| Commit message (Collapse) | Author | Age | Files | Lines |
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This resolves an apparent game bug described in 85564. The game
doesn't properly handle ARB_get_program_binary with 0 supported
formats.
V2 (Timothy Arceri):
- less driver code as more has been moved into the common helpers.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=85564
Signed-off-by: Timothy Arceri <[email protected]>
Signed-off-by: Jordan Justen <[email protected]> (v1)
Reviewed-by: Tapani Pälli <[email protected]>
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The GL_ARB_get_program_binary extension spec says:
"If ProgramBinary fails to load a binary, no error is generated, but
any information about a previous link or load of that program object
is lost."
v2:
* Re-initialize shProg->data after clear. (Jordan)
(Required after 6a72eba755fea15a0d97abb913a6315d9d32e274)
Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Nicolai Hähnle <[email protected]>
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V2: call generic mesa_program_binary() helper rather than driver
function directly to allow greater code sharing.
Signed-off-by: Timothy Arceri <[email protected]>
Signed-off-by: Jordan Justen <[email protected]> (v1)
Reviewed-by: Nicolai Hähnle <[email protected]> (v1)
Reviewed-by: Tapani Pälli <[email protected]>
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V2: call generic _mesa_get_program_binary() helper rather than driver
function directly to allow greater code sharing.
Signed-off-by: Timothy Arceri <[email protected]>
Signed-off-by: Jordan Justen <[email protected]> (v1)
Reviewed-by: Nicolai Hähnle <[email protected]> (v1)
Reviewed-by: Tapani Pälli <[email protected]>
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V2: call generic _mesa_get_program_binary_length() helper
rather than driver function directly to allow greater
code sharing.
Signed-off-by: Timothy Arceri <[email protected]>
Signed-off-by: Jordan Justen <[email protected]> (v1)
Reviewed-by: Nicolai Hähnle <[email protected]>i (v1)
Reviewed-by: Tapani Pälli <[email protected]>
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V2 (Timothy Arceri):
- add extra code comment
- stop passing around void *binary and just pass
program_binary_header *hdr instead.
- move to src/mesa/main rather than src/util
V3 (Timothy Arceri):
- Move more code out of the backend and into the common
helpers.
Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Tapani Pälli <[email protected]>
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Reviewed-by: Jordan Justen <[email protected]>
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Mesa supports either 0 or 1 formats. If 1 format is supported, it is
GL_PROGRAM_BINARY_FORMAT_MESA as defined in the
GL_MESA_program_binary_formats extension spec.
Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Nicolai Hähnle <[email protected]>
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Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Nicolai Hähnle <[email protected]>
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Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Timothy Arceri <[email protected]>
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Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Timothy Arceri <[email protected]>
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Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Timothy Arceri <[email protected]>
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Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Timothy Arceri <[email protected]>
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The ARB_get_program_binary extension requires that uniform values in a
program be restored to their initial value just after linking.
This patch saves off the initial values just after linking. When the
program is restored by glProgramBinary, we can use this to copy the
initial value of uniforms into UniformDataSlots.
V2 (Timothy Arceri):
- Store UniformDataDefaults only when serializing GLSL as this
is what we want for both disk cache and ARB_get_program_binary.
This saves us having to come back later and reset the Uniforms
on program binary restores.
Signed-off-by: Timothy Arceri <[email protected]>
Signed-off-by: Jordan Justen <[email protected]> (v1)
Reviewed-by: Tapani Pälli <[email protected]>
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This will allow us to use the program serialization to implement
ARB_get_program_binary.
Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Timothy Arceri <[email protected]>
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Thus was merged into the OpenGL Registry in version
667c5a253781834b40a6ae9eb19d05af4542cfe1.
Ref: https://github.com/KhronosGroup/OpenGL-Registry/pull/127
Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Nicolai Hähnle <[email protected]>
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Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Nicolai Hähnle <[email protected]>
Reviewed-by: Timothy Arceri <[email protected]>
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execution.
This addresses a long-standing back-end compiler bug that could lead
to cross-channel data corruption in loops executed non-uniformly. In
some cases live variables extending through a loop divergence point
(e.g. a non-uniform break) into a convergence point (e.g. the end of
the loop) wouldn't be considered live along all physical control flow
paths the SIMD thread could possibly have taken in between due to some
channels remaining in the loop for additional iterations.
