initial version ( megaglest 3.2.3-beta3 )

source/shared_lib/include/graphics/gl/opengl.h

@@ -0,0 +1,69 @@
+// ==============================================================
+//	This file is part of Glest Shared Library (www.glest.org)
+//
+//	Copyright (C) 2001-2008 Marti<74>o Figueroa
+//
+//	You can redistribute this code and/or modify it under 
+//	the terms of the GNU General Public License as published 
+//	by the Free Software Foundation; either version 2 of the 
+//	License, or (at your option) any later version
+// ==============================================================
+
+#ifndef _SHARED_GRAPHICS_GL_OPENGL_H_
+#define _SHARED_GRAPHICS_GL_OPENGL_H_
+
+#include <cassert>
+#include <stdexcept>
+#include <string>
+
+#include "conversion.h"
+#include "gl_wrap.h"
+
+using std::runtime_error;
+using std::string;
+
+namespace Shared{ namespace Graphics{ namespace Gl{
+
+using Util::intToStr;
+
+// =====================================================
+//	Globals
+// =====================================================
+
+bool isGlExtensionSupported(const char *extensionName);
+bool isGlVersionSupported(int major, int minor, int release);
+const char *getGlVersion();
+const char *getGlRenderer();
+const char *getGlVendor();
+const char *getGlExtensions();
+const char *getGlPlatformExtensions();
+int getGlMaxLights();
+int getGlMaxTextureSize();
+int getGlMaxTextureUnits();
+int getGlModelviewMatrixStackDepth();
+int getGlProjectionMatrixStackDepth();
+void checkGlExtension(const char *extensionName);
+
+void inline _assertGl(const char *file, int line){
+
+	GLenum error= glGetError();
+
+	if(error != GL_NO_ERROR){
+		const char *errorString= reinterpret_cast<const char*>(gluErrorString(error));
+		throw runtime_error("OpenGL error: "+string(errorString)+" at file: "+string(file)+", line "+intToStr(line));
+	}
+
+}
+
+#ifdef NDEBUG
+#define assertGl() ((void) 0);
+
+#else
+
+#define assertGl() _assertGl(__FILE__, __LINE__);
+	
+#endif
+
+}}}//end namespace
+
+#endif