1 files changed, 16 insertions, 0 deletions
diff --git a/Source/WebCore/platform/graphics/Extensions3D.h b/Source/WebCore/platform/graphics/Extensions3D.h
index 5f28afb3b..48b26ce12 100644
--- a/Source/WebCore/platform/graphics/Extensions3D.h
+++ b/Source/WebCore/platform/graphics/Extensions3D.h
@@ -188,6 +188,22 @@ public:
     virtual void insertEventMarkerEXT(const String&) = 0;
     virtual void pushGroupMarkerEXT(const String&) = 0;
     virtual void popGroupMarkerEXT(void) = 0;
+
+    virtual bool isNVIDIA() = 0;
+    virtual bool isAMD() = 0;
+    virtual bool isIntel() = 0;
+    virtual String vendor() = 0;
+
+    // If this method returns false then the system *definitely* does not support multisampling.
+    // It does not necessarily say the system does support it - callers must attempt to construct
+    // multisampled renderbuffers and check framebuffer completeness.
+    // Ports should implement this to return false on configurations where it is known
+    // that multisampling is not available.
+    virtual bool maySupportMultisampling() = 0;
+
+    // Some configurations have bugs regarding built-in functions in their OpenGL drivers
+    // that must be avoided. Ports should implement this flag such configurations.
+    virtual bool requiresBuiltInFunctionEmulation() = 0;
 };
 
 } // namespace WebCore