KonstantinSeurer
/
mesa
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

i965: Implement nir_op_fquantize2f16

This commit is contained in:
Jason Ekstrand 2016-01-12 15:35:00 -08:00
parent 15a56459d7
commit 282a837317
2 changed files with 23 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
src/mesa/drivers/dri/i965/brw_fs_nir.cpp
View File

@ -943,6 +943,19 @@ fs_visitor::nir_emit_alu(const fs_builder &bld, nir_alu_instr *instr)
inst->saturate = instr->dest.saturate;
break;
case nir_op_fquantize2f16: {
fs_reg tmp = bld.vgrf(BRW_REGISTER_TYPE_D);
/* The destination stride must be at least as big as the source stride. */
tmp.type = BRW_REGISTER_TYPE_W;
tmp.stride = 2;
bld.emit(BRW_OPCODE_F32TO16, tmp, op[0]);
inst = bld.emit(BRW_OPCODE_F16TO32, result, tmp);
inst->saturate = instr->dest.saturate;
break;
}
case nir_op_fmin:
case nir_op_imin:
case nir_op_umin:

10
src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
View File

@ -1177,6 +1177,16 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
inst->saturate = instr->dest.saturate;
break;
case nir_op_fquantize2f16: {
/* See also vec4_visitor::emit_pack_half_2x16() */
src_reg tmp = src_reg(this, glsl_type::uvec4_type);
emit(F32TO16(dst_reg(tmp), op[0]));
inst = emit(F16TO32(dst, tmp));
inst->saturate = instr->dest.saturate;
break;
}
case nir_op_fmin:
case nir_op_imin:
case nir_op_umin: