[SCM] WebKit Debian packaging branch, debian/experimental, updated. upstream/1.3.3-9427-gc2be6fc

[vangelis at chromium.org]

The following commit has been merged in the debian/experimental branch:
commit 58a2b03df9858a730c07ea21f90140bc5ebc48f5
Author: vangelis at chromium.org <vangelis at chromium.org@268f45cc-cd09-0410-ab3c-d52691b4dbfc>
Date:   Tue Sep 21 17:51:21 2010 +0000

    2010-09-21  Vangelis Kokkevis  <vangelis at chromium.org>
    
            Reviewed by Kenneth Russell.
    
            [chromium] Fixing double translation of composited layers when scrolling.
            The scrolling transform is now applied by a separate layer maintained in
            the RenderLayerCompositor.
            https://bugs.webkit.org/show_bug.cgi?id=46193
    
            * platform/graphics/chromium/LayerRendererChromium.cpp:
            (WebCore::LayerRendererChromium::drawLayers):
    
    
    git-svn-id: http://svn.webkit.org/repository/webkit/trunk@67966 268f45cc-cd09-0410-ab3c-d52691b4dbfc

diff --git a/WebCore/ChangeLog b/WebCore/ChangeLog
index 1108d57..712db61 100644
--- a/WebCore/ChangeLog
+++ b/WebCore/ChangeLog
@@ -1,3 +1,15 @@
+2010-09-21  Vangelis Kokkevis  <vangelis at chromium.org>
+
+        Reviewed by Kenneth Russell.
+
+        [chromium] Fixing double translation of composited layers when scrolling.
+        The scrolling transform is now applied by a separate layer maintained in
+        the RenderLayerCompositor.
+        https://bugs.webkit.org/show_bug.cgi?id=46193
+
+        * platform/graphics/chromium/LayerRendererChromium.cpp:
+        (WebCore::LayerRendererChromium::drawLayers):
+
 2010-09-21  David Hyatt  <hyatt at apple.com>
 
         Reviewed by Dan Bernstein.
diff --git a/WebCore/platform/graphics/chromium/LayerRendererChromium.cpp b/WebCore/platform/graphics/chromium/LayerRendererChromium.cpp
index 116a15d..fdf1e0f 100644
--- a/WebCore/platform/graphics/chromium/LayerRendererChromium.cpp
+++ b/WebCore/platform/graphics/chromium/LayerRendererChromium.cpp
@@ -306,16 +306,13 @@ void LayerRendererChromium::drawLayers(const IntRect& visibleRect, const IntRect
     // Set the rootVisibleRect --- used by subsequent drawLayers calls
     m_rootVisibleRect = visibleRect;
 
-    // Translate all the composited layers by the scroll position.
-    TransformationMatrix matrix;
-    matrix.translate3d(-m_scrollPosition.x(), -m_scrollPosition.y(), 0);
-
     // Traverse the layer tree and update the layer transforms.
     float opacity = 1;
     const Vector<RefPtr<LayerChromium> >& sublayers = m_rootLayer->getSublayers();
     size_t i;
+    TransformationMatrix identityMatrix;
     for (i = 0; i < sublayers.size(); i++)
-        updateLayersRecursive(sublayers[i].get(), matrix, opacity);
+        updateLayersRecursive(sublayers[i].get(), identityMatrix, opacity);
 
     // Enable scissoring to avoid rendering composited layers over the scrollbars.
     GLC(m_context, m_context->enable(GraphicsContext3D::SCISSOR_TEST));

-- 
WebKit Debian packaging