This patch fixes the problem by extending the CFG with physical edges
that don't exist in the idealized non-vectorized program, but
represent valid control flow paths the SIMD EU may take due to the
divergence of logical threads. This makes sense because the i965 IR
is explicitly SIMD, and it's not uncommon for instructions to have an
influence on neighboring channels (e.g. a force_writemask_all header
setup), so the behavior of the SIMD thread as a whole needs to be
considered.
No changes in shader-db.
Reviewed-by: Jason Ekstrand <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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This makes the dataflow propagation logic of the copy propagation pass
more intelligent in cases where the destination of a copy is known to
be undefined for some incoming CFG edges, building upon the
definedness information provided by the last patch. Helps a few
programs, and avoids a handful shader-db regressions from the next
patch.
shader-db results on ILK:
total instructions in shared programs: 6541547 -> 6541523 (-0.00%)
instructions in affected programs: 360 -> 336 (-6.67%)
helped: 8
HURT: 0
LOST: 0
GAINED: 10
shader-db results on BDW:
total instructions in shared programs: 8174323 -> 8173882 (-0.01%)
instructions in affected programs: 7730 -> 7289 (-5.71%)
helped: 5
HURT: 2
LOST: 0
GAINED: 4
shader-db results on SKL:
total instructions in shared programs: 8185669 -> 8184598 (-0.01%)
instructions in affected programs: 10364 -> 9293 (-10.33%)
helped: 5
HURT: 2
LOST: 0
GAINED: 2
Reviewed-by: Jason Ekstrand <[email protected]>
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definition.
Currently the liveness analysis pass would extend a live interval up
to the top of the program when no unconditional and complete
definition of the variable is found that dominates all of its uses.
This can lead to a serious performance problem in shaders containing
many partial writes, like scalar arithmetic, FP64 and soon FP16
operations. The number of oversize live intervals in such workloads
can cause the compilation time of the shader to explode because of the
worse than quadratic behavior of the register allocator and scheduler
when running out of registers, and it can also cause the running time
of the shader to explode due to the amount of spilling it leads to,
which is orders of magnitude slower than GRF memory.
This patch fixes it by computing the intersection of our current live
intervals with the subset of the program that can possibly be reached
from any definition of the variable. Extending the storage allocation
of the variable beyond that is pretty useless because its value is
guaranteed to be undefined at a point that cannot be reached from any
definition.
According to Jason, this improves performance of the subgroup Vulkan
CTS tests significantly (e.g. the runtime of the dvec4 broadcast test
improves by nearly 50x).
No significant change in the running time of shader-db (with 5%
statistical significance).
shader-db results on IVB:
total cycles in shared programs: 61108780 -> 60932856 (-0.29%)
cycles in affected programs: 16335482 -> 16159558 (-1.08%)
helped: 5121
HURT: 4347
total spills in shared programs: 1309 -> 1288 (-1.60%)
spills in affected programs: 249 -> 228 (-8.43%)
helped: 3
HURT: 0
total fills in shared programs: 1652 -> 1597 (-3.33%)
fills in affected programs: 262 -> 207 (-20.99%)
helped: 4
HURT: 0
LOST: 2
GAINED: 209
shader-db results on BDW:
total cycles in shared programs: 67617262 -> 67361220 (-0.38%)
cycles in affected programs: 23397142 -> 23141100 (-1.09%)
helped: 8045
HURT: 6488
total spills in shared programs: 1456 -> 1252 (-14.01%)
spills in affected programs: 465 -> 261 (-43.87%)
helped: 3
HURT: 0
total fills in shared programs: 1720 -> 1465 (-14.83%)
fills in affected programs: 471 -> 216 (-54.14%)
helped: 4
HURT: 0
LOST: 2
GAINED: 162
shader-db results on SKL:
total cycles in shared programs: 65436248 -> 65245186 (-0.29%)
cycles in affected programs: 22560936 -> 22369874 (-0.85%)
helped: 8457
HURT: 6247
total spills in shared programs: 437 -> 437 (0.00%)
spills in affected programs: 0 -> 0
helped: 0
HURT: 0
total fills in shared programs: 870 -> 854 (-1.84%)
fills in affected programs: 16 -> 0
helped: 1
HURT: 0
LOST: 0
GAINED: 107
Reviewed-by: Jason Ekstrand <[email protected]>
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This should allow the post-RA scheduler to do a slightly better job at
hiding latency in presence of instructions incurring bank conflicts.
The main purpuse of this patch is not to improve performance though,
but to get conflict cycles to show up in shader-db statistics in order
to make sure that regressions in the bank conflict mitigation pass
don't go unnoticed.
