Commit graph

1623 commits

Author SHA1 Message Date
Chad Versace
85ca563b58 anv: Drop 'x11' prefix from non-X11 WSI funcs
Drop it from x11_anv_wsi_image_create and x11_anv_wsi_image_free. The
functions are used by Wayland WSI too.

Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
2017-04-28 08:54:45 -07:00
Jason Ekstrand
ebd1bd6998 anv: Alphabetize KHR extensions
Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
2017-04-28 07:41:03 -07:00
Jason Ekstrand
032861693e anv: Move queues, events, and semaphores to their own file
Things are about to get more complicated, especially as far as
semaphores are concerned.

Reviewed-by: Chad Versace <chadversary@chromium.org>
2017-04-27 20:08:46 -07:00
Jason Ekstrand
9bd1f03487 anv: Implement VK_KHX_external_memory_fd
This commit just exposes the memory handle type.  There's interesting we
need to do here for images.  So long as the user doesn't set any crazy
environment variables such as INTEL_DEBUG=nohiz, all of the compression
formats etc. should "just work" at least for opaque handle types.

v2 (chadv):
  - Rebase.
  - Fix vkGetPhysicalDeviceImageFormatProperties2KHR when
    handleType == 0.
  - Move handleType-independency comments out of handleType-switch, in
    vkGetPhysicalDeviceExternalBufferPropertiesKHX.  Reduces diff in
    future dma_buf patches.

Co-authored-with: Chad Versace <chadversary@chromium.org>
Reviewed-by: Chad Versace <chadversary@chromium.org>
2017-04-27 20:08:46 -07:00
Jason Ekstrand
818b857914 anv: Use the BO cache for DeviceMemory allocations
Reviewed-by: Chad Versace <chadversary@chromium.org>
2017-04-27 20:08:46 -07:00
Jason Ekstrand
494d6f65a7 anv/allocator: Add a BO cache
This cache allows us to easily ensure that we have a unique anv_bo for
each gem handle.  We'll need this in order to support multiple-import of
memory objects and semaphores.

v2 (Jason Ekstrand):
 - Reject BO imports if the size doesn't match the prime fd size as
   reported by lseek().

Reviewed-by: Chad Versace <chadversary@chromium.org>
2017-04-27 20:08:46 -07:00
Jason Ekstrand
5d25ac6a4b anv: Implement VK_KHX_external_memory
This is the trivial implementation that just exposes the extension
string but exposes zero external handle types.

Reviewed-by: Chad Versace <chadversary@chromium.org>
2017-04-27 20:08:46 -07:00
Chad Versace
354ca7a1d4 anv: Implement VK_KHX_external_memory_capabilities
This is a complete but trivial implementation. It's trivial becasue We
support no external memory capabilities yet.  Most of the real work in
this commit is in reworking the UUIDs advertised by the driver.

v2 (chadv):
  - Fix chain traversal in vkGetPhysicalDeviceImageFormatProperties2KHR.
    Extract VkPhysicalDeviceExternalImageFormatInfoKHX from the chain of
    input structs, not the chain of output structs.
  - In vkGetPhysicalDeviceImageFormatProperties2KHR, iterate over the
    input chain and the output chain separately. Reduces diff in future
    dma_buf patches.

Co-authored-with: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Chad Versace <chadversary@chromium.org>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
2017-04-27 20:08:46 -07:00
Jason Ekstrand
d4d9258b61 anv/physical_device: Rename uuid to pipeline_cache_uuid
We're about to have more UUIDs for different things so this one really
needs to be properly labeled.

Reviewed-by: Chad Versace <chadversary@chromium.org>
2017-04-27 20:08:46 -07:00
Jason Ekstrand
02767cb4ff anv: Refactor device_get_cache_uuid into physical_device_init_uuids
Reviewed-by: Chad Versace <chadversary@chromium.org>
2017-04-27 20:08:46 -07:00
Jason Ekstrand
35e626bd0e anv: Set EXEC_OBJECT_ASYNC when available
Reviewed-by: Chad Versace <chadversary@chromium.org>
2017-04-27 20:08:46 -07:00
Jason Ekstrand
bd3a9813b9 anv/cmd_buffer: Use the device allocator for QueueSubmit
The command is really operating on a Queue not a command buffer and the
nearest object to that with an allocator is VkDevice.

