From 94cfdf586a6a95bd06b989bba27d85f9bf99b9df Mon Sep 17 00:00:00 2001 From: Iago Toral Quiroga Date: Wed, 1 Jun 2016 09:58:00 +0200 Subject: i965/vec4: implement double unpacking Reviewed-by: Ian Romanick Reviewed-by: Matt Turner --- src/mesa/drivers/dri/i965/brw_vec4_nir.cpp | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'src') diff --git a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp index f98a1e008d6..b94df2e0ad1 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp @@ -1533,6 +1533,18 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr) break; } + case nir_op_unpack_double_2x32_split_x: + case nir_op_unpack_double_2x32_split_y: { + enum opcode oper = (instr->op == nir_op_unpack_double_2x32_split_x) ? + VEC4_OPCODE_PICK_LOW_32BIT : VEC4_OPCODE_PICK_HIGH_32BIT; + dst_reg tmp = dst_reg(this, glsl_type::dvec4_type); + emit(MOV(tmp, op[0])); + dst_reg tmp2 = dst_reg(this, glsl_type::uvec4_type); + emit(oper, tmp2, src_reg(tmp)); + emit(MOV(dst, 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 -- cgit v1.2.3