_renderingEnablingMutex;
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std::condition_variable m_renderingEnablingCondition;
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std::atomic<bool> m_isEnabled;
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TCompletionHandler m_renderingEnablingCompletionHandler;
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std::mutex m_completionHandlerMutex;
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bool m_wasNotified;
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std::atomic<bool> m_wasContextReset;
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OnGraphicsContextInitialized m_onGraphicsContextInitialized;
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static std::atomic<uint8_t> m_contextCounter;
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bool FilterContextDependentMessage(ref_ptr<Message> msg);
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void SetRenderingEnabled(bool const isEnabled);
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void Notify();
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void WakeUp();
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};
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} // namespace df
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