Reviewed-by: Chad Versace <chadversary@chromium.org>
Cc: "17.0 17.1" <mesa-dev@lists.freedesktop.org>
2017-04-27 20:08:46 -07:00
Jason Ekstrand
c43b4bc85e anv: Don't place scratch buffers above the 32-bit boundary
This fixes rendering corruptions in DOOM.  Hopefully, it will also make
Jenkins a bit more stable as we've been seeing some random failures and
GPU hangs ever since turning on 48bit.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=100620
Fixes: 651ec926fc "anv: Add support for 48-bit addresses"
Tested-by: Grazvydas Ignotas <notasas@gmail.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Cc: "17.1" <mesa-stable@lists.freedesktop.org>
2017-04-27 02:04:57 -07:00
Rafael Antognolli
6a40ccec4b genxml: Fix gen_pack_header.py crash when field type is invalid.
Just return earlier in that case. Also set prefix to an empty string, so
we don't get to use it undefined.

Signed-off-by: Rafael Antognolli <rafael.antognolli@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
2017-04-24 15:14:12 -07:00
Rafael Antognolli
9670124e31 genxml: Make BLEND_STATE command support variable length array.
We need to emit BLEND_STATE, which size is 1 + 2 * nr_draw_buffers
dwords (on gen8+), but the BLEND_STATE struct length is always 17. By
marking it size 1, which is actually the size of the struct minus the
BLEND_STATE_ENTRY's, we can emit a BLEND_STATE of variable number of
entries.

For gen6 and gen7 we set length to 0, since it only contains
BLEND_STATE_ENTRY's, and no other data.

With this change, we also change the code for blorp and anv to emit only
the needed BLEND_STATE_ENTRY's, instead of always emitting 16 dwords on
gen6-7 and 17 dwords on gen8+.

v2:
   - Use designated initializers on blorp and remove 0 from
   initialization (Jason)
   - Default entries to disabled on Vulkan (Jason)
   - Rebase code.

Signed-off-by: Rafael Antognolli <rafael.antognolli@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
2017-04-24 15:14:10 -07:00
Rafael Antognolli
4ace73b1f6 genxml: Fix python crash when no dwords are found.
If the 'dwords' dict is empty, max(dwords.keys()) throws an exception.
This case could happen when we have an instruction that is only an array
of other structs, with variable length.

v2:
   - Add another clause for empty dwords and make it work with python 3
   (Dylan)
   - Set the length to 0 if dwords is empty, and do not declare dw

Signed-off-by: Rafael Antognolli <rafael.antognolli@intel.com>
Reviewed-by: Dylan Baker <dylan@pnwbakers.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
2017-04-24 15:14:08 -07:00
Rafael Antognolli
19720405d5 genxml: Remove unused parameter.
'start' parameter from Group.emit_pack_function() is useless.

Signed-off-by: Rafael Antognolli <rafael.antognolli@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
2017-04-24 15:14:05 -07:00
Rafael Antognolli
1ea41163eb intel/aubinator: Correctly read variable length structs.
Before this commit, when a group with count="0" is found, only one field
is added to the struct representing the instruction. This causes only
one entry to be printed by aubinator, for variable length groups.

With this commit we "detect" that there's a variable length group
(count="0") and store the offset of the last entry added to the struct
when reading the xml. When finally reading the aubdump file, we check
the size of the group and whether we have variable number of elements,
and in that case, reuse the last field to add the remaining elements.

Signed-off-by: Rafael Antognolli <rafael.antognolli@intel.com>
Tested-by: Jason Ekstrand <jason@jlekstrand.net>
Acked-by: Kenneth Graunke <kenneth@whitecape.org>
2017-04-24 15:13:51 -07:00
Nanley Chery
50134cede1 isl/format: Update the R16G16B16X16_FLOAT entry
The section of the PRM mentioned in the code comment above this table
says that this format supports the render target write message. Internal
documentation says that this format also supports alpha blending. As a
side effect, this allows CCS_D buffers to be created for images with
this format.

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Signed-off-by: Nanley Chery <nanley.g.chery@intel.com>
2017-04-24 13:30:50 -07:00
Nanley Chery
b1066f7365 anv/pass: Delete anv_pass::subpass_attachments
This field has no users.

