kc3-lang/angle/src/gpu_info_util/SystemInfo.h

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• Hash : d8ffd756
  Author :
  Date : 2018-05-01T13:17:17
  

  SystemInfo.h: add some documentation
  
  BUG=angleproject:1874
  
  Change-Id: I8898c1a467c1fec25963f45a31376a6b02e1b6c4
  Reviewed-on: https://chromium-review.googlesource.com/1037584
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Commit-Queue: Corentin Wallez <cwallez@chromium.org>
  

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• src/gpu_info_util/SystemInfo.h

• //
  // Copyright (c) 2013-2017 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.
  //
  
  // SystemInfo.h: gathers information available without starting a GPU driver.
  
  #ifndef GPU_INFO_UTIL_SYSTEM_INFO_H_
  #define GPU_INFO_UTIL_SYSTEM_INFO_H_
  
  #include <cstdint>
  #include <string>
  #include <vector>
  
  namespace angle
  {
  
  using VendorID = uint32_t;
  using DeviceID = uint32_t;
  
  struct GPUDeviceInfo
  {
      GPUDeviceInfo();
      ~GPUDeviceInfo();
  
      GPUDeviceInfo(const GPUDeviceInfo &other);
  
      VendorID vendorId = 0;
      DeviceID deviceId = 0;
  
      std::string driverVendor;
      std::string driverVersion;
      std::string driverDate;
  };
  
  struct SystemInfo
  {
      SystemInfo();
      ~SystemInfo();
  
      SystemInfo(const SystemInfo &other);
  
      std::vector<GPUDeviceInfo> gpus;
  
      // Index of the primary GPU (the discrete one on dual GPU systems) in `gpus`.
      // Will never be -1 after a successful GetSystemInfo.
      int primaryGPUIndex = -1;
      // Index of the currently active GPU in `gpus`, can be -1 if the active GPU could not be
      // detected.
      int activeGPUIndex  = -1;
  
      bool isOptimus       = false;
      bool isAMDSwitchable = false;
  
      // Only available on macOS
      std::string machineModelName;
      std::string machineModelVersion;
  
      // Only available on Windows, set even on failure.
      std::string primaryDisplayDeviceId;
  };
  
  // Gathers information about the system without starting a GPU driver and returns them in `info`.
  // Returns true if all info was gathered, false otherwise. Even when false is returned, `info` will
  // be filled with partial information.
  bool GetSystemInfo(SystemInfo *info);
  
  // Known PCI vendor IDs
  constexpr VendorID kVendorID_AMD      = 0x1002;
  constexpr VendorID kVendorID_Intel    = 0x8086;
  constexpr VendorID kVendorID_Nvidia   = 0x10DE;
  constexpr VendorID kVendorID_Qualcomm = 0x5143;
  
  // Predicates on vendor IDs
  bool IsAMD(VendorID vendorId);
  bool IsIntel(VendorID vendorId);
  bool IsNvidia(VendorID vendorId);
  bool IsQualcomm(VendorID vendorId);
  
  }  // namespace angle
  
  #endif  // GPU_INFO_UTIL_SYSTEM_INFO_H_
  

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