When looping through VkBufferImageCopy regions, for each region we
incremented the offset into the VkBuffer assuming the format size was 4.
Fixes CTS tests dEQP-VK.pipeline.image.view_type.cube_array.3d.* on
Skylake.
For tiled 3D surfaces, the array pitch must aligned to the tile height.
From the Skylake BSpec >> RENDER_SURFACE_STATE >> Surface QPitch:
Tile Mode != Linear: This field must be set to an integer multiple of
the tile height
Fixes CTS tests 'dEQP-VK.pipeline.image.view_type.3d.format.r8g8b8a8_unorm.*'.
Fixes Crucible tests 'func.miptree.r8g8b8a8-unorm.aspect-color.view-3d.*'.
Previously, we were setting it to true at the top of the switch statement.
However, this causes all of the cases to get executed until you hit a
break. Instead, you want to be not executing at the start, start executing
when you hit your case, and end at a break.
QPitch is usually expressed as rows of surface elements (where a surface
element is an compression block or a single surface sample. Skylake 1D
is an outlier; there QPitch is expressed as individual surface
elements.
For 1D surfaces and for surfaces with Yf or Ys tiling, the hardware
ignores SurfaceVerticalAlignment and SurfaceHorizontalAlignment.
Moreover, the anv_halign[] and anv_valign[] lookup tables may not even
contain the surface's actual alignment values. So don't do the lookup
for those surfaces.
Instead of trying to crawl through predecessor chains and build phi nodes,
we just do a poor-man's out-of-ssa on the spot. The into-SSA pass will
deal with putting the actual phi nodes in for us.
This is not really a cache yet, but it allows us to share one state
stream for all pipelines, which means we can bump the block size without
wasting a lot of memory.
gen7_filter_tiling() should filter out only tiling flags that are
incompatible with the surface. It shouldn't make performance decisions,
such as forcing linear for 1D; that's the role of the caller.
struct isl_format_layout contained two near-redundant members: bpb (bits
per block) and bs (block size). There do exist some hardware formats for
which bpb != 8 * bs, but Vulkan does not use them. Therefore we don't
need bpb.
Previously, anv_image_view had a anv_format pointer that we used for
everything. This commit replaces that pointer with a VkFormat enum copied
from the API and an isl_format. In order to implement RGB formats, we have
to use a different isl_format for the actual surface state than the obvious
one from the VkFormat. Separating the two helps us keep things streight.
It now calls get_isl_format to get both linear and tiled views of the
format and determines linear/tiled properties from that. Buffer properties
are determined from the linear format.
