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/*------------------------------------------------------------------------
* 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 "vktSubgroupsArithmeticTests.hpp"
#include "vktSubgroupsScanHelpers.hpp"
#include "vktSubgroupsTestsUtils.hpp"
#include <string>
#include <vector>
using namespace tcu;
using namespace std;
using namespace vk;
using namespace vkt;
namespace
{
enum OpType
{
OPTYPE_ADD = 0,
OPTYPE_MUL,
OPTYPE_MIN,
OPTYPE_MAX,
OPTYPE_AND,
OPTYPE_OR,
OPTYPE_XOR,
OPTYPE_INCLUSIVE_ADD,
OPTYPE_INCLUSIVE_MUL,
OPTYPE_INCLUSIVE_MIN,
OPTYPE_INCLUSIVE_MAX,
OPTYPE_INCLUSIVE_AND,
OPTYPE_INCLUSIVE_OR,
OPTYPE_INCLUSIVE_XOR,
OPTYPE_EXCLUSIVE_ADD,
OPTYPE_EXCLUSIVE_MUL,
OPTYPE_EXCLUSIVE_MIN,
OPTYPE_EXCLUSIVE_MAX,
OPTYPE_EXCLUSIVE_AND,
OPTYPE_EXCLUSIVE_OR,
OPTYPE_EXCLUSIVE_XOR,
OPTYPE_LAST
};
static Operator getOperator(OpType t)
{
switch (t)
{
case OPTYPE_ADD:
case OPTYPE_INCLUSIVE_ADD:
case OPTYPE_EXCLUSIVE_ADD:
return OPERATOR_ADD;
case OPTYPE_MUL:
case OPTYPE_INCLUSIVE_MUL:
case OPTYPE_EXCLUSIVE_MUL:
return OPERATOR_MUL;
case OPTYPE_MIN:
case OPTYPE_INCLUSIVE_MIN:
case OPTYPE_EXCLUSIVE_MIN:
return OPERATOR_MIN;
case OPTYPE_MAX:
case OPTYPE_INCLUSIVE_MAX:
case OPTYPE_EXCLUSIVE_MAX:
return OPERATOR_MAX;
case OPTYPE_AND:
case OPTYPE_INCLUSIVE_AND:
case OPTYPE_EXCLUSIVE_AND:
return OPERATOR_AND;
case OPTYPE_OR:
case OPTYPE_INCLUSIVE_OR:
case OPTYPE_EXCLUSIVE_OR:
return OPERATOR_OR;
case OPTYPE_XOR:
case OPTYPE_INCLUSIVE_XOR:
case OPTYPE_EXCLUSIVE_XOR:
return OPERATOR_XOR;
default:
DE_FATAL("Unsupported op type");
return OPERATOR_ADD;
}
}
static ScanType getScanType(OpType t)
{
switch (t)
{
case OPTYPE_ADD:
case OPTYPE_MUL:
case OPTYPE_MIN:
case OPTYPE_MAX:
case OPTYPE_AND:
case OPTYPE_OR:
case OPTYPE_XOR:
return SCAN_REDUCE;
case OPTYPE_INCLUSIVE_ADD:
case OPTYPE_INCLUSIVE_MUL:
case OPTYPE_INCLUSIVE_MIN:
case OPTYPE_INCLUSIVE_MAX:
case OPTYPE_INCLUSIVE_AND:
case OPTYPE_INCLUSIVE_OR:
case OPTYPE_INCLUSIVE_XOR:
return SCAN_INCLUSIVE;
case OPTYPE_EXCLUSIVE_ADD:
case OPTYPE_EXCLUSIVE_MUL:
case OPTYPE_EXCLUSIVE_MIN:
case OPTYPE_EXCLUSIVE_MAX:
case OPTYPE_EXCLUSIVE_AND:
case OPTYPE_EXCLUSIVE_OR:
case OPTYPE_EXCLUSIVE_XOR:
return SCAN_EXCLUSIVE;
default:
DE_FATAL("Unsupported op type");
return SCAN_REDUCE;
}
}
static bool checkVertexPipelineStages(const void* internalData, std::vector<const void*> datas,
deUint32 width, deUint32)
{
DE_UNREF(internalData);
return vkt::subgroups::check(datas, width, 0x3);
}
static bool checkCompute(const void* internalData, std::vector<const void*> datas,
const deUint32 numWorkgroups[3], const deUint32 localSize[3],
deUint32)
{
DE_UNREF(internalData);
return vkt::subgroups::checkCompute(datas, numWorkgroups, localSize, 0x3);
}
std::string getOpTypeName(Operator op, ScanType scanType)
{
return getScanOpName("subgroup", "", op, scanType);
}
struct CaseDefinition
{
Operator op;
ScanType scanType;
VkShaderStageFlags shaderStage;
VkFormat format;
de::SharedPtr<bool> geometryPointSizeSupported;
deBool requiredSubgroupSize;
};
std::string getExtHeader(CaseDefinition caseDef)
{
