Delete most of rendering/compositing.

sky/engine/platform/graphics/GraphicsLayer.cpp

Index: sky/engine/platform/graphics/GraphicsLayer.cpp
diff --git a/sky/engine/platform/graphics/GraphicsLayer.cpp b/sky/engine/platform/graphics/GraphicsLayer.cpp
index 9ddb8224a0b25f72d7b544d58c9c049b4a5e7d9a..42ed3b6304bef95a0e5a8757db2885be02a943d8 100644
--- a/sky/engine/platform/graphics/GraphicsLayer.cpp
+++ b/sky/engine/platform/graphics/GraphicsLayer.cpp
@@ -426,215 +426,6 @@ void GraphicsLayer::addRepaintRect(const FloatRect& repaintRect)
     }
 }
 
-static bool compareFloatRects(const FloatRect& a, const FloatRect& b)
-{
-    if (a.x() != b.x())
-        return a.x() > b.x();
-    if (a.y() != b.y())
-        return a.y() > b.y();
-    if (a.width() != b.width())
-        return a.width() > b.width();
-    return a.height() > b.height();
-}
-
-template <typename T>
-static PassRefPtr<JSONArray> pointAsJSONArray(const T& point)
-{
-    RefPtr<JSONArray> array = adoptRef(new JSONArray);
-    array->pushNumber(point.x());
-    array->pushNumber(point.y());
-    return array;
-}
-
-template <typename T>
-static PassRefPtr<JSONArray> sizeAsJSONArray(const T& size)
-{
-    RefPtr<JSONArray> array = adoptRef(new JSONArray);
-    array->pushNumber(size.width());
-    array->pushNumber(size.height());
-    return array;
-}
-
-template <typename T>
-static PassRefPtr<JSONArray> rectAsJSONArray(const T& rect)
-{
-    RefPtr<JSONArray> array = adoptRef(new JSONArray);
-    array->pushNumber(rect.x());
-    array->pushNumber(rect.y());
-    array->pushNumber(rect.width());
-    array->pushNumber(rect.height());
-    return array;
-}
-
-static double roundCloseToZero(double number)
-{
-    return std::abs(number) < 1e-7 ? 0 : number;
-}
-
-static PassRefPtr<JSONArray> transformAsJSONArray(const TransformationMatrix& t)
-{
-    RefPtr<JSONArray> array = adoptRef(new JSONArray);
-    {
-        RefPtr<JSONArray> row = adoptRef(new JSONArray);
-        row->pushNumber(roundCloseToZero(t.m11()));
-        row->pushNumber(roundCloseToZero(t.m12()));
-        row->pushNumber(roundCloseToZero(t.m13()));
-        row->pushNumber(roundCloseToZero(t.m14()));
-        array->pushArray(row);
-    }
-    {
-        RefPtr<JSONArray> row = adoptRef(new JSONArray);
-        row->pushNumber(roundCloseToZero(t.m21()));
-        row->pushNumber(roundCloseToZero(t.m22()));
-        row->pushNumber(roundCloseToZero(t.m23()));
-        row->pushNumber(roundCloseToZero(t.m24()));
-        array->pushArray(row);
-    }
-    {
-        RefPtr<JSONArray> row = adoptRef(new JSONArray);
-        row->pushNumber(roundCloseToZero(t.m31()));
-        row->pushNumber(roundCloseToZero(t.m32()));
-        row->pushNumber(roundCloseToZero(t.m33()));
-        row->pushNumber(roundCloseToZero(t.m34()));
-        array->pushArray(row);
-    }
-    {
-        RefPtr<JSONArray> row = adoptRef(new JSONArray);
-        row->pushNumber(roundCloseToZero(t.m41()));
-        row->pushNumber(roundCloseToZero(t.m42()));
-        row->pushNumber(roundCloseToZero(t.m43()));
-        row->pushNumber(roundCloseToZero(t.m44()));
-        array->pushArray(row);
-    }
-    return array;
-}
-
-static String pointerAsString(const void* ptr)
-{
-    TextStream ts;
-    ts << ptr;
-    return ts.release();
-}
-
-PassRefPtr<JSONObject> GraphicsLayer::layerTreeAsJSON(LayerTreeFlags flags, RenderingContextMap& renderingContextMap) const
-{
-    RefPtr<JSONObject> json = adoptRef(new JSONObject);
-
-    if (flags & LayerTreeIncludesDebugInfo) {
-        json->setString("this", pointerAsString(this));
-        json->setString("debugName", m_client->debugName(this));
-    }
-
-    if (m_position != FloatPoint())
-        json->setArray("position", pointAsJSONArray(m_position));
-
-    if (m_hasTransformOrigin && m_transformOrigin != FloatPoint3D(m_size.width() * 0.5f, m_size.height() * 0.5f, 0))
-        json->setArray("transformOrigin", pointAsJSONArray(m_transformOrigin));
-
-    if (m_size != IntSize())
-        json->setArray("bounds", sizeAsJSONArray(m_size));
-
-    if (m_opacity != 1)
-        json->setNumber("opacity", m_opacity);
-
-    if (m_blendMode != WebBlendModeNormal)
-        json->setString("blendMode", compositeOperatorName(CompositeSourceOver, m_blendMode));
-
-    if (m_contentsOpaque)
-        json->setBoolean("contentsOpaque", m_contentsOpaque);
-
-    if (!m_shouldFlattenTransform)