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Signed-off-by: Nanley Chery <nanley.g.chery@intel.com>
2017-04-24 13:30:50 -07:00
Francisco Jerez
58324389be intel/fs: Take into account amount of data read in spilling cost heuristic.
Until now the spilling cost calculation was neglecting the amount of
data read from the register during the spilling cost calculation.
This caused it to make suboptimal decisions in some cases leading to
higher memory bandwidth usage than necessary.

Improves Unigine Heaven performance by ~4% on BDW, reversing an
unintended FPS regression from my previous commit
147e71242c with n=12 and statistical
significance 5%.  In addition SynMark2 OglCSDof performance is
improved by an additional ~5% on SKL, and a Kerbal Space Program
apitrace around the Moho planet I can provide on request improves by
~20%.

Cc: <mesa-stable@lists.freedesktop.org>
Reviewed-by: Plamena Manolova <plamena.manolova@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
2017-04-24 11:01:40 -07:00
Francisco Jerez
ecc19e12dc intel/fs: Use regs_written() in spilling cost heuristic for improved accuracy.
This is what we use later on to compute the number of registers that
will actually get spilled to memory, so it's more likely to match
reality than the current open-coded approximation.

Cc: <mesa-stable@lists.freedesktop.org>
Reviewed-by: Plamena Manolova <plamena.manolova@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
2017-04-24 10:59:56 -07:00
Kenneth Graunke
6b10c37b9c i965/vec4: Use reads_accumulator_implicitly(), not MACH checks.
Curro pointed out that I should not just check for MACH, but use
the reads_accumulator_implicitly() helper, which would also prevent
the same bug with MAC and SADA2 (if we ever decide to use them).

Cc: mesa-stable@lists.freedesktop.org
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
2017-04-24 10:53:49 -07:00
Timothy Arceri
7a7ee40c2d nir/i965: add before ffma algebraic opts
This shuffles constants down in the reverse of what the previous
patch does and applies some simpilifications that may be made
possible from doing so.

Shader-db results BDW:

total instructions in shared programs: 12980814 -> 12977822 (-0.02%)
instructions in affected programs: 281889 -> 278897 (-1.06%)
helped: 1231
HURT: 128

total cycles in shared programs: 246562852 -> 246567288 (0.00%)
cycles in affected programs: 11271524 -> 11275960 (0.04%)
helped: 1630
HURT: 1378

V2: mark float opts as inexact

Reviewed-by: Elie Tournier <elie.tournier@collabora.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
2017-04-24 12:08:14 +10:00
Kenneth Graunke
2faf227ec2 i965/vec4: Avoid reswizzling MACH instructions in opt_register_coalesce().
opt_register_coalesce() was optimizing sequences such as:

   mul(8) acc0:D, attr18.xyyy:D, attr19.xyyy:D
   mach(8) vgrf5.xy:D, attr18.xyyy:D, attr19.xyyy:D
   mov(8) m4.zw:F, vgrf5.xxxy:F

into:

   mul(8) acc0:D, attr18.xyyy:D, attr19.xyyy:D
   mach(8) m4.zw:D, attr18.xxxy:D, attr19.xxxy:D

This doesn't work - if we're going to reswizzle MACH, we'd need to
reswizzle the MUL as well.  Here, the MUL fills the accumulator's .zw
components with attr18.yy * attr19.yy.  But the MACH instruction expects
.z to contain attr18.x * attr19.x.  Bogus results ensue.

No change in shader-db on Haswell.  Prevents regressions in Timothy's
patches to use enhanced layouts for varying packing (which rearrange
code just enough to trigger this pre-existing bug, but were fine
themselves).

Acked-by: Timothy Arceri <tarceri@itsqueeze.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
2017-04-22 00:01:16 -07:00
Jason Ekstrand
1e21d4227e anv/query: Use genxml for MI_MATH
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed by: Iago Toral Quiroga <itoral@igalia.com>
2017-04-20 15:24:06 -07:00
Jason Ekstrand
e23129ac0c genxml: Add better support for MI_MATH
This breaks the guts of MI_MATH (the instruction part) out into its own
structure with proper named values.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed by: Iago Toral Quiroga <itoral@igalia.com>
2017-04-20 15:24:06 -07:00
Jason Ekstrand
b7a2af8e38 genxml/pack: Allow hex values in the XML
Acked-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed by: Iago Toral Quiroga <itoral@igalia.com>
Reviewed-by: Dylan Baker <dylan@pnwbakers.com>
2017-04-20 15:24:06 -07:00
Nanley Chery
d9d793696b anv/cmd_buffer: Disable CCS on BDW input attachments
The description under RENDER_SURFACE_STATE::RedClearColor says,

   For Sampling Engine Multisampled Surfaces and Render Targets:
    Specifies the clear value for the red channel.
   For Other Surfaces:
    This field is ignored.

