#ifndef _ESEXTCFRAGMENTSHADINGRATEATTACHMENTTESTS_HPP
#define _ESEXTCFRAGMENTSHADINGRATEATTACHMENTTESTS_HPP
/*-------------------------------------------------------------------------
 * OpenGL Conformance Test Suite
 * -----------------------------
 *
 * Copyright (c) 2022-2022 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
 */ /*-------------------------------------------------------------------*/

/*!
 * \file  esextcesextcFragmentShadingRateAttachment.hpp
 * \brief FragmentShadingRateEXT attachment related tests
 */ /*-------------------------------------------------------------------*/

#include "../esextcTestCaseBase.hpp"
#include "gluShaderUtil.hpp"
#include "tcuDefs.hpp"

#include <vector>

namespace glu
{
class ShaderProgram;
}

namespace glcts
{
class FragmentShadingRateAttachment : public TestCaseBase
{
public:
	enum class TestKind
	{
		Scissor	  = 0,
		MultiView = 1,
		Count,
	};

	struct TestcaseParam
	{
		TestKind testKind;
		bool	 attachmentShadingRate;
		bool	 multiShadingRate;
		deUint32 framebufferSize;
		deUint32 layerCount;
	};

	struct Box
	{
		bool in(deUint32 xIn, deUint32 yIn)
		{
			return (xIn >= x && xIn < (x + width) && yIn >= y && yIn < (y + height));
		}
		deUint32 x;
		deUint32 y;
		deUint32 width;
		deUint32 height;
	};

public:
	FragmentShadingRateAttachment(Context& context, const ExtParameters& extParams, const TestcaseParam& testcaseParam,
								  const char* name, const char* description);

	~FragmentShadingRateAttachment() override
	{
	}

	void		  init(void) override;
	void		  deinit(void) override;
	IterateResult iterate(void) override;

private:
	std::string genVS() const;
	std::string genFS() const;
	glw::GLenum translateCoordsToShadingRate(deUint32 srLayer, deUint32 srx, deUint32 sry) const;
	glw::GLenum translateDrawIDToShadingRate(deUint32 drawID) const;
	deUint32	drawIDToViewID(deUint32 drawID) const;

	void setupTest(void);

private:
	TestcaseParam			 m_tcParam;
	glu::ShaderProgram*		 m_program;
	glw::GLuint				 m_to_id;
	glw::GLuint				 m_sr_to_id;
	glw::GLuint				 m_fbo_id;
	glw::GLuint				 m_vbo_id;
	Box						 m_scissorBox;
	std::vector<glw::GLenum> m_availableShadingRates;
	glw::GLint				 m_srTexelWidth;
	glw::GLint				 m_srTexelHeight;
};

} // namespace glcts

#endif // _ESEXTCFRAGMENTSHADINGRATEATTACHMENTTESTS_HPP