blob: 728910f39838dddf5dba713da8d148bde2c243bd [file] [log] [blame]
/*------------------------------------------------------------------------
* OpenGL Conformance Tests
* ------------------------
*
* Copyright (c) 2017-2019 The Khronos Group Inc.
* Copyright (c) 2017 Codeplay Software Ltd.
* Copyright (c) 2019 NVIDIA Corporation.
*
* 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 "glcSubgroupsBallotTests.hpp"
#include "glcSubgroupsTestsUtils.hpp"
#include <string>
#include <vector>
using namespace tcu;
using namespace std;
namespace glc
{
namespace subgroups
{
namespace
{
static bool checkVertexPipelineStages(std::vector<const void*> datas,
deUint32 width, deUint32)
{
return glc::subgroups::check(datas, width, 0x7);
}
static bool checkComputeStage(std::vector<const void*> datas,
const deUint32 numWorkgroups[3], const deUint32 localSize[3],
deUint32)
{
return glc::subgroups::checkCompute(datas, numWorkgroups, localSize, 0x7);
}
struct CaseDefinition
{
glc::subgroups::ShaderStageFlags shaderStage;
};
void initFrameBufferPrograms(SourceCollections& programCollection, CaseDefinition caseDef)
{
std::ostringstream subgroupSizeStr;
subgroupSizeStr << subgroups::maxSupportedSubgroupSize();
subgroups::setFragmentShaderFrameBuffer(programCollection);
if (SHADER_STAGE_VERTEX_BIT != caseDef.shaderStage)
subgroups::setVertexShaderFrameBuffer(programCollection);
if (SHADER_STAGE_VERTEX_BIT == caseDef.shaderStage)
{
const string vertexGLSL =
"${VERSION_DECL}\n"
"#extension GL_KHR_shader_subgroup_ballot: enable\n"
"layout(location = 0) in highp vec4 in_position;\n"
"layout(location = 0) out float out_color;\n"
"layout(binding = 0, std140) uniform Buffer1\n"
"{\n"
" uint data[" + subgroupSizeStr.str() + "];\n"
"};\n"
"\n"
"void main (void)\n"
"{\n"
" uint tempResult = 0u;\n"
" tempResult |= !bool(uvec4(0) == subgroupBallot(true)) ? 0x1u : 0u;\n"
" bool bData = data[gl_SubgroupInvocationID] != 0u;\n"
" tempResult |= !bool(uvec4(0) == subgroupBallot(bData)) ? 0x2u : 0u;\n"
" tempResult |= uvec4(0) == subgroupBallot(false) ? 0x4u : 0u;\n"
" out_color = float(tempResult);\n"
" gl_Position = in_position;\n"
" gl_PointSize = 1.0f;\n"
"}\n";
programCollection.add("vert") << glu::VertexSource(vertexGLSL);
}
else if (SHADER_STAGE_GEOMETRY_BIT == caseDef.shaderStage)
{
const string geometryGLSL =
"${VERSION_DECL}\n"
"#extension GL_KHR_shader_subgroup_ballot: enable\n"
"layout(points) in;\n"
"layout(points, max_vertices = 1) out;\n"
"layout(location = 0) out float out_color;\n"
"layout(binding = 0, std140) uniform Buffer1\n"
"{\n"
" uint data[" + subgroupSizeStr.str() + "];\n"
"};\n"
"\n"
"void main (void)\n"
"{\n"
" uint tempResult = 0u;\n"
" tempResult |= !bool(uvec4(0) == subgroupBallot(true)) ? 0x1u : 0u;\n"
" bool bData = data[gl_SubgroupInvocationID] != 0u;\n"
" tempResult |= !bool(uvec4(0) == subgroupBallot(bData)) ? 0x2u : 0u;\n"
" tempResult |= uvec4(0) == subgroupBallot(false) ? 0x4u : 0u;\n"
" out_color = float(tempResult);\n"
" gl_Position = gl_in[0].gl_Position;\n"
" EmitVertex();\n"
" EndPrimitive();\n"
"}\n";
programCollection.add("geometry") << glu::GeometrySource(geometryGLSL);
