winemac: Add support for a high-resolution ("Retina") rendering mode.

dlls/winemac.drv/cocoa_app.m

@@ -1590,6 +1590,7 @@ static NSString* WineLocalizedString(unsigned int stringID)
             {
                 if (clippingCursor)
                     [self clipCursorLocation:&point];
+                point = cgpoint_win_from_mac(point);
 
                 event = macdrv_create_event(MOUSE_MOVED_ABSOLUTE, targetWindow);
                 event->mouse_moved.x = floor(point.x);
@@ -1600,18 +1601,20 @@ static NSString* WineLocalizedString(unsigned int stringID)
             }
             else
             {
+                double scale = retina_on ? 2 : 1;
+
                 /* Add event delta to accumulated delta error */
                 /* deltaY is already flipped */
                 mouseMoveDeltaX += [anEvent deltaX];
                 mouseMoveDeltaY += [anEvent deltaY];
 
                 event = macdrv_create_event(MOUSE_MOVED, targetWindow);
-                event->mouse_moved.x = mouseMoveDeltaX;
-                event->mouse_moved.y = mouseMoveDeltaY;
+                event->mouse_moved.x = mouseMoveDeltaX * scale;
+                event->mouse_moved.y = mouseMoveDeltaY * scale;
 
                 /* Keep the remainder after integer truncation. */
-                mouseMoveDeltaX -= event->mouse_moved.x;
-                mouseMoveDeltaY -= event->mouse_moved.y;
+                mouseMoveDeltaX -= event->mouse_moved.x / scale;
+                mouseMoveDeltaY -= event->mouse_moved.y / scale;
             }
 
             if (event->type == MOUSE_MOVED_ABSOLUTE || event->mouse_moved.x || event->mouse_moved.y)
@@ -1730,6 +1733,8 @@ static NSString* WineLocalizedString(unsigned int stringID)
             {
                 macdrv_event* event;
 
+                pt = cgpoint_win_from_mac(pt);
+
                 event = macdrv_create_event(MOUSE_BUTTON, window);
                 event->mouse_button.button = [theEvent buttonNumber];
                 event->mouse_button.pressed = pressed;
@@ -1811,6 +1816,8 @@ static NSString* WineLocalizedString(unsigned int stringID)
                 double x, y;
                 BOOL continuous = FALSE;
 
+                pt = cgpoint_win_from_mac(pt);
+
                 event = macdrv_create_event(MOUSE_SCROLL, window);
                 event->mouse_scroll.x = floor(pt.x);
                 event->mouse_scroll.y = floor(pt.y);
@@ -2146,6 +2153,26 @@ static NSString* WineLocalizedString(unsigned int stringID)
         }
     }
 
+    - (void) setRetinaMode:(int)mode
+    {
+        retina_on = mode;
+
+        if (clippingCursor)
+        {
+            double scale = mode ? 0.5 : 2.0;
+            cursorClipRect.origin.x *= scale;
+            cursorClipRect.origin.y *= scale;
+            cursorClipRect.size.width *= scale;
+            cursorClipRect.size.height *= scale;
+        }
+
+        for (WineWindow* window in [NSApp windows])
+        {
+            if ([window isKindOfClass:[WineWindow class]])
+                [window setRetinaMode:mode];
+        }
+    }
+
 
     /*
      * ---------- NSApplicationDelegate methods ----------
@@ -2496,7 +2523,7 @@ int macdrv_get_cursor_position(CGPoint *pos)
     OnMainThread(^{
         NSPoint location = [NSEvent mouseLocation];
         location = [[WineApplicationController sharedController] flippedMouseLocation:location];
-        *pos = NSPointToCGPoint(location);
+        *pos = cgpoint_win_from_mac(NSPointToCGPoint(location));
     });
 
     return TRUE;
@@ -2513,7 +2540,7 @@ int macdrv_set_cursor_position(CGPoint pos)
     __block int ret;
 
     OnMainThread(^{
-        ret = [[WineApplicationController sharedController] setCursorPosition:pos];
+        ret = [[WineApplicationController sharedController] setCursorPosition:cgpoint_mac_from_win(pos)];
     });
 
     return ret;
@@ -2526,13 +2553,17 @@ int macdrv_set_cursor_position(CGPoint pos)
  * to or larger than the whole desktop region, the cursor is unclipped.
  * Returns zero on failure, non-zero on success.
  */
-int macdrv_clip_cursor(CGRect rect)
+int macdrv_clip_cursor(CGRect r)
 {
     __block int ret;
 
     OnMainThread(^{
         WineApplicationController* controller = [WineApplicationController sharedController];
         BOOL clipping = FALSE;
+        CGRect rect = r;
+
+        if (!CGRectIsInfinite(rect))
+            rect = cgrect_mac_from_win(rect);
 
         if (!CGRectIsInfinite(rect))
         {
@@ -2676,3 +2707,10 @@ int macdrv_select_input_source(TISInputSourceRef input_source)
 
     return ret;
 }
+
+void macdrv_set_cocoa_retina_mode(int new_mode)
+{
+    OnMainThread(^{
+        [[WineApplicationController sharedController] setRetinaMode:new_mode];
+    });
+}

dlls/winemac.drv/cocoa_display.m

@@ -78,6 +78,8 @@ int macdrv_get_displays(struct macdrv_display** displays, int* count)
                 convert_display_rect(&disps[i].frame, frame, primary_frame);
                 convert_display_rect(&disps[i].work_frame, visible_frame,
                                      primary_frame);
+                disps[i].frame = cgrect_win_from_mac(disps[i].frame);
+                disps[i].work_frame = cgrect_win_from_mac(disps[i].work_frame);
             }
 
             *displays = disps;

dlls/winemac.drv/cocoa_event.m

@@ -323,6 +323,8 @@ static const OSType WineHotKeySignature = 'Wine';
     {
         MacDrvEvent* event;
 
+        pos = cgpoint_win_from_mac(pos);
+
         [eventsLock lock];
 
         for (event in events)

dlls/winemac.drv/cocoa_opengl.h

@@ -26,6 +26,8 @@
     NSView* latentView;
     BOOL needsUpdate;
     BOOL shouldClearToBlack;
+
+    GLint backing_size[2];
 }
 
 @property BOOL needsUpdate;

dlls/winemac.drv/cocoa_opengl.m

@@ -27,6 +27,10 @@
 
 @interface WineOpenGLContext ()
 @property (retain, nonatomic) NSView* latentView;
+
+    + (NSView*) dummyView;
+    - (void) wine_updateBackingSize:(const CGSize*)size;
+
 @end
 
 
@@ -40,6 +44,81 @@
         [super dealloc];
     }
 
+    + (NSView*) dummyView
+    {
+        static NSWindow* dummyWindow;
+        static dispatch_once_t once;
+
+        dispatch_once(&once, ^{
+            OnMainThread(^{
+                dummyWindow = [[NSWindow alloc] initWithContentRect:NSMakeRect(0, 0, 100, 100)
+                                                          styleMask:NSBorderlessWindowMask
+                                                            backing:NSBackingStoreBuffered
+                                                              defer:NO];
+            });
+        });
+
+        return dummyWindow.contentView;
+    }
+
+    // Normally, we take care that disconnecting a context from a view doesn't
+    // destroy that view's GL surface (see -clearDrawableLeavingSurfaceOnScreen).
+    // However, if we're using a surface backing size and that size changes, we
+    // need to destroy and recreate the surface or we get weird behavior.
+    - (void) resetSurfaceIfBackingSizeChanged
+    {
+        if (!retina_enabled)
+            return;
+
+        int view_backing[2];
+        if (macdrv_get_view_backing_size((macdrv_view)self.view, view_backing) &&
+            (view_backing[0] != backing_size[0] || view_backing[1] != backing_size[1]))
+        {
+            view_backing[0] = backing_size[0];
+            view_backing[1] = backing_size[1];
+            macdrv_set_view_backing_size((macdrv_view)self.view, view_backing);
+
+            NSView* save = self.view;
+            [super clearDrawable];
+            [super setView:save];
+            shouldClearToBlack = TRUE;
+        }
+    }
+
+    - (void) wine_updateBackingSize:(const CGSize*)size
+    {
+        GLint enabled;
+
+        if (!retina_enabled)
+            return;
+
+        if (size)
+        {
+            if (CGLIsEnabled(self.CGLContextObj, kCGLCESurfaceBackingSize, &enabled) != kCGLNoError)
+                enabled = 0;
+
+            if (!enabled || backing_size[0] != size->width || backing_size[1] != size->height)
+            {
+                backing_size[0] = size->width;
+                backing_size[1] = size->height;
+                CGLSetParameter(self.CGLContextObj, kCGLCPSurfaceBackingSize, backing_size);
+            }
+
+            if (!enabled)
+                CGLEnable(self.CGLContextObj, kCGLCESurfaceBackingSize);
+
+            [self resetSurfaceIfBackingSizeChanged];
+        }
+        else
+        {
+            backing_size[0] = 0;
+            backing_size[1] = 0;
+
+            if (CGLIsEnabled(self.CGLContextObj, kCGLCESurfaceBackingSize, &enabled) == kCGLNoError && enabled)
+               CGLDisable(self.CGLContextObj, kCGLCESurfaceBackingSize);
+        }
+    }
+
     - (void) setView:(NSView*)newView
     {
         NSView* oldView = [self view];
@@ -53,6 +132,8 @@
         NSView* oldView = [self view];
         [super clearDrawable];
         [oldView release];
+
+        [self wine_updateBackingSize:NULL];
     }
 
