move GrAtlasTextOp creation to GrRenderTargetContext
The op creation is no self contained, which means that it handles
taking the clip. For random op testing, this means that some times
no op is created for blobs that are entirely off screen. This
results in a nullptr op. The random op test has been adjust accordingly.
Change-Id: I619ffb315b7ad7c834b3e85d7120fe2cdb90c56a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/301583
Commit-Queue: Herb Derby <herb@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
6 files changed