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103 lines
3.8 KiB
C++
103 lines
3.8 KiB
C++
//##################################################################################################
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//
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// Custom Visualization Core library
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// Copyright (C) 2011-2013 Ceetron AS
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//
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// This library may be used under the terms of either the GNU General Public License or
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// the GNU Lesser General Public License as follows:
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//
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// GNU General Public License Usage
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// This library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>>
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// for more details.
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//
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// GNU Lesser General Public License Usage
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
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// for more details.
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//
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//##################################################################################################
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#pragma once
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#include "cvfObject.h"
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namespace cvf {
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//==================================================================================================
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//
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// OpenGL 3.3/4.1 settings:
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//
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// Currently handled:
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// TEXTURE_WRAP_S
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// TEXTURE_WRAP_T
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// TEXTURE_MIN_FILTER
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// TEXTURE_MAG_FILTER
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//
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// TBI:
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// TEXTURE_WRAP_R, TEXTURE_BORDER_COLOR, TEXTURE_MIN_LOD, TEXTURE_MAX_LOD, TEXTURE_LOD_BIAS,
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// TEXTURE_COMPARE_MODE, TEXTURE_COMPARE_FUNC
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//
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//==================================================================================================
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class Sampler : public Object
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{
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public:
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enum WrapMode
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{
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REPEAT, // OpenGL default
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CLAMP_TO_EDGE,
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CLAMP_TO_BORDER,
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MIRRORED_REPEAT
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};
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enum Filter
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{
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NEAREST, ///< Nearest neighbor filtering on the base mip level
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LINEAR, ///< Linear filtering on the base mip level. (Default magnification filter in OpenGL)
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NEAREST_MIPMAP_NEAREST, ///< Selects nearest mip level and performs nearest neighbor filtering
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LINEAR_MIPMAP_NEAREST, ///< Selects nearest mip level and performs linear filtering
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NEAREST_MIPMAP_LINEAR, ///< Perform linear interpolation between mip levels and perform nearest neighbor filtering. (Default minifying filter in OpenGL)
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LINEAR_MIPMAP_LINEAR ///< Perform linear interpolation between mip levels and perform linear filtering (trilinear mipmapping)
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};
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public:
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Sampler();
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void setWrapMode(WrapMode wrapMode);
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void setWrapModeS(WrapMode wrapMode);
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void setWrapModeT(WrapMode wrapMode);
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void setMinFilter(Filter minFilter);
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void setMagFilter(Filter magFilter);
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WrapMode wrapModeS() const;
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WrapMode wrapModeT() const;
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Filter minFilter() const;
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Filter magFilter() const;
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private:
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WrapMode m_wrapModeS; ///< Wrap mode for texture coordinate S. Default is REPEAT
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WrapMode m_wrapModeT; ///< Wrap mode for texture coordinate T. Default is REPEAT
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Filter m_minFilter; ///< Minifying function. Default is NEAREST_MIPMAP_LINEAR
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Filter m_magFilter; ///< Magnification function. Default is LINEAR
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};
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} // namespace cvf
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