From 44f24f8ece48fd4acc2e8d5f5a052cbc1981768c Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sat, 16 Oct 2021 23:00:33 +0800
Subject: ...

---
 src/osx/graphics/quartz/Painter.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'src/osx/graphics/quartz/Painter.cpp')

diff --git a/src/osx/graphics/quartz/Painter.cpp b/src/osx/graphics/quartz/Painter.cpp
index 4771ca47..041184c6 100644
--- a/src/osx/graphics/quartz/Painter.cpp
+++ b/src/osx/graphics/quartz/Painter.cpp
@@ -8,6 +8,7 @@
 
 namespace cru::platform::graphics::osx::quartz {
 QuartzCGContextPainter::~QuartzCGContextPainter() {
+  EndDraw();
   if (auto_release_) {
     CGContextRelease(cg_context_);
     cg_context_ = nullptr;
@@ -108,7 +109,12 @@ void QuartzCGContextPainter::PopLayer() {
   // TODO: Implement this.
 }
 
-void QuartzCGContextPainter::EndDraw() { CGContextFlush(cg_context_); }
+void QuartzCGContextPainter::EndDraw() {
+  if (cg_context_) {
+    CGContextFlush(cg_context_);
+    CGContextSynchronize(cg_context_);
+  }
+}
 
 void QuartzCGContextPainter::Validate() {
   if (cg_context_ == nullptr)
-- 
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