/* $Id$
This file is part of libmspgl
-Copyright © 2007, 2009-2010 Mikko Rasa, Mikkosoft Productions
+Copyright © 2007, 2009-2011 Mikko Rasa, Mikkosoft Productions
Distributed under the LGPL
*/
#include "arb_vertex_buffer_object.h"
#include "arb_vertex_program.h"
#include "arb_vertex_shader.h"
+#include "ext_framebuffer_blit.h"
+#include "ext_framebuffer_multisample.h"
#include "ext_framebuffer_object.h"
#include "except.h"
#include "extension.h"
#include "gl.h"
+#include "nv_primitive_restart.h"
#include "version_1_2.h"
#include "version_1_3.h"
init_arb_vertex_program();
if(extensions.count("GL_EXT_framebuffer_object"))
init_ext_framebuffer_object();
+ if(extensions.count("GL_EXT_framebuffer_blit"))
+ init_ext_framebuffer_blit();
+ if(extensions.count("GL_EXT_framebuffer_multisample"))
+ init_ext_framebuffer_multisample();
if(extensions.count("GL_ARB_vertex_buffer_object"))
init_arb_vertex_buffer_object();
+ if(extensions.count("GL_NV_primitive_restart"))
+ init_nv_primitive_restart();
init_done = true;
}
return extensions.count(ext);
}
+void require_extension(const string &ext)
+{
+ if(!is_supported(ext))
+ throw UnsupportedExtension(ext);
+}
+
const Version &get_gl_version()
{
static Version version;
return version;
}
-void require_extension(const string &ext)
+bool is_version_at_least(unsigned a, unsigned b)
{
- if(!is_supported(ext))
- throw UnsupportedExtension(ext);
+ const Version &ver = get_gl_version();
+ return (ver.major>a || (ver.major==a && ver.minor>=b));
}
void require_version(unsigned a, unsigned b)
{
- const Version &ver = get_gl_version();
- if(ver.major<a || (ver.major==a && ver.minor<b))
+ if(!is_version_at_least(a, b))
throw UnsupportedExtension(format("OpenGL %d.%d", a, b));
}