[Mesa-dev] [PATCH] mesa: change MAX_PROGRAM_ADDRESS_REGS to 1, clamp to it in state tracker

Eric Anholt eric at anholt.net
Tue Jun 4 12:37:55 PDT 2013

Brian Paul <brianp at vmware.com> writes:

> We've never properly supported more than one address register.  There
> isn't even a field in prog_src_register or prog_dst_Register to indicate
> which address register to use if RelAddr!=0.
> In the state tracker, clamp MaxAddressRegs against MAX_PROGRAM_ADDRESS_REGS
> since many gallium drivers do support more.
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=65226

Looks like non-gallium had defaults of 1 or 0 from

Reviewed-by: Eric Anholt <eric at anholt.net>
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