tree 1bf1a4adbe755be192a9b9ad89934a819cdeb190
parent 7454c94414c06bfff5612f9b3c7ff359e4337084
author Alexis Hetu <sugoi@google.com> 1583960813 -0400
committer Alexis Hétu <sugoi@google.com> 1584047527 +0000

Allow 3D filtering in the Blitter

According tot he Vulkan spec, about vkCmdBlitImage:
"As the sizes of the source and destination extents can
 differ in any dimension, texels in the source extent
 are scaled and filtered to the destination extent."

Logic was added to allow filtering in 3 dimensions in
the Blitter. Since it requires more instructions, a
state member was added in order to only filter in Z
whenever we actually to do so (when the number of
slices differ between source and destination regions).

Fixes all tests mentioned in the issue.

Bug: b/150155499
Change-Id: I63da92db94d8d0394a06271cd47d4930cf5f726a
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/42208
Presubmit-Ready: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
Tested-by: Alexis Hétu <sugoi@google.com>