Add support for shared glyph cache

Use a shared graphics cache to back the distance fields if
it is available.

Change-Id: Id5e6e7a28e38e349d787e66016b2d0faebc791d7
Reviewed-by: Jiang Jiang <jiang.jiang@nokia.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/quick/items/qquicktextinput_p_p.h b/src/quick/items/qquicktextinput_p_p.h
index 980bf1dea6..1fc55658e6 100644
--- a/src/quick/items/qquicktextinput_p_p.h
+++ b/src/quick/items/qquicktextinput_p_p.h
@@ -128,6 +128,7 @@ public:
         , m_acceptableInput(1)
         , m_blinkStatus(0)
         , m_passwordEchoEditing(false)
+        , updateType(UpdatePaintNode)
     {
     }
 
@@ -256,6 +257,13 @@ public:
     uint m_blinkStatus : 1;
     uint m_passwordEchoEditing;
 
+    enum UpdateType {
+        UpdateNone,
+        UpdateOnlyPreprocess,
+        UpdatePaintNode
+    };
+    UpdateType updateType;
+
     static inline QQuickTextInputPrivate *get(QQuickTextInput *t) {
         return t->d_func();
     }