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nvk/nak: handle sm100 lod mode encoding.

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The lod mode encoding has changed on blackwell.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35773>
This commit is contained in:
Dave Airlie 2025-06-19 16:55:19 +10:00 • committed by Marge Bot
parent cfc0be2454
commit 5c99599060
1 changed files with 42 additions and 31 deletions
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73
src/nouveau/compiler/nak/sm70_encode.rs
View file

@ -2317,36 +2317,39 @@ impl SM70Encoder<'_> {
fn set_tex_lod_mode(&mut self, range: Range<usize>, lod_mode: TexLodMode) {
assert!(range.len() == 3);
if self.sm >= 100 {
self.set_field(
range,
match lod_mode {
TexLodMode::Auto => 0_u8,
TexLodMode::Bias => 1_u8,
TexLodMode::Clamp => 2_u8,
// ulb => 0x3
// ulc => 0x4
// lb.ulc => 0x5
TexLodMode::BiasClamp => todo!(),
assert!(self.sm <= 100);
TexLodMode::Zero => 0_u8,
TexLodMode::Lod => 1_u8,
// ull => 3
},
);
} else {
self.set_field(
range,
match lod_mode {
TexLodMode::Auto => 0_u8,
TexLodMode::Zero => 1_u8,
TexLodMode::Bias => 2_u8,
TexLodMode::Lod => 3_u8,
TexLodMode::Clamp => 4_u8,
TexLodMode::BiasClamp => 5_u8,
},
);
}
self.set_field(
range,
match lod_mode {
TexLodMode::Auto => 0_u8,
TexLodMode::Zero => 1_u8,
TexLodMode::Bias => 2_u8,
TexLodMode::Lod => 3_u8,
TexLodMode::Clamp => 4_u8,
TexLodMode::BiasClamp => 5_u8,
},
);
}
fn set_tex_lod_mode2(
&mut self,
range1: Range<usize>,
range2: Range<usize>,
lod_mode: TexLodMode,
) {
self.set_field2(
range1,
range2,
match lod_mode {
TexLodMode::Auto => 0_u8,
TexLodMode::Zero => 1_u8,
TexLodMode::Bias => 2_u8,
TexLodMode::Lod => 3_u8,
TexLodMode::Clamp => 4_u8,
TexLodMode::BiasClamp => 5_u8,
},
);
}
fn set_image_dim(&mut self, range: Range<usize>, dim: ImageDim) {
@ -2451,7 +2454,11 @@ impl SM70Op for OpTex {
e.set_bit(77, false); // ToDo: NDV
e.set_bit(78, self.z_cmpr);
e.set_eviction_priority(&self.mem_eviction_priority);
e.set_tex_lod_mode(87..90, self.lod_mode);
if e.sm >= 100 {
e.set_tex_lod_mode2(59..60, 87..90, self.lod_mode);
} else {
e.set_tex_lod_mode(87..90, self.lod_mode);
}
e.set_bit(90, self.nodep);
}
}
@ -2506,7 +2513,11 @@ impl SM70Op for OpTld {
// bits 79..81: .F16
e.set_eviction_priority(&self.mem_eviction_priority);
assert!(self.lod_mode.is_explicit_lod());
e.set_tex_lod_mode(87..90, self.lod_mode);
if e.sm >= 100 {
e.set_tex_lod_mode2(59..60, 87..90, self.lod_mode);
} else {
e.set_tex_lod_mode(87..90, self.lod_mode);
}
e.set_bit(90, self.nodep);
}
}