tree 88d71a8732d75658b5592afb2fb86a7b0b648916
parent 7f72df9693204649d74c2031627e978b6230ba8f
author Nicolas Capens <capn@google.com> 1513004797 -0500
committer Nicolas Capens <nicolascapens@google.com> 1513265996 +0000

Separate image depth and samples count.

Previously, multisampled images used the 'depth' member of 3D images
or 2D arrays as the number of samples. This caused rendering to a
layer of a 2D array to be interpreted as rendering to a multisampled
render target. This change adds a 'samples' member which is orthogonal
to 'depth'.

Note that write operations put the same color into each of the samples,
while read operations (still) assume multisampled images have been
resolved into the first slice.

Change-Id: Ib33a0cf8194e19fcbb569b0c257ba1e1bd9c4821
Reviewed-on: https://swiftshader-review.googlesource.com/14808
Tested-by: Nicolas Capens <nicolascapens@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>