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572 Commits

Author SHA1 Message Date
Marek Olšák 4fb2eddfdf gallium/util: remove empty file u_half.h 
Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6774>
 2020-09-30 16:28:24 +00:00
Marek Olšák 2b6a172343 util: remove util_float_to_half and util_half_to_float wrappers 
Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6774>
 2020-09-30 16:28:24 +00:00
Christian Gmeiner a7e3cc7a0e etnaviv: simplify linear stride implementation 
As documented in the galcore kernel driver "only LOD0 is valid
for this register". This makes sense, as NTE's LINEAR_STRIDE is
only capable to store one linear stride value per sampler.
This fixes linear textures in sampler slot != 0.

Fixes: 34458c1cf6 ("etnaviv: add linear sampling support")
CC: <mesa-stable@lists.freedesktop.org>
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Michael Tretter <m.tretter@pengutronix.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3285>
 2020-09-25 08:03:17 +00:00
Kenneth Graunke 140f53e646 Revert "nir: replace lower_ffma and fuse_ffma with has_ffma" 
This reverts commit 939ddf3f67.

Intel has a separate pass for fusing FFMAs selectively.  We split
these flags in commit 1b72c31e1f and
the reasoning still stands.  The patch being reverted was just a
cleanup, so there should be no issue with reverting it.

Acked-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6849>
 2020-09-24 13:11:50 -07:00
Marek Olšák 939ddf3f67 nir: replace lower_ffma and fuse_ffma with has_ffma 
Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6756>
 2020-09-24 12:29:11 +00:00
Marek Olšák 21174dedec nir: split fuse_ffma into fuse_ffma16/32/64 
AMD wants different behavior for each bit size

Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6756>
 2020-09-24 12:29:11 +00:00
Michael Tretter 952cf95f8b etnaviv: fix comment for source of etna_mesa_debug 
The file and the environment variables have different names than
described in the comment. Fix the comment to avoid confusion.

Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6661>
 2020-09-22 14:24:25 +00:00
Marek Olšák 31765340fd gallium: rename transfer flags -> map flags in comments 
Acked-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5749>
 2020-09-22 03:20:54 +00:00
Marek Olšák 22253e6b65 gallium: rename PIPE_TRANSFER_* -> PIPE_MAP_* 
Acked-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5749>
 2020-09-22 03:20:54 +00:00
Christian Gmeiner 77af1ca690 etnaviv: add disk cache 
Adds a shader disk-cache for shader variants.  Note that builds with
`-Dshader-cache=false` have no-op stubs with `disk_cache_create()` that
returns NULL.

This shader disk-cache gets used when using NIR only. Helps to save
about 1-2 minutes for a deqp run on gc2000.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6669>
 2020-09-18 07:45:11 +00:00
Christian Gmeiner 6a0d7f6316 etnaviv: shuffle some variant fields 
Just to group together the parts that will get serialized when we have
shader disk-cache.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6669>
 2020-09-18 07:45:11 +00:00
Christian Gmeiner f3150abe5e etnaviv: call nir_opt_shrink_vectors(..) in opt loop 
total instructions in shared programs: 105044 -> 103312 (-1.65%)
instructions in affected programs: 27328 -> 25596 (-6.34%)
helped: 55
HURT: 0
helped stats (abs) min: 4 max: 96 x̄: 31.49 x̃: 24
helped stats (rel) min: 1.18% max: 23.08% x̄: 8.26% x̃: 6.88%
95% mean confidence interval for instructions value: -37.81 -25.18
95% mean confidence interval for instructions %-change: -9.66% -6.85%
Instructions are helped.

total temps in shared programs: 2960 -> 2917 (-1.45%)
temps in affected programs: 425 -> 382 (-10.12%)
helped: 41
HURT: 6
helped stats (abs) min: 1 max: 3 x̄: 1.20 x̃: 1
helped stats (rel) min: 7.14% max: 25.00% x̄: 13.79% x̃: 12.50%
HURT stats (abs)   min: 1 max: 1 x̄: 1.00 x̃: 1
HURT stats (rel)   min: 12.50% max: 25.00% x̄: 17.52% x̃: 16.67%
95% mean confidence interval for temps value: -1.17 -0.66
95% mean confidence interval for temps %-change: -13.30% -6.29%
Temps are helped.

