/*
**	error.h
**
**	Copyright (c) 2008 Max Rupp (feelgood@cs.pdx.edu) All rights reserved.
*/

#ifndef __ERROR_H__
#define __ERROR_H__

#ifdef	DEBUG

#include <stdlib.h>
#include <assert.h>

#define eglError( Error )\
		{\
			printf( "\n%s\n\n", Error );\
			\
			assert( 0 );\
		}

#define eglGetError( )\
		{\
			for ( GLenum Error = glGetError( ); ( GL_NO_ERROR != Error ); Error = glGetError( ) )\
			{\
				switch ( Error )\
				{\
					case GL_INVALID_ENUM:      eglError( "GL_INVALID_ENUM"      ); break;\
					case GL_INVALID_VALUE:     eglError( "GL_INVALID_VALUE"     ); break;\
					case GL_INVALID_OPERATION: eglError( "GL_INVALID_OPERATION" ); break;\
					case GL_STACK_OVERFLOW:    eglError( "GL_STACK_OVERFLOW"    ); break;\
					case GL_STACK_UNDERFLOW:   eglError( "GL_STACK_UNDERFLOW"   ); break;\
					case GL_OUT_OF_MEMORY:     eglError( "GL_OUT_OF_MEMORY"     ); break;\
					default:                                                       break;\
				}\
			}\
		}

#define eglCheckFramebufferStatus( )\
		{\
			switch ( glCheckFramebufferStatusEXT( GL_FRAMEBUFFER_EXT ) )\
			{\
				case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT:         eglError( "GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT"         ); break;\
				case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT: eglError( "GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT" ); break;\
				case GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT:         eglError( "GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT"         ); break;\
				case GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT:            eglError( "GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT"            ); break;\
				case GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT:        eglError( "GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT"        ); break;\
				case GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT:        eglError( "GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT"        ); break;\
				case GL_FRAMEBUFFER_UNSUPPORTED_EXT:                   eglError( "GL_FRAMEBUFFER_UNSUPPORTED_EXT"                   ); break;\
				case GL_INVALID_FRAMEBUFFER_OPERATION_EXT:             eglError( "GL_INVALID_FRAMEBUFFER_OPERATION_EXT"             ); break;\
				default:                                                                                                               break;\
			}\
		}

#define eglGetShaderInfoLog( Shader, Source )\
		{\
			GLint   Status, Count;\
			GLchar *Error;\
			\
			glGetShaderiv( Shader, GL_COMPILE_STATUS, &Status );\
			\
			if ( !Status )\
			{\
				glGetShaderiv( Shader, GL_INFO_LOG_LENGTH, &Count );\
				\
				if ( Count > 0 )\
				{\
					glGetShaderInfoLog( Shader, Count, NULL, ( Error = calloc( 1, Count ) ) );\
					\
					printf( "%s\n\n%s\n", Source, Error );\
					\
					free( Error );\
					\
					assert( 0 );\
				}\
			}\
		}

#else

#define eglError( Error )

#define eglGetError( )

#define eglCheckFramebufferStatus( )

#define eglGetShaderInfoLog(Shader, Source)

#endif /*   DEBUG     */
#endif /* __ERROR_H__ */