This means that the sampler on BDW doesn't support CCS.

Cc: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: <mesa-stable@lists.freedesktop.org>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Signed-off-by: Nanley Chery <nanley.g.chery@intel.com>
2017-04-17 16:47:38 -07:00
Lionel Landwerlin
d71efbe5f2 anv: blorp: flush memory after copy
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Cc: "13.0 17.0" <mesa-stable@lists.freedesktop.org>
2017-04-17 14:45:57 -07:00
Kenneth Graunke
9b71709cb8 intel/decoder: Fix is_header_field starting condition.
Starting positions >= 32 are not part of the header, rather than >.

Caught by Coverity, which found that "bits <<= field->start" may shift
by 32, which has undefined behavior.

CID: 1404968

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
2017-04-16 22:58:23 -07:00
Jason Ekstrand
d2d6cf6c83 anv: Add the pci_id into the shader cache UUID
This prevents a user from using a cache created on one hardware
generation on a different one.  Of course, with Intel hardware, this
requires moving their drive from one machine to another but it's still
possible and we should prevent it.

Reviewed-by: Chad Versace <chadversary@chromium.org>
Cc: mesa-stable@lists.freedesktop.org
2017-04-14 17:41:07 -07:00
Matt Turner
2eeb1b0ad9 i965: Use correct VertStride on align16 instructions.
In commit c35fa7a, we changed the "width" of DF source registers to 2,
which is conceptually fine. Unfortunately a VertStride of 2 is not
allowed by align16 instructions on IVB/BYT, and the regular VertStride
of 4 works fine in any case.

See generated_tests/spec/arb_gpu_shader_fp64/execution/built-in-functions/vs-round-double.shader_test
for example:

cmp.ge.f0(8)    g18<1>DF        g1<0>.xyxyDF    -g8<2>DF        { align16 1Q };
        ERROR: In Align16 mode, only VertStride of 0 or 4 is allowed
cmp.ge.f0(8)    g19<1>DF        g1<0>.xyxyDF    -g9<2>DF        { align16 2N };
        ERROR: In Align16 mode, only VertStride of 0 or 4 is allowed

v2:
- Add spec quote (Curro).
- Change the condition to only BRW_VERTICAL_STRIDE_2 (Curro)

Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
2017-04-14 14:56:09 -07:00
Samuel Iglesias Gonsálvez
d8441e2276 i965/vec4/dce: improve track of partial flag register writes
This is required for correctness in presence of multiple 4-wide flag
writes (e.g. 4-wide instructions with a conditional mod set) which
update a different portion of the same 8-bit flag subregister.

Right now we keep track of flag dataflow with 8-bit granularity and
consider flag writes to have killed any previous definition of the
same subregister even if the write was less than 8 channels wide,
which can cause live flag register updates to be dead
code-eliminated incorrectly.

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
2017-04-14 14:56:09 -07:00
Samuel Iglesias Gonsálvez
c1fc8fad47 i965/vec4: don't do horizontal stride on some register file types
horiz_offset() shouldn't be doing anything for scalar registers,
because all channels of any SIMD instructions will end up reading or
writing the same component of the register, so shifting the register
offset would be wrong.

