// Copyright 2016 The SwiftShader Authors. All Rights Reserved.
//
// 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.

// debug.cpp: Debugging utilities.

#include "common/debug.h"

#ifdef  __ANDROID__
#include <utils/String8.h>
#include <cutils/log.h>
#endif

#include <stdio.h>
#include <stdarg.h>

namespace es
{
#if defined(__ANDROID__) && !defined(ANDROID_HOST_BUILD)
	static void output(const char *format, va_list vararg)
	{
		ALOGI("%s", android::String8::formatV(format, vararg).string());
	}
#else
	static void output(const char *format, va_list vararg)
	{
		if(true)
		{
			static FILE* file = nullptr;
			if(!file)
			{
				file = fopen(TRACE_OUTPUT_FILE, "w");
			}

			if(file)
			{
				vfprintf(file, format, vararg);
				fflush(file);
			}
		}
	}
#endif

	void trace(const char *format, ...)
	{
		va_list vararg;
		va_start(vararg, format);
		output(format, vararg);
		va_end(vararg);
	}
}