gl.h

#pragma once

 
#include <GL/glew.h>
 
#include "lib_begin.h"
 
namespace cgv {
    namespace render {
        namespace gl {

template <typename T>
struct gl_traits { static const unsigned type = GL_FALSE; static const bool valid_index = false; };
template <> 
struct gl_traits<unsigned char> { static const unsigned type = GL_UNSIGNED_BYTE; static const bool valid_index = true; };
template <> 
struct gl_traits<char> { static const unsigned type = GL_BYTE; static const bool valid_index = false; };
template <> 
struct gl_traits<unsigned short> { static const unsigned type = GL_UNSIGNED_SHORT; static const bool valid_index = true; };
template <> 
struct gl_traits<short> { static const unsigned type = GL_SHORT; static const bool valid_index = false; };
template <> 
struct gl_traits<unsigned int> { static const unsigned type = GL_UNSIGNED_INT; static const bool valid_index = true; };
template <> 
struct gl_traits<int> { static const unsigned type = GL_INT; static const bool valid_index = false; };
template <> 
struct gl_traits<float> { static const unsigned type = GL_FLOAT; static const bool valid_index = false; };
template <> 
struct gl_traits<double> { static const unsigned type = GL_DOUBLE; static const bool valid_index = false; };
 

extern CGV_API bool ensure_glew_initialized();
extern CGV_API bool is_glew_initialized();
 
        }
    }
}
 
#include <cgv/config/lib_end.h>