kc3-lang/angle/src/tests/deqp_support/glcShaderConstExprTests_override.cpp

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• Author : James Darpinian
  Date : 2019-12-05 17:46:23
  Hash : d6053daa
  Message : Remove tabs from source files. WebKit's Subversion repo refuses to commit source files that contain tabs. Bug: angleproject:3439 Change-Id: I0a804bcfa0375a98e19945e20297c90d31106827 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1954410 Commit-Queue: James Darpinian <jdarpinian@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>

• src/tests/deqp_support/glcShaderConstExprTests_override.cpp

• /*-------------------------------------------------------------------------
   * OpenGL Conformance Test Suite
   * -----------------------------
   *
   * Copyright (c) 2017 The Khronos Group Inc.
   *
   * 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  glcShaderConstExprTests.cpp
   * \brief Declares shader constant expressions tests.
   */ /*-------------------------------------------------------------------*/
  
  #include <map>
  #include "deMath.h"
  #include "deSharedPtr.hpp"
  #include "glcShaderConstExprTests.hpp"
  #include "glsShaderExecUtil.hpp"
  #include "gluContextInfo.hpp"
  #include "gluShaderUtil.hpp"
  #include "tcuFloat.hpp"
  #include "tcuStringTemplate.hpp"
  #include "tcuTestLog.hpp"
  
  using namespace deqp::gls::ShaderExecUtil;
  
  namespace glcts
  {
  
  namespace ShaderConstExpr
  {
  
  struct TestParams
  {
      const char *name;
      const char *expression;
  
      glu::DataType inType;
      int minComponents;
      int maxComponents;
  
      glu::DataType outType;
      union
      {
          float outputFloat;
          int outputInt;
      };
  };
  
  struct ShaderExecutorParams
  {
      deqp::Context *context;
  
      std::string caseName;
      std::string source;
  
      glu::DataType outType;
      union
      {
          float outputFloat;
          int outputInt;
      };
  };
  
  template <typename OutputType>
  class ExecutorTestCase : public deqp::TestCase
  {
    public:
      ExecutorTestCase(deqp::Context &context,
                       const char *name,
                       glu::ShaderType shaderType,
                       const ShaderSpec &shaderSpec,
                       OutputType expectedOutput);
      virtual ~ExecutorTestCase(void);
      virtual tcu::TestNode::IterateResult iterate(void);
  
    protected:
      void validateOutput(de::SharedPtr<ShaderExecutor> executor);
  
      glu::ShaderType m_shaderType;
      ShaderSpec m_shaderSpec;
      OutputType m_expectedOutput;
  };
  
  template <typename OutputType>
  ExecutorTestCase<OutputType>::ExecutorTestCase(deqp::Context &context,
                                                 const char *name,
                                                 glu::ShaderType shaderType,
                                                 const ShaderSpec &shaderSpec,
                                                 OutputType expectedOutput)
      : deqp::TestCase(context, name, ""),
        m_shaderType(shaderType),
        m_shaderSpec(shaderSpec),
        m_expectedOutput(expectedOutput)
  {}
  
  template <typename OutputType>
  ExecutorTestCase<OutputType>::~ExecutorTestCase(void)
  {}
  
  template <>
  void ExecutorTestCase<float>::validateOutput(de::SharedPtr<ShaderExecutor> executor)
  {
      float result        = 0.0f;
      void *const outputs = &result;
      executor->execute(1, DE_NULL, &outputs);
  
      const float epsilon = 0.01f;
      if (de::abs(m_expectedOutput - result) > epsilon)
      {
          m_context.getTestContext().getLog()
              << tcu::TestLog::Message << "Expected: " << m_expectedOutput << " ("
              << tcu::toHex(tcu::Float32(m_expectedOutput).bits())
              << ") but constant expresion returned: " << result << " ("
              << tcu::toHex(tcu::Float32(result).bits()) << "), used " << epsilon
              << " epsilon for comparison" << tcu::TestLog::EndMessage;
          m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Fail");
          return;
      }
  
