kc3-lang/angle/util/frame_capture_utils.h

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• Hash : b69c4e14
  Author :
  Date : 2020-03-24T15:02:06
  

  Capture/Replay: Update CaptureReplay sample for compression
  
  * Move DecompressBinaryData to a shared helper
  * Start using it in CaptureReplay sample
  * Error out if decompress callback isn't set correctly
  
  Test: AngryBirds and CandyCrush captures replay on desktop
  Test: angle_perftests --gtest_filter="*Trace*"
  Bug: angleproject:4484
  Change-Id: I0432004fdb0cfb0fd61f9a66f792591c9aa40d9b
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2118790
  Commit-Queue: Cody Northrop <cnorthrop@google.com>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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• util/frame_capture_utils.h

• //
  // 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.
  //
  // frame_capture_utils:
  //   Helper functions for capture and replay of traces.
  //
  
  #ifndef UTIL_FRAME_CAPTURE_UTILS_H_
  #define UTIL_FRAME_CAPTURE_UTILS_H_
  
  #include <iostream>
  #include <memory>
  #include <vector>
  
  #include "common/angleutils.h"
  
  #define USE_SYSTEM_ZLIB
  #include "compression_utils_portable.h"
  
  namespace angle
  {
  
  inline uint8_t *DecompressBinaryData(const std::vector<uint8_t> &compressedData)
  {
      uint32_t uncompressedSize =
          zlib_internal::GetGzipUncompressedSize(compressedData.data(), compressedData.size());
  
      std::unique_ptr<uint8_t[]> uncompressedData(new uint8_t[uncompressedSize]);
      uLong destLen = uncompressedSize;
      int zResult =
          zlib_internal::GzipUncompressHelper(uncompressedData.get(), &destLen, compressedData.data(),
                                              static_cast<uLong>(compressedData.size()));
  
      if (zResult != Z_OK)
      {
          std::cerr << "Failure to decompressed binary data: " << zResult << "\n";
          return nullptr;
      }
  
      return uncompressedData.release();
  }
  
  }  // namespace angle
  
  #endif  // UTIL_FRAME_CAPTURE_UTILS_H_
  

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