kc3-lang/angle/src/common/vulkan/libvulkan_loader.cpp

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• Hash : 2d3ce72d
  Author :
  Date : 2022-01-20T10:13:06
  

  Refactor shared library load to avoid allocations.
  
  Fixes a leak of an angle::Library detected in the EGL loader.
  
  Bug: angleproject:6937
  Change-Id: I623aa6172b98a35465e1d2641b92f67bdc5d24e7
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3403060
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  

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• src/common/vulkan/libvulkan_loader.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.
  //
  // libvulkan_loader.cpp:
  //    Helper functions for the loading Vulkan libraries.
  //
  
  #include "common/vulkan/libvulkan_loader.h"
  
  #include "common/system_utils.h"
  
  namespace angle
  {
  namespace vk
  {
  void *OpenLibVulkan()
  {
      constexpr const char *kLibVulkanNames[] = {
  #if defined(ANGLE_PLATFORM_WINDOWS)
          "vulkan-1.dll",
  #elif defined(ANGLE_PLATFORM_APPLE)
          "libvulkan.dylib",
          "libvulkan.1.dylib",
          "libMoltenVK.dylib"
  #else
          "libvulkan.so",
          "libvulkan.so.1",
  #endif
      };
  
      constexpr SearchType kSearchTypes[] = {
  // On Android, Fuchsia and GGP we use the system libvulkan.
  #if defined(ANGLE_USE_CUSTOM_LIBVULKAN)
          SearchType::ModuleDir,
  #else
          SearchType::SystemDir,
  #endif  // defined(ANGLE_USE_CUSTOM_LIBVULKAN)
      };
  
      for (angle::SearchType searchType : kSearchTypes)
      {
          for (const char *libraryName : kLibVulkanNames)
          {
              void *library = OpenSystemLibraryWithExtension(libraryName, searchType);
              if (library)
              {
                  return library;
              }
          }
      }
  
      return nullptr;
  }
  }  // namespace vk
  }  // namespace angle
  

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