/*-------------------------------------------------------------------------
 * drawElements Quality Program OpenGL (ES) Module
 * -----------------------------------------------
 *
 * Copyright 2015 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 Texture State Query tests.
 *//*--------------------------------------------------------------------*/

#include "glsTextureStateQueryTests.hpp"
#include "gluStrUtil.hpp"
#include "gluObjectWrapper.hpp"
#include "gluCallLogWrapper.hpp"
#include "gluContextInfo.hpp"
#include "gluTextureUtil.hpp"
#include "glwEnums.hpp"
#include "deUniquePtr.hpp"
#include "deRandom.hpp"
#include "deStringUtil.hpp"

namespace deqp
{
namespace gls
{
namespace TextureStateQueryTests
{
namespace
{

using namespace glw;
using namespace gls::StateQueryUtil;

static glw::GLenum mapTesterToPname (TesterType tester)
{

#define CASE_ALL_SETTERS(X) case X: case X ## _SET_PURE_INT: case X ## _SET_PURE_UINT

	switch (tester)
	{
		CASE_ALL_SETTERS(TESTER_TEXTURE_SWIZZLE_R):				return GL_TEXTURE_SWIZZLE_R;
		CASE_ALL_SETTERS(TESTER_TEXTURE_SWIZZLE_G):				return GL_TEXTURE_SWIZZLE_G;
		CASE_ALL_SETTERS(TESTER_TEXTURE_SWIZZLE_B):				return GL_TEXTURE_SWIZZLE_B;
		CASE_ALL_SETTERS(TESTER_TEXTURE_SWIZZLE_A):				return GL_TEXTURE_SWIZZLE_A;

		CASE_ALL_SETTERS(TESTER_TEXTURE_WRAP_S):
		case TESTER_TEXTURE_WRAP_S_CLAMP_TO_BORDER:				return GL_TEXTURE_WRAP_S;

		CASE_ALL_SETTERS(TESTER_TEXTURE_WRAP_T):
		case TESTER_TEXTURE_WRAP_T_CLAMP_TO_BORDER:				return GL_TEXTURE_WRAP_T;

		CASE_ALL_SETTERS(TESTER_TEXTURE_WRAP_R):
		case TESTER_TEXTURE_WRAP_R_CLAMP_TO_BORDER:				return GL_TEXTURE_WRAP_R;

		CASE_ALL_SETTERS(TESTER_TEXTURE_MAG_FILTER):			return GL_TEXTURE_MAG_FILTER;
		CASE_ALL_SETTERS(TESTER_TEXTURE_MIN_FILTER):			return GL_TEXTURE_MIN_FILTER;
		CASE_ALL_SETTERS(TESTER_TEXTURE_MIN_LOD):				return GL_TEXTURE_MIN_LOD;
		CASE_ALL_SETTERS(TESTER_TEXTURE_MAX_LOD):				return GL_TEXTURE_MAX_LOD;
		CASE_ALL_SETTERS(TESTER_TEXTURE_BASE_LEVEL):			return GL_TEXTURE_BASE_LEVEL;
		CASE_ALL_SETTERS(TESTER_TEXTURE_MAX_LEVEL):				return GL_TEXTURE_MAX_LEVEL;
		CASE_ALL_SETTERS(TESTER_TEXTURE_COMPARE_MODE):			return GL_TEXTURE_COMPARE_MODE;
		CASE_ALL_SETTERS(TESTER_TEXTURE_COMPARE_FUNC):			return GL_TEXTURE_COMPARE_FUNC;
		case TESTER_TEXTURE_IMMUTABLE_LEVELS:					return GL_TEXTURE_IMMUTABLE_LEVELS;
		case TESTER_TEXTURE_IMMUTABLE_FORMAT:					return GL_TEXTURE_IMMUTABLE_FORMAT;
		CASE_ALL_SETTERS(TESTER_DEPTH_STENCIL_TEXTURE_MODE):	return GL_DEPTH_STENCIL_TEXTURE_MODE;
		CASE_ALL_SETTERS(TESTER_TEXTURE_SRGB_DECODE_EXT):		return GL_TEXTURE_SRGB_DECODE_EXT;
		case TESTER_TEXTURE_BORDER_COLOR:						return GL_TEXTURE_BORDER_COLOR;

		default:
			DE_ASSERT(false);
			return -1;
	}

#undef CASE_PURE_SETTERS
}

static bool querySupportsSigned (QueryType type)
{
	return	type != QUERY_TEXTURE_PARAM_PURE_UNSIGNED_INTEGER &&
			type != QUERY_SAMPLER_PARAM_PURE_UNSIGNED_INTEGER;
}

static bool isPureIntTester (TesterType tester)
{
#define HANDLE_ALL_SETTERS(X) \
		case X: \
		case X ## _SET_PURE_UINT: return false; \
		case X ## _SET_PURE_INT: return true;

	switch (tester)
	{
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_SWIZZLE_R)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_SWIZZLE_G)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_SWIZZLE_B)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_SWIZZLE_A)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_WRAP_S)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_WRAP_T)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_WRAP_R)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_MAG_FILTER)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_MIN_FILTER)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_MIN_LOD)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_MAX_LOD)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_BASE_LEVEL)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_MAX_LEVEL)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_COMPARE_MODE)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_COMPARE_FUNC)
		HANDLE_ALL_SETTERS(TESTER_DEPTH_STENCIL_TEXTURE_MODE)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_SRGB_DECODE_EXT)

		case TESTER_TEXTURE_IMMUTABLE_LEVELS:
		case TESTER_TEXTURE_IMMUTABLE_FORMAT:
		case TESTER_TEXTURE_WRAP_S_CLAMP_TO_BORDER:
		case TESTER_TEXTURE_WRAP_T_CLAMP_TO_BORDER:
		case TESTER_TEXTURE_WRAP_R_CLAMP_TO_BORDER:
		case TESTER_TEXTURE_BORDER_COLOR:
			return false;

		default:
			DE_ASSERT(false);
			return false;
	}

#undef HANDLE_ALL_SETTERS
}

static bool isPureUintTester (TesterType tester)
{
#define HANDLE_ALL_SETTERS(X) \
		case X: \
		case X ## _SET_PURE_INT: return false; \
		case X ## _SET_PURE_UINT: return true;

	switch (tester)
	{
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_SWIZZLE_R)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_SWIZZLE_G)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_SWIZZLE_B)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_SWIZZLE_A)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_WRAP_S)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_WRAP_T)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_WRAP_R)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_MAG_FILTER)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_MIN_FILTER)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_MIN_LOD)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_MAX_LOD)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_BASE_LEVEL)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_MAX_LEVEL)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_COMPARE_MODE)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_COMPARE_FUNC)
		HANDLE_ALL_SETTERS(TESTER_DEPTH_STENCIL_TEXTURE_MODE)
		HANDLE_ALL_SETTERS(TESTER_TEXTURE_SRGB_DECODE_EXT)

		case TESTER_TEXTURE_IMMUTABLE_LEVELS:
		case TESTER_TEXTURE_IMMUTABLE_FORMAT:
		case TESTER_TEXTURE_WRAP_S_CLAMP_TO_BORDER:
		case TESTER_TEXTURE_WRAP_T_CLAMP_TO_BORDER:
		case TESTER_TEXTURE_WRAP_R_CLAMP_TO_BORDER:
		case TESTER_TEXTURE_BORDER_COLOR:
			return false;

		default:
			DE_ASSERT(false);
			return false;
	}

#undef HANDLE_ALL_SETTERS
}

class RequiredExtensions
{
public:
								RequiredExtensions	(void)									{ }
	explicit					RequiredExtensions	(const char* ext)						{ add(ext);				}
								RequiredExtensions	(const char* extA, const char* extB)	{ add(extA); add(extB);	}

	void						add					(const char* ext);
	void						add					(const RequiredExtensions& other);
	void						check				(const glu::ContextInfo&) const;

private:
	std::vector<const char*>	m_extensions;
};

void RequiredExtensions::add (const char* ext)
{
	for (int ndx = 0; ndx < (int)m_extensions.size(); ++ndx)
		if (deStringEqual(m_extensions[ndx], ext) == DE_TRUE)
			return;
	m_extensions.push_back(ext);
}

void RequiredExtensions::add (const RequiredExtensions& other)
{
	for (int ndx = 0; ndx < (int)other.m_extensions.size(); ++ndx)
		add(other.m_extensions[ndx]);
}

void RequiredExtensions::check (const glu::ContextInfo& ctxInfo) const
{
	std::vector<const char*> failedExtensions;

	for (int ndx = 0; ndx < (int)m_extensions.size(); ++ndx)
		if (!ctxInfo.isExtensionSupported(m_extensions[ndx]))
			failedExtensions.push_back(m_extensions[ndx]);

	if (!failedExtensions.empty())
	{
		std::ostringstream buf;
		buf << "Test requires extension: ";

		for (int ndx = 0; ndx < (int)failedExtensions.size(); ++ndx)
		{
			if (ndx)
				buf << ", ";
			buf << failedExtensions[ndx];
		}

		throw tcu::NotSupportedError(buf.str());
	}
}

namespace es30
{

static bool isCoreTextureTarget (glw::GLenum target)
{
	return	target == GL_TEXTURE_2D			||
			target == GL_TEXTURE_3D			||
			target == GL_TEXTURE_2D_ARRAY	||
			target == GL_TEXTURE_CUBE_MAP;
}

static RequiredExtensions getTextureTargetExtension (glw::GLenum target)
{
	DE_UNREF(target);
	DE_ASSERT(false);
	return RequiredExtensions();
}

static bool isCoreTextureParam (glw::GLenum pname)
{
	return	pname == GL_TEXTURE_BASE_LEVEL			||
			pname == GL_TEXTURE_COMPARE_MODE		||
			pname == GL_TEXTURE_COMPARE_FUNC		||
			pname == GL_TEXTURE_MAG_FILTER			||
			pname == GL_TEXTURE_MAX_LEVEL			||
			pname == GL_TEXTURE_MAX_LOD				||
			pname == GL_TEXTURE_MIN_FILTER			||
			pname == GL_TEXTURE_MIN_LOD				||
			pname == GL_TEXTURE_SWIZZLE_R			||
			pname == GL_TEXTURE_SWIZZLE_G			||
			pname == GL_TEXTURE_SWIZZLE_B			||
			pname == GL_TEXTURE_SWIZZLE_A			||
			pname == GL_TEXTURE_WRAP_S				||
			pname == GL_TEXTURE_WRAP_T				||
			pname == GL_TEXTURE_WRAP_R				||
			pname == GL_TEXTURE_IMMUTABLE_FORMAT	||
			pname == GL_TEXTURE_IMMUTABLE_LEVELS;
}

static RequiredExtensions getTextureParamExtension (glw::GLenum pname)
{
	DE_UNREF(pname);
	DE_ASSERT(false);
	return RequiredExtensions();
}

static bool isCoreQuery (QueryType query)
{
	return	query == QUERY_TEXTURE_PARAM_INTEGER		||
			query == QUERY_TEXTURE_PARAM_FLOAT			||
			query == QUERY_TEXTURE_PARAM_INTEGER_VEC4	||
			query == QUERY_TEXTURE_PARAM_FLOAT_VEC4		||
			query == QUERY_SAMPLER_PARAM_INTEGER		||
			query == QUERY_SAMPLER_PARAM_FLOAT			||
			query == QUERY_SAMPLER_PARAM_INTEGER_VEC4	||
			query == QUERY_SAMPLER_PARAM_FLOAT_VEC4;
}

static RequiredExtensions getQueryExtension (QueryType query)
{
	DE_UNREF(query);
	DE_ASSERT(false);
	return RequiredExtensions();
}

static bool isCoreTester (TesterType tester)
{
	return	tester == TESTER_TEXTURE_SWIZZLE_R			||
			tester == TESTER_TEXTURE_SWIZZLE_G			||
			tester == TESTER_TEXTURE_SWIZZLE_B			||
			tester == TESTER_TEXTURE_SWIZZLE_A			||
			tester == TESTER_TEXTURE_WRAP_S				||
			tester == TESTER_TEXTURE_WRAP_T				||
			tester == TESTER_TEXTURE_WRAP_R				||
			tester == TESTER_TEXTURE_MAG_FILTER			||
			tester == TESTER_TEXTURE_MIN_FILTER			||
			tester == TESTER_TEXTURE_MIN_LOD			||
			tester == TESTER_TEXTURE_MAX_LOD			||
			tester == TESTER_TEXTURE_BASE_LEVEL			||
			tester == TESTER_TEXTURE_MAX_LEVEL			||
			tester == TESTER_TEXTURE_COMPARE_MODE		||
			tester == TESTER_TEXTURE_COMPARE_FUNC		||
			tester == TESTER_TEXTURE_IMMUTABLE_LEVELS	||
			tester == TESTER_TEXTURE_IMMUTABLE_FORMAT;
}

static RequiredExtensions getTesterExtension (TesterType tester)
{
	DE_UNREF(tester);
	DE_ASSERT(false);
	return RequiredExtensions();
}

