From: Jordan Justen Date: Sat, 10 Oct 2015 20:00:04 +0000 (-0700) Subject: i965/nir/fs: Implement new barrier functions for compute shaders X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=faa119307035787f5e421dd6a9eb4d0101de963b;p=mesa.git i965/nir/fs: Implement new barrier functions for compute shaders For these nir intrinsics, we emit the same code as nir_intrinsic_memory_barrier: * nir_intrinsic_memory_barrier_atomic_counter * nir_intrinsic_memory_barrier_buffer * nir_intrinsic_memory_barrier_image We treat these nir intrinsics as no-ops: * nir_intrinsic_group_memory_barrier * nir_intrinsic_memory_barrier_shared v3: * Add comment for no-op cases (curro) v4: * Moving comment to a separate patch authored by curro Signed-off-by: Jordan Justen Reviewed-by: Francisco Jerez --- diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp index 261518605b7..5d2dd18552a 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp @@ -1697,6 +1697,9 @@ fs_visitor::nir_emit_intrinsic(const fs_builder &bld, nir_intrinsic_instr *instr break; } + case nir_intrinsic_memory_barrier_atomic_counter: + case nir_intrinsic_memory_barrier_buffer: + case nir_intrinsic_memory_barrier_image: case nir_intrinsic_memory_barrier: { const fs_reg tmp = bld.vgrf(BRW_REGISTER_TYPE_UD, 16 / dispatch_width); bld.emit(SHADER_OPCODE_MEMORY_FENCE, tmp) @@ -1704,6 +1707,10 @@ fs_visitor::nir_emit_intrinsic(const fs_builder &bld, nir_intrinsic_instr *instr break; } + case nir_intrinsic_group_memory_barrier: + case nir_intrinsic_memory_barrier_shared: + break; + case nir_intrinsic_shader_clock: { /* We cannot do anything if there is an event, so ignore it for now */ fs_reg shader_clock = get_timestamp(bld);