tree fd5424393a1e31133376bafd74890ce5ece1193f
parent 61fbb28547d2f0a4716eb7f92325554fa87e2ca4
author Yunchao He <yunchao.he@intel.com> 1617316843 +0000
committer Commit Bot service account <commit-bot@chromium.org> 1617316843 +0000

Implement 3D texture copy on D3D12 backend: copy to entire 3DTexture

This is the first patch to implement 3D texture copy. It starts with
implementation for 3D texture copy on D3D12 backend with the simplest
case: copy to the entire 3D texture. And texture's width is aligned
with 256 bytes.

The implementation for 3d texture copy might be inaccurate/incorrect
in some functions for complicated cases. But don't panic. The previous
implementation is also incorrect because many functions assumes that
we are copying to/from 2D textures only. And I will incrementally fix
the incorrect functions via upcoming tests for 3d texture copy.

BUG: dawn:547

Change-Id: I588b09fc8d0f0398e0798573415ba3a6a3f576fc
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/45980
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Yunchao He <yunchao.he@intel.com>