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-rw-r--r--src/mesa/state_tracker/st_glsl_to_tgsi.cpp14
1 files changed, 6 insertions, 8 deletions
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index ea59d78e154..ce93aec4e71 100644
--- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -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);