kc3-lang/angle/src/tests/gl_tests/WebGLCompressedTextureAvailabilityTest.cpp

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• Hash : 32e23bb9
  Author :
  Date : 2021-12-15T13:30:37
  

  Expand WebGLCompressedTextureAvailabilityTest
  
  Added assertions for OpenGL on macOS and a new
  regression test for emulated ETC1.
  
  Bug: chromium:1279908
  Bug: chromium:1048244
  Change-Id: I522a8db32dacad0bca0fba09aed1bcbafa7e3c80
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3340934
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Kenneth Russell <kbr@chromium.org>
  Commit-Queue: Alexey Knyazev <lexa.knyazev@gmail.com>
  

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• src/tests/gl_tests/WebGLCompressedTextureAvailabilityTest.cpp

• //
  // Copyright 2021 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.
  //
  // WebGLCompressedTextureAvailabilityTest:
  //   Compressed formats must be enabled on platforms that always support them.
  //   Compressed formats must be disabled on platforms that never support them.
  //
  
  #include "test_utils/ANGLETest.h"
  
  using namespace angle;
  
  namespace
  {
  
  class WebGLCompressedTextureAvailabilityTest : public ANGLETest
  {
    public:
      WebGLCompressedTextureAvailabilityTest() { setWebGLCompatibilityEnabled(true); }
  };
  
  const char kDXT1[]     = "GL_EXT_texture_compression_dxt1";
  const char kDXT3[]     = "GL_ANGLE_texture_compression_dxt3";
  const char kDXT5[]     = "GL_ANGLE_texture_compression_dxt5";
  const char kS3TCSRGB[] = "GL_EXT_texture_compression_s3tc_srgb";
  const char kRGTC[]     = "GL_EXT_texture_compression_rgtc";
  const char kBPTC[]     = "GL_EXT_texture_compression_bptc";
  
  const char kETC1[] = "GL_OES_compressed_ETC1_RGB8_texture";
  const char kETC2[] = "GL_ANGLE_compressed_texture_etc";
  
  const char kASTCLDR[] = "GL_KHR_texture_compression_astc_ldr";
  const char kASTCHDR[] = "GL_KHR_texture_compression_astc_hdr";
  
  const char kPVRTC1[] = "GL_IMG_texture_compression_pvrtc";
  
  // Test compressed formats availability
  TEST_P(WebGLCompressedTextureAvailabilityTest, Test)
  {
      if (IsD3D())
      {
          EXPECT_TRUE(EnsureGLExtensionEnabled(kDXT1));
          EXPECT_TRUE(EnsureGLExtensionEnabled(kDXT3));
          EXPECT_TRUE(EnsureGLExtensionEnabled(kDXT5));
          EXPECT_TRUE(EnsureGLExtensionEnabled(kS3TCSRGB));
  
          if (IsD3D9())
          {
              EXPECT_FALSE(EnsureGLExtensionEnabled(kRGTC));
              EXPECT_FALSE(EnsureGLExtensionEnabled(kBPTC));
          }
          else
          {
              EXPECT_TRUE(EnsureGLExtensionEnabled(kRGTC));
          }
  
          EXPECT_FALSE(EnsureGLExtensionEnabled(kETC1));
          EXPECT_FALSE(EnsureGLExtensionEnabled(kETC2));
          EXPECT_FALSE(EnsureGLExtensionEnabled(kASTCLDR));
          EXPECT_FALSE(EnsureGLExtensionEnabled(kASTCHDR));
          EXPECT_FALSE(EnsureGLExtensionEnabled(kPVRTC1));
      }
      else if (IsMetal())
      {
          if (IsOSX())
          {
              EXPECT_TRUE(EnsureGLExtensionEnabled(kDXT1));
              EXPECT_TRUE(EnsureGLExtensionEnabled(kDXT3));
              EXPECT_TRUE(EnsureGLExtensionEnabled(kDXT5));
              EXPECT_TRUE(EnsureGLExtensionEnabled(kS3TCSRGB));
              EXPECT_TRUE(EnsureGLExtensionEnabled(kRGTC));
              EXPECT_TRUE(EnsureGLExtensionEnabled(kBPTC));
  
              if (IsApple())
              {
                  // M1 or newer
                  EXPECT_TRUE(EnsureGLExtensionEnabled(kETC1));
                  EXPECT_TRUE(EnsureGLExtensionEnabled(kETC2));
                  EXPECT_TRUE(EnsureGLExtensionEnabled(kASTCLDR));
                  EXPECT_TRUE(EnsureGLExtensionEnabled(kASTCHDR));
                  EXPECT_TRUE(EnsureGLExtensionEnabled(kPVRTC1));
              }
              else
              {
                  // macOS with non-Apple GPU
                  EXPECT_FALSE(EnsureGLExtensionEnabled(kETC1));
                  EXPECT_FALSE(EnsureGLExtensionEnabled(kETC2));
                  EXPECT_FALSE(EnsureGLExtensionEnabled(kASTCLDR));
                  EXPECT_FALSE(EnsureGLExtensionEnabled(kASTCHDR));
                  EXPECT_FALSE(EnsureGLExtensionEnabled(kPVRTC1));
              }
          }
          else
          {
              // Need proper Catalyst detection to assert formats here.
          }
      }
      else if (IsDesktopOpenGL())
      {
          if (IsOSX())
          {
              // OpenGL version is fixed to 4.1 on macOS, so the supported formats are the same on all
              // devices.
              EXPECT_TRUE(EnsureGLExtensionEnabled(kDXT1));
              EXPECT_TRUE(EnsureGLExtensionEnabled(kDXT3));
              EXPECT_TRUE(EnsureGLExtensionEnabled(kDXT5));
              EXPECT_TRUE(EnsureGLExtensionEnabled(kS3TCSRGB));
              EXPECT_TRUE(EnsureGLExtensionEnabled(kRGTC));
  
              EXPECT_FALSE(EnsureGLExtensionEnabled(kBPTC));
  
              EXPECT_FALSE(EnsureGLExtensionEnabled(kETC1));
              EXPECT_FALSE(EnsureGLExtensionEnabled(kETC2));
              EXPECT_FALSE(EnsureGLExtensionEnabled(kASTCLDR));
              EXPECT_FALSE(EnsureGLExtensionEnabled(kASTCHDR));
              EXPECT_FALSE(EnsureGLExtensionEnabled(kPVRTC1));
          }
      }
  }
  
  // Regression test for emulated ETC1 being exposed to WebGL contexts.
  //
  // Relies on the fact that ETC1 is a strict subset of ETC2 and the ANGLE-specific ETC2 extension
  // string is exposed only when the hardware support is available. Hardware support for ETC1
  // without ETC2 exists only on native OpenGL ES.
  //
  // Note that non-WebGL contexts are allowed to expose emulated ETC1.
  // https://crbug.com/1048244
  TEST_P(WebGLCompressedTextureAvailabilityTest, EmulatedEtc1Test)
  {
      if (!IsOpenGLES())
      {
          if (EnsureGLExtensionEnabled(kETC2))
          {
              EXPECT_TRUE(EnsureGLExtensionEnabled(kETC1));
          }
          else
          {
              EXPECT_FALSE(EnsureGLExtensionEnabled(kETC1));
          }
      }
  }
  
  ANGLE_INSTANTIATE_TEST_ES2_AND_ES3(WebGLCompressedTextureAvailabilityTest);
  
  }  // namespace
  

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