diff options
Diffstat (limited to 'src/plugins/platforms/qnx/qqnxwindow.cpp')
-rw-r--r-- | src/plugins/platforms/qnx/qqnxwindow.cpp | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/src/plugins/platforms/qnx/qqnxwindow.cpp b/src/plugins/platforms/qnx/qqnxwindow.cpp index 45e565f24f..9b9576c88b 100644 --- a/src/plugins/platforms/qnx/qqnxwindow.cpp +++ b/src/plugins/platforms/qnx/qqnxwindow.cpp @@ -432,15 +432,27 @@ QQnxBuffer &QQnxWindow::renderBuffer() // Get all buffers available for rendering errno = 0; screen_buffer_t buffers[MAX_BUFFER_COUNT]; - const int result = screen_get_window_property_pv(m_window, SCREEN_PROPERTY_RENDER_BUFFERS, (void **)buffers); + int result = screen_get_window_property_pv(m_window, SCREEN_PROPERTY_RENDER_BUFFERS, (void **)buffers); if (result != 0) qFatal("QQnxWindow: failed to query window buffers, errno=%d", errno); - // Wrap each buffer + // Wrap each buffer and clear for (int i = 0; i < MAX_BUFFER_COUNT; ++i) { m_buffers[i] = QQnxBuffer(buffers[i]); + + // Clear Buffer + errno = 0; + int bg[] = { SCREEN_BLIT_COLOR, 0x00000000, SCREEN_BLIT_END }; + result = screen_fill(m_screen->nativeContext(), buffers[i], bg); + if (result != 0) + qFatal("QQnxWindow: failed to clear window buffer, errno=%d", errno); } + errno = 0; + result = screen_flush_blits(m_screen->nativeContext(), 0); + if (result != 0) + qFatal("QQnxWindow: failed to flush blits, errno=%d", errno); + // Use the first available render buffer m_currentBufferIndex = 0; m_previousBufferIndex = -1; |