diff options
| author | Matt Turner <[email protected]> | 2016-01-25 10:49:15 -0800 |
|---|---|---|
| committer | Matt Turner <[email protected]> | 2016-01-25 14:24:07 -0800 |
| commit | 5deba3f00a9614e9ab60a40c737e87dc9f5a5a43 (patch) | |
| tree | 60be0cd3d83321b32f3084d989df41221e6d7ebf /src/mesa | |
| parent | 8bb22dc3518b86ed2e0194c127f0438a0c073018 (diff) | |
i965/vec4: Implement nir_op_pack_uvec2_to_uint.
And mark nir_op_pack_uvec4_to_uint unreachable, since it's only produced
by lowering pack[SU]norm4x8 which the vec4 backend does not need.
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vec4_nir.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp index 1b87e3044c2..d3ac7ab61f7 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp @@ -1325,6 +1325,24 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr) case nir_op_pack_unorm_2x16: unreachable("not reached: should be handled by lower_packing_builtins"); + case nir_op_pack_uvec4_to_uint: + unreachable("not reached"); + + case nir_op_pack_uvec2_to_uint: { + dst_reg tmp1 = dst_reg(this, glsl_type::uint_type); + tmp1.writemask = WRITEMASK_X; + op[0].swizzle = BRW_SWIZZLE_YYYY; + emit(SHL(tmp1, op[0], src_reg(brw_imm_ud(16u)))); + + dst_reg tmp2 = dst_reg(this, glsl_type::uint_type); + tmp2.writemask = WRITEMASK_X; + op[0].swizzle = BRW_SWIZZLE_XXXX; + emit(AND(tmp2, op[0], src_reg(brw_imm_ud(0xffffu)))); + + emit(OR(dst, src_reg(tmp1), src_reg(tmp2))); + break; + } + case nir_op_unpack_half_2x16: /* As NIR does not guarantee that we have a correct swizzle outside the * boundaries of a vector, and the implementation of emit_unpack_half_2x16 |