1 files changed, 278 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/driver_utils.h b/gfx/angle/checkout/src/libANGLE/renderer/driver_utils.h
new file mode 100644
index 0000000000..3addc07ffd
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/driver_utils.h
@@ -0,0 +1,278 @@
+//
+// Copyright 2016 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.
+//
+
+// driver_utils.h : provides more information about current driver.
+
+#ifndef LIBANGLE_RENDERER_DRIVER_UTILS_H_
+#define LIBANGLE_RENDERER_DRIVER_UTILS_H_
+
+#include "common/platform.h"
+#include "libANGLE/angletypes.h"
+
+namespace rx
+{
+
+enum VendorID : uint32_t
+{
+    VENDOR_ID_UNKNOWN = 0x0,
+    VENDOR_ID_AMD     = 0x1002,
+    VENDOR_ID_APPLE   = 0x106B,
+    VENDOR_ID_ARM     = 0x13B5,
+    // Broadcom devices won't use PCI, but this is their Vulkan vendor id.
+    VENDOR_ID_BROADCOM  = 0x14E4,
+    VENDOR_ID_GOOGLE    = 0x1AE0,
+    VENDOR_ID_INTEL     = 0x8086,
+    VENDOR_ID_MESA      = 0x10005,
+    VENDOR_ID_MICROSOFT = 0x1414,
+    VENDOR_ID_NVIDIA    = 0x10DE,
+    VENDOR_ID_POWERVR   = 0x1010,
+    // This is Qualcomm PCI Vendor ID.
+    // Android doesn't have a PCI bus, but all we need is a unique id.
+    VENDOR_ID_QUALCOMM = 0x5143,
+    VENDOR_ID_SAMSUNG  = 0x144D,
+    VENDOR_ID_VIVANTE  = 0x9999,
+    VENDOR_ID_VMWARE   = 0x15AD,
+};
+
+enum AndroidDeviceID : uint32_t
+{
+    ANDROID_DEVICE_ID_UNKNOWN     = 0x0,
+    ANDROID_DEVICE_ID_NEXUS5X     = 0x4010800,
+    ANDROID_DEVICE_ID_PIXEL2      = 0x5040001,
+    ANDROID_DEVICE_ID_PIXEL1XL    = 0x5030004,
+    ANDROID_DEVICE_ID_PIXEL4      = 0x6040001,
+    ANDROID_DEVICE_ID_SWIFTSHADER = 0xC0DE,
+};
+
+inline bool IsAMD(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_AMD;
+}
+
+inline bool IsApple(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_APPLE;
+}
+
+inline bool IsARM(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_ARM;
+}
+
+inline bool IsBroadcom(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_BROADCOM;
+}
+
+inline bool IsIntel(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_INTEL;
+}
+
+inline bool IsGoogle(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_GOOGLE;
+}
+
+inline bool IsMicrosoft(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_MICROSOFT;
+}
+
+inline bool IsNvidia(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_NVIDIA;
+}
+
+inline bool IsPowerVR(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_POWERVR;
+}
+
+inline bool IsQualcomm(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_QUALCOMM;
+}
+
+inline bool IsSamsung(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_SAMSUNG;
+}
+
+inline bool IsVivante(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_VIVANTE;
+}
+
+inline bool IsVMWare(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_VMWARE;
+}
+
+inline bool IsNexus5X(uint32_t vendorId, uint32_t deviceId)
+{
+    return IsQualcomm(vendorId) && deviceId == ANDROID_DEVICE_ID_NEXUS5X;
+}
+
+inline bool IsPixel1XL(uint32_t vendorId, uint32_t deviceId)
+{
+    return IsQualcomm(vendorId) && deviceId == ANDROID_DEVICE_ID_PIXEL1XL;
+}
+
+inline bool IsPixel2(uint32_t vendorId, uint32_t deviceId)
+{
+    return IsQualcomm(vendorId) && deviceId == ANDROID_DEVICE_ID_PIXEL2;
+}
+
+inline bool IsPixel4(uint32_t vendorId, uint32_t deviceId)
+{
+    return IsQualcomm(vendorId) && deviceId == ANDROID_DEVICE_ID_PIXEL4;
+}
+
+inline bool IsSwiftshader(uint32_t vendorId, uint32_t deviceId)
+{
+    return IsGoogle(vendorId) && deviceId == ANDROID_DEVICE_ID_SWIFTSHADER;
+}
+
+const char *GetVendorString(uint32_t vendorId);
+
+// For Linux, Intel graphics driver version is the Mesa version. The version number has three
+// fields: major revision, minor revision and release number.
