diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_vector_splitting.cpp | 7 |
1 files changed, 5 insertions, 2 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..9b58916cf2b 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_vector_splitting.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_vector_splitting.cpp @@ -271,12 +271,15 @@ ir_vector_splitting_visitor::visit_leave(ir_assignment *ir) void *mem_ctx = lhs ? lhs->mem_ctx : rhs->mem_ctx; unsigned int writemask; + if (!(ir->write_mask & (1 << i))) + continue; + if (lhs) { new_lhs = new(mem_ctx) ir_dereference_variable(lhs->components[i]); - writemask = (ir->write_mask >> i) & 1; + writemask = 1; } else { new_lhs = ir->lhs->clone(mem_ctx, NULL); - writemask = ir->write_mask & (1 << i); + writemask = 1 << i; } if (rhs) { |