kc3-lang/angle/src/common/vulkan/vulkan_icd.h

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• Hash : 4a03668d
  Author :
  Date : 2021-12-20T20:58:17
  

  Address comment in CL 3347143
  
  Bug: chromium:1278515
  Change-Id: I7d82d39ad94c6357b0df292fc716749cf610290f
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3349938
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Commit-Queue: Peng Huang <penghuang@chromium.org>
  

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• src/common/vulkan/vulkan_icd.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.
  //
  // vulkan_icd.h : Helper for creating vulkan instances & selecting physical device.
  
  #ifndef COMMON_VULKAN_VULKAN_ICD_H_
  #define COMMON_VULKAN_VULKAN_ICD_H_
  
  #include <string>
  
  #include "common/Optional.h"
  #include "common/angleutils.h"
  #include "common/vulkan/vk_headers.h"
  
  namespace angle
  {
  
  namespace vk
  {
  
  enum class ICD
  {
      Default,
      Mock,
      SwiftShader,
  };
  
  struct SimpleDisplayWindow
  {
      uint16_t width;
      uint16_t height;
  };
  
  class ScopedVkLoaderEnvironment : angle::NonCopyable
  {
    public:
      ScopedVkLoaderEnvironment(bool enableValidationLayers, vk::ICD icd);
      ~ScopedVkLoaderEnvironment();
  
      bool canEnableValidationLayers() const { return mEnableValidationLayers; }
      vk::ICD getEnabledICD() const { return mICD; }
  
    private:
      bool setICDEnvironment(const char *icd);
      bool setCustomExtensionsEnvironment();
  
      bool mEnableValidationLayers;
      vk::ICD mICD;
      bool mChangedCWD;
      Optional<std::string> mPreviousCWD;
      bool mChangedICDEnv;
      Optional<std::string> mPreviousICDEnv;
      Optional<std::string> mPreviousCustomExtensionsEnv;
      bool mChangedNoDeviceSelect;
      Optional<std::string> mPreviousNoDeviceSelectEnv;
  };
  
  void ChoosePhysicalDevice(PFN_vkGetPhysicalDeviceProperties pGetPhysicalDeviceProperties,
                            const std::vector<VkPhysicalDevice> &physicalDevices,
                            vk::ICD preferredICD,
                            VkPhysicalDevice *physicalDeviceOut,
                            VkPhysicalDeviceProperties *physicalDevicePropertiesOut);
  
  }  // namespace vk
  
  }  // namespace angle
  
  #endif  // COMMON_VULKAN_VULKAN_ICD_H_
  

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