external/vulkancts/modules/vulkan/subgroups/vktSubgroupsShapeTests.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 "vktSubgroupsShapeTests.hpp"
 #include "vktSubgroupsTestsUtils.hpp"

 #include <string>
 #include <vector>

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

 namespace
 {
 static bool checkVertexPipelineStages(std::vector<const void*> datas,
 									  deUint32 width, deUint32)
 {
 	return vkt::subgroups::check(datas, width, 1);
 }

 static bool checkCompute(std::vector<const void*> datas,
 						 const deUint32 numWorkgroups[3], const deUint32 localSize[3],
 						 deUint32)
 {
 	return vkt::subgroups::checkCompute(datas, numWorkgroups, localSize, 1);
 }

 enum OpType
 {
 	OPTYPE_CLUSTERED = 0,
 	OPTYPE_QUAD,
 	OPTYPE_LAST
 };

 std::string getOpTypeName(int opType)
 {
 	switch (opType)
 	{
 		default:
 			DE_FATAL("Unsupported op type");
 			return "";
 		case OPTYPE_CLUSTERED:
 			return "clustered";
 		case OPTYPE_QUAD:
 			return "quad";
 	}
 }

 struct CaseDefinition
 {
 	int					opType;
 	VkShaderStageFlags	shaderStage;
 	de::SharedPtr<bool>	geometryPointSizeSupported;
 };

 void initFrameBufferPrograms (SourceCollections& programCollection, CaseDefinition caseDef)
 {
 	const vk::ShaderBuildOptions	buildOptions	(programCollection.usedVulkanVersion, vk::SPIRV_VERSION_1_3, 0u);
 	std::ostringstream				bdy;
 	std::string						extension = (OPTYPE_CLUSTERED == caseDef.opType) ?
 										"#extension GL_KHR_shader_subgroup_clustered: enable\n" :
 										"#extension GL_KHR_shader_subgroup_quad: enable\n";

 	subgroups::setFragmentShaderFrameBuffer(programCollection);

 	if (VK_SHADER_STAGE_VERTEX_BIT != caseDef.shaderStage)
 		subgroups::setVertexShaderFrameBuffer(programCollection);

 	extension += "#extension GL_KHR_shader_subgroup_ballot: enable\n";

 	bdy << "  uint tempResult = 0x1;\n"
 		<< "  uvec4 mask = subgroupBallot(true);\n";

 	if (OPTYPE_CLUSTERED == caseDef.opType)
 	{
 		for (deUint32 i = 1; i <= subgroups::maxSupportedSubgroupSize(); i *= 2)
 		{
 			bdy << "  if (gl_SubgroupSize >= " << i << ")\n"
 				<< "  {\n"
 				<< "    uvec4 contribution = uvec4(0);\n"
 				<< "    const uint modID = gl_SubgroupInvocationID % 32;\n"
 				<< "    switch (gl_SubgroupInvocationID / 32)\n"
 				<< "    {\n"
 				<< "    case 0: contribution.x = 1 << modID; break;\n"
 				<< "    case 1: contribution.y = 1 << modID; break;\n"
 				<< "    case 2: contribution.z = 1 << modID; break;\n"
 				<< "    case 3: contribution.w = 1 << modID; break;\n"
 				<< "    }\n"
 				<< "    uvec4 result = subgroupClusteredOr(contribution, " << i << ");\n"
 				<< "    uint rootID = gl_SubgroupInvocationID & ~(" << i - 1 << ");\n"
 				<< "    for (uint i = 0; i < " << i << "; i++)\n"
 				<< "    {\n"
 				<< "      uint nextID = rootID + i;\n"
 				<< "      if (subgroupBallotBitExtract(mask, nextID) ^^ subgroupBallotBitExtract(result, nextID))\n"
 				<< "      {\n"
 				<< "        tempResult = 0;\n"
 				<< "      }\n"
 				<< "    }\n"
 				<< "  }\n";
 		}
 	}
 	else
 	{
 		bdy << "  uint cluster[4] =\n"
 			<< "  {\n"
 			<< "    subgroupQuadBroadcast(gl_SubgroupInvocationID, 0),\n"
 			<< "    subgroupQuadBroadcast(gl_SubgroupInvocationID, 1),\n"
 			<< "    subgroupQuadBroadcast(gl_SubgroupInvocationID, 2),\n"
 			<< "    subgroupQuadBroadcast(gl_SubgroupInvocationID, 3)\n"
 			<< "  };\n"
 			<< "  uint rootID = gl_SubgroupInvocationID & ~0x3;\n"
 			<< "  for (uint i = 0; i < 4; i++)\n"
 			<< "  {\n"
 			<< "    uint nextID = rootID + i;\n"
 			<< "    if (subgroupBallotBitExtract(mask, nextID) && (cluster[i] != nextID))\n"
 			<< "    {\n"
 			<< "      tempResult = mask.x;\n"
 			<< "    }\n"
 			<< "  }\n";
 	}

 	if (VK_SHADER_STAGE_VERTEX_BIT == caseDef.shaderStage)
 	{
 		std::ostringstream vertexSrc;
 		vertexSrc << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_450)<<"\n"
 			<< extension
 			<< "layout(location = 0) in highp vec4 in_position;\n"
 			<< "layout(location = 0) out float result;\n"
 			<< "\n"
 			<< "void main (void)\n"
 			<< "{\n"
 			<< bdy.str()
 			<< "  result = float(tempResult);\n"
 			<< "  gl_Position = in_position;\n"
 			<< "  gl_PointSize = 1.0f;\n"
 			<< "}\n";
 		programCollection.glslSources.add("vert")
 			<< glu::VertexSource(vertexSrc.str()) << buildOptions;
 	}
 	else if (VK_SHADER_STAGE_GEOMETRY_BIT == caseDef.shaderStage)
 	{
 		std::ostringstream geometry;