} // es30

namespace es31
{

static bool isCoreTextureTarget (glw::GLenum target)
{
	return	es30::isCoreTextureTarget(target) ||
			target == GL_TEXTURE_2D_MULTISAMPLE;
}

static RequiredExtensions getTextureTargetExtension (glw::GLenum target)
{
	switch (target)
	{
		case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:	return RequiredExtensions("GL_OES_texture_storage_multisample_2d_array");
		case GL_TEXTURE_BUFFER:					return RequiredExtensions("GL_EXT_texture_buffer");
		case GL_TEXTURE_CUBE_MAP_ARRAY:			return RequiredExtensions("GL_EXT_texture_cube_map_array");
		default:
			DE_ASSERT(false);
			return RequiredExtensions();
	}
}

static bool isCoreTextureParam (glw::GLenum pname)
{
	return	es30::isCoreTextureParam(pname) ||
			pname == GL_DEPTH_STENCIL_TEXTURE_MODE;
}

static RequiredExtensions getTextureParamExtension (glw::GLenum pname)
{
	switch (pname)
	{
		case GL_TEXTURE_SRGB_DECODE_EXT:	return RequiredExtensions("GL_EXT_texture_sRGB_decode");
		case GL_TEXTURE_BORDER_COLOR:		return RequiredExtensions("GL_EXT_texture_border_clamp");
		default:
			DE_ASSERT(false);
			return RequiredExtensions();
	}
}

static bool isCoreQuery (QueryType query)
{
	return es30::isCoreQuery(query);
}

static RequiredExtensions getQueryExtension (QueryType query)
{
	switch (query)
	{
		case QUERY_TEXTURE_PARAM_PURE_INTEGER:
		case QUERY_TEXTURE_PARAM_PURE_UNSIGNED_INTEGER:
		case QUERY_TEXTURE_PARAM_PURE_INTEGER_VEC4:
		case QUERY_TEXTURE_PARAM_PURE_UNSIGNED_INTEGER_VEC4:
		case QUERY_SAMPLER_PARAM_PURE_INTEGER:
		case QUERY_SAMPLER_PARAM_PURE_UNSIGNED_INTEGER:
		case QUERY_SAMPLER_PARAM_PURE_INTEGER_VEC4:
		case QUERY_SAMPLER_PARAM_PURE_UNSIGNED_INTEGER_VEC4:
			return RequiredExtensions("GL_EXT_texture_border_clamp");

		default:
			DE_ASSERT(false);
			return RequiredExtensions();
	}
}

static bool isCoreTester (TesterType tester)
{
	return	es30::isCoreTester(tester)							||
			tester == TESTER_DEPTH_STENCIL_TEXTURE_MODE;
}

static RequiredExtensions getTesterExtension (TesterType tester)
{
#define CASE_PURE_SETTERS(X) case X ## _SET_PURE_INT: case X ## _SET_PURE_UINT

	switch (tester)
	{
		CASE_PURE_SETTERS(TESTER_TEXTURE_SWIZZLE_R):
		CASE_PURE_SETTERS(TESTER_TEXTURE_SWIZZLE_G):
		CASE_PURE_SETTERS(TESTER_TEXTURE_SWIZZLE_B):
		CASE_PURE_SETTERS(TESTER_TEXTURE_SWIZZLE_A):
		CASE_PURE_SETTERS(TESTER_TEXTURE_WRAP_S):
		CASE_PURE_SETTERS(TESTER_TEXTURE_WRAP_T):
		CASE_PURE_SETTERS(TESTER_TEXTURE_WRAP_R):
		CASE_PURE_SETTERS(TESTER_TEXTURE_MAG_FILTER):
		CASE_PURE_SETTERS(TESTER_TEXTURE_MIN_FILTER):
		CASE_PURE_SETTERS(TESTER_TEXTURE_MIN_LOD):
		CASE_PURE_SETTERS(TESTER_TEXTURE_MAX_LOD):
		CASE_PURE_SETTERS(TESTER_TEXTURE_BASE_LEVEL):
		CASE_PURE_SETTERS(TESTER_TEXTURE_MAX_LEVEL):
		CASE_PURE_SETTERS(TESTER_TEXTURE_COMPARE_MODE):
		CASE_PURE_SETTERS(TESTER_TEXTURE_COMPARE_FUNC):
		CASE_PURE_SETTERS(TESTER_DEPTH_STENCIL_TEXTURE_MODE):
		case TESTER_TEXTURE_WRAP_S_CLAMP_TO_BORDER:
		case TESTER_TEXTURE_WRAP_T_CLAMP_TO_BORDER:
		case TESTER_TEXTURE_WRAP_R_CLAMP_TO_BORDER:
		case TESTER_TEXTURE_BORDER_COLOR:
			return RequiredExtensions("GL_EXT_texture_border_clamp");

		case TESTER_TEXTURE_SRGB_DECODE_EXT:
			return RequiredExtensions("GL_EXT_texture_sRGB_decode");

		CASE_PURE_SETTERS(TESTER_TEXTURE_SRGB_DECODE_EXT):
			return RequiredExtensions("GL_EXT_texture_sRGB_decode", "GL_EXT_texture_border_clamp");

		default:
			DE_ASSERT(false);
			return RequiredExtensions();
	}

#undef CASE_PURE_SETTERS
}

} // es31

static bool isCoreTextureTarget (const glu::ContextType& contextType, glw::GLenum target)
{
	if (contextSupports(contextType, glu::ApiType::es(3,1)))
		return es31::isCoreTextureTarget(target);
	else if (contextSupports(contextType, glu::ApiType::es(3,0)))
		return es30::isCoreTextureTarget(target);
	else
	{
		DE_ASSERT(false);
		return DE_NULL;
	}
}

static bool isCoreTextureParam (const glu::ContextType& contextType, glw::GLenum pname)
{
	if (contextSupports(contextType, glu::ApiType::es(3,1)))
		return es31::isCoreTextureParam(pname);
	else if (contextSupports(contextType, glu::ApiType::es(3,0)))
		return es30::isCoreTextureParam(pname);
	else
	{
		DE_ASSERT(false);
		return DE_NULL;
	}
}

static bool isCoreQuery (const glu::ContextType& contextType, QueryType query)
{
	if (contextSupports(contextType, glu::ApiType::es(3,1)))
		return es31::isCoreQuery(query);
	else if (contextSupports(contextType, glu::ApiType::es(3,0)))
		return es30::isCoreQuery(query);
	else
	{
		DE_ASSERT(false);
		return DE_NULL;
	}
}

static bool isCoreTester (const glu::ContextType& contextType, TesterType tester)
{
	if (contextSupports(contextType, glu::ApiType::es(3,1)))
		return es31::isCoreTester(tester);
	else if (contextSupports(contextType, glu::ApiType::es(3,0)))
		return es30::isCoreTester(tester);
	else
	{
		DE_ASSERT(false);
		return DE_NULL;
	}
}

static RequiredExtensions getTextureTargetExtension (const glu::ContextType& contextType, glw::GLenum target)
{
	DE_ASSERT(!isCoreTextureTarget(contextType, target));

	if (contextSupports(contextType, glu::ApiType::es(3,1)))
		return es31::getTextureTargetExtension(target);
	else if (contextSupports(contextType, glu::ApiType::es(3,0)))
		return es30::getTextureTargetExtension(target);
	else
	{
		DE_ASSERT(false);
		return RequiredExtensions();
	}
}

static RequiredExtensions getTextureParamExtension (const glu::ContextType& contextType, glw::GLenum pname)
{
	DE_ASSERT(!isCoreTextureParam(contextType, pname));

	if (contextSupports(contextType, glu::ApiType::es(3,1)))
		return es31::getTextureParamExtension(pname);
	else if (contextSupports(contextType, glu::ApiType::es(3,0)))
		return es30::getTextureParamExtension(pname);
	else
	{
		DE_ASSERT(false);
		return RequiredExtensions();
	}
}

static RequiredExtensions getQueryExtension (const glu::ContextType& contextType, QueryType query)
{
	DE_ASSERT(!isCoreQuery(contextType, query));

	if (contextSupports(contextType, glu::ApiType::es(3,1)))
		return es31::getQueryExtension(query);
	else if (contextSupports(contextType, glu::ApiType::es(3,0)))
		return es30::getQueryExtension(query);
	else
	{
		DE_ASSERT(false);
		return RequiredExtensions();
	}
}

static RequiredExtensions getTesterExtension (const glu::ContextType& contextType, TesterType tester)
{
	DE_ASSERT(!isCoreTester(contextType, tester));

	if (contextSupports(contextType, glu::ApiType::es(3,1)))
		return es31::getTesterExtension(tester);
	else if (contextSupports(contextType, glu::ApiType::es(3,0)))
		return es30::getTesterExtension(tester);
	else
	{
		DE_ASSERT(false);
		return RequiredExtensions();
	}
}

class TextureTest : public tcu::TestCase
{
public:
						TextureTest	(tcu::TestContext&			testCtx,
									 const glu::RenderContext&	renderCtx,
									 const char*				name,
									 const char*				desc,
									 glw::GLenum				target,
									 TesterType					tester,
									 QueryType					type);

	void				init		(void);
	IterateResult		iterate		(void);

	virtual void		test		(glu::CallLogWrapper& gl, tcu::ResultCollector& result) const = 0;

protected:
	const glu::RenderContext&	m_renderCtx;
	const glw::GLenum			m_target;
	const glw::GLenum			m_pname;
	const TesterType			m_tester;
	const QueryType				m_type;
};

TextureTest::TextureTest (tcu::TestContext&			testCtx,
						  const glu::RenderContext&	renderCtx,
						  const char*				name,
						  const char*				desc,
						  glw::GLenum				target,
						  TesterType				tester,
						  QueryType					type)
	: TestCase		(testCtx, name, desc)
	, m_renderCtx	(renderCtx)
	, m_target		(target)
	, m_pname		(mapTesterToPname(tester))
	, m_tester		(tester)
	, m_type		(type)
{
}

void TextureTest::init (void)
{
	const de::UniquePtr<glu::ContextInfo>	ctxInfo		(glu::ContextInfo::create(m_renderCtx));
	RequiredExtensions						extensions;

	// target
	if (!isCoreTextureTarget(m_renderCtx.getType(), m_target))
		extensions.add(getTextureTargetExtension(m_renderCtx.getType(), m_target));

	// param
	if (!isCoreTextureParam(m_renderCtx.getType(), m_pname))
		extensions.add(getTextureParamExtension(m_renderCtx.getType(), m_pname));

	// query
	if (!isCoreQuery(m_renderCtx.getType(), m_type))
		extensions.add(getQueryExtension(m_renderCtx.getType(), m_type));

	// test type
	if (!isCoreTester(m_renderCtx.getType(), m_tester))
		extensions.add(getTesterExtension(m_renderCtx.getType(), m_tester));

	extensions.check(*ctxInfo);
}

TextureTest::IterateResult TextureTest::iterate (void)
{
	glu::CallLogWrapper		gl		(m_renderCtx.getFunctions(), m_testCtx.getLog());
	tcu::ResultCollector	result	(m_testCtx.getLog(), " // ERROR: ");

	gl.enableLogging(true);
	test(gl, result);

	result.setTestContextResult(m_testCtx);
	return STOP;
}

class IsTextureCase : public tcu::TestCase
{
public:
								IsTextureCase	(tcu::TestContext& testCtx, const glu::RenderContext& renderCtx, const char* name, const char* desc, glw::GLenum target);

	void						init			(void);
	IterateResult				iterate			(void);

protected:
	const glu::RenderContext&	m_renderCtx;
	const glw::GLenum			m_target;
};

