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

• Show log

  Commit

• Hash : 7e815c77
  Author :
  Date : 2020-07-08T13:43:40
  

  Implement EXT_shadow_samplers
  
  Bug: angleproject:4863,b/161716126
  Change-Id: I6beb45d91f59a851787c9f40b40266fb985198d5
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2288330
  Commit-Queue: Geoff Lang <geofflang@chromium.org>
  Reviewed-by: Tim Van Patten <timvp@google.com>
  Reviewed-by: back sept 10 - Jamie Madill <jmadill@chromium.org>
  

Download

• src/tests/compiler_tests/EXT_shadow_samplers_test.cpp

• //
  // Copyright 2020 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.
  //
  // EXT_shadow_samplers_test.cpp:
  //   Test for EXT_shadow_samplers
  //
  
  #include "tests/test_utils/ShaderExtensionTest.h"
  
  using EXTShadowSamplersTest = sh::ShaderExtensionTest;
  
  namespace
  {
  const char EXTPragma[] = "#extension GL_EXT_shadow_samplers : require\n";
  
  // Shader calling shadow2DEXT()
  const char ESSL100_ShadowSamplersShader[] =
      R"(
      precision mediump float;
      varying vec3 texCoord0v;
      uniform sampler2DShadow tex;
      void main()
      {
          float color = shadow2DEXT(tex, texCoord0v);
      })";
  
  // Extension flag is required to compile properly. Expect failure when it is
  // not present.
  TEST_P(EXTShadowSamplersTest, CompileFailsWithoutExtension)
  {
      mResources.EXT_shadow_samplers = 0;
      InitializeCompiler();
      EXPECT_FALSE(TestShaderCompile(EXTPragma));
  }
  
  // Extension directive is required to compile properly. Expect failure when
  // it is not present.
  TEST_P(EXTShadowSamplersTest, CompileFailsWithExtensionWithoutPragma)
  {
      mResources.EXT_shadow_samplers = 1;
      InitializeCompiler();
      EXPECT_FALSE(TestShaderCompile(""));
  }
  
  // With extension flag and extension directive, compiling succeeds.
  // Also test that the extension directive state is reset correctly.
  TEST_P(EXTShadowSamplersTest, CompileSucceedsWithExtensionAndPragma)
  {
      mResources.EXT_shadow_samplers = 1;
      InitializeCompiler();
      EXPECT_TRUE(TestShaderCompile(EXTPragma));
      // Test reset functionality.
      EXPECT_FALSE(TestShaderCompile(""));
      EXPECT_TRUE(TestShaderCompile(EXTPragma));
  }
  
  // The SL #version 100 shaders that are correct work similarly
  // in both GL2 and GL3, with and without the version string.
  INSTANTIATE_TEST_SUITE_P(CorrectESSL100Shaders,
                           EXTShadowSamplersTest,
                           Combine(Values(SH_GLES2_SPEC),
                                   Values(sh::ESSLVersion100),
                                   Values(ESSL100_ShadowSamplersShader)));
  
  }  // anonymous namespace

Download