total immediates in shared programs: 16772 -> 16468 (-1.81%)
immediates in affected programs: 4304 -> 4000 (-7.06%)
helped: 59
HURT: 0
helped stats (abs) min: 4 max: 16 x̄: 5.15 x̃: 4
helped stats (rel) min: 2.22% max: 33.33% x̄: 9.31% x̃: 7.14%
95% mean confidence interval for immediates value: -5.88 -4.43
95% mean confidence interval for immediates %-change: -11.14% -7.49%
Immediates are helped.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6572>
 2020-09-14 18:49:26 +00:00
Jason Ekstrand 38a83a3048 nir/lower_indirect_derefs: Add a threshold 
Instead of always lowering everything, we add a threshold such that if
the total indirected array size (AoA size) is above that threshold, it
won't lower.  It's assumed that the driver will sort things out somehow
by, for instance, lowering to scratch.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5909>
 2020-09-03 14:26:49 +00:00
Eric Anholt f25e169897 nir/opt_vectorize: Add a callback for filtering of vectorizing. 
For NIR-to-TGSI, we don't want to revectorize 64-bit ops that we split to
scalar beyond vec2 width.  We even have some ops that we would rather
retain as scalar due to TGSI opcodes being scalar, or having more unusual
requirements.

This could be used to do the vectorize_vec2_16bit filtering, but that
shader compiler option is also used in algebraic so leave it in place for
now.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6567>
 2020-09-02 09:59:17 -07:00
Eric Anholt 65f484198a etnaviv: Fix unused var warning in release build from assertions. 
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6462>
 2020-08-28 22:45:08 +00:00
Marek Vasut 60975ebe58 etnaviv: Add lock around pending_ctx 
The content of rsc->pending_ctx could be changed from multiple contexts
and thus from multiple threads. The per-context lock is not sufficient
to protect this list. Add per-resource lock to protect this list.

Fixes: e5cc66dfad ("etnaviv: Rework locking")
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: <mesa-stable@lists.freedesktop.org>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6454>
 2020-08-26 09:58:10 +00:00
Marek Vasut da660c90bf etnaviv: Remove etna_resource_get_status() 
This function is not used, remove it.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: <mesa-stable@lists.freedesktop.org>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6454>
 2020-08-26 09:58:10 +00:00
Lukas F. Hartmann 785e2707b0 etnaviv: Fix disabling early-z rejection on GC7000L (HALTI5) 
The VIVS_PE_DEPTH_CONFIG_DISABLE_ZS in PE_DEPTH_CONFIG caused depth
write hangs on HALTI5.
This is because the 0x11000000 bits in RA have to be toggled on
when setting this bit to zero. This combination will disable
early-z rejection on GC7000L, which was previously done through
a different bit.
Tested only on GC7000L so far.

Signed-off-by: Lukas F. Hartmann <lukas@mntre.com>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5456>
 2020-08-26 08:23:31 +00:00
Karol Herbst e5899c1e88 nir: rename nir_op_fne to nir_op_fneu 
It was always fneu but naming it fne causes confusion from time to time. So
lets rename it. Later we also want to add other unordered and fne, this is
a smaller preparation for that.

Signed-off-by: Karol Herbst <kherbst@redhat.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6377>
 2020-08-21 17:26:21 +00:00
Christian Gmeiner 044b238507 etnaviv: completely turn off MSAA 
MSAA worked before etnaviv landed in upstream mesa but got
broken over time. Disable MSAA completely until it is fixed again.

Fixes problems/crashes with applications that want to make use of MSAA.

Cc: <mesa-stable@lists.freedesktop.org>
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5608>
 2020-08-11 09:19:57 +00:00
Christian Gmeiner e63a7882a0 etnaviv: call nir_lower_bool_to_bitsize 
Starting with commit 6f394343b1 ("nir/algebraic: i2f(f2i()) -> trunc()")
dEQP-GLES2.functional.shaders.operator.binary_operator.div.lowp_int_vertex
ends with an unsuppored flt instruction. Use nir_lower_bool_to_bitsize to
convert this flt to a flt32 which is supported. This fixes the introduced
regression.

