diff options
| author | Axel Davy <[email protected]> | 2014-12-23 15:15:10 +0100 |
|---|---|---|
| committer | Axel Davy <[email protected]> | 2015-04-29 08:28:10 +0200 |
| commit | 8d3e063e6851ca6c33c8bac1d8e9b9b344d27294 (patch) | |
| tree | 22c29a877f30209911f710c9b87bab1eb46e223d /src | |
| parent | 114ac39a888509b133f15ddae813fcf64adc72a7 (diff) | |
st/nine: Handle special LIT case
Reviewed-by: Ilia Mirkin <[email protected]>
Signed-off-by: Axel Davy <[email protected]>
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/state_trackers/nine/nine_shader.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/src/gallium/state_trackers/nine/nine_shader.c b/src/gallium/state_trackers/nine/nine_shader.c index 2ba625ebf71..0fd3d37e585 100644 --- a/src/gallium/state_trackers/nine/nine_shader.c +++ b/src/gallium/state_trackers/nine/nine_shader.c @@ -2040,6 +2040,23 @@ DECL_SPECIAL(LOG) return D3D_OK; } +DECL_SPECIAL(LIT) +{ + struct ureg_program *ureg = tx->ureg; + struct ureg_dst tmp = tx_scratch(tx); + struct ureg_dst dst = tx_dst_param(tx, &tx->insn.dst[0]); + struct ureg_src src = tx_src_param(tx, &tx->insn.src[0]); + ureg_LIT(ureg, tmp, src); + /* d3d9 LIT is the same than gallium LIT. One difference is that d3d9 + * states that dst.z is 0 when src.y <= 0. Gallium definition can assign + * it 0^0 if src.w=0, which value is driver dependent. */ + ureg_CMP(ureg, ureg_writemask(dst, TGSI_WRITEMASK_Z), + ureg_negate(ureg_scalar(src, TGSI_SWIZZLE_Y)), + ureg_src(tmp), ureg_imm1f(ureg, 0.0f)); + ureg_MOV(ureg, ureg_writemask(dst, TGSI_WRITEMASK_XYW), ureg_src(tmp)); + return D3D_OK; +} + DECL_SPECIAL(NRM) { struct ureg_program *ureg = tx->ureg; @@ -2543,7 +2560,7 @@ struct sm1_op_info inst_table[] = _OPI(SGE, SGE, V(0,0), V(3,0), V(0,0), V(3,0), 1, 2, NULL), /* 13 */ _OPI(EXP, EX2, V(0,0), V(3,0), V(0,0), V(3,0), 1, 1, NULL), /* 14 */ _OPI(LOG, LG2, V(0,0), V(3,0), V(0,0), V(3,0), 1, 1, SPECIAL(LOG)), /* 15 */ - _OPI(LIT, LIT, V(0,0), V(3,0), V(0,0), V(0,0), 1, 1, NULL), /* 16 */ + _OPI(LIT, LIT, V(0,0), V(3,0), V(0,0), V(0,0), 1, 1, SPECIAL(LIT)), /* 16 */ _OPI(DST, DST, V(0,0), V(3,0), V(0,0), V(3,0), 1, 2, NULL), /* 17 */ _OPI(LRP, LRP, V(0,0), V(3,0), V(0,0), V(3,0), 1, 3, NULL), /* 18 */ _OPI(FRC, FRC, V(0,0), V(3,0), V(0,0), V(3,0), 1, 1, NULL), /* 19 */ |