/*-------------------------------------------------------------------------
 * drawElements Quality Program OpenGL ES 2.0 Module
 * -------------------------------------------------
 *
 * Copyright 2014 The Android Open Source Project
 *
 * 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 Platform Information and Capability Tests.
 *//*--------------------------------------------------------------------*/

#include "tes2InfoTests.hpp"
#include "gluDefs.hpp"
#include "tcuTestLog.hpp"
#include "gluContextInfo.hpp"
#include "gluRenderContext.hpp"
#include "tcuRenderTarget.hpp"

#include "glwFunctions.hpp"
#include "glwEnums.hpp"

#include <string>
#include <vector>

using std::string;
using std::vector;

namespace deqp
{
namespace gles2
{

class QueryStringCase : public TestCase
{
public:
	QueryStringCase (Context& context, const char* name, const char* description, deUint32 query)
		: TestCase	(context, name, description)
		, m_query	(query)
	{
	}

	IterateResult iterate (void)
	{
		const glw::Functions&	gl		= m_context.getRenderContext().getFunctions();
		const char*				result	= (const char*)gl.getString(m_query);

		GLU_EXPECT_NO_ERROR(gl.getError(), "glGetString() failed");

		m_testCtx.getLog() << tcu::TestLog::Message << result << tcu::TestLog::EndMessage;
		m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");

		return STOP;
	}

private:
	deUint32 m_query;
};

class QueryExtensionsCase : public TestCase
{
public:
	QueryExtensionsCase (Context& context)
		: TestCase	(context, "extensions", "Supported Extensions")
	{
	}

	IterateResult iterate (void)
	{
		const vector<string> extensions = m_context.getContextInfo().getExtensions();

		for (vector<string>::const_iterator i = extensions.begin(); i != extensions.end(); i++)
			m_testCtx.getLog() << tcu::TestLog::Message << *i << tcu::TestLog::EndMessage;

		m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");

		return STOP;
	}
};

class RenderTargetInfoCase : public TestCase
{
public:
	RenderTargetInfoCase (Context& context)
		: TestCase	(context, "render_target", "Render Target Info")
	{
	}

	IterateResult iterate (void)
	{
		const tcu::RenderTarget&	rt		= m_context.getRenderTarget();
		const tcu::PixelFormat&		pf		= rt.getPixelFormat();

		m_testCtx.getLog()
			<< tcu::TestLog::Integer("RedBits",		"Red channel bits",		"", QP_KEY_TAG_NONE,	pf.redBits)
			<< tcu::TestLog::Integer("GreenBits",	"Green channel bits",	"",	QP_KEY_TAG_NONE,	pf.greenBits)
			<< tcu::TestLog::Integer("BlueBits",	"Blue channel bits",	"",	QP_KEY_TAG_NONE,	pf.blueBits)
			<< tcu::TestLog::Integer("AlphaBits",	"Alpha channel bits",	"",	QP_KEY_TAG_NONE,	pf.alphaBits)
			<< tcu::TestLog::Integer("DepthBits",	"Depth bits",			"",	QP_KEY_TAG_NONE,	rt.getDepthBits())
			<< tcu::TestLog::Integer("StencilBits",	"Stencil bits",			"",	QP_KEY_TAG_NONE,	rt.getStencilBits())
			<< tcu::TestLog::Integer("NumSamples",	"Number of samples",	"",	QP_KEY_TAG_NONE,	rt.getNumSamples())
			<< tcu::TestLog::Integer("Width",		"Width",				"",	QP_KEY_TAG_NONE,	rt.getWidth())
			<< tcu::TestLog::Integer("Height",		"Height",				"",	QP_KEY_TAG_NONE,	rt.getHeight());

		m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
		return STOP;
	}
};

InfoTests::InfoTests (Context& context)
	: TestCaseGroup(context, "info", "Platform information queries")
{
}

InfoTests::~InfoTests (void)
{
}

void InfoTests::init (void)
{
	addChild(new QueryStringCase(m_context, "vendor",					"Vendor String",					GL_VENDOR));
	addChild(new QueryStringCase(m_context, "renderer",					"Renderer String",					GL_RENDERER));
	addChild(new QueryStringCase(m_context, "version",					"Version String",					GL_VERSION));
	addChild(new QueryStringCase(m_context, "shading_language_version",	"Shading Language Version String",	GL_SHADING_LANGUAGE_VERSION));
	addChild(new QueryExtensionsCase(m_context));
	addChild(new RenderTargetInfoCase(m_context));
}

} // gles2
} // deqp