<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - Crash in src_register() during glClear() call" href="https://bugs.freedesktop.org/show_bug.cgi?id=58718#c8">Comment # 8</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - Crash in src_register() during glClear() call" href="https://bugs.freedesktop.org/show_bug.cgi?id=58718">bug 58718</a> from <a class="email" href="mailto:sroland@vmware.com" title="Roland Scheidegger <sroland@vmware.com>"> Roland Scheidegger</a> <pre>(In reply to <a href="show_bug.cgi?id=58718#c7">comment #7</a>) > In case it helps, it appears that MSVC always treats enum values as signed > int. E.g. see: > > <a href="http://compgroups.net/comp.lang.c++/problem-with-visual-c++-7.1.3088-and-bit">http://compgroups.net/comp.lang.c++/problem-with-visual-c++-7.1.3088-and-bit</a>- > fields/1013665 > > GCC appears to use unsigned int if no enum values are negative. > > <a href="http://gcc.gnu.org/onlinedocs/gcc-4.1.1/gcc/Structures-unions-enumerations">http://gcc.gnu.org/onlinedocs/gcc-4.1.1/gcc/Structures-unions-enumerations</a>- > and-bit_002dfields-implementation.html > > The implication is that bit-fields may be a bit short if specified as GLuint. I think I'm missing how that could cause the bug we're seeing here. FWIW struct ureg_dst actually looks definitely buggy to me, since IndirectSwizzle should be unsigned, not int, but I just noticed that now by accident and it's not an issue with ureg_src.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>