IsTextureCase::IsTextureCase (tcu::TestContext& testCtx, const glu::RenderContext& renderCtx, const char* name, const char* desc, glw::GLenum target)
	: tcu::TestCase	(testCtx, name, desc)
	, m_renderCtx	(renderCtx)
	, m_target		(target)
{
}

void IsTextureCase::init (void)
{
	const de::UniquePtr<glu::ContextInfo>	ctxInfo		(glu::ContextInfo::create(m_renderCtx));
	RequiredExtensions						extensions;

	// target
	if (!isCoreTextureTarget(m_renderCtx.getType(), m_target))
		extensions.add(getTextureTargetExtension(m_renderCtx.getType(), m_target));

	extensions.check(*ctxInfo);
}

IsTextureCase::IterateResult IsTextureCase::iterate (void)
{
	glu::CallLogWrapper		gl			(m_renderCtx.getFunctions(), m_testCtx.getLog());
	tcu::ResultCollector	result		(m_testCtx.getLog(), " // ERROR: ");
	glw::GLuint				textureId	= 0;

	gl.enableLogging(true);

	gl.glGenTextures(1, &textureId);
	gl.glBindTexture(m_target, textureId);
	GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glBindTexture");

	verifyStateObjectBoolean(result, gl, textureId, true, QUERY_ISTEXTURE);

	gl.glDeleteTextures(1, &textureId);
	GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glDeleteTextures");

	verifyStateObjectBoolean(result, gl, textureId, false, QUERY_ISTEXTURE);

	result.setTestContextResult(m_testCtx);
	return STOP;
}

class DepthStencilModeCase : public TextureTest
{
public:
			DepthStencilModeCase	(tcu::TestContext& testCtx, const glu::RenderContext& renderContext, const char* name, const char* desc, glw::GLenum target, TesterType tester, QueryType type);
	void	test					(glu::CallLogWrapper& gl, tcu::ResultCollector& result) const;
};

DepthStencilModeCase::DepthStencilModeCase (tcu::TestContext& testCtx, const glu::RenderContext& renderCtx, const char* name, const char* desc, glw::GLenum target, TesterType tester, QueryType type)
	: TextureTest(testCtx, renderCtx, name, desc, target, tester, type)
{
}

void DepthStencilModeCase::test (glu::CallLogWrapper& gl, tcu::ResultCollector& result) const
{
	const bool		isPureCase	= isPureIntTester(m_tester) || isPureUintTester(m_tester);
	glu::Texture	texture		(m_renderCtx);

	gl.glBindTexture(m_target, *texture);
	GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "bind");

	if (!isPureCase)
	{
		const tcu::ScopedLogSection section(m_testCtx.getLog(), "Initial", "Initial");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, GL_DEPTH_COMPONENT, m_type);
	}

	if (!isPureCase)
	{
		const tcu::ScopedLogSection	section				(m_testCtx.getLog(), "Toggle", "Toggle");
		const glw::GLint			depthComponentInt	= GL_DEPTH_COMPONENT;
		const glw::GLfloat			depthComponentFloat	= (glw::GLfloat)GL_DEPTH_COMPONENT;

		gl.glTexParameteri(m_target, m_pname, GL_STENCIL_INDEX);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "set state");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, GL_STENCIL_INDEX, m_type);

		gl.glTexParameteriv(m_target, m_pname, &depthComponentInt);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "set state");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, GL_DEPTH_COMPONENT, m_type);

		gl.glTexParameterf(m_target, m_pname, GL_STENCIL_INDEX);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "set state");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, GL_STENCIL_INDEX, m_type);

		gl.glTexParameterfv(m_target, m_pname, &depthComponentFloat);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "set state");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, GL_DEPTH_COMPONENT, m_type);
	}

	if (isPureIntTester(m_tester))
	{
		const glw::GLint depthComponent	= GL_DEPTH_COMPONENT;
		const glw::GLint stencilIndex	= GL_STENCIL_INDEX;

		gl.glTexParameterIiv(m_target, m_pname, &stencilIndex);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterIiv");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, GL_STENCIL_INDEX, m_type);

		gl.glTexParameterIiv(m_target, m_pname, &depthComponent);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterIiv");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, GL_DEPTH_COMPONENT, m_type);
	}

	if (isPureUintTester(m_tester))
	{
		const glw::GLuint depthComponent	= GL_DEPTH_COMPONENT;
		const glw::GLuint stencilIndex	= GL_STENCIL_INDEX;

		gl.glTexParameterIuiv(m_target, m_pname, &stencilIndex);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterIuiv");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, GL_STENCIL_INDEX, m_type);

		gl.glTexParameterIuiv(m_target, m_pname, &depthComponent);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterIuiv");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, GL_DEPTH_COMPONENT, m_type);
	}
}

class TextureSRGBDecodeCase : public TextureTest
{
public:
			TextureSRGBDecodeCase	(tcu::TestContext& testCtx, const glu::RenderContext& renderContext, const char* name, const char* desc, glw::GLenum target, TesterType tester, QueryType type);
	void	test					(glu::CallLogWrapper& gl, tcu::ResultCollector& result) const;
};

TextureSRGBDecodeCase::TextureSRGBDecodeCase (tcu::TestContext& testCtx, const glu::RenderContext& renderCtx, const char* name, const char* desc, glw::GLenum target, TesterType tester, QueryType type)
	: TextureTest(testCtx, renderCtx, name, desc, target, tester, type)
{
}

void TextureSRGBDecodeCase::test (glu::CallLogWrapper& gl, tcu::ResultCollector& result) const
{
	const bool		isPureCase	= isPureIntTester(m_tester) || isPureUintTester(m_tester);
	glu::Texture	texture		(m_renderCtx);

	gl.glBindTexture(m_target, *texture);
	GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "bind");

	if (!isPureCase)
	{
		const tcu::ScopedLogSection section(m_testCtx.getLog(), "Initial", "Initial");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, GL_DECODE_EXT, m_type);
	}

	if (!isPureCase)
	{
		const tcu::ScopedLogSection	section			(m_testCtx.getLog(), "Toggle", "Toggle");
		const glw::GLint			decodeInt		= GL_DECODE_EXT;
		const glw::GLfloat			decodeFloat		= (glw::GLfloat)GL_DECODE_EXT;

		gl.glTexParameteri(m_target, m_pname, GL_SKIP_DECODE_EXT);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "set state");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, GL_SKIP_DECODE_EXT, m_type);

		gl.glTexParameteriv(m_target, m_pname, &decodeInt);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "set state");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, GL_DECODE_EXT, m_type);

		gl.glTexParameterf(m_target, m_pname, GL_SKIP_DECODE_EXT);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "set state");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, GL_SKIP_DECODE_EXT, m_type);

		gl.glTexParameterfv(m_target, m_pname, &decodeFloat);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "set state");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, GL_DECODE_EXT, m_type);
	}

	if (isPureIntTester(m_tester))
	{
		const glw::GLint skipDecode	= GL_SKIP_DECODE_EXT;
		const glw::GLint decode		= GL_DECODE_EXT;

		gl.glTexParameterIiv(m_target, m_pname, &skipDecode);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterIiv");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, GL_SKIP_DECODE_EXT, m_type);

		gl.glTexParameterIiv(m_target, m_pname, &decode);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterIiv");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, GL_DECODE_EXT, m_type);
	}

	if (isPureUintTester(m_tester))
	{
		const glw::GLuint skipDecode	= GL_SKIP_DECODE_EXT;
		const glw::GLuint decode		= GL_DECODE_EXT;

		gl.glTexParameterIuiv(m_target, m_pname, &skipDecode);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterIuiv");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, GL_SKIP_DECODE_EXT, m_type);

		gl.glTexParameterIuiv(m_target, m_pname, &decode);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterIuiv");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, GL_DECODE_EXT, m_type);
	}
}

class TextureSwizzleCase : public TextureTest
{
public:
			TextureSwizzleCase	(tcu::TestContext& testCtx, const glu::RenderContext& renderContext, const char* name, const char* desc, glw::GLenum target, TesterType tester, QueryType type);
	void	test				(glu::CallLogWrapper& gl, tcu::ResultCollector& result) const;
};

TextureSwizzleCase::TextureSwizzleCase (tcu::TestContext& testCtx, const glu::RenderContext& renderCtx, const char* name, const char* desc, glw::GLenum target, TesterType tester, QueryType type)
	: TextureTest(testCtx, renderCtx, name, desc, target, tester, type)
{
}

void TextureSwizzleCase::test (glu::CallLogWrapper& gl, tcu::ResultCollector& result) const
{
	const bool	isPureCase		= isPureIntTester(m_tester) || isPureUintTester(m_tester);
	const int	initialValue	= (m_pname == GL_TEXTURE_SWIZZLE_R) ? (GL_RED) :
								  (m_pname == GL_TEXTURE_SWIZZLE_G) ? (GL_GREEN) :
								  (m_pname == GL_TEXTURE_SWIZZLE_B) ? (GL_BLUE) :
								  (m_pname == GL_TEXTURE_SWIZZLE_A) ? (GL_ALPHA) :
								  (-1);

	if (!isPureCase)
	{
		const tcu::ScopedLogSection section(m_testCtx.getLog(), "Initial", "Initial");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, initialValue, m_type);
	}

	{
		const tcu::ScopedLogSection	section			(m_testCtx.getLog(), "Set", "Set");
		const GLenum				swizzleValues[]	= {GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA, GL_ZERO, GL_ONE};

		if (isPureCase)
		{
			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(swizzleValues); ++ndx)
			{
				if (isPureIntTester(m_tester))
				{
					const glw::GLint value = (glw::GLint)swizzleValues[ndx];
					gl.glTexParameterIiv(m_target, m_pname, &value);
					GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterIiv");
				}
				else
				{
					DE_ASSERT(isPureUintTester(m_tester));

					const glw::GLuint value = swizzleValues[ndx];
					gl.glTexParameterIuiv(m_target, m_pname, &value);
					GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterIuiv");
				}

				verifyStateTextureParamInteger(result, gl, m_target, m_pname, swizzleValues[ndx], m_type);
			}
		}
		else
		{
			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(swizzleValues); ++ndx)
			{
				gl.glTexParameteri(m_target, m_pname, swizzleValues[ndx]);
				GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameteri");

				verifyStateTextureParamInteger(result, gl, m_target, m_pname, swizzleValues[ndx], m_type);
			}

			//check unit conversions with float

			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(swizzleValues); ++ndx)
			{
				gl.glTexParameterf(m_target, m_pname, (GLfloat)swizzleValues[ndx]);
				GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterf");

				verifyStateTextureParamInteger(result, gl, m_target, m_pname, swizzleValues[ndx], m_type);
			}
		}
	}
}

class TextureWrapCase : public TextureTest
{
public:
			TextureWrapCase	(tcu::TestContext& testCtx, const glu::RenderContext& renderContext, const char* name, const char* desc, glw::GLenum target, TesterType tester, QueryType type);
	void	test			(glu::CallLogWrapper& gl, tcu::ResultCollector& result) const;
};

TextureWrapCase::TextureWrapCase (tcu::TestContext& testCtx, const glu::RenderContext& renderCtx, const char* name, const char* desc, glw::GLenum target, TesterType tester, QueryType type)
	: TextureTest(testCtx, renderCtx, name, desc, target, tester, type)
{
}

void TextureWrapCase::test (glu::CallLogWrapper& gl, tcu::ResultCollector& result) const
{
	const bool isPureCase = isPureIntTester(m_tester) || isPureUintTester(m_tester);

	if (!isPureCase)
	{
		const tcu::ScopedLogSection section(m_testCtx.getLog(), "Initial", "Initial");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, GL_REPEAT, m_type);
	}

	{
		const tcu::ScopedLogSection	section			(m_testCtx.getLog(), "Set", "Set");
		const GLenum				wrapValues[]	= {GL_CLAMP_TO_EDGE, GL_REPEAT, GL_MIRRORED_REPEAT};

		if (isPureCase)
		{
			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(wrapValues); ++ndx)
			{
				if (isPureIntTester(m_tester))
				{
					const glw::GLint value = (glw::GLint)wrapValues[ndx];
					gl.glTexParameterIiv(m_target, m_pname, &value);
					GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterIiv");
				}
				else
				{
					DE_ASSERT(isPureUintTester(m_tester));

					const glw::GLuint value = wrapValues[ndx];
					gl.glTexParameterIuiv(m_target, m_pname, &value);
					GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterIuiv");
				}

				verifyStateTextureParamInteger(result, gl, m_target, m_pname, wrapValues[ndx], m_type);
			}
		}
		else
		{
			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(wrapValues); ++ndx)
			{
				gl.glTexParameteri(m_target, m_pname, wrapValues[ndx]);
				GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameteri");

				verifyStateTextureParamInteger(result, gl, m_target, m_pname, wrapValues[ndx], m_type);
			}

