1 files changed, 115 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/gpu_info_util/SystemInfo.h b/gfx/angle/checkout/src/gpu_info_util/SystemInfo.h
new file mode 100644
index 0000000000..219ec37207
--- /dev/null
+++ b/gfx/angle/checkout/src/gpu_info_util/SystemInfo.h
@@ -0,0 +1,115 @@
+//
+// 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;
+
+    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_