/*-------------------------------------------------------------------------
 * OpenGL Conformance Test Suite
 * -----------------------------
 *
 * Copyright (c) 2016 Google Inc.
 * Copyright (c) 2016 The Khronos Group Inc.
 *
 * 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.
 *
 */ /*!
 * \file
 * \brief OpenGL Test Case Wrapper.
 */ /*-------------------------------------------------------------------*/

#include "glcTestCaseWrapper.hpp"
#include "gluStateReset.hpp"
#include "glwEnums.hpp"
#include "glwFunctions.hpp"
#include "tcuTestLog.hpp"

namespace deqp
{

using tcu::TestLog;

TestCaseWrapper::TestCaseWrapper(Context& context) : m_testCtx(context.getTestContext()), m_context(context)
{
}

TestCaseWrapper::~TestCaseWrapper(void)
{
}

bool TestCaseWrapper::initTestCase(tcu::TestCase* testCase)
{
	TestLog& log	 = m_testCtx.getLog();
	bool	 success = false;

	try
	{
		// Clear state to defaults
		glu::resetState(m_context.getRenderContext(), m_context.getContextInfo());
	}
	catch (const std::exception& e)
	{
		log << e;
		log << TestLog::Message << "Error in state reset, test program will terminate." << TestLog::EndMessage;
		return false;
	}

	try
	{
		testCase->init();
		success = true;
	}
	catch (const std::bad_alloc&)
	{
		DE_ASSERT(!success);
		m_testCtx.setTestResult(QP_TEST_RESULT_RESOURCE_ERROR, "Failed to allocate memory in test case init");
	}
	catch (const tcu::ResourceError& e)
	{
		DE_ASSERT(!success);
		m_testCtx.setTestResult(QP_TEST_RESULT_RESOURCE_ERROR, "Resource error in test case init");
		log << e;
	}
	catch (const tcu::NotSupportedError& e)
	{
		DE_ASSERT(!success);
		m_testCtx.setTestResult(QP_TEST_RESULT_NOT_SUPPORTED, "Not supported");
		log << e;
	}
	catch (const tcu::InternalError& e)
	{
		DE_ASSERT(!success);
		m_testCtx.setTestResult(QP_TEST_RESULT_INTERNAL_ERROR, "Internal error in test case init");
		log << e;
	}
	catch (const tcu::Exception& e)
	{
		DE_ASSERT(!success);
		log << e;
	}

	if (!success)
	{
		if (m_testCtx.getTestResult() == QP_TEST_RESULT_LAST)
			m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Error in test case init");
		return false;
	}

	return true;
}

bool TestCaseWrapper::deinitTestCase(tcu::TestCase* testCase)
{
	TestLog& log = m_testCtx.getLog();

	try
	{
		testCase->deinit();
	}
	catch (const tcu::Exception& e)
	{
		log << e;
		log << TestLog::Message << "Error in test case deinit, test program will terminate." << TestLog::EndMessage;
		return false;
	}

	try
	{
		// Clear state to defaults
		glu::resetState(m_context.getRenderContext(), m_context.getContextInfo());
	}
	catch (const std::exception& e)
	{
		log << e;
		log << TestLog::Message << "Error in state reset, test program will terminate." << TestLog::EndMessage;
		return false;
	}

	return true;
}

tcu::TestNode::IterateResult TestCaseWrapper::iterateTestCase(tcu::TestCase* testCase)
{
	// Iterate the sub-case.
	TestLog&					 log		   = m_testCtx.getLog();
	tcu::TestCase::IterateResult iterateResult = tcu::TestCase::STOP;

	try
	{
		iterateResult = testCase->iterate();
	}
	catch (const std::bad_alloc&)
	{
		m_testCtx.setTestResult(QP_TEST_RESULT_RESOURCE_ERROR, "Failed to allocate memory during test execution");
	}
	catch (const tcu::ResourceError& e)
	{
		log << e;
		m_testCtx.setTestResult(QP_TEST_RESULT_RESOURCE_ERROR, "Resource error during test execution");
	}
	catch (const tcu::NotSupportedError& e)
	{
		log << e;
		m_testCtx.setTestResult(QP_TEST_RESULT_NOT_SUPPORTED, "Not supported");
	}
	catch (const tcu::InternalError& e)
	{
		log << e;
		m_testCtx.setTestResult(QP_TEST_RESULT_INTERNAL_ERROR, "Internal error in test execution");
	}
	catch (const tcu::Exception& e)
	{
		log << e;
		m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Error in test execution");
	}

	// Clear buffers
	const glw::Functions& gl = m_context.getRenderContext().getFunctions();
	gl.clearColor(0.f, 0.f, 0.f, 1.f);
	gl.clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);

	tcu::TestCase::IterateResult result = iterateResult;

	// Call implementation specific post-iterate routine (usually handles native events and swaps buffers)
	try
	{
		m_context.getRenderContext().postIterate();
	}
	catch (const std::exception& e)
	{
		m_testCtx.getLog() << e;
		m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Error in context post-iteration routine");
		return tcu::TestNode::STOP;
	}

	return result;
}

} // deqp