diff --git a/app/gl_macos.m b/app/gl_macos.m
index e545391d..3f95ac0f 100644
--- a/app/gl_macos.m
+++ b/app/gl_macos.m
@@ -7,7 +7,7 @@
 #include <OpenGL/OpenGL.h>
 #include "_cgo_export.h"
 
-CALayer *gio_layerFactory(void) {
+CALayer *gio_layerFactory(BOOL presentWithTrans) {
 	@autoreleasepool {
 		return [CALayer layer];
 	}
diff --git a/app/metal_macos.go b/app/metal_macos.go
index 4fe7586c..15d60b08 100644
--- a/app/metal_macos.go
+++ b/app/metal_macos.go
@@ -12,12 +12,12 @@ package app
 #import <QuartzCore/CAMetalLayer.h>
 #include <CoreFoundation/CoreFoundation.h>
 
-CALayer *gio_layerFactory(void) {
+CALayer *gio_layerFactory(BOOL presentWithTrans) {
 	@autoreleasepool {
 		CAMetalLayer *l = [CAMetalLayer layer];
 		l.autoresizingMask = kCALayerHeightSizable|kCALayerWidthSizable;
 		l.needsDisplayOnBoundsChange = YES;
-		l.presentsWithTransaction = YES;
+		l.presentsWithTransaction = presentWithTrans;
 		return l;
 	}
 }
diff --git a/app/os_macos.go b/app/os_macos.go
index 1da5083f..a1142c86 100644
--- a/app/os_macos.go
+++ b/app/os_macos.go
@@ -40,7 +40,7 @@ import (
 #define MOUSE_SCROLL 4
 
 __attribute__ ((visibility ("hidden"))) void gio_main(void);
-__attribute__ ((visibility ("hidden"))) CFTypeRef gio_createView(void);
+__attribute__ ((visibility ("hidden"))) CFTypeRef gio_createView(int presentWithTrans);
 __attribute__ ((visibility ("hidden"))) CFTypeRef gio_createWindow(CFTypeRef viewRef, CGFloat width, CGFloat height, CGFloat minWidth, CGFloat minHeight, CGFloat maxWidth, CGFloat maxHeight);
 __attribute__ ((visibility ("hidden"))) void gio_viewSetHandle(CFTypeRef viewRef, uintptr_t handle);
 
@@ -925,7 +925,9 @@ func newWindow(win *callbacks, options []Option) {
 		w.loop = newEventLoop(w.w, w.wakeup)
 		win.SetDriver(w)
 		res <- struct{}{}
-		if err := w.init(); err != nil {
+		var cnf Config
+		cnf.apply(unit.Metric{}, options)
+		if err := w.init(cnf.CustomRenderer); err != nil {
 			w.ProcessEvent(DestroyEvent{Err: err})
 			return
 		}
@@ -946,8 +948,12 @@ func newWindow(win *callbacks, options []Option) {
 	<-res
 }
 
-func (w *window) init() error {
-	view := C.gio_createView()
+func (w *window) init(customRenderer bool) error {
+	presentWithTrans := 1
+	if customRenderer {
+		presentWithTrans = 0
+	}
+	view := C.gio_createView(C.int(presentWithTrans))
 	if view == 0 {
 		return errors.New("newOSWindow: failed to create view")
 	}
diff --git a/app/os_macos.m b/app/os_macos.m
index 01b42978..b1940321 100644
--- a/app/os_macos.m
+++ b/app/os_macos.m
@@ -6,7 +6,7 @@
 
 #include "_cgo_export.h"
 
-__attribute__ ((visibility ("hidden"))) CALayer *gio_layerFactory(void);
+__attribute__ ((visibility ("hidden"))) CALayer *gio_layerFactory(BOOL presentWithTrans);
 
 @interface GioAppDelegate : NSObject<NSApplicationDelegate>
 @end
@@ -16,6 +16,7 @@ __attribute__ ((visibility ("hidden"))) CALayer *gio_layerFactory(void);
 
 @interface GioView : NSView <CALayerDelegate,NSTextInputClient>
 @property uintptr_t handle;
+@property BOOL presentWithTrans;
 @end
 
 @implementation GioWindowDelegate
@@ -88,7 +89,7 @@ static void handleMouse(GioView *view, NSEvent *event, int typ, CGFloat dx, CGFl
 	gio_onDraw(self.handle);
 }
 - (CALayer *)makeBackingLayer {
-	CALayer *layer = gio_layerFactory();
+	CALayer *layer = gio_layerFactory(self.presentWithTrans);
 	layer.delegate = self;
 	return layer;
 }
@@ -392,10 +393,11 @@ CFTypeRef gio_createWindow(CFTypeRef viewRef, CGFloat width, CGFloat height, CGF
 	}
 }
 
-CFTypeRef gio_createView(void) {
+CFTypeRef gio_createView(int presentWithTrans) {
 	@autoreleasepool {
 		NSRect frame = NSMakeRect(0, 0, 0, 0);
 		GioView* view = [[GioView alloc] initWithFrame:frame];
+		view.presentWithTrans = presentWithTrans ? YES : NO;
 		view.wantsLayer = YES;
 		view.layerContentsRedrawPolicy = NSViewLayerContentsRedrawDuringViewResize;