GrSurfaceContext read/writePixels fail on GrColorType::kUnknown

There are SkColorTypes (e.g. kBGR_101010x) that don't have Gr equivs.
When a SkPixmap is converted to GrPixmap we will have a kUnknown color
type.

Bug: chromium:1164705
Change-Id: Iefa2c8363582433a531c5501aa251c571b5a6eab
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/358521
Auto-Submit: Brian Salomon <bsalomon@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
1 file changed