 		geometry << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_450)<<"\n"
 			<< extension
 			<< "layout(points) in;\n"
 			<< "layout(points, max_vertices = 1) out;\n"
 			<< "layout(location = 0) out float out_color;\n"
 			<< "\n"
 			<< "void main (void)\n"
 			<< "{\n"
 			<< bdy.str()
 			<< "  out_color = float(tempResult);\n"
 			<< "  gl_Position = gl_in[0].gl_Position;\n"
 			<< (*caseDef.geometryPointSizeSupported ? "  gl_PointSize = gl_in[0].gl_PointSize;\n" : "")
 			<< "  EmitVertex();\n"
 			<< "  EndPrimitive();\n"
 			<< "}\n";

 		programCollection.glslSources.add("geometry")
 			<< glu::GeometrySource(geometry.str()) << buildOptions;
 	}
 	else if (VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT == caseDef.shaderStage)
 	{
 		std::ostringstream controlSource;

 		controlSource << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_450)<<"\n"
 			<< extension
 			<< "layout(vertices = 2) out;\n"
 			<< "layout(location = 0) out float out_color[];\n"
 			<< "\n"
 			<< "void main (void)\n"
 			<< "{\n"
 			<< "  if (gl_InvocationID == 0)\n"
 			<<"  {\n"
 			<< "    gl_TessLevelOuter[0] = 1.0f;\n"
 			<< "    gl_TessLevelOuter[1] = 1.0f;\n"
 			<< "  }\n"
 			<< bdy.str()
 			<< "  out_color[gl_InvocationID] = float(tempResult);\n"
 			<< "  gl_out[gl_InvocationID].gl_Position = gl_in[gl_InvocationID].gl_Position;\n"
 			<< "}\n";

 		programCollection.glslSources.add("tesc")
 			<< glu::TessellationControlSource(controlSource.str()) << buildOptions;
 		subgroups::setTesEvalShaderFrameBuffer(programCollection);
 	}
 	else if (VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT == caseDef.shaderStage)
 	{
 		std::ostringstream evaluationSource;

 		evaluationSource << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_450)<<"\n"
 			<< extension
 			<< "layout(isolines, equal_spacing, ccw ) in;\n"
 			<< "layout(location = 0) out float out_color;\n"
 			<< "void main (void)\n"
 			<< "{\n"
 			<< bdy.str()
 			<< "  out_color = float(tempResult);\n"
 			<< "  gl_Position = mix(gl_in[0].gl_Position, gl_in[1].gl_Position, gl_TessCoord.x);\n"
 			<< "}\n";

 		subgroups::setTesCtrlShaderFrameBuffer(programCollection);
 		programCollection.glslSources.add("tese")
 				<< glu::TessellationEvaluationSource(evaluationSource.str()) << buildOptions;
 	}
 	else
 	{
 		DE_FATAL("Unsupported shader stage");
 	}
 }

 void initPrograms(SourceCollections& programCollection, CaseDefinition caseDef)
 {
 	std::string extension = (OPTYPE_CLUSTERED == caseDef.opType) ?
 							"#extension GL_KHR_shader_subgroup_clustered: enable\n" :
 							"#extension GL_KHR_shader_subgroup_quad: enable\n";

 	extension += "#extension GL_KHR_shader_subgroup_ballot: enable\n";

 	std::ostringstream bdy;

 	bdy << "  uint tempResult = 0x1;\n"
 		<< "  uvec4 mask = subgroupBallot(true);\n";

 	if (OPTYPE_CLUSTERED == caseDef.opType)
 	{
 		for (deUint32 i = 1; i <= subgroups::maxSupportedSubgroupSize(); i *= 2)
 		{
 			bdy << "  if (gl_SubgroupSize >= " << i << ")\n"
 				<< "  {\n"
 				<< "    uvec4 contribution = uvec4(0);\n"
 				<< "    const uint modID = gl_SubgroupInvocationID % 32;\n"
 				<< "    switch (gl_SubgroupInvocationID / 32)\n"
 				<< "    {\n"
 				<< "    case 0: contribution.x = 1 << modID; break;\n"
 				<< "    case 1: contribution.y = 1 << modID; break;\n"
 				<< "    case 2: contribution.z = 1 << modID; break;\n"
 				<< "    case 3: contribution.w = 1 << modID; break;\n"
 				<< "    }\n"
 				<< "    uvec4 result = subgroupClusteredOr(contribution, " << i << ");\n"
 				<< "    uint rootID = gl_SubgroupInvocationID & ~(" << i - 1 << ");\n"
 				<< "    for (uint i = 0; i < " << i << "; i++)\n"
 				<< "    {\n"
 				<< "      uint nextID = rootID + i;\n"
 				<< "      if (subgroupBallotBitExtract(mask, nextID) ^^ subgroupBallotBitExtract(result, nextID))\n"
 				<< "      {\n"
 				<< "        tempResult = 0;\n"
 				<< "      }\n"
 				<< "    }\n"
 				<< "  }\n";
 		}
 	}
 	else
 	{
 		bdy << "  uint cluster[4] =\n"
 			<< "  {\n"
 			<< "    subgroupQuadBroadcast(gl_SubgroupInvocationID, 0),\n"
 			<< "    subgroupQuadBroadcast(gl_SubgroupInvocationID, 1),\n"
 			<< "    subgroupQuadBroadcast(gl_SubgroupInvocationID, 2),\n"
 			<< "    subgroupQuadBroadcast(gl_SubgroupInvocationID, 3)\n"
 			<< "  };\n"
 			<< "  uint rootID = gl_SubgroupInvocationID & ~0x3;\n"
 			<< "  for (uint i = 0; i < 4; i++)\n"
 			<< "  {\n"
 			<< "    uint nextID = rootID + i;\n"
 			<< "    if (subgroupBallotBitExtract(mask, nextID) && (cluster[i] != nextID))\n"
 			<< "    {\n"
 			<< "      tempResult = mask.x;\n"
 			<< "    }\n"
 			<< "  }\n";
 	}

 	if (VK_SHADER_STAGE_COMPUTE_BIT == caseDef.shaderStage)
 	{
 		std::ostringstream src;

