[Bug 32370] New: [r600g] src/gallium/auxiliary/util/u_blitter.c:742:util_blitter_copy_region: Assertion `util_is_format_compatible(util_format_description(dst->format), util_format_description(src->format))' failed.

[bugzilla-daemon@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=32370

           Summary: [r600g]
                    src/gallium/auxiliary/util/u_blitter.c:742:util_blitte
                    r_copy_region: Assertion
                    `util_is_format_compatible(util_format_description(dst
                    ->format), util_format_description(src->format))'
                    failed.
           Product: Mesa
           Version: git
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Drivers/Gallium/r600
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: vlee@vmware.com


mesa: d88aa6fe3e9e08af332a900c69bf2bf5c4420e90 (master)

chipset: RV620
system architecture: i686
libdrm-dev: 2.14.21-1ubuntu2.1
kernel version: 2.6.35-23-generic
Linux distribution: Ubuntu 10.10 i386

Run piglit tfp test.

$ ./bin/tfp
src/gallium/auxiliary/util/u_blitter.c:742:util_blitter_copy_region: Assertion
`util_is_format_compatible(util_format_description(dst->format),
util_format_description(src->format))' failed.

(gdb) bt
#0  0x0110ba1b in _debug_assert_fail (
    expr=0x19c443c
"util_is_format_compatible(util_format_description(dst->format),
util_format_description(src->format))", 
    file=0x19c421c "src/gallium/auxiliary/util/u_blitter.c", line=742,
function=0x19c4621 "util_blitter_copy_region")
    at src/gallium/auxiliary/util/u_debug.c:234
#1  0x01109e39 in util_blitter_copy_region (blitter=0x9247e38, dst=0x92d3490,
dstlevel=0, dstx=0, dsty=0, dstz=0, src=0x92a2970, srclevel=0, 
    srcbox=0xbfeb8c88, ignore_stencil=1 '\001') at
src/gallium/auxiliary/util/u_blitter.c:741
#2  0x010e4590 in r600_hw_copy_region (ctx=0x8f40870, dst=0x92d3490,
dst_level=0, dstx=0, dsty=0, dstz=0, src=0x92a2970, src_level=0, 
    src_box=0xbfeb8c88) at src/gallium/drivers/r600/r600_blit.c:172
#3  0x010e466e in r600_resource_copy_region (ctx=0x8f40870, dst=0x92d3490,
dst_level=0, dstx=0, dsty=0, dstz=0, src=0x92a2970, src_level=0, 
    src_box=0xbfeb8c88) at src/gallium/drivers/r600/r600_blit.c:192
#4  0x0122e8f9 in st_texture_image_copy (pipe=0x8f40870, dst=0x92d3490,
dstLevel=0, src=0x92a2970, srcLevel=0, face=0)
    at src/mesa/state_tracker/st_texture.c:307
#5  0x012d4c36 in copy_image_data_to_texture (st=0x92912d0, stObj=0x92a2698,
dstLevel=0, stImage=0x92a2b10)
    at src/mesa/state_tracker/st_cb_texture.c:1792
#6  0x012d511d in st_finalize_texture (ctx=0x9251e58, pipe=0x8f40870,
tObj=0x92a2698) at src/mesa/state_tracker/st_cb_texture.c:1919
#7  0x012c1619 in finalize_textures (st=0x92912d0) at
src/mesa/state_tracker/st_atom_texture.c:285
#8  0x012bbe88 in st_validate_state (st=0x92912d0) at
src/mesa/state_tracker/st_atom.c:172
#9  0x01226f20 in st_draw_vbo (ctx=0x9251e58, arrays=0x9293eb8,
prims=0xbfeb932c, nr_prims=1, ib=0x0, index_bounds_valid=1 '\001', min_index=0, 
    max_index=3) at src/mesa/state_tracker/st_draw.c:649
#10 0x012abf7d in vbo_draw_arrays (ctx=0x9251e58, mode=6, start=0, count=4,
numInstances=1) at src/mesa/vbo/vbo_exec_array.c:588
#11 0x012ac0e4 in vbo_exec_DrawArrays (mode=6, start=0, count=4) at
src/mesa/vbo/vbo_exec_array.c:619
#12 0x0804b06d in draw_pixmap ()
#13 0x0804b1a5 in draw ()
#14 0x0804b78f in event_loop ()
#15 0x0804bcc6 in main ()
(gdb) frame 1
#1  0x01109e39 in util_blitter_copy_region (blitter=0x9247e38, dst=0x92d3490,
dstlevel=0, dstx=0, dsty=0, dstz=0, src=0x92a2970, srclevel=0, 
    srcbox=0xbfeb8c88, ignore_stencil=1 '\001') at
src/gallium/auxiliary/util/u_blitter.c:741
741         
assert(util_is_format_compatible(util_format_description(dst->format),
(gdb) l
736       /* Sanity checks. */
737       if (dst == src) {
738          assert(!is_overlap(srcbox->x, srcbox->x + width, srcbox->y,
srcbox->y + height,
739                             dstx, dstx + width, dsty, dsty + height));
740       } else {
741         
assert(util_is_format_compatible(util_format_description(dst->format),
742                                          
util_format_description(src->format)));
743       }
744       assert(src->target < PIPE_MAX_TEXTURE_TYPES);
745       /* XXX should handle 3d regions */
(gdb) print dst->format
$1 = PIPE_FORMAT_B8G8R8X8_UNORM
(gdb) print src->format
$2 = PIPE_FORMAT_B8G8R8A8_UNORM



cae2bb76c1147d48f75ddd7a058a48d11e72ba03 is the first bad commit
commit cae2bb76c1147d48f75ddd7a058a48d11e72ba03
Author: Brian Paul <brianp@vmware.com>
Date:   Mon Dec 6 11:01:19 2010 -0700

    st/mesa: fix mipmap generation bug

    In st_finalize_texture() we were looking at the st_texture_object::
    lastLevel field instead of the pipe_resource::last_level field to
    determine which resource to store the mipmap in.

    Then, in st_generate_mipmap() we need to call st_finalize_texture() to
    make sure the destination resource is properly allocated.

    These changes fix the broken piglit fbo-generatemipmap-formats test.

:040000 040000 28838d86ff86d6d4403c83c061b38836d36616a1
39bc80854dbcfc7bc10e72bf81a85e2feececea8 M    src
bisect run success

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