i965: Implement nir_op_fquantize2f16
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@ -943,6 +943,19 @@ fs_visitor::nir_emit_alu(const fs_builder &bld, nir_alu_instr *instr)
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inst->saturate = instr->dest.saturate;
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break;
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case nir_op_fquantize2f16: {
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fs_reg tmp = bld.vgrf(BRW_REGISTER_TYPE_D);
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/* The destination stride must be at least as big as the source stride. */
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tmp.type = BRW_REGISTER_TYPE_W;
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tmp.stride = 2;
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bld.emit(BRW_OPCODE_F32TO16, tmp, op[0]);
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inst = bld.emit(BRW_OPCODE_F16TO32, result, tmp);
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inst->saturate = instr->dest.saturate;
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break;
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}
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case nir_op_fmin:
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case nir_op_imin:
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case nir_op_umin:
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@ -1177,6 +1177,16 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
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inst->saturate = instr->dest.saturate;
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break;
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case nir_op_fquantize2f16: {
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/* See also vec4_visitor::emit_pack_half_2x16() */
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src_reg tmp = src_reg(this, glsl_type::uvec4_type);
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emit(F32TO16(dst_reg(tmp), op[0]));
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inst = emit(F16TO32(dst, tmp));
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inst->saturate = instr->dest.saturate;
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break;
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}
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case nir_op_fmin:
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case nir_op_imin:
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case nir_op_umin:
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