     /* On at least some versions of Mac OS X, -[NSOpenGLContext clearDrawable] has the
@@ -64,19 +145,7 @@
        original implementation proceed. */
     - (void) clearDrawableLeavingSurfaceOnScreen
     {
-        static NSWindow* dummyWindow;
-        static dispatch_once_t once;
-
-        dispatch_once(&once, ^{
-            OnMainThread(^{
-                dummyWindow = [[NSWindow alloc] initWithContentRect:NSMakeRect(0, 0, 100, 100)
-                                                          styleMask:NSBorderlessWindowMask
-                                                            backing:NSBackingStoreBuffered
-                                                              defer:NO];
-            });
-        });
-
-        [self setView:[dummyWindow contentView]];
+        [self setView:[[self class] dummyView]];
         [self clearDrawable];
     }
 
@@ -189,7 +258,7 @@ void macdrv_dispose_opengl_context(macdrv_opengl_context c)
 /***********************************************************************
  *              macdrv_make_context_current
  */
-void macdrv_make_context_current(macdrv_opengl_context c, macdrv_view v)
+void macdrv_make_context_current(macdrv_opengl_context c, macdrv_view v, CGRect r)
 {
     NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
     WineOpenGLContext *context = (WineOpenGLContext*)c;
@@ -198,7 +267,10 @@ void macdrv_make_context_current(macdrv_opengl_context c, macdrv_view v)
     if (context && view)
     {
         if (view == [context view] || view == [context latentView])
+        {
+            [context wine_updateBackingSize:&r.size];
             macdrv_update_opengl_context(c);
+        }
         else
         {
             [context removeFromViews:NO];
@@ -207,13 +279,18 @@ void macdrv_make_context_current(macdrv_opengl_context c, macdrv_view v)
             if (context.needsUpdate)
             {
                 context.needsUpdate = FALSE;
+                if (context.view)
+                    [context setView:[[context class] dummyView]];
+                [context wine_updateBackingSize:&r.size];
                 [context setView:view];
                 [context setLatentView:nil];
+                [context resetSurfaceIfBackingSizeChanged];
             }
             else
             {
                 if ([context view])
                     [context clearDrawableLeavingSurfaceOnScreen];
+                [context wine_updateBackingSize:&r.size];
                 [context setLatentView:view];
             }
         }
@@ -257,10 +334,14 @@ void macdrv_update_opengl_context(macdrv_opengl_context c)
             [context setView:context.latentView];
             context.latentView = nil;
 
+            [context resetSurfaceIfBackingSizeChanged];
             [context clearToBlackIfNeeded];
         }
         else
+        {
             [context update];
+            [context resetSurfaceIfBackingSizeChanged];
+        }
     }
 
     [pool release];

dlls/winemac.drv/cocoa_window.h

@@ -46,6 +46,9 @@
     CGDirectDisplayID _lastDisplayID;
     NSTimeInterval _lastDisplayTime;
 
+    NSRect wineFrame;
+    NSRect roundedWineFrame;
+
     NSBezierPath* shape;
     NSData* shapeData;
     BOOL shapeChangedSinceLastDraw;
@@ -88,6 +91,7 @@
 @property (readonly, nonatomic) BOOL floating;
 @property (readonly, getter=isFullscreen, nonatomic) BOOL fullscreen;
 @property (readonly, getter=isFakingClose, nonatomic) BOOL fakingClose;
+@property (readonly, nonatomic) NSRect wine_fractionalFrame;
 
     - (NSInteger) minimumLevelForActive:(BOOL)active;
     - (void) updateFullscreen;
@@ -99,4 +103,6 @@
 
     - (void) updateForCursorClipping;
 
+    - (void) setRetinaMode:(int)mode;
+
 @end

dlls/winemac.drv/display.c

@@ -488,7 +488,7 @@ static int get_default_bpp(void)
 
 
 #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)
+static CFDictionaryRef create_mode_dict(CGDisplayModeRef display_mode, BOOL is_original)
 {
     CFDictionaryRef ret;
     SInt32 io_flags = CGDisplayModeGetIOFlags(display_mode);
@@ -498,6 +498,12 @@ static CFDictionaryRef create_mode_dict(CGDisplayModeRef display_mode)
     CFStringRef pixel_encoding = CGDisplayModeCopyPixelEncoding(display_mode);
     CFNumberRef cf_io_flags, cf_width, cf_height, cf_refresh;
 
+    if (retina_enabled && is_original)
+    {
+        width *= 2;
+        height *= 2;
+    }
+
     io_flags &= kDisplayModeValidFlag | kDisplayModeSafeFlag | kDisplayModeInterlacedFlag |
                 kDisplayModeStretchedFlag | kDisplayModeTelevisionFlag;
     cf_io_flags = CFNumberCreate(NULL, kCFNumberSInt32Type, &io_flags);
@@ -581,7 +587,7 @@ static CFArrayRef copy_display_modes(CGDirectDisplayID display)
             BOOL better = TRUE;
             CGDisplayModeRef new_mode = (CGDisplayModeRef)CFArrayGetValueAtIndex(modes, i);
             BOOL new_is_original = display_mode_matches_descriptor(new_mode, desc);
-            CFDictionaryRef key = create_mode_dict(new_mode);
+            CFDictionaryRef key = create_mode_dict(new_mode, new_is_original);
 