}
else if (SHADER_STAGE_TESS_CONTROL_BIT == caseDef.shaderStage)
{
const string controlSourceGLSL =
"${VERSION_DECL}\n"
"#extension GL_KHR_shader_subgroup_ballot: enable\n"
"layout(vertices = 2) out;\n"
"layout(location = 0) out float out_color[];\n"
"layout(binding = 0, std140) uniform Buffer1\n"
"{\n"
" uint data[" + subgroupSizeStr.str() + "];\n"
"};\n"
"\n"
"void main (void)\n"
"{\n"
" if (gl_InvocationID == 0)\n"
" {\n"
" gl_TessLevelOuter[0] = 1.0f;\n"
" gl_TessLevelOuter[1] = 1.0f;\n"
" }\n"
" uint tempResult = 0u;\n"
" tempResult |= !bool(uvec4(0) == subgroupBallot(true)) ? 0x1u : 0u;\n"
" bool bData = data[gl_SubgroupInvocationID] != 0u;\n"
" tempResult |= !bool(uvec4(0) == subgroupBallot(bData)) ? 0x2u : 0u;\n"
" tempResult |= uvec4(0) == subgroupBallot(false) ? 0x4u : 0u;\n"
" out_color[gl_InvocationID] = float(tempResult);\n"
" gl_out[gl_InvocationID].gl_Position = gl_in[gl_InvocationID].gl_Position;\n"
"}\n";
programCollection.add("tesc") << glu::TessellationControlSource(controlSourceGLSL);
subgroups::setTesEvalShaderFrameBuffer(programCollection);
}
else if (SHADER_STAGE_TESS_EVALUATION_BIT == caseDef.shaderStage)
{
const string evaluationSourceGLSL =
"${VERSION_DECL}\n"
"#extension GL_KHR_shader_subgroup_ballot: enable\n"
"layout(isolines, equal_spacing, ccw ) in;\n"
"layout(location = 0) out float out_color;\n"
"layout(binding = 0, std140) uniform Buffer1\n"
"{\n"
" uint data[" + subgroupSizeStr.str() + "];\n"
"};\n"
"\n"
"void main (void)\n"
"{\n"
" uint tempResult = 0u;\n"
" tempResult |= !bool(uvec4(0) == subgroupBallot(true)) ? 0x1u : 0u;\n"
" bool bData = data[gl_SubgroupInvocationID] != 0u;\n"
" tempResult |= !bool(uvec4(0) == subgroupBallot(bData)) ? 0x2u : 0u;\n"
" tempResult |= uvec4(0) == subgroupBallot(false) ? 0x4u : 0u;\n"
" out_color = float(tempResult);\n"
" gl_Position = mix(gl_in[0].gl_Position, gl_in[1].gl_Position, gl_TessCoord.x);\n"
"}\n";
programCollection.add("tese") << glu::TessellationEvaluationSource(evaluationSourceGLSL);
subgroups::setTesCtrlShaderFrameBuffer(programCollection);
}
else
{
DE_FATAL("Unsupported shader stage");
}
}
void initPrograms(SourceCollections& programCollection, CaseDefinition caseDef)
{
if (SHADER_STAGE_COMPUTE_BIT == caseDef.shaderStage)
{
std::ostringstream src;
src << "${VERSION_DECL}\n"
<< "#extension GL_KHR_shader_subgroup_ballot: enable\n"
<< "layout (${LOCAL_SIZE_X}, ${LOCAL_SIZE_Y}, ${LOCAL_SIZE_Z}) in;\n"
<< "layout(binding = 0, std430) buffer Buffer1\n"
<< "{\n"
<< " uint result[];\n"
<< "};\n"
<< "layout(binding = 1, std430) buffer Buffer2\n"
<< "{\n"
<< " uint data[];\n"
<< "};\n"
<< "\n"
<< subgroups::getSharedMemoryBallotHelper()
<< "void main (void)\n"
<< "{\n"
<< " uvec3 globalSize = gl_NumWorkGroups * gl_WorkGroupSize;\n"
<< " highp uint offset = globalSize.x * ((globalSize.y * "
"gl_GlobalInvocationID.z) + gl_GlobalInvocationID.y) + "
"gl_GlobalInvocationID.x;\n"
<< " uint tempResult = 0u;\n"
<< " tempResult |= sharedMemoryBallot(true) == subgroupBallot(true) ? 0x1u : 0u;\n"
<< " bool bData = data[gl_SubgroupInvocationID] != 0u;\n"
