Minor fixup to D3D readPixels and writePixels.

The trimbytes were being set to values based on the texture rather than
the given inputs.

Bug: skia:9935
Change-Id: Ic3227236e4c3920ca4586c35791b15f5a596c069
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/284798
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Jim Van Verth <jvanverth@google.com>
1 file changed