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

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• Author : Olli Etuaho
  Date : 2018-01-31 11:46:52
  Hash : 1776fd08
  Message : Make use of CreateBoolNode in traversers This is just refactoring to clean up some duplicate code. A new test is added to make sure this doesn't break UnfoldShortCircuitAST. BUG=angleproject:1490 TEST=angle_unittests Change-Id: I108e646f71ba631cbd5dad2055b64e6a30159742 Reviewed-on: https://chromium-review.googlesource.com/894207 Reviewed-by: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>

• src/tests/compiler_tests/UnfoldShortCircuitAST_test.cpp

• //
  // Copyright (c) 2018 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.
  //
  // UnfoldShortCircuitAST_test.cpp:
  //  Tests shader compilation with SH_UNFOLD_SHORT_CIRCUIT workaround on.
  
  #include "GLSLANG/ShaderLang.h"
  #include "angle_gl.h"
  #include "gtest/gtest.h"
  #include "tests/test_utils/compiler_test.h"
  
  using namespace sh;
  
  class UnfoldShortCircuitASTTest : public MatchOutputCodeTest
  {
    public:
      UnfoldShortCircuitASTTest()
          : MatchOutputCodeTest(GL_FRAGMENT_SHADER, SH_UNFOLD_SHORT_CIRCUIT, SH_GLSL_330_CORE_OUTPUT)
      {
      }
  };
  
  // Test unfolding the && operator.
  TEST_F(UnfoldShortCircuitASTTest, UnfoldAnd)
  {
      const std::string &shaderString =
          R"(#version 300 es
          precision highp float;
  
          out vec4 color;
          uniform bool b;
          uniform bool b2;
  
          void main()
          {
              color = vec4(0, 0, 0, 1);
              if (b && b2)
              {
                  color = vec4(0, 1, 0, 1);
              }
          })";
      compile(shaderString);
      ASSERT_TRUE(foundInCode("(_ub) ? (_ub2) : (false)"));
  }
  
  // Test unfolding the || operator.
  TEST_F(UnfoldShortCircuitASTTest, UnfoldOr)
  {
      const std::string &shaderString =
          R"(#version 300 es
          precision highp float;
  
          out vec4 color;
          uniform bool b;
          uniform bool b2;
  
          void main()
          {
              color = vec4(0, 0, 0, 1);
              if (b || b2)
              {
                  color = vec4(0, 1, 0, 1);
              }
          })";
      compile(shaderString);
      ASSERT_TRUE(foundInCode("(_ub) ? (true) : (_ub2)"));
  }
  
  // Test unfolding nested && and || operators. Both should be unfolded.
  TEST_F(UnfoldShortCircuitASTTest, UnfoldNested)
  {
      const std::string &shaderString =
          R"(#version 300 es
          precision highp float;
  
          out vec4 color;
          uniform bool b;
          uniform bool b2;
          uniform bool b3;
  
          void main()
          {
              color = vec4(0, 0, 0, 1);
              if (b && (b2 || b3))
              {
                  color = vec4(0, 1, 0, 1);
              }
          })";
      compile(shaderString);
      ASSERT_TRUE(foundInCode("(_ub) ? (((_ub2) ? (true) : (_ub3))) : (false)"));
  }