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4 Commits

Author SHA1 Message Date
Ian Romanick 9d998a2a59 glsl: Request an Nx1 type instance in ir_quadop_vector lowering pass. 
No types have 0 columns.  The glsl_type::get_instance method contains

   if ((rows < 1) || (rows > 4) || (columns < 1) || (columns > 4))
      return error_type;

To get a vector, use columns = 1.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Olivier Galibert <galibert@pobox.com>
 2012-07-30 15:14:34 -07:00
Kenneth Graunke d3073f58c1 Convert everything from the talloc API to the ralloc API. 2011-01-31 10:17:09 -08:00
Vinson Lee a172368ef1 glsl: Fix type of label 'default' in switch statement. 2010-11-19 17:28:22 -08:00
Ian Romanick 11d6f1c698 glsl: Add ir_quadop_vector expression 
The vector operator collects 2, 3, or 4 scalar components into a
vector.  Doing this has several advantages.  First, it will make
ud-chain tracking for components of vectors much easier.  Second, a
later optimization pass could collect scalars into vectors to allow
generation of SWZ instructions (or similar as operands to other
instructions on R200 and i915).  It also enables an easy way to
generate IR for SWZ instructions in the ARB_vertex_program assembler.
 2010-11-19 15:00:26 -08:00