return "#extension GL_KHR_shader_subgroup_arithmetic: enable\n"
"#extension GL_KHR_shader_subgroup_ballot: enable\n" +
subgroups::getAdditionalExtensionForFormat(caseDef.format);
}
std::string getIndexVars(CaseDefinition caseDef)
{
switch (caseDef.scanType)
{
case SCAN_REDUCE:
return " uint start = 0, end = gl_SubgroupSize;\n";
case SCAN_INCLUSIVE:
return " uint start = 0, end = gl_SubgroupInvocationID + 1;\n";
case SCAN_EXCLUSIVE:
return " uint start = 0, end = gl_SubgroupInvocationID;\n";
}
DE_FATAL("Unreachable");
return "";
}
std::string getTestSrc(CaseDefinition caseDef)
{
std::string indexVars = getIndexVars(caseDef);
return " uvec4 mask = subgroupBallot(true);\n"
+ indexVars +
" " + subgroups::getFormatNameForGLSL(caseDef.format) + " ref = "
+ getIdentity(caseDef.op, caseDef.format) + ";\n"
" tempRes = 0;\n"
" for (uint index = start; index < end; index++)\n"
" {\n"
" if (subgroupBallotBitExtract(mask, index))\n"
" {\n"
" ref = " + getOpOperation(caseDef.op, caseDef.format, "ref", "data[index]") + ";\n"
" }\n"
" }\n"
" tempRes = " + getCompare(caseDef.op, caseDef.format, "ref", getOpTypeName(caseDef.op, caseDef.scanType) + "(data[gl_SubgroupInvocationID])") + " ? 0x1 : 0;\n"
" if (1 == (gl_SubgroupInvocationID % 2))\n"
" {\n"
" mask = subgroupBallot(true);\n"
" ref = " + getIdentity(caseDef.op, caseDef.format) + ";\n"
" for (uint index = start; index < end; index++)\n"
" {\n"
" if (subgroupBallotBitExtract(mask, index))\n"
" {\n"
" ref = " + getOpOperation(caseDef.op, caseDef.format, "ref", "data[index]") + ";\n"
" }\n"
" }\n"
" tempRes |= " + getCompare(caseDef.op, caseDef.format, "ref", getOpTypeName(caseDef.op, caseDef.scanType) + "(data[gl_SubgroupInvocationID])") + " ? 0x2 : 0;\n"
" }\n"
" else\n"
" {\n"
" tempRes |= 0x2;\n"
" }\n";
}
void initFrameBufferPrograms(SourceCollections& programCollection, CaseDefinition caseDef)
{
const vk::ShaderBuildOptions buildOptions (programCollection.usedVulkanVersion, vk::SPIRV_VERSION_1_3, 0u);
std::string extHeader = getExtHeader(caseDef);
std::string testSrc = getTestSrc(caseDef);
subgroups::initStdFrameBufferPrograms(programCollection, buildOptions, caseDef.shaderStage, caseDef.format, *caseDef.geometryPointSizeSupported, extHeader, testSrc, "");
}
void initPrograms(SourceCollections& programCollection, CaseDefinition caseDef)
{
const vk::ShaderBuildOptions buildOptions (programCollection.usedVulkanVersion, vk::SPIRV_VERSION_1_3, 0u);
std::string extHeader = getExtHeader(caseDef);
std::string testSrc = getTestSrc(caseDef);
subgroups::initStdPrograms(programCollection, buildOptions, caseDef.shaderStage, caseDef.format, 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_ARITHMETIC_BIT))
TCU_THROW(NotSupportedError, "Device does not support subgroup arithmetic operations");
if (!subgroups::isFormatSupportedForDevice(context, caseDef.format))
TCU_THROW(NotSupportedError, "Device does not support the specified format in subgroup operations");
if (caseDef.requiredSubgroupSize)
{
if (!context.requireDeviceFunctionality("VK_EXT_subgroup_size_control"))
