st/mesa: add atomic AoA support

reuse the sampler deref handling code to do the same
thing for atomics.

Acked-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2016-02-05 12:00:38 +10:00
committed by Dave Airlie
parent 90bbe3d781
commit b74e8c89a6

View File

@@ -3160,19 +3160,17 @@ glsl_to_tgsi_visitor::visit_atomic_counter_intrinsic(ir_call *ir)
/* Calculate the surface offset */
st_src_reg offset;
ir_dereference_array *deref_array = deref->as_dereference_array();
unsigned array_size = 0, base = 0, index = 0;
if (deref_array) {
offset = get_temp(glsl_type::uint_type);
deref_array->array_index->accept(this);
get_deref_offsets(deref, &array_size, &base, &index, &offset);
if (offset.file != PROGRAM_UNDEFINED) {
emit_asm(ir, TGSI_OPCODE_MUL, st_dst_reg(offset),
this->result, st_src_reg_for_int(ATOMIC_COUNTER_SIZE));
offset, st_src_reg_for_int(ATOMIC_COUNTER_SIZE));
emit_asm(ir, TGSI_OPCODE_ADD, st_dst_reg(offset),
offset, st_src_reg_for_int(location->data.offset));
offset, st_src_reg_for_int(location->data.offset + index * ATOMIC_COUNTER_SIZE));
} else {
offset = st_src_reg_for_int(location->data.offset);
offset = st_src_reg_for_int(location->data.offset + index * ATOMIC_COUNTER_SIZE);
}
ir->return_deref->accept(this);