			//check unit conversions with float

			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(wrapValues); ++ndx)
			{
				gl.glTexParameterf(m_target, m_pname, (GLfloat)wrapValues[ndx]);
				GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterf");

				verifyStateTextureParamInteger(result, gl, m_target, m_pname, wrapValues[ndx], m_type);
			}
		}
	}
}

class TextureFilterCase : public TextureTest
{
public:
			TextureFilterCase	(tcu::TestContext& testCtx, const glu::RenderContext& renderContext, const char* name, const char* desc, glw::GLenum target, TesterType tester, QueryType type);
	void	test				(glu::CallLogWrapper& gl, tcu::ResultCollector& result) const;
};

TextureFilterCase::TextureFilterCase (tcu::TestContext& testCtx, const glu::RenderContext& renderCtx, const char* name, const char* desc, glw::GLenum target, TesterType tester, QueryType type)
	: TextureTest(testCtx, renderCtx, name, desc, target, tester, type)
{
}

void TextureFilterCase::test (glu::CallLogWrapper& gl, tcu::ResultCollector& result) const
{
	const bool			isPureCase	= isPureIntTester(m_tester) || isPureUintTester(m_tester);
	const glw::GLenum	initial		= (m_pname == GL_TEXTURE_MAG_FILTER) ? (GL_LINEAR)
									: (m_pname == GL_TEXTURE_MIN_FILTER) ? (GL_NEAREST_MIPMAP_LINEAR)
									: (0);

	if (!isPureCase)
	{
		const tcu::ScopedLogSection section(m_testCtx.getLog(), "Initial", "Initial");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, initial, m_type);
	}

	{
		const tcu::ScopedLogSection	section		(m_testCtx.getLog(), "Set", "Set");
		std::vector<GLenum>			values;

		values.push_back(GL_NEAREST);
		values.push_back(GL_LINEAR);
		if (m_pname == GL_TEXTURE_MIN_FILTER)
		{
			values.push_back(GL_NEAREST_MIPMAP_NEAREST);
			values.push_back(GL_NEAREST_MIPMAP_LINEAR);
			values.push_back(GL_LINEAR_MIPMAP_NEAREST);
			values.push_back(GL_LINEAR_MIPMAP_LINEAR);
		}

		if (isPureCase)
		{
			for (int ndx = 0; ndx < (int)values.size(); ++ndx)
			{
				if (isPureIntTester(m_tester))
				{
					const glw::GLint value = (glw::GLint)values[ndx];
					gl.glTexParameterIiv(m_target, m_pname, &value);
					GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterIiv");
				}
				else
				{
					DE_ASSERT(isPureUintTester(m_tester));

					const glw::GLuint value = values[ndx];
					gl.glTexParameterIuiv(m_target, m_pname, &value);
					GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterIuiv");
				}

				verifyStateTextureParamInteger(result, gl, m_target, m_pname, values[ndx], m_type);
			}
		}
		else
		{
			for (int ndx = 0; ndx < (int)values.size(); ++ndx)
			{
				gl.glTexParameteri(m_target, m_pname, values[ndx]);
				GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameteri");

				verifyStateTextureParamInteger(result, gl, m_target, m_pname, values[ndx], m_type);
			}

			//check unit conversions with float

			for (int ndx = 0; ndx < (int)values.size(); ++ndx)
			{
				gl.glTexParameterf(m_target, m_pname, (GLfloat)values[ndx]);
				GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterf");

				verifyStateTextureParamInteger(result, gl, m_target, m_pname, values[ndx], m_type);
			}
		}
	}
}

class TextureLODCase : public TextureTest
{
public:
			TextureLODCase	(tcu::TestContext& testCtx, const glu::RenderContext& renderContext, const char* name, const char* desc, glw::GLenum target, TesterType tester, QueryType type);
	void	test			(glu::CallLogWrapper& gl, tcu::ResultCollector& result) const;
};

TextureLODCase::TextureLODCase (tcu::TestContext& testCtx, const glu::RenderContext& renderCtx, const char* name, const char* desc, glw::GLenum target, TesterType tester, QueryType type)
	: TextureTest(testCtx, renderCtx, name, desc, target, tester, type)
{
}

void TextureLODCase::test (glu::CallLogWrapper& gl, tcu::ResultCollector& result) const
{
	const bool	isPureCase		= isPureIntTester(m_tester) || isPureUintTester(m_tester);
	const int	initialValue 	= (m_pname == GL_TEXTURE_MIN_LOD) ? (-1000)
								: (m_pname == GL_TEXTURE_MAX_LOD) ? (1000)
								: (-1);

	if ((querySupportsSigned(m_type) || initialValue >= 0) && !isPureCase)
	{
		const tcu::ScopedLogSection section(m_testCtx.getLog(), "Initial", "Initial");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, initialValue, m_type);
	}

	{
		const tcu::ScopedLogSection	section			(m_testCtx.getLog(), "Set", "Set");
		const int					numIterations	= 20;
		de::Random					rnd				(0xabcdef);

		if (isPureCase)
		{
			if (isPureIntTester(m_tester))
			{
				for (int ndx = 0; ndx < numIterations; ++ndx)
				{
					const GLint ref = rnd.getInt(-1000, 1000);

					gl.glTexParameterIiv(m_target, m_pname, &ref);
					GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterIiv");

					verifyStateTextureParamFloat(result, gl, m_target, m_pname, (float)ref, m_type);
				}
			}
			else
			{
				DE_ASSERT(isPureUintTester(m_tester));

				for (int ndx = 0; ndx < numIterations; ++ndx)
				{
					const GLuint ref = (glw::GLuint)rnd.getInt(0, 1000);

					gl.glTexParameterIuiv(m_target, m_pname, &ref);
					GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterIuiv");

					verifyStateTextureParamFloat(result, gl, m_target, m_pname, (float)ref, m_type);
				}
			}
		}
		else
		{
			const int minLimit = (querySupportsSigned(m_type)) ? (-1000) : (0);

			for (int ndx = 0; ndx < numIterations; ++ndx)
			{
				const GLfloat ref = rnd.getFloat((float)minLimit, 1000.f);

				gl.glTexParameterf(m_target, m_pname, ref);
				GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterf");

				verifyStateTextureParamFloat(result, gl, m_target, m_pname, ref, m_type);
			}

			// check unit conversions with int

			for (int ndx = 0; ndx < numIterations; ++ndx)
			{
				const GLint ref = rnd.getInt(minLimit, 1000);

				gl.glTexParameteri(m_target, m_pname, ref);
				GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameteri");

				verifyStateTextureParamFloat(result, gl, m_target, m_pname, (float)ref, m_type);
			}
		}
	}
}

class TextureLevelCase : public TextureTest
{
public:
			TextureLevelCase	(tcu::TestContext& testCtx, const glu::RenderContext& renderContext, const char* name, const char* desc, glw::GLenum target, TesterType tester, QueryType type);
	void	test				(glu::CallLogWrapper& gl, tcu::ResultCollector& result) const;
};

TextureLevelCase::TextureLevelCase (tcu::TestContext& testCtx, const glu::RenderContext& renderCtx, const char* name, const char* desc, glw::GLenum target, TesterType tester, QueryType type)
	: TextureTest(testCtx, renderCtx, name, desc, target, tester, type)
{
}

void TextureLevelCase::test (glu::CallLogWrapper& gl, tcu::ResultCollector& result) const
{
	const bool	isPureCase		= isPureIntTester(m_tester) || isPureUintTester(m_tester);
	const int	initialValue	= (m_pname == GL_TEXTURE_BASE_LEVEL) ? (0)
								: (m_pname == GL_TEXTURE_MAX_LEVEL)	? (1000)
								: (-1);

	if (!isPureCase)
	{
		const tcu::ScopedLogSection section(m_testCtx.getLog(), "Initial", "Initial");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, initialValue, m_type);
	}

	if (m_target == GL_TEXTURE_2D_MULTISAMPLE		||
		m_target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY)
	{
		// only 0 allowed
		{
			const tcu::ScopedLogSection section(m_testCtx.getLog(), "Set", "Set");

			gl.glTexParameteri(m_target, m_pname, 0);
			GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameteri");
			verifyStateTextureParamInteger(result, gl, m_target, m_pname, 0, m_type);

			gl.glTexParameterf(m_target, m_pname, 0.0f);
			GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterf");
			verifyStateTextureParamInteger(result, gl, m_target, m_pname, 0, m_type);
		}
	}
	else
	{
		const tcu::ScopedLogSection	section			(m_testCtx.getLog(), "Set", "Set");
		const int					numIterations	= 20;
		de::Random					rnd				(0xabcdef);

		if (isPureCase)
		{
			for (int ndx = 0; ndx < numIterations; ++ndx)
			{
				const GLint		ref		= rnd.getInt(0, 64000);
				const GLuint	uRef	= (glw::GLuint)ref;

				if (isPureIntTester(m_tester))
				{
					gl.glTexParameterIiv(m_target, m_pname, &ref);
					GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterIiv");
				}
				else
				{
					DE_ASSERT(isPureUintTester(m_tester));
					gl.glTexParameterIuiv(m_target, m_pname, &uRef);
					GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterIuiv");
				}

				verifyStateTextureParamInteger(result, gl, m_target, m_pname, ref, m_type);
			}
		}
		else
		{
			for (int ndx = 0; ndx < numIterations; ++ndx)
			{
				const GLint ref = rnd.getInt(0, 64000);

				gl.glTexParameteri(m_target, m_pname, ref);
				GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameteri");

				verifyStateTextureParamInteger(result, gl, m_target, m_pname, ref, m_type);
			}

			// check unit conversions with float

			const float nonSignificantOffsets[] = {-0.45f, -0.25f, 0, 0.45f}; // offsets O so that for any integers z in Z, o in O roundToClosestInt(z+o)==z

			const int numConversionIterations = 30;
			for (int ndx = 0; ndx < numConversionIterations; ++ndx)
			{
				const GLint ref = rnd.getInt(1, 64000);

				for (int offsetNdx = 0; offsetNdx < DE_LENGTH_OF_ARRAY(nonSignificantOffsets); ++offsetNdx)
				{
					gl.glTexParameterf(m_target, m_pname, ((GLfloat)ref) + nonSignificantOffsets[offsetNdx]);
					GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterf");

					verifyStateTextureParamInteger(result, gl, m_target, m_pname, ref, m_type);
				}
			}
		}
	}
}

class TextureCompareModeCase : public TextureTest
{
public:
			TextureCompareModeCase	(tcu::TestContext& testCtx, const glu::RenderContext& renderContext, const char* name, const char* desc, glw::GLenum target, TesterType tester, QueryType type);
	void	test					(glu::CallLogWrapper& gl, tcu::ResultCollector& result) const;
};

TextureCompareModeCase::TextureCompareModeCase (tcu::TestContext& testCtx, const glu::RenderContext& renderCtx, const char* name, const char* desc, glw::GLenum target, TesterType tester, QueryType type)
	: TextureTest(testCtx, renderCtx, name, desc, target, tester, type)
{
}

void TextureCompareModeCase::test (glu::CallLogWrapper& gl, tcu::ResultCollector& result) const
{
	const bool isPureCase = isPureIntTester(m_tester) || isPureUintTester(m_tester);

	if (!isPureCase)
	{
		const tcu::ScopedLogSection section(m_testCtx.getLog(), "Initial", "Initial");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, GL_NONE, m_type);
	}

	{
		const tcu::ScopedLogSection	section		(m_testCtx.getLog(), "Set", "Set");
		const GLenum				modes[]		= {GL_COMPARE_REF_TO_TEXTURE, GL_NONE};

		if (isPureCase)
		{
			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(modes); ++ndx)
			{
				if (isPureIntTester(m_tester))
				{
					const glw::GLint value = (glw::GLint)modes[ndx];
					gl.glTexParameterIiv(m_target, m_pname, &value);
					GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterIiv");
				}
				else
				{
					DE_ASSERT(isPureUintTester(m_tester));

					const glw::GLuint value = modes[ndx];
					gl.glTexParameterIuiv(m_target, m_pname, &value);
					GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterIuiv");
				}

				verifyStateTextureParamInteger(result, gl, m_target, m_pname, modes[ndx], m_type);
			}
		}
		else
		{
			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(modes); ++ndx)
			{
				gl.glTexParameteri(m_target, m_pname, modes[ndx]);
				GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameteri");

				verifyStateTextureParamInteger(result, gl, m_target, m_pname, modes[ndx], m_type);
			}

