Added utility stuff

include/Engine/Core/Util/Logging.h

@@ -0,0 +1,83 @@
+#ifndef Util_Logging_h__
+#define Util_Logging_h__
+
+#ifdef _WIN32
+// http://stackoverflow.com/a/2282433
+#define __func__ __FUNCTION__
+// http://stackoverflow.com/a/8488201
+#define __BASE_FILE__ \
+	(strrchr(__FILE__, '/') \
+	? strrchr(__FILE__, '/') + 1 \
+	: (strrchr(__FILE__, '\\') \
+	? strrchr(__FILE__, '\\') + 1 \
+	: __FILE__))
+#endif
+
+#include <iostream>
+#include <limits>
+#include <string>
+#include <cstdio>
+#include <stdarg.h>
+
+enum class LogLevel
+{
+	LOG_LEVEL_ERROR,
+	LOG_LEVEL_INFO,
+	LOG_LEVEL_WARNING,
+	LOG_LEVEL_DEBUG
+};
+
+extern _LOG_LEVEL LOG_LEVEL;
+
+const static char* _LOG_LEVEL_PREFIX[] =
+{
+	"EE: ",
+	"",
+	"WW: ",
+	"DD: "
+};
+
+static void _LOG(_LOG_LEVEL logLevel, const char* file, const char* func, unsigned int line, const char* format, ...)
+{
+	if (logLevel > LOG_LEVEL) {
+		return;
+	}
+
+	char* message = nullptr;
+	va_list args;
+
+	va_start(args, format);
+	size_t size = vsnprintf(message, 0, format, args) + 1;
+	va_end(args);
+
+	va_start(args, format);
+	message = new char[size];
+	vsnprintf(message, size, format, args);
+	va_end(args);
+
+	if (logLevel == LOG_LEVEL_ERROR) {
+		std::cerr << file << ":" << line << " " << func << std::endl;
+		std::cerr << _LOG_LEVEL_PREFIX[logLevel] << message << std::endl;
+	} else {
+		std::cout << _LOG_LEVEL_PREFIX[logLevel] << message << std::endl;
+	}
+
+	delete[] message;
+}
+
+#define LOG(logLevel, format, ...) \
+	_LOG(logLevel, __BASE_FILE__, __func__, __LINE__, format, ##__VA_ARGS__)
+
+#define LOG_ERROR(format, ...) \
+	LOG(LOG_LEVEL_ERROR, format, ##__VA_ARGS__)
+
+#define LOG_WARNING(format, ...) \
+	LOG(LOG_LEVEL_WARNING, format, ##__VA_ARGS__)
+
+#define LOG_INFO(format, ...) \
+	LOG(LOG_LEVEL_INFO, format, ##__VA_ARGS__)
+
+#define LOG_DEBUG(format, ...) \
+	LOG(LOG_LEVEL_DEBUG, format, ##__VA_ARGS__)
+
+#endif // Logging_h__

include/Engine/Rendering/Util/GLError.h

@@ -0,0 +1,40 @@
+/*
+	This file is part of Daydream Engine.
+	Copyright 2014 Adam Byléhn, Tobias Dahl, Simon Holmberg, Viktor Ljung
+	
+	Daydream Engine is free software: you can redistribute it and/or modify
+	it under the terms of the GNU Lesser General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+	
+	Daydream Engine is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU Lesser General Public License for more details.
+	
+	You should have received a copy of the GNU Lesser General Public License
+	along with Daydream Engine.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef GLError_h__
+#define GLError_h__
+
+#include "PrecompiledHeader.h"
+#include <iostream>
+
+inline bool _GLERROR(const char* info, const char* file, const char* func, unsigned int line)
+{
+	GLenum error = glGetError();
+	if (error != GL_NO_ERROR)
+	{
+		_LOG(LOG_LEVEL_ERROR, file, func, line, "GL Error: %s %i %s", info, error, gluErrorString(error));
+		return true;
+	}
+
+	return false;
+}
+
+#define GLERROR(function) \
+	_GLERROR(function, __BASE_FILE__, __func__, __LINE__)
+
+#endif // GLError_h__

src/Engine/Core/Util/Logging.cpp

@@ -0,0 +1,7 @@
+#include "Core/Util/Logging.h"
+
+#ifdef DEBUG
+_LOG_LEVEL LOG_LEVEL = LOG_LEVEL_DEBUG;
+#else
+_LOG_LEVEL LOG_LEVEL = LOG_LEVEL_INFO;
+#endif