https://bugs.freedesktop.org/show_bug.cgi?id=91099
Bug ID: 91099
Summary: [llvmpipe] piglit glsl-max-varyings
>max_varying_components regression
Product: Mesa
Version: git
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Keywords: regression
Severity: normal
Priority: medium
Component: Mesa core
Assignee: mesa-dev@lists.freedesktop.org
Reporter: v...@freedesktop.org
QA Contact: mesa-dev@lists.freedesktop.org
CC: jfons...@vmware.com, srol...@vmware.com
mesa: e31bce4041122cd00712b60b4dc1eae6486f6579 (master 10.7.0-devel)
$ ./bin/glsl-max-varyings --exceed-limits -auto
Vertical axis: Increasing numbers of varyings.
Horizontal axis: Which of the varyings contains the color.
GL_MAX_VARYING_FLOATS = 128
glsl-max-varyings: src/mesa/state_tracker/st_glsl_to_tgsi.cpp:4655: ureg_dst
dst_register(st_translate*, gl_register_file, unsigned int, unsigned int):
Assertion `index < VARYING_SLOT_MAX' failed.
Aborted (core dumped)
(gdb) bt
#0 0x00007fc07799b267 in __GI_raise (sig=sig@entry=6) at
../sysdeps/unix/sysv/linux/raise.c:55
#1 0x00007fc07799ceca in __GI_abort () at abort.c:89
#2 0x00007fc07799403d in __assert_fail_base (fmt=0x7fc077af6028 "%s%s%s:%u:
%s%sAssertion `%s' failed.\n%n",
assertion=assertion@entry=0x7fc076a3e67b "index < VARYING_SLOT_MAX",
file=file@entry=0x7fc076a3d708 "src/mesa/state_tracker/st_glsl_to_tgsi.cpp",
line=line@entry=4655,
function=function@entry=0x7fc076a3ff00 <dst_register(st_translate*,
gl_register_file, unsigned int, unsigned int)::__PRETTY_FUNCTION__> "ureg_dst
dst_register(st_translate*, gl_register_file, unsigned int, unsigned int)") at
assert.c:92
#3 0x00007fc0779940f2 in __GI___assert_fail (assertion=0x7fc076a3e67b "index <
VARYING_SLOT_MAX",
file=0x7fc076a3d708 "src/mesa/state_tracker/st_glsl_to_tgsi.cpp",
line=4655,
function=0x7fc076a3ff00 <dst_register(st_translate*, gl_register_file,
unsigned int, unsigned int)::__PRETTY_FUNCTION__> "ureg_dst
dst_register(st_translate*, gl_register_file, unsigned int, unsigned int)") at
assert.c:101
#4 0x00007fc075bebc69 in dst_register (t=0xc31420, file=PROGRAM_OUTPUT,
index=56, array_id=0) at src/mesa/state_tracker/st_glsl_to_tgsi.cpp:4655
#5 0x00007fc075bec3aa in translate_dst (t=0xc31420, dst_reg=0xcda7d8,
saturate=false, clamp_color=false)
at src/mesa/state_tracker/st_glsl_to_tgsi.cpp:4756
#6 0x00007fc075becb15 in compile_tgsi_instruction (t=0xc31420, inst=0xcda7c0,
clamp_dst_color_output=false)
at src/mesa/state_tracker/st_glsl_to_tgsi.cpp:4904
#7 0x00007fc075beef45 in st_translate_program (ctx=0x7fc0784fe010, procType=1,
ureg=0xe79180, program=0xe26870, proginfo=0xf08070, numInputs=3,
inputMapping=0xf08448, inputSlotToAttr=0x0, inputSemanticName=0x0,
inputSemanticIndex=0x0, interpMode=0x0, interpLocation=0x0, numOutputs=33,
outputMapping=0xf08610, outputSlotToAttr=0xf086f0,
outputSemanticName=0xf087d0 "", outputSemanticIndex=0xf08808 "",
passthrough_edgeflags=0 '\000',
clamp_color=0 '\000') at src/mesa/state_tracker/st_glsl_to_tgsi.cpp:5581
#8 0x00007fc075a68de5 in st_translate_vertex_program (st=0xa64210,
stvp=0xf08070, key=0x7ffe56dacd60) at src/mesa/state_tracker/st_program.c:348
#9 0x00007fc075a69027 in st_get_vp_variant (st=0xa64210, stvp=0xf08070,
key=0x7ffe56dacd60) at src/mesa/state_tracker/st_program.c:440
#10 0x00007fc075bbe1f2 in update_vp (st=0xa64210) at
src/mesa/state_tracker/st_atom_shader.c:158
#11 0x00007fc075bb925b in st_validate_state (st=0xa64210) at
src/mesa/state_tracker/st_atom.c:214
#12 0x00007fc075a63e73 in st_draw_vbo (ctx=0x7fc0784fe010,
prims=0x7ffe56dacf70, nr_prims=1, ib=0x0, index_bounds_valid=1 '\001',
min_index=0,
max_index=3, tfb_vertcount=0x0, indirect=0x0) at
src/mesa/state_tracker/st_draw.c:199
#13 0x00007fc075ba6212 in vbo_draw_arrays (ctx=0x7fc0784fe010, mode=5, start=0,
count=4, numInstances=1, baseInstance=0)
at src/mesa/vbo/vbo_exec_array.c:645
#14 0x00007fc075ba6ca0 in vbo_exec_DrawArrays (mode=5, start=0, count=4) at
src/mesa/vbo/vbo_exec_array.c:797
#15 0x0000000000401ef2 in draw (num_varyings=33) at
piglit/tests/shaders/glsl-max-varyings.c:233
#16 0x000000000040208c in piglit_display () at
piglit/tests/shaders/glsl-max-varyings.c:273
#17 0x00007fc078067f8e in run_test (gl_fw=0x976980, argc=2,
argv=0x7ffe56dad448)
at piglit/tests/util/piglit-framework-gl/piglit_winsys_framework.c:79
#18 0x00007fc07804c999 in piglit_gl_test_run (argc=2, argv=0x7ffe56dad448,
config=0x7ffe56dad300)
at piglit/tests/util/piglit-framework-gl.c:191
#19 0x00000000004014fd in main (argc=2, argv=0x7ffe56dad448) at
piglit/tests/shaders/glsl-max-varyings.c:48
(gdb) frame 4
#4 0x00007fc075bebc69 in dst_register (t=0xc31420, file=PROGRAM_OUTPUT,
index=56, array_id=0) at src/mesa/state_tracker/st_glsl_to_tgsi.cpp:4655
4655 assert(index < VARYING_SLOT_MAX);
(gdb) print /d VARYING_SLOT_MAX
$1 = 56
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