 		src << "#version 450\n"
 			<< extension
 			<< "layout (local_size_x_id = 0, local_size_y_id = 1, "
 			"local_size_z_id = 2) in;\n"
 			<< "layout(set = 0, binding = 0, std430) buffer Buffer1\n"
 			<< "{\n"
 			<< "  uint result[];\n"
 			<< "};\n"
 			<< "\n"
 			<< "void main (void)\n"
 			<< "{\n"
 			<< "  uvec3 globalSize = gl_NumWorkGroups * gl_WorkGroupSize;\n"
 			<< "  highp uint offset = globalSize.x * ((globalSize.y * "
 			"gl_GlobalInvocationID.z) + gl_GlobalInvocationID.y) + "
 			"gl_GlobalInvocationID.x;\n"
 			<< bdy.str()
 			<< "  result[offset] = tempResult;\n"
 			<< "}\n";

 		programCollection.glslSources.add("comp")
 				<< glu::ComputeSource(src.str()) << vk::ShaderBuildOptions(programCollection.usedVulkanVersion, vk::SPIRV_VERSION_1_3, 0u);
 	}
 	else
 	{
 		{
 			const string vertex =
 				"#version 450\n"
 				+ extension +
 				"layout(set = 0, binding = 0, std430) buffer Buffer1\n"
 				"{\n"
 				"  uint result[];\n"
 				"};\n"
 				"\n"
 				"void main (void)\n"
 				"{\n"
 				+ bdy.str() +
 				"  result[gl_VertexIndex] = tempResult;\n"
 				"  float pixelSize = 2.0f/1024.0f;\n"
 				"  float pixelPosition = pixelSize/2.0f - 1.0f;\n"
 				"  gl_Position = vec4(float(gl_VertexIndex) * pixelSize + pixelPosition, 0.0f, 0.0f, 1.0f);\n"
 				"  gl_PointSize = 1.0f;\n"
 				"}\n";

 			programCollection.glslSources.add("vert")
 				<< glu::VertexSource(vertex) << vk::ShaderBuildOptions(programCollection.usedVulkanVersion, vk::SPIRV_VERSION_1_3, 0u);
 		}

 		{
 			const string tesc =
 				"#version 450\n"
 				+ extension +
 				"layout(vertices=1) out;\n"
 				"layout(set = 0, binding = 1, std430) buffer Buffer1\n"
 				"{\n"
 				"  uint result[];\n"
 				"};\n"
 				"\n"
 				"void main (void)\n"
 				"{\n"
 				+ bdy.str() +
 				"  result[gl_PrimitiveID] = 1;\n"
 				"  if (gl_InvocationID == 0)\n"
 				"  {\n"
 				"    gl_TessLevelOuter[0] = 1.0f;\n"
 				"    gl_TessLevelOuter[1] = 1.0f;\n"
 				"  }\n"
 				"  gl_out[gl_InvocationID].gl_Position = gl_in[gl_InvocationID].gl_Position;\n"
 				"}\n";

 			programCollection.glslSources.add("tesc")
 					<< glu::TessellationControlSource(tesc) << vk::ShaderBuildOptions(programCollection.usedVulkanVersion, vk::SPIRV_VERSION_1_3, 0u);
 		}

 		{
 			const string tese =
 				"#version 450\n"
 				+ extension +
 				"layout(isolines) in;\n"
 				"layout(set = 0, binding = 2, std430) buffer Buffer1\n"
 				"{\n"
 				"  uint result[];\n"
 				"};\n"
 				"\n"
 				"void main (void)\n"
 				"{\n"
 				+ bdy.str() +
 				"  result[gl_PrimitiveID * 2 + uint(gl_TessCoord.x + 0.5)] = 1;\n"
 				"  float pixelSize = 2.0f/1024.0f;\n"
 				"  gl_Position = gl_in[0].gl_Position + gl_TessCoord.x * pixelSize / 2.0f;\n"
 				"}\n";

 			programCollection.glslSources.add("tese")
 					<< glu::TessellationEvaluationSource(tese) << vk::ShaderBuildOptions(programCollection.usedVulkanVersion, vk::SPIRV_VERSION_1_3, 0u);
 		}

 		{
 			const string geometry =
 				"#version 450\n"
 				+ extension +
 				"layout(${TOPOLOGY}) in;\n"
 				"layout(points, max_vertices = 1) out;\n"
 				"layout(set = 0, binding = 3, std430) buffer Buffer1\n"
 				"{\n"
 				"  uint result[];\n"
 				"};\n"
 				"\n"
 				"void main (void)\n"
 				"{\n"
 				+ bdy.str() +
 				"  result[gl_PrimitiveIDIn] = tempResult;\n"
 				"  gl_Position = gl_in[0].gl_Position;\n"
 				"  EmitVertex();\n"
 				"  EndPrimitive();\n"
 				"}\n";

 			subgroups::addGeometryShadersFromTemplate(geometry, vk::ShaderBuildOptions(programCollection.usedVulkanVersion, vk::SPIRV_VERSION_1_3, 0u),
 													  programCollection.glslSources);
 		}

 		{
 			const string fragment =
 				"#version 450\n"
 				+ extension +
 				"layout(location = 0) out uint result;\n"
 				"void main (void)\n"
 				"{\n"
 				+ bdy.str() +
 				"  result = tempResult;\n"
 				"}\n";

 			programCollection.glslSources.add("fragment")
 				<< glu::FragmentSource(fragment)<< vk::ShaderBuildOptions(programCollection.usedVulkanVersion, vk::SPIRV_VERSION_1_3, 0u);
 		}
 		subgroups::addNoSubgroupShader(programCollection);
 	}
 }

 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_BALLOT_BIT))
 	{
 		TCU_THROW(NotSupportedError, "Device does not support subgroup ballot operations");
 	}

 	if (OPTYPE_CLUSTERED == caseDef.opType)
 	{
 		if (!subgroups::isSubgroupFeatureSupportedForDevice(context, VK_SUBGROUP_FEATURE_CLUSTERED_BIT))
 		{
 			TCU_THROW(NotSupportedError, "Subgroup shape tests require that clustered operations are supported!");
 		}
 	}

 	if (OPTYPE_QUAD == caseDef.opType)
 	{
 		if (!subgroups::isSubgroupFeatureSupportedForDevice(context, VK_SUBGROUP_FEATURE_QUAD_BIT))
 		{
 			TCU_THROW(NotSupportedError, "Subgroup shape tests require that quad operations are supported!");
 		}
 	}

