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i965/vs: Fix up swizzle for dereference_array of matrices.

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Fixes assertion failure in piglit:
vs-mat2-struct-assignment.shader_test
vs-mat2-array-assignment.shader_test

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
This commit is contained in:
Eric Anholt 2012-05-10 15:38:11 -07:00
parent ef691885c9
commit aa02884c4f
1 changed files with 2 additions and 2 deletions
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4
src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
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@ -1454,7 +1454,7 @@ vec4_visitor::visit(ir_dereference_array *ir)
}
/* If the type is smaller than a vec4, replicate the last channel out. */
if (ir->type->is_scalar() || ir->type->is_vector())
if (ir->type->is_scalar() || ir->type->is_vector() || ir->type->is_matrix())
src.swizzle = swizzle_for_size(ir->type->vector_elements);
else
src.swizzle = BRW_SWIZZLE_NOOP;
@ -1479,7 +1479,7 @@ vec4_visitor::visit(ir_dereference_record *ir)
}
/* If the type is smaller than a vec4, replicate the last channel out. */
if (ir->type->is_scalar() || ir->type->is_vector())
if (ir->type->is_scalar() || ir->type->is_vector() || ir->type->is_matrix())
this->result.swizzle = swizzle_for_size(ir->type->vector_elements);
else
this->result.swizzle = BRW_SWIZZLE_NOOP;