straighten xrender shadow implementation

did not publish function & enum in the baseclass, but inlined the accessor

REVIEW: 103232
(cherry picked from commit ecfa39ac3ca1c9823a6b320ff0f7a60ab32f0418)

scene_xrender.cpp

@@ -707,7 +707,7 @@ void SceneXrender::Window::performPaint(int mask, QRegion region, WindowPaintDat
     for (PaintClipper::Iterator iterator; !iterator.isDone(); iterator.next()) {
 
 #define RENDER_SHADOW_TILE(_TILE_, _RECT_) \
-XRenderComposite(display(), PictOpOver, m_xrenderShadow->x11ShadowPictureHandle(WindowQuadShadow##_TILE_), \
+XRenderComposite(display(), PictOpOver, m_xrenderShadow->shadowPixmap(SceneXRenderShadow::ShadowElement##_TILE_).x11PictureHandle(), \
                  shadowAlpha, renderTarget, 0, 0, 0, 0, _RECT_.x(), _RECT_.y(), _RECT_.width(), _RECT_.height())
 
         //shadow
@@ -954,30 +954,6 @@ SceneXRenderShadow::~SceneXRenderShadow()
 {
 }
 
-Qt::HANDLE SceneXRenderShadow::x11ShadowPictureHandle(WindowQuadType type)
-{
-    switch (type) {
-    case WindowQuadShadowTopRight:
-        return resizedShadowPixmap(ShadowElementTopRight).x11PictureHandle();
-    case WindowQuadShadowTop:
-        return resizedShadowPixmap(ShadowElementTop).x11PictureHandle();
-    case WindowQuadShadowTopLeft:
-        return resizedShadowPixmap(ShadowElementTopLeft).x11PictureHandle();
-    case WindowQuadShadowLeft:
-        return resizedShadowPixmap(ShadowElementLeft).x11PictureHandle();
-    case WindowQuadShadowBottomLeft:
-        return resizedShadowPixmap(ShadowElementBottomLeft).x11PictureHandle();
-    case WindowQuadShadowBottom:
-        return resizedShadowPixmap(ShadowElementBottom).x11PictureHandle();
-    case WindowQuadShadowBottomRight:
-        return resizedShadowPixmap(ShadowElementBottomRight).x11PictureHandle();
-    case WindowQuadShadowRight:
-        return resizedShadowPixmap(ShadowElementRight).x11PictureHandle();
-    default:
-        return 0;
-    }
-}
-
 void SceneXRenderShadow::layoutShadowRects(QRect& top, QRect& topRight,
                                            QRect& right, QRect& bottomRight,
                                            QRect& bottom, QRect& bottomLeft,
@@ -1019,18 +995,10 @@ void SceneXRenderShadow::buildQuads()
     QRect stlr, str, strr, srr, sbrr, sbr, sblr, slr;
     layoutShadowRects(str, strr, srr, sbrr, sbr, sblr, slr, stlr);
 
-    m_resizedElements[ShadowElementTop] = shadowPixmap(ShadowElementTop);//.scaled(str.size());
-    m_resizedElements[ShadowElementTopLeft] = shadowPixmap(ShadowElementTopLeft);//.scaled(stlr.size());
-    m_resizedElements[ShadowElementTopRight] = shadowPixmap(ShadowElementTopRight);//.scaled(strr.size());
-    m_resizedElements[ShadowElementLeft] = shadowPixmap(ShadowElementLeft);//.scaled(slr.size());
-    m_resizedElements[ShadowElementRight] = shadowPixmap(ShadowElementRight);//.scaled(srr.size());
-    m_resizedElements[ShadowElementBottom] = shadowPixmap(ShadowElementBottom);//.scaled(sbr.size());
-    m_resizedElements[ShadowElementBottomLeft] = shadowPixmap(ShadowElementBottomLeft);//.scaled(sblr.size());
-    m_resizedElements[ShadowElementBottomRight] = shadowPixmap(ShadowElementBottomRight);//.scaled(sbrr.size());
     XRenderPictureAttributes attr;
     attr.repeat = True;
     for (int i = 0; i < ShadowElementsCount; ++i) {
-        XRenderChangePicture(display(), m_resizedElements[i].x11PictureHandle(), CPRepeat, &attr);
+        XRenderChangePicture(display(), shadowPixmap((Shadow::ShadowElements)i).x11PictureHandle(), CPRepeat, &attr);
     }
 
 }

scene_xrender.h

@@ -150,26 +150,29 @@ class SceneXRenderShadow
 {
 public:
     SceneXRenderShadow(Toplevel *toplevel);
+    using Shadow::ShadowElements;
+    using Shadow::ShadowElementTop;
+    using Shadow::ShadowElementTopRight;
+    using Shadow::ShadowElementRight;
+    using Shadow::ShadowElementBottomRight;
+    using Shadow::ShadowElementBottom;
+    using Shadow::ShadowElementBottomLeft;
+    using Shadow::ShadowElementLeft;
+    using Shadow::ShadowElementTopLeft;
+    using Shadow::ShadowElementsCount;
+    using Shadow::shadowPixmap;
     virtual ~SceneXRenderShadow();
 
-    Qt::HANDLE x11ShadowPictureHandle(WindowQuadType);
     void layoutShadowRects(QRect& top, QRect& topRight,
                            QRect& right, QRect& bottomRight,
                            QRect& bottom, QRect& bottomLeft,
                            QRect& Left, QRect& topLeft);
 
-    const QPixmap &resizedShadowPixmap(ShadowElements element) const {
-        return m_resizedElements[element];
-    };
-
 protected:
     virtual void buildQuads();
     virtual bool prepareBackend() {
         return true;
     };
-
-private:
-    QPixmap m_resizedElements[ShadowElementsCount];
 };
 
 } // namespace

shadow.h

@@ -112,9 +112,11 @@ protected:
         ShadowElementTopLeft,
         ShadowElementsCount
     };
-    const QPixmap &shadowPixmap(ShadowElements element) const {
+
+    inline const QPixmap &shadowPixmap(ShadowElements element) const {
         return m_shadowElements[element];
     };
+
     int topOffset() const {
         return m_topOffset;
     };