      m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
      return;
  }
  
  template <>
  void ExecutorTestCase<int>::validateOutput(de::SharedPtr<ShaderExecutor> executor)
  {
      int result          = 0;
      void *const outputs = &result;
      executor->execute(1, DE_NULL, &outputs);
  
      if (result == m_expectedOutput)
      {
          m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
          return;
      }
  
      m_context.getTestContext().getLog()
          << tcu::TestLog::Message << "Expected: " << m_expectedOutput
          << " but constant expresion returned: " << result << tcu::TestLog::EndMessage;
      m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Fail");
  }
  
  template <typename OutputType>
  tcu::TestNode::IterateResult ExecutorTestCase<OutputType>::iterate(void)
  {
      de::SharedPtr<ShaderExecutor> executor(
          createExecutor(m_context.getRenderContext(), m_shaderType, m_shaderSpec));
  
      DE_ASSERT(executor.get());
  
      executor->log(m_context.getTestContext().getLog());
  
      try
      {
          if (!executor->isOk())
              TCU_FAIL("Compilation failed");
  
          executor->useProgram();
  
          validateOutput(executor);
      }
      catch (const tcu::NotSupportedError &e)
      {
          m_testCtx.getLog() << tcu::TestLog::Message << e.what() << tcu::TestLog::EndMessage;
          m_testCtx.setTestResult(QP_TEST_RESULT_NOT_SUPPORTED, e.getMessage());
      }
      catch (const tcu::TestError &e)
      {
          m_testCtx.getLog() << tcu::TestLog::Message << e.what() << tcu::TestLog::EndMessage;
          m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, e.getMessage());
      }
  
      return tcu::TestNode::STOP;
  }
  
  template <typename OutputType>
  void createTestCasesForAllShaderTypes(const ShaderExecutorParams &params,
                                        std::vector<tcu::TestNode *> &outputTests)
  {
      DE_ASSERT(params.context);
  
      deqp::Context &context       = *(params.context);
      glu::ContextType contextType = context.getRenderContext().getType();
  
      ShaderSpec shaderSpec;
      shaderSpec.version = glu::getContextTypeGLSLVersion(contextType);
      shaderSpec.source  = params.source;
      shaderSpec.outputs.push_back(
          Symbol("out0", glu::VarType(params.outType, glu::PRECISION_HIGHP)));
  
      // Construct list of shaders for which tests can be created
      std::vector<glu::ShaderType> shaderTypes;
  
      if (glu::contextSupports(contextType, glu::ApiType::core(4, 3)))
      {
          shaderTypes.push_back(glu::SHADERTYPE_VERTEX);
          shaderTypes.push_back(glu::SHADERTYPE_FRAGMENT);
          shaderTypes.push_back(glu::SHADERTYPE_COMPUTE);
          shaderTypes.push_back(glu::SHADERTYPE_GEOMETRY);
          shaderTypes.push_back(glu::SHADERTYPE_TESSELLATION_CONTROL);
          shaderTypes.push_back(glu::SHADERTYPE_TESSELLATION_EVALUATION);
      }
      else if (glu::contextSupports(contextType, glu::ApiType::es(3, 2)))
      {
          shaderSpec.version = glu::GLSL_VERSION_320_ES;
          shaderTypes.push_back(glu::SHADERTYPE_GEOMETRY);
          shaderTypes.push_back(glu::SHADERTYPE_TESSELLATION_CONTROL);
          shaderTypes.push_back(glu::SHADERTYPE_TESSELLATION_EVALUATION);
      }
      else if (glu::contextSupports(contextType, glu::ApiType::es(3, 1)))
      {
          shaderSpec.version = glu::GLSL_VERSION_310_ES;
          shaderTypes.push_back(glu::SHADERTYPE_COMPUTE);
          shaderTypes.push_back(glu::SHADERTYPE_GEOMETRY);
          shaderTypes.push_back(glu::SHADERTYPE_TESSELLATION_CONTROL);
          shaderTypes.push_back(glu::SHADERTYPE_TESSELLATION_EVALUATION);
      }
      else
      {
          shaderTypes.push_back(glu::SHADERTYPE_VERTEX);
          shaderTypes.push_back(glu::SHADERTYPE_FRAGMENT);
      }
  