Acked-by: Matt Turner <[email protected]>
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Unnecessary GRF bank conflicts increase the issue time of ternary
instructions (the overwhelmingly most common of which is MAD) by
roughly 50%, leading to reduced ALU throughput. This pass attempts to
minimize the number of bank conflicts by rearranging the layout of the
GRF space post-register allocation. It's in general not possible to
eliminate all of them without introducing extra copies, which are
typically more expensive than the bank conflict itself.
In a shader-db run on SKL this helps roughly 46k shaders:
total conflicts in shared programs: 1008981 -> 600461 (-40.49%)
conflicts in affected programs: 816222 -> 407702 (-50.05%)
helped: 46234
HURT: 72
The running time of shader-db itself on SKL seems to be increased by
roughly 2.52%±1.13% with n=20 due to the additional work done by the
compiler back-end.
On earlier generations the pass is somewhat less effective in relative
terms because the hardware incurs a bank conflict anytime the last two
sources of the instruction are duplicate (e.g. while trying to square
a value using MAD), which is impossible to avoid without introducing
copies. E.g. for a shader-db run on SNB:
total conflicts in shared programs: 944636 -> 623185 (-34.03%)
conflicts in affected programs: 853258 -> 531807 (-37.67%)
helped: 31052
HURT: 19
And on BDW:
total conflicts in shared programs: 1418393 -> 987539 (-30.38%)
conflicts in affected programs: 1179787 -> 748933 (-36.52%)
helped: 47592
HURT: 70
On SKL GT4e this improves performance of GpuTest Volplosion by 3.64%
±0.33% with n=16.
NOTE: This patch intentionally disregards some i965 coding conventions
for the sake of reviewability. This is addressed by the next
squash patch which introduces an amount of (for the most part
boring) boilerplate that might distract reviewers from the
non-trivial algorithmic details of the pass.
The following patch is squashed in:
SQUASH: intel/fs/bank_conflicts: Roll back to the nineties.
Acked-by: Matt Turner <[email protected]>
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To demonstrate this bug run meson with the options:
-Ddri-drivers= -Dglx=gallium-xlib
Signed-off-by: Dylan Baker <[email protected]>
Reviewed-by: Eric Engestrom <[email protected]>
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Fixes: 5e71efef44b992b5d70b ("meson: Add lmsensors support")
Signed-off-by: Dylan Baker <[email protected]>
Reviewed-by: Eric Engestrom <[email protected]>
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Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=104141
Signed-off-by: Eric Engestrom <[email protected]>
Reviewed-by: Dylan Baker <[email protected]>
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src/gallium/winsys/pl111/drm/libpl111winsys.a(pl111_drm_winsys.c.o): In function `pl111_drm_screen_create':
pl111_drm_winsys.c:(.text+0x33): undefined reference to `vc4_drm_screen_create_renderonly'
Signed-off-by: Eric Engestrom <[email protected]>
Reviewed-by: Dylan Baker <[email protected]>
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This patch is ported from RadeonSI and it has two effects.
It fixes a rendering issue which affects F1 2017 and Dawn
of War 3 (Vega only) because LLVM was ending up by generating
the new v_mad_mix_{hi,lo} instructions which appear to be
buggy in some way. Not sure if Mesa is generating something
wrong or if the issue is in LLVM only. Anyway, that explains why
the DOW3 issue can't be reproduced with GL on Vega.
It also improves performance because v_cvt_pkrtz_f16 is faster,
and because I guess the rounding mode behaviour is similar between
GL and VK, we can use it. About performance, it improves Talos
by +3/4% but I don't see any other impacts.
No CTS regressions on Polaris.
Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Dave Airlie <[email protected]>
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To avoid any vulkan driver to include the GL mtypes.h. Renamed as
eventually this could be used by drivers not using nir.
v2: remove compiler/spirv/spirv.h from mtypes (Alejandro)
v3: added the definition at compiler/shader_info.h (Jason Ekstrand)
Reviewed-by: Jason Ekstrand <[email protected]>
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At this point dc_job->cache_item_metadata.keys always equals
NULL, so call to free() is useless
Fixes: b86ecea3446 ("util/disk_cache: write cache item metadata to disk")
Signed-off-by: Vadym Shovkoplias <[email protected]>
Reviewed-by: Eric Engestrom <[email protected]>
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In that case, nir_eval_const_opcode() will evaluate the conversion
but as it was using destination's bit_size, the resulting
value was just a cast of the source constant value. By passing the
source's bit size, it does the conversion properly.
