external/vulkancts/modules/vulkan/subgroups/vktSubgroupsQuadTests.cpp - third_party/vulkan-cts - Git at Google

 /*------------------------------------------------------------------------
  * Vulkan Conformance Tests
  * ------------------------
  *
  * Copyright (c) 2019 The Khronos Group Inc.
  * Copyright (c) 2019 Google Inc.
  * Copyright (c) 2017 Codeplay Software Ltd.
  *
  * 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 Subgroups Tests
  */ /*--------------------------------------------------------------------*/

 #include "vktSubgroupsQuadTests.hpp"
 #include "vktSubgroupsTestsUtils.hpp"

 #include <string>
 #include <vector>

 using namespace tcu;
 using namespace std;
 using namespace vk;
 using namespace vkt;

 namespace
 {
 enum OpType
 {
 	OPTYPE_QUAD_BROADCAST = 0,
 	OPTYPE_QUAD_BROADCAST_NONCONST,
 	OPTYPE_QUAD_SWAP_HORIZONTAL,
 	OPTYPE_QUAD_SWAP_VERTICAL,
 	OPTYPE_QUAD_SWAP_DIAGONAL,
 	OPTYPE_LAST
 };

 struct CaseDefinition
 {
 	OpType				opType;
 	VkShaderStageFlags	shaderStage;
 	VkFormat			format;
 	de::SharedPtr<bool>	geometryPointSizeSupported;
 	deBool				requiredSubgroupSize;
 };

 static bool checkVertexPipelineStages (const void*			internalData,
 									   vector<const void*>	datas,
 									   deUint32				width,
 									   deUint32)
 {
 	DE_UNREF(internalData);

 	return subgroups::check(datas, width, 1);
 }

 static bool checkCompute (const void*			internalData,
 						  vector<const void*>	datas,
 						  const deUint32		numWorkgroups[3],
 						  const deUint32		localSize[3],
 						  deUint32)
 {
 	DE_UNREF(internalData);

 	return subgroups::checkCompute(datas, numWorkgroups, localSize, 1);
 }

 string getOpTypeName (OpType opType)
 {
 	switch (opType)
 	{
 		case OPTYPE_QUAD_BROADCAST:				return "subgroupQuadBroadcast";
 		case OPTYPE_QUAD_BROADCAST_NONCONST:	return "subgroupQuadBroadcast";
 		case OPTYPE_QUAD_SWAP_HORIZONTAL:		return "subgroupQuadSwapHorizontal";
 		case OPTYPE_QUAD_SWAP_VERTICAL:			return "subgroupQuadSwapVertical";
 		case OPTYPE_QUAD_SWAP_DIAGONAL:			return "subgroupQuadSwapDiagonal";
 		default:								TCU_THROW(InternalError, "Unsupported op type");
 	}
 }

 string getOpTypeCaseName (OpType opType)
 {
 	switch (opType)
 	{
 		case OPTYPE_QUAD_BROADCAST:				return "subgroupquadbroadcast";
 		case OPTYPE_QUAD_BROADCAST_NONCONST:	return "subgroupquadbroadcast_nonconst";
 		case OPTYPE_QUAD_SWAP_HORIZONTAL:		return "subgroupquadswaphorizontal";
 		case OPTYPE_QUAD_SWAP_VERTICAL:			return "subgroupquadswapvertical";
 		case OPTYPE_QUAD_SWAP_DIAGONAL:			return "subgroupquadswapdiagonal";
 		default:								TCU_THROW(InternalError, "Unsupported op type");
 	}
 }

 string getExtHeader (VkFormat format)
 {
 	return	"#extension GL_KHR_shader_subgroup_quad: enable\n"
 			"#extension GL_KHR_shader_subgroup_ballot: enable\n" +
 			subgroups::getAdditionalExtensionForFormat(format);
 }

 string getTestSrc (const CaseDefinition &caseDef)
 {
 	const string	swapTable[OPTYPE_LAST]	=
 	{
 		"",
 		"",
 		"  const uint swapTable[4] = {1, 0, 3, 2};\n",
 		"  const uint swapTable[4] = {2, 3, 0, 1};\n",
 		"  const uint swapTable[4] = {3, 2, 1, 0};\n",
 	};
 	const string	validate				=
 		"  if (subgroupBallotBitExtract(mask, otherID) && op !=data[otherID])\n"
 		"    tempRes = 0;\n";
 	const string	fmt						= subgroups::getFormatNameForGLSL(caseDef.format);
 	const string	op						= getOpTypeName(caseDef.opType);
 	ostringstream	testSrc;

 	testSrc	<< "  uvec4 mask = subgroupBallot(true);\n"
 			<< swapTable[caseDef.opType]
 			<< "  tempRes = 1;\n";

