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55 lines
1.5 KiB
C++
55 lines
1.5 KiB
C++
#pragma once
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#include "drape/graphics_context.hpp"
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#include "base/assert.hpp"
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#include <condition_variable>
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#include <functional>
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#include <mutex>
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namespace dp
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{
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class GraphicsContextFactory
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{
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public:
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virtual ~GraphicsContextFactory() = default;
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virtual GraphicsContext * GetDrawContext() = 0;
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virtual GraphicsContext * GetResourcesUploadContext() = 0;
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virtual bool IsDrawContextCreated() const { return false; }
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virtual bool IsUploadContextCreated() const { return false; }
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virtual void WaitForInitialization(dp::GraphicsContext * context) {}
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virtual void SetPresentAvailable(bool available) {}
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};
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class ThreadSafeFactory : public GraphicsContextFactory
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{
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public:
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ThreadSafeFactory(GraphicsContextFactory * factory, bool enableSharing = true);
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~ThreadSafeFactory();
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GraphicsContext * GetDrawContext() override;
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GraphicsContext * GetResourcesUploadContext() override;
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template<typename T>
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T * CastFactory()
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{
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return dynamic_cast<T *>(m_factory);
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}
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void WaitForInitialization(dp::GraphicsContext * context) override;
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void SetPresentAvailable(bool available) override;
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protected:
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using TCreateCtxFn = std::function<GraphicsContext * ()>;
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using TIsSeparateCreatedFn = std::function<bool()>;
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GraphicsContext * CreateContext(TCreateCtxFn const & createFn,
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TIsSeparateCreatedFn const & checkFn);
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private:
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GraphicsContextFactory * m_factory;
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std::mutex m_condLock;
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std::condition_variable m_Cond;
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bool m_enableSharing;
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};
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} // namespace dp
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