<< " tempResult |= sharedMemoryBallot(bData) == subgroupBallot(bData) ? 0x2u : 0u;\n"
<< " tempResult |= uvec4(0) == subgroupBallot(false) ? 0x4u : 0u;\n"
<< " result[offset] = tempResult;\n"
<< "}\n";
programCollection.add("comp") << glu::ComputeSource(src.str());
}
else
{
const string vertex =
"${VERSION_DECL}\n"
"#extension GL_KHR_shader_subgroup_ballot: enable\n"
"layout(binding = 0, std430) buffer Buffer0\n"
"{\n"
" uint result[];\n"
"} b0;\n"
"layout(binding = 4, std430) readonly buffer Buffer4\n"
"{\n"
" uint data[];\n"
"};\n"
"\n"
"void main (void)\n"
"{\n"
" uint tempResult = 0u;\n"
" tempResult |= !bool(uvec4(0) == subgroupBallot(true)) ? 0x1u : 0u;\n"
" bool bData = data[gl_SubgroupInvocationID] != 0u;\n"
" tempResult |= !bool(uvec4(0) == subgroupBallot(bData)) ? 0x2u : 0u;\n"
" tempResult |= uvec4(0) == subgroupBallot(false) ? 0x4u : 0u;\n"
" b0.result[gl_VertexID] = tempResult;\n"
" float pixelSize = 2.0f/1024.0f;\n"
" float pixelPosition = pixelSize/2.0f - 1.0f;\n"
" gl_Position = vec4(float(gl_VertexID) * pixelSize + pixelPosition, 0.0f, 0.0f, 1.0f);\n"
" gl_PointSize = 1.0f;\n"
"}\n";
const string tesc =
"${VERSION_DECL}\n"
"#extension GL_KHR_shader_subgroup_ballot: enable\n"
"layout(vertices=1) out;\n"
"layout(binding = 1, std430) buffer Buffer1\n"
"{\n"
" uint result[];\n"
"} b1;\n"
"layout(binding = 4, std430) readonly buffer Buffer4\n"
"{\n"
" uint data[];\n"
"};\n"
"\n"
"void main (void)\n"
"{\n"
" uint tempResult = 0u;\n"
" tempResult |= !bool(uvec4(0) == subgroupBallot(true)) ? 0x1u : 0u;\n"
" bool bData = data[gl_SubgroupInvocationID] != 0u;\n"
" tempResult |= !bool(uvec4(0) == subgroupBallot(bData)) ? 0x2u : 0u;\n"
" tempResult |= uvec4(0) == subgroupBallot(false) ? 0x4u : 0u;\n"
" b1.result[gl_PrimitiveID] = tempResult;\n"
" if (gl_InvocationID == 0)\n"
" {\n"
" gl_TessLevelOuter[0] = 1.0f;\n"
" gl_TessLevelOuter[1] = 1.0f;\n"
" }\n"
" gl_out[gl_InvocationID].gl_Position = gl_in[gl_InvocationID].gl_Position;\n"
"}\n";
const string tese =
"${VERSION_DECL}\n"
"#extension GL_KHR_shader_subgroup_ballot: enable\n"
"layout(isolines) in;\n"
"layout(binding = 2, std430) buffer Buffer2\n"
"{\n"
" uint result[];\n"
"} b2;\n"
"layout(binding = 4, std430) readonly buffer Buffer4\n"
"{\n"
" uint data[];\n"
"};\n"
"\n"
"void main (void)\n"
"{\n"
" uint tempResult = 0u;\n"
" tempResult |= !bool(uvec4(0) == subgroupBallot(true)) ? 0x1u : 0u;\n"
" bool bData = data[gl_SubgroupInvocationID] != 0u;\n"
" tempResult |= !bool(uvec4(0) == subgroupBallot(bData)) ? 0x2u : 0u;\n"
" tempResult |= uvec4(0) == subgroupBallot(false) ? 0x4u : 0u;\n"
" b2.result[gl_PrimitiveID * 2 + int(gl_TessCoord.x + 0.5)] = tempResult;\n"
" float pixelSize = 2.0f/1024.0f;\n"
" gl_Position = gl_in[0].gl_Position + gl_TessCoord.x * pixelSize / 2.0f;\n"
"}\n";
const string geometry =
// version string added by addGeometryShadersFromTemplate
"#extension GL_KHR_shader_subgroup_ballot: enable\n"
"layout(${TOPOLOGY}) in;\n"
"layout(points, max_vertices = 1) out;\n"
"layout(binding = 3, std430) buffer Buffer3\n"
"{\n"
" uint result[];\n"
"} b3;\n"
"layout(binding = 4, std430) readonly buffer Buffer4\n"
"{\n"
" uint data[];\n"