			//check unit conversions with float

			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(modes); ++ndx)
			{
				gl.glTexParameterf(m_target, m_pname, (GLfloat)modes[ndx]);
				GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterf");

				verifyStateTextureParamInteger(result, gl, m_target, m_pname, modes[ndx], m_type);
			}
		}
	}
}

class TextureCompareFuncCase : public TextureTest
{
public:
			TextureCompareFuncCase	(tcu::TestContext& testCtx, const glu::RenderContext& renderContext, const char* name, const char* desc, glw::GLenum target, TesterType tester, QueryType type);
	void	test					(glu::CallLogWrapper& gl, tcu::ResultCollector& result) const;
};

TextureCompareFuncCase::TextureCompareFuncCase (tcu::TestContext& testCtx, const glu::RenderContext& renderCtx, const char* name, const char* desc, glw::GLenum target, TesterType tester, QueryType type)
	: TextureTest(testCtx, renderCtx, name, desc, target, tester, type)
{
}

void TextureCompareFuncCase::test (glu::CallLogWrapper& gl, tcu::ResultCollector& result) const
{
	const bool isPureCase = isPureIntTester(m_tester) || isPureUintTester(m_tester);

	if (!isPureCase)
	{
		const tcu::ScopedLogSection section(m_testCtx.getLog(), "Initial", "Initial");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, GL_LEQUAL, m_type);
	}

	{
		const tcu::ScopedLogSection	section			(m_testCtx.getLog(), "Set", "Set");
		const GLenum				compareFuncs[]	= {GL_LEQUAL, GL_GEQUAL, GL_LESS, GL_GREATER, GL_EQUAL, GL_NOTEQUAL, GL_ALWAYS, GL_NEVER};

		if (isPureCase)
		{
			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(compareFuncs); ++ndx)
			{
				if (isPureIntTester(m_tester))
				{
					const glw::GLint value = (glw::GLint)compareFuncs[ndx];
					gl.glTexParameterIiv(m_target, m_pname, &value);
					GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterIiv");
				}
				else
				{
					DE_ASSERT(isPureUintTester(m_tester));

					const glw::GLuint value = compareFuncs[ndx];
					gl.glTexParameterIuiv(m_target, m_pname, &value);
					GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterIuiv");
				}

				verifyStateTextureParamInteger(result, gl, m_target, m_pname, compareFuncs[ndx], m_type);
			}
		}
		else
		{
			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(compareFuncs); ++ndx)
			{
				gl.glTexParameteri(m_target, m_pname, compareFuncs[ndx]);
				GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameteri");

				verifyStateTextureParamInteger(result, gl, m_target, m_pname, compareFuncs[ndx], m_type);
			}

			//check unit conversions with float

			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(compareFuncs); ++ndx)
			{
				gl.glTexParameterf(m_target, m_pname, (GLfloat)compareFuncs[ndx]);
				GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterf");

				verifyStateTextureParamInteger(result, gl, m_target, m_pname, compareFuncs[ndx], m_type);
			}
		}
	}
}

class TextureImmutableLevelsCase : public TextureTest
{
public:
			TextureImmutableLevelsCase	(tcu::TestContext& testCtx, const glu::RenderContext& renderContext, const char* name, const char* desc, glw::GLenum target, QueryType type);
	void	test						(glu::CallLogWrapper& gl, tcu::ResultCollector& result) const;
};

TextureImmutableLevelsCase::TextureImmutableLevelsCase (tcu::TestContext& testCtx, const glu::RenderContext& renderCtx, const char* name, const char* desc, glw::GLenum target, QueryType type)
	: TextureTest(testCtx, renderCtx, name, desc, target, TESTER_TEXTURE_IMMUTABLE_LEVELS, type)
{
}

void TextureImmutableLevelsCase::test (glu::CallLogWrapper& gl, tcu::ResultCollector& result) const
{
	{
		const tcu::ScopedLogSection section(m_testCtx.getLog(), "Initial", "Initial");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, 0, m_type);
	}

	if (m_target == GL_TEXTURE_2D_MULTISAMPLE		||
		m_target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY)
	{
		// no levels
		const tcu::ScopedLogSection	section		(m_testCtx.getLog(), "Level", "Level");
		GLuint						textureID	= 0;

		gl.glGenTextures(1, &textureID);
		gl.glBindTexture(m_target, textureID);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glBindTexture");

		if (m_target == GL_TEXTURE_2D_MULTISAMPLE)
			gl.glTexStorage2DMultisample(m_target, 2, GL_RGB8, 64, 64, GL_FALSE);
		else if (m_target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY)
			gl.glTexStorage3DMultisample(m_target, 2, GL_RGB8, 64, 64, 2, GL_FALSE);
		else
			DE_ASSERT(false);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexStorage");

		verifyStateTextureParamInteger(result, gl, m_target, m_pname, 1, m_type);

		gl.glDeleteTextures(1, &textureID);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glDeleteTextures");
	}
	else
	{
		for (int level = 1; level <= 7; ++level)
		{
			const tcu::ScopedLogSection	section		(m_testCtx.getLog(), "Levels", "Levels = " + de::toString(level));
			GLuint						textureID	= 0;

			gl.glGenTextures(1, &textureID);
			gl.glBindTexture(m_target, textureID);
			GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glBindTexture");

			if (m_target == GL_TEXTURE_2D || m_target == GL_TEXTURE_CUBE_MAP)
				gl.glTexStorage2D(m_target, level, GL_RGB8, 64, 64);
			else if (m_target == GL_TEXTURE_2D_ARRAY || m_target == GL_TEXTURE_3D)
				gl.glTexStorage3D(m_target, level, GL_RGB8, 64, 64, 64);
			else if (m_target == GL_TEXTURE_CUBE_MAP_ARRAY)
				gl.glTexStorage3D(m_target, level, GL_RGB8, 64, 64, 6 * 2);
			else
				DE_ASSERT(false);
			GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexStorage");

			verifyStateTextureParamInteger(result, gl, m_target, m_pname, level, m_type);

			gl.glDeleteTextures(1, &textureID);
			GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glDeleteTextures");
		}
	}
}

class TextureImmutableFormatCase : public TextureTest
{
public:
			TextureImmutableFormatCase	(tcu::TestContext& testCtx, const glu::RenderContext& renderContext, const char* name, const char* desc, glw::GLenum target, QueryType type);
	void	test						(glu::CallLogWrapper& gl, tcu::ResultCollector& result) const;
};

TextureImmutableFormatCase::TextureImmutableFormatCase (tcu::TestContext& testCtx, const glu::RenderContext& renderCtx, const char* name, const char* desc, glw::GLenum target, QueryType type)
	: TextureTest(testCtx, renderCtx, name, desc, target, TESTER_TEXTURE_IMMUTABLE_FORMAT, type)
{
}

void TextureImmutableFormatCase::test (glu::CallLogWrapper& gl, tcu::ResultCollector& result) const
{
	{
		const tcu::ScopedLogSection section(m_testCtx.getLog(), "Initial", "Initial");
		verifyStateTextureParamInteger(result, gl, m_target, m_pname, 0, m_type);
	}

	{
		const tcu::ScopedLogSection	subsection	(m_testCtx.getLog(), "Immutable", "Immutable");
		GLuint						textureID	= 0;

		gl.glGenTextures(1, &textureID);
		gl.glBindTexture(m_target, textureID);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glBindTexture");

		switch (m_target)
		{
			case GL_TEXTURE_2D:
			case GL_TEXTURE_CUBE_MAP:
			{
				gl.glTexStorage2D(m_target, 1, GL_RGBA8, 32, 32);
				break;
			}
			case GL_TEXTURE_2D_ARRAY:
			case GL_TEXTURE_3D:
			{
				gl.glTexStorage3D(m_target, 1, GL_RGBA8, 32, 32, 8);
				break;
			}
			case GL_TEXTURE_2D_MULTISAMPLE:
			{
				gl.glTexStorage2DMultisample(m_target, 2, GL_RGB8, 64, 64, GL_FALSE);
				break;
			}
			case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
			{
				gl.glTexStorage3DMultisample(m_target, 2, GL_RGB8, 64, 64, 2, GL_FALSE);
				break;
			}
			case GL_TEXTURE_CUBE_MAP_ARRAY:
			{
				gl.glTexStorage3D(m_target, 1, GL_RGBA8, 32, 32, 6 * 2);
				break;
			}
			default:
				DE_ASSERT(false);
		}
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "setup texture");

		verifyStateTextureParamInteger(result, gl, m_target, m_pname, 1, m_type);

		gl.glDeleteTextures(1, &textureID);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glDeleteTextures");
	}

	// no mutable
	if (m_target == GL_TEXTURE_2D_MULTISAMPLE ||
		m_target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY)
		return;

	// test mutable
	{
		const tcu::ScopedLogSection	subsection		(m_testCtx.getLog(), "Mutable", "Mutable");
		GLuint						textureID		= 0;

		gl.glGenTextures(1, &textureID);
		gl.glBindTexture(m_target, textureID);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glBindTexture");

		switch (m_target)
		{
			case GL_TEXTURE_2D:
			{
				gl.glTexImage2D(m_target, 0, GL_RGBA8, 32, 32, 0, GL_RGBA, GL_UNSIGNED_BYTE, DE_NULL);
				break;
			}
			case GL_TEXTURE_CUBE_MAP:
			{
				gl.glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, 0, GL_RGBA8, 32, 32, 0, GL_RGBA, GL_UNSIGNED_BYTE, DE_NULL);
				break;
			}
			case GL_TEXTURE_2D_ARRAY:
			case GL_TEXTURE_3D:
			{
				gl.glTexImage3D(m_target, 0, GL_RGBA8, 32, 32, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, DE_NULL);
				break;
			}
			case GL_TEXTURE_CUBE_MAP_ARRAY:
			{
				gl.glTexImage3D(m_target, 0, GL_RGBA8, 32, 32, 6 * 2, 0, GL_RGBA, GL_UNSIGNED_BYTE, DE_NULL);
				break;
			}
			default:
				DE_ASSERT(false);
		}
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "setup texture");

		verifyStateTextureParamInteger(result, gl, m_target, m_pname, 0, m_type);

		gl.glDeleteTextures(1, &textureID);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glDeleteTextures");
	}
}

class TextureWrapClampToBorderCase : public TextureTest
{
public:
			TextureWrapClampToBorderCase	(tcu::TestContext& testCtx, const glu::RenderContext& renderContext, const char* name, const char* desc, glw::GLenum target, TesterType tester, QueryType type);
	void	test							(glu::CallLogWrapper& gl, tcu::ResultCollector& result) const;
};

TextureWrapClampToBorderCase::TextureWrapClampToBorderCase (tcu::TestContext& testCtx, const glu::RenderContext& renderCtx, const char* name, const char* desc, glw::GLenum target, TesterType tester, QueryType type)
	: TextureTest(testCtx, renderCtx, name, desc, target, tester, type)
{
}

void TextureWrapClampToBorderCase::test (glu::CallLogWrapper& gl, tcu::ResultCollector& result) const
{
	gl.glTexParameteri(m_target, m_pname, GL_CLAMP_TO_BORDER_EXT);
	GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameteri");
	verifyStateTextureParamInteger(result, gl, m_target, m_pname, GL_CLAMP_TO_BORDER_EXT, m_type);

	gl.glTexParameteri(m_target, m_pname, GL_REPEAT);
	GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameteri");

	gl.glTexParameterf(m_target, m_pname, (GLfloat)GL_CLAMP_TO_BORDER_EXT);
	GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterf");

	verifyStateTextureParamInteger(result, gl, m_target, m_pname, GL_CLAMP_TO_BORDER_EXT, m_type);
}

class TextureBorderColorCase : public TextureTest
{
public:
			TextureBorderColorCase	(tcu::TestContext& testCtx, const glu::RenderContext& renderContext, const char* name, const char* desc, glw::GLenum target, QueryType type);
	void	test					(glu::CallLogWrapper& gl, tcu::ResultCollector& result) const;
};