      shaderSpec.globalDeclarations += "precision highp float;\n";
  
      for (std::size_t typeIndex = 0; typeIndex < shaderTypes.size(); ++typeIndex)
      {
          glu::ShaderType shaderType = shaderTypes[typeIndex];
          std::string caseName(params.caseName + '_' + getShaderTypeName(shaderType));
  
          outputTests.push_back(
              new ExecutorTestCase<OutputType>(context, caseName.c_str(), shaderType, shaderSpec,
                                               static_cast<OutputType>(params.outputFloat)));
      }
  }
  
  void createTests(deqp::Context &context,
                   const TestParams *cases,
                   int numCases,
                   const char *shaderTemplateSrc,
                   const char *casePrefix,
                   std::vector<tcu::TestNode *> &outputTests)
  {
      const tcu::StringTemplate shaderTemplate(shaderTemplateSrc);
      const char *componentAccess[] = {"", ".y", ".z", ".w"};
  
      ShaderExecutorParams shaderExecutorParams;
      shaderExecutorParams.context = &context;
  
      for (int caseIndex = 0; caseIndex < numCases; caseIndex++)
      {
          const TestParams &testCase   = cases[caseIndex];
          const std::string baseName   = testCase.name;
          const int minComponents      = testCase.minComponents;
          const int maxComponents      = testCase.maxComponents;
          const glu::DataType inType   = testCase.inType;
          const std::string expression = testCase.expression;
  
          // Check for presence of func(vec, scalar) style specialization,
          // use as gatekeeper for applying said specialization
          const bool alwaysScalar = expression.find("${MT}") != std::string::npos;
  
          std::map<std::string, std::string> shaderTemplateParams;
          shaderTemplateParams["CASE_BASE_TYPE"] = glu::getDataTypeName(testCase.outType);
  
          shaderExecutorParams.outType     = testCase.outType;
          shaderExecutorParams.outputFloat = testCase.outputFloat;
  
          for (int component = minComponents - 1; component < maxComponents; component++)
          {
              // Get type name eg. float, vec2, vec3, vec4 (same for other primitive types)
              glu::DataType dataType = static_cast<glu::DataType>(inType + component);
              std::string typeName   = glu::getDataTypeName(dataType);
  
              // ${T} => final type, ${MT} => final type but with scalar version usable even when T is
              // a vector
              std::map<std::string, std::string> expressionTemplateParams;
              expressionTemplateParams["T"]  = typeName;
              expressionTemplateParams["MT"] = typeName;
  
              const tcu::StringTemplate expressionTemplate(expression);
  
              // Add vector access to expression as needed
              shaderTemplateParams["CASE_EXPRESSION"] =
                  expressionTemplate.specialize(expressionTemplateParams) +
                  componentAccess[component];
  
              {
                  // Add type to case name if we are generating multiple versions
                  shaderExecutorParams.caseName = (casePrefix + baseName);
                  if (minComponents != maxComponents)
                      shaderExecutorParams.caseName += ("_" + typeName);
  
                  shaderExecutorParams.source = shaderTemplate.specialize(shaderTemplateParams);
                  if (shaderExecutorParams.outType == glu::TYPE_FLOAT)
                      createTestCasesForAllShaderTypes<float>(shaderExecutorParams, outputTests);
                  else
                      createTestCasesForAllShaderTypes<int>(shaderExecutorParams, outputTests);
              }
  
