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Use system timer/wait functions for frame delay when screen reader is active.

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This commit is contained in:
Pāvels Nadtočajevs 2025-04-12 16:21:01 +03:00
parent 1b37dacc18
commit 98f377d9d0
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GPG key ID: 8413210218EF35D2
9 changed files with 70 additions and 13 deletions
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20
core/os/os.cpp
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@ -658,7 +658,25 @@ void OS::close_midi_inputs() {
}
}
void OS::add_frame_delay(bool p_can_draw) {
uint64_t OS::get_frame_delay(bool p_can_draw) const {
const uint32_t frame_delay = Engine::get_singleton()->get_frame_delay();
// Add a dynamic frame delay to decrease CPU/GPU usage. This takes the
// previous frame time into account for a smoother result.
uint64_t dynamic_delay = 0;
if (is_in_low_processor_usage_mode() || !p_can_draw) {
dynamic_delay = get_low_processor_usage_mode_sleep_usec();
}
const int max_fps = Engine::get_singleton()->get_max_fps();
if (max_fps > 0 && !Engine::get_singleton()->is_editor_hint()) {
// Override the low processor usage mode sleep delay if the target FPS is lower.
dynamic_delay = MAX(dynamic_delay, (uint64_t)(1000000 / max_fps));
}
return frame_delay + dynamic_delay;
}
void OS::add_frame_delay(bool p_can_draw, bool p_wake_for_events) {
const uint32_t frame_delay = Engine::get_singleton()->get_frame_delay();
if (frame_delay) {
// Add fixed frame delay to decrease CPU/GPU usage. This doesn't take

3
core/os/os.h
View file

@ -247,7 +247,8 @@ public:
virtual double get_unix_time() const;
virtual void delay_usec(uint32_t p_usec) const = 0;
virtual void add_frame_delay(bool p_can_draw);
virtual void add_frame_delay(bool p_can_draw, bool p_wake_for_events);
virtual uint64_t get_frame_delay(bool p_can_draw) const;
virtual uint64_t get_ticks_usec() const = 0;
uint64_t get_ticks_msec() const;