Section 5.11 (Out-of-Bounds Accesses) of the GLSL 4.60 spec says:
"In the subsections described above for array, vector, matrix and
structure accesses, any out-of-bounds access produced undefined
behavior.... Out-of-bounds writes may be discarded or overwrite
other variables of the active program."
Fixes crashes when dereferencing gl_ClipDistance and gl_TessLevel*, e.g:
int index = -1;
gl_ClipDistance[index] = -1;
When LowerCombinedClipCullDistance is true.
CC: <mesa-stable@lists.freedesktop.org>
Signed-off-by: Danylo Piliaiev <danylo.piliaiev@globallogic.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Marcin Ślusarz <marcin.slusarz@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6363>
Several optimization paths, including constant folding, can lead to
indexing vector with an out of bounds index.
Out-of-bounds writes could be eliminated per spec:
Section 5.11 (Out-of-Bounds Accesses) of the GLSL 4.60 spec says:
"In the subsections described above for array, vector, matrix and
structure accesses, any out-of-bounds access produced undefined
behavior.... Out-of-bounds writes may be discarded or overwrite
other variables of the active program."
Fixes piglit tests:
spec@glsl-1.20@execution@vector-out-of-bounds-access@fs-vec4-out-of-bounds-1
spec@glsl-1.20@execution@vector-out-of-bounds-access@fs-vec4-out-of-bounds-6
CC: <mesa-stable@lists.freedesktop.org>
Signed-off-by: Danylo Piliaiev <danylo.piliaiev@globallogic.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Marcin Ślusarz <marcin.slusarz@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6363>
This makes sure that we keep executing the tests so that we can get our
alerts in IRC and know whether the tests are still flaking. It also keeps
us from having adjustments to the skip list causing failures/flakes to
move to different tests (as seen with a530 having to move some xfails
around after changing the skip list)
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6392>
So far, we've been putting our known flakes that intermittently fail CI
into the skips list. This has two downsides:
1) You don't know when the flakes stop happening and when to delist them
from skips, unless you go do a bunch of manual runs with the skips list
cleared.
2) If the flake was because the previous test left some broken state in
the HW, you may just move your intermittent to a new test.
With this new path, you can list your flakes in the flakes file to keep
them from erroring out people's pipelines. They still get run and
reported as is.
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6392>
The OpenCL image_width/height/depth functions have variants which can
take an LOD parameter. More importantly, LLVM-SPIRV-Translator always
generates OpImageQuerySizeLod even if the LOD is guaranteed to be zero.
Given that over half the hardware out there has an LOD field for image
size queries (based on a rudimentary scan through their NIR -> whatever
code), we may as well just add the source to the NIR intrinsic. If this
is ever a problem for anyone, the lowering is pretty trivial.
I've also added asserts to everyone's drivers that should alert them if
they ever see an LOD other than zero. This will never happen with GL or
Vulkan so there's no need for panic.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6396>
v2:
a) Move `supported_spirv_verssions()` to `spirv::` (Francisco Jerez)
b) Introduce a `SPV_MAKE_VERSION` macro to avoid making mistakes and
making it more readable than its uint representation.
v3: Replaced an if-statement with a `std::min()` in
`spirv::get_spirv_translator_options()` (Karol Herbst)
v4: Turn `SPV_MAKE_VERSION()` into a function (Francisco Jerez)
Signed-off-by: Pierre Moreau <dev@pmoreau.org>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5038>
SPIRV-LLVM-Translator had API-breaking changes during version 0.2.1.
Since the new API was being used, a higher version has to be requested.
While at it and since SPIRV-LLVM-Translator added a new API to request a
specific SPIR-V version as well as allowed SPIR-V extensions, increase
the version number to the first including those new features.
v2: Require an LLVM version which is compatible with the
SPIRV-LLVM-Translator that was found; that requirement was
previously implicit and would be ensured when that library was
built. Making it explicit will help in cases where multiple versions
of LLVM might be installed.
v3: fix use of undefined _minimum_llvmspirvlib_version_array
v4 (Karol): fix creating the minimum requested version
Simplifing the code
Signed-off-by: Pierre Moreau <dev@pmoreau.org>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Reviewed-by: Serge Martin <edb@sigluy.net>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5038>
As the original comment says, we can't really give the user what they
want if there's a timestamp inside a GMEM renderpass, but we can give
them a better approximation of it. At least sysmem renderpasses will now
have an accurate timestamp.
Also, don't emit the WFI if it's not necessary, based on the stage
flags.
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5720>
Loads, stores, clears, and resolves now happen per-view. Since we only
support multiview with sysmem rendering, we only implement this for
sysmem clears and resolves.
There aren't any tests that mix multiview and MSAA, so no coverage of
the resolve path.
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5720>
This cuts a bunch of vector setup for undef components in the i965 vec4
backend. Noticed while looking into codegen regressions in nir-to-tgsi.
brw results:
total instructions in shared programs: 3893221 -> 3881461 (-0.30%)
total cycles in shared programs: 113792154 -> 113810288 (0.02%)
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6054>
