Index: third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp |
diff --git a/third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp b/third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp |
index fa89b61043337bef639bdfac0d77ade1298c2e68..6ce5018bad77b1e254497d56dff3e0a7f68f9a3f 100644 |
--- a/third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp |
+++ b/third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp |
@@ -649,6 +649,20 @@ ImageBitmap* WebGLRenderingContextBase::transferToImageBitmapBase() |
return ImageBitmap::create(drawingBuffer()->transferToStaticBitmapImage()); |
} |
+void WebGLRenderingContextBase::commit(ExceptionState& exceptionState) |
+{ |
+ if (!getOffscreenCanvas()) |
Justin Novosad
2016/09/09 19:10:50
I think this case should throw as well.
xidachen
2016/09/09 19:23:41
Done.
|
+ return; |
+ // no HTMLCanvas associated, thrown InvalidStateError |
+ if (getOffscreenCanvas()->getAssociatedCanvasId() == -1) { |
+ exceptionState.throwDOMException(InvalidStateError, "The OffscreenCanvas has no associated HTMLCanvasElement, abort commit()."); |
+ return; |
+ } |
+ if (!drawingBuffer()) |
+ return; |
+ getOffscreenCanvas()->getOrCreateFrameDispatcher()->dispatchFrame(drawingBuffer()->transferToStaticBitmapImage()); |
+} |
+ |
PassRefPtr<Image> WebGLRenderingContextBase::getImage(AccelerationHint hint, SnapshotReason reason) const |
{ |
if (!drawingBuffer()) |