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i965/fs_nir: Add atomic counters support

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Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
This commit is contained in:
Jason Ekstrand
2014-10-15 21:52:58 -07:00
parent 6e46c98ec1
commit 744b4e9348
1 changed files with 21 additions and 2 deletions
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src/mesa/drivers/dri/i965/brw_fs_nir.cpp
+21 -2
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@@ -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");