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author | Qt Forward Merge Bot <qt_forward_merge_bot@qt-project.org> | 2019-10-09 01:00:42 +0200 |
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committer | Qt Forward Merge Bot <qt_forward_merge_bot@qt-project.org> | 2019-10-09 01:00:42 +0200 |
commit | 74858dc4af2c70b1c1540a7eda550620227badac (patch) | |
tree | 56ddf93c4302a7f2e10a93ccdc1c10d12e0f9582 /src/gui/painting/qplatformbackingstore.cpp | |
parent | 7a3d647bab633caae270a74d8a398669bbfe8521 (diff) | |
parent | 3425c9c6d7f7915e6f7931da46105b36245e86ad (diff) |
Merge remote-tracking branch 'origin/5.14' into 5.15
Change-Id: I03d82c5bc47908a97e7a908d7e67a7301b28d8cb
Diffstat (limited to 'src/gui/painting/qplatformbackingstore.cpp')
-rw-r--r-- | src/gui/painting/qplatformbackingstore.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/gui/painting/qplatformbackingstore.cpp b/src/gui/painting/qplatformbackingstore.cpp index 601dc97be1..45e90bd99b 100644 --- a/src/gui/painting/qplatformbackingstore.cpp +++ b/src/gui/painting/qplatformbackingstore.cpp @@ -338,7 +338,16 @@ void QPlatformBackingStore::composeAndFlush(QWindow *window, const QRegion ®i } } - if (!d_ptr->context->makeCurrent(window)) { + bool current = d_ptr->context->makeCurrent(window); + + if (!current && !d_ptr->context->isValid()) { + delete d_ptr->blitter; + d_ptr->blitter = nullptr; + d_ptr->textureId = 0; + current = d_ptr->context->create() && d_ptr->context->makeCurrent(window); + } + + if (!current) { qCWarning(lcQpaBackingStore, "composeAndFlush: makeCurrent() failed"); return; } |