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

 tcu::TestStatus noSSBOtest (Context& context, const CaseDefinition caseDef)
 {
 	if (!subgroups::areSubgroupOperationsSupportedForStage(
 				context, caseDef.shaderStage))
 	{
 		if (subgroups::areSubgroupOperationsRequiredForStage(
 					caseDef.shaderStage))
 		{
 			return tcu::TestStatus::fail(
 					   "Shader stage " +
 					   subgroups::getShaderStageName(caseDef.shaderStage) +
 					   " is required to support subgroup operations!");
 		}
 		else
 		{
 			TCU_THROW(NotSupportedError, "Device does not support subgroup operations for this stage");
 		}
 	}

 	if (VK_SHADER_STAGE_VERTEX_BIT == caseDef.shaderStage)
 		return subgroups::makeVertexFrameBufferTest(context, VK_FORMAT_R32_UINT, DE_NULL, 0, checkVertexPipelineStages);
 	else if (VK_SHADER_STAGE_GEOMETRY_BIT == caseDef.shaderStage)
 		return subgroups::makeGeometryFrameBufferTest(context, VK_FORMAT_R32_UINT, DE_NULL, 0, checkVertexPipelineStages);
 	else if (VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT == caseDef.shaderStage)
 		return subgroups::makeTessellationEvaluationFrameBufferTest(context, VK_FORMAT_R32_UINT, DE_NULL, 0, checkVertexPipelineStages, VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT);
 	else if (VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT == caseDef.shaderStage)
 		return subgroups::makeTessellationEvaluationFrameBufferTest(context,  VK_FORMAT_R32_UINT, DE_NULL, 0, checkVertexPipelineStages, VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT);
 	else
 		TCU_THROW(InternalError, "Unhandled shader stage");
 }


 tcu::TestStatus test(Context& context, const CaseDefinition caseDef)
 {
 	if (!subgroups::isSubgroupFeatureSupportedForDevice(context, VK_SUBGROUP_FEATURE_BASIC_BIT))
 	{
 		return tcu::TestStatus::fail(
 				   "Subgroup feature " +
 				   subgroups::getShaderStageName(VK_SUBGROUP_FEATURE_BASIC_BIT) +
 				   " is a required capability!");
 	}

 	if (VK_SHADER_STAGE_COMPUTE_BIT == caseDef.shaderStage)
 	{
 		if (!subgroups::areSubgroupOperationsSupportedForStage(context, caseDef.shaderStage))
 		{
 			return tcu::TestStatus::fail(
 					   "Shader stage " +
 					   subgroups::getShaderStageName(caseDef.shaderStage) +
 					   " is required to support subgroup operations!");
 		}
 		return subgroups::makeComputeTest(context, VK_FORMAT_R32_UINT, DE_NULL, 0, checkCompute);
 	}
 	else
 	{
 		VkPhysicalDeviceSubgroupProperties subgroupProperties;
 		subgroupProperties.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SUBGROUP_PROPERTIES;
 		subgroupProperties.pNext = DE_NULL;

 		VkPhysicalDeviceProperties2 properties;
 		properties.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2;
 		properties.pNext = &subgroupProperties;

 		context.getInstanceInterface().getPhysicalDeviceProperties2(context.getPhysicalDevice(), &properties);

 		VkShaderStageFlagBits stages = (VkShaderStageFlagBits)(caseDef.shaderStage  & subgroupProperties.supportedStages);

 		if (VK_SHADER_STAGE_FRAGMENT_BIT != stages && !subgroups::isVertexSSBOSupportedForDevice(context))
 		{
 			if ( (stages & VK_SHADER_STAGE_FRAGMENT_BIT) == 0)
 				TCU_THROW(NotSupportedError, "Device does not support vertex stage SSBO writes");
 			else
 				stages = VK_SHADER_STAGE_FRAGMENT_BIT;
 		}

 		if ((VkShaderStageFlagBits)0u == stages)
 			TCU_THROW(NotSupportedError, "Subgroup operations are not supported for any graphic shader");

 		return subgroups::allStages(context, VK_FORMAT_R32_UINT, DE_NULL, 0, checkVertexPipelineStages, stages);
 	}
 }
 }

 namespace vkt
 {
 namespace subgroups
 {
 tcu::TestCaseGroup* createSubgroupsShapeTests(tcu::TestContext& testCtx)
 {
 	de::MovePtr<tcu::TestCaseGroup> graphicGroup(new tcu::TestCaseGroup(
 		testCtx, "graphics", "Subgroup shape category tests: graphics"));
 	de::MovePtr<tcu::TestCaseGroup> computeGroup(new tcu::TestCaseGroup(
 		testCtx, "compute", "Subgroup shape category tests: compute"));
 	de::MovePtr<tcu::TestCaseGroup> framebufferGroup(new tcu::TestCaseGroup(
 		testCtx, "framebuffer", "Subgroup shape category tests: framebuffer"));

 	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,
 	};

 	for (int opTypeIndex = 0; opTypeIndex < OPTYPE_LAST; ++opTypeIndex)
 	{
 		const std::string op = de::toLower(getOpTypeName(opTypeIndex));

 		{
 			const CaseDefinition caseDef = {opTypeIndex, VK_SHADER_STAGE_COMPUTE_BIT, de::SharedPtr<bool>(new bool)};
 			addFunctionCaseWithPrograms(computeGroup.get(), op, "", supportedCheck, initPrograms, test, caseDef);
 		}