             /* If a given mode is the user's default, then always list it in preference to any similar
                modes that may exist. */
@@ -667,6 +673,23 @@ static CFArrayRef copy_display_modes(CGDirectDisplayID display)
 }
 
 
+void check_retina_status(void)
+{
+    if (retina_enabled)
+    {
+        struct display_mode_descriptor* desc = create_original_display_mode_descriptor(kCGDirectMainDisplay);
+        CGDisplayModeRef mode = CGDisplayCopyDisplayMode(kCGDirectMainDisplay);
+        BOOL new_value = display_mode_matches_descriptor(mode, desc);
+
+        CGDisplayModeRelease(mode);
+        free_display_mode_descriptor(desc);
+
+        if (new_value != retina_on)
+            macdrv_set_cocoa_retina_mode(new_value);
+    }
+}
+
+
 /***********************************************************************
  *              ChangeDisplaySettingsEx  (MACDRV.@)
  *
@@ -681,9 +704,11 @@ LONG CDECL macdrv_ChangeDisplaySettingsEx(LPCWSTR devname, LPDEVMODEW devmode,
     struct macdrv_display *displays;
     int num_displays;
     CFArrayRef display_modes;
+    struct display_mode_descriptor* desc;
     CFIndex count, i, safe, best;
     CGDisplayModeRef best_display_mode;
     uint32_t best_io_flags;
+    BOOL best_is_original;
 
     TRACE("%s %p %p 0x%08x %p\n", debugstr_w(devname), devmode, hwnd, flags, lpvoid);
 
@@ -748,17 +773,26 @@ LONG CDECL macdrv_ChangeDisplaySettingsEx(LPCWSTR devname, LPDEVMODEW devmode,
         TRACE(" %sinterlaced", devmode->dmDisplayFlags & DM_INTERLACED ? "" : "non-");
     TRACE("\n");
 
+    desc = create_original_display_mode_descriptor(displays[0].displayID);
+
     safe = -1;
     best_display_mode = NULL;
     count = CFArrayGetCount(display_modes);
     for (i = 0; i < count; i++)
     {
         CGDisplayModeRef display_mode = (CGDisplayModeRef)CFArrayGetValueAtIndex(display_modes, i);
+        BOOL is_original = display_mode_matches_descriptor(display_mode, desc);
         uint32_t io_flags = CGDisplayModeGetIOFlags(display_mode);
         int mode_bpp = display_mode_bits_per_pixel(display_mode);
         size_t width = CGDisplayModeGetWidth(display_mode);
         size_t height = CGDisplayModeGetHeight(display_mode);
 
+        if (is_original && retina_enabled)
+        {
+            width *= 2;
+            height *= 2;
+        }
+
         if (!(io_flags & kDisplayModeValidFlag) || !(io_flags & kDisplayModeSafeFlag))
             continue;
 
@@ -817,6 +851,7 @@ better:
         best_display_mode = display_mode;
         best = safe;
         best_io_flags = io_flags;
+        best_is_original = is_original;
     }
 
     if (best_display_mode)
@@ -837,6 +872,12 @@ better:
             size_t width = CGDisplayModeGetWidth(best_display_mode);
             size_t height = CGDisplayModeGetHeight(best_display_mode);
 
+            if (best_is_original && retina_enabled)
+            {
+                width *= 2;
+                height *= 2;
+            }
+
             SendMessageW(GetDesktopWindow(), WM_MACDRV_UPDATE_DESKTOP_RECT, mode_bpp,
                          MAKELPARAM(width, height));
             ret = DISP_CHANGE_SUCCESSFUL;
@@ -854,6 +895,7 @@ better:
             bpp, devmode->dmDisplayFrequency);
     }
 
+    free_display_mode_descriptor(desc);
     CFRelease(display_modes);
     macdrv_free_displays(displays);
 
@@ -1082,6 +1124,16 @@ BOOL CDECL macdrv_EnumDisplaySettingsEx(LPCWSTR devname, DWORD mode,
 
     devmode->dmPelsWidth = CGDisplayModeGetWidth(display_mode);
     devmode->dmPelsHeight = CGDisplayModeGetHeight(display_mode);
+    if (retina_enabled)
+    {
+        struct display_mode_descriptor* desc = create_original_display_mode_descriptor(displays[0].displayID);
+        if (display_mode_matches_descriptor(display_mode, desc))
+        {
+            devmode->dmPelsWidth *= 2;
+            devmode->dmPelsHeight *= 2;
+        }
+        free_display_mode_descriptor(desc);
+    }
     devmode->dmFields |= DM_PELSWIDTH | DM_PELSHEIGHT;
 
     devmode->dmDisplayFlags = 0;
@@ -1329,8 +1381,18 @@ void macdrv_displays_changed(const macdrv_event *event)
         size_t width = CGDisplayModeGetWidth(mode);
         size_t height = CGDisplayModeGetHeight(mode);
         int mode_bpp = display_mode_bits_per_pixel(mode);
+        struct display_mode_descriptor* desc = create_original_display_mode_descriptor(mainDisplay);
+        BOOL is_original = display_mode_matches_descriptor(mode, desc);
 
