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#include "boring_parts.hpp"
// TODO : only need OpenGL things, not GTK ones for now
//#include "gtk_includes.hpp"
/* From http://stackoverflow.com/questions/4317062/opengl-how-to-check-if-the-user-supports-glgenbuffers
#ifdef WIN32
#include <windows.h>
#define glGetProcAddress(a) wglGetProcAddress(a)
#endif
#ifdef X11
#define glGetProcAddress(a) glXGetProcAddress ( \
reinterpret_cast<const unsigned char*>(a) \
)
#endif
#ifndef GetExtension
#define GetExtension(Type, ExtenName) \
ExtenName = (Type) \
glGetProcAddress(STRINGIFY(ExtenName)); \
if(!ExtenName) \
{ \
std:cout << "Your Computer Does Not " \
<< "Support GL Extension: " \
<< STRINGIFY(ExtenName) \
<< std::endl; \
exit(1); \
} \
else \
{ \
std::cout << "Loaded Extension: " \
<< STRINGIFY(ExtenName) \
<< std::endl; \
}
#endif
*/
bool updateGLProjectionMatrix(Glib::RefPtr<Gdk::GL::Context> glCtx, Glib::RefPtr<Gdk::GL::Window> glWin, int width, int height) {
GLdouble aspect = (GLdouble) width/height;
// *** OpenGL BEGIN ***
if (!glWin->gl_begin(glCtx)) return false;
glViewport(0, 0, width, height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(60.0, aspect, 0.1, 10.0);
glMatrixMode(GL_MODELVIEW);
glWin->gl_end();
// *** OpenGL END ***
return true;
}
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