1 files changed, 90 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/gpu/GrUtil.h b/gfx/skia/skia/src/gpu/GrUtil.h
new file mode 100644
index 0000000000..5412f0b292
--- /dev/null
+++ b/gfx/skia/skia/src/gpu/GrUtil.h
@@ -0,0 +1,90 @@
+/*
+ * Copyright 2019 Google LLC
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+#ifndef GrUtil_DEFINED
+#define GrUtil_DEFINED
+
+#include "include/core/SkTypes.h"
+
+enum GrIntelGpuFamily {
+    kUnknown_IntelGpuFamily,
+
+    // 6th gen
+    kSandyBridge_IntelGpuFamily,
+
+    // 7th gen
+    kIvyBridge_IntelGpuFamily,
+    kValleyView_IntelGpuFamily, // aka BayTrail
+    kHaswell_IntelGpuFamily,
+
+    // 8th gen
+    kCherryView_IntelGpuFamily, // aka Braswell
+    kBroadwell_IntelGpuFamily,
+
+    // 9th gen
+    kApolloLake_IntelGpuFamily,
+    kSkyLake_IntelGpuFamily,
+    kGeminiLake_IntelGpuFamily,
+    kKabyLake_IntelGpuFamily,
+    kCoffeeLake_IntelGpuFamily,
+
+    // 11th gen
+    kIceLake_IntelGpuFamily,
+};
+
+GrIntelGpuFamily GrGetIntelGpuFamily(uint32_t deviceID) {
+    // https://en.wikipedia.org/wiki/List_of_Intel_graphics_processing_units
+    uint32_t maskedID = deviceID & 0xFF00;
+    switch (maskedID) {
+        case 0x0100:
+            switch (deviceID & 0xFFF0) {
+                case 0x0100:
+                case 0x0110:
+                case 0x0120:
+                    return kSandyBridge_IntelGpuFamily;
+                case 0x0150:
+                    if (deviceID == 0x0155 || deviceID == 0x0157) {
+                        return kValleyView_IntelGpuFamily;
+                    }
+                    if (deviceID == 0x0152 || deviceID == 0x015A) {
+                        return kIvyBridge_IntelGpuFamily;
+                    }
+                    break;
+                case 0x0160:
+                    return kIvyBridge_IntelGpuFamily;
+                default:
+                    break;
+            }
+            break;
+        case 0x0F00:
+            return kValleyView_IntelGpuFamily;
+        case 0x0400:
+        case 0x0A00:
+        case 0x0D00:
+            return kHaswell_IntelGpuFamily;
+        case 0x2200:
+            return kCherryView_IntelGpuFamily;
+        case 0x1600:
+            return kBroadwell_IntelGpuFamily;
+        case 0x5A00:
+            return kApolloLake_IntelGpuFamily;
+        case 0x1900:
+            return kSkyLake_IntelGpuFamily;
+        case 0x3100:
+            return kGeminiLake_IntelGpuFamily;
+        case 0x5900:
+            return kKabyLake_IntelGpuFamily;
+        case 0x3E00:
+            return kCoffeeLake_IntelGpuFamily;
+        case 0x8A00:
+            return kIceLake_IntelGpuFamily;
+        default:
+            break;
+    }
+    return kUnknown_IntelGpuFamily;
+}
+
+#endif