diff options
Diffstat (limited to 'ir_to_mesa.cpp')
| -rw-r--r-- | ir_to_mesa.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/ir_to_mesa.cpp b/ir_to_mesa.cpp index d9d7a91b29..8a5b2a6dbb 100644 --- a/ir_to_mesa.cpp +++ b/ir_to_mesa.cpp @@ -371,9 +371,14 @@ ir_to_mesa_visitor::visit(ir_expression *ir) /* Storage for our result. Ideally for an assignment we'd be using * the actual storage for the result here, instead. */ - result_src = get_temp(4); + result_src = get_temp(ir->type->vector_elements); /* convenience for the emit functions below. */ result_dst = ir_to_mesa_dst_reg_from_src(result_src); + /* Limit writes to the channels that will be used by result_src later. + * This does limit this temp's use as a temporary for multi-instruction + * sequences. + */ + result_dst.writemask = (1 << ir->type->vector_elements) - 1; switch (ir->operation) { case ir_unop_logic_not: |