+        free_display_mode_descriptor(desc);
         CGDisplayModeRelease(mode);
+
+        if (is_original && retina_enabled)
+        {
+            width *= 2;
+            height *= 2;
+        }
+
         SendMessageW(hwnd, WM_MACDRV_UPDATE_DESKTOP_RECT, mode_bpp,
                      MAKELPARAM(width, height));
     }

dlls/winemac.drv/gdi.c

@@ -51,6 +51,8 @@ static int desktop_vert_res;    /* height in pixels of virtual desktop */
 static int bits_per_pixel;      /* pixel depth of screen */
 static int device_data_valid;   /* do the above variables have up-to-date values? */
 
+int retina_on = FALSE;
+
 static CRITICAL_SECTION device_data_section;
 static CRITICAL_SECTION_DEBUG critsect_debug =
 {
@@ -94,6 +96,29 @@ static DWORD get_dpi(void)
 
 
 /***********************************************************************
+ *              compute_desktop_rect
+ */
+static void compute_desktop_rect(void)
+{
+    CGDirectDisplayID displayIDs[32];
+    uint32_t count, i;
+
+    desktop_rect = CGRectNull;
+    if (CGGetActiveDisplayList(sizeof(displayIDs)/sizeof(displayIDs[0]),
+                               displayIDs, &count) != kCGErrorSuccess ||
+        !count)
+    {
+        displayIDs[0] = CGMainDisplayID();
+        count = 1;
+    }
+
+    for (i = 0; i < count; i++)
+        desktop_rect = CGRectUnion(desktop_rect, CGDisplayBounds(displayIDs[i]));
+    desktop_rect = cgrect_win_from_mac(desktop_rect);
+}
+
+
+/***********************************************************************
  *              macdrv_get_desktop_rect
  *
  * Returns the rectangle encompassing all the screens.
@@ -101,27 +126,16 @@ static DWORD get_dpi(void)
 CGRect macdrv_get_desktop_rect(void)
 {
     CGRect ret;
-    CGDirectDisplayID displayIDs[32];
-    uint32_t count, i;
 
     EnterCriticalSection(&device_data_section);
 
     if (!device_data_valid)
     {
-        desktop_rect = CGRectNull;
-        if (CGGetActiveDisplayList(sizeof(displayIDs)/sizeof(displayIDs[0]),
-                                   displayIDs, &count) != kCGErrorSuccess ||
-            !count)
-        {
-            displayIDs[0] = CGMainDisplayID();
-            count = 1;
-        }
-
-        for (i = 0; i < count; i++)
-            desktop_rect = CGRectUnion(desktop_rect, CGDisplayBounds(displayIDs[i]));
+        check_retina_status();
+        compute_desktop_rect();
     }
-
     ret = desktop_rect;
+
     LeaveCriticalSection(&device_data_section);
 
     TRACE("%s\n", wine_dbgstr_cgrect(ret));
@@ -141,12 +155,23 @@ static void device_init(void)
     CGSize size_mm = CGDisplayScreenSize(mainDisplay);
     CGDisplayModeRef mode = CGDisplayCopyDisplayMode(mainDisplay);
 
+    check_retina_status();
+
     /* Initialize device caps */
     log_pixels_x = log_pixels_y = get_dpi();
     if (!log_pixels_x)
     {
         size_t width = CGDisplayPixelsWide(mainDisplay);
         size_t height = CGDisplayPixelsHigh(mainDisplay);
+
+        if (retina_on)
+        {
+            /* Although CGDisplayPixelsWide/High() claim to report in pixels, they
+               actually report in points. */
+            width *= 2;
+            height *= 2;
+        }
+
         log_pixels_x = MulDiv(width, 254, size_mm.width * 10);
         log_pixels_y = MulDiv(height, 254, size_mm.height * 10);
     }
@@ -181,7 +206,13 @@ static void device_init(void)
         vert_res = CGDisplayPixelsHigh(mainDisplay);
     }
 
-    macdrv_get_desktop_rect();
+    if (retina_on)
+    {
+        horz_res *= 2;
+        vert_res *= 2;
+    }
+
+    compute_desktop_rect();
     desktop_horz_res = desktop_rect.size.width;
     desktop_vert_res = desktop_rect.size.height;
 

dlls/winemac.drv/macdrv.h

@@ -219,6 +219,7 @@ extern CFArrayRef create_app_icon_images(void) DECLSPEC_HIDDEN;
 extern void macdrv_status_item_mouse_button(const macdrv_event *event) DECLSPEC_HIDDEN;
 extern void macdrv_status_item_mouse_move(const macdrv_event *event) DECLSPEC_HIDDEN;
 
