mesa: 46ea8041074df79561f9771e2ecf198f2cbd088f (master)

Run piglit arb_uniform_buffer_object-maxblocks on llvmpipe.

$ ./bin/arb_uniform_buffer_object-maxblocks -auto
Max VS uniform blocks: 31
Max FS uniform blocks: 31
Max combined uniform blocks: 36
Failed to link: error: Too many vertex uniform blocks (32/31)
Failed to link: error: Too many fragment uniform blocks (32/31)
Failed to link: error: Too many combined uniform blocks (37/36)
Failed to link: error: Too many combined uniform blocks (31/36)
src/gallium/drivers/llvmpipe/lp_state_fs.c:2415:llvmpipe_set_constant_buffer: Assertion `index < (sizeof(llvmpipe->constants[shader])/sizeof((llvmpipe->constants[shader])[0]))' failed.
Trace/breakpoint trap (core dumped)

(gdb) bt
#0  0x00007f9c3954490a in _debug_assert_fail (expr=0x7f9c3a04fad8 "index < (sizeof(llvmpipe->constants[shader])/sizeof((llvmpipe->constants[shader])[0]))", 
    file=0x7f9c3a04f250 "src/gallium/drivers/llvmpipe/lp_state_fs.c", line=2415, function=0x7f9c3a04fc10 "llvmpipe_set_constant_buffer")
    at src/gallium/auxiliary/util/u_debug.c:278
#1  0x00007f9c39203603 in llvmpipe_set_constant_buffer (pipe=0x9b1c10, shader=0, index=16, cb=0x7fffce789f10)
    at src/gallium/drivers/llvmpipe/lp_state_fs.c:2415
#2  0x00007f9c394f528c in cso_set_constant_buffer (cso=0xa90c00, shader_stage=0, index=16, cb=0x7fffce789f10)
    at src/gallium/auxiliary/cso_cache/cso_context.c:1337
#3  0x00007f9c39426779 in st_bind_ubos (st=0xa799f0, shader=0xb289f0, shader_type=0) at src/mesa/state_tracker/st_atom_constbuf.c:215
#4  0x00007f9c394267d7 in bind_vs_ubos (st=0xa799f0) at src/mesa/state_tracker/st_atom_constbuf.c:226
#5  0x00007f9c3942439a in st_validate_state (st=0xa799f0) at src/mesa/state_tracker/st_atom.c:201
#6  0x00007f9c3935ec38 in st_draw_vbo (ctx=0xa23990, prims=0x7fffce78a0e0, nr_prims=1, ib=0x0, index_bounds_valid=1 '\001', min_index=0, max_index=3, 
    tfb_vertcount=0x0) at src/mesa/state_tracker/st_draw.c:210
#7  0x00007f9c3941e305 in vbo_draw_arrays (ctx=0xa23990, mode=7, start=0, count=4, numInstances=1, baseInstance=0) at src/mesa/vbo/vbo_exec_array.c:624
#8  0x00007f9c3941eccc in vbo_exec_DrawArrays (mode=7, start=0, count=4) at src/mesa/vbo/vbo_exec_array.c:776
#9  0x00007f9c3bffd0e9 in stub_glDrawArrays (mode=7, first=0, count=4) at piglit/tests/util/generated_dispatch.c:5350
#10 0x00007f9c3c0582d1 in piglit_draw_rect (x=-0.959999979, y=-0.800000012, w=0.0399999991, h=0.200000003)
    at piglit/tests/util/piglit-util-gl.c:872
#11 0x0000000000401979 in test_draw (y_index=0, prog=15, bos=0xb47be0, test_block=0, active_blocks=31)
    at piglit/tests/spec/arb_uniform_buffer_object/maxblocks.c:226
#12 0x0000000000401af8 in pass_link_test (y_index=0, vs_prefix=0x4021c1 "vs", vs_blocks=31, fs_prefix=0x4021c1 "vs", fs_blocks=0)
    at piglit/tests/spec/arb_uniform_buffer_object/maxblocks.c:267
#13 0x0000000000401d21 in piglit_display () at piglit/tests/spec/arb_uniform_buffer_object/maxblocks.c:314
#14 0x00007f9c3bff1478 in display () at piglit/tests/util/piglit-framework-gl/piglit_glut_framework.c:60
#15 0x00007f9c3b7a3137 in fghRedrawWindow (window=0x9ae0c0) at freeglut_main.c:210
#16 fghcbDisplayWindow (window=0x9ae0c0, enumerator=0x7fffce78a3d0) at freeglut_main.c:227
#17 0x00007f9c3b7a6889 in fgEnumWindows (enumCallback=0x7f9c3b7a30d0 <fghcbDisplayWindow>, enumerator=0x7fffce78a3d0) at freeglut_structure.c:394
#18 0x00007f9c3b7a35fa in fghDisplayAll () at freeglut_main.c:249
#19 glutMainLoopEvent () at freeglut_main.c:1450
#20 0x00007f9c3b7a3f05 in glutMainLoop () at freeglut_main.c:1498
#21 0x00007f9c3bff16ad in run_test (gl_fw=0x7f9c3c2c4bc0, argc=1, argv=0x7fffce78a798)
    at piglit/tests/util/piglit-framework-gl/piglit_glut_framework.c:142
#22 0x00007f9c3bfef796 in piglit_gl_test_run (argc=1, argv=0x7fffce78a798, config=0x7fffce78a680)
    at piglit/tests/util/piglit-framework-gl.c:127
#23 0x000000000040131e in main (argc=2, argv=0x7fffce78a798) at piglit/tests/spec/arb_uniform_buffer_object/maxblocks.c:58
(gdb) frame 1
#1  0x00007f9c39203603 in llvmpipe_set_constant_buffer (pipe=0x9b1c10, shader=0, index=16, cb=0x7fffce789f10)
    at src/gallium/drivers/llvmpipe/lp_state_fs.c:2415
2415	   assert(index < Elements(llvmpipe->constants[shader]));
(gdb) print index
$1 = 16
(gdb) print Elements(llvmpipe->constants[shader])
No symbol "Elements" in current context.
(gdb) print sizeof(llvmpipe->constants[shader])
$2 = 384
(gdb) print sizeof(llvmpipe->constants[shader])[0]
$3 = 24
(gdb) print 384 / 24
$4 = 16

614ee25077b7ffafeb87b22563d01856824fb4bc is the first bad commit
commit 614ee25077b7ffafeb87b22563d01856824fb4bc
Author: Marek Olšák <maraeo@gmail.com>
Date:   Thu May 2 02:38:43 2013 +0200

    st/mesa: initialize all program constants and UBO limits
    
    Also simplify UBO support checking.
    
    NOTE: This is a candidate for the 9.1 branch.
    
    Reviewed-by: Brian Paul <brianp@vmware.com>

:040000 040000 43469d74b142c9f8cc68e07142a952dd73c6298d bd3bffda50371f7e9f646dda596077eb828ec3be M	src
bisect run success