diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vs_emit.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vs_emit.c b/src/mesa/drivers/dri/i965/brw_vs_emit.c index 71e2a95bfd9..27301629684 100644 --- a/src/mesa/drivers/dri/i965/brw_vs_emit.c +++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c @@ -193,6 +193,7 @@ static void unalias1( struct brw_vs_compile *c, struct brw_reg tmp = brw_writemask(get_tmp(c), dst.dw1.bits.writemask); func(c, tmp, arg0); brw_MOV(p, dst, tmp); + release_tmp(c, tmp); } else { func(c, dst, arg0); @@ -214,12 +215,38 @@ static void unalias2( struct brw_vs_compile *c, struct brw_reg tmp = brw_writemask(get_tmp(c), dst.dw1.bits.writemask); func(c, tmp, arg0, arg1); brw_MOV(p, dst, tmp); + release_tmp(c, tmp); } else { func(c, dst, arg0, arg1); } } +static void unalias3( struct brw_vs_compile *c, + struct brw_reg dst, + struct brw_reg arg0, + struct brw_reg arg1, + struct brw_reg arg2, + void (*func)( struct brw_vs_compile *, + struct brw_reg, + struct brw_reg, + struct brw_reg, + struct brw_reg )) +{ + if ((dst.file == arg0.file && dst.nr == arg0.nr) || + (dst.file == arg1.file && dst.nr == arg1.nr) || + (dst.file == arg2.file && dst.nr == arg2.nr)) { + struct brw_compile *p = &c->func; + struct brw_reg tmp = brw_writemask(get_tmp(c), dst.dw1.bits.writemask); + func(c, tmp, arg0, arg1, arg2); + brw_MOV(p, dst, tmp); + release_tmp(c, tmp); + } + else { + func(c, dst, arg0, arg1, arg2); + } +} + static void emit_sop( struct brw_compile *p, struct brw_reg dst, struct brw_reg arg0, @@ -590,6 +617,18 @@ static void emit_lit_noalias( struct brw_vs_compile *c, brw_ENDIF(p, if_insn); } +static void emit_lrp_noalias(struct brw_vs_compile *c, + struct brw_reg dst, + struct brw_reg arg0, + struct brw_reg arg1, + struct brw_reg arg2) +{ + struct brw_compile *p = &c->func; + + brw_ADD(p, dst, negate(arg0), brw_imm_f(1.0)); + brw_MUL(p, brw_null_reg(), dst, arg2); + brw_MAC(p, dst, arg0, arg1); +} /** 3 or 4-component vector normalization */ static void emit_nrm( struct brw_vs_compile *c, @@ -1077,6 +1116,9 @@ void brw_vs_emit(struct brw_vs_compile *c ) case OPCODE_LIT: unalias1(c, dst, args[0], emit_lit_noalias); break; + case OPCODE_LRP: + unalias3(c, dst, args[0], args[1], args[2], emit_lrp_noalias); + break; case OPCODE_MAD: brw_MOV(p, brw_acc_reg(), args[2]); brw_MAC(p, dst, args[0], args[1]); |