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glsl: Request an Nx1 type instance in ir_quadop_vector lowering pass.

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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>
This commit is contained in:
Ian Romanick 2012-03-22 15:09:40 -07:00 • committed by Kenneth Graunke
parent 13cb99dc73
commit 9d998a2a59
1 changed files with 1 additions and 1 deletions
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2
src/glsl/lower_vector.cpp
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@ -183,7 +183,7 @@ lower_vector_visitor::handle_rvalue(ir_rvalue **rvalue)
if (assigned > 0) {
ir_constant *const c =
new(mem_ctx) ir_constant(glsl_type::get_instance(expr->type->base_type,
assigned, 0),
assigned, 1),
&d);
ir_dereference *const lhs = new(mem_ctx) ir_dereference_variable(temp);
ir_assignment *const assign =