215 lines
5.9 KiB
C++
215 lines
5.9 KiB
C++
/* This file is part of the Pangolin Project.
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* http://github.com/stevenlovegrove/Pangolin
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*
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* Copyright (c) 2014 Steven Lovegrove
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#include <pangolin/gl/glplatform.h>
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#ifdef HAVE_EIGEN
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# include <Eigen/Core>
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#endif
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namespace pangolin
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{
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template<typename T>
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struct GlFormatTraits;
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//{
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// static const GLint glinternalformat = 0;
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// static const GLenum glformat = 0;
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// static const GLenum gltype = 0;
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// static const T glmin = 0;
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// static const T glmax = 0;
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//};
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template<>
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struct GlFormatTraits<unsigned char>
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{
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static const GLint glinternalformat = GL_LUMINANCE8;
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static const GLenum glformat = GL_LUMINANCE;
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static const GLenum gltype = GL_UNSIGNED_BYTE;
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static const size_t components = 1;
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};
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template<>
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struct GlFormatTraits<unsigned short>
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{
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static const GLint glinternalformat = GL_LUMINANCE16;
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static const GLenum glformat = GL_LUMINANCE;
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static const GLenum gltype = GL_UNSIGNED_SHORT;
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static const size_t components = 1;
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};
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template<>
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struct GlFormatTraits<unsigned int>
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{
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static const GLint glinternalformat = GL_LUMINANCE32I_EXT;
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static const GLenum glformat = GL_LUMINANCE;
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static const GLenum gltype = GL_UNSIGNED_INT;
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static const size_t components = 1;
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};
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template<>
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struct GlFormatTraits<int>
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{
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static const GLint glinternalformat = GL_LUMINANCE32I_EXT;
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static const GLenum glformat = GL_LUMINANCE;
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static const GLenum gltype = GL_INT;
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static const size_t components = 1;
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};
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template<>
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struct GlFormatTraits<float>
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{
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static const GLint glinternalformat = GL_LUMINANCE32F_ARB;
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static const GLenum glformat = GL_LUMINANCE;
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static const GLenum gltype = GL_FLOAT;
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static const size_t components = 1;
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};
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template<>
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struct GlFormatTraits<double>
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{
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static const GLint glinternalformat = GL_LUMINANCE32F_ARB;
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static const GLenum glformat = GL_LUMINANCE;
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static const GLenum gltype = GL_DOUBLE;
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static const size_t components = 1;
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};
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#ifdef HAVE_EIGEN
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//////////////////////////////////////////////////////////////////
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template <>
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struct GlFormatTraits<Eigen::Vector2i>
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{
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static const GLint glinternalformat = GL_RG32I;
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static const GLenum glformat = GL_RG;
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static const GLenum gltype = GL_INT;
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static const size_t components = 2;
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};
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template <>
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struct GlFormatTraits<Eigen::Vector2f>
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{
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static const GLint glinternalformat = GL_RG32F;
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static const GLenum glformat = GL_RG;
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static const GLenum gltype = GL_FLOAT;
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static const size_t components = 2;
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};
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template <>
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struct GlFormatTraits<Eigen::Vector2d>
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{
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static const GLint glinternalformat = GL_RG32F;
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static const GLenum glformat = GL_RG;
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static const GLenum gltype = GL_DOUBLE;
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static const size_t components = 2;
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};
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//////////////////////////////////////////////////////////////////
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template <>
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struct GlFormatTraits<Eigen::Matrix<unsigned char,3,1>>
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{
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static const GLint glinternalformat = GL_RGB8;
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static const GLenum glformat = GL_RGB;
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static const GLenum gltype = GL_UNSIGNED_BYTE;
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static const size_t components = 3;
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};
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template <>
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struct GlFormatTraits<Eigen::Matrix<unsigned short,3,1>>
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{
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static const GLint glinternalformat = GL_RGBA16;
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static const GLenum glformat = GL_RGB;
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static const GLenum gltype = GL_UNSIGNED_SHORT;
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static const size_t components = 3;
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};
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template <>
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struct GlFormatTraits<Eigen::Vector3f>
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{
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static const GLint glinternalformat = GL_RGB32F;
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static const GLenum glformat = GL_RGB;
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static const GLenum gltype = GL_FLOAT;
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static const size_t components = 3;
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};
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template <>
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struct GlFormatTraits<Eigen::Vector3d>
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{
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static const GLint glinternalformat = GL_RGB32F;
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static const GLenum glformat = GL_RGB;
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static const GLenum gltype = GL_DOUBLE;
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static const size_t components = 3;
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};
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//////////////////////////////////////////////////////////////////
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template <>
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struct GlFormatTraits<Eigen::Matrix<unsigned char,4,1>>
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{
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static const GLint glinternalformat = GL_RGBA8;
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static const GLenum glformat = GL_RGBA;
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static const GLenum gltype = GL_UNSIGNED_BYTE;
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static const size_t components = 4;
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};
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template <>
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struct GlFormatTraits<Eigen::Matrix<unsigned short,4,1>>
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{
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static const GLint glinternalformat = GL_RGBA16;
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static const GLenum glformat = GL_RGBA;
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static const GLenum gltype = GL_UNSIGNED_SHORT;
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static const size_t components = 4;
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};
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template <>
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struct GlFormatTraits<Eigen::Vector4f>
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{
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static const GLint glinternalformat = GL_RGBA32F;
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static const GLenum glformat = GL_RGBA;
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static const GLenum gltype = GL_FLOAT;
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static const size_t components = 4;
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};
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template <>
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struct GlFormatTraits<Eigen::Vector4d>
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{
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static const GLint glinternalformat = GL_RGBA32F;
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static const GLenum glformat = GL_RGBA;
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static const GLenum gltype = GL_DOUBLE;
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static const size_t components = 4;
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};
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#endif // HAVE_EIGEN
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}
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