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

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• Hash : 605af42e
  Author :
  Date : 2020-03-04T21:52:53
  

  Vulkan: Move ICD overrides to a common place
  
  We also need the bundled ICDs and selection logic for certain tests that
  create a vulkan instance. If we don't, the tests will use default vulkan
  even if ANGLE is using swiftshader-vulkan. Tests of driver specific
  handle types (e..g opaque fd) will fail in this case.
  
  Bug: angleproject:4092
  Change-Id: Iff089c9341b8b533ee8634923d0177c5dbcd5cc8
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2088659
  Commit-Queue: Michael Spang <spang@chromium.org>
  Reviewed-by: Tim Van Patten <timvp@google.com>
  

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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 "libANGLE/renderer/vulkan/vk_headers.h"
  
  namespace angle
  {
  
  namespace vk
  {
  
  enum class ICD
  {
      Default,
      Mock,
      SwiftShader,
  };
  
  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 mEnableValidationLayers;
      vk::ICD mICD;
      bool mChangedCWD;
      Optional<std::string> mPreviousCWD;
      bool mChangedICDEnv;
      Optional<std::string> mPreviousICDEnv;
  };
  
  void ChoosePhysicalDevice(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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