diff options
| author | Axel Davy <[email protected]> | 2014-12-03 15:28:42 +0100 |
|---|---|---|
| committer | Emil Velikov <[email protected]> | 2015-01-22 22:16:20 +0000 |
| commit | 2487f7357449ee520a59f6d81506d297aca752f2 (patch) | |
| tree | eed44da57057c619f4b6f0b420d13789f644dc43 /src/gallium/state_trackers/nine/nine_shader.c | |
| parent | c12f8c208882a7e9aac0c488c08ee1771ead5a0d (diff) | |
st/nine: Handle RSQ special cases
We should use the absolute value of the input as input to ureg_RSQ.
Moreover, an input of 0.0 should return FLT_MAX.
Reviewed-by: David Heidelberg <[email protected]>
Signed-off-by: Axel Davy <[email protected]>
Cc: "10.4" <[email protected]>
Diffstat (limited to 'src/gallium/state_trackers/nine/nine_shader.c')
| -rw-r--r-- | src/gallium/state_trackers/nine/nine_shader.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/gallium/state_trackers/nine/nine_shader.c b/src/gallium/state_trackers/nine/nine_shader.c index 09846dcd98b..1f113789d1d 100644 --- a/src/gallium/state_trackers/nine/nine_shader.c +++ b/src/gallium/state_trackers/nine/nine_shader.c @@ -1947,6 +1947,17 @@ DECL_SPECIAL(POW) return D3D_OK; } +DECL_SPECIAL(RSQ) +{ + struct ureg_program *ureg = tx->ureg; + struct ureg_dst dst = tx_dst_param(tx, &tx->insn.dst[0]); + struct ureg_src src = tx_src_param(tx, &tx->insn.src[0]); + struct ureg_dst tmp = tx_scratch(tx); + ureg_RSQ(ureg, tmp, ureg_abs(src)); + ureg_MIN(ureg, dst, ureg_imm1f(ureg, FLT_MAX), ureg_src(tmp)); + return D3D_OK; +} + DECL_SPECIAL(NRM) { struct ureg_program *ureg = tx->ureg; @@ -2260,7 +2271,7 @@ struct sm1_op_info inst_table[] = _OPI(MAD, MAD, V(0,0), V(3,0), V(0,0), V(3,0), 1, 3, NULL), /* 4 */ _OPI(MUL, MUL, V(0,0), V(3,0), V(0,0), V(3,0), 1, 2, NULL), /* 5 */ _OPI(RCP, RCP, V(0,0), V(3,0), V(0,0), V(3,0), 1, 1, NULL), /* 6 */ - _OPI(RSQ, RSQ, V(0,0), V(3,0), V(0,0), V(3,0), 1, 1, NULL), /* 7 */ + _OPI(RSQ, RSQ, V(0,0), V(3,0), V(0,0), V(3,0), 1, 1, SPECIAL(RSQ)), /* 7 */ _OPI(DP3, DP3, V(0,0), V(3,0), V(0,0), V(3,0), 1, 2, NULL), /* 8 */ _OPI(DP4, DP4, V(0,0), V(3,0), V(0,0), V(3,0), 1, 2, NULL), /* 9 */ _OPI(MIN, MIN, V(0,0), V(3,0), V(0,0), V(3,0), 1, 2, NULL), /* 10 */ |