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user32: Cache monitor information. 

Multiple applications call EnumDisplayMonitors very frequently.
Reduce most of the overhead by caching.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=47431
Signed-off-by: Zhiyi Zhang <zzhang@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zhiyi Zhang 2019-07-01 20:13:38 +08:00 committed by Alexandre Julliard
parent d4115033ef
commit 95be042be3
1 changed files with 116 additions and 65 deletions
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181
dlls/user32/sysparams.c
View File

@ -305,6 +305,19 @@ static const WCHAR MONITOR_INTERFACE_PREFIX[] = {'\\','\\','\?','\\',0};
static const WCHAR GUID_DEVINTERFACE_MONITOR[] = {'#','{','e','6','f','0','7','b','5','f','-','e','e','9','7','-',
'4','a','9','0','-','b','0','7','6','-','3','3','f','5','7','b','f','4','e','a','a','7','}',0};
/* Cached monitor information */
static MONITORINFOEXW *monitors;
static UINT monitor_count;
static FILETIME last_query_monitors_time;
static CRITICAL_SECTION monitors_section;
static CRITICAL_SECTION_DEBUG monitors_critsect_debug =
{
0, 0, &monitors_section,
{ &monitors_critsect_debug.ProcessLocksList, &monitors_critsect_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": monitors_section") }
};
static CRITICAL_SECTION monitors_section = { &monitors_critsect_debug, -1 , 0, 0, 0, 0 };
static HDC display_dc;
static CRITICAL_SECTION display_dc_section;
static CRITICAL_SECTION_DEBUG critsect_debug =
@ -328,6 +341,7 @@ static DPI_AWARENESS dpi_awareness;
static DPI_AWARENESS default_awareness = DPI_AWARENESS_UNAWARE;
static HKEY volatile_base_key;
static HKEY video_key;
union sysparam_all_entry;
@ -3723,15 +3737,85 @@ HMONITOR WINAPI MonitorFromWindow(HWND hWnd, DWORD dwFlags)
return MonitorFromRect( &rect, dwFlags );
}
BOOL CDECL nulldrv_GetMonitorInfo( HMONITOR handle, MONITORINFO *info )
/* Return FALSE on failure and TRUE on success */
static BOOL update_monitor_cache(void)
{
SP_DEVINFO_DATA device_data = {sizeof(device_data)};
WCHAR adapter_name[CCHDEVICENAME];
HDEVINFO devinfo;
DWORD error = 0;
HANDLE mutex;
HDEVINFO devinfo = INVALID_HANDLE_VALUE;
MONITORINFOEXW *monitor_array;
FILETIME filetime = {0};
DWORD device_count = 0;
HANDLE mutex = NULL;
DWORD state_flags;
BOOL ret = FALSE;
DWORD i = 0;
DWORD type;
BOOL ret;
/* Update monitor cache from SetupAPI if it's outdated */
if (!video_key && RegOpenKeyW( HKEY_LOCAL_MACHINE, VIDEO_KEY, &video_key ))
return FALSE;
if (RegQueryInfoKeyW( video_key, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, &filetime ))
return FALSE;
if (CompareFileTime( &filetime, &last_query_monitors_time ) < 1)
return TRUE;
mutex = get_display_device_init_mutex();
EnterCriticalSection( &monitors_section );
devinfo = SetupDiGetClassDevsW( &GUID_DEVCLASS_MONITOR, DISPLAY, NULL, DIGCF_PRESENT );
while (SetupDiEnumDeviceInfo( devinfo, i++, &device_data ))
