From 6d7c7a5ddafc8005969d4d99dc0c92b49ac4bcb3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Morten=20Johan=20S=C3=B8rvig?= Date: Sat, 27 Apr 2019 00:27:19 +0200 Subject: wasm: prevent crash on null backingstore pointer We can get draw calls in between creating the platform window and the platform backing store. Task-number: QTBUG-75463 Change-Id: If0b67d40fac84e466f204ec23a267aa4c6121cbd Reviewed-by: Lorn Potter --- src/plugins/platforms/wasm/qwasmcompositor.cpp | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/plugins/platforms/wasm/qwasmcompositor.cpp b/src/plugins/platforms/wasm/qwasmcompositor.cpp index e6a69c4814..b3234197d0 100644 --- a/src/plugins/platforms/wasm/qwasmcompositor.cpp +++ b/src/plugins/platforms/wasm/qwasmcompositor.cpp @@ -251,6 +251,8 @@ void QWasmCompositor::blit(QOpenGLTextureBlitter *blitter, QWasmScreen *screen, void QWasmCompositor::drawWindowContent(QOpenGLTextureBlitter *blitter, QWasmScreen *screen, QWasmWindow *window) { QWasmBackingStore *backingStore = window->backingStore(); + if (!backingStore) + return; QOpenGLTexture const *texture = backingStore->getUpdatedTexture(); -- cgit v1.2.3