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

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• Hash : 66e4850d
  Author :
  Date : 2019-04-25T10:49:05
  

  Use EnumAdapters to properly detect primary GPU on Win
  
  EnumDisplayDevicesA returns the card that's connected to the display,
  but EnumAdapters return the adapter which the desktop primary is
  displayed at index 0. We can use this to determine the device used for
  graphics.
  
  Also cleans up the discrepancy between platforms on finding "primary" vs
  "active" GPU. Asserts that the GPU expected to run ANGLE commands is the
  active GPU, and deprecates the primary GPU to be equal to the active
  GPU.
  
  Bug: angleproject:3383
  Change-Id: I422fba1bbe47d85b7c09e378d559eaebf89e2625
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1584360
  Commit-Queue: Jonah Ryan-Davis <jonahr@google.com>
  Reviewed-by: Geoff Lang <geofflang@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 VersionInfo
  {
      uint32_t major    = 0;
      uint32_t minor    = 0;
      uint32_t subMinor = 0;
      uint32_t patch    = 0;
  };
  
  struct GPUDeviceInfo
  {
      GPUDeviceInfo();
      ~GPUDeviceInfo();
  
      GPUDeviceInfo(const GPUDeviceInfo &other);
  
      VendorID vendorId = 0;
      DeviceID deviceId = 0;
  
      std::string driverVendor;
      std::string driverVersion;
      std::string driverDate;
  
      // Only available on Android
      VersionInfo detailedDriverVersion;
  };
  
  struct SystemInfo
  {
      SystemInfo();
      ~SystemInfo();
  
      SystemInfo(const SystemInfo &other);
  
      bool hasNVIDIAGPU() const;
      bool hasIntelGPU() const;
      bool hasAMDGPU() const;
  
      std::vector<GPUDeviceInfo> gpus;
  
      // Index of the GPU expected to be used for 3D graphics. Based on a best-guess heuristic on
      // some platforms. On windows, this is accurate.
      int activeGPUIndex = -1;
  
      // Deprecated, same as activeGPUIndex
      int primaryGPUIndex = -1;
  
      bool isOptimus       = false;
      bool isAMDSwitchable = false;
      // Only true on dual-GPU Mac laptops.
      bool isMacSwitchable = false;
  
      // Only available on Android
      std::string machineManufacturer;
  
      // Only available on macOS and Android
      std::string machineModelName;
  
      // Only available on macOS
      std::string machineModelVersion;
  };
  
  // 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_ARM      = 0x13B5;
  constexpr VendorID kVendorID_ImgTec   = 0x1010;
  constexpr VendorID kVendorID_Intel    = 0x8086;
  constexpr VendorID kVendorID_NVIDIA   = 0x10DE;
  constexpr VendorID kVendorID_Qualcomm = 0x5143;
  constexpr VendorID kVendorID_VMWare   = 0x15ad;
  
  // Known non-PCI (i.e. Khronos-registered) vendor IDs
  constexpr VendorID kVendorID_Vivante     = 0x10001;
  constexpr VendorID kVendorID_VeriSilicon = 0x10002;
  constexpr VendorID kVendorID_Kazan       = 0x10003;
  
  // Predicates on vendor IDs
  bool IsAMD(VendorID vendorId);
  bool IsARM(VendorID vendorId);
  bool IsImgTec(VendorID vendorId);
  bool IsIntel(VendorID vendorId);
  bool IsKazan(VendorID vendorId);
  bool IsNVIDIA(VendorID vendorId);
  bool IsQualcomm(VendorID vendorId);
  bool IsVeriSilicon(VendorID vendorId);
  bool IsVMWare(VendorID vendorId);
  bool IsVivante(VendorID vendorId);
  
  // Dumps the system info to stdout.
  void PrintSystemInfo(const SystemInfo &info);
  }  // namespace angle
  
  #endif  // GPU_INFO_UTIL_SYSTEM_INFO_H_
  

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