 		{
 			const CaseDefinition caseDef =
 			{
 				opTypeIndex,
 				VK_SHADER_STAGE_ALL_GRAPHICS,
 				de::SharedPtr<bool>(new bool)
 			};
 			addFunctionCaseWithPrograms(graphicGroup.get(),
 									op, "",
 									supportedCheck, initPrograms, test, caseDef);
 		}

 		for (int stageIndex = 0; stageIndex < DE_LENGTH_OF_ARRAY(stages); ++stageIndex)
 		{
 			const CaseDefinition caseDef = {opTypeIndex, stages[stageIndex], de::SharedPtr<bool>(new bool)};
 			addFunctionCaseWithPrograms(framebufferGroup.get(),op + "_" + getShaderStageName(caseDef.shaderStage), "",
 										supportedCheck, initFrameBufferPrograms, noSSBOtest, caseDef);
 		}
 	}

 	de::MovePtr<tcu::TestCaseGroup> group(new tcu::TestCaseGroup(
 		testCtx, "shape", "Subgroup shape category tests"));

 	group->addChild(graphicGroup.release());
 	group->addChild(computeGroup.release());
 	group->addChild(framebufferGroup.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 "vktSubgroupsShapeTests.hpp"
	#include "vktSubgroupsTestsUtils.hpp"

	#include <string>
	#include <vector>

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

	namespace
	{
	static bool checkVertexPipelineStages(std::vector<const void*> datas,
	deUint32 width, deUint32)
	{
	return vkt::subgroups::check(datas, width, 1);
	}

	static bool checkCompute(std::vector<const void*> datas,
	const deUint32 numWorkgroups[3], const deUint32 localSize[3],
	deUint32)
	{
	return vkt::subgroups::checkCompute(datas, numWorkgroups, localSize, 1);
	}

	enum OpType
	{
	OPTYPE_CLUSTERED = 0,
	OPTYPE_QUAD,
	OPTYPE_LAST
	};

	std::string getOpTypeName(int opType)
	{
	switch (opType)
	{
	default:
	DE_FATAL("Unsupported op type");
	return "";
	case OPTYPE_CLUSTERED:
	return "clustered";
	case OPTYPE_QUAD:
	return "quad";
	}
	}

	struct CaseDefinition
	{
	int opType;
	VkShaderStageFlags shaderStage;
	de::SharedPtr<bool> geometryPointSizeSupported;
	};

	void initFrameBufferPrograms (SourceCollections& programCollection, CaseDefinition caseDef)
	{
	const vk::ShaderBuildOptions buildOptions (programCollection.usedVulkanVersion, vk::SPIRV_VERSION_1_3, 0u);
	std::ostringstream bdy;
	std::string extension = (OPTYPE_CLUSTERED == caseDef.opType) ?
	"#extension GL_KHR_shader_subgroup_clustered: enable\n" :
	"#extension GL_KHR_shader_subgroup_quad: enable\n";

	subgroups::setFragmentShaderFrameBuffer(programCollection);

	if (VK_SHADER_STAGE_VERTEX_BIT != caseDef.shaderStage)
	subgroups::setVertexShaderFrameBuffer(programCollection);

	extension += "#extension GL_KHR_shader_subgroup_ballot: enable\n";

	bdy << " uint tempResult = 0x1;\n"
	<< " uvec4 mask = subgroupBallot(true);\n";

	if (OPTYPE_CLUSTERED == caseDef.opType)
	{
	for (deUint32 i = 1; i <= subgroups::maxSupportedSubgroupSize(); i *= 2)
	{
	bdy << " if (gl_SubgroupSize >= " << i << ")\n"
	<< " {\n"
	<< " uvec4 contribution = uvec4(0);\n"
	<< " const uint modID = gl_SubgroupInvocationID % 32;\n"
	<< " switch (gl_SubgroupInvocationID / 32)\n"
	<< " {\n"
	<< " case 0: contribution.x = 1 << modID; break;\n"
	<< " case 1: contribution.y = 1 << modID; break;\n"
	<< " case 2: contribution.z = 1 << modID; break;\n"
	<< " case 3: contribution.w = 1 << modID; break;\n"
	<< " }\n"
	<< " uvec4 result = subgroupClusteredOr(contribution, " << i << ");\n"
	<< " uint rootID = gl_SubgroupInvocationID & ~(" << i - 1 << ");\n"
	<< " for (uint i = 0; i < " << i << "; i++)\n"
	<< " {\n"
	<< " uint nextID = rootID + i;\n"
	<< " if (subgroupBallotBitExtract(mask, nextID) ^^ subgroupBallotBitExtract(result, nextID))\n"
	<< " {\n"
	<< " tempResult = 0;\n"
	<< " }\n"
	<< " }\n"
	<< " }\n";
	}
	}
	else
	{
	bdy << " uint cluster[4] =\n"
	<< " {\n"
	<< " subgroupQuadBroadcast(gl_SubgroupInvocationID, 0),\n"
	<< " subgroupQuadBroadcast(gl_SubgroupInvocationID, 1),\n"
	<< " subgroupQuadBroadcast(gl_SubgroupInvocationID, 2),\n"
	<< " subgroupQuadBroadcast(gl_SubgroupInvocationID, 3)\n"
	<< " };\n"
	<< " uint rootID = gl_SubgroupInvocationID & ~0x3;\n"
	<< " for (uint i = 0; i < 4; i++)\n"
	<< " {\n"
	<< " uint nextID = rootID + i;\n"
	<< " if (subgroupBallotBitExtract(mask, nextID) && (cluster[i] != nextID))\n"
	<< " {\n"
	<< " tempResult = mask.x;\n"
	<< " }\n"
	<< " }\n";
	}

	if (VK_SHADER_STAGE_VERTEX_BIT == caseDef.shaderStage)
	{
	std::ostringstream vertexSrc;
	vertexSrc << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_450)<<"\n"
	<< extension
	<< "layout(location = 0) in highp vec4 in_position;\n"
	<< "layout(location = 0) out float result;\n"
	<< "\n"
	<< "void main (void)\n"
	<< "{\n"
	<< bdy.str()
	<< " result = float(tempResult);\n"
	<< " gl_Position = in_position;\n"
	<< " gl_PointSize = 1.0f;\n"
	<< "}\n";
	programCollection.glslSources.add("vert")
	<< glu::VertexSource(vertexSrc.str()) << buildOptions;
	}
	else if (VK_SHADER_STAGE_GEOMETRY_BIT == caseDef.shaderStage)
	{
	std::ostringstream geometry;

