diff options
Diffstat (limited to 'src/plugins/platforms/qnx/qqnxrasterbackingstore.cpp')
| -rw-r--r-- | src/plugins/platforms/qnx/qqnxrasterbackingstore.cpp | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/plugins/platforms/qnx/qqnxrasterbackingstore.cpp b/src/plugins/platforms/qnx/qqnxrasterbackingstore.cpp index 57914cf2fb..3109388fb2 100644 --- a/src/plugins/platforms/qnx/qqnxrasterbackingstore.cpp +++ b/src/plugins/platforms/qnx/qqnxrasterbackingstore.cpp @@ -41,6 +41,8 @@ #include "qqnxrasterbackingstore.h" #include "qqnxrasterwindow.h" +#include "qqnxscreen.h" +#include "qqnxglobal.h" #include <QtCore/QDebug> @@ -167,6 +169,25 @@ void QQnxRasterBackingStore::beginPaint(const QRegion ®ion) m_hasUnflushedPaintOperations = true; platformWindow()->adjustBufferSize(); + + if (window()->requestedFormat().alphaBufferSize() != 0) { + foreach (const QRect &r, region.rects()) { + // Clear transparent regions + const int bg[] = { + SCREEN_BLIT_COLOR, 0x00000000, + SCREEN_BLIT_DESTINATION_X, r.x(), + SCREEN_BLIT_DESTINATION_Y, r.y(), + SCREEN_BLIT_DESTINATION_WIDTH, r.width(), + SCREEN_BLIT_DESTINATION_HEIGHT, r.height(), + SCREEN_BLIT_END + }; + Q_SCREEN_CHECKERROR(screen_fill(platformWindow()->screen()->nativeContext(), + platformWindow()->renderBuffer().nativeBuffer(), bg), + "failed to clear transparent regions"); + } + Q_SCREEN_CHECKERROR(screen_flush_blits(platformWindow()->screen()->nativeContext(), 0), + "failed to flush blits"); + } } void QQnxRasterBackingStore::endPaint() |