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-rw-r--r--src/mesa/drivers/dri/i965/brw_fs_nir.cpp25
1 files changed, 22 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
index 5d78272e82a..36ee294f42a 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
@@ -1324,9 +1324,28 @@ fs_visitor::nir_emit_intrinsic(nir_intrinsic_instr *instr)
case nir_intrinsic_atomic_counter_inc:
case nir_intrinsic_atomic_counter_dec:
- case nir_intrinsic_atomic_counter_read:
- assert(!"TODO");
-
+ case nir_intrinsic_atomic_counter_read: {
+ unsigned surf_index = prog_data->binding_table.abo_start +
+ (unsigned) instr->const_index[0];
+ fs_reg offset = fs_reg(get_nir_src(instr->src[0]));
+
+ switch (instr->intrinsic) {
+ case nir_intrinsic_atomic_counter_inc:
+ emit_untyped_atomic(BRW_AOP_INC, surf_index, dest, offset,
+ fs_reg(), fs_reg());
+ break;
+ case nir_intrinsic_atomic_counter_dec:
+ emit_untyped_atomic(BRW_AOP_PREDEC, surf_index, dest, offset,
+ fs_reg(), fs_reg());
+ break;
+ case nir_intrinsic_atomic_counter_read:
+ emit_untyped_surface_read(surf_index, dest, offset);
+ break;
+ default:
+ unreachable("Unreachable");
+ }
+ break;
+ }
case nir_intrinsic_load_front_face:
assert(!"TODO");