	geometry << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_450)<<"\n"
	<< extension
	<< "layout(points) in;\n"
	<< "layout(points, max_vertices = 1) out;\n"
	<< "layout(location = 0) out float out_color;\n"
	<< "\n"
	<< "void main (void)\n"
	<< "{\n"
	<< bdy.str()
	<< " out_color = float(tempResult);\n"
	<< " gl_Position = gl_in[0].gl_Position;\n"
	<< (*caseDef.geometryPointSizeSupported ? " gl_PointSize = gl_in[0].gl_PointSize;\n" : "")
	<< " EmitVertex();\n"
	<< " EndPrimitive();\n"
	<< "}\n";

	programCollection.glslSources.add("geometry")
	<< glu::GeometrySource(geometry.str()) << buildOptions;
	}
	else if (VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT == caseDef.shaderStage)
	{
	std::ostringstream controlSource;

	controlSource << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_450)<<"\n"
	<< extension
	<< "layout(vertices = 2) out;\n"
	<< "layout(location = 0) out float out_color[];\n"
	<< "\n"
	<< "void main (void)\n"
	<< "{\n"
	<< " if (gl_InvocationID == 0)\n"
	<<" {\n"
	<< " gl_TessLevelOuter[0] = 1.0f;\n"
	<< " gl_TessLevelOuter[1] = 1.0f;\n"
	<< " }\n"
	<< bdy.str()
	<< " out_color[gl_InvocationID] = float(tempResult);\n"
	<< " gl_out[gl_InvocationID].gl_Position = gl_in[gl_InvocationID].gl_Position;\n"
	<< "}\n";

	programCollection.glslSources.add("tesc")
	<< glu::TessellationControlSource(controlSource.str()) << buildOptions;
	subgroups::setTesEvalShaderFrameBuffer(programCollection);
	}
	else if (VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT == caseDef.shaderStage)
	{
	std::ostringstream evaluationSource;

	evaluationSource << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_450)<<"\n"
	<< extension
	<< "layout(isolines, equal_spacing, ccw ) in;\n"
	<< "layout(location = 0) out float out_color;\n"
	<< "void main (void)\n"
	<< "{\n"
	<< bdy.str()
	<< " out_color = float(tempResult);\n"
	<< " gl_Position = mix(gl_in[0].gl_Position, gl_in[1].gl_Position, gl_TessCoord.x);\n"
	<< "}\n";

	subgroups::setTesCtrlShaderFrameBuffer(programCollection);
	programCollection.glslSources.add("tese")
	<< glu::TessellationEvaluationSource(evaluationSource.str()) << buildOptions;
	}
	else
	{
	DE_FATAL("Unsupported shader stage");
	}
	}

	void initPrograms(SourceCollections& programCollection, CaseDefinition caseDef)
	{
	std::string extension = (OPTYPE_CLUSTERED == caseDef.opType) ?
	"#extension GL_KHR_shader_subgroup_clustered: enable\n" :
	"#extension GL_KHR_shader_subgroup_quad: enable\n";

	extension += "#extension GL_KHR_shader_subgroup_ballot: enable\n";

	std::ostringstream bdy;

	bdy << " uint tempResult = 0x1;\n"
	<< " uvec4 mask = subgroupBallot(true);\n";

	if (OPTYPE_CLUSTERED == caseDef.opType)
	{
	for (deUint32 i = 1; i <= subgroups::maxSupportedSubgroupSize(); i *= 2)
	{
	bdy << " if (gl_SubgroupSize >= " << i << ")\n"
	<< " {\n"
	<< " uvec4 contribution = uvec4(0);\n"
	<< " const uint modID = gl_SubgroupInvocationID % 32;\n"
	<< " switch (gl_SubgroupInvocationID / 32)\n"
	<< " {\n"
	<< " case 0: contribution.x = 1 << modID; break;\n"
	<< " case 1: contribution.y = 1 << modID; break;\n"
	<< " case 2: contribution.z = 1 << modID; break;\n"
	<< " case 3: contribution.w = 1 << modID; break;\n"
	<< " }\n"
	<< " uvec4 result = subgroupClusteredOr(contribution, " << i << ");\n"
	<< " uint rootID = gl_SubgroupInvocationID & ~(" << i - 1 << ");\n"
	<< " for (uint i = 0; i < " << i << "; i++)\n"
	<< " {\n"
	<< " uint nextID = rootID + i;\n"
	<< " if (subgroupBallotBitExtract(mask, nextID) ^^ subgroupBallotBitExtract(result, nextID))\n"
	<< " {\n"
	<< " tempResult = 0;\n"
	<< " }\n"
	<< " }\n"
	<< " }\n";
	}
	}
	else
	{
	bdy << " uint cluster[4] =\n"
	<< " {\n"
	<< " subgroupQuadBroadcast(gl_SubgroupInvocationID, 0),\n"
	<< " subgroupQuadBroadcast(gl_SubgroupInvocationID, 1),\n"
	<< " subgroupQuadBroadcast(gl_SubgroupInvocationID, 2),\n"
	<< " subgroupQuadBroadcast(gl_SubgroupInvocationID, 3)\n"
	<< " };\n"
	<< " uint rootID = gl_SubgroupInvocationID & ~0x3;\n"
	<< " for (uint i = 0; i < 4; i++)\n"
	<< " {\n"
	<< " uint nextID = rootID + i;\n"
	<< " if (subgroupBallotBitExtract(mask, nextID) && (cluster[i] != nextID))\n"
	<< " {\n"
	<< " tempResult = mask.x;\n"
	<< " }\n"
	<< " }\n";
	}

	if (VK_SHADER_STAGE_COMPUTE_BIT == caseDef.shaderStage)
	{
	std::ostringstream src;

