fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-01-07 19:30:12 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

i965/nir/vec4: Implement atomic counter intrinsics (read, inc and dec)

Browse source 
The implementation is based on its fs_nir counterpart.

Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
This commit is contained in:
Alejandro Piñeiro 2015-06-16 22:03:17 +02:00 • committed by Jason Ekstrand
parent e6cafb5dfd
commit 98d07022f5
1 changed files with 25 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

27
src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
View file

@ -551,9 +551,32 @@ vec4_visitor::nir_emit_intrinsic(nir_intrinsic_instr *instr)
case nir_intrinsic_atomic_counter_read:
case nir_intrinsic_atomic_counter_inc:
case nir_intrinsic_atomic_counter_dec:
/* @TODO: Not yet implemented */
case nir_intrinsic_atomic_counter_dec: {
unsigned surf_index = prog_data->base.binding_table.abo_start +
(unsigned) instr->const_index[0];
src_reg offset = get_nir_src(instr->src[0], nir_type_int,
instr->num_components);
dest = get_nir_dest(instr->dest);
switch (instr->intrinsic) {
case nir_intrinsic_atomic_counter_inc:
emit_untyped_atomic(BRW_AOP_INC, surf_index, dest, offset,
src_reg(), src_reg());
break;
case nir_intrinsic_atomic_counter_dec:
emit_untyped_atomic(BRW_AOP_PREDEC, surf_index, dest, offset,
src_reg(), src_reg());
break;
case nir_intrinsic_atomic_counter_read:
emit_untyped_surface_read(surf_index, dest, offset);
break;
default:
unreachable("Unreachable");
}
brw_mark_surface_used(stage_prog_data, surf_index);
break;
}
case nir_intrinsic_load_ubo_indirect:
/* fallthrough */