+extern void check_retina_status(void) DECLSPEC_HIDDEN;
 
 /**************************************************************************
  * Mac IME driver

dlls/winemac.drv/macdrv_cocoa.h

@@ -160,6 +160,78 @@ extern int cursor_clipping_locks_windows DECLSPEC_HIDDEN;
 extern int use_precise_scrolling DECLSPEC_HIDDEN;
 extern int gl_surface_mode DECLSPEC_HIDDEN;
 extern CFDictionaryRef localized_strings DECLSPEC_HIDDEN;
+extern int retina_enabled DECLSPEC_HIDDEN;  /* Whether Retina mode is enabled via registry setting. */
+extern int retina_on DECLSPEC_HIDDEN;       /* Whether Retina mode is currently active (enabled and display is in default mode). */
+
+static inline CGRect cgrect_mac_from_win(CGRect rect)
+{
+    if (retina_on)
+    {
+        rect.origin.x /= 2;
+        rect.origin.y /= 2;
+        rect.size.width /= 2;
+        rect.size.height /= 2;
+    }
+
+    return rect;
+}
+
+static inline CGRect cgrect_win_from_mac(CGRect rect)
+{
+    if (retina_on)
+    {
+        rect.origin.x *= 2;
+        rect.origin.y *= 2;
+        rect.size.width *= 2;
+        rect.size.height *= 2;
+    }
+
+    return rect;
+}
+
+static inline CGSize cgsize_mac_from_win(CGSize size)
+{
+    if (retina_on)
+    {
+        size.width /= 2;
+        size.height /= 2;
+    }
+
+    return size;
+}
+
+static inline CGSize cgsize_win_from_mac(CGSize size)
+{
+    if (retina_on)
+    {
+        size.width *= 2;
+        size.height *= 2;
+    }
+
+    return size;
+}
+
+static inline CGPoint cgpoint_mac_from_win(CGPoint point)
+{
+    if (retina_on)
+    {
+        point.x /= 2;
+        point.y /= 2;
+    }
+
+    return point;
+}
+
+static inline CGPoint cgpoint_win_from_mac(CGPoint point)
+{
+    if (retina_on)
+    {
+        point.x *= 2;
+        point.y *= 2;
+    }
+
+    return point;
+}
 
 extern int macdrv_start_cocoa_app(unsigned long long tickcount) DECLSPEC_HIDDEN;
 extern void macdrv_window_rejected_focus(const struct macdrv_event *event) DECLSPEC_HIDDEN;
@@ -168,6 +240,7 @@ extern void macdrv_set_application_icon(CFArrayRef images) DECLSPEC_HIDDEN;
 extern void macdrv_quit_reply(int reply) DECLSPEC_HIDDEN;
 extern int macdrv_using_input_method(void) DECLSPEC_HIDDEN;
 extern void macdrv_set_mouse_capture_window(macdrv_window window) DECLSPEC_HIDDEN;
+extern void macdrv_set_cocoa_retina_mode(int new_mode) DECLSPEC_HIDDEN;
 
 
 /* cursor */
@@ -443,6 +516,8 @@ extern void macdrv_dispose_view(macdrv_view v) DECLSPEC_HIDDEN;
 extern void macdrv_set_view_window_and_frame(macdrv_view v, macdrv_window w, CGRect rect) DECLSPEC_HIDDEN;
 extern void macdrv_add_view_opengl_context(macdrv_view v, macdrv_opengl_context c) DECLSPEC_HIDDEN;
 extern void macdrv_remove_view_opengl_context(macdrv_view v, macdrv_opengl_context c) DECLSPEC_HIDDEN;
+extern int macdrv_get_view_backing_size(macdrv_view v, int backing_size[2]) DECLSPEC_HIDDEN;
+extern void macdrv_set_view_backing_size(macdrv_view v, const int backing_size[2]) DECLSPEC_HIDDEN;
 extern uint32_t macdrv_window_background_color(void) DECLSPEC_HIDDEN;
 extern void macdrv_send_text_input_event(int pressed, unsigned int flags, int repeat, int keyc,
                                          void* data, int* done) DECLSPEC_HIDDEN;
@@ -470,7 +545,7 @@ extern int macdrv_set_pasteboard_data(CFStringRef type, CFDataRef data, macdrv_w
 /* opengl */
 extern macdrv_opengl_context macdrv_create_opengl_context(void* cglctx) DECLSPEC_HIDDEN;
 extern void macdrv_dispose_opengl_context(macdrv_opengl_context c) DECLSPEC_HIDDEN;
-extern void macdrv_make_context_current(macdrv_opengl_context c, macdrv_view v) DECLSPEC_HIDDEN;
+extern void macdrv_make_context_current(macdrv_opengl_context c, macdrv_view v, CGRect r) DECLSPEC_HIDDEN;
 extern void macdrv_update_opengl_context(macdrv_opengl_context c) DECLSPEC_HIDDEN;
 extern void macdrv_flush_opengl_context(macdrv_opengl_context c) DECLSPEC_HIDDEN;
 