 	if (caseDef.opType == OPTYPE_QUAD_BROADCAST)
 	{
 		for (int i=0; i<4; i++)
 		{
 			testSrc << "  {\n"
 					<< "  " << fmt << " op = " << op << "(data[gl_SubgroupInvocationID], " << i << ");\n"
 					<< "  uint otherID = (gl_SubgroupInvocationID & ~0x3) + " << i << ";\n"
 					<< validate
 					<< "  }\n";
 		}
 	}
 	else if (caseDef.opType == OPTYPE_QUAD_BROADCAST_NONCONST)
 	{
 		testSrc << "  for (int i=0; i<4; i++)"
 				<< "  {\n"
 				<< "  " << fmt << " op = " << op << "(data[gl_SubgroupInvocationID], i);\n"
 				<< "  uint otherID = (gl_SubgroupInvocationID & ~0x3) + i;\n"
 				<< validate
 				<< "  }\n"
 				<< "  uint quadID = gl_SubgroupInvocationID >> 2;\n"
 				<< "  uint quadInvocation = gl_SubgroupInvocationID & 0x3;\n"
 				<< "  // Test lane ID that is only uniform in active lanes\n"
 				<< "  if (quadInvocation >= 2)\n"
 				<< "  {\n"
 				<< "    uint id = quadInvocation & ~1;\n"
 				<< "    " << fmt << " op = " << op << "(data[gl_SubgroupInvocationID], id);\n"
 				<< "    uint otherID = 4*quadID + id;\n"
 				<< validate
 				<< "  }\n"
 				<< "  // Test lane ID that is only quad uniform, not subgroup uniform\n"
 				<< "  {\n"
 				<< "    uint id = quadID & 0x3;\n"
 				<< "    " << fmt << " op = " << op << "(data[gl_SubgroupInvocationID], id);\n"
 				<< "    uint otherID = 4*quadID + id;\n"
 				<< validate
 				<< "  }\n";
 	}
 	else
 	{
 		testSrc << "  " << fmt << " op = " << op << "(data[gl_SubgroupInvocationID]);\n"
 				<< "  uint otherID = (gl_SubgroupInvocationID & ~0x3) + swapTable[gl_SubgroupInvocationID & 0x3];\n"
 				<< validate;
 	}

 	return testSrc.str();
 }

 void initFrameBufferPrograms (SourceCollections& programCollection, CaseDefinition caseDef)
 {
 	const SpirvVersion			spirvVersion	= (caseDef.opType == OPTYPE_QUAD_BROADCAST_NONCONST) ? SPIRV_VERSION_1_5 : SPIRV_VERSION_1_3;
 	const ShaderBuildOptions	buildOptions	(programCollection.usedVulkanVersion, spirvVersion, 0u);

 	subgroups::initStdFrameBufferPrograms(programCollection, buildOptions, caseDef.shaderStage, caseDef.format, *caseDef.geometryPointSizeSupported, getExtHeader(caseDef.format), getTestSrc(caseDef), "");
 }

 void initPrograms (SourceCollections& programCollection, CaseDefinition caseDef)
 {
 	const bool					spirv15required	= caseDef.opType == OPTYPE_QUAD_BROADCAST_NONCONST;
 	const bool					spirv14required	= isAllRayTracingStages(caseDef.shaderStage);
 	const SpirvVersion			spirvVersion	= spirv15required ? SPIRV_VERSION_1_5
 												: spirv14required ? SPIRV_VERSION_1_4
 												: SPIRV_VERSION_1_3;
 	const ShaderBuildOptions	buildOptions	(programCollection.usedVulkanVersion, spirvVersion, 0u);
 	const string				extHeader		= getExtHeader(caseDef.format);
 	const string				testSrc			= getTestSrc(caseDef);

 	subgroups::initStdPrograms(programCollection, buildOptions, caseDef.shaderStage, caseDef.format, *caseDef.geometryPointSizeSupported, extHeader, testSrc, "");
 }

 void supportedCheck (Context& context, CaseDefinition caseDef)
 {
 	if (!subgroups::isSubgroupSupported(context))
 		TCU_THROW(NotSupportedError, "Subgroup operations are not supported");

 	if (!subgroups::isSubgroupFeatureSupportedForDevice(context, VK_SUBGROUP_FEATURE_QUAD_BIT))
 		TCU_THROW(NotSupportedError, "Device does not support subgroup quad operations");

 	if (!subgroups::isFormatSupportedForDevice(context, caseDef.format))
 		TCU_THROW(NotSupportedError, "Device does not support the specified format in subgroup operations");

 	if ((caseDef.opType == OPTYPE_QUAD_BROADCAST_NONCONST) && !subgroups::isSubgroupBroadcastDynamicIdSupported(context))
 		TCU_THROW(NotSupportedError, "Device does not support SubgroupBroadcastDynamicId");

 	if (caseDef.requiredSubgroupSize)
 	{
 		context.requireDeviceFunctionality("VK_EXT_subgroup_size_control");

 		const VkPhysicalDeviceSubgroupSizeControlFeaturesEXT&	subgroupSizeControlFeatures		= context.getSubgroupSizeControlFeaturesEXT();
 		const VkPhysicalDeviceSubgroupSizeControlPropertiesEXT&	subgroupSizeControlProperties	= context.getSubgroupSizeControlPropertiesEXT();

 		if (subgroupSizeControlFeatures.subgroupSizeControl == DE_FALSE)
 			TCU_THROW(NotSupportedError, "Device does not support varying subgroup sizes nor required subgroup size");

 		if (subgroupSizeControlFeatures.computeFullSubgroups == DE_FALSE)
 			TCU_THROW(NotSupportedError, "Device does not support full subgroups in compute shaders");

 		if ((subgroupSizeControlProperties.requiredSubgroupSizeStages & caseDef.shaderStage) != caseDef.shaderStage)
 			TCU_THROW(NotSupportedError, "Required subgroup size is not supported for shader stage");
 	}

