[Bug 97321] Query INFO_LOG_LENGTH for empty info log should return 0

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97321

--- Comment #7 from Qiankun Miao <qiankun.miao at intel.com> ---
(In reply to Ian Romanick from comment #6)
> The spec also says, "If pname is INFO_LOG_LENGTH , the length of the info
> log, including a null terminator, is returned."  If this query returns 0,
> then glGetProgramInfoLog CANNOT write anything to the buffer... and it
> currently does.

I think returned value of GetProgramiv() can be 0. It doesn't affect the real
length of the info log buffer. Driver can still return a null terminator
string.

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