dlls/winemac.drv/macdrv_main.c

@@ -58,6 +58,7 @@ int allow_immovable_windows = TRUE;
 int cursor_clipping_locks_windows = TRUE;
 int use_precise_scrolling = TRUE;
 int gl_surface_mode = GL_SURFACE_IN_FRONT_OPAQUE;
+int retina_enabled = FALSE;
 HMODULE macdrv_module = 0;
 
 CFDictionaryRef localized_strings;
@@ -196,6 +197,11 @@ static void setup_options(void)
             gl_surface_mode = GL_SURFACE_IN_FRONT_OPAQUE;
     }
 
+    /* Don't use appkey.  The DPI and monitor sizes should be consistent for all
+       processes in the prefix. */
+    if (!get_config_key(hkey, NULL, "RetinaMode", buffer, sizeof(buffer)))
+        retina_enabled = IS_OPTION_TRUE(buffer[0]);
+
     if (appkey) RegCloseKey(appkey);
     if (hkey) RegCloseKey(hkey);
 }

dlls/winemac.drv/opengl.c

@@ -65,12 +65,15 @@ struct wgl_context
     CGLContextObj           cglcontext;
     HWND                    draw_hwnd;
     macdrv_view             draw_view;
+    RECT                    draw_rect;
     struct wgl_pbuffer     *draw_pbuffer;
     macdrv_view             read_view;
+    RECT                    read_rect;
     struct wgl_pbuffer     *read_pbuffer;
     BOOL                    has_been_current;
     BOOL                    sharing;
     LONG                    update_swap_interval;
+    LONG                    view_moved;
     DWORD                   last_flush_time;
     UINT                    major;
 };
@@ -1691,6 +1694,23 @@ done:
 
 
 /**********************************************************************
+ *              mark_contexts_for_moved_view
+ */
+static void mark_contexts_for_moved_view(macdrv_view view)
+{
+    struct wgl_context *context;
+
+    EnterCriticalSection(&context_section);
+    LIST_FOR_EACH_ENTRY(context, &context_list, struct wgl_context, entry)
+    {
+        if (context->draw_view == view)
+            InterlockedExchange(&context->view_moved, TRUE);
+    }
+    LeaveCriticalSection(&context_section);
+}
+
+
+/**********************************************************************
  *              set_gl_view_parent
  */
 void set_gl_view_parent(HWND hwnd, HWND parent)
@@ -1716,6 +1736,7 @@ void set_gl_view_parent(HWND hwnd, HWND parent)
         }
 
         macdrv_set_view_window_and_frame(data->gl_view, cocoa_window, cgrect_from_rect(data->gl_rect));
+        mark_contexts_for_moved_view(data->gl_view);
     }
 
     release_win_data(data);
@@ -1723,28 +1744,59 @@ void set_gl_view_parent(HWND hwnd, HWND parent)
 
 
 /**********************************************************************
+ *              sync_context_rect
+ */
+static BOOL sync_context_rect(struct wgl_context *context)
+{
+    BOOL ret = FALSE;
+    if (InterlockedCompareExchange(&context->view_moved, FALSE, TRUE))
+    {
+        struct macdrv_win_data *data = get_win_data(context->draw_hwnd);
+
+        if (data && data->gl_view && data->gl_view == context->draw_view &&
+            memcmp(&context->draw_rect, &data->gl_rect, sizeof(context->draw_rect)))
+        {
+            context->draw_rect = data->gl_rect;
+            ret = TRUE;
+        }
+        release_win_data(data);
+    }
+    return ret;
+}
+
+
+/**********************************************************************
  *              make_context_current
  */
 static void make_context_current(struct wgl_context *context, BOOL read)
 {
     macdrv_view view;
+    RECT view_rect;
     struct wgl_pbuffer *pbuffer;
 
     if (read)
     {
         view = context->read_view;
+        view_rect = context->read_rect;
         pbuffer = context->read_pbuffer;
     }
     else
     {
+        sync_context_rect(context);
+
         view = context->draw_view;
+        view_rect = context->draw_rect;
         pbuffer = context->draw_pbuffer;
     }
 
     if (view || !pbuffer)
-        macdrv_make_context_current(context->context, view);
+        macdrv_make_context_current(context->context, view, cgrect_from_rect(view_rect));
     else
     {
+        GLint enabled;
+
+        if (CGLIsEnabled(context->cglcontext, kCGLCESurfaceBackingSize, &enabled) == kCGLNoError && enabled)
+            CGLDisable(context->cglcontext, kCGLCESurfaceBackingSize);
         CGLSetPBuffer(context->cglcontext, pbuffer->pbuffer, pbuffer->face,
                       pbuffer->level, 0);
         CGLSetCurrentContext(context->cglcontext);
@@ -1753,6 +1805,16 @@ static void make_context_current(struct wgl_context *context, BOOL read)
 
