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51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
//
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// AmbientOcclusionEffect.h
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// interface/src/renderer
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//
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// Created by Andrzej Kapolka on 7/14/13.
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// Copyright 2013 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_AmbientOcclusionEffect_h
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#define hifi_AmbientOcclusionEffect_h
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#include <DependencyManager.h>
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#include "ViewStateInterface.h"
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class ProgramObject;
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/// A screen space ambient occlusion effect. See John Chapman's tutorial at
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/// http://john-chapman-graphics.blogspot.co.uk/2013/01/ssao-tutorial.html for reference.
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class AmbientOcclusionEffect {
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SINGLETON_DEPENDENCY(AmbientOcclusionEffect)
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public:
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void init(ViewStateInterface* viewState);
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void render();
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private:
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AmbientOcclusionEffect() {}
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virtual ~AmbientOcclusionEffect() {}
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ProgramObject* _occlusionProgram;
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int _nearLocation;
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int _farLocation;
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int _leftBottomLocation;
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int _rightTopLocation;
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int _noiseScaleLocation;
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int _texCoordOffsetLocation;
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int _texCoordScaleLocation;
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ProgramObject* _blurProgram;
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int _blurScaleLocation;
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GLuint _rotationTextureID;
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ViewStateInterface* _viewState;
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};
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#endif // hifi_AmbientOcclusionEffect_h
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