-        json->setBoolean("shouldFlattenTransform", m_shouldFlattenTransform);
-
-    if (m_3dRenderingContext) {
-        RenderingContextMap::const_iterator it = renderingContextMap.find(m_3dRenderingContext);
-        int contextId = renderingContextMap.size() + 1;
-        if (it == renderingContextMap.end())
-            renderingContextMap.set(m_3dRenderingContext, contextId);
-        else
-            contextId = it->value;
-
-        json->setNumber("3dRenderingContext", contextId);
-    }
-
-    if (m_drawsContent)
-        json->setBoolean("drawsContent", m_drawsContent);
-
-    if (!m_contentsVisible)
-        json->setBoolean("contentsVisible", m_contentsVisible);
-
-    if (!m_backfaceVisibility)
-        json->setString("backfaceVisibility", m_backfaceVisibility ? "visible" : "hidden");
-
-    if (flags & LayerTreeIncludesDebugInfo)
-        json->setString("client", pointerAsString(m_client));
-
-    if (m_backgroundColor.alpha())
-        json->setString("backgroundColor", m_backgroundColor.nameForRenderTreeAsText());
-
-    if (!m_transform.isIdentity())
-        json->setArray("transform", transformAsJSONArray(m_transform));
-
-    if ((flags & LayerTreeIncludesPaintInvalidationRects) && repaintRectMap().contains(this) && !repaintRectMap().get(this).isEmpty()) {
-        Vector<FloatRect> repaintRectsCopy = repaintRectMap().get(this);
-        std::sort(repaintRectsCopy.begin(), repaintRectsCopy.end(), &compareFloatRects);
-        RefPtr<JSONArray> repaintRectsJSON = adoptRef(new JSONArray);
-        for (size_t i = 0; i < repaintRectsCopy.size(); ++i) {
-            if (repaintRectsCopy[i].isEmpty())
-                continue;
-            repaintRectsJSON->pushArray(rectAsJSONArray(repaintRectsCopy[i]));
-        }
-        json->setArray("repaintRects", repaintRectsJSON);
-    }
-
-    if ((flags & LayerTreeIncludesPaintingPhases) && m_paintingPhase) {
-        RefPtr<JSONArray> paintingPhasesJSON = adoptRef(new JSONArray);
-        if (m_paintingPhase & GraphicsLayerPaintBackground)
-            paintingPhasesJSON->pushString("GraphicsLayerPaintBackground");
-        if (m_paintingPhase & GraphicsLayerPaintForeground)
-            paintingPhasesJSON->pushString("GraphicsLayerPaintForeground");
-        if (m_paintingPhase & GraphicsLayerPaintMask)
-            paintingPhasesJSON->pushString("GraphicsLayerPaintMask");
-        if (m_paintingPhase & GraphicsLayerPaintChildClippingMask)
-            paintingPhasesJSON->pushString("GraphicsLayerPaintChildClippingMask");
-        if (m_paintingPhase & GraphicsLayerPaintOverflowContents)
-            paintingPhasesJSON->pushString("GraphicsLayerPaintOverflowContents");
-        json->setArray("paintingPhases", paintingPhasesJSON);
-    }
-
-    if (flags & LayerTreeIncludesClipAndScrollParents) {
-        if (m_hasScrollParent)
-            json->setBoolean("hasScrollParent", true);
-        if (m_hasClipParent)
-            json->setBoolean("hasClipParent", true);
-    }
-
-    if (flags & LayerTreeIncludesDebugInfo) {
-        RefPtr<JSONArray> compositingReasonsJSON = adoptRef(new JSONArray);
-        for (size_t i = 0; i < kNumberOfCompositingReasons; ++i) {
-            if (m_debugInfo.compositingReasons() & kCompositingReasonStringMap[i].reason)
-                compositingReasonsJSON->pushString(kCompositingReasonStringMap[i].description);
-        }
-        json->setArray("compositingReasons", compositingReasonsJSON);
-    }
-
-    if (m_children.size()) {
-        RefPtr<JSONArray> childrenJSON = adoptRef(new JSONArray);
-        for (size_t i = 0; i < m_children.size(); i++)
-            childrenJSON->pushObject(m_children[i]->layerTreeAsJSON(flags, renderingContextMap));
-        json->setArray("children", childrenJSON);
-    }
-
-    return json;
-}
-
-String GraphicsLayer::layerTreeAsText(LayerTreeFlags flags) const
-{
-    RenderingContextMap renderingContextMap;
-    RefPtr<JSONObject> json = layerTreeAsJSON(flags, renderingContextMap);
-    return json->toPrettyJSONString();
-}
-
 String GraphicsLayer::debugName(WebLayer* webLayer) const
 {
     String name;
@@ -988,14 +779,3 @@ void GraphicsLayer::didScroll()
 }
 
 } // namespace blink
-
-#ifndef NDEBUG
-void showGraphicsLayerTree(const blink::GraphicsLayer* layer)
-{
-    if (!layer)
-        return;
-
-    String output = layer->layerTreeAsText(blink::LayerTreeIncludesDebugInfo);
-    fprintf(stderr, "%s\n", output.utf8().data());
-}
-#endif