              // Deal with functions that allways accept one ore more scalar parameters even when
              // others are vectors
              if (alwaysScalar && component > 0)
              {
                  shaderExecutorParams.caseName =
                      casePrefix + baseName + "_" + typeName + "_" + glu::getDataTypeName(inType);
  
                  expressionTemplateParams["MT"] = glu::getDataTypeName(inType);
                  shaderTemplateParams["CASE_EXPRESSION"] =
                      expressionTemplate.specialize(expressionTemplateParams) +
                      componentAccess[component];
  
                  shaderExecutorParams.source = shaderTemplate.specialize(shaderTemplateParams);
                  if (shaderExecutorParams.outType == glu::TYPE_FLOAT)
                      createTestCasesForAllShaderTypes<float>(shaderExecutorParams, outputTests);
                  else
                      createTestCasesForAllShaderTypes<int>(shaderExecutorParams, outputTests);
              }
          }  // component loop
      }
  }
  
  }  // namespace ShaderConstExpr
  
  ShaderConstExprTests::ShaderConstExprTests(deqp::Context &context)
      : deqp::TestCaseGroup(context, "constant_expressions", "Constant expressions")
  {}
  
  ShaderConstExprTests::~ShaderConstExprTests(void) {}
  
  void ShaderConstExprTests::init(void)
  {
      // Needed for autogenerating shader code for increased component counts
      DE_STATIC_ASSERT(glu::TYPE_FLOAT + 1 == glu::TYPE_FLOAT_VEC2);
      DE_STATIC_ASSERT(glu::TYPE_FLOAT + 2 == glu::TYPE_FLOAT_VEC3);
      DE_STATIC_ASSERT(glu::TYPE_FLOAT + 3 == glu::TYPE_FLOAT_VEC4);
  
      DE_STATIC_ASSERT(glu::TYPE_INT + 1 == glu::TYPE_INT_VEC2);
      DE_STATIC_ASSERT(glu::TYPE_INT + 2 == glu::TYPE_INT_VEC3);
      DE_STATIC_ASSERT(glu::TYPE_INT + 3 == glu::TYPE_INT_VEC4);
  
      DE_STATIC_ASSERT(glu::TYPE_UINT + 1 == glu::TYPE_UINT_VEC2);
      DE_STATIC_ASSERT(glu::TYPE_UINT + 2 == glu::TYPE_UINT_VEC3);
      DE_STATIC_ASSERT(glu::TYPE_UINT + 3 == glu::TYPE_UINT_VEC4);
  
      DE_STATIC_ASSERT(glu::TYPE_BOOL + 1 == glu::TYPE_BOOL_VEC2);
      DE_STATIC_ASSERT(glu::TYPE_BOOL + 2 == glu::TYPE_BOOL_VEC3);
      DE_STATIC_ASSERT(glu::TYPE_BOOL + 3 == glu::TYPE_BOOL_VEC4);
  
