[QNX] Set Window usage

Set Window usage prior to use the framebuffer. For OpenGL windows set OpenGL usage and for normal painting set it to native usage. Some QNX libscreen implementations don't set usage automatically, so we must set this explicitly. Task-number: QTBUG-35912 Change-Id: I5154c0bcf9c65ef6d47af6a1cf8f17765ccf51dd Reviewed-by: Fabian Bumberger <[email protected]> Reviewed-by: Vladimir Minenko <[email protected]> Reviewed-by: Giuseppe D'Angelo <[email protected]> Reviewed-by: Rafael Roquetto <[email protected]>
petrmanek · Jan 16, 2014 · 5dee237 · 5dee237
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diff --git a/src/plugins/platforms/qnx/qqnxeglwindow.cpp b/src/plugins/platforms/qnx/qqnxeglwindow.cpp
@@ -63,6 +63,13 @@ QQnxEglWindow::QQnxEglWindow(QWindow *window, screen_context_t context, bool nee
     m_eglSurface(EGL_NO_SURFACE)
 {
     initWindow();
+
+    // Set window usage
+    const int val = SCREEN_USAGE_OPENGL_ES2;
+    const int result = screen_set_window_property_iv(nativeHandle(), SCREEN_PROPERTY_USAGE, &val);
+    if (result != 0)
+        qFatal("QQnxEglWindow: failed to set window alpha usage, errno=%d", errno);
+
     m_requestedBufferSize = screen()->rootWindow() == this ?
                             screen()->geometry().size() : window->geometry().size();
 }

diff --git a/src/plugins/platforms/qnx/qqnxrasterwindow.cpp b/src/plugins/platforms/qnx/qqnxrasterwindow.cpp
@@ -60,6 +60,12 @@ QQnxRasterWindow::QQnxRasterWindow(QWindow *window, screen_context_t context, bo
     m_previousBufferIndex(-1)
 {
     initWindow();
+
+    // Set window usage
+    const int val = SCREEN_USAGE_NATIVE | SCREEN_USAGE_READ | SCREEN_USAGE_WRITE;
+    const int result = screen_set_window_property_iv(nativeHandle(), SCREEN_PROPERTY_USAGE, &val);
+    if (result != 0)
+        qFatal("QQnxEglWindow: failed to set window alpha usage, errno=%d", errno);
 }
 
 void QQnxRasterWindow::post(const QRegion &dirty)