static void CheckTextureRectangle()
{
if (Glut.glutExtensionSupported("GL_EXT_texture_rectangle") == 0)
{
haveTextRectangle = false;
}
}
static void CheckMultiSampling()
{
int s;
Gl.glGetIntegerv(WGL_SAMPLES_ARB, out s);
if (Glut.glutExtensionSupported("GL_ARB_multisample") != 0 || s < 1)
{
haveMultisample = false;
}
}
static void CheckAnisotropicFiltering()
{
if (Glut.glutExtensionSupported("GL_EXT_texture_filter_anisotropic") == 0)
{
haveAnisotropicFiltering = false;
}
else
{
haveAnisotropicFiltering = true;
}
}