Asynchronous texture loading on the rendering thread.

Split the textures up into 64x64 chunks and only process
textures for a few ms prior to each frame...

1 files changed, 11 insertions, 2 deletions

diff --git a/src/scenegraph/coreapi/qsgtexturemanager.h b/src/scenegraph/coreapi/qsgtexturemanager.h
index ef0c910..46979a2 100644
--- a/src/scenegraph/coreapi/qsgtexturemanager.h
+++ b/src/scenegraph/coreapi/qsgtexturemanager.h
@@ -43,6 +43,7 @@
 #define QSGTEXTUREMANAGER_H
 
 #include "qmlscene_global.h"
+#include "qsgcontext.h"
 
 #include <QObject>
 #include <QImage>
@@ -159,15 +160,23 @@ private:
 };
 
 
-class QT_SCENEGRAPH_EXPORT QSGTextureManager
+class QT_SCENEGRAPH_EXPORT QSGTextureManager : public QObject
 {
+    Q_OBJECT
+
 public:
     QSGTextureManager();
 
+    virtual void setContext(QSGContext *context);
+    QSGContext *context() const;
+
     virtual QSGTextureRef upload(const QImage &image);
     virtual QSGTextureRef requestUpload(const QImage &image, const QObject *listener, const char *slot);
 
-    static QImage swizzleBGGRAToRGBA(const QImage &image);
+    static void swizzleBGRAToRGBA(QImage *image);
+
+private slots:
+    void processAsyncTextures();
 
 private:
     QSGTextureManagerPrivate *d;