From 8ec83dc51e407fa0987d636752497509278c0dbb Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Tue, 18 Sep 2018 14:09:25 -0700 Subject: v3d: Add support for hardware pack/unpack of half floats. Cuts the formerly 7-minute simulation time of fs-packHalf2x16.shader_test in half. --- src/broadcom/compiler/nir_to_vir.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'src/broadcom') diff --git a/src/broadcom/compiler/nir_to_vir.c b/src/broadcom/compiler/nir_to_vir.c index 158c1c3e9f3..714d76f58ba 100644 --- a/src/broadcom/compiler/nir_to_vir.c +++ b/src/broadcom/compiler/nir_to_vir.c @@ -845,6 +845,20 @@ ntq_emit_alu(struct v3d_compile *c, nir_alu_instr *instr) vir_uniform_ui(c, 0))); break; + case nir_op_pack_half_2x16_split: + result = vir_VFPACK(c, src[0], src[1]); + break; + + case nir_op_unpack_half_2x16_split_x: + result = vir_FMOV(c, src[0]); + vir_set_unpack(c->defs[result.index], 0, V3D_QPU_UNPACK_L); + break; + + case nir_op_unpack_half_2x16_split_y: + result = vir_FMOV(c, src[0]); + vir_set_unpack(c->defs[result.index], 0, V3D_QPU_UNPACK_H); + break; + default: fprintf(stderr, "unknown NIR ALU inst: "); nir_print_instr(&instr->instr, stderr); @@ -1917,6 +1931,8 @@ const nir_shader_compiler_options v3d_nir_options = { .lower_pack_snorm_4x8 = true, .lower_unpack_unorm_4x8 = true, .lower_unpack_snorm_4x8 = true, + .lower_pack_half_2x16 = true, + .lower_unpack_half_2x16 = true, .lower_fdiv = true, .lower_find_lsb = true, .lower_ffma = true, -- cgit v1.2.3