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mesa: Switch to the other glGetVertexAttribPointervARB implementation.
Previously, Mesa used nvprogram.c's _mesa_GetVertexAttribPointervNV()
function to implement this GL call. There was also a second
implementation in varray.c, _mesa_GetVertexAttribPointervARB(), which
was entirely unused.
The varray.c variant has an additional assertion and checks the index
against ctx->Const.VertexProgram.MaxAttribs rather than
MAX_VERTEX_GENERIC_ATTRIBS. However, that variable is defined to the
same value, so it should be fine.
This will allow us to kill the duplicate function.
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Eric Anholt <eric@anholt.net>