 	*caseDef.geometryPointSizeSupported = subgroups::isTessellationAndGeometryPointSizeSupported(context);

 	subgroups::supportedCheckShader(context, caseDef.shaderStage);
 }

 TestStatus noSSBOtest (Context& context, const CaseDefinition caseDef)
 {
 	subgroups::SSBOData inputData;
 	inputData.format = caseDef.format;
 	inputData.layout = subgroups::SSBOData::LayoutStd140;
 	inputData.numElements = subgroups::maxSupportedSubgroupSize();
 	inputData.initializeType = subgroups::SSBOData::InitializeNonZero;

 	switch (caseDef.shaderStage)
 	{
 		case VK_SHADER_STAGE_VERTEX_BIT:					return subgroups::makeVertexFrameBufferTest(context, VK_FORMAT_R32_UINT, &inputData, 1, DE_NULL, checkVertexPipelineStages);
 		case VK_SHADER_STAGE_GEOMETRY_BIT:					return subgroups::makeGeometryFrameBufferTest(context, VK_FORMAT_R32_UINT, &inputData, 1, DE_NULL, checkVertexPipelineStages);
 		case VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT:		return subgroups::makeTessellationEvaluationFrameBufferTest(context, VK_FORMAT_R32_UINT, &inputData, 1, DE_NULL, checkVertexPipelineStages, caseDef.shaderStage);
 		case VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT:	return subgroups::makeTessellationEvaluationFrameBufferTest(context, VK_FORMAT_R32_UINT, &inputData, 1, DE_NULL, checkVertexPipelineStages, caseDef.shaderStage);
 		default:											TCU_THROW(InternalError, "Unhandled shader stage");
 	}
 }

 TestStatus test (Context& context, const CaseDefinition caseDef)
 {

 	if (isAllComputeStages(caseDef.shaderStage))
 	{
 		const VkPhysicalDeviceSubgroupSizeControlPropertiesEXT&	subgroupSizeControlProperties	= context.getSubgroupSizeControlPropertiesEXT();
 		TestLog&												log								= context.getTestContext().getLog();
 		const subgroups::SSBOData								inputData
 		{
 			subgroups::SSBOData::InitializeNonZero,	// InputDataInitializeType		initializeType;
 			subgroups::SSBOData::LayoutStd430,		// InputDataLayoutType			layout;
 			caseDef.format,							// vk::VkFormat				format;
 			subgroups::maxSupportedSubgroupSize(),	// vk::VkDeviceSize			numElements;
 		};

 		if (caseDef.requiredSubgroupSize == DE_FALSE)
 			return subgroups::makeComputeTest(context, VK_FORMAT_R32_UINT, &inputData, 1, DE_NULL, checkCompute);

 		log << TestLog::Message << "Testing required subgroup size range [" <<  subgroupSizeControlProperties.minSubgroupSize << ", "
 			<< subgroupSizeControlProperties.maxSubgroupSize << "]" << TestLog::EndMessage;

 		// According to the spec, requiredSubgroupSize must be a power-of-two integer.
 		for (deUint32 size = subgroupSizeControlProperties.minSubgroupSize; size <= subgroupSizeControlProperties.maxSubgroupSize; size *= 2)
 		{
 			TestStatus	result	= subgroups::makeComputeTest(context, VK_FORMAT_R32_UINT, &inputData, 1, DE_NULL, checkCompute,
 															size, VK_PIPELINE_SHADER_STAGE_CREATE_REQUIRE_FULL_SUBGROUPS_BIT_EXT);
 			if (result.getCode() != QP_TEST_RESULT_PASS)
 			{
 				log << TestLog::Message << "subgroupSize " << size << " failed" << TestLog::EndMessage;
 				return result;
 			}
 		}

 		return TestStatus::pass("OK");
 	}
 	else if (isAllGraphicsStages(caseDef.shaderStage))
 	{
 		const VkShaderStageFlags	stages		= subgroups::getPossibleGraphicsSubgroupStages(context, caseDef.shaderStage);
 		subgroups::SSBOData			inputData;

 		inputData.format			= caseDef.format;
 		inputData.layout			= subgroups::SSBOData::LayoutStd430;
 		inputData.numElements		= subgroups::maxSupportedSubgroupSize();
 		inputData.initializeType	= subgroups::SSBOData::InitializeNonZero;
 		inputData.binding			= 4u;
 		inputData.stages			= stages;

 		return subgroups::allStages(context, VK_FORMAT_R32_UINT, &inputData, 1, DE_NULL, checkVertexPipelineStages, stages);
 	}
 	else if (isAllRayTracingStages(caseDef.shaderStage))
 	{
 		const VkShaderStageFlags	stages		= subgroups::getPossibleRayTracingSubgroupStages(context, caseDef.shaderStage);
 		const subgroups::SSBOData	inputData	=
 		{
 			subgroups::SSBOData::InitializeNonZero,	//  InputDataInitializeType		initializeType;
 			subgroups::SSBOData::LayoutStd430,		//  InputDataLayoutType			layout;
 			caseDef.format,							//  vk::VkFormat				format;
 			subgroups::maxSupportedSubgroupSize(),	//  vk::VkDeviceSize			numElements;
 			false,									//  bool						isImage;
 			6u,										//  deUint32					binding;
 			stages,									//  vk::VkShaderStageFlags		stages;
 		};

