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--- tools/sk_app/mac/WindowContextFactory_mac.h 2022-02-16 06:03:39.000000000 -0500
+++ tools/sk_app/mac/WindowContextFactory_mac.h 2023-01-25 08:09:00.000000000 -0500
@@ -19,15 +19,8 @@
struct DisplayParams;
-static inline CGFloat GetBackingScaleFactor(NSView* view) {
- #ifdef SK_BUILD_FOR_IOS
- UIScreen* screen = view.window.screen ?: [UIScreen mainScreen];
- return screen.nativeScale;
- #else
- NSScreen* screen = view.window.screen ?: [NSScreen mainScreen];
- return screen.backingScaleFactor;
- #endif
-}
+SK_API CGFloat GetBackingScaleFactor(NSView* view);
+SK_API void ResetBackingScaleFactor();
namespace window_context_factory {
--- tools/sk_app/mac/MetalWindowContext_mac.mm 2021-11-25 10:39:27.000000000 -0500
+++ tools/sk_app/mac/MetalWindowContext_mac.mm 2023-01-28 14:55:57.000000000 -0500
@@ -11,6 +11,8 @@
#import <Cocoa/Cocoa.h>
#import <QuartzCore/CAConstraintLayoutManager.h>
+#include <sal/log.hxx>
+
using sk_app::DisplayParams;
using sk_app::window_context_factory::MacWindowInfo;
using sk_app::MetalWindowContext;
@@ -87,6 +89,18 @@
fMetalLayer.drawableSize = backingSize;
fMetalLayer.contentsScale = backingScaleFactor;
+ // Related: tdf#147342 Copy layer's colorspace to window's colorspace
+ // This method is now called when the window's backing properties have
+ // changed so copy any colorspace changes.
+ NSColorSpace* cs = fMainView.window.colorSpace;
+ fMetalLayer.colorspace = cs.CGColorSpace;
+ // Related tdf#145988 Reset layer's pixel format to MTLPixelFormatBGRA8Unorm
+ // Skia initally sets the layer's pixel format to be BGRA8888 but macOS
+ // may change the layer's pixel format when a window has moved to a screen
+ // with 30-bit color depth so reset it back to BGRA8888.
+ SAL_WARN_IF(fMetalLayer.pixelFormat != MTLPixelFormatBGRA8Unorm, "vcl.skia.metal", "CAMetalLayer pixel format is " << fMetalLayer.pixelFormat << " but should be " << MTLPixelFormatBGRA8Unorm << " (MTLPixelFormatBGRA8Unorm)");
+ fMetalLayer.pixelFormat = MTLPixelFormatBGRA8Unorm;
+
fWidth = backingSize.width;
fHeight = backingSize.height;
}
--- /dev/null 2023-01-25 09:20:55.000000000 -0500
+++ tools/sk_app/mac/WindowContextFactory_mac.mm 2023-01-25 09:21:22.000000000 -0500
@@ -0,0 +1,57 @@
+/*
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "tools/sk_app/mac/WindowContextFactory_mac.h"
+
+namespace sk_app {
+
+static bool bWindowScaling = false;
+static float fWindowScale = 1.0f;
+
+CGFloat GetBackingScaleFactor(NSView* view) {
+ #ifdef SK_BUILD_FOR_IOS
+ UIScreen* screen = view.window.screen ?: [UIScreen mainScreen];
+ return screen.nativeScale;
+ #else
+ // Related: tdf#147342 This should always be an exact copy of the
+ // sal::aqua::getWindowScaling() function in the following file:
+ // vcl/osx/salgdiutils.cxx
+ (void)view;
+
+ if (!bWindowScaling)
+ {
+ NSArray *aScreens = [NSScreen screens];
+ if (aScreens)
+ {
+ for (NSScreen *aScreen : aScreens)
+ {
+ float fScale = [aScreen backingScaleFactor];
+ if (fScale > fWindowScale)
+ fWindowScale = fScale;
+ }
+ bWindowScaling = true;
+ }
+ if( const char* env = getenv("SAL_FORCE_HIDPI_SCALING"))
+ {
+ fWindowScale = atof(env);
+ bWindowScaling = true;
+ }
+ }
+ return fWindowScale;
+ #endif
+}
+
+void ResetBackingScaleFactor() {
+ #ifndef SK_BUILD_FOR_IOS
+ // Related: tdf#147342 Force recalculation of the window scaling but keep
+ // the previous window scaling as the minimum so that we don't lose the
+ // resolution in cached images if a HiDPI monitor is disconnected and
+ // then reconnected.
+ bWindowScaling = false;
+ GetBackingScaleFactor(nil);
+ #endif
+}
+
+} // namespace sk_app
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