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| author | Ivan Molodetskikh <yalterz@gmail.com> | 2024-03-01 07:49:10 +0400 |
|---|---|---|
| committer | Ivan Molodetskikh <yalterz@gmail.com> | 2024-03-01 07:54:58 +0400 |
| commit | 92d9c7ff4fda3b8e10d92e86e5803b0b40886766 (patch) | |
| tree | de6821277a2c6be830f2e6267f8ff84cbf79d472 | |
| parent | 28977d1d3fd7883a7f757a1ba4e636bdacf9d0be (diff) | |
| download | niri-92d9c7ff4fda3b8e10d92e86e5803b0b40886766.tar.gz niri-92d9c7ff4fda3b8e10d92e86e5803b0b40886766.tar.bz2 niri-92d9c7ff4fda3b8e10d92e86e5803b0b40886766.zip | |
Add emulate-zero-presentation-time debug flag
| -rw-r--r-- | niri-config/src/lib.rs | 2 | ||||
| -rw-r--r-- | resources/default-config.kdl | 5 | ||||
| -rw-r--r-- | src/backend/tty.rs | 5 |
3 files changed, 12 insertions, 0 deletions
diff --git a/niri-config/src/lib.rs b/niri-config/src/lib.rs index 59a4813c..c2a4dfbe 100644 --- a/niri-config/src/lib.rs +++ b/niri-config/src/lib.rs @@ -810,6 +810,8 @@ pub struct DebugConfig { pub disable_cursor_plane: bool, #[knuffel(child, unwrap(argument))] pub render_drm_device: Option<PathBuf>, + #[knuffel(child)] + pub emulate_zero_presentation_time: bool, } impl Config { diff --git a/resources/default-config.kdl b/resources/default-config.kdl index 35a04ca7..616cd48f 100644 --- a/resources/default-config.kdl +++ b/resources/default-config.kdl @@ -557,4 +557,9 @@ debug { // Enable the color-transformations capability of the Smithay renderer. // May cause a slight decrease in rendering performance. // enable-color-transformations-capability + + // Emulate zero (unknown) presentation time returned from DRM. + // This is a thing on NVIDIA proprietary drivers, so this flag can be + // used to test that we don't break too hard on those systems. + // emulate-zero-presentation-time } diff --git a/src/backend/tty.rs b/src/backend/tty.rs index 1f0cdb16..c60dc4a0 100644 --- a/src/backend/tty.rs +++ b/src/backend/tty.rs @@ -902,6 +902,11 @@ impl Tty { Duration::ZERO } }; + let presentation_time = if niri.config.borrow().debug.emulate_zero_presentation_time { + Duration::ZERO + } else { + presentation_time + }; let message = if presentation_time.is_zero() { format!("vblank on {name}, presentation time unknown") |