TextureBorderColorCase::TextureBorderColorCase (tcu::TestContext& testCtx, const glu::RenderContext& renderCtx, const char* name, const char* desc, glw::GLenum target, QueryType type)
	: TextureTest(testCtx, renderCtx, name, desc, target, TESTER_TEXTURE_BORDER_COLOR, type)
{
}

void TextureBorderColorCase::test (glu::CallLogWrapper& gl, tcu::ResultCollector& result) const
{
	// border color is undefined if queried with pure type and was not set to pure value
	if (m_type == QUERY_TEXTURE_PARAM_INTEGER_VEC4 || m_type == QUERY_TEXTURE_PARAM_FLOAT_VEC4)
	{
		const tcu::ScopedLogSection section(m_testCtx.getLog(), "Initial", "Initial");
		verifyStateTextureParamFloatVec4(result, gl, m_target, m_pname, tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), m_type);
	}

	if (m_type == QUERY_TEXTURE_PARAM_PURE_INTEGER_VEC4)
	{
		const tcu::ScopedLogSection	section			(m_testCtx.getLog(), "Set", "Set");
		const tcu::IVec4			color			(0x7FFFFFFF, -2, 3, -128);

		gl.glTexParameterIiv(m_target, m_pname, color.getPtr());
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterIiv");

		verifyStateTextureParamIntegerVec4(result, gl, m_target, m_pname, color, m_type);
	}
	else if (m_type == QUERY_TEXTURE_PARAM_PURE_UNSIGNED_INTEGER_VEC4)
	{
		const tcu::ScopedLogSection	section			(m_testCtx.getLog(), "Set", "Set");
		const tcu::UVec4			color			(0x8000000ul, 2, 3, 128);

		gl.glTexParameterIuiv(m_target, m_pname, color.getPtr());
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterIuiv");

		verifyStateTextureParamUnsignedIntegerVec4(result, gl, m_target, m_pname, color, m_type);
	}
	else
	{
		DE_ASSERT(m_type == QUERY_TEXTURE_PARAM_INTEGER_VEC4 || m_type == QUERY_TEXTURE_PARAM_FLOAT_VEC4);

		const tcu::ScopedLogSection	section			(m_testCtx.getLog(), "Set", "Set");
		const tcu::Vec4				color			(0.25f, 1.0f, 0.0f, 0.77f);
		const tcu::IVec4			icolor			(0x8000000ul, 0x7FFFFFFF, 0, 0x0FFFFFFF);

		gl.glTexParameterfv(m_target, m_pname, color.getPtr());
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameterfv");

		verifyStateTextureParamFloatVec4(result, gl, m_target, m_pname, color, m_type);

		gl.glTexParameteriv(m_target, m_pname, icolor.getPtr());
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glTexParameteriv");

		verifyStateTextureParamNormalizedI32Vec4(result, gl, m_target, m_pname, icolor, m_type);
	}
}

class SamplerTest : public tcu::TestCase
{
public:
						SamplerTest	(tcu::TestContext&			testCtx,
									 const glu::RenderContext&	renderCtx,
									 const char*				name,
									 const char*				desc,
									 TesterType					tester,
									 QueryType					type);

	void				init		(void);
	IterateResult		iterate		(void);

	virtual void		test		(glu::CallLogWrapper& gl, tcu::ResultCollector& result) const = 0;

protected:
	const glu::RenderContext&	m_renderCtx;
	const glw::GLenum			m_pname;
	const TesterType			m_tester;
	const QueryType				m_type;
	glw::GLuint					m_target;
};

SamplerTest::SamplerTest (tcu::TestContext&			testCtx,
						  const glu::RenderContext&	renderCtx,
						  const char*				name,
						  const char*				desc,
						  TesterType				tester,
						  QueryType					type)
	: TestCase		(testCtx, name, desc)
	, m_renderCtx	(renderCtx)
	, m_pname		(mapTesterToPname(tester))
	, m_tester		(tester)
	, m_type		(type)
	, m_target		(0)
{
}

void SamplerTest::init (void)
{
	const de::UniquePtr<glu::ContextInfo>	ctxInfo		(glu::ContextInfo::create(m_renderCtx));
	RequiredExtensions						extensions;

	// param
	if (!isCoreTextureParam(m_renderCtx.getType(), m_pname))
		extensions.add(getTextureParamExtension(m_renderCtx.getType(), m_pname));

	// query
	if (!isCoreQuery(m_renderCtx.getType(), m_type))
		extensions.add(getQueryExtension(m_renderCtx.getType(), m_type));

	// test type
	if (!isCoreTester(m_renderCtx.getType(), m_tester))
		extensions.add(getTesterExtension(m_renderCtx.getType(), m_tester));

	extensions.check(*ctxInfo);
}

SamplerTest::IterateResult SamplerTest::iterate (void)
{
	glu::CallLogWrapper		gl		(m_renderCtx.getFunctions(), m_testCtx.getLog());
	tcu::ResultCollector	result	(m_testCtx.getLog(), " // ERROR: ");
	glu::Sampler			sampler	(m_renderCtx);

	gl.enableLogging(true);

	m_target = *sampler;
	test(gl, result);
	m_target = 0;

	result.setTestContextResult(m_testCtx);
	return STOP;
}

class SamplerWrapCase : public SamplerTest
{
public:
			SamplerWrapCase	(tcu::TestContext& testCtx, const glu::RenderContext& renderContext, const char* name, const char* desc, TesterType tester, QueryType type);
	void	test			(glu::CallLogWrapper& gl, tcu::ResultCollector& result) const;
};

SamplerWrapCase::SamplerWrapCase (tcu::TestContext& testCtx, const glu::RenderContext& renderCtx, const char* name, const char* desc, TesterType tester, QueryType type)
	: SamplerTest(testCtx, renderCtx, name, desc, tester, type)
{
}

void SamplerWrapCase::test (glu::CallLogWrapper& gl, tcu::ResultCollector& result) const
{
	const bool isPureCase = isPureIntTester(m_tester) || isPureUintTester(m_tester);

	if (!isPureCase)
	{
		const tcu::ScopedLogSection section(m_testCtx.getLog(), "Initial", "Initial");
		verifyStateSamplerParamInteger(result, gl, m_target, m_pname, GL_REPEAT, m_type);
	}

	{
		const tcu::ScopedLogSection	section			(m_testCtx.getLog(), "Set", "Set");
		const GLenum				wrapValues[]	= {GL_CLAMP_TO_EDGE, GL_REPEAT, GL_MIRRORED_REPEAT};

		if (isPureCase)
		{
			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(wrapValues); ++ndx)
			{
				if (isPureIntTester(m_tester))
				{
					const glw::GLint value = (glw::GLint)wrapValues[ndx];
					gl.glSamplerParameterIiv(m_target, m_pname, &value);
					GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameterIiv");
				}
				else
				{
					DE_ASSERT(isPureUintTester(m_tester));

					const glw::GLuint value = wrapValues[ndx];
					gl.glSamplerParameterIuiv(m_target, m_pname, &value);
					GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameterIuiv");
				}

				verifyStateSamplerParamInteger(result, gl, m_target, m_pname, wrapValues[ndx], m_type);
			}
		}
		else
		{
			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(wrapValues); ++ndx)
			{
				gl.glSamplerParameteri(m_target, m_pname, wrapValues[ndx]);
				GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameteri");

				verifyStateSamplerParamInteger(result, gl, m_target, m_pname, wrapValues[ndx], m_type);
			}

			//check unit conversions with float

			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(wrapValues); ++ndx)
			{
				gl.glSamplerParameterf(m_target, m_pname, (GLfloat)wrapValues[ndx]);
				GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameterf");

				verifyStateSamplerParamInteger(result, gl, m_target, m_pname, wrapValues[ndx], m_type);
			}
		}
	}
}

class SamplerFilterCase : public SamplerTest
{
public:
			SamplerFilterCase	(tcu::TestContext& testCtx, const glu::RenderContext& renderContext, const char* name, const char* desc, TesterType tester, QueryType type);
	void	test				(glu::CallLogWrapper& gl, tcu::ResultCollector& result) const;
};

SamplerFilterCase::SamplerFilterCase (tcu::TestContext& testCtx, const glu::RenderContext& renderCtx, const char* name, const char* desc, TesterType tester, QueryType type)
	: SamplerTest(testCtx, renderCtx, name, desc, tester, type)
{
}

void SamplerFilterCase::test (glu::CallLogWrapper& gl, tcu::ResultCollector& result) const
{
	const bool			isPureCase	= isPureIntTester(m_tester) || isPureUintTester(m_tester);
	const glw::GLenum	initial		= (m_pname == GL_TEXTURE_MAG_FILTER) ? (GL_LINEAR)
									: (m_pname == GL_TEXTURE_MIN_FILTER) ? (GL_NEAREST_MIPMAP_LINEAR)
									: (0);

	if (!isPureCase)
	{
		const tcu::ScopedLogSection section(m_testCtx.getLog(), "Initial", "Initial");
		verifyStateSamplerParamInteger(result, gl, m_target, m_pname, initial, m_type);
	}

	{
		const tcu::ScopedLogSection	section		(m_testCtx.getLog(), "Set", "Set");
		std::vector<GLenum>			values;

		values.push_back(GL_NEAREST);
		values.push_back(GL_LINEAR);
		if (m_pname == GL_TEXTURE_MIN_FILTER)
		{
			values.push_back(GL_NEAREST_MIPMAP_NEAREST);
			values.push_back(GL_NEAREST_MIPMAP_LINEAR);
			values.push_back(GL_LINEAR_MIPMAP_NEAREST);
			values.push_back(GL_LINEAR_MIPMAP_LINEAR);
		}

		if (isPureCase)
		{
			for (int ndx = 0; ndx < (int)values.size(); ++ndx)
			{
				if (isPureIntTester(m_tester))
				{
					const glw::GLint value = (glw::GLint)values[ndx];
					gl.glSamplerParameterIiv(m_target, m_pname, &value);
					GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameterIiv");
				}
				else
				{
					DE_ASSERT(isPureUintTester(m_tester));

					const glw::GLuint value = values[ndx];
					gl.glSamplerParameterIuiv(m_target, m_pname, &value);
					GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameterIuiv");
				}

				verifyStateSamplerParamInteger(result, gl, m_target, m_pname, values[ndx], m_type);
			}
		}
		else
		{
			for (int ndx = 0; ndx < (int)values.size(); ++ndx)
			{
				gl.glSamplerParameteri(m_target, m_pname, values[ndx]);
				GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameteri");

				verifyStateSamplerParamInteger(result, gl, m_target, m_pname, values[ndx], m_type);
			}

			//check unit conversions with float

			for (int ndx = 0; ndx < (int)values.size(); ++ndx)
			{
				gl.glSamplerParameterf(m_target, m_pname, (GLfloat)values[ndx]);
				GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameterf");

				verifyStateSamplerParamInteger(result, gl, m_target, m_pname, values[ndx], m_type);
			}
		}
	}
}

class SamplerLODCase : public SamplerTest
{
public:
			SamplerLODCase	(tcu::TestContext& testCtx, const glu::RenderContext& renderContext, const char* name, const char* desc, TesterType tester, QueryType type);
	void	test			(glu::CallLogWrapper& gl, tcu::ResultCollector& result) const;
};

SamplerLODCase::SamplerLODCase (tcu::TestContext& testCtx, const glu::RenderContext& renderCtx, const char* name, const char* desc, TesterType tester, QueryType type)
	: SamplerTest(testCtx, renderCtx, name, desc, tester, type)
{
}

void SamplerLODCase::test (glu::CallLogWrapper& gl, tcu::ResultCollector& result) const
{
	const bool	isPureCase		= isPureIntTester(m_tester) || isPureUintTester(m_tester);
	const int	initialValue 	= (m_pname == GL_TEXTURE_MIN_LOD) ? (-1000)
								: (m_pname == GL_TEXTURE_MAX_LOD) ? (1000)
								: (-1);

	if ((querySupportsSigned(m_type) || initialValue >= 0) && !isPureCase)
	{
		const tcu::ScopedLogSection section(m_testCtx.getLog(), "Initial", "Initial");
		verifyStateSamplerParamInteger(result, gl, m_target, m_pname, initialValue, m_type);
	}

