Support rotated displays with 15 and 16 bit BGR pixel formats.

To avoid increasing code size for an uncommon case, the code
is #ifdef QT_QWS_ROTATE_BGR

Task-number: 250299
Reviewed-by: Tom

2 files changed, 15 insertions, 0 deletions

diff --git a/src/gui/embedded/qscreentransformed_qws.cpp b/src/gui/embedded/qscreentransformed_qws.cpp
index 46ac1d1b1a..e22ea1f7cf 100644
--- a/src/gui/embedded/qscreentransformed_qws.cpp
+++ b/src/gui/embedded/qscreentransformed_qws.cpp
@@ -400,7 +400,19 @@ void QTransformedScreen::blit(const QImage &image, const QPoint &topLeft,
 #endif
 #if defined(QT_QWS_DEPTH_16) || defined(QT_QWS_DEPTH_15) || defined(QT_QWS_DEPTH_12)
     case 16:
+#if defined QT_QWS_ROTATE_BGR
+        if (pixelType() == BGRPixel && image.depth() == 16) {
+            SET_BLIT_FUNC(qbgr565, quint16, trans, func);
+            break;
+        } //fall-through here!!!
+#endif
     case 15:
+#if defined QT_QWS_ROTATE_BGR
+        if (pixelType() == BGRPixel && image.format() == QImage::Format_RGB555) {
+            SET_BLIT_FUNC(qbgr555, qrgb555, trans, func);
+            break;
+        } //fall-through here!!!
+#endif
     case 12:
         if (image.depth() == 16)
             SET_BLIT_FUNC(quint16, quint16, trans, func);
diff --git a/src/gui/embedded/qscreenvfb_qws.cpp b/src/gui/embedded/qscreenvfb_qws.cpp
index abbe73bd91..accfe1f169 100644
--- a/src/gui/embedded/qscreenvfb_qws.cpp
+++ b/src/gui/embedded/qscreenvfb_qws.cpp
@@ -310,6 +310,9 @@ bool QVFbScreen::connect(const QString &displaySpec)
 
     connected = this;
 
+    if (qgetenv("QT_QVFB_BGR").toInt())
+        pixeltype = BGRPixel;
+
     return true;
 }