Disable buffer to buffer transfers on WebGL.

Our implementation currently requires GrGLCaps::fTransferBufferType to
be set to something other than kNone for this to work. We haven't
enabled transfer surface/buffer transfers yet and so are not
setting this value. To do so we'd have to more thoroughly understand
the additional buffer restrictions in WebGL compared to GLES and it
isn't currently a priority.

Bug: skia:13461
Change-Id: I033b9d2c7a3116bdc95bcdbae1e4ac86c9f1b2c8
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/551894
Commit-Queue: Kevin Lubick <kjlubick@google.com>
Auto-Submit: Brian Salomon <bsalomon@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
1 file changed