 		return subgroups::allRayTracingStages(context, VK_FORMAT_R32_UINT, &inputData, 1, DE_NULL, checkVertexPipelineStages, stages);
 	}
 	else
 		TCU_THROW(InternalError, "Unknown stage or invalid stage set");
 }
 }

 namespace vkt
 {
 namespace subgroups
 {
 TestCaseGroup* createSubgroupsQuadTests (TestContext& testCtx)
 {
 	de::MovePtr<TestCaseGroup>	group				(new TestCaseGroup(testCtx, "quad", "Subgroup quad category tests"));
 	de::MovePtr<TestCaseGroup>	graphicGroup		(new TestCaseGroup(testCtx, "graphics", "Subgroup arithmetic category tests: graphics"));
 	de::MovePtr<TestCaseGroup>	computeGroup		(new TestCaseGroup(testCtx, "compute", "Subgroup arithmetic category tests: compute"));
 	de::MovePtr<TestCaseGroup>	framebufferGroup	(new TestCaseGroup(testCtx, "framebuffer", "Subgroup arithmetic category tests: framebuffer"));
 	de::MovePtr<TestCaseGroup>	raytracingGroup		(new TestCaseGroup(testCtx, "ray_tracing", "Subgroup arithmetic category tests: ray tracing"));
 	const VkShaderStageFlags	stages[]			=
 	{
 		VK_SHADER_STAGE_VERTEX_BIT,
 		VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT,
 		VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT,
 		VK_SHADER_STAGE_GEOMETRY_BIT,
 	};
 	const deBool				boolValues[]		=
 	{
 		DE_FALSE,
 		DE_TRUE
 	};

 	{
 		const vector<VkFormat>	formats	= subgroups::getAllFormats();

 		for (size_t formatIndex = 0; formatIndex < formats.size(); ++formatIndex)
 		{
 			const VkFormat	format		= formats[formatIndex];
 			const string	formatName	= subgroups::getFormatNameForGLSL(format);

 			for (int opTypeIndex = 0; opTypeIndex < OPTYPE_LAST; ++opTypeIndex)
 			{
 				const OpType	opType	= static_cast<OpType>(opTypeIndex);
 				const string	name	= getOpTypeCaseName(opType) + "_" + formatName;

 				for (size_t groupSizeNdx = 0; groupSizeNdx < DE_LENGTH_OF_ARRAY(boolValues); ++groupSizeNdx)
 				{
 					const deBool			requiredSubgroupSize	= boolValues[groupSizeNdx];
 					const string			testNameSuffix			= requiredSubgroupSize ? "_requiredsubgroupsize" : "";
 					const string			testName				= name + testNameSuffix;
 					const CaseDefinition	caseDef					=
 					{
 						opType,							//  OpType				opType;
 						VK_SHADER_STAGE_COMPUTE_BIT,	//  VkShaderStageFlags	shaderStage;
 						format,							//  VkFormat			format;
 						de::SharedPtr<bool>(new bool),	//  de::SharedPtr<bool>	geometryPointSizeSupported;
 						requiredSubgroupSize,			//  deBool				requiredSubgroupSize;
 					};

 					addFunctionCaseWithPrograms(computeGroup.get(), testName, "", supportedCheck, initPrograms, test, caseDef);
 				}

 				{
 					const CaseDefinition	caseDef		=
 					{
 						opType,							//  OpType				opType;
 						VK_SHADER_STAGE_ALL_GRAPHICS,	//  VkShaderStageFlags	shaderStage;
 						format,							//  VkFormat			format;
 						de::SharedPtr<bool>(new bool),	//  de::SharedPtr<bool>	geometryPointSizeSupported;
 						DE_FALSE						//  deBool				requiredSubgroupSize;
 					};

 					addFunctionCaseWithPrograms(graphicGroup.get(), name, "", supportedCheck, initPrograms, test, caseDef);
 				}

 				for (int stageIndex = 0; stageIndex < DE_LENGTH_OF_ARRAY(stages); ++stageIndex)
 				{
 					const CaseDefinition	caseDef		=
 					{
 						opType,							//  OpType				opType;
 						stages[stageIndex],				//  VkShaderStageFlags	shaderStage;
 						format,							//  VkFormat			format;
 						de::SharedPtr<bool>(new bool),	//  de::SharedPtr<bool>	geometryPointSizeSupported;
 						DE_FALSE						//  deBool				requiredSubgroupSize;
 					};
 					const string			testName	= name + "_" + getShaderStageName(caseDef.shaderStage);

 					addFunctionCaseWithPrograms(framebufferGroup.get(), testName, "", supportedCheck, initFrameBufferPrograms, noSSBOtest, caseDef);
 				}
 			}
 		}
 	}

