SystemInfo.h

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Author : James Darpinian
Date : 2020-11-03 16:22:19
Hash : e53efb18
Message : Allow choosing EAGL or CGL at runtime Dean Jackson made this change downstream in WebKit: https://bugs.webkit.org/show_bug.cgi?id=216722 Change ANGLE to dynamically load either EAGL (OpenGLES) or CGL (OpenGL) depending on both compile and runtime configurations. Intel Mac -> CGL Intel Mac Catalyst -> CGL Intel iOS Simulator -> EAGL iOS Device -> EAGL Apple Silicon Mac -> CGL Apple Silicon Mac Catalyst (with Mac app) -> CGL Apple Silicon Mac Catalyst (with iOS app) -> EAGL The trickiest bit is Apple Silicon Mac Catalyst, which depends on the type of the application it is attempting to run. In that case ANGLE must compile both the CGL and EAGL interfaces and then pick one to use after launch. Bug: angleproject:5253 Change-Id: Iba167b3cc3105e457dcfc9bc14147d0fc3e70bac Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2500185 Commit-Queue: James Darpinian <jdarpinian@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org> Reviewed-by: Kenneth Russell <kbr@chromium.org>

src/gpu_info_util/SystemInfo.h

//
// Copyright 2013 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 via GetSystemInfoVulkan currently.
    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. Note `gpus` must be checked for empty before
    // indexing.
    int activeGPUIndex = 0;

    bool isOptimus       = false;
    bool isAMDSwitchable = false;
    // Only true on dual-GPU Mac laptops.
    bool isMacSwitchable = false;
    // Only true on Apple Silicon Macs when running iOS binaries.
    // See https://developer.apple.com/documentation/foundation/nsprocessinfo/3608556-iosapponmac
    bool isiOSAppOnMac = 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);

// Vulkan-specific info collection.
bool GetSystemInfoVulkan(SystemInfo *info);

// Known PCI vendor IDs
constexpr VendorID kVendorID_AMD      = 0x1002;
constexpr VendorID kVendorID_ARM      = 0x13B5;
constexpr VendorID kVendorID_Broadcom = 0x14E4;
constexpr VendorID kVendorID_GOOGLE   = 0x1AE0;
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;

// Known device IDs
constexpr DeviceID kDeviceID_Swiftshader  = 0xC0DE;
constexpr DeviceID kDeviceID_Adreno540    = 0x5040001;
constexpr DeviceID kDeviceID_UHD630Mobile = 0x3E9B;

// Predicates on vendor IDs
bool IsAMD(VendorID vendorId);
bool IsARM(VendorID vendorId);
bool IsBroadcom(VendorID vendorId);
bool IsImgTec(VendorID vendorId);
bool IsIntel(VendorID vendorId);
bool IsKazan(VendorID vendorId);
bool IsNVIDIA(VendorID vendorId);
bool IsQualcomm(VendorID vendorId);
bool IsGoogle(VendorID vendorId);
bool IsSwiftshader(VendorID vendorId);
bool IsVeriSilicon(VendorID vendorId);
bool IsVMWare(VendorID vendorId);
bool IsVivante(VendorID vendorId);

// Use a heuristic to attempt to find the GPU used for 3D graphics. Sets activeGPUIndex,
// isOptimus, and isAMDSwitchable.
// Always assumes the non-Intel GPU is active on dual-GPU machines.
void GetDualGPUInfo(SystemInfo *info);

// Dumps the system info to stdout.
void PrintSystemInfo(const SystemInfo &info);

VersionInfo ParseNvidiaDriverVersion(uint32_t version);

#if defined(ANGLE_PLATFORM_MACOS) || defined(ANGLE_PLATFORM_MACCATALYST)
// Helper to get the active GPU ID from a given Core Graphics display ID.
uint64_t GetGpuIDFromDisplayID(uint32_t displayID);

// Helper to get the active GPU ID from an OpenGL display mask.
uint64_t GetGpuIDFromOpenGLDisplayMask(uint32_t displayMask);

// Get VendorID from metal device's registry ID
VendorID GetVendorIDFromMetalDeviceRegistryID(uint64_t registryID);
#endif

}  // namespace angle

#endif  // GPU_INFO_UTIL_SYSTEM_INFO_H_

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

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