diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965')
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_vector_splitting.cpp | 11 |
1 files changed, 8 insertions, 3 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 83b4af05bc..552254df87 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_vector_splitting.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_vector_splitting.cpp @@ -264,8 +264,10 @@ ir_vector_splitting_visitor::visit_leave(ir_assignment *ir) variable_entry *rhs = rhs_deref ? get_splitting_entry(rhs_deref->var) : NULL; if (lhs_deref && rhs_deref && (lhs || rhs) && !ir->condition) { + unsigned int rhs_chan = 0; + /* Straight assignment of vector variables. */ - for (unsigned int i = 0; i < ir->rhs->type->vector_elements; i++) { + for (unsigned int i = 0; i < ir->lhs->type->vector_elements; i++) { ir_dereference *new_lhs; ir_rvalue *new_rhs; void *mem_ctx = lhs ? lhs->mem_ctx : rhs->mem_ctx; @@ -283,15 +285,18 @@ ir_vector_splitting_visitor::visit_leave(ir_assignment *ir) } if (rhs) { - new_rhs = new(mem_ctx) ir_dereference_variable(rhs->components[i]); + new_rhs = + new(mem_ctx) ir_dereference_variable(rhs->components[rhs_chan]); } else { new_rhs = new(mem_ctx) ir_swizzle(ir->rhs->clone(mem_ctx, NULL), - i, i, i, i, 1); + rhs_chan, 0, 0, 0, 1); } ir->insert_before(new(mem_ctx) ir_assignment(new_lhs, new_rhs, NULL, writemask)); + + rhs_chan++; } ir->remove(); } else if (lhs) { |