 	{
 		const vector<VkFormat>	formats	= subgroups::getAllRayTracingFormats();

 		for (size_t formatIndex = 0; formatIndex < formats.size(); ++formatIndex)
 		{
 			const VkFormat	format		= formats[formatIndex];
 			const string	formatName	= subgroups::getFormatNameForGLSL(format);

 			for (int opTypeIndex = 0; opTypeIndex < OPTYPE_LAST; ++opTypeIndex)
 			{
 				const OpType			opType		= static_cast<OpType>(opTypeIndex);
 				const string			testName	= getOpTypeCaseName(opType) + "_" + formatName;
 				const CaseDefinition	caseDef		=
 				{
 					opType,							//  OpType				opType;
 					SHADER_STAGE_ALL_RAY_TRACING,	//  VkShaderStageFlags	shaderStage;
 					format,							//  VkFormat			format;
 					de::SharedPtr<bool>(new bool),	//  de::SharedPtr<bool>	geometryPointSizeSupported;
 					DE_FALSE						//  deBool				requiredSubgroupSize;
 				};

 				addFunctionCaseWithPrograms(raytracingGroup.get(), testName, "", supportedCheck, initPrograms, test, caseDef);
 			}
 		}
 	}

 	group->addChild(graphicGroup.release());
 	group->addChild(computeGroup.release());
 	group->addChild(framebufferGroup.release());
 	group->addChild(raytracingGroup.release());

 	return group.release();
 }
 } // subgroups
 } // vkt
	/*------------------------------------------------------------------------
	* Vulkan Conformance Tests
	* ------------------------
	*
	* Copyright (c) 2019 The Khronos Group Inc.
	* Copyright (c) 2019 Google Inc.
	* Copyright (c) 2017 Codeplay Software Ltd.
	*
	* 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 Subgroups Tests
	/ /--------------------------------------------------------------------*/

	#include "vktSubgroupsQuadTests.hpp"
	#include "vktSubgroupsTestsUtils.hpp"

	#include <string>
	#include <vector>

	using namespace tcu;
	using namespace std;
	using namespace vk;
	using namespace vkt;

	namespace
	{
	enum OpType
	{
	OPTYPE_QUAD_BROADCAST = 0,
	OPTYPE_QUAD_BROADCAST_NONCONST,
	OPTYPE_QUAD_SWAP_HORIZONTAL,
	OPTYPE_QUAD_SWAP_VERTICAL,
	OPTYPE_QUAD_SWAP_DIAGONAL,
	OPTYPE_LAST
	};

	struct CaseDefinition
	{
	OpType opType;
	VkShaderStageFlags shaderStage;
	VkFormat format;
	de::SharedPtr<bool> geometryPointSizeSupported;
	deBool requiredSubgroupSize;
	};

	static bool checkVertexPipelineStages (const void* internalData,
	vector<const void*> datas,
	deUint32 width,
	deUint32)
	{
	DE_UNREF(internalData);

	return subgroups::check(datas, width, 1);
	}

	static bool checkCompute (const void* internalData,
	vector<const void*> datas,
	const deUint32 numWorkgroups[3],
	const deUint32 localSize[3],
	deUint32)
	{
	DE_UNREF(internalData);

	return subgroups::checkCompute(datas, numWorkgroups, localSize, 1);
	}

	string getOpTypeName (OpType opType)
	{
	switch (opType)
	{
	case OPTYPE_QUAD_BROADCAST: return "subgroupQuadBroadcast";
	case OPTYPE_QUAD_BROADCAST_NONCONST: return "subgroupQuadBroadcast";
	case OPTYPE_QUAD_SWAP_HORIZONTAL: return "subgroupQuadSwapHorizontal";
	case OPTYPE_QUAD_SWAP_VERTICAL: return "subgroupQuadSwapVertical";
	case OPTYPE_QUAD_SWAP_DIAGONAL: return "subgroupQuadSwapDiagonal";
	default: TCU_THROW(InternalError, "Unsupported op type");
	}
	}

	string getOpTypeCaseName (OpType opType)
	{
	switch (opType)
	{
	case OPTYPE_QUAD_BROADCAST: return "subgroupquadbroadcast";
	case OPTYPE_QUAD_BROADCAST_NONCONST: return "subgroupquadbroadcast_nonconst";
	case OPTYPE_QUAD_SWAP_HORIZONTAL: return "subgroupquadswaphorizontal";
	case OPTYPE_QUAD_SWAP_VERTICAL: return "subgroupquadswapvertical";
	case OPTYPE_QUAD_SWAP_DIAGONAL: return "subgroupquadswapdiagonal";
	default: TCU_THROW(InternalError, "Unsupported op type");
	}
	}

	string getExtHeader (VkFormat format)
	{
	return "#extension GL_KHR_shader_subgroup_quad: enable\n"
	"#extension GL_KHR_shader_subgroup_ballot: enable\n" +
	subgroups::getAdditionalExtensionForFormat(format);
	}

	string getTestSrc (const CaseDefinition &caseDef)
	{
	const string swapTable[OPTYPE_LAST] =
	{
	"",
	"",
	" const uint swapTable[4] = {1, 0, 3, 2};\n",
	" const uint swapTable[4] = {2, 3, 0, 1};\n",
	" const uint swapTable[4] = {3, 2, 1, 0};\n",
	};
	const string validate =
	" if (subgroupBallotBitExtract(mask, otherID) && op !=data[otherID])\n"
	" tempRes = 0;\n";
	const string fmt = subgroups::getFormatNameForGLSL(caseDef.format);
	const string op = getOpTypeName(caseDef.opType);
	ostringstream testSrc;

	testSrc << " uvec4 mask = subgroupBallot(true);\n"
	<< swapTable[caseDef.opType]
	<< " tempRes = 1;\n";

