kc3-lang/angle/src/image_util/AstcDecompressor_unittest.cpp

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• Hash : 81a244de
  Author :
  Date : 2022-10-10T15:32:25
  

  Adding a class to perform ASTC texture decompression on the CPU
  
  This significantly improves performance by caching and re-using the ASTC
  decoder context, and using multi-threaded decompression.
  
  This code was originally written for gfxstream.
  
  Bug: b/250688943
  Change-Id: I1727447907f2e25cf9b854ffcc9ccfc04db2fb91
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3929008
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  Reviewed-by: Charlie Lao <cclao@google.com>
  Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
  

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• src/image_util/AstcDecompressor_unittest.cpp

• //
  // Copyright 2022 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.
  //
  // AstcDecompressor_unittest.cpp: Unit tests for AstcDecompressor
  
  #include <gmock/gmock.h>
  #include <vector>
  
  #include "common/WorkerThread.h"
  #include "image_util/AstcDecompressor.h"
  #include "image_util/AstcDecompressorTestUtils.h"
  
  using namespace angle;
  using namespace testing;
  
  namespace
  {
  
  // Test that we can correctly decompress an image
  TEST(AstcDecompressor, Decompress)
  {
      const int width  = 1024;
      const int height = 1024;
  
      auto singleThreadedPool = WorkerThreadPool::Create(1, ANGLEPlatformCurrent());
      auto multiThreadedPool  = WorkerThreadPool::Create(0, ANGLEPlatformCurrent());
  
      auto &decompressor = AstcDecompressor::get();
      if (!decompressor.available())
          GTEST_SKIP() << "ASTC decompressor not available";
  
      std::vector<Rgba> output(width * height);
      std::vector<uint8_t> astcData = makeAstcCheckerboard(width, height);
      int32_t status =
          decompressor.decompress(singleThreadedPool, multiThreadedPool, width, height, 8, 8,
                                  astcData.data(), astcData.size(), (uint8_t *)output.data());
      EXPECT_EQ(status, 0);
  
      std::vector<Rgba> expected = makeCheckerboard(width, height);
  
      ASSERT_THAT(output, ElementsAreArray(expected));
  }
  
  // Test that getStatusString returns non-null even for unknown statuses
  TEST(AstcDecompressor, getStatusStringAlwaysNonNull)
  {
      EXPECT_THAT(AstcDecompressor::get().getStatusString(-10000), NotNull());
  }
  
  }  // namespace

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