[Bug 109717] [regression] Cull distance tests asserting
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Thu Feb 21 12:17:33 UTC 2019
https://bugs.freedesktop.org/show_bug.cgi?id=109717
Bug ID: 109717
Summary: [regression] Cull distance tests asserting
Product: Mesa
Version: git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/DRI/i965
Assignee: intel-3d-bugs at lists.freedesktop.org
Reporter: lionel.g.landwerlin at linux.intel.com
QA Contact: intel-3d-bugs at lists.freedesktop.org
Here is a list of the tests failing :
piglit.spec.arb_cull_distance.fs-cull-distance-interpolated.snbm64
piglit.spec.arb_cull_distance.basic-cull-4.snbm64
piglit.spec.arb_cull_distance.vs-cull-distance-vertex-outside-cull-volume.snbm64
piglit.spec.arb_cull_distance.basic-cull-2.snbm64
piglit.spec.arb_cull_distance.vs-cull-distance-vertex-inside-cull-volume.snbm64
piglit.spec.arb_cull_distance.vs-cull-distance-vertex-on-plane.kblm64
piglit.spec.arb_cull_distance.basic-cull-3.kblm64
piglit.spec.arb_cull_distance.basic-cull-1.kblm64
piglit.spec.arb_cull_distance.basic-cull-2.hswm64
piglit.spec.arb_cull_distance.vs-cull-distance-vertex-outside-cull-volume.hswm64
piglit.spec.arb_cull_distance.vs-cull-distance-vertex-inside-cull-volume.hswm64
piglit.spec.arb_cull_distance.basic-cull-4.hswm64
piglit.spec.arb_cull_distance.fs-cull-distance-interpolated.hswm64
piglit.spec.arb_cull_distance.vs-cull-distance-vertex-on-plane.snbm64
piglit.spec.arb_cull_distance.basic-cull-3.snbm64
piglit.spec.arb_cull_distance.basic-cull-1.snbm64
piglit.spec.arb_cull_distance.vs-cull-distance-vertex-on-plane.hswm64
piglit.spec.arb_cull_distance.basic-cull-3.hswm64
piglit.spec.arb_cull_distance.basic-cull-1.hswm64
piglit.spec.arb_cull_distance.vs-cull-distance-vertex-inside-cull-volume.ivbm64
piglit.spec.arb_cull_distance.vs-cull-distance-vertex-outside-cull-volume.ivbm64
piglit.spec.arb_cull_distance.fs-cull-distance-interpolated.ivbm64
piglit.spec.arb_cull_distance.basic-cull-4.ivbm64
piglit.spec.arb_cull_distance.basic-cull-2.ivbm64
piglit.spec.arb_cull_distance.vs-cull-distance-vertex-on-plane.bdwm64
piglit.spec.arb_cull_distance.basic-cull-3.bdwm64
piglit.spec.arb_cull_distance.basic-cull-1.bdwm64
piglit.spec.arb_cull_distance.vs-cull-distance-vertex-outside-cull-volume.sklm64
piglit.spec.arb_cull_distance.fs-cull-distance-interpolated.sklm64
piglit.spec.arb_cull_distance.vs-cull-distance-vertex-inside-cull-volume.sklm64
piglit.spec.arb_cull_distance.basic-cull-4.sklm64
piglit.spec.arb_cull_distance.basic-cull-2.sklm64
piglit.spec.arb_cull_distance.basic-cull-4.kblm64
piglit.spec.arb_cull_distance.vs-cull-distance-vertex-outside-cull-volume.kblm64
piglit.spec.arb_cull_distance.basic-cull-2.kblm64
piglit.spec.arb_cull_distance.vs-cull-distance-vertex-inside-cull-volume.kblm64
piglit.spec.arb_cull_distance.fs-cull-distance-interpolated.kblm64
piglit.spec.arb_cull_distance.basic-cull-4.bdwm64
piglit.spec.arb_cull_distance.fs-cull-distance-interpolated.bdwm64
piglit.spec.arb_cull_distance.vs-cull-distance-vertex-outside-cull-volume.bdwm64
piglit.spec.arb_cull_distance.basic-cull-2.bdwm64
piglit.spec.arb_cull_distance.vs-cull-distance-vertex-inside-cull-volume.bdwm64
piglit.spec.arb_cull_distance.vs-cull-distance-vertex-on-plane.ivbm64
piglit.spec.arb_cull_distance.basic-cull-1.ivbm64
piglit.spec.arb_cull_distance.basic-cull-3.ivbm64
piglit.spec.arb_cull_distance.vs-cull-distance-vertex-on-plane.sklm64
piglit.spec.arb_cull_distance.basic-cull-1.sklm64
piglit.spec.arb_cull_distance.basic-cull-3.sklm64
KHR-GL46.cull_distance.functional.cflm64
KHR-GL46.cull_distance.functional.sklm64
KHR-GL46.cull_distance.functional.kblm64
KHR-GL46.cull_distance.functional.bdwm64
KHR-GL46.cull_distance.functional.hswm64
GTF-GL46.gtf32.GL3Tests.packed_pixels.packed_pixels_pixelstore.bdwm64
KHR-GL33.cull_distance.functional.ivbm64
KHR-GL33.cull_distance.functional.snbm64
Bisected to :
commit 4e69fba534e7377f3bc6c40c73e6bc5c23437d4e
Author: Jason Ekstrand <jason.ekstrand at intel.com>
Date: Wed Feb 13 16:15:42 2019 -0600
nir: Rewrite lower_clip_cull_distance_arrays to do a lot less lowering
Instead of going to all the work of to combine them into one array, just
make two arrays and use location_frac to colocate them within CLIP0.