	if (caseDef.opType == OPTYPE_QUAD_BROADCAST)
	{
	for (int i=0; i<4; i++)
	{
	testSrc << " {\n"
	<< " " << fmt << " op = " << op << "(data[gl_SubgroupInvocationID], " << i << ");\n"
	<< " uint otherID = (gl_SubgroupInvocationID & ~0x3) + " << i << ";\n"
	<< validate
	<< " }\n";
	}
	}
	else if (caseDef.opType == OPTYPE_QUAD_BROADCAST_NONCONST)
	{
	testSrc << " for (int i=0; i<4; i++)"
	<< " {\n"
	<< " " << fmt << " op = " << op << "(data[gl_SubgroupInvocationID], i);\n"
	<< " uint otherID = (gl_SubgroupInvocationID & ~0x3) + i;\n"
	<< validate
	<< " }\n"
	<< " uint quadID = gl_SubgroupInvocationID >> 2;\n"
	<< " uint quadInvocation = gl_SubgroupInvocationID & 0x3;\n"
	<< " // Test lane ID that is only uniform in active lanes\n"
	<< " if (quadInvocation >= 2)\n"
	<< " {\n"
	<< " uint id = quadInvocation & ~1;\n"
	<< " " << fmt << " op = " << op << "(data[gl_SubgroupInvocationID], id);\n"
	<< " uint otherID = 4*quadID + id;\n"
	<< validate
	<< " }\n"
	<< " // Test lane ID that is only quad uniform, not subgroup uniform\n"
	<< " {\n"
	<< " uint id = quadID & 0x3;\n"
	<< " " << fmt << " op = " << op << "(data[gl_SubgroupInvocationID], id);\n"
	<< " uint otherID = 4*quadID + id;\n"
	<< validate
	<< " }\n";
	}
	else
	{
	testSrc << " " << fmt << " op = " << op << "(data[gl_SubgroupInvocationID]);\n"
	<< " uint otherID = (gl_SubgroupInvocationID & ~0x3) + swapTable[gl_SubgroupInvocationID & 0x3];\n"
	<< validate;
	}

	return testSrc.str();
	}

	void initFrameBufferPrograms (SourceCollections& programCollection, CaseDefinition caseDef)
	{
	const SpirvVersion spirvVersion = (caseDef.opType == OPTYPE_QUAD_BROADCAST_NONCONST) ? SPIRV_VERSION_1_5 : SPIRV_VERSION_1_3;
	const ShaderBuildOptions buildOptions (programCollection.usedVulkanVersion, spirvVersion, 0u);

	subgroups::initStdFrameBufferPrograms(programCollection, buildOptions, caseDef.shaderStage, caseDef.format, *caseDef.geometryPointSizeSupported, getExtHeader(caseDef.format), getTestSrc(caseDef), "");
	}

	void initPrograms (SourceCollections& programCollection, CaseDefinition caseDef)
	{
	const bool spirv15required = caseDef.opType == OPTYPE_QUAD_BROADCAST_NONCONST;
	const bool spirv14required = isAllRayTracingStages(caseDef.shaderStage);
	const SpirvVersion spirvVersion = spirv15required ? SPIRV_VERSION_1_5
	: spirv14required ? SPIRV_VERSION_1_4
	: SPIRV_VERSION_1_3;
	const ShaderBuildOptions buildOptions (programCollection.usedVulkanVersion, spirvVersion, 0u);
	const string extHeader = getExtHeader(caseDef.format);
	const string testSrc = getTestSrc(caseDef);

	subgroups::initStdPrograms(programCollection, buildOptions, caseDef.shaderStage, caseDef.format, *caseDef.geometryPointSizeSupported, extHeader, testSrc, "");
	}

	void supportedCheck (Context& context, CaseDefinition caseDef)
	{
	if (!subgroups::isSubgroupSupported(context))
	TCU_THROW(NotSupportedError, "Subgroup operations are not supported");

	if (!subgroups::isSubgroupFeatureSupportedForDevice(context, VK_SUBGROUP_FEATURE_QUAD_BIT))
	TCU_THROW(NotSupportedError, "Device does not support subgroup quad operations");

	if (!subgroups::isFormatSupportedForDevice(context, caseDef.format))
	TCU_THROW(NotSupportedError, "Device does not support the specified format in subgroup operations");

	if ((caseDef.opType == OPTYPE_QUAD_BROADCAST_NONCONST) && !subgroups::isSubgroupBroadcastDynamicIdSupported(context))
	TCU_THROW(NotSupportedError, "Device does not support SubgroupBroadcastDynamicId");

	if (caseDef.requiredSubgroupSize)
	{
	context.requireDeviceFunctionality("VK_EXT_subgroup_size_control");

	const VkPhysicalDeviceSubgroupSizeControlFeaturesEXT& subgroupSizeControlFeatures = context.getSubgroupSizeControlFeaturesEXT();
	const VkPhysicalDeviceSubgroupSizeControlPropertiesEXT& subgroupSizeControlProperties = context.getSubgroupSizeControlPropertiesEXT();

	if (subgroupSizeControlFeatures.subgroupSizeControl == DE_FALSE)
	TCU_THROW(NotSupportedError, "Device does not support varying subgroup sizes nor required subgroup size");

	if (subgroupSizeControlFeatures.computeFullSubgroups == DE_FALSE)
	TCU_THROW(NotSupportedError, "Device does not support full subgroups in compute shaders");

	if ((subgroupSizeControlProperties.requiredSubgroupSizeStages & caseDef.shaderStage) != caseDef.shaderStage)
	TCU_THROW(NotSupportedError, "Required subgroup size is not supported for shader stage");
	}

