kc3-lang/angle/util/capture/frame_capture_test_utils.h

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• Hash : 2f3e4db8
  Author :
  Date : 2021-09-02T10:31:13
  

  Capture/Replay: Serialize trace metadata to a JSON file.
  
  This will allow us to remove more code auto-generation for the trace
  tests. The trace info now can be loaded directly from JSON instead of
  from the autogenerated information.
  
  Bug: angleproject:5133
  Change-Id: I04e22b9279b19282df274bc8defcd363d0449111
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3140218
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Tim Van Patten <timvp@google.com>
  Reviewed-by: Cody Northrop <cnorthrop@google.com>
  

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• util/capture/frame_capture_test_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_test_utils:
  //   Helper functions for capture and replay of traces.
  //
  
  #ifndef UTIL_CAPTURE_FRAME_CAPTURE_TEST_UTILS_H_
  #define UTIL_CAPTURE_FRAME_CAPTURE_TEST_UTILS_H_
  
  #include <iostream>
  #include <memory>
  #include <sstream>
  #include <type_traits>
  #include <vector>
  
  #include "common/angleutils.h"
  #include "common/debug.h"
  #include "common/system_utils.h"
  
  #define USE_SYSTEM_ZLIB
  #include "compression_utils_portable.h"
  
  #define ANGLE_MACRO_STRINGIZE_AUX(a) #a
  #define ANGLE_MACRO_STRINGIZE(a) ANGLE_MACRO_STRINGIZE_AUX(a)
  #define ANGLE_MACRO_CONCAT_AUX(a, b) a##b
  #define ANGLE_MACRO_CONCAT(a, b) ANGLE_MACRO_CONCAT_AUX(a, b)
  
  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();
  }
  
  using DecompressCallback              = uint8_t *(*)(const std::vector<uint8_t> &);
  using ValidateSerializedStateCallback = void (*)(const char *, const char *, uint32_t);
  
  using SetBinaryDataDecompressCallbackFunc    = void (*)(DecompressCallback);
  using SetBinaryDataDirFunc                   = void (*)(const char *);
  using SetupReplayFunc                        = void (*)();
  using ReplayFrameFunc                        = void (*)(uint32_t);
  using ResetReplayFunc                        = void (*)();
  using FinishReplayFunc                       = void (*)();
  using GetSerializedContextStateFunc          = const char *(*)(uint32_t);
  using SetValidateSerializedStateCallbackFunc = void (*)(ValidateSerializedStateCallback);
  
  class TraceLibrary
  {
    public:
      TraceLibrary(const char *traceNameIn)
      {
          std::stringstream traceNameStr;
  #if !defined(ANGLE_PLATFORM_WINDOWS)
          traceNameStr << "lib";
  #endif  // !defined(ANGLE_PLATFORM_WINDOWS)
          traceNameStr << traceNameIn;
  #if defined(ANGLE_PLATFORM_ANDROID) && defined(COMPONENT_BUILD)
          // Added to shared library names in Android component builds in
          // https://chromium.googlesource.com/chromium/src/+/9bacc8c4868cc802f69e1e858eea6757217a508f/build/toolchain/toolchain.gni#56
          traceNameStr << ".cr";
  #endif  // defined(ANGLE_PLATFORM_ANDROID) && defined(COMPONENT_BUILD)
          std::string traceName = traceNameStr.str();
          mTraceLibrary.reset(OpenSharedLibrary(traceName.c_str(), SearchType::ModuleDir));
      }
  
      bool valid() const
      {
          return (mTraceLibrary != nullptr) && (mTraceLibrary->getNative() != nullptr);
      }
  
      void setBinaryDataDir(const char *dataDir)
      {
          callFunc<SetBinaryDataDirFunc>("SetBinaryDataDir", dataDir);
      }
  
      void setBinaryDataDecompressCallback(DecompressCallback callback)
      {
          callFunc<SetBinaryDataDecompressCallbackFunc>("SetBinaryDataDecompressCallback", callback);
      }
  
      void replayFrame(uint32_t frameIndex) { callFunc<ReplayFrameFunc>("ReplayFrame", frameIndex); }
  
      void setupReplay() { callFunc<SetupReplayFunc>("SetupReplay"); }
  
      void resetReplay() { callFunc<ResetReplayFunc>("ResetReplay"); }
  
      void finishReplay() { callFunc<FinishReplayFunc>("FinishReplay"); }
  
      const char *getSerializedContextState(uint32_t frameIndex)
      {
          return callFunc<GetSerializedContextStateFunc>("GetSerializedContextState", frameIndex);
      }
  
      void setValidateSerializedStateCallback(ValidateSerializedStateCallback callback)
      {
          return callFunc<SetValidateSerializedStateCallbackFunc>(
              "SetValidateSerializedStateCallback", callback);
      }
  
    private:
      template <typename FuncT, typename... ArgsT>
      typename std::result_of<FuncT(ArgsT...)>::type callFunc(const char *funcName, ArgsT... args)
      {
          void *untypedFunc = mTraceLibrary->getSymbol(funcName);
          if (!untypedFunc)
          {
              fprintf(stderr, "Error loading function: %s\n", funcName);
              ASSERT(untypedFunc);
          }
          auto typedFunc = reinterpret_cast<FuncT>(untypedFunc);
          return typedFunc(args...);
      }
  
      std::unique_ptr<Library> mTraceLibrary;
  };
  
  static constexpr size_t kTraceInfoMaxNameLen = 128;
  
  struct TraceInfo
  {
      char name[kTraceInfoMaxNameLen];
      uint32_t contextClientMajorVersion;
      uint32_t contextClientMinorVersion;
      uint32_t frameStart;
      uint32_t frameEnd;
      uint32_t drawSurfaceWidth;
      uint32_t drawSurfaceHeight;
      uint32_t drawSurfaceColorSpace;
      uint32_t displayPlatformType;
      uint32_t displayDeviceType;
      int configRedBits;
      int configBlueBits;
      int configGreenBits;
      int configAlphaBits;
      int configDepthBits;
      int configStencilBits;
      bool isBinaryDataCompressed;
      bool areClientArraysEnabled;
      bool isBindGeneratesResourcesEnabled;
      bool isWebGLCompatibilityEnabled;
      bool isRobustResourceInitEnabled;
  };
  
  bool LoadTraceNamesFromJSON(const std::string jsonFilePath, std::vector<std::string> *namesOut);
  bool LoadTraceInfoFromJSON(const std::string &traceName,
                             const std::string &traceJsonPath,
                             TraceInfo *traceInfoOut);
  }  // namespace angle
  
  #endif  // UTIL_CAPTURE_FRAME_CAPTURE_TEST_UTILS_H_
  

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