ui/cocoa: Scale with NSView instead of Core Graphics

Core Graphics is not accelerated and slow.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Tested-by: Rene Engel <ReneEngel80@emailn.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-ID: <20240224-cocoa-v12-4-e89f70bdda71@daynix.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>

ui/cocoa.m

@@ -504,10 +504,8 @@ - (void) drawRect:(NSRect) rect
 
         [self getRectsBeingDrawn:&rectList count:&rectCount];
         for (i = 0; i < rectCount; i++) {
-            clipRect.origin.x = rectList[i].origin.x / cdx;
-            clipRect.origin.y = (float)h - (rectList[i].origin.y + rectList[i].size.height) / cdy;
-            clipRect.size.width = rectList[i].size.width / cdx;
-            clipRect.size.height = rectList[i].size.height / cdy;
+            clipRect = rectList[i];
+            clipRect.origin.y = (float)h - (clipRect.origin.y + clipRect.size.height);
             clipImageRef = CGImageCreateWithImageInRect(
                                                         imageRef,
                                                         clipRect
@@ -553,6 +551,11 @@ - (void) setContentDimensions
     }
 }
 
+- (void) updateBounds
+{
+    [self setBoundsSize:NSMakeSize(screen.width, screen.height)];
+}
+
 - (void) updateUIInfoLocked
 {
     /* Must be called with the BQL, i.e. via updateUIInfo */
@@ -642,6 +645,7 @@ - (void) switchSurface:(pixman_image_t *)image
         screen.height = h;
         [self setContentDimensions];
         [self setFrame:NSMakeRect(cx, cy, cw, ch)];
+        [self updateBounds];
     }
 
     // update screenBuffer
@@ -1305,6 +1309,7 @@ - (void)windowDidChangeScreen:(NSNotification *)notification
 
 - (void)windowDidResize:(NSNotification *)notification
 {
+    [cocoaView updateBounds];
     [cocoaView updateUIInfo];
 }
 
@@ -1967,16 +1972,7 @@ static void cocoa_update(DisplayChangeListener *dcl,
     COCOA_DEBUG("qemu_cocoa: cocoa_update\n");
 
     dispatch_async(dispatch_get_main_queue(), ^{
-        NSRect rect;
-        if ([cocoaView cdx] == 1.0) {
-            rect = NSMakeRect(x, [cocoaView gscreen].height - y - h, w, h);
-        } else {
-            rect = NSMakeRect(
-                x * [cocoaView cdx],
-                ([cocoaView gscreen].height - y - h) * [cocoaView cdy],
-                w * [cocoaView cdx],
-                h * [cocoaView cdy]);
-        }
+        NSRect rect = NSMakeRect(x, [cocoaView gscreen].height - y - h, w, h);
         [cocoaView setNeedsDisplayInRect:rect];
     });
 }