	*caseDef.geometryPointSizeSupported = subgroups::isTessellationAndGeometryPointSizeSupported(context);

	subgroups::supportedCheckShader(context, caseDef.shaderStage);
	}

	TestStatus noSSBOtest (Context& context, const CaseDefinition caseDef)
	{
	subgroups::SSBOData inputData;
	inputData.format = caseDef.format;
	inputData.layout = subgroups::SSBOData::LayoutStd140;
	inputData.numElements = subgroups::maxSupportedSubgroupSize();
	inputData.initializeType = subgroups::SSBOData::InitializeNonZero;

	switch (caseDef.shaderStage)
	{
	case VK_SHADER_STAGE_VERTEX_BIT: return subgroups::makeVertexFrameBufferTest(context, VK_FORMAT_R32_UINT, &inputData, 1, DE_NULL, checkVertexPipelineStages);
	case VK_SHADER_STAGE_GEOMETRY_BIT: return subgroups::makeGeometryFrameBufferTest(context, VK_FORMAT_R32_UINT, &inputData, 1, DE_NULL, checkVertexPipelineStages);
	case VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT: return subgroups::makeTessellationEvaluationFrameBufferTest(context, VK_FORMAT_R32_UINT, &inputData, 1, DE_NULL, checkVertexPipelineStages, caseDef.shaderStage);
	case VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT: return subgroups::makeTessellationEvaluationFrameBufferTest(context, VK_FORMAT_R32_UINT, &inputData, 1, DE_NULL, checkVertexPipelineStages, caseDef.shaderStage);
	default: TCU_THROW(InternalError, "Unhandled shader stage");
	}
	}

	TestStatus test (Context& context, const CaseDefinition caseDef)
	{

	if (isAllComputeStages(caseDef.shaderStage))
	{
	const VkPhysicalDeviceSubgroupSizeControlPropertiesEXT& subgroupSizeControlProperties = context.getSubgroupSizeControlPropertiesEXT();
	TestLog& log = context.getTestContext().getLog();
	const subgroups::SSBOData inputData
	{
	subgroups::SSBOData::InitializeNonZero, // InputDataInitializeType initializeType;
	subgroups::SSBOData::LayoutStd430, // InputDataLayoutType layout;
	caseDef.format, // vk::VkFormat format;
	subgroups::maxSupportedSubgroupSize(), // vk::VkDeviceSize numElements;
	};

	if (caseDef.requiredSubgroupSize == DE_FALSE)
	return subgroups::makeComputeTest(context, VK_FORMAT_R32_UINT, &inputData, 1, DE_NULL, checkCompute);

	log << TestLog::Message << "Testing required subgroup size range [" << subgroupSizeControlProperties.minSubgroupSize << ", "
	<< subgroupSizeControlProperties.maxSubgroupSize << "]" << TestLog::EndMessage;

	// According to the spec, requiredSubgroupSize must be a power-of-two integer.
	for (deUint32 size = subgroupSizeControlProperties.minSubgroupSize; size <= subgroupSizeControlProperties.maxSubgroupSize; size *= 2)
	{
	TestStatus result = subgroups::makeComputeTest(context, VK_FORMAT_R32_UINT, &inputData, 1, DE_NULL, checkCompute,
	size, VK_PIPELINE_SHADER_STAGE_CREATE_REQUIRE_FULL_SUBGROUPS_BIT_EXT);
	if (result.getCode() != QP_TEST_RESULT_PASS)
	{
	log << TestLog::Message << "subgroupSize " << size << " failed" << TestLog::EndMessage;
	return result;
	}
	}

	return TestStatus::pass("OK");
	}
	else if (isAllGraphicsStages(caseDef.shaderStage))
	{
	const VkShaderStageFlags stages = subgroups::getPossibleGraphicsSubgroupStages(context, caseDef.shaderStage);
	subgroups::SSBOData inputData;

	inputData.format = caseDef.format;
	inputData.layout = subgroups::SSBOData::LayoutStd430;
	inputData.numElements = subgroups::maxSupportedSubgroupSize();
	inputData.initializeType = subgroups::SSBOData::InitializeNonZero;
	inputData.binding = 4u;
	inputData.stages = stages;

	return subgroups::allStages(context, VK_FORMAT_R32_UINT, &inputData, 1, DE_NULL, checkVertexPipelineStages, stages);
	}
	else if (isAllRayTracingStages(caseDef.shaderStage))
	{
	const VkShaderStageFlags stages = subgroups::getPossibleRayTracingSubgroupStages(context, caseDef.shaderStage);
	const subgroups::SSBOData inputData =
	{
	subgroups::SSBOData::InitializeNonZero, // InputDataInitializeType initializeType;
	subgroups::SSBOData::LayoutStd430, // InputDataLayoutType layout;
	caseDef.format, // vk::VkFormat format;
	subgroups::maxSupportedSubgroupSize(), // vk::VkDeviceSize numElements;
	false, // bool isImage;
	6u, // deUint32 binding;
	stages, // vk::VkShaderStageFlags stages;
	};

	return subgroups::allRayTracingStages(context, VK_FORMAT_R32_UINT, &inputData, 1, DE_NULL, checkVertexPipelineStages, stages);
	}
	else
	TCU_THROW(InternalError, "Unknown stage or invalid stage set");
	}
	}