Cc: 20.2 <mesa-stable@lists.freedesktop.org>
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6182>
 2020-08-07 03:25:36 +00:00
Rob Clark c4e0cae90c gallium: replace 16BIT_TEMPS cap with 16BIT_CONSTS 
All drivers that support mediump lowering should support 16BIT_TEMPS,
but some do not also want 16b consts to be lowered.  Replace the pipe
cap in preperation to remove LowerPrecisionTemporaries.

Note: also updates reference checksums for the arm64_a630_traces job,
due to lowering more to 16b

Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6189>
 2020-08-05 21:00:44 +00:00
Christian Gmeiner 6fc52739bb etnaviv: fix nir validation problem 
Fixes the following validation problem:
  error: nir_intrinsic_align_offset(instr) < nir_intrinsic_align_mul(instr)

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Tested-by: Lukas F. Hartmann <lukas@mntmn.com>
Acked-by: Lucas Stach <l.stach@pengutronix.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6127>
 2020-08-03 20:05:20 +00:00
Jason Ekstrand 2956d53400 nir: Add nir_foreach_shader_in/out_variable helpers 
Reviewed-by: Jose Maria Casanova Crespo <jmcasanova@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5966>
 2020-07-29 17:38:57 +00:00
Christian Gmeiner 60915f87c7 etnaviv: do register setup only once 
Register set setup should be done once at backend
initializaion, as ra_set_finalize is O(r^2*c^2).

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5996>
 2020-07-24 20:01:04 +00:00
Christian Gmeiner 7ee146aad4 etnaviv: move shader_count to etna_compiler 
Also fix data race on making the shader's id.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5996>
 2020-07-24 20:01:04 +00:00
Christian Gmeiner 5839a7d64a etnaviv: introduce struct etna_compiler 
This struct will be used to for state saved across compiler
invocations.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5996>
 2020-07-24 20:01:04 +00:00
Christian Gmeiner 8534f49bf9 etnaviv: explicitly set nir_variable_mode 
No functional changes - fixes the following assert:
  nir_lower_io_impl: Assertion `!(modes & ~supported_modes)' failed.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5997>
 2020-07-24 13:33:47 +00:00
Timothy Arceri 745aeba623 etnaviv: add missing fallthrough comments 
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5799>
 2020-07-10 00:32:51 +00:00
Marek Olšák 75b59bb1d6 gallium: add PIPE_SHADER_CAP_GLSL_16BIT_TEMPS for LowerPrecisionTemporaries 
Reviewed-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5746>
 2020-07-07 22:02:06 -04:00
Eric Anholt 377026e3ad etnaviv: Use the util_pack_color_union() helper. 
This snuck in since I cleaned up the other instances of it.

Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5728>
 2020-07-07 18:19:22 +00:00
Christian Gmeiner 01a1926fb9 etnaviv: replace prims-emitted query 
As we do not support stream output buffers we only count the primitives
processed by the pipeline. Use the correct query type.

Cc: <mesa-stable@lists.freedesktop.org>
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5754>
 2020-07-06 18:22:19 +00:00
Christian Gmeiner 64cdc1311b etnaviv: move ra into own file 
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Acked-by: Jonathan Marek <jonathan@marek.ca>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5690>
 2020-07-02 17:04:46 +00:00
Christian Gmeiner 027e9e8da3 etnaviv: move nir compiler related stuff into .c file 
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Acked-by: Jonathan Marek <jonathan@marek.ca>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5690>
 2020-07-02 17:04:46 +00:00
Christian Gmeiner f1df033fcc etnaviv: move functions that generate asm to own file 
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Acked-by: Jonathan Marek <jonathan@marek.ca>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5690>
 2020-07-02 17:04:46 +00:00
Christian Gmeiner 79427a0190 etnaviv: drop emit macro 
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Acked-by: Jonathan Marek <jonathan@marek.ca>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5690>
 2020-07-02 17:04:46 +00:00
Christian Gmeiner 624b8b4a92 etnaviv: merge struct etna_compile and etna_state 
I see no good architectural reason for this split.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Acked-by: Jonathan Marek <jonathan@marek.ca>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5690>
 2020-07-02 17:04:46 +00:00
Christian Gmeiner 0f025e8b81 etnaviv: move liveness related stuff into own file 
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Acked-by: Jonathan Marek <jonathan@marek.ca>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5690>
 2020-07-02 17:04:46 +00:00
Christian Gmeiner 9ae96d32dd etnaviv: make more use of compile_error(..) 
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Acked-by: Jonathan Marek <jonathan@marek.ca>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5690>
 2020-07-02 17:04:46 +00:00
Christian Gmeiner 96670c8150 etnaviv: drop OPT_V define 
Directly use NIR_PASS_V(..).