      // ${T} => final type, ${MT} => final type but with scalar version usable even when T is a
      // vector
      const ShaderConstExpr::TestParams baseCases[] = {
          {"radians",
           "radians(${T} (90.0))",
           glu::TYPE_FLOAT,
           1,
           4,
           glu::TYPE_FLOAT,
           {deFloatRadians(90.0f)}},
          {"degrees",
           "degrees(${T} (2.0))",
           glu::TYPE_FLOAT,
           1,
           4,
           glu::TYPE_FLOAT,
           {deFloatDegrees(2.0f)}},
          {"sin", "sin(${T} (3.0))", glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, {deFloatSin(3.0f)}},
          {"cos", "cos(${T} (3.2))", glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, {deFloatCos(3.2f)}},
          {"asin", "asin(${T} (0.0))", glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, {deFloatAsin(0.0f)}},
          {"acos", "acos(${T} (1.0))", glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, {deFloatAcos(1.0f)}},
          {"pow",
           "pow(${T} (1.7), ${T} (3.5))",
           glu::TYPE_FLOAT,
           1,
           4,
           glu::TYPE_FLOAT,
           {deFloatPow(1.7f, 3.5f)}},
          {"exp", "exp(${T} (4.2))", glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, {deFloatExp(4.2f)}},
          {"log", "log(${T} (42.12))", glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, {deFloatLog(42.12f)}},
          {"exp2", "exp2(${T} (6.7))", glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, {deFloatExp2(6.7f)}},
          {"log2",
           "log2(${T} (100.0))",
           glu::TYPE_FLOAT,
           1,
           4,
           glu::TYPE_FLOAT,
           {deFloatLog2(100.0f)}},
          {"sqrt", "sqrt(${T} (10.0))", glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, {deFloatSqrt(10.0f)}},
          {"inversesqrt",
           "inversesqrt(${T} (10.0))",
           glu::TYPE_FLOAT,
           1,
           4,
           glu::TYPE_FLOAT,
           {deFloatRsq(10.0f)}},
          {"abs", "abs(${T} (-42))", glu::TYPE_INT, 1, 4, glu::TYPE_INT, {42}},
          {"sign", "sign(${T} (-18.0))", glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, {-1.0f}},
          {"floor",
           "floor(${T} (37.3))",
           glu::TYPE_FLOAT,
           1,
           4,
           glu::TYPE_FLOAT,
           {deFloatFloor(37.3f)}},
          {"trunc", "trunc(${T} (-1.8))", glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, {-1.0f}},
          {"round", "round(${T} (42.1))", glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, {42.0f}},
          {"ceil", "ceil(${T} (82.2))", glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, {deFloatCeil(82.2f)}},
          {"mod",
           "mod(${T} (87.65), ${MT} (3.7))",
           glu::TYPE_FLOAT,
           1,
           4,
           glu::TYPE_FLOAT,
           {deFloatMod(87.65f, 3.7f)}},
          {"min", "min(${T} (12.3), ${MT} (32.1))", glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, {12.3f}},
          {"max", "max(${T} (12.3), ${MT} (32.1))", glu::TYPE_FLOAT, 1, 4, glu::TYPE_FLOAT, {32.1f}},
          {"clamp",
           "clamp(${T} (42.1),    ${MT} (10.0), ${MT} (15.0))",
           glu::TYPE_FLOAT,
           1,
           4,
           glu::TYPE_FLOAT,
           {15.0f}},
          {"length_float", "length(1.0)", glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, {1.0f}},
          {"length_vec2",
           "length(vec2(1.0))",
           glu::TYPE_FLOAT,
           1,
           1,
           glu::TYPE_FLOAT,
           {deFloatSqrt(2.0f)}},
          {"length_vec3",
           "length(vec3(1.0))",
           glu::TYPE_FLOAT,
           1,
           1,
           glu::TYPE_FLOAT,
           {deFloatSqrt(3.0f)}},
          {"length_vec4",
           "length(vec4(1.0))",
           glu::TYPE_FLOAT,
           1,
           1,
           glu::TYPE_FLOAT,
           {deFloatSqrt(4.0f)}},
          {"dot_float", "dot(1.0, 1.0)", glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, {1.0f}},
          {"dot_vec2", "dot(vec2(1.0), vec2(1.0))", glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, {2.0f}},
          {"dot_vec3", "dot(vec3(1.0), vec3(1.0))", glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, {3.0f}},
          {"dot_vec4", "dot(vec4(1.0), vec4(1.0))", glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, {4.0f}},
          {"normalize_float", "normalize(1.0)", glu::TYPE_FLOAT, 1, 1, glu::TYPE_FLOAT, {1.0f}},
          {"normalize_vec2",
           "normalize(vec2(1.0)).x",
           glu::TYPE_FLOAT,
           1,
           1,
           glu::TYPE_FLOAT,
           {deFloatRsq(2.0f)}},
          {"normalize_vec3",
           "normalize(vec3(1.0)).x",
           glu::TYPE_FLOAT,
           1,
           1,
           glu::TYPE_FLOAT,
           {deFloatRsq(3.0f)}},
          {"normalize_vec4",
           "normalize(vec4(1.0)).x",
           glu::TYPE_FLOAT,
           1,
           1,
           glu::TYPE_FLOAT,
           {deFloatRsq(4.0f)}},
      };
  
