diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_defines.h | 4 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_eu_emit.c | 50 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vs_emit.c | 12 |
3 files changed, 43 insertions, 23 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_defines.h b/src/mesa/drivers/dri/i965/brw_defines.h index 9ed49e0dc32..2bb3448da7c 100644 --- a/src/mesa/drivers/dri/i965/brw_defines.h +++ b/src/mesa/drivers/dri/i965/brw_defines.h @@ -530,6 +530,7 @@ #define BRW_OPCODE_POP 47 #define BRW_OPCODE_WAIT 48 #define BRW_OPCODE_SEND 49 +#define BRW_OPCODE_MATH 56 #define BRW_OPCODE_ADD 64 #define BRW_OPCODE_MUL 65 #define BRW_OPCODE_AVG 66 @@ -727,7 +728,8 @@ #define BRW_MATH_FUNCTION_SIN 6 /* was 7 */ #define BRW_MATH_FUNCTION_COS 7 /* was 8 */ #define BRW_MATH_FUNCTION_SINCOS 8 /* was 6 */ -#define BRW_MATH_FUNCTION_TAN 9 +#define BRW_MATH_FUNCTION_TAN 9 /* gen4 */ +#define BRW_MATH_FUNCTION_FDIV 9 /* gen6+ */ #define BRW_MATH_FUNCTION_POW 10 #define BRW_MATH_FUNCTION_INT_DIV_QUOTIENT_AND_REMAINDER 11 #define BRW_MATH_FUNCTION_INT_DIV_QUOTIENT 12 diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c index b832c7165d2..2d55299ddb6 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); + } } /** diff --git a/src/mesa/drivers/dri/i965/brw_vs_emit.c b/src/mesa/drivers/dri/i965/brw_vs_emit.c index 88327d9927d..b6e5f945eb7 100644 --- a/src/mesa/drivers/dri/i965/brw_vs_emit.c +++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c @@ -479,9 +479,11 @@ static void emit_math1( struct brw_vs_compile *c, * whether that turns out to be a simulator bug or not: */ struct brw_compile *p = &c->func; + struct intel_context *intel = &p->brw->intel; struct brw_reg tmp = dst; - GLboolean need_tmp = (dst.dw1.bits.writemask != 0xf || - dst.file != BRW_GENERAL_REGISTER_FILE); + GLboolean need_tmp = (intel->gen < 6 && + (dst.dw1.bits.writemask != 0xf || + dst.file != BRW_GENERAL_REGISTER_FILE)); if (need_tmp) tmp = get_tmp(c); @@ -510,9 +512,11 @@ static void emit_math2( struct brw_vs_compile *c, GLuint precision) { struct brw_compile *p = &c->func; + struct intel_context *intel = &p->brw->intel; struct brw_reg tmp = dst; - GLboolean need_tmp = (dst.dw1.bits.writemask != 0xf || - dst.file != BRW_GENERAL_REGISTER_FILE); + GLboolean need_tmp = (intel->gen < 6 && + (dst.dw1.bits.writemask != 0xf || + dst.file != BRW_GENERAL_REGISTER_FILE)); if (need_tmp) tmp = get_tmp(c); |