#ifndef _GLSSHADERPERFORMANCECASE_HPP
#define _GLSSHADERPERFORMANCECASE_HPP
/*-------------------------------------------------------------------------
 * drawElements Quality Program OpenGL (ES) 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 Single-program test case wrapper for ShaderPerformanceMeasurer.
 *//*--------------------------------------------------------------------*/

#include "tcuDefs.hpp"
#include "tcuTestCase.hpp"
#include "gluRenderContext.hpp"
#include "gluShaderProgram.hpp"
#include "glsShaderPerformanceMeasurer.hpp"
#include "deSharedPtr.hpp"

namespace deqp
{
namespace gls
{

class ShaderPerformanceCase : public tcu::TestCase
{
public:
	struct InitialCalibration
	{
		int initialNumCalls;
		InitialCalibration (void) : initialNumCalls(1) {}
	};

										ShaderPerformanceCase				(tcu::TestContext& testCtx, glu::RenderContext& renderCtx, const char* name, const char* description, PerfCaseType caseType);
										~ShaderPerformanceCase				(void);

	void								setCalibrationInitialParamStorage	(const de::SharedPtr<InitialCalibration>& storage) { m_initialCalibration = storage; }

	void								init								(void);
	void								deinit								(void);

	IterateResult						iterate								(void);

protected:
	virtual void						setupProgram						(deUint32 program);
	virtual void						setupRenderState					(void);

	void								setGridSize							(int gridW, int gridH);
	void								setViewportSize						(int width, int height);
	void								setVertexFragmentRatio				(float fragmentsPerVertices);

	int									getGridWidth						(void) const { return m_measurer.getGridWidth();		}
	int									getGridHeight						(void) const { return m_measurer.getGridHeight();		}
	int									getViewportWidth					(void) const { return m_measurer.getViewportWidth();	}
	int									getViewportHeight					(void) const { return m_measurer.getViewportHeight();	}

	virtual void						reportResult						(float mvertPerSecond, float mfragPerSecond);

	glu::RenderContext&					m_renderCtx;

	PerfCaseType						m_caseType;

	std::string							m_vertShaderSource;
	std::string							m_fragShaderSource;
	std::vector<AttribSpec>				m_attributes;

private:
	glu::ShaderProgram*					m_program;
	ShaderPerformanceMeasurer			m_measurer;

	de::SharedPtr<InitialCalibration>	m_initialCalibration;
};

class ShaderPerformanceCaseGroup : public tcu::TestCaseGroup
{
public:
																ShaderPerformanceCaseGroup	(tcu::TestContext& testCtx, const char* name, const char* description);
	void														addChild					(ShaderPerformanceCase*);

private:
	de::SharedPtr<ShaderPerformanceCase::InitialCalibration>	m_initialCalibrationStorage;
};

} // gls
} // deqp

#endif // _GLSSHADERPERFORMANCECASE_HPP