TCU_THROW(NotSupportedError, "Device does not support VK_EXT_subgroup_size_control extension");
VkPhysicalDeviceSubgroupSizeControlFeaturesEXT subgroupSizeControlFeatures;
subgroupSizeControlFeatures.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SUBGROUP_SIZE_CONTROL_FEATURES_EXT;
subgroupSizeControlFeatures.pNext = DE_NULL;
VkPhysicalDeviceFeatures2 features;
features.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2;
features.pNext = &subgroupSizeControlFeatures;
context.getInstanceInterface().getPhysicalDeviceFeatures2(context.getPhysicalDevice(), &features);
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");
}
*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");
}
}
subgroups::SSBOData inputData;
inputData.format = caseDef.format;
inputData.layout = subgroups::SSBOData::LayoutStd140;
inputData.numElements = subgroups::maxSupportedSubgroupSize();
inputData.initializeType = subgroups::SSBOData::InitializeNonZero;
if (VK_SHADER_STAGE_VERTEX_BIT == caseDef.shaderStage)
return subgroups::makeVertexFrameBufferTest(context, VK_FORMAT_R32_UINT, &inputData, 1, DE_NULL, checkVertexPipelineStages);
else if (VK_SHADER_STAGE_GEOMETRY_BIT == caseDef.shaderStage)
return subgroups::makeGeometryFrameBufferTest(context, VK_FORMAT_R32_UINT, &inputData, 1, DE_NULL, checkVertexPipelineStages);
else if (VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT == caseDef.shaderStage)
return subgroups::makeTessellationEvaluationFrameBufferTest(context, VK_FORMAT_R32_UINT, &inputData, 1, DE_NULL, 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, &inputData, 1, DE_NULL, checkVertexPipelineStages, VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT);
else
TCU_THROW(InternalError, "Unhandled shader stage");
}
tcu::TestStatus test(Context& context, const CaseDefinition caseDef)
{
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!");
}
subgroups::SSBOData inputData;
inputData.format = caseDef.format;
inputData.layout = subgroups::SSBOData::LayoutStd430;
inputData.numElements = subgroups::maxSupportedSubgroupSize();
inputData.initializeType = subgroups::SSBOData::InitializeNonZero;
if (caseDef.requiredSubgroupSize == DE_FALSE)
return subgroups::makeComputeTest(context, VK_FORMAT_R32_UINT, &inputData, 1, DE_NULL, checkCompute);
tcu::TestLog& log = context.getTestContext().getLog();
VkPhysicalDeviceSubgroupSizeControlPropertiesEXT subgroupSizeControlProperties;
subgroupSizeControlProperties.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SUBGROUP_SIZE_CONTROL_PROPERTIES_EXT;
subgroupSizeControlProperties.pNext = DE_NULL;
VkPhysicalDeviceProperties2 properties;
properties.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2;
properties.pNext = &subgroupSizeControlProperties;
context.getInstanceInterface().getPhysicalDeviceProperties2(context.getPhysicalDevice(), &properties);
log << tcu::TestLog::Message << "Testing required subgroup size range [" << subgroupSizeControlProperties.minSubgroupSize << ", "
<< subgroupSizeControlProperties.maxSubgroupSize << "]" << tcu::TestLog::EndMessage;
// According to the spec, requiredSubgroupSize must be a power-of-two integer.