+// For Windows, The version number includes 3rd and 4th fields. Please refer the details at
+// http://www.intel.com/content/www/us/en/support/graphics-drivers/000005654.html.
+// Current implementation only supports Windows.
+class IntelDriverVersion
+{
+  public:
+    IntelDriverVersion(uint32_t buildNumber);
+    bool operator==(const IntelDriverVersion &);
+    bool operator!=(const IntelDriverVersion &);
+    bool operator<(const IntelDriverVersion &);
+    bool operator>=(const IntelDriverVersion &);
+
+  private:
+    uint32_t mBuildNumber;
+};
+
+bool IsSandyBridge(uint32_t DeviceId);
+bool IsIvyBridge(uint32_t DeviceId);
+bool IsHaswell(uint32_t DeviceId);
+bool IsBroadwell(uint32_t DeviceId);
+bool IsCherryView(uint32_t DeviceId);
+bool IsSkylake(uint32_t DeviceId);
+bool IsBroxton(uint32_t DeviceId);
+bool IsKabyLake(uint32_t DeviceId);
+bool IsGeminiLake(uint32_t DeviceId);
+bool IsCoffeeLake(uint32_t DeviceId);
+bool Is9thGenIntel(uint32_t DeviceId);
+bool Is11thGenIntel(uint32_t DeviceId);
+bool Is12thGenIntel(uint32_t DeviceId);
+
+struct MajorMinorPatchVersion
+{
+    MajorMinorPatchVersion();
+    MajorMinorPatchVersion(int major, int minor, int patch);
+
+    int majorVersion = 0;
+    int minorVersion = 0;
+    int patchVersion = 0;
+};
+bool operator==(const MajorMinorPatchVersion &a, const MajorMinorPatchVersion &b);
+bool operator!=(const MajorMinorPatchVersion &a, const MajorMinorPatchVersion &b);
+bool operator<(const MajorMinorPatchVersion &a, const MajorMinorPatchVersion &b);
+bool operator>=(const MajorMinorPatchVersion &a, const MajorMinorPatchVersion &b);
+
+using ARMDriverVersion = MajorMinorPatchVersion;
+ARMDriverVersion ParseARMDriverVersion(uint32_t driverVersion);
+
+// Platform helpers
+inline bool IsWindows()
+{
+#if defined(ANGLE_PLATFORM_WINDOWS)
+    return true;
+#else
+    return false;
+#endif
+}
+
+inline bool IsLinux()
+{
+#if defined(ANGLE_PLATFORM_LINUX)
+    return true;
+#else
+    return false;
+#endif
+}
+
+inline bool IsChromeOS()
+{
+#if defined(ANGLE_PLATFORM_CHROMEOS)
+    return true;
+#else
+    return false;
+#endif
+}
+
+inline bool IsApple()
+{
+#if defined(ANGLE_PLATFORM_APPLE)
+    return true;
+#else
+    return false;
+#endif
+}
+
+inline bool IsMac()
+{
+#if defined(ANGLE_PLATFORM_APPLE) && defined(ANGLE_PLATFORM_MACOS)
+    return true;
+#else
+    return false;
+#endif
+}
+
+inline bool IsFuchsia()
+{
+#if defined(ANGLE_PLATFORM_FUCHSIA)
+    return true;
+#else
+    return false;
+#endif
+}
+
+inline bool IsIOS()
+{
+#if defined(ANGLE_PLATFORM_IOS)
+    return true;
+#else
+    return false;
+#endif
+}
+
+bool IsWayland();
+bool IsWin10OrGreater();
+
+using OSVersion = MajorMinorPatchVersion;
+
+OSVersion GetMacOSVersion();
+
+OSVersion GetiOSVersion();
+
+OSVersion GetLinuxOSVersion();
+
+inline bool IsAndroid()
+{
+#if defined(ANGLE_PLATFORM_ANDROID)
+    return true;
+#else
+    return false;
+#endif
+}
+
+int GetAndroidSDKVersion();
+
+}  // namespace rx
+#endif  // LIBANGLE_RENDERER_DRIVER_UTILS_H_