Graphics Flight Recorder is:
"The Graphics Flight Recorder (GFR) is a Vulkan layer to help
trackdown and identify the cause of GPU hangs and crashes.
It works by instrumenting command buffers with completion tags."
This is a nice little tool which could help quickly identify the call
which hanged. Or if command buffer is executed for too long.
The tiling nature of our GPU shouldn't be a big issue aside from
lower performance.
For non-segfault case, if:
- Hang happens at the same place in cmdbuf and draw/dispatch is not
finished at that point - it is likely that there is an infinite
loop in some of the shaders in this draw.
- Hang happens always in different place - likely there is nothing
wrong and command buffer just takes too long to execute and you
should try increasing hangcheck_period_ms. If it doesn't help
it is likely a synchronization issue.
Signed-off-by: Danylo Piliaiev <dpiliaiev@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13553>
This is entirely implemented in the SPIR-V frontend.
Relevant CTS tests:
dEQP-VK.spirv_assembly.instruction.compute.non_semantic_info.*
Signed-off-by: Danylo Piliaiev <dpiliaiev@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14829>
Moved nir_lower_compute_system_values to lower
load_local_invocation_index which could be emitted by
nir_zero_initialize_shared_memory.
Relevant CTS tests:
dEQP-VK.compute.zero_initialize_workgroup_memory.*
Signed-off-by: Danylo Piliaiev <dpiliaiev@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14829>
VK_EXT_image_robustness is a strict subset of VK_EXT_robustness2
so we could just expose it.
Relevant CTS tests: dEQP-VK.robustness.image_robustness.*
Signed-off-by: Danylo Piliaiev <dpiliaiev@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14829>
Because these formats are introduced trough an extension, their
enum values are exceedingly large and we cannot use them to index
directly into the format table we had for core formats. Instead,
we put these in a separate table and we always use the
VK_ENUM_OFFSET helper to index into these tables.
Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14533>
V3D does not support formatless writings.
Signed-off-by: Juan A. Suarez Romero <jasuarez@igalia.com>
Reviewed-by: Emma Anholt <emma@anholt.net>
Reviewed-by: Jose Maria Casanova Crespo <jmcasanova@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14288>
Occlusion queries are supported always but only the number of
supported samples differ.
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Vasily Khoruzhick <anarsoul@gmail.com>
Reviewed-by: Emma Anholt <emma@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14361>
Occlusion queries are supported always but only the number of
supported samples differ.
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Reviewed-by: Juan A. Suarez <jasuarez@igalia.com>
Reviewed-by: Emma Anholt <emma@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14361>
- gen4 - has dp4acc and dp2acc, dp4acc is used to implement
4x8 dot product.
- gen3 - has dp2acc, in OpenCL blob uses dp2acc for dot product
on both get3 and gen4.
- gen2 - unknown, lower everything.
- gen1 - no dp2acc, lower everything. OpenCL blob doesn't advertise
cl_qcom_dot_product8 but still generates code for it.
The assembly is more verbose and uses yet to be documented
mad32.u16 instruction.
Passes:
dEQP-VK.spirv_assembly.instruction.compute.opsdotkhr.*
dEQP-VK.spirv_assembly.instruction.compute.opudotkhr.*
dEQP-VK.spirv_assembly.instruction.compute.opsudotkhr.*
dEQP-VK.spirv_assembly.instruction.compute.opsdotaccsatkhr.*
dEQP-VK.spirv_assembly.instruction.compute.opudotaccsatkhr.*
dEQP-VK.spirv_assembly.instruction.compute.opsudotaccsatkhr.*
Only packed 4x8 unsigned and mixed versions are accelerated.
However in theory we should be able to do better for signed version
than current NIR lowering.
Signed-off-by: Danylo Piliaiev <dpiliaiev@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13986>
Through their specific PIPE_CAP.
v2 (Iago)
- Add comment in test failure
Signed-off-by: Alejandro Piñeiro <apinheiro@igalia.com>
Signed-off-by: Juan A. Suarez Romero <jasuarez@igalia.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13409>
It was a bit trickier to RE, since blob doesn't expose this
functionality at all, however we had a clue from the very beginning:
lima_blend_factor is 3 bits, i.e. 8 values, but only 5 of them were
used, it just waited till someone tried what 3 unused values do.
Interestingly enough, it turns out "5" works just as "0" (which is
PIPE_BLENDFACTOR_*SRC_*), but only if output register for gl_FragColor
is $0, So it looks suspiciously similar with PIPE_BLENDFACTOR_*SRC1_*
behavior, and looks like secondary output is taken from $0.
Since output regs for all other outputs are configured via RSW, there
must be a field in RSW for output register for secondary color, it's
likely 4 bits and it's currently set to 0 for reg $0.
Then it was just a matter of brute-forcing various consecutive 4 bits
in RSW - and indeed, setting top 4 bits of rsw->aux0 to the index of
gl_FragColor output register fixes blending tests when we use "5"
blend factor instead of "0".
So it must be a register number for gl_SecondaryFragColor. Unlike
gl_FragColor, the field is only repeated once in RSW.
Wire it up in compiler, and piglit arb_blend_func_extended now passes.
Reviewed-by: Andreas Baierl <ichgeh@imkreisrum.de>
Reviewed-by: Erico Nunes <nunes.erico@gmail.com>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13873>
We don't advertise bufferDeviceAddressCaptureReplay capability and
neither does blob, because at the moment there is no way to allocate
bo with predefined iova.
There is no support of any arithmetic with addresses since shaderInt64
is not enabled. However, we could enable int64 support whenever we want.
Signed-off-by: Danylo Piliaiev <dpiliaiev@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8717>
By default line mode is VK_LINE_RASTERIZATION_MODE_RECTANGULAR_EXT,
when lineRasterizationMode is VK_LINE_RASTERIZATION_MODE_BRESENHAM_EXT
and primtype is line - we enable bresenham line mode.
We have to disable MSAA when bresenham lines are used, this is
a hardware limitation and spec allows it:
"When Bresenham lines are being rasterized, sample locations may
all be treated as being at the pixel center (this may affect
attribute and depth interpolation)."
This forces us to re-emit msaa state when line mode is changed.
Signed-off-by: Hyunjun Ko <zzoon@igalia.com>
Signed-off-by: Danylo Piliaiev <dpiliaiev@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6020>