FUCHSIA: Revert "turnip: Share gmem allocations between attachments."

This reverts commit 37ce9a7a61287087b6bd5d7cc8d3628ff7e248b9.

This is needed to fix rendering issues.

Bug:533420284
Bug:479863295
Change-Id: I946990b943652295eed60aa2d406f6b4ecd55db5
.
Reviewed-on: https://fuchsia-review.googlesource.com/c/third_party/mesa/+/1455813
Reviewed-by: David Gilhooley <dgilhooley@google.com>
Commit-Queue: Craig Stout <cstout@google.com>
1 file changed