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53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
//
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// Created by Bradley Austin Davis on 2015/07/20
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// Copyright 2015 High Fidelity, Inc.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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#ifndef hifi_FramebufferCache_h
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#define hifi_FramebufferCache_h
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#include <QSize>
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#include <mutex>
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#include <gpu/Forward.h>
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#include <DependencyManager.h>
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/// Stores cached textures, including render-to-texture targets.
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class FramebufferCache : public Dependency {
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SINGLETON_DEPENDENCY
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public:
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// Shadow map size is static
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static const int SHADOW_MAP_SIZE = 2048;
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/// Sets the desired texture resolution for the framebuffer objects.
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void setFrameBufferSize(QSize frameBufferSize);
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const QSize& getFrameBufferSize() const { return _frameBufferSize; }
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/// Returns the framebuffer object used to render selfie maps;
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gpu::FramebufferPointer getSelfieFramebuffer();
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/// Returns a free framebuffer with a single color attachment for temp or intra-frame operations
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gpu::FramebufferPointer getFramebuffer();
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// TODO add sync functionality to the release, so we don't reuse a framebuffer being read from
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/// Releases a free framebuffer back for reuse
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void releaseFramebuffer(const gpu::FramebufferPointer& framebuffer);
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private:
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void createPrimaryFramebuffer();
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gpu::FramebufferPointer _shadowFramebuffer;
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gpu::FramebufferPointer _selfieFramebuffer;
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QSize _frameBufferSize{ 100, 100 };
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std::mutex _mutex;
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std::list<gpu::FramebufferPointer> _cachedFramebuffers;
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};
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#endif // hifi_FramebufferCache_h
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