{
/* Inactive monitors don't get enumerated */
if (!SetupDiGetDevicePropertyW( devinfo, &device_data, &WINE_DEVPROPKEY_MONITOR_STATEFLAGS, &type,
(BYTE *)&state_flags, sizeof(DWORD), NULL, 0 ))
goto fail;
if (state_flags & DISPLAY_DEVICE_ACTIVE)
device_count++;
}
if (device_count && monitor_count < device_count)
{
monitor_array = heap_alloc( device_count * sizeof(*monitor_array) );
if (!monitor_array)
goto fail;
heap_free( monitors );
monitors = monitor_array;
}
for (i = 0, monitor_count = 0; SetupDiEnumDeviceInfo( devinfo, i, &device_data ); i++)
{
if (!SetupDiGetDevicePropertyW( devinfo, &device_data, &WINE_DEVPROPKEY_MONITOR_STATEFLAGS, &type,
(BYTE *)&state_flags, sizeof(DWORD), NULL, 0 ))
goto fail;
if (!(state_flags & DISPLAY_DEVICE_ACTIVE))
continue;
if (!SetupDiGetDevicePropertyW( devinfo, &device_data, &WINE_DEVPROPKEY_MONITOR_RCMONITOR, &type,
(BYTE *)&monitors[monitor_count].rcMonitor, sizeof(RECT), NULL, 0 ))
goto fail;
if (!SetupDiGetDevicePropertyW( devinfo, &device_data, &WINE_DEVPROPKEY_MONITOR_RCWORK, &type,
(BYTE *)&monitors[monitor_count].rcWork, sizeof(RECT), NULL, 0 ))
goto fail;
if (!SetupDiGetDevicePropertyW( devinfo, &device_data, &WINE_DEVPROPKEY_MONITOR_ADAPTERNAME, &type,
(BYTE *)monitors[monitor_count].szDevice, CCHDEVICENAME * sizeof(WCHAR), NULL, 0))
goto fail;
monitors[monitor_count].dwFlags =
!lstrcmpW( DEFAULT_ADAPTER_NAME, monitors[monitor_count].szDevice ) ? MONITORINFOF_PRIMARY : 0;
monitor_count++;
}
last_query_monitors_time = filetime;
ret = TRUE;
fail:
SetupDiDestroyDeviceInfoList( devinfo );
LeaveCriticalSection( &monitors_section );
release_display_device_init_mutex( mutex );
return ret;
}
BOOL CDECL nulldrv_GetMonitorInfo( HMONITOR handle, MONITORINFO *info )
{
UINT index = (UINT_PTR)handle - 1;
TRACE("(%p, %p)\n", handle, info);
@ -3747,32 +3831,26 @@ BOOL CDECL nulldrv_GetMonitorInfo( HMONITOR handle, MONITORINFO *info )
return TRUE;
}
/* Use SetupAPI to get monitors */
mutex = get_display_device_init_mutex();
devinfo = SetupDiGetClassDevsW( &GUID_DEVCLASS_MONITOR, DISPLAY, NULL, DIGCF_PRESENT );
if (SetupDiEnumDeviceInfo(devinfo, (DWORD)(UINT_PTR)handle - 1, &device_data))
if (!update_monitor_cache())
return FALSE;
EnterCriticalSection( &monitors_section );
if (index < monitor_count)
{
SetupDiGetDevicePropertyW( devinfo, &device_data, &WINE_DEVPROPKEY_MONITOR_RCMONITOR, &type,
(BYTE *)&info->rcMonitor, sizeof(info->rcMonitor), NULL, 0 );
SetupDiGetDevicePropertyW( devinfo, &device_data, &WINE_DEVPROPKEY_MONITOR_RCWORK, &type,
(BYTE *)&info->rcWork, sizeof(info->rcWork), NULL, 0 );
SetupDiGetDevicePropertyW( devinfo, &device_data, &WINE_DEVPROPKEY_MONITOR_ADAPTERNAME, &type,
(BYTE *)adapter_name, sizeof(adapter_name), NULL, 0 );
info->dwFlags = !lstrcmpW( DEFAULT_ADAPTER_NAME, adapter_name ) ? MONITORINFOF_PRIMARY : 0;
info->rcMonitor = monitors[index].rcMonitor;
