Rémi Bernon : win32u: Introduce a new internal WINE_DM_UNSUPPORTED display flag.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: bd8de2a882b2a4d84460d09fe014c64c9da271bb
URL:    https://gitlab.winehq.org/wine/wine/-/commit/bd8de2a882b2a4d84460d09fe014c64...

Author: Rémi Bernon <rbernon(a)codeweavers.com>
Date:   Fri Sep  9 11:39:13 2022 +0200

win32u: Introduce a new internal WINE_DM_UNSUPPORTED display flag.

---

 dlls/win32u/sysparams.c    |  4 ++++
 dlls/winemac.drv/display.c | 16 +++++++++-------
 include/wine/gdi_driver.h  |  2 ++
 3 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/dlls/win32u/sysparams.c b/dlls/win32u/sysparams.c
index c3f01a80321..f06be99f936 100644
--- a/dlls/win32u/sysparams.c
+++ b/dlls/win32u/sysparams.c
@@ -2136,6 +2136,8 @@ static const DEVMODEW *find_display_mode( const DEVMODEW *modes, DEVMODEW *devmo
 
     for (mode = modes; mode && mode->dmSize; mode = NEXT_DEVMODEW(mode))
     {
+        if ((mode->dmFields & DM_DISPLAYFLAGS) && (mode->dmDisplayFlags & WINE_DM_UNSUPPORTED))
+            continue;
         if ((devmode->dmFields & DM_BITSPERPEL) && devmode->dmBitsPerPel && devmode->dmBitsPerPel != mode->dmBitsPerPel)
             continue;
         if ((devmode->dmFields & DM_PELSWIDTH) && devmode->dmPelsWidth != mode->dmPelsWidth)
@@ -2527,6 +2529,8 @@ BOOL WINAPI NtUserEnumDisplaySettings( UNICODE_STRING *device, DWORD index, DEVM
     else ret = user_driver->pGetCurrentDisplaySettings( adapter->dev.device_name, devmode );
     adapter_release( adapter );
 
+    devmode->dmDisplayFlags &= ~WINE_DM_UNSUPPORTED;
+
     if (!ret) WARN( "Failed to query %s display settings.\n", debugstr_us(device) );
     else TRACE( "position %dx%d, resolution %ux%u, frequency %u, depth %u, orientation %#x.\n",
                 devmode->dmPosition.x, devmode->dmPosition.y, devmode->dmPelsWidth, devmode->dmPelsHeight,
diff --git a/dlls/winemac.drv/display.c b/dlls/winemac.drv/display.c
index 1cebcdfce2f..def291508be 100644
--- a/dlls/winemac.drv/display.c
+++ b/dlls/winemac.drv/display.c
@@ -97,6 +97,13 @@ static int display_mode_bits_per_pixel(CGDisplayModeRef display_mode)
 }
 
 
+static BOOL display_mode_is_supported(CGDisplayModeRef display_mode)
+{
+    uint32_t io_flags = CGDisplayModeGetIOFlags(display_mode);
+    return (io_flags & kDisplayModeValidFlag) && (io_flags & kDisplayModeSafeFlag);
+}
+
+
 static void display_mode_to_devmode(CGDirectDisplayID display_id, CGDisplayModeRef display_mode, DEVMODEW *devmode)
 {
     uint32_t io_flags;
@@ -124,6 +131,8 @@ static void display_mode_to_devmode(CGDirectDisplayID display_id, CGDisplayModeR
     devmode->dmDisplayFlags = 0;
     if (io_flags & kDisplayModeInterlacedFlag)
         devmode->dmDisplayFlags |= DM_INTERLACED;
+    if (!display_mode_is_supported(display_mode))
+        devmode->dmDisplayFlags |= WINE_DM_UNSUPPORTED;
     devmode->dmFields |= DM_DISPLAYFLAGS;
 
     devmode->dmDisplayFrequency = CGDisplayModeGetRefreshRate(display_mode);
@@ -417,13 +426,6 @@ static int get_default_bpp(void)
 }
 
 
-static BOOL display_mode_is_supported(CGDisplayModeRef display_mode)
-{
-    uint32_t io_flags = CGDisplayModeGetIOFlags(display_mode);
-    return (io_flags & kDisplayModeValidFlag) && (io_flags & kDisplayModeSafeFlag);
-}
-
-
 #if defined(MAC_OS_X_VERSION_10_8) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_8
 static CFDictionaryRef create_mode_dict(CGDisplayModeRef display_mode, BOOL is_original)
 {
diff --git a/include/wine/gdi_driver.h b/include/wine/gdi_driver.h
index e1d8998d812..9863a4a36ea 100644
--- a/include/wine/gdi_driver.h
+++ b/include/wine/gdi_driver.h
@@ -269,6 +269,8 @@ struct gdi_device_manager
     void (*add_mode)( const DEVMODEW *mode, void *param );
 };
 
+#define WINE_DM_UNSUPPORTED 0x80000000
+
 struct tagUPDATELAYEREDWINDOWINFO;
 
 struct user_driver_funcs