Fixes:
dEQP-VK.spirv_assembly.instruction.*.opspecconstantop.*convert*
v2:
- Remove invalid conversion op cases.
Signed-off-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
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Signed-off-by: Samuel Iglesias Gonsálvez <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
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Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=104119
CC: <[email protected]>
CC: Samuel Pitoiset <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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Allows apps to determine the LLVM version so that they can decide
whether or not to enable workarounds for LLVM issues.
Signed-off-by: Alex Smith <[email protected]>
Cc: "17.2 17.3" <[email protected]>
Reviewed-by: Samuel Pitoiset <[email protected]>
Tested-by: Dieter Nützel <[email protected]>
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This type was used at gl_sync_object, but it is not used anymore.
Reviewed-by: Timothy Arceri <[email protected]>
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We only handled unpacking for GL_DEPTH_STENCIL formats.
Cemu was hitting _mesa_problem() for an unsupported format in
_mesa_unpack_float_32_uint_24_8_depth_stencil_row(), because the
format was depth-only, rather than depth-stencil.
Cc: "13.0 12.0" <[email protected]>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=94739
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=103966
Reviewed-by: Tapani Pälli <[email protected]>
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This helps avoid compiler warningss in the next commit - everything
was initialized, but it wasn't obvious to static analysis.
Suggested-by: Tapani Pälli <[email protected]>
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This fixes a crash in:
KHR-GL45.enhanced_layouts.xfb_block_stride
Fixes: 0822517936d4 "glsl: add helper to process xfb qualifiers during linking"
Reviewed-by: Kenneth Graunke <[email protected]>
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If an array is accessed within an if block, then currently it is not known
whether the value in the address register is involved in the evaluation of the
if condition, and converting the if condition may actually result in
out-of-bounds array access. Consequently, if blocks that contain indirect array
access should not be converted.
Fixes piglits on r600/BARTS:
spec/glsl-1.10/execution/variable-indexing/
vs-output-array-float-index-wr
vs-output-array-vec3-index-wr
vs-output-array-vec4-index-wr
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=104143
Signed-off-by: Gert Wollny <[email protected]>
Cc: <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
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We just pass these in from outside in a constant buffer.
The shader side stores them once they are accessed once.
v2: fix to not use a temp_reg.
Signed-off-by: Dave Airlie <[email protected]>
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This adds support to compute for the resq workarounds (buffer/cube sizes)
Signed-off-by: Dave Airlie <[email protected]>
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Signed-off-by: Dave Airlie <[email protected]>
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Signed-off-by: Dave Airlie <[email protected]>
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This add paths to handle TGSI compute shaders and shader selection.
It also avoids emitting certain things on tgsi paths,
CBs, vertex buffers, config reg init (not required).
v1.1: fix rat mask calc
Signed-off-by: Dave Airlie <[email protected]>
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Signed-off-by: Dave Airlie <[email protected]>
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This appears to cause hangs with compute images. Unless
we can find more specifics, just don't do this for now.
Signed-off-by: Dave Airlie <[email protected]>
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Until now it was part of spirv_to_nir_options. But it will be used on
the implementation of ARB_gl_spirv and ARB_spirv_extensions, and added
to the OpenGL context, as a way to save what SPIR-V capabilities the
current OpenGL implementation supports.
Reviewed-by: Ian Romanick <[email protected]>
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The handle type in the case statement is supposed to be VK_EXTERNAL_-
MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT.
Fixes: ab18e8e59b6 ("anv: Implement VK_EXT_external_memory_dma_buf")
Signed-off-by: Fredrik Höglund <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
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The handle type in the case statement is supposed to be VK_EXTERNAL_-
MEMORY_HANDLE_TYPE_DMA_BUF_BIT_EXT.
Fixes: 546e747867c ("radv: Implement VK_EXT_external_memory_dma_buf")
Signed-off-by: Fredrik Höglund <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
Reviewed-by: Samuel Pitoiset <[email protected]>
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`declare_dependency()` takes `compile_args`, not `c_args`.
It was correct in all the other `declare_dependency()` from that commit.
Fixes: 0bbecc5a8548883f76a71 "meson: define driver dependencies"
Signed-off-by: Eric Engestrom <[email protected]>
Reviewed-by: Dylan Baker <[email protected]>
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Fixes: bfe0f3a7027 ("i965: Move PIPE_CONTROL defines and prototypes to
brw_pipe_control.h.")
Signed-off-by: Emil Velikov <[email protected]>
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