[Bug 61635] New: glVertexAttribPointer(id, GL_UNSIGNED_BYTE, GL_FALSE, ...) does not work - bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [Bug 61635] New: glVertexAttribPointer(id, GL_UNSIGNED_BYTE, GL_FALSE, ...) does not work
Date: Thu, 28 Feb 2013 21:02:30 +0000	[thread overview]
Message-ID: <bug-61635-8800@http.bugs.freedesktop.org/> (raw)

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https://bugs.freedesktop.org/show_bug.cgi?id=61635

          Priority: medium
            Bug ID: 61635
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
           Summary: glVertexAttribPointer(id, GL_UNSIGNED_BYTE,
                    GL_FALSE,...) does not work
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: rodrigorivascosta-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
          Hardware: x86 (IA32)
            Status: NEW
           Version: git
         Component: Drivers/DRI/nouveau
           Product: Mesa

I have a  NVidia GeForce 7600GT with the latest git nouveau driver (Gallium 0.4
on NV4B) and kernel 3.7.9.

I found the following problem: calling the function glVertexAttribPointer(idx,
GL_UNSIGNED_BYTE, GL_FALSE,...) does not work, that is the previous attrib
pointer remains, and the nouveau driver outputs in the dmesg:

[ 2052.630628] nouveau  [  PGRAPH][0000:01:00.0]  ERROR nsource: DATA_ERROR
nstatus: BAD_ARGUMENT
[ 2052.630644] nouveau E[  PGRAPH][0000:01:00.0] ch 3 [0x000dd000] subc 7 class
0x4097 mthd 0x1744 data 0x00001417

But glGetError() returns nothing unusual.

If I change the parameter from GL_UNSIGNED_BYTE to any other type (GL_BYTE,
GL_UNSIGNED_SHORT, GL_SHORT...) then it works as expected.

If I change the "normalized" parameter to GL_TRUE, it also works fine, even
with type GL_UNSIGNED_BYTE.

The software renderer does not have this problem. That and the kernel messages
suggest that it is a nouveau issue.

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