      const ShaderConstExpr::TestParams arrayCases[] = {
          {"radians",
           "radians(${T} (60.0))",
           glu::TYPE_FLOAT,
           1,
           4,
           glu::TYPE_INT,
           {deFloatRadians(60.0f)}},
          {"degrees",
           "degrees(${T} (0.11))",
           glu::TYPE_FLOAT,
           1,
           4,
           glu::TYPE_INT,
           {deFloatDegrees(0.11f)}},
          {"sin",
           "${T} (1.0) + sin(${T} (0.7))",
           glu::TYPE_FLOAT,
           1,
           4,
           glu::TYPE_INT,
           {1.0f + deFloatSin(0.7f)}},
          {"cos",
           "${T} (1.0) + cos(${T} (0.7))",
           glu::TYPE_FLOAT,
           1,
           4,
           glu::TYPE_INT,
           {1.0f + deFloatCos(0.7f)}},
          {"asin", "asin(${T} (0.9))", glu::TYPE_FLOAT, 1, 4, glu::TYPE_INT, {deFloatAsin(0.9f)}},
          {"acos", "acos(${T} (-0.5))", glu::TYPE_FLOAT, 1, 4, glu::TYPE_INT, {deFloatAcos(-0.5f)}},
          {"pow",
           "pow(${T} (2.0), ${T} (2.0))",
           glu::TYPE_FLOAT,
           1,
           4,
           glu::TYPE_INT,
           {deFloatPow(2.0f, 2.0f)}},
          {"exp", "exp(${T} (1.2))", glu::TYPE_FLOAT, 1, 4, glu::TYPE_INT, {deFloatExp(1.2f)}},
          {"log", "log(${T} (8.0))", glu::TYPE_FLOAT, 1, 4, glu::TYPE_INT, {deFloatLog(8.0f)}},
          {"exp2", "exp2(${T} (2.1))", glu::TYPE_FLOAT, 1, 4, glu::TYPE_INT, {deFloatExp2(2.1f)}},
          {"log2", "log2(${T} (9.0))", glu::TYPE_FLOAT, 1, 4, glu::TYPE_INT, {deFloatLog2(9.0)}},
          {"sqrt", "sqrt(${T} (4.5))", glu::TYPE_FLOAT, 1, 4, glu::TYPE_INT, {deFloatSqrt(4.5f)}},
          {"inversesqrt",
           "inversesqrt(${T} (0.26))",
           glu::TYPE_FLOAT,
           1,
           4,
           glu::TYPE_INT,
           {deFloatRsq(0.26f)}},
          {"abs", "abs(${T} (-2))", glu::TYPE_INT, 1, 4, glu::TYPE_INT, {2}},
          {"sign", "sign(${T} (18.0))", glu::TYPE_FLOAT, 1, 4, glu::TYPE_INT, {deFloatSign(18.0f)}},
          {"floor", "floor(${T} (3.3))", glu::TYPE_FLOAT, 1, 4, glu::TYPE_INT, {deFloatFloor(3.3f)}},
          {"trunc", "trunc(${T} (2.8))", glu::TYPE_FLOAT, 1, 4, glu::TYPE_INT, {2}},
          {"round", "round(${T} (2.2))", glu::TYPE_FLOAT, 1, 4, glu::TYPE_INT, {deFloatRound(2.2f)}},
          {"ceil", "ceil(${T} (2.2))", glu::TYPE_FLOAT, 1, 4, glu::TYPE_INT, {deFloatCeil(2.2f)}},
          {"mod",
           "mod(${T} (7.1), ${MT} (4.0))",
           glu::TYPE_FLOAT,
           1,
           4,
           glu::TYPE_INT,
           {deFloatMod(7.1f, 4.0f)}},
          {"min",
           "min(${T} (2.3), ${MT} (3.1))",
           glu::TYPE_FLOAT,
           1,
           4,
           glu::TYPE_INT,
           {deFloatMin(2.3f, 3.1f)}},
          {"max",
           "max(${T} (2.3), ${MT} (3.1))",
