61 lines
2.2 KiB
C++
61 lines
2.2 KiB
C++
//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of NVIDIA CORPORATION nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2018 NVIDIA Corporation. All rights reserved.
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#pragma once
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#include "GFSDK_SSAO.h"
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#include "Shader.h"
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class HBAOHelper
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{
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public:
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HBAOHelper(float fov, float zNear, float zFar);
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~HBAOHelper();
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bool init();
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bool renderAO(void(*renderScene)(), GLuint oldFBO = 0, bool useNormalTexture = true);
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void resize(int wAA, int hAA, int realw, int realH);
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private:
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GFSDK_SSAO_Parameters mAoParams;
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GFSDK_SSAO_GLFunctions mGLFunctions;
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GFSDK_SSAO_Context_GL* mHbaoGlContext;
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float mNormalMapTransform[16];
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float mFov;
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float mZnear;
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float mZFar;
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GLint mWidthAA;
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GLint mHeightAA;
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GLint mWidthReal;
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GLint mHeightReal;
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GLuint mNormalTex;
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GLuint mDepthTex;
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GLuint mFBO;
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GLuint mDownScaledFBO;
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GLuint mColorTex;
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};
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