"};\n"
"\n"
"void main (void)\n"
"{\n"
" uint tempResult = 0u;\n"
" tempResult |= !bool(uvec4(0) == subgroupBallot(true)) ? 0x1u : 0u;\n"
" bool bData = data[gl_SubgroupInvocationID] != 0u;\n"
" tempResult |= !bool(uvec4(0) == subgroupBallot(bData)) ? 0x2u : 0u;\n"
" tempResult |= uvec4(0) == subgroupBallot(false) ? 0x4u : 0u;\n"
" b3.result[gl_PrimitiveIDIn] = tempResult;\n"
" gl_Position = gl_in[0].gl_Position;\n"
" EmitVertex();\n"
" EndPrimitive();\n"
"}\n";
const string fragment =
"${VERSION_DECL}\n"
"#extension GL_KHR_shader_subgroup_ballot: enable\n"
"precision highp int;\n"
"layout(location = 0) out uint result;\n"
"layout(binding = 4, std430) readonly buffer Buffer4\n"
"{\n"
" uint data[];\n"
"};\n"
"void main (void)\n"
"{\n"
" uint tempResult = 0u;\n"
" tempResult |= !bool(uvec4(0) == subgroupBallot(true)) ? 0x1u : 0u;\n"
" bool bData = data[gl_SubgroupInvocationID] != 0u;\n"
" tempResult |= !bool(uvec4(0) == subgroupBallot(bData)) ? 0x2u : 0u;\n"
" tempResult |= uvec4(0) == subgroupBallot(false) ? 0x4u : 0u;\n"
" result = tempResult;\n"
"}\n";
subgroups::addNoSubgroupShader(programCollection);
programCollection.add("vert") << glu::VertexSource(vertex);
programCollection.add("tesc") << glu::TessellationControlSource(tesc);
programCollection.add("tese") << glu::TessellationEvaluationSource(tese);
subgroups::addGeometryShadersFromTemplate(geometry, programCollection);
programCollection.add("fragment") << glu::FragmentSource(fragment);
}
}
void supportedCheck (Context& context, CaseDefinition caseDef)
{
DE_UNREF(caseDef);
if (!subgroups::isSubgroupSupported(context))
TCU_THROW(NotSupportedError, "Subgroup operations are not supported");
if (!subgroups::isSubgroupFeatureSupportedForDevice(context, SUBGROUP_FEATURE_BALLOT_BIT))
{
TCU_THROW(NotSupportedError, "Device does not support subgroup ballot operations");
}
}
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[1];
inputData[0].format = FORMAT_R32_UINT;
inputData[0].layout = subgroups::SSBOData::LayoutStd140;
inputData[0].numElements = subgroups::maxSupportedSubgroupSize();
inputData[0].initializeType = subgroups::SSBOData::InitializeNonZero;
inputData[0].binding = 0u;
if (SHADER_STAGE_VERTEX_BIT == caseDef.shaderStage)
return subgroups::makeVertexFrameBufferTest(context, FORMAT_R32_UINT, inputData, 1, checkVertexPipelineStages);
else if (SHADER_STAGE_GEOMETRY_BIT == caseDef.shaderStage)
return subgroups::makeGeometryFrameBufferTest(context, FORMAT_R32_UINT, inputData, 1, checkVertexPipelineStages);
else if (SHADER_STAGE_TESS_CONTROL_BIT == caseDef.shaderStage)
return subgroups::makeTessellationEvaluationFrameBufferTest(context, FORMAT_R32_UINT, inputData, 1, checkVertexPipelineStages, SHADER_STAGE_TESS_CONTROL_BIT);
else if (SHADER_STAGE_TESS_EVALUATION_BIT == caseDef.shaderStage)
return subgroups::makeTessellationEvaluationFrameBufferTest(context, FORMAT_R32_UINT, inputData, 1, checkVertexPipelineStages, SHADER_STAGE_TESS_EVALUATION_BIT);
else
TCU_THROW(InternalError, "Unhandled shader stage");
}
tcu::TestStatus test(Context& context, const CaseDefinition caseDef)
{
