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fix(windows): improve graphic performance via using high resolution tick count and timer delay implementation (#5711)

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This commit is contained in:
Kenji Mouri (Qi Lu) 2024-02-22 15:02:14 +08:00 committed by GitHub
parent 049c343690
commit 467d5bd77f
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GPG Key ID: B5690EEEBB952194
2 changed files with 33 additions and 3 deletions
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2
docs/integration/driver/windows.rst
View File

@ -102,7 +102,7 @@ Usage
while (1)
{
uint32_t time_till_next = lv_timer_handler();
Sleep(time_till_next);
lv_delay_ms(time_till_next);
}
return 0;

34
src/drivers/windows/lv_windows_context.c
View File

@ -1,4 +1,4 @@
/**
/**
* @file lv_windows_context.c
*
*/
@ -26,6 +26,8 @@
static uint32_t lv_windows_tick_count_callback(void);
static void lv_windows_delay_callback(uint32_t ms);
static void lv_windows_check_display_existence_timer_callback(
lv_timer_t * timer);
@ -72,6 +74,8 @@ void lv_windows_platform_init(void)
{
lv_tick_set_cb(lv_windows_tick_count_callback);
lv_delay_set_cb(lv_windows_delay_callback);
lv_timer_create(
lv_windows_check_display_existence_timer_callback,
200,
@ -118,7 +122,33 @@ lv_windows_window_context_t * lv_windows_get_window_context(
static uint32_t lv_windows_tick_count_callback(void)
{
return GetTickCount();
LARGE_INTEGER Frequency;
if(QueryPerformanceFrequency(&Frequency)) {
LARGE_INTEGER PerformanceCount;
if(QueryPerformanceCounter(&PerformanceCount)) {
return (uint32_t)(PerformanceCount.QuadPart * 1000 / Frequency.QuadPart);
}
}
return (uint32_t)GetTickCount64();
}
static void lv_windows_delay_callback(uint32_t ms)
{
HANDLE timer_handle = CreateWaitableTimerExW(
NULL,
NULL,
CREATE_WAITABLE_TIMER_MANUAL_RESET |
CREATE_WAITABLE_TIMER_HIGH_RESOLUTION,
TIMER_ALL_ACCESS);
if(timer_handle) {
LARGE_INTEGER due_time;
due_time.QuadPart = -((int64_t)ms) * 1000 * 10;
SetWaitableTimer(timer_handle, &due_time, 0, NULL, NULL, FALSE);
WaitForSingleObject(timer_handle, INFINITE);
CloseHandle(timer_handle);
}
}
static void lv_windows_check_display_existence_timer_callback(