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-rw-r--r--src/mesa/program/ir_to_mesa.cpp8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp
index b274a961b28..490c4cab7ab 100644
--- a/src/mesa/program/ir_to_mesa.cpp
+++ b/src/mesa/program/ir_to_mesa.cpp
@@ -1569,7 +1569,13 @@ ir_to_mesa_visitor::visit(ir_dereference_record *ir)
break;
offset += type_size(struct_type->fields.structure[i].type);
}
- this->result.swizzle = swizzle_for_size(ir->type->vector_elements);
+
+ /* If the type is smaller than a vec4, replicate the last channel out. */
+ if (ir->type->is_scalar() || ir->type->is_vector())
+ this->result.swizzle = swizzle_for_size(ir->type->vector_elements);
+ else
+ this->result.swizzle = SWIZZLE_NOOP;
+
this->result.index += offset;
}