diff options
| author | 2019-11-16 22:06:13 +0100 | |
|---|---|---|
| committer | 2019-11-16 16:06:13 -0500 | |
| commit | eab5bcac0029e4e298e1f194133c21580098508d (patch) | |
| tree | 6f7f3fd423089b85f15b09956ce7912f180bed0b /src/osd/sdl/video.cpp | |
| parent | 7fc2f6805118f1e25c5e0b2a971f31e4f1b3b251 (diff) | |
Remove up to one frame of input latency. (#5901)
* Remove up to one frame of input latency. Makes MAME virtually lagless on VRR monitors.
* Use empty parentheses and clean interface member calls
* Add new option -instant_blit to make this feature optional
* Rename new option to -lowlatency, -ll
Diffstat (limited to 'src/osd/sdl/video.cpp')
| -rw-r--r-- | src/osd/sdl/video.cpp | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/src/osd/sdl/video.cpp b/src/osd/sdl/video.cpp index 88bc1b51ce4..b8ea713d202 100644 --- a/src/osd/sdl/video.cpp +++ b/src/osd/sdl/video.cpp @@ -109,16 +109,24 @@ void sdl_osd_interface::update(bool skip_redraw) // profiler_mark(PROFILER_END); } - // poll the joystick values here - downcast<sdl_osd_interface&>(machine().osd()).poll_inputs(machine()); - - check_osd_inputs(machine()); // if we're running, disable some parts of the debugger if ((machine().debug_flags & DEBUG_FLAG_OSD_ENABLED) != 0) debugger_update(); } //============================================================ +// input_update +//============================================================ + +void sdl_osd_interface::input_update() +{ + // poll the joystick values here + process_events_buf(); + poll_inputs(machine()); + check_osd_inputs(machine()); +} + +//============================================================ // check_osd_inputs //============================================================ |
