Bug 1131793 - Disable SurfaceTexture detach on Mali r=jgilbert

gfx/gl/AndroidSurfaceTexture.cpp

@@ -129,9 +129,11 @@ void
 AndroidSurfaceTexture::UpdateCanDetach()
 {
   // The API for attach/detach only exists on 16+, and PowerVR has some sort of
-  // fencing issue.
+  // fencing issue. Additionally, attach/detach seems to be busted on at least some
+  // Mali adapters (400MP2 for sure, bug 1131793)
   mCanDetach = AndroidBridge::Bridge()->GetAPIVersion() >= 16 &&
-    (!mAttachedContext || mAttachedContext->Vendor() != GLVendor::Imagination);
+    (!mAttachedContext || mAttachedContext->Vendor() != GLVendor::Imagination) &&
+    (!mAttachedContext || mAttachedContext->Vendor() != GLVendor::ARM /* Mali */);
 }
 
 bool

gfx/gl/GLContext.cpp

@@ -584,7 +584,8 @@ GLContext::InitWithPrefix(const char *prefix, bool trygl)
                 "Imagination",
                 "nouveau",
                 "Vivante",
-                "VMware, Inc."
+                "VMware, Inc.",
+                "ARM"
         };
 
         mVendor = GLVendor::Other;

gfx/gl/GLContext.h

@@ -154,6 +154,7 @@ enum class GLVendor {
     Nouveau,
     Vivante,
     VMware,
+    ARM,
     Other
 };