45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
#pragma once
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/*! file use this header to include opengl, glu and glew in the right order.
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If you need wglew.h, include <cgv_gl/gl/wgl.h> instead. */
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#include <GL/glew.h>
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#include "lib_begin.h"
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namespace cgv {
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namespace render {
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namespace gl {
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/** traits structure that maps a fundamental type to the Type enum. */
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template <typename T>
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struct gl_traits { static const unsigned type = GL_FALSE; };
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template <>
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struct gl_traits<unsigned char> { static const unsigned type = GL_UNSIGNED_BYTE; };
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template <>
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struct gl_traits<char> { static const unsigned type = GL_BYTE; };
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template <>
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struct gl_traits<unsigned short> { static const unsigned type = GL_UNSIGNED_SHORT; };
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template <>
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struct gl_traits<short> { static const unsigned type = GL_SHORT; };
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template <>
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struct gl_traits<unsigned int> { static const unsigned type = GL_UNSIGNED_INT; };
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template <>
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struct gl_traits<int> { static const unsigned type = GL_INT; };
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template <>
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struct gl_traits<float> { static const unsigned type = GL_FLOAT; };
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template <>
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struct gl_traits<double> { static const unsigned type = GL_DOUBLE; };
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/// initialize glew in the first call to this function and always return whether this was successful
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extern CGV_API bool ensure_glew_initialized();
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extern CGV_API bool is_glew_initialized();
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}
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}
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}
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#include <cgv/config/lib_end.h>
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