[PATCH 4/6] Revert "winemac.drv: Use a mask layer to support window regions."

[Tim Clem]

This reverts commit 01f027b2db3196a8fe43be3d6718227794362985.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=52354
Signed-off-by: Tim Clem 
---
 dlls/winemac.drv/cocoa_window.h |  2 +
 dlls/winemac.drv/cocoa_window.m | 90 ++++++++++++++++-----------------
 2 files changed, 47 insertions(+), 45 deletions(-)

diff --git a/dlls/winemac.drv/cocoa_window.h b/dlls/winemac.drv/cocoa_window.h
index a83f2aa803b..df02f1f6522 100644
--- a/dlls/winemac.drv/cocoa_window.h
+++ b/dlls/winemac.drv/cocoa_window.h
@@ -53,6 +53,8 @@ @interface WineWindow : NSPanel <NSWindowDelegate>
     NSRect wineFrame;
     NSRect roundedWineFrame;

+    NSBezierPath* shape;
+    NSData* shapeData;
     BOOL shapeChangedSinceLastDraw;

BOOL colorKeyed;
diff --git a/dlls/winemac.drv/cocoa_window.m b/dlls/winemac.drv/cocoa_window.m
index 2014027d2cc..6ccda75ac9f 100644
--- a/dlls/winemac.drv/cocoa_window.m
+++ b/dlls/winemac.drv/cocoa_window.m
@@ -319,22 +319,6 @@ - (BOOL) layer:(CALayer*)layer shouldInheritContentsScale:(CGFloat)newScale from
 #endif

-@interface CAShapeLayer (WineShapeMaskExtensions)
-
-@property(readonly, nonatomic, getter=isEmptyShaped) BOOL emptyShaped;
-
-@end
-
-@implementation CAShapeLayer (WineShapeMaskExtensions)
-
-    - (BOOL) isEmptyShaped
-    {
-        return CGRectEqualToRect(CGPathGetBoundingBox(self.path), CGRectZero);
-    }
-
-@end
-
-
 @interface WineBaseView : NSView
 @end

@@ -404,6 +388,8 @@ @interface WineWindow ()
 @property (nonatomic) void* surface;
 @property (nonatomic) pthread_mutex_t* surface_mutex;

+@property (copy, nonatomic) NSBezierPath* shape;
+@property (copy, nonatomic) NSData* shapeData;
 @property (nonatomic) BOOL shapeChangedSinceLastDraw;
 @property (readonly, nonatomic) BOOL needsTransparency;

@@ -416,8 +402,6 @@ @interface WineWindow ()

@property (readonly, copy, nonatomic) NSArray* childWineWindows;

-    - (void) setShape:(CGPathRef)newShape;
-
     - (void) updateForGLSubviews;

- (BOOL) becameEligibleParentOrChild;
@@ -510,6 +494,17 @@ - (void) drawRect:(NSRect)rect
         if ([window contentView] != self)
             return;

+        if (window.drawnSinceShown && window.shapeChangedSinceLastDraw && window.shape && !window.colorKeyed && !window.usePerPixelAlpha)
+        {
+            [[NSColor clearColor] setFill];
+            NSRectFill(rect);
+
+            [window.shape addClip];
+
+            [[NSColor windowBackgroundColor] setFill];
+            NSRectFill(rect);
+        }
+
         if (window.surface && window.surface_mutex &&
             !pthread_mutex_lock(window.surface_mutex))
         {
@@ -522,6 +517,8 @@ - (void) drawRect:(NSRect)rect
                 CGContextRef context;
                 int i;

+                [window.shape addClip];
+
                 context = (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort];
                 CGContextSetBlendMode(context, kCGBlendModeCopy);
                 CGContextSetInterpolationQuality(context, retina_on ? kCGInterpolationHigh : kCGInterpolationNone);
@@ -971,7 +968,7 @@ @implementation WineWindow
     @synthesize disabled, noForeground, preventsAppActivation, floating, fullscreen, fakingClose, closing, latentParentWindow, hwnd, queue;
     @synthesize drawnSinceShown;
     @synthesize surface, surface_mutex;
-    @synthesize shapeChangedSinceLastDraw;
+    @synthesize shape, shapeData, shapeChangedSinceLastDraw;
     @synthesize colorKeyed, colorKeyRed, colorKeyGreen, colorKeyBlue;
     @synthesize usePerPixelAlpha;
     @synthesize imeData, commandDone;
@@ -1072,6 +1069,8 @@ - (void) dealloc
         [queue release];
         [latentChildWindows release];
         [latentParentWindow release];
+        [shape release];
+        [shapeData release];
         [super dealloc];
     }

