[Mesa-dev] [Bug 75661] New: st_glsl_to_tgsi.cpp:637:get_opcode: Assertion `src0.type != GLSL_TYPE_STRUCT' failed.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75661

          Priority: medium
            Bug ID: 75661
          Keywords: have-backtrace
          Assignee: mesa-dev at lists.freedesktop.org
           Summary: st_glsl_to_tgsi.cpp:637:get_opcode: Assertion
                    `src0.type != GLSL_TYPE_STRUCT' failed.
          Severity: critical
    Classification: Unclassified
                OS: Linux (All)
          Reporter: vlee at freedesktop.org
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Mesa core
           Product: Mesa

mesa: fc25956badb8e1932cc19d8c97b4be16e92dfc65 (master 10.2.0-devel)

piglit fs-deref-literal-array-of-structs triggers an assert on softpipe and
llvmpipe.

$ ./bin/shader_runner
tests/spec/glsl-1.20/execution/fs-deref-literal-array-of-structs.shader_test
-auto
state_tracker/st_glsl_to_tgsi.cpp:637:get_opcode: Assertion `src0.type !=
GLSL_TYPE_STRUCT' failed.
Trace/breakpoint trap (core dumped)

(gdb) bt
#0  0x00007f527f2d9a1b in _debug_assert_fail (expr=0x7f527f41c182 "src0.type !=
GLSL_TYPE_STRUCT", 
    file=0x7f527f41c0d0 "state_tracker/st_glsl_to_tgsi.cpp", line=637, 
    function=0x7f527f41d508 <glsl_to_tgsi_visitor::get_opcode(ir_instruction*,
unsigned int, st_dst_reg, st_src_reg, st_src_reg)::__FUNCTION__> "get_opcode")
at util/u_debug.c:278
#1  0x00007f527f141e2a in glsl_to_tgsi_visitor::get_opcode (this=0x10cc050,
ir=0x10e4460, op=1, dst=..., 
    src0=..., src1=...) at state_tracker/st_glsl_to_tgsi.cpp:637
#2  0x00007f527f14162e in glsl_to_tgsi_visitor::emit (this=0x10cc050,
ir=0x10e4460, op=1, dst=..., src0=..., 
    src1=..., src2=...) at state_tracker/st_glsl_to_tgsi.cpp:533
#3  0x00007f527f141c77 in glsl_to_tgsi_visitor::emit (this=0x10cc050,
ir=0x10e4460, op=1, dst=..., src0=...)
    at state_tracker/st_glsl_to_tgsi.cpp:616
#4  0x00007f527f14c9d1 in glsl_to_tgsi_visitor::visit (this=0x10cc050,
ir=0x10e4460)
    at state_tracker/st_glsl_to_tgsi.cpp:2492
#5  0x00007f527f21b69c in ir_constant::accept (this=0x10e4460, v=0x10cc050) at
../../src/glsl/ir.h:2134
#6  0x00007f527f14acdc in glsl_to_tgsi_visitor::visit (this=0x10cc050,
ir=0x10e48e0)
    at state_tracker/st_glsl_to_tgsi.cpp:2085
#7  0x00007f527f21b5f0 in ir_dereference_array::accept (this=0x10e48e0,
v=0x10cc050)
    at ../../src/glsl/ir.h:2024
#8  0x00007f527f14b3a3 in glsl_to_tgsi_visitor::visit (this=0x10cc050,
ir=0x10e4950)
    at state_tracker/st_glsl_to_tgsi.cpp:2163
#9  0x00007f527f21b65e in ir_dereference_record::accept (this=0x10e4950,
v=0x10cc050)
    at ../../src/glsl/ir.h:2072
#10 0x00007f527f14b9f5 in glsl_to_tgsi_visitor::visit (this=0x10cc050,
ir=0x10e4a00)
    at state_tracker/st_glsl_to_tgsi.cpp:2338
#11 0x00007f527f21b318 in ir_assignment::accept (this=0x10e4a00, v=0x10cc050)
at ../../src/glsl/ir.h:1053
#12 0x00007f527f143954 in glsl_to_tgsi_visitor::visit (this=0x10cc050,
ir=0x10e4130)
    at state_tracker/st_glsl_to_tgsi.cpp:1187
#13 0x00007f527f21b268 in ir_function::accept (this=0x10e4130, v=0x10cc050) at
../../src/glsl/ir.h:920
#14 0x00007f527f2183dd in visit_exec_list (list=0x10d8fe0, visitor=0x10cc050)
at ../../src/glsl/ir.cpp:1725
#15 0x00007f527f156f98 in get_mesa_program (ctx=0x7f52843d2010,
shader_program=0x10cb510, shader=0x10d8e10)
    at state_tracker/st_glsl_to_tgsi.cpp:5144
#16 0x00007f527f1577eb in st_link_shader (ctx=0x7f52843d2010, prog=0x10cb510)
    at state_tracker/st_glsl_to_tgsi.cpp:5376
#17 0x00007f527f16d3ec in _mesa_glsl_link_shader (ctx=0x7f52843d2010,
prog=0x10cb510)
    at program/ir_to_mesa.cpp:3093
#18 0x00007f527f068b97 in link_program (ctx=0x7f52843d2010, program=3) at
main/shaderapi.c:913
#19 0x00007f527f069cd1 in _mesa_LinkProgram (programObj=3) at
main/shaderapi.c:1377
#20 0x00007f5283f0d469 in stub_glLinkProgram (program=3)
    at piglit/tests/util/generated_dispatch.c:17573
#21 0x000000000040586e in link_and_use_shaders () at
piglit/tests/shaders/shader_runner.c:814
#22 0x00000000004094f0 in piglit_init (argc=2, argv=0x7fff9e9bf9c8)
    at piglit/tests/shaders/shader_runner.c:2055
#23 0x00007f5283ee7a1a in run_test (gl_fw=0x7f52841d6360 <glut_fw>, argc=2,
argv=0x7fff9e9bf9c8)
    at piglit/tests/util/piglit-framework-gl/piglit_glut_framework.c:140
#24 0x00007f5283ee57e9 in piglit_gl_test_run (argc=2, argv=0x7fff9e9bf9c8,
config=0x7fff9e9bf890)
    at piglit/tests/util/piglit-framework-gl.c:191
#25 0x000000000040415e in main (argc=2, argv=0x7fff9e9bf9c8)
    at piglit/tests/shaders/shader_runner.c:60
(gdb) frame 1
#1  0x00007f527f141e2a in glsl_to_tgsi_visitor::get_opcode (this=0x10cc050,
ir=0x10e4460, op=1, dst=..., 
    src0=..., src1=...) at state_tracker/st_glsl_to_tgsi.cpp:637
637       assert(src0.type != GLSL_TYPE_STRUCT);
(gdb) print src0.type
$1 = 7
(gdb) print /d GLSL_TYPE_STRUCT
$2 = 7

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