Chinmay Garde 2a63aa8396 Add a display list op to clear to transformation stack. (flutter/engine#32050)
This allows for the implementation of the
DisplayListCanvasRecoder::didSetM44. Instead of another operation that
clears the transformation stack along with setting a new transformation
on it. A single no-payload operation that clears the stack is added.
Existing ops to push to the stack are then reused.
2022-03-16 12:40:24 -07:00
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