kc3-lang/angle/src/common/system_utils_win32.cpp

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• Hash : 7df7fc7f
  Author :
  Date : 2021-06-20T00:05:28
  

  Tests: Add support for --renderdoc
  
  This change adds support for a new flag namely `--renderdoc` to end2end
  and deqp tests.  With this flag, each test automatically starts and ends
  a frame capture in renderdoc, working around an issue where renderdoc
  refuses to capture a test frame that doesn't start or end with a swap.
  
  With end2end tests, the capture starts before test set up, and ends
  after test tear down.  With deqp tests, it starts before init, ends and
  restarts after each test iteration and ends after deinit.
  
  Bug: angleproject:6072
  Change-Id: Ib41b816aff121bf922d9147044cc363c33a62181
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2971835
  Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
  Reviewed-by: Cody Northrop <cnorthrop@google.com>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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• src/common/system_utils_win32.cpp

• //
  // Copyright 2019 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.
  //
  // system_utils_win32.cpp: Implementation of OS-specific functions for Windows.
  
  #include "system_utils.h"
  
  #include <windows.h>
  #include <array>
  
  namespace angle
  {
  bool UnsetEnvironmentVar(const char *variableName)
  {
      return (SetEnvironmentVariableA(variableName, nullptr) == TRUE);
  }
  
  bool SetEnvironmentVar(const char *variableName, const char *value)
  {
      return (SetEnvironmentVariableA(variableName, value) == TRUE);
  }
  
  std::string GetEnvironmentVar(const char *variableName)
  {
      std::array<char, MAX_PATH> oldValue;
      DWORD result =
          GetEnvironmentVariableA(variableName, oldValue.data(), static_cast<DWORD>(oldValue.size()));
      if (result == 0)
      {
          return std::string();
      }
      else
      {
          return std::string(oldValue.data());
      }
  }
  
  class Win32Library : public Library
  {
    public:
      Win32Library(const char *libraryName, SearchType searchType)
      {
          switch (searchType)
          {
              case SearchType::ApplicationDir:
                  mModule = LoadLibraryA(libraryName);
                  break;
              case SearchType::SystemDir:
                  mModule = LoadLibraryExA(libraryName, nullptr, LOAD_LIBRARY_SEARCH_SYSTEM32);
                  break;
              case SearchType::AlreadyLoaded:
                  mModule = GetModuleHandleA(libraryName);
                  break;
          }
      }
  
      ~Win32Library() override
      {
          if (mModule)
          {
              FreeLibrary(mModule);
          }
      }
  
      void *getSymbol(const char *symbolName) override
      {
          if (!mModule)
          {
              fprintf(stderr, "Module was not loaded\n");
              return nullptr;
          }
  
          return reinterpret_cast<void *>(GetProcAddress(mModule, symbolName));
      }
  
      void *getNative() const override { return reinterpret_cast<void *>(mModule); }
  
    private:
      HMODULE mModule = nullptr;
  };
  
  Library *OpenSharedLibrary(const char *libraryName, SearchType searchType)
  {
      char buffer[MAX_PATH];
      int ret = snprintf(buffer, MAX_PATH, "%s.%s", libraryName, GetSharedLibraryExtension());
      if (ret > 0 && ret < MAX_PATH)
      {
          return new Win32Library(buffer, searchType);
      }
      else
      {
          fprintf(stderr, "Error loading shared library: 0x%x", ret);
          return nullptr;
      }
  }
  
  Library *OpenSharedLibraryWithExtension(const char *libraryName)
  {
      return new Win32Library(libraryName, SearchType::SystemDir);
  }
  }  // namespace angle
  

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