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i965/nir/vec4: Implement more math operations

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Adds NIR ALU operations:
   * nir_op_frcp
   * nir_op_fexp2
   * nir_op_flog2
   * nir_op_fexp
   * nir_op_flog
   * nir_op_fsin
   * nir_op_fcos
   * nir_op_idiv
   * nir_op_udiv
   * nir_op_umod
   * nir_op_ldexp
   * nir_op_fsqrt
   * nir_op_frsq
   * nir_op_fpow

Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
This commit is contained in:
Antia Puentes
2015-06-17 00:10:18 +02:00
committed by Jason Ekstrand
parent 068a41b349
commit 62cef7b072
1 changed files with 52 additions and 0 deletions
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src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
+52
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@@ -744,6 +744,58 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
break;
}
case nir_op_frcp:
inst = emit_math(SHADER_OPCODE_RCP, dst, op[0]);
inst->saturate = instr->dest.saturate;
break;
case nir_op_fexp2:
inst = emit_math(SHADER_OPCODE_EXP2, dst, op[0]);
inst->saturate = instr->dest.saturate;
break;
case nir_op_flog2:
inst = emit_math(SHADER_OPCODE_LOG2, dst, op[0]);
inst->saturate = instr->dest.saturate;
break;
case nir_op_fsin:
inst = emit_math(SHADER_OPCODE_SIN, dst, op[0]);
inst->saturate = instr->dest.saturate;
break;
case nir_op_fcos:
inst = emit_math(SHADER_OPCODE_COS, dst, op[0]);
inst->saturate = instr->dest.saturate;
break;
case nir_op_idiv:
case nir_op_udiv:
emit_math(SHADER_OPCODE_INT_QUOTIENT, dst, op[0], op[1]);
break;
case nir_op_umod:
emit_math(SHADER_OPCODE_INT_REMAINDER, dst, op[0], op[1]);
break;
case nir_op_ldexp:
unreachable("not reached: should be handled by ldexp_to_arith()");
case nir_op_fsqrt:
inst = emit_math(SHADER_OPCODE_SQRT, dst, op[0]);
inst->saturate = instr->dest.saturate;
break;
case nir_op_frsq:
inst = emit_math(SHADER_OPCODE_RSQ, dst, op[0]);
inst->saturate = instr->dest.saturate;
break;
case nir_op_fpow:
inst = emit_math(SHADER_OPCODE_POW, dst, op[0], op[1]);
inst->saturate = instr->dest.saturate;
break;
default:
unreachable("Unimplemented ALU operation");
}