http://bugs.freedesktop.org/show_bug.cgi?id=27216
Vinson Lee <v...@vmware.com> changed:
What |Removed |Added
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AssignedTo|mesa3d- |bri...@vmware.com
|d...@lists.sourceforge.net |
--- Comment #1 from Vinson Lee <v...@vmware.com> 2010-03-21 22:36:50 PST ---
mesa: 9fc6c8b831e5b43ae86ece6a531fc892f6f66356 (master)
(gdb) bt
#0 0x0073f422 in __kernel_vsyscall ()
#1 0x009ff4d1 in *__GI_raise (sig=6) at
../nptl/sysdeps/unix/sysv/linux/raise.c:64
#2 0x00a02932 in *__GI_abort () at abort.c:92
#3 0x009f8648 in *__GI___assert_fail (assertion=0x424373 "index >= 0",
file=0x424300 "shader/slang/slang_emit.c", line=350,
function=0x424dd4 "storage_to_src_reg") at assert.c:81
#4 0x003a2373 in storage_to_src_reg (src=0x97f965c, st=0xb65a7de0) at
shader/slang/slang_emit.c:350
#5 0x003a2bf4 in emit_instruction (emitInfo=0xbfb05680, opcode=OPCODE_IF,
dst=0x0, src0=0xb65a7de0, src1=0x0, src2=0x0) at shader/slang/slang_emit.c:593
#6 0x003a4c85 in emit_if (emitInfo=0xbfb05680, n=0xb65a7f40) at
shader/slang/slang_emit.c:1700
#7 0x003a6722 in emit (emitInfo=0xbfb05680, n=0xb65a7f40) at
shader/slang/slang_emit.c:2488
#8 0x003a64ae in emit (emitInfo=0xbfb05680, n=0xb65a7f80) at
shader/slang/slang_emit.c:2361
#9 0x003a64eb in emit (emitInfo=0xbfb05680, n=0xb65a7fc0) at
shader/slang/slang_emit.c:2371
#10 0x003a6482 in emit (emitInfo=0xbfb05680, n=0xb65a8040) at
shader/slang/slang_emit.c:2358
#11 0x003a6bf2 in _slang_emit_code (n=0xb65a8040, vt=0xb659fc10,
prog=0x97f51e0, pragmas=0x94f1d78, withEnd=1 '\001', log=0xbfb06bfc)
at shader/slang/slang_emit.c:2645
#12 0x003a1acc in _slang_codegen_function (A=0xbfb0571c, fun=0xb65a2b88) at
shader/slang/slang_codegen.c:5345
#13 0x002d6da1 in parse_code_unit (C=0xbfb05924, unit=0xbfb05bd4,
shader=0x94f1d58) at shader/slang/slang_compile.c:2636
#14 0x002d6e7b in compile_binary (prod=0x980bd78 "\005\001", unit=0xbfb05bd4,
version=110, type=SLANG_UNIT_FRAGMENT_SHADER, infolog=0xbfb06bfc,
builtin=0xbfb05b24, downlink=0xbfb05ba8, shader=0x94f1d58) at
shader/slang/slang_compile.c:2679
#15 0x002d71f7 in compile_with_grammar (
source=0x97f5160 "void\n main ()\n {\n float thing;\n\n if ((thing =
sqrt (5.0)) > 1.0)\n gl_FragColor = vec4 (1.0, 0.0, 0.0, 1.0);\n }\n\n\n",
unit=0xbfb05bd4, type=SLANG_UNIT_FRAGMENT_SHADER, infolog=0xbfb06bfc,
builtin=0xbfb05b24, shader=0x94f1d58, pragmas=0x94f1d78, shader_type=1,
parsing_builtin=0) at shader/slang/slang_compile.c:2786
#16 0x002d74fe in compile_object (
source=0x97f5160 "void\n main ()\n {\n float thing;\n\n if ((thing =
sqrt (5.0)) > 1.0)\n gl_FragColor = vec4 (1.0, 0.0, 0.0, 1.0);\n }\n\n\n",
object=0xbfb05b24, type=SLANG_UNIT_FRAGMENT_SHADER, infolog=0xbfb06bfc,
shader=0x94f1d58, pragmas=0x94f1d78) at shader/slang/slang_compile.c:2912
#17 0x002d767e in _slang_compile (ctx=0x94c5248, shader=0x94f1d58) at
shader/slang/slang_compile.c:2964
#18 0x0028a42a in _mesa_compile_shader (ctx=0x94c5248, shaderObj=1) at
shader/shader_api.c:1466
#19 0x0034e742 in _mesa_CompileShaderARB (shaderObj=1) at main/shaders.c:80
#4 0x003a2373 in storage_to_src_reg (src=0x97f965c, st=0xb65a7de0) at
shader/slang/slang_emit.c:350
350 assert(index >= 0);
(gdb) print index
$1 = -1
src/mesa/shader/slang/slang_emit.c
342 static void
343 storage_to_src_reg(struct prog_src_register *src, const
slang_ir_storage *st)
344 {
345 const GLboolean relAddr = st->RelAddr;
346 GLint index = st->Index;
347 GLuint swizzle = st->Swizzle;
348
349 /* if this is storage relative to some parent storage, walk up the
tree */
350 assert(index >= 0);
351 while (st->Parent) {
352 st = st->Parent;
353 if (st->Index < 0) {
354 /* an error should have been reported already */
355 return;
356 }
357 assert(st->Index >= 0);
358 index += st->Index;
359 swizzle = _slang_swizzle_swizzle(fix_swizzle(st->Swizzle),
swizzle);
360 }
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