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Better fractional refresh rates handling

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This commit is contained in:
Yukino Song
2025-02-25 23:33:44 +08:00
parent 6f35d52cdd
commit e109bd1fbd
1 changed files with 58 additions and 4 deletions
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62
src/platform/windows/virtual_display.cpp
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@@ -26,7 +26,7 @@ LONG getDeviceSettings(const wchar_t* deviceName, DEVMODEW& devMode) {
return EnumDisplaySettingsW(deviceName, ENUM_CURRENT_SETTINGS, &devMode);
}
LONG changeDisplaySettings(const wchar_t* deviceName, int width, int height, int refresh_rate) {
LONG changeDisplaySettings2(const wchar_t* deviceName, int width, int height, int refresh_rate) {
UINT32 pathCount = 0;
UINT32 modeCount = 0;
if (GetDisplayConfigBufferSizes(QDC_ONLY_ACTIVE_PATHS, &pathCount, &modeCount)) {
@@ -67,7 +67,7 @@ LONG changeDisplaySettings(const wchar_t* deviceName, int width, int height, int
) {
auto* sourceMode = &modeArray[j].sourceMode;
wprintf(L"[SUDOVDA] Current mode found: %dx%dx%d\n", sourceMode->width, sourceMode->height, targetInfo->refreshRate);
wprintf(L"[SUDOVDA] Current mode found: [%dx%dx%d]\n", sourceMode->width, sourceMode->height, targetInfo->refreshRate);
sourceMode->width = width;
sourceMode->height = height;
@@ -75,7 +75,15 @@ LONG changeDisplaySettings(const wchar_t* deviceName, int width, int height, int
targetInfo->refreshRate = {(UINT32)refresh_rate, 1000};
// Apply the changes
LONG status = SetDisplayConfig(pathCount, pathArray.data(), modeCount, modeArray.data(), SDC_APPLY | SDC_USE_SUPPLIED_DISPLAY_CONFIG | SDC_SAVE_TO_DATABASE | SDC_ALLOW_CHANGES);
LONG status = SetDisplayConfig(
pathCount,
pathArray.data(),
modeCount,
modeArray.data(),
SDC_APPLY
| SDC_USE_SUPPLIED_DISPLAY_CONFIG
| SDC_SAVE_TO_DATABASE
);
if (status != ERROR_SUCCESS) {
wprintf(L"[SUDOVDA] Failed to apply display settings.\n");
} else {
@@ -86,7 +94,7 @@ LONG changeDisplaySettings(const wchar_t* deviceName, int width, int height, int
}
}
wprintf(L"[SUDOVDA] Mode %dx%dx%d not found for display: %ls\n", width, height, refresh_rate, deviceName);
wprintf(L"[SUDOVDA] Mode [%dx%dx%d] not found for display: %ls\n", width, height, refresh_rate, deviceName);
return ERROR_INVALID_PARAMETER;
}
}
@@ -95,6 +103,52 @@ LONG changeDisplaySettings(const wchar_t* deviceName, int width, int height, int
return ERROR_DEVICE_NOT_CONNECTED;
}
LONG changeDisplaySettings(const wchar_t* deviceName, int width, int height, int refresh_rate) {
DEVMODEW devMode = {0};
devMode.dmSize = sizeof(devMode);
// Old method to set at least baseline refresh rate
if (EnumDisplaySettingsW(deviceName, ENUM_CURRENT_SETTINGS, &devMode)) {
DWORD targetRefreshRate = refresh_rate / 1000;
DWORD altRefreshRate = targetRefreshRate;
if (refresh_rate % 1000) {
if (refresh_rate % 1000 >= 900) {
targetRefreshRate += 1;
} else {
altRefreshRate += 1;
}
} else {
altRefreshRate -= 1;
}
wprintf(L"[SUDOVDA] Applying baseline display mode [%dx%dx%d] for %ls.\n", width, height, targetRefreshRate, deviceName);
devMode.dmPelsWidth = width;
devMode.dmPelsHeight = height;
devMode.dmDisplayFrequency = targetRefreshRate;
devMode.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY;
auto res = ChangeDisplaySettingsExW(deviceName, &devMode, NULL, CDS_UPDATEREGISTRY, NULL);
if (res != ERROR_SUCCESS) {
wprintf(L"[SUDOVDA] Failed to apply baseline display mode, trying alt mode: [%dx%dx%d].\n", width, height, altRefreshRate);
devMode.dmDisplayFrequency = altRefreshRate;
res = ChangeDisplaySettingsExW(deviceName, &devMode, NULL, CDS_UPDATEREGISTRY, NULL);
if (res != ERROR_SUCCESS) {
wprintf(L"[SUDOVDA] Failed to apply alt baseline display mode.\n");
}
}
if (res == ERROR_SUCCESS) {
wprintf(L"[SUDOVDA] Baseline display mode applied successfully.");
}
}
// Use new method to set refresh rate if fine tuned
return changeDisplaySettings2(deviceName, width, height, refresh_rate);
}
std::wstring getPrimaryDisplay() {
DISPLAY_DEVICEW displayDevice;