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https://bugs.freedesktop.org/show_bug.cgi?id=7586
Summary: Error while linking Shader object
Product: Mesa
Version: 6.5
Platform: PC
OS/Version: Windows XP
Status: NEW
Severity: normal
Priority: P2
Component: Mesa core
AssignedTo: mesa3d-dev@lists.sourceforge.net
ReportedBy: [EMAIL PROTECTED]
I have a simple Fragment shader ( works with ati / nvidia drivers ), thats
breaking mesa.
In the file mesa-6.5\src\mesa\shader\shaderobjects_3dlabs.c on line 810 it says
obj = impl->_obj._container.attached[i]; // Refcounts:
obj == 1, unk == 0, sha
== 0
unk = (**obj)._unknown.QueryInterface ((struct gl2_unknown_intf
**) obj,
UIID_SHADER); // Refcounts: obj == 2, unk == obj, sha == 0
(**obj)._unknown.Release ((struct gl2_unknown_intf **) obj); //
Refcounts: obj
== 1, unk == obj, sha == 0
if (unk == NULL)
return;
sha = (struct gl2_shader_impl *) unk; // Refcounts: obj == 1,
unk == obj, sha
== unk
units[i] = &sha->_obj.unit;
(**unk).Release (unk); // Refcounts: obj == 0, unk == null, sha
== null AND
units[i] == 0 !!!!!
I added The reference counts as comments as they are on my machine. The problem
as you might have already seen is that units[i] is invalid after the last
Release and therefor I get access violations some functions later.
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