 
 /**********************************************************************
+ *              sync_context
+ */
+static void sync_context(struct wgl_context *context)
+{
+    if (sync_context_rect(context))
+        make_context_current(context, FALSE);
+}
+
+
+/**********************************************************************
  *              set_swap_interval
  */
 static BOOL set_swap_interval(struct wgl_context *context, long interval)
@@ -2275,6 +2337,7 @@ static void macdrv_glFinish(void)
     struct wgl_context *context = NtCurrentTeb()->glContext;
 
     sync_swap_interval(context);
+    sync_context(context);
     pglFinish();
 }
 
@@ -2287,6 +2350,7 @@ static void macdrv_glFlush(void)
     struct wgl_context *context = NtCurrentTeb()->glContext;
 
     sync_swap_interval(context);
+    sync_context(context);
 
     if (skip_single_buffer_flushes)
     {
@@ -2367,6 +2431,7 @@ static void macdrv_glViewport(GLint x, GLint y, GLsizei width, GLsizei height)
 {
     struct wgl_context *context = NtCurrentTeb()->glContext;
 
+    sync_context(context);
     macdrv_update_opengl_context(context->context);
     pglViewport(x, y, width, height);
 }
@@ -3552,7 +3617,7 @@ static BOOL macdrv_wglMakeContextCurrentARB(HDC draw_hdc, HDC read_hdc, struct w
 
     if (!context)
     {
-        macdrv_make_context_current(NULL, NULL);
+        macdrv_make_context_current(NULL, NULL, CGRectNull);
         NtCurrentTeb()->glContext = NULL;
         return TRUE;
     }
@@ -3585,6 +3650,7 @@ static BOOL macdrv_wglMakeContextCurrentARB(HDC draw_hdc, HDC read_hdc, struct w
 
         context->draw_hwnd = hwnd;
         context->draw_view = data->gl_view;
+        context->draw_rect = data->gl_rect;
         context->draw_pbuffer = NULL;
         release_win_data(data);
     }
@@ -3631,7 +3697,10 @@ static BOOL macdrv_wglMakeContextCurrentARB(HDC draw_hdc, HDC read_hdc, struct w
             if ((data = get_win_data(hwnd)))
             {
                 if (data->gl_view != context->draw_view)
+                {
                     context->read_view = data->gl_view;
+                    context->read_rect = data->gl_rect;
+                }
                 release_win_data(data);
             }
         }
@@ -3643,8 +3712,9 @@ static BOOL macdrv_wglMakeContextCurrentARB(HDC draw_hdc, HDC read_hdc, struct w
         }
     }
 
-    TRACE("making context current with draw_view %p draw_pbuffer %p read_view %p read_pbuffer %p format %u\n",
-          context->draw_view, context->draw_pbuffer, context->read_view, context->read_pbuffer, context->format);
+    TRACE("making context current with draw_view %p %s draw_pbuffer %p read_view %p %s read_pbuffer %p format %u\n",
+          context->draw_view, wine_dbgstr_rect(&context->draw_rect), context->draw_pbuffer,
+          context->read_view, wine_dbgstr_rect(&context->read_rect), context->read_pbuffer, context->format);
 
     make_context_current(context, FALSE);
     context->has_been_current = TRUE;
@@ -4361,6 +4431,7 @@ void sync_gl_view(struct macdrv_win_data *data)
         TRACE("Setting GL view %p frame to %s\n", data->gl_view, wine_dbgstr_rect(&rect));
         macdrv_set_view_window_and_frame(data->gl_view, NULL, cgrect_from_rect(rect));
         data->gl_rect = rect;
+        mark_contexts_for_moved_view(data->gl_view);
     }
 }
 
@@ -4607,7 +4678,10 @@ static BOOL macdrv_wglSwapBuffers(HDC hdc)
           (context ? context->cglcontext : NULL));
 
     if (context)
+    {
         sync_swap_interval(context);
+        sync_context(context);
+    }
 
     if ((hwnd = WindowFromDC(hdc)))
     {

dlls/winemac.drv/surface.c

@@ -403,7 +403,7 @@ CGImageRef create_surface_image(void *window_surface, CGRect *rect, int copy_dat
         cgimage = CGImageCreate(CGRectGetWidth(visrect), CGRectGetHeight(visrect),
                                 8, 32, bytes_per_row, colorspace,
                                 alphaInfo | kCGBitmapByteOrder32Little,
-                                provider, NULL, FALSE, kCGRenderingIntentDefault);
+                                provider, NULL, retina_on, kCGRenderingIntentDefault);
         CGDataProviderRelease(provider);
         CGColorSpaceRelease(colorspace);
     }