diff options
| author | Rafael Roquetto <rafael.roquetto@kdab.com> | 2014-05-26 18:26:45 -0300 |
|---|---|---|
| committer | The Qt Project <gerrit-noreply@qt-project.org> | 2014-06-02 20:12:10 +0200 |
| commit | 6bd8c3742e111301481d3658a7c0a970bb10d66b (patch) | |
| tree | 333b0de8b527a03874874d189173e8d3d023c222 /src/plugins/platforms/qnx/qqnxrasterbackingstore.cpp | |
| parent | 64de8fb29dd43fd0f204e5b06236051512a9eef4 (diff) | |
QNX: Fix clearing transparent buffer
Testing whether alphaBufferSize() != 0 does not work, because when no alpha
channel is present, alphaBufferSize() can return '-1', which will cause
non-transparent windows to be wrongly cleared and an artifact will appear.
Change-Id: Id9e985f105c0bb302cc6f53960a5dbae2acdb921
Reviewed-by: Frank Osterfeld <frank.osterfeld@kdab.com>
Reviewed-by: Wolfgang Bremer <wbremer@blackberry.com>
Reviewed-by: Sergio Ahumada <sahumada@blackberry.com>
Diffstat (limited to 'src/plugins/platforms/qnx/qqnxrasterbackingstore.cpp')
| -rw-r--r-- | src/plugins/platforms/qnx/qqnxrasterbackingstore.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/plugins/platforms/qnx/qqnxrasterbackingstore.cpp b/src/plugins/platforms/qnx/qqnxrasterbackingstore.cpp index 3109388fb2..e0ecb5c798 100644 --- a/src/plugins/platforms/qnx/qqnxrasterbackingstore.cpp +++ b/src/plugins/platforms/qnx/qqnxrasterbackingstore.cpp @@ -170,7 +170,7 @@ void QQnxRasterBackingStore::beginPaint(const QRegion ®ion) platformWindow()->adjustBufferSize(); - if (window()->requestedFormat().alphaBufferSize() != 0) { + if (window()->requestedFormat().alphaBufferSize() > 0) { foreach (const QRect &r, region.rects()) { // Clear transparent regions const int bg[] = { |