diff options
Diffstat (limited to 'src/gallium')
-rw-r--r-- | src/gallium/auxiliary/draw/draw_vs_aos.c | 85 |
1 files changed, 4 insertions, 81 deletions
diff --git a/src/gallium/auxiliary/draw/draw_vs_aos.c b/src/gallium/auxiliary/draw/draw_vs_aos.c index aebc230858..34dc09ead7 100644 --- a/src/gallium/auxiliary/draw/draw_vs_aos.c +++ b/src/gallium/auxiliary/draw/draw_vs_aos.c @@ -1066,85 +1066,6 @@ static boolean emit_EX2( struct aos_compilation *cp, const struct tgsi_full_inst return TRUE; } -static boolean emit_EXP( struct aos_compilation *cp, const struct tgsi_full_instruction *op ) -{ - struct x86_reg dst = get_dst_ptr(cp, &op->FullDstRegisters[0]); - struct x86_reg st0 = x86_make_reg(file_x87, 0); - struct x86_reg st1 = x86_make_reg(file_x87, 1); - struct x86_reg st3 = x86_make_reg(file_x87, 3); - unsigned writemask = op->FullDstRegisters[0].DstRegister.WriteMask; - - /* CAUTION: dst may alias arg0! - */ - x87_fld_src(cp, &op->FullSrcRegisters[0], 0); /* arg0.x */ - x87_fld(cp->func, st0); /* arg arg */ - - /* by default, fpu is setup to round-to-nearest. We want to - * change this now, and track the state through to the end of the - * generated function so that it isn't repeated unnecessarily. - * Alternately, could subtract .5 to get round to -inf behaviour. - */ - set_fpu_round_neg_inf( cp ); - x87_fprndint( cp->func ); /* flr(a) a */ - x87_fld(cp->func, st0); /* flr(a) flr(a) a */ - x87_fld1(cp->func); /* 1 floor(a) floor(a) a */ - x87_fst_or_nop(cp->func, writemask, 3, dst); /* stack unchanged */ - - x87_fscale(cp->func); /* 2^floor(a) floor(a) a */ - x87_fst(cp->func, st3); /* 2^floor(a) floor(a) a 2^floor(a)*/ - - x87_fstp_or_pop(cp->func, writemask, 0, dst); /* flr(a) a 2^flr(a) */ - - x87_fsubp(cp->func, st1); /* frac(a) 2^flr(a) */ - - x87_fst_or_nop(cp->func, writemask, 1, dst); /* frac(a) 2^flr(a) */ - - x87_f2xm1(cp->func); /* (2^frac(a))-1 2^flr(a)*/ - x87_fld1(cp->func); /* 1 (2^frac(a))-1 2^flr(a)*/ - x87_faddp(cp->func, st1); /* 2^frac(a) 2^flr(a) */ - x87_fmulp(cp->func, st1); /* 2^a */ - - x87_fstp_or_pop(cp->func, writemask, 2, dst); - -/* dst[0] = 2^floor(tmp); */ -/* dst[1] = frac(tmp); */ -/* dst[2] = 2^floor(tmp) * 2^frac(tmp); */ -/* dst[3] = 1.0F; */ - return TRUE; -} - -static boolean emit_LOG( struct aos_compilation *cp, const struct tgsi_full_instruction *op ) -{ - struct x86_reg dst = get_dst_ptr(cp, &op->FullDstRegisters[0]); - struct x86_reg st0 = x86_make_reg(file_x87, 0); - struct x86_reg st1 = x86_make_reg(file_x87, 1); - struct x86_reg st2 = x86_make_reg(file_x87, 2); - unsigned writemask = op->FullDstRegisters[0].DstRegister.WriteMask; - - /* CAUTION: dst may alias arg0! - */ - x87_fld_src(cp, &op->FullSrcRegisters[0], 0); /* arg0.x */ - x87_fabs(cp->func); /* |arg0.x| */ - x87_fxtract(cp->func); /* mantissa(arg0.x), exponent(arg0.x) */ - x87_fst(cp->func, st2); /* mantissa, exponent, mantissa */ - x87_fld1(cp->func); /* 1, mantissa, exponent, mantissa */ - x87_fyl2x(cp->func); /* log2(mantissa), exponent, mantissa */ - x87_fadd(cp->func, st0, st1); /* e+l2(m), e, m */ - - x87_fstp_or_pop(cp->func, writemask, 2, dst); /* e, m */ - - x87_fld1(cp->func); /* 1, e, m */ - x87_fsub(cp->func, st1, st0); /* 1, e-1, m */ - - x87_fstp_or_pop(cp->func, writemask, 3, dst); /* e-1,m */ - x87_fstp_or_pop(cp->func, writemask, 0, dst); /* m */ - - x87_fadd(cp->func, st0, st0); /* 2m */ - - x87_fstp_or_pop( cp->func, writemask, 1, dst ); - - return TRUE; -} static boolean emit_FLR( struct aos_compilation *cp, const struct tgsi_full_instruction *op ) { @@ -1755,10 +1676,12 @@ emit_instruction( struct aos_compilation *cp, return emit_RSQ(cp, inst); case TGSI_OPCODE_EXP: - return emit_EXP(cp, inst); + /*return emit_EXP(cp, inst);*/ + return FALSE; case TGSI_OPCODE_LOG: - return emit_LOG(cp, inst); + /*return emit_LOG(cp, inst);*/ + return FALSE; case TGSI_OPCODE_MUL: return emit_MUL(cp, inst); |