/*
 * Copyright 2011-2014 Blender Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "util/util_logging.h"

#include "util/util_math.h"

#include <stdio.h>
#ifdef _MSC_VER
#  define snprintf _snprintf
#endif

CCL_NAMESPACE_BEGIN

void util_logging_init(const char *argv0)
{
#ifdef WITH_CYCLES_LOGGING
	using CYCLES_GFLAGS_NAMESPACE::SetCommandLineOption;

	/* Make it so ERROR messages are always print into console. */
	char severity_fatal[32];
	snprintf(severity_fatal, sizeof(severity_fatal), "%d",
	         google::GLOG_ERROR);

	google::InitGoogleLogging(argv0);
	SetCommandLineOption("logtostderr", "1");
	SetCommandLineOption("v", "0");
	SetCommandLineOption("stderrthreshold", severity_fatal);
	SetCommandLineOption("minloglevel", severity_fatal);
#else
	(void) argv0;
#endif
}

void util_logging_start(void)
{
#ifdef WITH_CYCLES_LOGGING
	using CYCLES_GFLAGS_NAMESPACE::SetCommandLineOption;
	SetCommandLineOption("logtostderr", "1");
	SetCommandLineOption("v", "2");
	SetCommandLineOption("stderrthreshold", "1");
	SetCommandLineOption("minloglevel", "0");
#endif
}

void util_logging_verbosity_set(int verbosity)
{
#ifdef WITH_CYCLES_LOGGING
	using CYCLES_GFLAGS_NAMESPACE::SetCommandLineOption;
	char val[10];
	snprintf(val, sizeof(val), "%d", verbosity);
	SetCommandLineOption("v", val);
#else
	(void) verbosity;
#endif
}

std::ostream& operator <<(std::ostream &os,
                          const int2 &value)
{
	os << "(" << value.x
	   << ", " << value.y
	   << ")";
	return os;
}

std::ostream& operator <<(std::ostream &os,
                          const float3 &value)
{
	os << "(" << value.x
	   << ", " << value.y
	   << ", " << value.z
	   << ")";
	return os;
}

CCL_NAMESPACE_END