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Adds vertical sync as something that can be run_until.

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This commit is contained in:
Thomas Harte 2020-01-22 22:20:56 -05:00
parent 3c6a00dc3c
commit beefb70f75
1 changed files with 11 additions and 2 deletions
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13
Machines/CRTMachine.hpp
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@ -80,7 +80,10 @@ class Machine {
enum MachineEvent: int {
/// At least one new packet of audio has been delivered to the spaker's delegate.
NewSpeakerSamplesGenerated = 1 << 0
NewSpeakerSamplesGenerated = 1 << 0,
/// The next vertical retrace has begun.
VerticalSync = 1 << 1,
};
/*!
@ -100,10 +103,16 @@ class Machine {
sample_sets = speaker->completed_sample_sets();
}
int retraces = 0;
if(events & MachineEvent::VerticalSync) {
retraces = get_scan_status().hsync_count;
}
// Run until all requested events are satisfied.
return run_until(minimum_duration, [=]() {
return
(!(events & MachineEvent::NewSpeakerSamplesGenerated) || (sample_sets != speaker->completed_sample_sets()));
(!(events & MachineEvent::NewSpeakerSamplesGenerated) || (sample_sets != speaker->completed_sample_sets())) &&
(!(events & MachineEvent::VerticalSync) || (retraces != get_scan_status().hsync_count));
});
}