info->rcWork = monitors[index].rcWork;
info->dwFlags = monitors[index].dwFlags;
if (info->cbSize >= sizeof(MONITORINFOEXW))
lstrcpyW( ((MONITORINFOEXW *)info)->szDevice, adapter_name );
ret = TRUE;
lstrcpyW( ((MONITORINFOEXW *)info)->szDevice, monitors[index].szDevice );
LeaveCriticalSection( &monitors_section );
return TRUE;
}
else
{
error = ERROR_INVALID_MONITOR_HANDLE;
ret = FALSE;
}
SetupDiDestroyDeviceInfoList( devinfo );
release_display_device_init_mutex( mutex );
if (error)
LeaveCriticalSection( &monitors_section );
SetLastError( ERROR_INVALID_MONITOR_HANDLE );
return ret;
return FALSE;
}
}
/***********************************************************************
@ -3875,56 +3953,29 @@ static BOOL CALLBACK enum_mon_callback( HMONITOR monitor, HDC hdc, LPRECT rect,
BOOL CDECL nulldrv_EnumDisplayMonitors( HDC hdc, RECT *rect, MONITORENUMPROC proc, LPARAM lp )
{
SP_DEVINFO_DATA device_data = {sizeof(device_data)};
USEROBJECTFLAGS flags;
HWINSTA winstation;
BOOL success = FALSE;
HDEVINFO devinfo;
RECT monitor_rect;
DWORD state_flags;
HANDLE mutex;
DWORD type;
DWORD i = 0;
RECT default_rect = {0, 0, 640, 480};
DWORD i;
TRACE("(%p, %p, %p, 0x%lx)\n", hdc, rect, proc, lp);
/* Use SetupAPI to get monitors only if window station has visible display surfaces */
winstation = GetProcessWindowStation();
if (GetUserObjectInformationA( winstation, UOI_FLAGS, &flags, sizeof(flags), NULL ) && (flags.dwFlags & WSF_VISIBLE))
if (update_monitor_cache())
{
mutex = get_display_device_init_mutex();
devinfo = SetupDiGetClassDevsW( &GUID_DEVCLASS_MONITOR, DISPLAY, NULL, DIGCF_PRESENT );
while (SetupDiEnumDeviceInfo( devinfo, i++, &device_data ))
EnterCriticalSection( &monitors_section );
for (i = 0; i < monitor_count; i++)
{
/* Inactive monitors don't get enumerated */
if (!SetupDiGetDevicePropertyW( devinfo, &device_data, &WINE_DEVPROPKEY_MONITOR_STATEFLAGS, &type,
(BYTE *)&state_flags, sizeof(state_flags), NULL, 0 )
|| !(state_flags & DISPLAY_DEVICE_ACTIVE))
continue;
if (SetupDiGetDevicePropertyW( devinfo, &device_data, &WINE_DEVPROPKEY_MONITOR_RCMONITOR, &type,
(BYTE *)&monitor_rect, sizeof(monitor_rect), NULL, 0 ))
if (!proc( (HMONITOR)(UINT_PTR)(i + 1), hdc, &monitors[i].rcMonitor, lp ))
{
if (!proc( (HMONITOR)(UINT_PTR)i, hdc, &monitor_rect, lp ))
{
SetupDiDestroyDeviceInfoList( devinfo );
release_display_device_init_mutex( mutex );
return FALSE;
}
success = TRUE;
LeaveCriticalSection( &monitors_section );
return FALSE;
}
}
SetupDiDestroyDeviceInfoList( devinfo );
release_display_device_init_mutex( mutex );
LeaveCriticalSection( &monitors_section );
return TRUE;
}
/* Fallback to report one monitor if using SetupAPI failed */
if (!success)
{
RECT default_rect = {0, 0, 640, 480};
if (!proc( NULLDRV_DEFAULT_HMONITOR, hdc, &default_rect, lp ))
return FALSE;
}
if (!proc( NULLDRV_DEFAULT_HMONITOR, hdc, &default_rect, lp ))
return FALSE;
return TRUE;
}