1 files changed, 162 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..abd2608573
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/driver_utils.h
@@ -0,0 +1,162 @@
+//
+// Copyright (c) 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_ARM     = 0x13B5,
+    VENDOR_ID_INTEL   = 0x8086,
+    VENDOR_ID_NVIDIA  = 0x10DE,
+    // 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,
+};
+
+enum AndroidDeviceID : uint32_t
+{
+    ANDROID_DEVICE_ID_UNKNOWN  = 0x0,
+    ANDROID_DEVICE_ID_NEXUS5X  = 0x4010800,
+    ANDROID_DEVICE_ID_PIXEL1XL = 0x5040001,
+    ANDROID_DEVICE_ID_PIXEL2   = 0x5030004,
+};
+
+inline bool IsAMD(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_AMD;
+}
+
+inline bool IsARM(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_ARM;
+}
+
+inline bool IsIntel(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_INTEL;
+}
+
+inline bool IsNvidia(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_NVIDIA;
+}
+
+inline bool IsQualcomm(uint32_t vendorId)
+{
+    return vendorId == VENDOR_ID_QUALCOMM;
+}
+
+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;
+}
+
+const char *GetVendorString(uint32_t vendorId);
+
+// Intel
+class IntelDriverVersion
+{
+  public:
+    // Currently, We only provide the constructor with one parameter. It mainly used in Intel
+    // version number on windows. If you want to use this class on other platforms, it's easy to
+    // be extended.
+    IntelDriverVersion(uint16_t lastPart);
+    bool operator==(const IntelDriverVersion &);
+    bool operator!=(const IntelDriverVersion &);
+    bool operator<(const IntelDriverVersion &);
+    bool operator>=(const IntelDriverVersion &);
+
+  private:
+    uint16_t mVersionPart;
+};
+
+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);
+
+// 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 IsApple()
+{
+#if defined(ANGLE_PLATFORM_APPLE)
+    return true;
+#else
+    return false;
+#endif
+}
+
+struct OSVersion
+{
+    OSVersion();
+    OSVersion(int major, int minor, int patch);
+
+    int majorVersion = 0;
+    int minorVersion = 0;
+    int patchVersion = 0;
+};
+bool operator==(const OSVersion &a, const OSVersion &b);
+bool operator!=(const OSVersion &a, const OSVersion &b);
+bool operator<(const OSVersion &a, const OSVersion &b);
+bool operator>=(const OSVersion &a, const OSVersion &b);
+
+OSVersion GetMacOSVersion();
+
+inline bool IsAndroid()
+{
+#if defined(ANGLE_PLATFORM_ANDROID)
+    return true;
+#else
+    return false;
+#endif
+}
+
+int GetAndroidSDKVersion();
+
+}  // namespace rx
+#endif  // LIBANGLE_RENDERER_DRIVER_UTILS_H_