GLSupport.h
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GLSupport.h
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	#ifndef _EGLSUPPORT_H_
	#define _EGLSUPPORT_H_
	#include <echo/Logging/Logging.h>

	#ifdef ECHO_PLATFORM_WINDOWS

	#if !defined( __MINGW32__ )
	#define WIN32_LEAN_AND_MEAN
	#ifndef NOMINMAX
	#define NOMINMAX // required to stop windows.h messing up std::min
	#endif
	#endif

	#include <windows.h>
	#include <wingdi.h>
	#include <GL/glew.h>
	#include <GL/wglew.h>
	#include <GL/glu.h>
	#include <GL/gl.h>
	#undef TRANSPARENT
	#define ECHO_RENDERER_GL
	#define ECHO_GL_SUPPORTS_TEXTURE_GENERATION
	#define ECHO_GL_SUPPORTS_POINT_SPRITE

	//Disabling these macros for Windows until T323 is fixed
	//#define ECHO_GL_SUPPORTS_FRAGMENT_SHADER
	//#define ECHO_GL_SUPPORTS_VERTEX_SHADER
	//#define ECHO_GL_SUPPORTS_SHADER


	#elif ECHO_PLATFORM_LINUX

	#include <GL/glew.h>
	#include <GL/glu.h>
	#define GL_GLEXT_PROTOTYPES
	#define ECHO_RENDERER_GL
	#define ECHO_GL_SUPPORTS_TEXTURE_GENERATION
	#define ECHO_GL_SUPPORTS_POINT_SPRITE
	#define ECHO_GL_SUPPORTS_FRAGMENT_SHADER
	#define ECHO_GL_SUPPORTS_VERTEX_SHADER
	#define ECHO_GL_SUPPORTS_SHADER

	#elif ECHO_PLATFORM_ANDROID

	#define ECHO_RENDERER_GL

	#ifdef ECHO_GLES_SUPPORT
	#include <GLES/gl.h>

	#define GL_LUMINANCE8 GL_LUMINANCE
	#define GL_LUMINANCE8_ALPHA8 GL_LUMINANCE_ALPHA

	#define ECHO_RENDERER_GL
	#elif defined (ECHO_GLES2_SUPPORT)
	#include <GLES2/gl2.h>
	#define ECHO_RENDERER_GL
	#define ECHO_GL_SUPPORTS_FRAGMENT_SHADER
	#define ECHO_GL_SUPPORTS_VERTEX_SHADER
	#define ECHO_GL_SUPPORTS_SHADER
	#endif


	#elif defined (ECHO_PLATFORM_MAC) \|\| (ECHO_PLATFORM_IOS)
	#define ECHO_RENDERER_GL

	#ifdef ECHO_PLATFORM_IOS
	#include <OpenGLES/ES1/gl.h>
	#define GL_GLEXT_PROTOTYPES
	#define ECHO_RENDERER_GL
	#define ECHO_GL_SUPPORTS_TEXTURE_GENERATION
	#define ECHO_GL_SUPPORTS_POINT_SPRITE
	#else
	#include <GL/glew.h>
	#include <OpenGL/glu.h>
	#include <OpenGL/OpenGL.h>
	#define ECHO_GL_SUPPORTS_TEXTURE_GENERATION
	#define ECHO_GL_SUPPORTS_POINT_SPRITE
	#endif

	#endif

	namespace Echo
	{
	inline void HandleOpenGLError_(const char* file, int lineNumber, std::string additional)
	{
	GLenum e = glGetError();
	if(e != GL_NO_ERROR)
	{
	switch(e)
	{
	case GL_INVALID_ENUM: ECHO_LOG(Echo::Logger::LogLevels::ERROR, file, lineNumber, "OpenGL: " << e << ": GL_INVALID_ENUM " << additional); break;
	case GL_INVALID_VALUE: ECHO_LOG(Echo::Logger::LogLevels::ERROR, file, lineNumber, "OpenGL: " << e << ": GL_INVALID_VALUE " << additional); break;
	case GL_INVALID_OPERATION: ECHO_LOG(Echo::Logger::LogLevels::ERROR, file, lineNumber, "OpenGL: " << e << ": GL_INVALID_OPERATION " << additional); break;
	case GL_STACK_OVERFLOW: ECHO_LOG(Echo::Logger::LogLevels::ERROR, file, lineNumber, "OpenGL: " << e << ": GL_STACK_OVERFLOW " << additional); break;
	case GL_STACK_UNDERFLOW: ECHO_LOG(Echo::Logger::LogLevels::ERROR, file, lineNumber, "OpenGL: " << e << ": GL_STACK_UNDERFLOW " << additional); break;
	case GL_OUT_OF_MEMORY: ECHO_LOG(Echo::Logger::LogLevels::ERROR, file, lineNumber, "OpenGL: " << e << ": GL_OUT_OF_MEMORY " << additional); break;
	default: ECHO_LOG(Echo::Logger::LogLevels::ERROR, file, lineNumber, "OpenGL: " << e << ": " << additional); break;

	}
	}
	}
	#define EchoHandleOpenGLError() HandleOpenGLError_(__FILE__,__LINE__,"")
	#define EchoHandleOpenGLErrorInfo(additional) HandleOpenGLError_(__FILE__,__LINE__,additional)
	}

	#endif

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