kc3-lang/angle/src/tests/compiler_tests/ShCompile_test.cpp

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• Author : Qin Jiajia
  Date : 2018-09-14 18:11:50
  Hash : 017bda42
  Message : Fix the ASSERT error This change adds shader type checking before entering initializeOutputVariables. BUG: angleproject:2821 Change-Id: Ib931031f2fc187f1f2a1821a09664bbe172a5e90 Reviewed-on: https://chromium-review.googlesource.com/1226229 Commit-Queue: Jiajia Qin <jiajia.qin@intel.com> Reviewed-by: Corentin Wallez <cwallez@chromium.org>

• src/tests/compiler_tests/ShCompile_test.cpp

• //
  // Copyright (c) 2015 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  // ShCompile_test.cpp
  //   Test the sh::Compile interface with different parameters.
  //
  
  #include <clocale>
  #include "GLSLANG/ShaderLang.h"
  #include "angle_gl.h"
  #include "common/platform.h"
  #include "gtest/gtest.h"
  
  class ShCompileTest : public testing::Test
  {
    public:
      ShCompileTest() {}
  
    protected:
      void SetUp() override
      {
          sh::InitBuiltInResources(&mResources);
          mCompiler = sh::ConstructCompiler(GL_FRAGMENT_SHADER, SH_WEBGL_SPEC,
                                            SH_GLSL_COMPATIBILITY_OUTPUT, &mResources);
          ASSERT_TRUE(mCompiler != nullptr) << "Compiler could not be constructed.";
      }
  
      void TearDown() override
      {
          if (mCompiler)
          {
              sh::Destruct(mCompiler);
              mCompiler = nullptr;
          }
      }
  
      void testCompile(const char **shaderStrings, int stringCount, bool expectation)
      {
          ShCompileOptions options      = SH_OBJECT_CODE | SH_VARIABLES | SH_INIT_OUTPUT_VARIABLES;
          bool success                  = sh::Compile(mCompiler, shaderStrings, stringCount, options);
          const std::string &compileLog = sh::GetInfoLog(mCompiler);
          EXPECT_EQ(expectation, success) << compileLog;
      }
  
      ShBuiltInResources mResources;
  
    public:
      ShHandle mCompiler;
  };
  
  class ShCompileComputeTest : public ShCompileTest
  {
    public:
      ShCompileComputeTest() {}
  
    protected:
      void SetUp() override
      {
          sh::InitBuiltInResources(&mResources);
          mCompiler = sh::ConstructCompiler(GL_COMPUTE_SHADER, SH_WEBGL3_SPEC,
                                            SH_GLSL_COMPATIBILITY_OUTPUT, &mResources);
          ASSERT_TRUE(mCompiler != nullptr) << "Compiler could not be constructed.";
      }
  };
  
  // Test calling sh::Compile with compute shader source string.
  TEST_F(ShCompileComputeTest, ComputeShaderString)
  {
      constexpr char kComputeShaderString[] =
          R"(#version 310 es
          layout(local_size_x=1) in;
          void main()
          {
          })";
  
      const char *shaderStrings[] = {kComputeShaderString};
  
      testCompile(shaderStrings, 1, true);
  }
  
  // Test calling sh::Compile with more than one shader source string.
  TEST_F(ShCompileTest, MultipleShaderStrings)
  {
      const std::string &shaderString1 =
          "precision mediump float;\n"
          "void main() {\n";
      const std::string &shaderString2 =
          "    gl_FragColor = vec4(0.0);\n"
          "}";
  
      const char *shaderStrings[] = {shaderString1.c_str(), shaderString2.c_str()};
  
      testCompile(shaderStrings, 2, true);
  }
  
  // Test calling sh::Compile with a tokens split into different shader source strings.
  TEST_F(ShCompileTest, TokensSplitInShaderStrings)
  {
      const std::string &shaderString1 =
          "precision mediump float;\n"
          "void ma";
      const std::string &shaderString2 =
          "in() {\n"
          "#i";
      const std::string &shaderString3 =
          "f 1\n"
          "    gl_FragColor = vec4(0.0);\n"
          "#endif\n"
          "}";
  
      const char *shaderStrings[] = {shaderString1.c_str(), shaderString2.c_str(),
                                     shaderString3.c_str()};
  
      testCompile(shaderStrings, 3, true);
  }
  
  // Parsing floats in shaders can run afoul of locale settings.
  // In de_DE, `strtof("1.9")` will yield `1.0f`. (It's expecting "1,9")
  TEST_F(ShCompileTest, DecimalSepLocale)
  {
      const auto defaultLocale = setlocale(LC_NUMERIC, nullptr);
  
      const auto fnSetLocale = [](const char *const name) {
          return bool(setlocale(LC_NUMERIC, name));
      };
  
      const bool setLocaleToDe =
          fnSetLocale("de_DE") || fnSetLocale("de-DE");  // Windows doesn't like de_DE.
  
  // These configs don't support de_DE: android_angle_vk[32,64]_rel_ng, linux_angle_rel_ng
  // Just allow those platforms to quietly fail, but require other platforms to succeed.
  #if defined(ANGLE_PLATFORM_ANDROID) || defined(ANGLE_PLATFORM_LINUX)
      if (!setLocaleToDe)
      {
          return;
      }
  #endif
      ASSERT_TRUE(setLocaleToDe);
  
      const char kSource[] = R"(
          void main()
          {
              gl_FragColor = vec4(1.9);
          })";
      const char *parts[] = {kSource};
      testCompile(parts, 1, true);
  
      const auto &translated = sh::GetObjectCode(mCompiler);
      // printf("%s\n", translated.data());
      EXPECT_NE(translated.find("1.9"), std::string::npos);
  
      fnSetLocale(defaultLocale);
  }