	{
		const tcu::ScopedLogSection	section			(m_testCtx.getLog(), "Set", "Set");
		const int					numIterations	= 20;
		de::Random					rnd				(0xabcdef);

		if (isPureCase)
		{
			if (isPureIntTester(m_tester))
			{
				for (int ndx = 0; ndx < numIterations; ++ndx)
				{
					const GLint ref = rnd.getInt(-1000, 1000);

					gl.glSamplerParameterIiv(m_target, m_pname, &ref);
					GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameterIiv");

					verifyStateSamplerParamFloat(result, gl, m_target, m_pname, (float)ref, m_type);
				}
			}
			else
			{
				DE_ASSERT(isPureUintTester(m_tester));

				for (int ndx = 0; ndx < numIterations; ++ndx)
				{
					const GLuint ref = (glw::GLuint)rnd.getInt(0, 1000);

					gl.glSamplerParameterIuiv(m_target, m_pname, &ref);
					GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameterIuiv");

					verifyStateSamplerParamFloat(result, gl, m_target, m_pname, (float)ref, m_type);
				}
			}
		}
		else
		{
			const int minLimit = (querySupportsSigned(m_type)) ? (-1000) : (0);

			for (int ndx = 0; ndx < numIterations; ++ndx)
			{
				const GLfloat ref = rnd.getFloat((float)minLimit, 1000.f);

				gl.glSamplerParameterf(m_target, m_pname, ref);
				GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameterf");

				verifyStateSamplerParamFloat(result, gl, m_target, m_pname, ref, m_type);
			}

			// check unit conversions with int

			for (int ndx = 0; ndx < numIterations; ++ndx)
			{
				const GLint ref = rnd.getInt(minLimit, 1000);

				gl.glSamplerParameteri(m_target, m_pname, ref);
				GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameteri");

				verifyStateSamplerParamFloat(result, gl, m_target, m_pname, (float)ref, m_type);
			}
		}
	}
}

class SamplerCompareModeCase : public SamplerTest
{
public:
			SamplerCompareModeCase	(tcu::TestContext& testCtx, const glu::RenderContext& renderContext, const char* name, const char* desc, TesterType tester, QueryType type);
	void	test					(glu::CallLogWrapper& gl, tcu::ResultCollector& result) const;
};

SamplerCompareModeCase::SamplerCompareModeCase (tcu::TestContext& testCtx, const glu::RenderContext& renderCtx, const char* name, const char* desc, TesterType tester, QueryType type)
	: SamplerTest(testCtx, renderCtx, name, desc, tester, type)
{
}

void SamplerCompareModeCase::test (glu::CallLogWrapper& gl, tcu::ResultCollector& result) const
{
	const bool isPureCase = isPureIntTester(m_tester) || isPureUintTester(m_tester);

	if (!isPureCase)
	{
		const tcu::ScopedLogSection section(m_testCtx.getLog(), "Initial", "Initial");
		verifyStateSamplerParamInteger(result, gl, m_target, m_pname, GL_NONE, m_type);
	}

	{
		const tcu::ScopedLogSection	section		(m_testCtx.getLog(), "Set", "Set");
		const GLenum				modes[]		= {GL_COMPARE_REF_TO_TEXTURE, GL_NONE};

		if (isPureCase)
		{
			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(modes); ++ndx)
			{
				if (isPureIntTester(m_tester))
				{
					const glw::GLint value = (glw::GLint)modes[ndx];
					gl.glSamplerParameterIiv(m_target, m_pname, &value);
					GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameterIiv");
				}
				else
				{
					DE_ASSERT(isPureUintTester(m_tester));

					const glw::GLuint value = modes[ndx];
					gl.glSamplerParameterIuiv(m_target, m_pname, &value);
					GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameterIuiv");
				}

				verifyStateSamplerParamInteger(result, gl, m_target, m_pname, modes[ndx], m_type);
			}
		}
		else
		{
			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(modes); ++ndx)
			{
				gl.glSamplerParameteri(m_target, m_pname, modes[ndx]);
				GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameteri");

				verifyStateSamplerParamInteger(result, gl, m_target, m_pname, modes[ndx], m_type);
			}

			//check unit conversions with float

			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(modes); ++ndx)
			{
				gl.glSamplerParameterf(m_target, m_pname, (GLfloat)modes[ndx]);
				GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameterf");

				verifyStateSamplerParamInteger(result, gl, m_target, m_pname, modes[ndx], m_type);
			}
		}
	}
}

class SamplerCompareFuncCase : public SamplerTest
{
public:
			SamplerCompareFuncCase	(tcu::TestContext& testCtx, const glu::RenderContext& renderContext, const char* name, const char* desc, TesterType tester, QueryType type);
	void	test					(glu::CallLogWrapper& gl, tcu::ResultCollector& result) const;
};

SamplerCompareFuncCase::SamplerCompareFuncCase (tcu::TestContext& testCtx, const glu::RenderContext& renderCtx, const char* name, const char* desc, TesterType tester, QueryType type)
	: SamplerTest(testCtx, renderCtx, name, desc, tester, type)
{
}

void SamplerCompareFuncCase::test (glu::CallLogWrapper& gl, tcu::ResultCollector& result) const
{
	const bool isPureCase = isPureIntTester(m_tester) || isPureUintTester(m_tester);

	if (!isPureCase)
	{
		const tcu::ScopedLogSection section(m_testCtx.getLog(), "Initial", "Initial");
		verifyStateSamplerParamInteger(result, gl, m_target, m_pname, GL_LEQUAL, m_type);
	}

	{
		const tcu::ScopedLogSection	section			(m_testCtx.getLog(), "Set", "Set");
		const GLenum				compareFuncs[]	= {GL_LEQUAL, GL_GEQUAL, GL_LESS, GL_GREATER, GL_EQUAL, GL_NOTEQUAL, GL_ALWAYS, GL_NEVER};

		if (isPureCase)
		{
			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(compareFuncs); ++ndx)
			{
				if (isPureIntTester(m_tester))
				{
					const glw::GLint value = (glw::GLint)compareFuncs[ndx];
					gl.glSamplerParameterIiv(m_target, m_pname, &value);
					GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameterIiv");
				}
				else
				{
					DE_ASSERT(isPureUintTester(m_tester));

					const glw::GLuint value = compareFuncs[ndx];
					gl.glSamplerParameterIuiv(m_target, m_pname, &value);
					GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameterIuiv");
				}

				verifyStateSamplerParamInteger(result, gl, m_target, m_pname, compareFuncs[ndx], m_type);
			}
		}
		else
		{
			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(compareFuncs); ++ndx)
			{
				gl.glSamplerParameteri(m_target, m_pname, compareFuncs[ndx]);
				GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameteri");

				verifyStateSamplerParamInteger(result, gl, m_target, m_pname, compareFuncs[ndx], m_type);
			}

			//check unit conversions with float

			for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(compareFuncs); ++ndx)
			{
				gl.glSamplerParameterf(m_target, m_pname, (GLfloat)compareFuncs[ndx]);
				GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameterf");

				verifyStateSamplerParamInteger(result, gl, m_target, m_pname, compareFuncs[ndx], m_type);
			}
		}
	}
}

class SamplerWrapClampToBorderCase : public SamplerTest
{
public:
			SamplerWrapClampToBorderCase	(tcu::TestContext& testCtx, const glu::RenderContext& renderContext, const char* name, const char* desc, TesterType tester, QueryType type);
	void	test							(glu::CallLogWrapper& gl, tcu::ResultCollector& result) const;
};

SamplerWrapClampToBorderCase::SamplerWrapClampToBorderCase (tcu::TestContext& testCtx, const glu::RenderContext& renderCtx, const char* name, const char* desc, TesterType tester, QueryType type)
	: SamplerTest(testCtx, renderCtx, name, desc, tester, type)
{
}

void SamplerWrapClampToBorderCase::test (glu::CallLogWrapper& gl, tcu::ResultCollector& result) const
{
	gl.glSamplerParameteri(m_target, m_pname, GL_CLAMP_TO_BORDER_EXT);
	GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameteri");
	verifyStateSamplerParamInteger(result, gl, m_target, m_pname, GL_CLAMP_TO_BORDER_EXT, m_type);

	gl.glSamplerParameteri(m_target, m_pname, GL_REPEAT);
	GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameteri");

	gl.glSamplerParameterf(m_target, m_pname, (GLfloat)GL_CLAMP_TO_BORDER_EXT);
	GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameterf");

	verifyStateSamplerParamInteger(result, gl, m_target, m_pname, GL_CLAMP_TO_BORDER_EXT, m_type);
}

class SamplerSRGBDecodeCase : public SamplerTest
{
public:
			SamplerSRGBDecodeCase	(tcu::TestContext& testCtx, const glu::RenderContext& renderContext, const char* name, const char* desc, TesterType tester, QueryType type);
	void	test					(glu::CallLogWrapper& gl, tcu::ResultCollector& result) const;
};

SamplerSRGBDecodeCase::SamplerSRGBDecodeCase (tcu::TestContext& testCtx, const glu::RenderContext& renderCtx, const char* name, const char* desc, TesterType tester, QueryType type)
	: SamplerTest(testCtx, renderCtx, name, desc, tester, type)
{
}

void SamplerSRGBDecodeCase::test (glu::CallLogWrapper& gl, tcu::ResultCollector& result) const
{
	const bool isPureCase = isPureIntTester(m_tester) || isPureUintTester(m_tester);

	if (!isPureCase)
	{
		const tcu::ScopedLogSection section(m_testCtx.getLog(), "Initial", "Initial");
		verifyStateSamplerParamInteger(result, gl, m_target, m_pname, GL_DECODE_EXT, m_type);
	}

	{
		const tcu::ScopedLogSection	section			(m_testCtx.getLog(), "Toggle", "Toggle");
		const glw::GLint			decodeInt		= GL_DECODE_EXT;
		const glw::GLfloat			decodeFloat		= (glw::GLfloat)GL_DECODE_EXT;

		gl.glSamplerParameteri(m_target, m_pname, GL_SKIP_DECODE_EXT);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "set state");
		verifyStateSamplerParamInteger(result, gl, m_target, m_pname, GL_SKIP_DECODE_EXT, m_type);

		gl.glSamplerParameteriv(m_target, m_pname, &decodeInt);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "set state");
		verifyStateSamplerParamInteger(result, gl, m_target, m_pname, GL_DECODE_EXT, m_type);

		gl.glSamplerParameterf(m_target, m_pname, GL_SKIP_DECODE_EXT);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "set state");
		verifyStateSamplerParamInteger(result, gl, m_target, m_pname, GL_SKIP_DECODE_EXT, m_type);

		gl.glSamplerParameterfv(m_target, m_pname, &decodeFloat);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "set state");
		verifyStateSamplerParamInteger(result, gl, m_target, m_pname, GL_DECODE_EXT, m_type);
	}

	if (isPureIntTester(m_tester))
	{
		const glw::GLint skipDecode	= GL_SKIP_DECODE_EXT;
		const glw::GLint decode		= GL_DECODE_EXT;

		gl.glSamplerParameterIiv(m_target, m_pname, &skipDecode);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameterIiv");
		verifyStateSamplerParamInteger(result, gl, m_target, m_pname, GL_SKIP_DECODE_EXT, m_type);

		gl.glSamplerParameterIiv(m_target, m_pname, &decode);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameterIiv");
		verifyStateSamplerParamInteger(result, gl, m_target, m_pname, GL_DECODE_EXT, m_type);
	}

	if (isPureUintTester(m_tester))
	{
		const glw::GLuint skipDecode	= GL_SKIP_DECODE_EXT;
		const glw::GLuint decode		= GL_DECODE_EXT;

		gl.glSamplerParameterIuiv(m_target, m_pname, &skipDecode);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameterIuiv");
		verifyStateSamplerParamInteger(result, gl, m_target, m_pname, GL_SKIP_DECODE_EXT, m_type);

		gl.glSamplerParameterIuiv(m_target, m_pname, &decode);
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameterIuiv");
		verifyStateSamplerParamInteger(result, gl, m_target, m_pname, GL_DECODE_EXT, m_type);
	}
}

class SamplerBorderColorCase : public SamplerTest
{
public:
			SamplerBorderColorCase	(tcu::TestContext& testCtx, const glu::RenderContext& renderContext, const char* name, const char* desc, QueryType type);
	void	test					(glu::CallLogWrapper& gl, tcu::ResultCollector& result) const;
};