           glu::TYPE_FLOAT,
           1,
           4,
           glu::TYPE_INT,
           {deFloatMax(2.3f, 3.1f)}},
          {"clamp",
           "clamp(${T} (4.1), ${MT} (2.1), ${MT} (3.1))",
           glu::TYPE_FLOAT,
           1,
           4,
           glu::TYPE_INT,
           {3}},
          {"length_float", "length(2.1)", glu::TYPE_FLOAT, 1, 1, glu::TYPE_INT, {2}},
          {"length_vec2",
           "length(vec2(1.0))",
           glu::TYPE_FLOAT,
           1,
           1,
           glu::TYPE_INT,
           {deFloatSqrt(2.0f)}},
          {"length_vec3",
           "length(vec3(1.0))",
           glu::TYPE_FLOAT,
           1,
           1,
           glu::TYPE_INT,
           {deFloatSqrt(3.0f)}},
          {"length_vec4",
           "length(vec4(1.0))",
           glu::TYPE_FLOAT,
           1,
           1,
           glu::TYPE_INT,
           {deFloatSqrt(4.0f)}},
          {"dot_float", "dot(1.0, 1.0)", glu::TYPE_FLOAT, 1, 1, glu::TYPE_INT, {1}},
          {"dot_vec2", "dot(vec2(1.0), vec2(1.01))", glu::TYPE_FLOAT, 1, 1, glu::TYPE_INT, {2}},
          {"dot_vec3", "dot(vec3(1.0), vec3(1.1))", glu::TYPE_FLOAT, 1, 1, glu::TYPE_INT, {3}},
          {"dot_vec4", "dot(vec4(1.0), vec4(1.1))", glu::TYPE_FLOAT, 1, 1, glu::TYPE_INT, {4}},
          {"normalize_float",
           "${T} (1.0) + normalize(2.0)",
           glu::TYPE_FLOAT,
           1,
           1,
           glu::TYPE_INT,
           {2}},
          {"normalize_vec2",
           "${T} (1.0) + normalize(vec2(1.0)).x",
           glu::TYPE_FLOAT,
           1,
           1,
           glu::TYPE_INT,
           {1.0f + deFloatRsq(2.0f)}},
          {"normalize_vec3",
           "${T} (1.0) + normalize(vec3(1.0)).x",
           glu::TYPE_FLOAT,
           1,
           1,
           glu::TYPE_INT,
           {1.0f + deFloatRsq(3.0f)}},
          {"normalize_vec4",
           "${T} (1.0) + normalize(vec4(1.0)).x",
           glu::TYPE_FLOAT,
           1,
           1,
           glu::TYPE_INT,
           {1.0f + deFloatRsq(4.0f)}},
      };
  
      const char *basicShaderTemplate =
          "const ${CASE_BASE_TYPE} cval = ${CASE_EXPRESSION};\n"
          "out0 = cval;\n";
  
      std::vector<tcu::TestNode *> children;
      ShaderConstExpr::createTests(m_context, baseCases, DE_LENGTH_OF_ARRAY(baseCases),
                                   basicShaderTemplate, "basic_", children);
  
      const char *arrayShaderTemplate =
          "float array[int(${CASE_EXPRESSION})];\n"
          "out0 = array.length();\n";
  
      ShaderConstExpr::createTests(m_context, arrayCases, DE_LENGTH_OF_ARRAY(arrayCases),
                                   arrayShaderTemplate, "array_", children);
  
      for (std::size_t i = 0; i < children.size(); i++)
          addChild(children[i]);
  }
  
  }  // namespace glcts