diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_vector_splitting.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_vector_splitting.cpp b/src/mesa/drivers/dri/i965/brw_fs_vector_splitting.cpp index d4da86b3b06..00d5c202485 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_vector_splitting.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_vector_splitting.cpp @@ -281,6 +281,9 @@ ir_vector_splitting_visitor::visit_leave(ir_assignment *ir) if (rhs) { new_rhs = new(mem_ctx) ir_dereference_variable(rhs->components[i]); + /* If we're writing into a writemask, smear it out to that channel. */ + if (!lhs) + new_rhs = new(mem_ctx) ir_swizzle(new_rhs, i, i, i, i, i + 1); } else { new_rhs = new(mem_ctx) ir_swizzle(ir->rhs->clone(mem_ctx, NULL), i, i, i, i, 1); |