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
[ Francisco Jerez: Re-implement in terms of is_uniform() for
  simplicity.  Pass argument by const reference.  Clarify commit
  message. ]
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
2017-04-14 14:56:09 -07:00
Matt Turner
21e8e3a848 i965/vec4: Fix exec size for MOVs {SET,PICK}_{HIGH,LOW}_32BIT.
Otherwise for a pack_double_2x32_split opcode, we emit:

   vec1 64 ssa_135 = pack_double_2x32_split ssa_133, ssa_134
mov(8)          g5<1>UD         g5<4>.xUD                       { align16 1Q compacted };
mov(8)          g7<2>UD         g5<4,4,1>UD                     { align1 1Q };
        ERROR: When the destination spans two registers, the source must span two registers
               (exceptions for scalar source and packed-word to packed-dword expansion)
mov(8)          g8<2>UD         g5.4<4,4,1>UD                   { align1 2N };
        ERROR: The offset from the two source registers must be the same
mov(8)          g5<1>UD         g6<4>.xUD                       { align16 1Q compacted };
mov(8)          g7.1<2>UD       g5<4,4,1>UD                     { align1 1Q };
        ERROR: When the destination spans two registers, the source must span two registers
               (exceptions for scalar source and packed-word to packed-dword expansion)
mov(8)          g8.1<2>UD       g5.4<4,4,1>UD                   { align1 2N };
        ERROR: The offset from the two source registers must be the same

The intention was to emit mov(4)s for the instructions that have ERROR
annotations.

See tests/spec/arb_gpu_shader_fp64/execution/vs-isinf-dvec.shader_test
for example.

v2 (Samuel):
- Instead of setting the exec size to a fixed value, don't double it
(Curro).
- Add PICK_{HIGH,LOW}_32BIT to the condition.

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
[ Francisco Jerez: Trivial rebase changes. ]
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
2017-04-14 14:56:09 -07:00
Samuel Iglesias Gonsálvez
f030aaf2fb i965/vec4: use vec4_builder to emit instructions in setup_imm_df()
Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
[ Francisco Jerez: Drop useless vec4_visitor dependencies.  Demote to
  static stand-alone function.  Don't write unused components in the
  result.  Use vec4_builder interface for register allocation. ]
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
2017-04-14 14:56:09 -07:00
Juan A. Suarez Romero
a907c91e93 i965/vec4: consider subregister offset in live variables
Take into account offset values less than a full register (32 bytes)
when getting the var from register.

This is required when dealing with an operation that writes half of the
register (like one d2x in IVB/BYT, which uses exec_size == 4).

v2:
- Take in account this offset < 32 in liveness analysis too (Curro)

v3:
- Change formula in var_from_reg() (Curro)
- Remove useless changes (Curro)

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
2017-04-14 14:56:08 -07:00
Francisco Jerez
92649a3e67 i965/vec4: fix assert to detect SIMD lowered DF instructions in IVB
On IVB, DF instructions have lowered the SIMD width to 4 but the
exec_size will be later doubled. Fix the assert to avoid crashing in
this case.

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
[ Francisco Jerez: Simplify assert.  Except for the 'inst->group % 4
  == 0' part the assertion was redundant with the previous assertion. ]
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
2017-04-14 14:56:08 -07:00
Samuel Iglesias Gonsálvez
6e3265eae5 i965/vec4: split VEC4_OPCODE_FROM_DOUBLE into one opcode per destination's type
This way we can set the destination type as double to all these new opcodes,
avoiding any optimizer's confusion that was happening before.

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
[ Francisco Jerez: Drop no_spill workaround originally needed due to
  the bogus destination type of VEC4_OPCODE_FROM_DOUBLE. ]
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
2017-04-14 14:56:08 -07:00
Samuel Iglesias Gonsálvez
50a5217637 i965/vec4: split d2x conversion and data gathering from one opcode to two explicit ones
When doing a 64-bit to a smaller data type size conversion, the destination should
be aligned to 64-bits. Because of that, we need to gather the data after the
actual conversion.

Until now, these two operations were done by VEC4_OPCODE_FROM_DOUBLE but
now we split them explicitely in two different instructions:
VEC4_OPCODE_FROM_DOUBLE just do the conversion and
VEC4_OPCODE_PICK_LOW_32BIT will gather the data.

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
2017-04-14 14:56:08 -07:00
Juan A. Suarez Romero
cfaf14a126 i965/vec4: fix VEC4_OPCODE_FROM_DOUBLE for IVB/BYT
In the generator we must generate slightly different code for
Ivybridge/Baytrail, because of the way the stride works in
this hardware.

v2:
- Use stride and don't need to fix dst (Curro)

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
2017-04-14 14:56:08 -07:00
Juan A. Suarez Romero
be445d3ea3 i965/vec4: keep original type when dealing with null registers
Keep the original type when dealing with null registers. Especially
because we do no want to introduce an implicit conversion between
types that could affect the conditional flags.