@@ -2020,7 +2019,7 @@ - (void) setDisabled:(BOOL)newValue

- (BOOL) needsTransparency
     {
-        return self.contentView.layer.mask || self.colorKeyed || self.usePerPixelAlpha ||
+        return self.shape || self.colorKeyed || self.usePerPixelAlpha ||
                 (gl_surface_mode == GL_SURFACE_BEHIND && [(WineContentView*)self.contentView hasGLDescendant]);
     }

@@ -2042,27 +2041,22 @@ - (void) checkTransparency
         }
     }

-    - (void) setShape:(CGPathRef)newShape
+    - (void) setShape:(NSBezierPath*)newShape
     {
-        CALayer* layer = [[self contentView] layer];
-        CAShapeLayer* mask = (CAShapeLayer*)layer.mask;
-        if (CGPathEqualToPath(newShape, mask.path)) return;
-
-        if (newShape && !layer.mask)
-            layer.mask = mask = [CAShapeLayer layer];
-        else if (!newShape)
-            layer.mask = mask = nil;
+        if (shape == newShape) return;

-        if (mask.path)
-            [[self contentView] setNeedsDisplayInRect:NSRectFromCGRect(CGPathGetBoundingBox(mask.path))];
+        if (shape)
+        {
+            [[self contentView] setNeedsDisplayInRect:[shape bounds]];
+            [shape release];
+        }
         if (newShape)
-            [[self contentView] setNeedsDisplayInRect:NSRectFromCGRect(CGPathGetBoundingBox(newShape))];
+            [[self contentView] setNeedsDisplayInRect:[newShape bounds]];

-        mask.path = newShape;
+        shape = [newShape copy];
         self.shapeChangedSinceLastDraw = TRUE;

[self checkTransparency];
-        [self checkEmptyShaped];
     }

- (void) makeFocused:(BOOL)activate
@@ -2260,8 +2254,7 @@ - (void) checkWineDisplayLink

- (BOOL) isEmptyShaped
     {
-        CAShapeLayer* mask = (CAShapeLayer*)[[self contentView] layer].mask;
-        return ([mask isEmptyShaped]);
+        return (self.shapeData.length == sizeof(CGRectZero) && !memcmp(self.shapeData.bytes, &CGRectZero, sizeof(CGRectZero)));
     }

- (BOOL) canProvideSnapshot
@@ -2663,7 +2656,8 @@ - (void) setRetinaMode:(int)mode

[transform scaleBy:scale];

-        [[self contentView] layer].mask.contentsScale = mode ? 2.0 : 1.0;
+        if (shape)
+            [shape transformUsingAffineTransform:transform];

for (WineBaseView* subview in [self.contentView subviews])
         {
@@ -3481,19 +3475,25 @@ void macdrv_set_window_shape(macdrv_window w, const CGRect *rects, int count)
     OnMainThread(^{
         if (!rects || !count)
         {
-            [window setShape:NULL];
+            window.shape = nil;
+            window.shapeData = nil;
             [window checkEmptyShaped];
         }
         else
         {
-            CGMutablePathRef path;
-            unsigned int i;
+            size_t length = sizeof(*rects) * count;
+            if (window.shapeData.length != length || memcmp(window.shapeData.bytes, rects, length))
+            {
+                NSBezierPath* path;
+                unsigned int i;

-            path = CGPathCreateMutable();
-            for (i = 0; i < count; i++)
-                CGPathAddRect(path, NULL, cgrect_mac_from_win(rects[i]));
-            [window setShape:path];
-            CGPathRelease(path);
+                path = [NSBezierPath bezierPath];
+                for (i = 0; i < count; i++)
+                    [path appendBezierPathWithRect:NSRectFromCGRect(cgrect_mac_from_win(rects[i]))];
+                window.shape = path;
+                window.shapeData = [NSData dataWithBytes:rects length:length];
+                [window checkEmptyShaped];
+            }
         }
     });