[skwasm] Fix empty backdrop drawing. #56385
Merged
+60
−23
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
If our operation affects the backdrop, the layer slice builder needs to take that into account when deciding whether to actually build a slice. In addition, we should take the content in the backdrop into account when calculating the cull rect for our picture recorders.
For this to actually work, we need a fix for https://g-issues.skia.org/issues/362552959 which I am currently working on.