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Acked-by: Jonathan Marek <jonathan@marek.ca>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5690>
 2020-07-02 17:04:46 +00:00
Christian Gmeiner 1636e14cfd etnaviv: move etna_lower_alu(..) to etnaviv_nir.c 
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Acked-by: Jonathan Marek <jonathan@marek.ca>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5690>
 2020-07-02 17:04:46 +00:00
Christian Gmeiner 7460d4863d etnaviv: get rid of etna_compile dependency 
Needed prep change to be able to move alu lowering.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Acked-by: Jonathan Marek <jonathan@marek.ca>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5690>
 2020-07-02 17:04:46 +00:00
Christian Gmeiner 12b15cbcbf etnaviv: move etna_lower_io(..) to etnaviv_nir.c 
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Acked-by: Jonathan Marek <jonathan@marek.ca>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5690>
 2020-07-02 17:04:46 +00:00
Christian Gmeiner ea17cbf16f etnaviv: convert enums 
Atm. it is not possible to move the enums to a header file
as they do not use an identifier but directly define an
object.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Acked-by: Jonathan Marek <jonathan@marek.ca>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5690>
 2020-07-02 17:04:46 +00:00
Christian Gmeiner 34f776386c etnaviv: delete not used struct 
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Acked-by: Jonathan Marek <jonathan@marek.ca>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5690>
 2020-07-02 17:04:46 +00:00
Neil Roberts bb5fc90135 gallium: Add pipe cap for primitive restart with fixed index 
Adds PIPE_CAP_PRIMITIVE_RESTART_FIXED_INDEX which is a subset of the
primitive restart cap for when the hardware can only support the fixed
indices specified in GLES.

The switch statements were automatically modified with this command:

find \( \( -name \*.cpp -o -name \*.c \) \! -type l \) \
 -exec sed -i -r \
 's/^(\s*case\s+PIPE_CAP_PRIMITIVE_RESTART)\s*:.*$/\0\n\1_FIXED_INDEX:/' \
 {} \;

v2: Add a note in screen.rst

Reviewed-by: Eric Anholt <eric@anholt.net> (v1)
Reviewed by: Erik Faye-Lund <erik.faye-lund@collabora.com>

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5559>
 2020-06-22 12:41:56 +00:00
Eric Engestrom bd5cf70d3d etnaviv: replace all dup() with os_dupfd_cloexec() 
Signed-off-by: Eric Engestrom <eric@engestrom.ch>
Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5369>
 2020-06-18 02:09:56 +00:00
Christian Gmeiner 7ec2582087 etnaviv: drop translate_blend(..) 
PIPE_BLEND_* matches 1:1 the hardware defines.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4187>
 2020-06-08 15:35:13 +00:00
Timothy Arceri 04dbf709ed nir: add callback to nir_remove_dead_variables() 
This allows us to do API specific checks before removing variable
without filling nir_remove_dead_variables() with API specific code.

In the following patches we will use this to support the removal
of dead uniforms in GLSL.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4797>
 2020-06-03 02:22:23 +00:00
Marek Olšák 1af8fe4ed5 gallium: add shader caps INT16 and FP16_DERIVATIVES 
Reviewed-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5002>
 2020-06-02 20:01:18 +00:00