	src << "#version 450\n"
	<< extension
	<< "layout (local_size_x_id = 0, local_size_y_id = 1, "
	"local_size_z_id = 2) in;\n"
	<< "layout(set = 0, binding = 0, std430) buffer Buffer1\n"
	<< "{\n"
	<< " uint result[];\n"
	<< "};\n"
	<< "\n"
	<< "void main (void)\n"
	<< "{\n"
	<< " uvec3 globalSize = gl_NumWorkGroups * gl_WorkGroupSize;\n"
	<< " highp uint offset = globalSize.x * ((globalSize.y * "
	"gl_GlobalInvocationID.z) + gl_GlobalInvocationID.y) + "
	"gl_GlobalInvocationID.x;\n"
	<< bdy.str()
	<< " result[offset] = tempResult;\n"
	<< "}\n";

	programCollection.glslSources.add("comp")
	<< glu::ComputeSource(src.str()) << vk::ShaderBuildOptions(programCollection.usedVulkanVersion, vk::SPIRV_VERSION_1_3, 0u);
	}
	else
	{
	{
	const string vertex =
	"#version 450\n"
	+ extension +
	"layout(set = 0, binding = 0, std430) buffer Buffer1\n"
	"{\n"
	" uint result[];\n"
	"};\n"
	"\n"
	"void main (void)\n"
	"{\n"
	+ bdy.str() +
	" result[gl_VertexIndex] = tempResult;\n"
	" float pixelSize = 2.0f/1024.0f;\n"
	" float pixelPosition = pixelSize/2.0f - 1.0f;\n"
	" gl_Position = vec4(float(gl_VertexIndex) * pixelSize + pixelPosition, 0.0f, 0.0f, 1.0f);\n"
	" gl_PointSize = 1.0f;\n"
	"}\n";

	programCollection.glslSources.add("vert")
	<< glu::VertexSource(vertex) << vk::ShaderBuildOptions(programCollection.usedVulkanVersion, vk::SPIRV_VERSION_1_3, 0u);
	}

	{
	const string tesc =
	"#version 450\n"
	+ extension +
	"layout(vertices=1) out;\n"
	"layout(set = 0, binding = 1, std430) buffer Buffer1\n"
	"{\n"
	" uint result[];\n"
	"};\n"
	"\n"
	"void main (void)\n"
	"{\n"
	+ bdy.str() +
	" result[gl_PrimitiveID] = 1;\n"
	" if (gl_InvocationID == 0)\n"
	" {\n"
	" gl_TessLevelOuter[0] = 1.0f;\n"
	" gl_TessLevelOuter[1] = 1.0f;\n"
	" }\n"
	" gl_out[gl_InvocationID].gl_Position = gl_in[gl_InvocationID].gl_Position;\n"
	"}\n";

	programCollection.glslSources.add("tesc")
	<< glu::TessellationControlSource(tesc) << vk::ShaderBuildOptions(programCollection.usedVulkanVersion, vk::SPIRV_VERSION_1_3, 0u);
	}

	{
	const string tese =
	"#version 450\n"
	+ extension +
	"layout(isolines) in;\n"
	"layout(set = 0, binding = 2, std430) buffer Buffer1\n"
	"{\n"
	" uint result[];\n"
	"};\n"
	"\n"
	"void main (void)\n"
	"{\n"
	+ bdy.str() +
	" result[gl_PrimitiveID * 2 + uint(gl_TessCoord.x + 0.5)] = 1;\n"
	" float pixelSize = 2.0f/1024.0f;\n"
	" gl_Position = gl_in[0].gl_Position + gl_TessCoord.x * pixelSize / 2.0f;\n"
	"}\n";

	programCollection.glslSources.add("tese")
	<< glu::TessellationEvaluationSource(tese) << vk::ShaderBuildOptions(programCollection.usedVulkanVersion, vk::SPIRV_VERSION_1_3, 0u);
	}

	{
	const string geometry =
	"#version 450\n"
	+ extension +
	"layout(${TOPOLOGY}) in;\n"
	"layout(points, max_vertices = 1) out;\n"
	"layout(set = 0, binding = 3, std430) buffer Buffer1\n"
	"{\n"
	" uint result[];\n"
	"};\n"
	"\n"
	"void main (void)\n"
	"{\n"
	+ bdy.str() +
	" result[gl_PrimitiveIDIn] = tempResult;\n"
	" gl_Position = gl_in[0].gl_Position;\n"
	" EmitVertex();\n"
	" EndPrimitive();\n"
	"}\n";

	subgroups::addGeometryShadersFromTemplate(geometry, vk::ShaderBuildOptions(programCollection.usedVulkanVersion, vk::SPIRV_VERSION_1_3, 0u),
	programCollection.glslSources);
	}

	{
	const string fragment =
	"#version 450\n"
	+ extension +
	"layout(location = 0) out uint result;\n"
	"void main (void)\n"
	"{\n"
	+ bdy.str() +
	" result = tempResult;\n"
	"}\n";

	programCollection.glslSources.add("fragment")
	<< glu::FragmentSource(fragment)<< vk::ShaderBuildOptions(programCollection.usedVulkanVersion, vk::SPIRV_VERSION_1_3, 0u);
	}
	subgroups::addNoSubgroupShader(programCollection);
	}
	}

	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_BALLOT_BIT))
	{
	TCU_THROW(NotSupportedError, "Device does not support subgroup ballot operations");
	}

	if (OPTYPE_CLUSTERED == caseDef.opType)
	{
	if (!subgroups::isSubgroupFeatureSupportedForDevice(context, VK_SUBGROUP_FEATURE_CLUSTERED_BIT))
	{
	TCU_THROW(NotSupportedError, "Subgroup shape tests require that clustered operations are supported!");
	}
	}

	if (OPTYPE_QUAD == caseDef.opType)
	{
	if (!subgroups::isSubgroupFeatureSupportedForDevice(context, VK_SUBGROUP_FEATURE_QUAD_BIT))
	{
	TCU_THROW(NotSupportedError, "Subgroup shape tests require that quad operations are supported!");
	}
	}

