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..89a4f71bb9226af6b83913b1586026971dc11bdb 100644 |
--- a/third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp |
+++ b/third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.cpp |
@@ -649,6 +649,22 @@ ImageBitmap* WebGLRenderingContextBase::transferToImageBitmapBase() |
return ImageBitmap::create(drawingBuffer()->transferToStaticBitmapImage()); |
} |
+void WebGLRenderingContextBase::commit(ExceptionState& exceptionState) |
+{ |
+ if (!getOffscreenCanvas()) { |
+ exceptionState.throwDOMException(InvalidStateError, "No OffscreenCanvas exists, abort commit()."); |
Justin Novosad
2016/09/12 13:53:25
Error message would be more readable like this "Co
xidachen
2016/09/14 01:33:12
Done.
|
+ return; |
+ } |
+ // no HTMLCanvas associated, thrown InvalidStateError |
+ if (getOffscreenCanvas()->getAssociatedCanvasId() == -1) { |
+ exceptionState.throwDOMException(InvalidStateError, "Commit() was called on a context whose OffscreenCanvas is not associated with a canvas element."); |
+ return; |
+ } |
+ if (!drawingBuffer()) |
+ return; |
+ getOffscreenCanvas()->getOrCreateFrameDispatcher()->dispatchFrame(drawingBuffer()->transferToStaticBitmapImage()); |
Justin Novosad
2016/09/12 13:53:25
Race condition right here. The return value of dra
|
+} |
+ |
PassRefPtr<Image> WebGLRenderingContextBase::getImage(AccelerationHint hint, SnapshotReason reason) const |
{ |
if (!drawingBuffer()) |