diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_eu_emit.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_eu_emit.c | 50 |
1 files changed, 32 insertions, 18 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c index b832c7165d..2d55299ddb 100644 --- a/src/mesa/drivers/dri/i965/brw_eu_emit.c +++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c @@ -917,26 +917,40 @@ void brw_math( struct brw_compile *p, GLuint data_type, GLuint precision ) { - struct brw_instruction *insn = next_insn(p, BRW_OPCODE_SEND); - GLuint msg_length = (function == BRW_MATH_FUNCTION_POW) ? 2 : 1; - GLuint response_length = (function == BRW_MATH_FUNCTION_SINCOS) ? 2 : 1; + struct intel_context *intel = &p->brw->intel; - /* Example code doesn't set predicate_control for send - * instructions. - */ - insn->header.predicate_control = 0; - insn->header.destreg__conditionalmod = msg_reg_nr; + if (intel->gen >= 6) { + struct brw_instruction *insn = next_insn(p, BRW_OPCODE_MATH); - brw_set_dest(insn, dest); - brw_set_src0(insn, src); - brw_set_math_message(p->brw, - insn, - msg_length, response_length, - function, - BRW_MATH_INTEGER_UNSIGNED, - precision, - saturate, - data_type); + /* Math is the same ISA format as other opcodes, except that CondModifier + * becomes FC[3:0] and ThreadCtrl becomes FC[5:4]. + */ + insn->header.destreg__conditionalmod = function; + + brw_set_dest(insn, dest); + brw_set_src0(insn, src); + brw_set_src1(insn, brw_null_reg()); + } else { + struct brw_instruction *insn = next_insn(p, BRW_OPCODE_SEND); + GLuint msg_length = (function == BRW_MATH_FUNCTION_POW) ? 2 : 1; + GLuint response_length = (function == BRW_MATH_FUNCTION_SINCOS) ? 2 : 1; + /* Example code doesn't set predicate_control for send + * instructions. + */ + insn->header.predicate_control = 0; + insn->header.destreg__conditionalmod = msg_reg_nr; + + brw_set_dest(insn, dest); + brw_set_src0(insn, src); + brw_set_math_message(p->brw, + insn, + msg_length, response_length, + function, + BRW_MATH_INTEGER_UNSIGNED, + precision, + saturate, + data_type); + } } /** |