tree f8e87d4710201c4aeeb789d9e659cdacc9890a5b
parent a9d7d478429d8deaac52a0578826783877cd556a
author Bryan Bernhart <bryan.bernhart@intel.com> 1582766062 +0000
committer Commit Bot service account <commit-bot@chromium.org> 1582766062 +0000

D3D12: Allocate GPU bind groups at draw/dispatch.

Instead of counting descriptors to be allocated for the entire command
buffer in a pre-pass, the bindgroup state tracker is used to allocate
only dirty bindgroups upon recording draw/dispatch. If the heap has no
more room and must be changed, bindgroups will be re-created according
to the BGL.

A future change will address the CPU descriptors and removal of the
pre-pass.

BUG=dawn:256,dawn:307

Change-Id: I6603de17cfda713bd4512c46e1c93618ca01bb7b
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/13400
Commit-Queue: Bryan Bernhart <bryan.bernhart@intel.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>