diff options
| author | Axel Davy <[email protected]> | 2019-02-22 20:41:00 +0100 |
|---|---|---|
| committer | Axel Davy <[email protected]> | 2019-04-30 19:18:49 +0200 |
| commit | 394420ebb3eec6d8956588ee13380d5059e14bea (patch) | |
| tree | c447e494563a458ca8b3119a056a7030f752bc35 /src/gallium | |
| parent | 64a45ba7f83095a8a44a7b1104f31bab68b259fe (diff) | |
st/nine: Use FLT_MAX/2 for RCP clamping
This seems to fix Rayman (which adds things
to the RCP result, and thus gets an Inf),
while not having regressions.
Signed-off-by: Axel Davy <[email protected]>
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/state_trackers/nine/nine_shader.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/gallium/state_trackers/nine/nine_shader.c b/src/gallium/state_trackers/nine/nine_shader.c index 145647bc3f8..49e7c9407bb 100644 --- a/src/gallium/state_trackers/nine/nine_shader.c +++ b/src/gallium/state_trackers/nine/nine_shader.c @@ -2333,8 +2333,9 @@ DECL_SPECIAL(RCP) struct ureg_dst tmp = tx->mul_zero_wins ? dst : tx_scratch(tx); ureg_RCP(ureg, tmp, src); if (!tx->mul_zero_wins) { - ureg_MIN(ureg, tmp, ureg_imm1f(ureg, FLT_MAX), ureg_src(tmp)); - ureg_MAX(ureg, dst, ureg_imm1f(ureg, -FLT_MAX), ureg_src(tmp)); + /* FLT_MAX has issues with Rayman */ + ureg_MIN(ureg, tmp, ureg_imm1f(ureg, FLT_MAX/2.f), ureg_src(tmp)); + ureg_MAX(ureg, dst, ureg_imm1f(ureg, -FLT_MAX/2.f), ureg_src(tmp)); } return D3D_OK; } |