This affects especially when the original type is DF, and we are working
on Ivybridge/Baytrail.

v2 (Curro)
- Fix typo.
- Use retype() instead of applying the type directly.
- Remove unneeded retype.

Reviewed-by: Francisco Jerez <currojerez@riseup.net>
2017-04-14 14:56:08 -07:00
Samuel Iglesias Gonsálvez
a21dc2b500 i965/vec4: split DF instructions and later double its execsize in IVB/BYT
We need to split DF instructions in two on IVB/BYT as it needs an
execsize 8 to process 4 DF values (one GRF in total).

v2:
- Rename helper and make it static inline function (Matt).
- Fix indention and add braces (Matt).

v3:
- Don't edit IR instruction when doubling exec_size (Curro)
- Add comment into the code (Curro).
- Manage ARF registers like the others (Curro)

v4:
- Add get_exec_type() function and use it to calculate the execution
  size.

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
[ Francisco Jerez: Fix bogus 'type != BAD_FILE' check.  Take
  destination type as execution type where there is no valid source.
  Assert-fail if the deduced execution type is byte.  Clarify comment
  in get_lowered_simd_width().  Move SIMD width workaround outside of
  'if (...inst->size_written > REG_SIZE)' conditional block, since the
  problem should be independent of whether the amount of data written
  by the instruction is greater or lower than a GRF.  Drop redundant
  is_ivb_df definition.  Drop bogus inst->exec_size < 8 check.
  Simplify channel group assertion. ]
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
2017-04-14 14:56:08 -07:00
Samuel Iglesias Gonsálvez
a5399e8b1c i965/fs: lower all non-force_writemask_all DF instructions to SIMD4 on IVB/BYT
The hardware applies the same channel enable signals to both halves of
the compressed instruction which will be just wrong under non-uniform
control flow. Fix this by splitting those instructions to SIMD4.

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
2017-04-14 14:56:08 -07:00
Francisco Jerez
ebfb703d44 i965/fs: Get 64-bit indirect moves working on IVB.
Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
2017-04-14 14:56:08 -07:00
Matt Turner
630b84cdc8 i965: Use source region <1,2,0> when converting to DF.
Doing so allows us to use a single MOV in VEC4_OPCODE_TO_DOUBLE instead
of two.

Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
2017-04-14 14:56:08 -07:00
Juan A. Suarez Romero
3198ce3f96 i965/fs: fix lower SIMD width for IVB/BYT's MOV_INDIRECT
According to the IVB and HSW PRMs:

"2.When the destination requires two registers and the sources are
 indirect, the sources must use 1x1 regioning mode."

So for DF instructions the execution size is not limited by the number
of address registers that are available, but by the EU decompression
logic not handling VxH indirect addressing correctly.

This patch limits the SIMD width to 4 in this case.

v2:
- Fix typo (Matt).
- Fix condition (Curro)

v3:
- Add spec quote (Curro)

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Signed-off-by: Juan A. Suarez Romero <jasuarez@igalia.com>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
2017-04-14 14:56:07 -07:00
Juan A. Suarez Romero
571cbd05eb i965/fs: fix dst stride in IVB/BYT type conversions
When converting a DF to 32-bit conversions, we set dst stride to 2,
to fulfill alignment restrictions because the upper Dword of every
Qword will be written with undefined value.

But in IVB/BYT, this is not necessary, as each DF conversion already
writes 2, the first one the real value, and the second one a 0.
That is, IVB/BYT already set stride = 2 implicitly, so we must set it to
1 explicitly to avoid ending up with stride = 4.

v2:
- Fix typo (Matt)

v3:
- Fix stride in the destination's brw_reg, don't modity IR (Curro)

v4:
- Remove 'is_dst' argument of brw_reg_from_fs_reg() (Curro)
- Fix comment (Curro).
- Relax hstride assert (Curro)

Signed-off-by: Juan A. Suarez Romero <jasuarez@igalia.com>
Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
[ Francisco Jerez: Minor spelling fixes. ]
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
2017-04-14 14:56:07 -07:00
Samuel Iglesias Gonsálvez
af6fc3a8ea i965/fs: rename lower_d2x to lower_conversions
v2:
- Change the name to lower_conversions.

Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
2017-04-14 14:56:07 -07:00