if (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[1];
inputData[0].format = FORMAT_R32_UINT;
inputData[0].layout = subgroups::SSBOData::LayoutStd430;
inputData[0].numElements = subgroups::maxSupportedSubgroupSize();
inputData[0].initializeType = subgroups::SSBOData::InitializeNonZero;
inputData[0].binding = 1u;
return subgroups::makeComputeTest(context, FORMAT_R32_UINT, inputData, 1, checkComputeStage);
}
else
{
int supportedStages = context.getDeqpContext().getContextInfo().getInt(GL_SUBGROUP_SUPPORTED_STAGES_KHR);
ShaderStageFlags stages = (ShaderStageFlags)(caseDef.shaderStage & supportedStages);
if ( SHADER_STAGE_FRAGMENT_BIT != stages && !subgroups::isVertexSSBOSupportedForDevice(context))
{
if ( (stages & SHADER_STAGE_FRAGMENT_BIT) == 0)
TCU_THROW(NotSupportedError, "Device does not support vertex stage SSBO writes");
else
stages = SHADER_STAGE_FRAGMENT_BIT;
}
if ((ShaderStageFlags)0u == stages)
TCU_THROW(NotSupportedError, "Subgroup operations are not supported for any graphic shader");
subgroups::SSBOData inputData;
inputData.format = FORMAT_R32_UINT;
inputData.layout = subgroups::SSBOData::LayoutStd430;
inputData.numElements = subgroups::maxSupportedSubgroupSize();
inputData.initializeType = subgroups::SSBOData::InitializeNonZero;
inputData.binding = 4u;
inputData.stages = stages;
return subgroups::allStages(context, FORMAT_R32_UINT, &inputData, 1, checkVertexPipelineStages, stages);
}
}
}
deqp::TestCaseGroup* createSubgroupsBallotTests(deqp::Context& testCtx)
{
de::MovePtr<deqp::TestCaseGroup> graphicGroup(new deqp::TestCaseGroup(
testCtx, "graphics", "Subgroup ballot category tests: graphics"));
de::MovePtr<deqp::TestCaseGroup> computeGroup(new deqp::TestCaseGroup(
testCtx, "compute", "Subgroup ballot category tests: compute"));
de::MovePtr<deqp::TestCaseGroup> framebufferGroup(new deqp::TestCaseGroup(
testCtx, "framebuffer", "Subgroup ballot category tests: framebuffer"));
const ShaderStageFlags stages[] =
{
SHADER_STAGE_TESS_EVALUATION_BIT,
SHADER_STAGE_TESS_CONTROL_BIT,
SHADER_STAGE_GEOMETRY_BIT,
SHADER_STAGE_VERTEX_BIT
};
{
const CaseDefinition caseDef = {SHADER_STAGE_COMPUTE_BIT};
SubgroupFactory<CaseDefinition>::addFunctionCaseWithPrograms(computeGroup.get(),
getShaderStageName(caseDef.shaderStage), "",
supportedCheck, initPrograms, test, caseDef);
}
{
const CaseDefinition caseDef = {SHADER_STAGE_ALL_GRAPHICS};
SubgroupFactory<CaseDefinition>::addFunctionCaseWithPrograms(graphicGroup.get(), "graphic", "", supportedCheck, initPrograms, test, caseDef);
}
for (int stageIndex = 0; stageIndex < DE_LENGTH_OF_ARRAY(stages); ++stageIndex)
{
const CaseDefinition caseDef = {stages[stageIndex]};
SubgroupFactory<CaseDefinition>::addFunctionCaseWithPrograms(framebufferGroup.get(), getShaderStageName(caseDef.shaderStage), "",
supportedCheck, initFrameBufferPrograms, noSSBOtest, caseDef);
}
de::MovePtr<deqp::TestCaseGroup> group(new deqp::TestCaseGroup(
testCtx, "ballot", "Subgroup ballot category tests"));
group->addChild(graphicGroup.release());
group->addChild(computeGroup.release());
group->addChild(framebufferGroup.release());
return group.release();
}
} // subgroups
} // glc