Then the back-end can sort things out and stack them on top of each
other. Thanks to ef99f4c8, we also don't need to set compact anymore.
Reviewed-by: Alejandro Piñeiro <apinheiro at igalia.com>
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
The one tests I used to bisect :
./bin/shader_runner ./tests/spec/arb_cull_distance/basic-cull-1.shader_test
Thread 1 "shader_runner" received signal SIGSEGV, Segmentation fault.
0x00007ffff555f4bd in combine_clip_cull (nir=0x55555589b960,
vars=0x55555589b9a0, store_info=true)
at ../src/compiler/nir/nir_lower_clip_cull_distance_arrays.c:104
104 assert(clip->data.compact);
(gdb) bt
#0 0x00007ffff555f4bd in combine_clip_cull (nir=0x55555589b960,
vars=0x55555589b9a0, store_info=true)
at ../src/compiler/nir/nir_lower_clip_cull_distance_arrays.c:104
#1 0x00007ffff555f5b6 in nir_lower_clip_cull_distance_arrays
(nir=0x55555589b960) at
../src/compiler/nir/nir_lower_clip_cull_distance_arrays.c:129
#2 0x00007ffff54ba500 in brw_preprocess_nir (compiler=0x5555555da130,
nir=0x55555589b960) at ../src/intel/compiler/brw_nir.c:789
#3 0x00007ffff4d87a07 in brw_create_nir (brw=0x5555555a5ca0,
shader_prog=0x55555571b590, prog=0x5555558924a0, stage=MESA_SHADER_VERTEX,
is_scalar=true)
at ../src/mesa/drivers/dri/i965/brw_program.c:168
#4 0x00007ffff4d79676 in brw_link_shader (ctx=0x5555555a5ca0,
shProg=0x55555571b590) at ../src/mesa/drivers/dri/i965/brw_link.cpp:260
#5 0x00007ffff5015212 in _mesa_glsl_link_shader (ctx=0x5555555a5ca0,
prog=0x55555571b590) at ../src/mesa/program/ir_to_mesa.cpp:3174
#6 0x00007ffff4e8cfbb in link_program (no_error=false, shProg=0x55555571b590,
ctx=0x5555555a5ca0) at ../src/mesa/main/shaderapi.c:1206
#7 link_program_error (ctx=0x5555555a5ca0, shProg=0x55555571b590) at
../src/mesa/main/shaderapi.c:1286
#8 0x00007ffff4e8e3ee in _mesa_LinkProgram (programObj=3) at
../src/mesa/main/shaderapi.c:1778
#9 0x00007ffff7eaed9d in stub_glLinkProgram (program=3) at
/home/djdeath/src/mesa-src/piglit/tests/util/piglit-dispatch-gen.c:33949
#10 0x000055555555f3be in link_and_use_shaders () at
/home/djdeath/src/mesa-src/piglit/tests/shaders/shader_runner.c:1458
#11 0x00005555555690be in init_test (file=0x7fffffffda58
"./tests/spec/arb_cull_distance/basic-cull-1.shader_test")
at /home/djdeath/src/mesa-src/piglit/tests/shaders/shader_runner.c:4476
#12 0x0000555555569e08 in piglit_init (argc=2, argv=0x7fffffffd628) at
/home/djdeath/src/mesa-src/piglit/tests/shaders/shader_runner.c:4825
#13 0x00007ffff7f2591b in run_test (gl_fw=0x555555588100, argc=2,
argv=0x7fffffffd628)
at
/home/djdeath/src/mesa-src/piglit/tests/util/piglit-framework-gl/piglit_winsys_framework.c:73
#14 0x00007ffff7f07883 in piglit_gl_test_run (argc=2, argv=0x7fffffffd628,
config=0x7fffffffd4e0)
at /home/djdeath/src/mesa-src/piglit/tests/util/piglit-framework-gl.c:229
#15 0x000055555555c83f in main (argc=2, argv=0x7fffffffd628) at
/home/djdeath/src/mesa-src/piglit/tests/shaders/shader_runner.c:72
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