Introducing QPlatformSharedGraphicsCache

Interface to provide cross-process caching mechanisms in a platform
plugin. Can be used for shared glyph caches and icon caches etc.

Change-Id: If0d89a0a50bbd6eee05daf908448262ff270fc5b
Reviewed-by: Jiang Jiang <jiang.jiang@nokia.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/src/gui/kernel/qplatformintegration_qpa.h b/src/gui/kernel/qplatformintegration_qpa.h
index 3975d82288..3043ba801d 100644
--- a/src/gui/kernel/qplatformintegration_qpa.h
+++ b/src/gui/kernel/qplatformintegration_qpa.h
@@ -65,6 +65,8 @@ class QAbstractEventDispatcher;
 class QPlatformInputContext;
 class QPlatformAccessibility;
 class QPlatformTheme;
+class QPlatformDialogHelper;
+class QPlatformSharedGraphicsCache;
 
 class Q_GUI_EXPORT QPlatformIntegration
 {
@@ -72,7 +74,8 @@ public:
     enum Capability {
         ThreadedPixmaps = 1,
         OpenGL = 2,
-        ThreadedOpenGL = 3
+        ThreadedOpenGL = 3,
+        SharedGraphicsCache = 4
     };
 
     virtual ~QPlatformIntegration() { }
@@ -83,6 +86,7 @@ public:
     virtual QPlatformWindow *createPlatformWindow(QWindow *window) const = 0;
     virtual QPlatformBackingStore *createPlatformBackingStore(QWindow *window) const = 0;
     virtual QPlatformOpenGLContext *createPlatformOpenGLContext(QOpenGLContext *context) const;
+    virtual QPlatformSharedGraphicsCache *createPlatformSharedGraphicsCache(const char *cacheId) const;
 
 // Event dispatcher:
     virtual QAbstractEventDispatcher *guiThreadEventDispatcher() const = 0;