http://bugs.freedesktop.org/show_bug.cgi?id=11016
Summary: glGetVertexAttribivARB(0,
GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB, ...) generates
GL_INVALID_ENUM with indirect rendering
Product: Mesa
Version: 6.5
Platform: x86-64 (AMD64)
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: GLX
AssignedTo: mesa3d-dev@lists.sourceforge.net
ReportedBy: [EMAIL PROTECTED]
The summary describes the error; I get the same error with other attribute
numbers and also GL_VERTEX_ATTRIB_ARRAY_NORMALIZED.
Tracing some code, it appears that indirect_table.c in xorg-server (generated
by glX_server_table.py, according to the comment) may be the culprit. It maps
GLX opcode 1303 to glGetVertexAttribivNV. The NV and ARB variants use the same
GLX opcode, but the NV variant does not support the _ENABLED or _NORMALIZED
queries.
I've written a trivial program to illustrate the bug. I'll attach it as soon as
I've had an opportunity to restart X in order to test it.
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