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

	tcu::TestStatus noSSBOtest (Context& context, const CaseDefinition caseDef)
	{
	if (!subgroups::areSubgroupOperationsSupportedForStage(
	context, caseDef.shaderStage))
	{
	if (subgroups::areSubgroupOperationsRequiredForStage(
	caseDef.shaderStage))
	{
	return tcu::TestStatus::fail(
	"Shader stage " +
	subgroups::getShaderStageName(caseDef.shaderStage) +
	" is required to support subgroup operations!");
	}
	else
	{
	TCU_THROW(NotSupportedError, "Device does not support subgroup operations for this stage");
	}
	}

	if (VK_SHADER_STAGE_VERTEX_BIT == caseDef.shaderStage)
	return subgroups::makeVertexFrameBufferTest(context, VK_FORMAT_R32_UINT, DE_NULL, 0, checkVertexPipelineStages);
	else if (VK_SHADER_STAGE_GEOMETRY_BIT == caseDef.shaderStage)
	return subgroups::makeGeometryFrameBufferTest(context, VK_FORMAT_R32_UINT, DE_NULL, 0, checkVertexPipelineStages);
	else if (VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT == caseDef.shaderStage)
	return subgroups::makeTessellationEvaluationFrameBufferTest(context, VK_FORMAT_R32_UINT, DE_NULL, 0, checkVertexPipelineStages, VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT);
	else if (VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT == caseDef.shaderStage)
	return subgroups::makeTessellationEvaluationFrameBufferTest(context, VK_FORMAT_R32_UINT, DE_NULL, 0, checkVertexPipelineStages, VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT);
	else
	TCU_THROW(InternalError, "Unhandled shader stage");
	}


	tcu::TestStatus test(Context& context, const CaseDefinition caseDef)
	{
	if (!subgroups::isSubgroupFeatureSupportedForDevice(context, VK_SUBGROUP_FEATURE_BASIC_BIT))
	{
	return tcu::TestStatus::fail(
	"Subgroup feature " +
	subgroups::getShaderStageName(VK_SUBGROUP_FEATURE_BASIC_BIT) +
	" is a required capability!");
	}

	if (VK_SHADER_STAGE_COMPUTE_BIT == caseDef.shaderStage)
	{
	if (!subgroups::areSubgroupOperationsSupportedForStage(context, caseDef.shaderStage))
	{
	return tcu::TestStatus::fail(
	"Shader stage " +
	subgroups::getShaderStageName(caseDef.shaderStage) +
	" is required to support subgroup operations!");
	}
	return subgroups::makeComputeTest(context, VK_FORMAT_R32_UINT, DE_NULL, 0, checkCompute);
	}
	else
	{
	VkPhysicalDeviceSubgroupProperties subgroupProperties;
	subgroupProperties.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SUBGROUP_PROPERTIES;
	subgroupProperties.pNext = DE_NULL;

	VkPhysicalDeviceProperties2 properties;
	properties.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2;
	properties.pNext = &subgroupProperties;

	context.getInstanceInterface().getPhysicalDeviceProperties2(context.getPhysicalDevice(), &properties);

	VkShaderStageFlagBits stages = (VkShaderStageFlagBits)(caseDef.shaderStage & subgroupProperties.supportedStages);

	if (VK_SHADER_STAGE_FRAGMENT_BIT != stages && !subgroups::isVertexSSBOSupportedForDevice(context))
	{
	if ( (stages & VK_SHADER_STAGE_FRAGMENT_BIT) == 0)
	TCU_THROW(NotSupportedError, "Device does not support vertex stage SSBO writes");
	else
	stages = VK_SHADER_STAGE_FRAGMENT_BIT;
	}

	if ((VkShaderStageFlagBits)0u == stages)
	TCU_THROW(NotSupportedError, "Subgroup operations are not supported for any graphic shader");

	return subgroups::allStages(context, VK_FORMAT_R32_UINT, DE_NULL, 0, checkVertexPipelineStages, stages);
	}
	}
	}

	namespace vkt
	{
	namespace subgroups
	{
	tcu::TestCaseGroup* createSubgroupsShapeTests(tcu::TestContext& testCtx)
	{
	de::MovePtr<tcu::TestCaseGroup> graphicGroup(new tcu::TestCaseGroup(
	testCtx, "graphics", "Subgroup shape category tests: graphics"));
	de::MovePtr<tcu::TestCaseGroup> computeGroup(new tcu::TestCaseGroup(
	testCtx, "compute", "Subgroup shape category tests: compute"));
	de::MovePtr<tcu::TestCaseGroup> framebufferGroup(new tcu::TestCaseGroup(
	testCtx, "framebuffer", "Subgroup shape category tests: framebuffer"));

	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,
	};

	for (int opTypeIndex = 0; opTypeIndex < OPTYPE_LAST; ++opTypeIndex)
	{
	const std::string op = de::toLower(getOpTypeName(opTypeIndex));

	{
	const CaseDefinition caseDef = {opTypeIndex, VK_SHADER_STAGE_COMPUTE_BIT, de::SharedPtr<bool>(new bool)};
	addFunctionCaseWithPrograms(computeGroup.get(), op, "", supportedCheck, initPrograms, test, caseDef);
	}

	{
	const CaseDefinition caseDef =
	{
	opTypeIndex,
	VK_SHADER_STAGE_ALL_GRAPHICS,
	de::SharedPtr<bool>(new bool)
	};
	addFunctionCaseWithPrograms(graphicGroup.get(),
	op, "",
	supportedCheck, initPrograms, test, caseDef);
	}

	for (int stageIndex = 0; stageIndex < DE_LENGTH_OF_ARRAY(stages); ++stageIndex)
	{
	const CaseDefinition caseDef = {opTypeIndex, stages[stageIndex], de::SharedPtr<bool>(new bool)};
	addFunctionCaseWithPrograms(framebufferGroup.get(),op + "_" + getShaderStageName(caseDef.shaderStage), "",
	supportedCheck, initFrameBufferPrograms, noSSBOtest, caseDef);
	}
	}

	de::MovePtr<tcu::TestCaseGroup> group(new tcu::TestCaseGroup(
	testCtx, "shape", "Subgroup shape category tests"));

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

	return group.release();
	}

	} // subgroups
	} // vkt