for (deUint32 size = subgroupSizeControlProperties.minSubgroupSize; size <= subgroupSizeControlProperties.maxSubgroupSize; size *= 2)
{
tcu::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 << tcu::TestLog::Message << "subgroupSize " << size << " failed" << tcu::TestLog::EndMessage;
return result;
}
}
return tcu::TestStatus::pass("OK");
}
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");
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);
}
}
}
namespace vkt
{
namespace subgroups
{
tcu::TestCaseGroup* createSubgroupsArithmeticTests(tcu::TestContext& testCtx)
{
de::MovePtr<tcu::TestCaseGroup> graphicGroup(new tcu::TestCaseGroup(
testCtx, "graphics", "Subgroup arithmetic category tests: graphics"));
de::MovePtr<tcu::TestCaseGroup> computeGroup(new tcu::TestCaseGroup(
testCtx, "compute", "Subgroup arithmetic category tests: compute"));
de::MovePtr<tcu::TestCaseGroup> framebufferGroup(new tcu::TestCaseGroup(
testCtx, "framebuffer", "Subgroup arithmetic 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,
};
const std::vector<VkFormat> formats = subgroups::getAllFormats();
for (size_t formatIndex = 0; formatIndex < formats.size(); ++formatIndex)
{
const VkFormat format = formats[formatIndex];
for (int opTypeIndex = 0; opTypeIndex < OPTYPE_LAST; ++opTypeIndex)
{
bool isBool = subgroups::isFormatBool(format);
bool isFloat = subgroups::isFormatFloat(format);
OpType opType = static_cast<OpType>(opTypeIndex);
Operator op = getOperator(opType);
ScanType st = getScanType(opType);
bool isBitwiseOp = (op == OPERATOR_AND || op == OPERATOR_OR || op == OPERATOR_XOR);
// Skip float with bitwise category.
if (isFloat && isBitwiseOp)
continue;
// Skip bool when its not the bitwise category.
if (isBool && !isBitwiseOp)
continue;
const std::string name = de::toLower(getOpTypeName(op, st)) + "_" + subgroups::getFormatNameForGLSL(format);
{
CaseDefinition caseDef = {op, st, VK_SHADER_STAGE_COMPUTE_BIT, format, de::SharedPtr<bool>(new bool), DE_FALSE};
addFunctionCaseWithPrograms(computeGroup.get(), name,
"", supportedCheck, initPrograms, test, caseDef);
caseDef.requiredSubgroupSize = DE_TRUE;
addFunctionCaseWithPrograms(computeGroup.get(), name + "_requiredsubgroupsize",
"", supportedCheck, initPrograms, test, caseDef);
}
{
const CaseDefinition caseDef = {op, st, VK_SHADER_STAGE_ALL_GRAPHICS, format, de::SharedPtr<bool>(new bool), DE_FALSE};
addFunctionCaseWithPrograms(graphicGroup.get(), name,
"", supportedCheck, initPrograms, test, caseDef);
}
for (int stageIndex = 0; stageIndex < DE_LENGTH_OF_ARRAY(stages); ++stageIndex)
{
const CaseDefinition caseDef = {op, st, stages[stageIndex], format, de::SharedPtr<bool>(new bool), DE_FALSE};
addFunctionCaseWithPrograms(framebufferGroup.get(), name +
"_" + getShaderStageName(caseDef.shaderStage), "",
supportedCheck, initFrameBufferPrograms, noSSBOtest, caseDef);
}
}
}
de::MovePtr<tcu::TestCaseGroup> group(new tcu::TestCaseGroup(
testCtx, "arithmetic", "Subgroup arithmetic category tests"));
group->addChild(graphicGroup.release());
group->addChild(computeGroup.release());
group->addChild(framebufferGroup.release());
return group.release();
}
} // subgroups
} // vkt