SamplerBorderColorCase::SamplerBorderColorCase (tcu::TestContext& testCtx, const glu::RenderContext& renderCtx, const char* name, const char* desc, QueryType type)
	: SamplerTest(testCtx, renderCtx, name, desc, TESTER_TEXTURE_BORDER_COLOR, type)
{
	DE_ASSERT(m_type == QUERY_SAMPLER_PARAM_INTEGER_VEC4					||
			  m_type == QUERY_SAMPLER_PARAM_FLOAT_VEC4						||
			  m_type == QUERY_SAMPLER_PARAM_PURE_INTEGER_VEC4				||
			  m_type == QUERY_SAMPLER_PARAM_PURE_UNSIGNED_INTEGER_VEC4);
}

void SamplerBorderColorCase::test (glu::CallLogWrapper& gl, tcu::ResultCollector& result) const
{
	// border color is undefined if queried with pure type and was not set to pure value
	if (m_type == QUERY_SAMPLER_PARAM_INTEGER_VEC4 || m_type == QUERY_SAMPLER_PARAM_FLOAT_VEC4)
	{
		const tcu::ScopedLogSection section(m_testCtx.getLog(), "Initial", "Initial");
		verifyStateSamplerParamFloatVec4(result, gl, m_target, m_pname, tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), m_type);
	}

	if (m_type == QUERY_SAMPLER_PARAM_PURE_INTEGER_VEC4)
	{
		const tcu::ScopedLogSection	section			(m_testCtx.getLog(), "Set", "Set");
		const tcu::IVec4			color			(0x7FFFFFFF, -2, 3, -128);

		gl.glSamplerParameterIiv(m_target, m_pname, color.getPtr());
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameterIiv");

		verifyStateSamplerParamIntegerVec4(result, gl, m_target, m_pname, color, m_type);
	}
	else if (m_type == QUERY_SAMPLER_PARAM_PURE_UNSIGNED_INTEGER_VEC4)
	{
		const tcu::ScopedLogSection	section			(m_testCtx.getLog(), "Set", "Set");
		const tcu::UVec4			color			(0x8000000ul, 2, 3, 128);

		gl.glSamplerParameterIuiv(m_target, m_pname, color.getPtr());
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameterIuiv");

		verifyStateSamplerParamUnsignedIntegerVec4(result, gl, m_target, m_pname, color, m_type);
	}
	else
	{
		DE_ASSERT(m_type == QUERY_SAMPLER_PARAM_INTEGER_VEC4 || m_type == QUERY_SAMPLER_PARAM_FLOAT_VEC4);

		const tcu::ScopedLogSection	section			(m_testCtx.getLog(), "Set", "Set");
		const tcu::Vec4				color			(0.25f, 1.0f, 0.0f, 0.77f);
		const tcu::IVec4			icolor			(0x8000000ul, 0x7FFFFFFF, 0, 0x0FFFFFFF);

		gl.glSamplerParameterfv(m_target, m_pname, color.getPtr());
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameterfv");

		verifyStateSamplerParamFloatVec4(result, gl, m_target, m_pname, color, m_type);

		gl.glSamplerParameteriv(m_target, m_pname, icolor.getPtr());
		GLS_COLLECT_GL_ERROR(result, gl.glGetError(), "glSamplerParameteriv");

		verifyStateSamplerParamNormalizedI32Vec4(result, gl, m_target, m_pname, icolor, m_type);
	}
}

} // anonymous

bool isLegalTesterForTarget (glw::GLenum target, TesterType tester)
{
	// no 3d filtering on 2d targets
	if ((tester == TESTER_TEXTURE_WRAP_R || tester == TESTER_TEXTURE_WRAP_R_CLAMP_TO_BORDER) &&  target != GL_TEXTURE_3D)
		return false;

	// no sampling on multisample
	if (isMultisampleTarget(target) && isSamplerStateTester(tester))
		return false;

	// no states in buffer
	if (target == GL_TEXTURE_BUFFER)
		return false;

	return true;
}

bool isMultisampleTarget (glw::GLenum target)
{
	return	target == GL_TEXTURE_2D_MULTISAMPLE			||
			target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY;
}

bool isSamplerStateTester (TesterType tester)
{
	return	tester == TESTER_TEXTURE_WRAP_S					||
			tester == TESTER_TEXTURE_WRAP_T					||
			tester == TESTER_TEXTURE_WRAP_R					||
			tester == TESTER_TEXTURE_MAG_FILTER				||
			tester == TESTER_TEXTURE_MIN_FILTER				||
			tester == TESTER_TEXTURE_MIN_LOD				||
			tester == TESTER_TEXTURE_MAX_LOD				||
			tester == TESTER_TEXTURE_COMPARE_MODE			||
			tester == TESTER_TEXTURE_COMPARE_FUNC			||
			tester == TESTER_TEXTURE_SRGB_DECODE_EXT		||
			tester == TESTER_TEXTURE_BORDER_COLOR			||
			tester == TESTER_TEXTURE_WRAP_S_CLAMP_TO_BORDER	||
			tester == TESTER_TEXTURE_WRAP_T_CLAMP_TO_BORDER	||
			tester == TESTER_TEXTURE_WRAP_R_CLAMP_TO_BORDER;
}

tcu::TestCase* createIsTextureTest (tcu::TestContext& testCtx, const glu::RenderContext& renderCtx, const std::string& name, const std::string& description, glw::GLenum target)
{
	return new IsTextureCase(testCtx, renderCtx, name.c_str(), description.c_str(), target);
}

tcu::TestCase* createTexParamTest (tcu::TestContext& testCtx, const glu::RenderContext& renderCtx, const std::string& name, const std::string& description, QueryType queryType, glw::GLenum target, TesterType tester)
{
	if (isMultisampleTarget(target) && isSamplerStateTester(tester))
	{
		DE_FATAL("Multisample textures have no sampler state");
		return DE_NULL;
	}
	if (target == GL_TEXTURE_BUFFER)
	{
		DE_FATAL("Buffer textures have no texture state");
		return DE_NULL;
	}
	if (target != GL_TEXTURE_3D && mapTesterToPname(tester) == GL_TEXTURE_WRAP_R)
	{
		DE_FATAL("Only 3D textures have wrap r filter");
		return DE_NULL;
	}

#define CASE_ALL_SETTERS(X) case X: case X ## _SET_PURE_INT: case X ## _SET_PURE_UINT

	switch (tester)
	{
		CASE_ALL_SETTERS(TESTER_TEXTURE_SWIZZLE_R):
		CASE_ALL_SETTERS(TESTER_TEXTURE_SWIZZLE_G):
		CASE_ALL_SETTERS(TESTER_TEXTURE_SWIZZLE_B):
		CASE_ALL_SETTERS(TESTER_TEXTURE_SWIZZLE_A):
			return new TextureSwizzleCase(testCtx, renderCtx, name.c_str(), description.c_str(), target, tester, queryType);

		CASE_ALL_SETTERS(TESTER_TEXTURE_WRAP_S):
		CASE_ALL_SETTERS(TESTER_TEXTURE_WRAP_T):
		CASE_ALL_SETTERS(TESTER_TEXTURE_WRAP_R):
			return new TextureWrapCase(testCtx, renderCtx, name.c_str(), description.c_str(), target, tester, queryType);

		CASE_ALL_SETTERS(TESTER_TEXTURE_MAG_FILTER):
		CASE_ALL_SETTERS(TESTER_TEXTURE_MIN_FILTER):
			return new TextureFilterCase(testCtx, renderCtx, name.c_str(), description.c_str(), target, tester, queryType);

		CASE_ALL_SETTERS(TESTER_TEXTURE_MIN_LOD):
		CASE_ALL_SETTERS(TESTER_TEXTURE_MAX_LOD):
			return new TextureLODCase(testCtx, renderCtx, name.c_str(), description.c_str(), target, tester, queryType);

		CASE_ALL_SETTERS(TESTER_TEXTURE_BASE_LEVEL):
		CASE_ALL_SETTERS(TESTER_TEXTURE_MAX_LEVEL):
			return new TextureLevelCase(testCtx, renderCtx, name.c_str(), description.c_str(), target, tester, queryType);

		CASE_ALL_SETTERS(TESTER_TEXTURE_COMPARE_MODE):
			return new TextureCompareModeCase(testCtx, renderCtx, name.c_str(), description.c_str(), target, tester, queryType);

		CASE_ALL_SETTERS(TESTER_TEXTURE_COMPARE_FUNC):
			return new TextureCompareFuncCase(testCtx, renderCtx, name.c_str(), description.c_str(), target, tester, queryType);

		case TESTER_TEXTURE_IMMUTABLE_LEVELS:
			return new TextureImmutableLevelsCase(testCtx, renderCtx, name.c_str(), description.c_str(), target, queryType);

		case TESTER_TEXTURE_IMMUTABLE_FORMAT:
			return new TextureImmutableFormatCase(testCtx, renderCtx, name.c_str(), description.c_str(), target, queryType);

		case TESTER_TEXTURE_WRAP_S_CLAMP_TO_BORDER:
		case TESTER_TEXTURE_WRAP_T_CLAMP_TO_BORDER:
		case TESTER_TEXTURE_WRAP_R_CLAMP_TO_BORDER:
			return new TextureWrapClampToBorderCase(testCtx, renderCtx, name.c_str(), description.c_str(), target, tester, queryType);

		CASE_ALL_SETTERS(TESTER_DEPTH_STENCIL_TEXTURE_MODE):
			return new DepthStencilModeCase(testCtx, renderCtx, name.c_str(), description.c_str(), target, tester, queryType);

		CASE_ALL_SETTERS(TESTER_TEXTURE_SRGB_DECODE_EXT):
			return new TextureSRGBDecodeCase(testCtx, renderCtx, name.c_str(), description.c_str(), target, tester, queryType);

		case TESTER_TEXTURE_BORDER_COLOR:
			return new TextureBorderColorCase(testCtx, renderCtx, name.c_str(), description.c_str(), target, queryType);

		default:
			break;
	}

#undef CASE_ALL_SETTERS

	DE_ASSERT(false);
	return DE_NULL;
}

tcu::TestCase* createSamplerParamTest (tcu::TestContext& testCtx, const glu::RenderContext& renderCtx, const std::string& name, const std::string& description, StateQueryUtil::QueryType queryType, TesterType tester)
{
#define CASE_ALL_SETTERS(X) case X: case X ## _SET_PURE_INT: case X ## _SET_PURE_UINT

	switch (tester)
	{
		CASE_ALL_SETTERS(TESTER_TEXTURE_WRAP_S):
		CASE_ALL_SETTERS(TESTER_TEXTURE_WRAP_T):
		CASE_ALL_SETTERS(TESTER_TEXTURE_WRAP_R):
			return new SamplerWrapCase(testCtx, renderCtx, name.c_str(), description.c_str(), tester, queryType);

		CASE_ALL_SETTERS(TESTER_TEXTURE_MAG_FILTER):
		CASE_ALL_SETTERS(TESTER_TEXTURE_MIN_FILTER):
			return new SamplerFilterCase(testCtx, renderCtx, name.c_str(), description.c_str(), tester, queryType);

		CASE_ALL_SETTERS(TESTER_TEXTURE_MIN_LOD):
		CASE_ALL_SETTERS(TESTER_TEXTURE_MAX_LOD):
			return new SamplerLODCase(testCtx, renderCtx, name.c_str(), description.c_str(), tester, queryType);

		CASE_ALL_SETTERS(TESTER_TEXTURE_COMPARE_MODE):
			return new SamplerCompareModeCase(testCtx, renderCtx, name.c_str(), description.c_str(), tester, queryType);

		CASE_ALL_SETTERS(TESTER_TEXTURE_COMPARE_FUNC):
			return new SamplerCompareFuncCase(testCtx, renderCtx, name.c_str(), description.c_str(), tester, queryType);

		case TESTER_TEXTURE_WRAP_S_CLAMP_TO_BORDER:
		case TESTER_TEXTURE_WRAP_T_CLAMP_TO_BORDER:
		case TESTER_TEXTURE_WRAP_R_CLAMP_TO_BORDER:
			return new SamplerWrapClampToBorderCase(testCtx, renderCtx, name.c_str(), description.c_str(), tester, queryType);

		CASE_ALL_SETTERS(TESTER_TEXTURE_SRGB_DECODE_EXT):
			return new SamplerSRGBDecodeCase(testCtx, renderCtx, name.c_str(), description.c_str(), tester, queryType);

		case TESTER_TEXTURE_BORDER_COLOR:
			return new SamplerBorderColorCase(testCtx, renderCtx, name.c_str(), description.c_str(), queryType);

		default:
			break;
	}

#undef CASE_ALL_SETTERS

	DE_ASSERT(false);
	return DE_NULL;
}

} // TextureStateQueryTests
} // gls
} // deqp