macOS: Add a few more local autorelease pools to QCocoaGLContext

Prevents buildup of autoreleased NSViews (drawables) in the outer pool
of the main runloop, which may not drain as often as we wish.

Change-Id: Ifcf7317c50ec243e0d957bf4a19aab8bf34d5dd6
Fixes: QTBUG-84762
Pick-to: 5.15 5.12
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>

1 files changed, 6 insertions, 0 deletions

diff --git a/src/plugins/platforms/cocoa/qcocoaglcontext.mm b/src/plugins/platforms/cocoa/qcocoaglcontext.mm
index 826589e56f..c049ca60f2 100644
--- a/src/plugins/platforms/cocoa/qcocoaglcontext.mm
+++ b/src/plugins/platforms/cocoa/qcocoaglcontext.mm
@@ -357,6 +357,8 @@ QCocoaGLContext::~QCocoaGLContext()
 
 bool QCocoaGLContext::makeCurrent(QPlatformSurface *surface)
 {
+    QMacAutoReleasePool pool;
+
     qCDebug(lcQpaOpenGLContext) << "Making" << this << "current"
         << "in" << QThread::currentThread() << "for" << surface;
 
@@ -489,6 +491,8 @@ void QCocoaGLContext::update()
 
 void QCocoaGLContext::swapBuffers(QPlatformSurface *surface)
 {
+    QMacAutoReleasePool pool;
+
     qCDebug(lcQpaOpenGLContext) << "Swapping" << m_context
         << "in" << QThread::currentThread() << "to" << surface;
 
@@ -522,6 +526,8 @@ void QCocoaGLContext::swapBuffers(QPlatformSurface *surface)
 
 void QCocoaGLContext::doneCurrent()
 {
+    QMacAutoReleasePool pool;
+
     qCDebug(lcQpaOpenGLContext) << "Clearing current context"
         << [NSOpenGLContext currentContext] << "in" << QThread::currentThread();