	namespace vkt
	{
	namespace subgroups
	{
	TestCaseGroup* createSubgroupsQuadTests (TestContext& testCtx)
	{
	de::MovePtr<TestCaseGroup> group (new TestCaseGroup(testCtx, "quad", "Subgroup quad category tests"));
	de::MovePtr<TestCaseGroup> graphicGroup (new TestCaseGroup(testCtx, "graphics", "Subgroup arithmetic category tests: graphics"));
	de::MovePtr<TestCaseGroup> computeGroup (new TestCaseGroup(testCtx, "compute", "Subgroup arithmetic category tests: compute"));
	de::MovePtr<TestCaseGroup> framebufferGroup (new TestCaseGroup(testCtx, "framebuffer", "Subgroup arithmetic category tests: framebuffer"));
	de::MovePtr<TestCaseGroup> raytracingGroup (new TestCaseGroup(testCtx, "ray_tracing", "Subgroup arithmetic category tests: ray tracing"));
	const VkShaderStageFlags stages[] =
	{
	VK_SHADER_STAGE_VERTEX_BIT,
	VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT,
	VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT,
	VK_SHADER_STAGE_GEOMETRY_BIT,
	};
	const deBool boolValues[] =
	{
	DE_FALSE,
	DE_TRUE
	};

	{
	const vector<VkFormat> formats = subgroups::getAllFormats();

	for (size_t formatIndex = 0; formatIndex < formats.size(); ++formatIndex)
	{
	const VkFormat format = formats[formatIndex];
	const string formatName = subgroups::getFormatNameForGLSL(format);

	for (int opTypeIndex = 0; opTypeIndex < OPTYPE_LAST; ++opTypeIndex)
	{
	const OpType opType = static_cast<OpType>(opTypeIndex);
	const string name = getOpTypeCaseName(opType) + "_" + formatName;

	for (size_t groupSizeNdx = 0; groupSizeNdx < DE_LENGTH_OF_ARRAY(boolValues); ++groupSizeNdx)
	{
	const deBool requiredSubgroupSize = boolValues[groupSizeNdx];
	const string testNameSuffix = requiredSubgroupSize ? "_requiredsubgroupsize" : "";
	const string testName = name + testNameSuffix;
	const CaseDefinition caseDef =
	{
	opType, // OpType opType;
	VK_SHADER_STAGE_COMPUTE_BIT, // VkShaderStageFlags shaderStage;
	format, // VkFormat format;
	de::SharedPtr<bool>(new bool), // de::SharedPtr<bool> geometryPointSizeSupported;
	requiredSubgroupSize, // deBool requiredSubgroupSize;
	};

	addFunctionCaseWithPrograms(computeGroup.get(), testName, "", supportedCheck, initPrograms, test, caseDef);
	}

	{
	const CaseDefinition caseDef =
	{
	opType, // OpType opType;
	VK_SHADER_STAGE_ALL_GRAPHICS, // VkShaderStageFlags shaderStage;
	format, // VkFormat format;
	de::SharedPtr<bool>(new bool), // de::SharedPtr<bool> geometryPointSizeSupported;
	DE_FALSE // deBool requiredSubgroupSize;
	};

	addFunctionCaseWithPrograms(graphicGroup.get(), name, "", supportedCheck, initPrograms, test, caseDef);
	}

	for (int stageIndex = 0; stageIndex < DE_LENGTH_OF_ARRAY(stages); ++stageIndex)
	{
	const CaseDefinition caseDef =
	{
	opType, // OpType opType;
	stages[stageIndex], // VkShaderStageFlags shaderStage;
	format, // VkFormat format;
	de::SharedPtr<bool>(new bool), // de::SharedPtr<bool> geometryPointSizeSupported;
	DE_FALSE // deBool requiredSubgroupSize;
	};
	const string testName = name + "_" + getShaderStageName(caseDef.shaderStage);

	addFunctionCaseWithPrograms(framebufferGroup.get(), testName, "", supportedCheck, initFrameBufferPrograms, noSSBOtest, caseDef);
	}
	}
	}
	}

	{
	const vector<VkFormat> formats = subgroups::getAllRayTracingFormats();

	for (size_t formatIndex = 0; formatIndex < formats.size(); ++formatIndex)
	{
	const VkFormat format = formats[formatIndex];
	const string formatName = subgroups::getFormatNameForGLSL(format);

	for (int opTypeIndex = 0; opTypeIndex < OPTYPE_LAST; ++opTypeIndex)
	{
	const OpType opType = static_cast<OpType>(opTypeIndex);
	const string testName = getOpTypeCaseName(opType) + "_" + formatName;
	const CaseDefinition caseDef =
	{
	opType, // OpType opType;
	SHADER_STAGE_ALL_RAY_TRACING, // VkShaderStageFlags shaderStage;
	format, // VkFormat format;
	de::SharedPtr<bool>(new bool), // de::SharedPtr<bool> geometryPointSizeSupported;
	DE_FALSE // deBool requiredSubgroupSize;
	};

	addFunctionCaseWithPrograms(raytracingGroup.get(), testName, "", supportedCheck, initPrograms, test, caseDef);
	}
	}
	}

	group->addChild(graphicGroup.release());
	group->addChild(computeGroup.release());
	group->addChild(framebufferGroup.release());
	group->addChild(raytracingGroup.release());

	return group.release();
	}
	} // subgroups
	} // vkt