Add Advanced Layers to the compositor line in about:support. (bug 1365879 part 22, r=milan)

2017-06-22 21:12:20 -07:00
parent d2fb1ed134
commit 3956e7121d
8 changed files with 44 additions and 4 deletions
--- a/dom/base/nsDOMWindowUtils.cpp
+++ b/dom/base/nsDOMWindowUtils.cpp
@@ -2330,6 +2330,26 @@ nsDOMWindowUtils::GetLayerManagerRemote(bool* retval)
  return NS_OK;
 }

+NS_IMETHODIMP
+nsDOMWindowUtils::GetUsingAdvancedLayers(bool* retval)
+{
+  nsCOMPtr<nsIWidget> widget = GetWidget();
+  if (!widget) {
+    return NS_ERROR_FAILURE;
+  }
+
+  LayerManager *mgr = widget->GetLayerManager();
+  if (!mgr) {
+    return NS_ERROR_FAILURE;
+  }
+
+  *retval = false;
+  if (KnowsCompositor* fwd = mgr->AsKnowsCompositor()) {
+    *retval = fwd->GetTextureFactoryIdentifier().mUsingAdvancedLayers;
+  }
+  return NS_OK;
+}
+
 NS_IMETHODIMP
 nsDOMWindowUtils::GetSupportsHardwareH264Decoding(JS::MutableHandle<JS::Value> aPromise)
 {