Gen4 cube maps are a 2-D surface with ISL_DIM_LAYOUT_GEN4_3D which is a
bit weird but accurate none the less.
Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
On Iron Lake, the packets exist but we never emit them so there's no
need for us to ask the driver to make batch space for them.
Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
This gets rid of one piece of ugliness with the way ISL handles surface
emitting surface states. I've never liked that hand-rolled table but it
was the best we had at the time.
Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
The caller does so by setting the new field
isl_surf_init_info::row_pitch.
v2: Validate the requested row_pitch.
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net> (v2)
Validate that isl_surf::row_pitch fits in the below bitfields,
if applicable based on isl_surf::usage.
RENDER_SURFACE_STATE::SurfacePitch
RENDER_SURFACE_STATE::AuxiliarySurfacePitch
3DSTATE_DEPTH_BUFFER::SurfacePitch
3DSTATE_HIER_DEPTH_BUFFER::SurfacePitch
v2:
-Add a Makefile dependency on generated header genX_bits.h.
v3:
- Test ISL_SURF_USAGE_STORAGE_BIT too. [for jekstrand]
- Drop explicity dependency on generated header. [for emil]
v4:
- Rebase for new gen_bits_header.py script.
- Replace gen_10x with gen_device_info*.
v5:
- Drop FINISHME for validation of GEN9 1D row pitch. [for jekstrand]
- Reformat bit tests. [for jekstrand]
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net> (v4)
The calculations of row_pitch, the row pitch's alignment, surface size,
and base_alignment were mixed together. This patch moves the calculation
of row_pitch and its alignment to occur before the calculation of
surface_size and base_alignment.
This simplifies a follow-on patch that adds a new member, 'row_pitch',
to struct isl_surf_init_info.
v2:
- Also extract the row pitch alignment.
- More helper functions that will later help validate the row pitch.
Reviewed-by: Nanley Chery <nanley.g.chery@intel.com> (v2)
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net> (v2)
isl has a giant comment that explains the hardware's padding
requirements. (Hint: Cache lines and page faults). But the comment is in
the wrong place, in isl_calc_linear_row_pitch(), which is unrelated to
padding.
The important parts of that comment were copied to
isl_apply_surface_padding() long ago. So drop the misplaced comment.
Reviewed-by: Nanley Chery <nanley.g.chery@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
The PRMs state that this packet is 16 DWORDS long. Ensure that the last
three DWORDS are zeroed as required by the hardware when allocating a
null surface state.
Cc: <mesa-stable@lists.freedesktop.org>
Signed-off-by: Nanley Chery <nanley.g.chery@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
v2: Instead of having the same block in isl_gen7,8,9.c add it
once into isl.c::isl_choose_image_alignment_el() instead.
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Signed-off-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
v3 (Jason Ekstrand): Add a comment explaining why
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Chad Versace <chadversary@chromium.org>
The isl_surf_init call that each of these helpers make can, in theory,
fail. We should propagate that up to the caller rather than just
silently ignoring it.
Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
Reviewed-by: Chad Versace <chadversary@chromium.org>
The CCS calculations in ISL are already correct for 1-D and 3-D CCS
surfaces since they have exactly the same layout as 2-D array surfaces (at
least on Sky Lake). The only problem was that we weren't passing in the
right dimensionality and we weren't passing in the depth.
Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
There are some invariants such as number of samples on which we should
assert. However, most other things should silently return false since
they're much easier for isl_surf_get_ccs to check than the caller. We also
update the checking to be a bit more complete.
No known fixed tests, but it looks like a typo from:
commit 8ac99eabb6
intel/isl: Add a helper for getting the size of an interleaved pixel
Cc: "13.0" <mesa-stable@lists.freedesktop.org>
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
The rest of ISL already follows this approach. Be consistent and resolve
the final references.
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Chad Versace <chadversary@chromium.org>
Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Chad Versace <chadversary@chromium.org>
Reviewed-by: Nanley Chery <nanley.g.chery@intel.com>
The HiZ and CCS tiling formats are always used for HiZ and CCS surfaces
respectively. There's no reason why we should go through filter_tiling and
it's much easier to always get HiZ and CCS right if we just handle them
directly.
Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
Reviewed-by: Chad Versace <chadversary@chromium.org>
Reviewed-by: Nanley Chery <nanley.g.chery@intel.com>
HiZ buffers can be multisampled and, on Broadwell and earlier, simply using
interleaved multisampling with a compression block size of 8x4 samples
yields the correct HiZ surface size calculations. Unfortunately,
choose_msaa_layout was rejecting multisampled HiZ buffers because of format
checks. Now that we have a simple helper for determining if a format
supports multisampling, that's an easy enough issue to fix.
Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Chad Versace <chadversary@chromium.org>
Reviewed-by: Nanley Chery <nanley.g.chery@intel.com>
Compressed 1-D textures are not well-defined thing in either GL or Vulkan.
However, auxiliary surfaces are treated as compressed textures in ISL and
we can do HiZ and CCS with 1-D so we need to be able to create them. In
order to prevent actually using them (the docs say no), we assert in the
state setup code.
Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Nanley Chery <nanley.g.chery@intel.com>
The assertion that a format is uncompressed in the multisample layouts
isn't quite right. What we really want to assert is that the format
supports multisampling which is a bit more complicated query. We also want
to assert that it has a block size of 1x1 since we do nothing with the
block size in the phys_level0_sa assignment.
Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
Reviewed-by: Chad Versace <chadversary@chromium.org>
Reviewed-by: Nanley Chery <nanley.g.chery@intel.com>
Gen6 only has one additional restriction over Gen7+, so we just add it
to the existing gen7 function (which actually covers later gens too).
This should stop FINISHME spew when running GL on Sandybridge.
v2: Fix bytes per block vs. bits per block confusion (Jason) and
rename function to gen6_filter_tiling (Jason and Chad).
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Normally, using a non-linear tiling format helps improve cache locality by
ensuring that neighboring pixels are usually close-by in memory. For RGB
formats, this still sort-of holds, but it can also lead to rather terrible
memory access patterns where a single RGB pixel value crosses a tile
boundary and gets split into two pieces in different 4K pages. It also
makes for some rather awkward calculations because your tile size is no
longer an even multiple of surface element size. For these reasons, we
chose to simply never create tiled RGB images in the Vulkan driver.
The GL driver, however, is not so kind so we need to support it somehow. I
briefly toyed with a couple of different schemes but this is the best one I
could come up with. The fundamental problem is that a tile no longer
contains an integer number of surface elements. I briefly considered a
couple other options but found them wanting:
1) Using floats for the logical tile size. This leads to potential
rounding error problems.
2) When presented with a RGB format, just make the tile 3-times as wide.
This isn't so nice because now our tiles are no longer power-of-two
size. Also, it can force the row_pitch to be larger than needed which,
while not strictly a problem for ISL, causes incompatibility problems
with the way the GL driver chooses surface pitches.
The chosen method requires that you pay attention and not just assume that
your tile_info is in the units you think it is. However, it's nice because
it provides a nice "these are the units" declaration in isl_tile_info
itself. Previously, the tile_info wasn't usable as a stand-alone structure
because you had to also know the format. It also forces figuring out how
to deal with inconsistencies between tiling and format back to the caller
which is good because the two different consumers of isl_tile_info really
want to deal with it differently: Computation of the surface size wants
the fewest number of horizontal tiles possible while get_intratile_offset
is far more concerned with things aligning nicely.
Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Acked-by: Chad Versace <chadversary@chromium.org>
Otherwise once mcs buffer gets allocated without delay for lossless
compression (same as we do for msaa), assert starts to fire in
piglit case: tex3d. The test uses depth of one which is in fact
supported even now.
v2 (Jason): Allow also 1D case as there is nothing in the specs
constraining it either.
Signed-off-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Generated by:
sed -i -e 's/brw_device_info/gen_device_info/g' src/intel/**/*.c
sed -i -e 's/brw_device_info/gen_device_info/g' src/intel/**/*.h
sed -i -e 's/brw_device_info/gen_device_info/g' **/i965/*.c
sed -i -e 's/brw_device_info/gen_device_info/g' **/i965/*.cpp
sed -i -e 's/brw_device_info/gen_device_info/g' **/i965/*.h
Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
A few inline asserts in anv assume alignments are power of 2, but with
formats like R8G8B8 we have odd alignments.
v2: round up to power of 2 (Ilia)
v3: reuse util_next_power_of_two() from gallium/aux/util/u_math.h (Ilia)
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This probably isn't the only thing that needs to be done to get
multisampled array textures working in Vulkan but I think this is all that
ISL really needs and it does fix 8 of the new CTS tests.
Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Cc: "12.0" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
Reviewed-by: Chad Versace <chadversary@chromium.org>
Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
Reviewed-by: Chad Versace <chadversary@chromium.org>
The Sky Lake 1D layout is only used if the surface is linear. For tiled
surfaces such as depth and stencil the old gen4 2D layout is used.
Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
Reviewed-by: Chad Versace <chadversary@chromium.org>
In all three cases, we start with width and height taken from
isl_surf::phys_slice0_extent_sa which is already in samples. There is no
need to do the conversion and doing so gives us an incorrect value.
Reviewed-by: Nanley Chery <nanley.g.chery@intel.com>
The function takes a logical array layer but was assuming it was a physical
array layer. While we'er here, we also make it not assert-fail on gen9 3-D
surfaces.
Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
This reverts commit 091f1da902 .
Although a user may specify a specfic tiling bit, ISL should still
prevent incompatible tiling/surface combinations.
Signed-off-by: Nanley Chery <nanley.g.chery@intel.com>
Reviewed-by: Chad Versace <chad.versace@intel.com>
When we initially dropped bpb in favor of bs, we accidentally didn't change
this one line properly. This brings it back to what it should be.
Reviewed-by: Chad Versace <chad.versace@intel.com>
This is based on a very long set of discussions between Chad and myself
about how we should properly represent HiZ and CCS buffers. The end result
of that discussion was that a tiling actually has two different sizes, a
logical size in elements, and a physical size in bytes and rows. This
commit reworks ISL's pitch and size calculations to work in terms of these
two sizes.
Reviewed-by: Chad Versace <chad.versace@intel.com>
