1 files changed, 4 insertions, 66 deletions

diff --git a/services/surfaceflinger/LayerRenderArea.cpp b/services/surfaceflinger/LayerRenderArea.cpp
index 51d4ff854f..f323ce7284 100644
--- a/services/surfaceflinger/LayerRenderArea.cpp
+++ b/services/surfaceflinger/LayerRenderArea.cpp
@@ -24,31 +24,18 @@
 #include "SurfaceFlinger.h"
 
 namespace android {
-namespace {
 
-void reparentForDrawing(const sp<Layer>& oldParent, const sp<Layer>& newParent,
-                   const Rect& drawingBounds) {
-        // Compute and cache the bounds for the new parent layer.
-        newParent->computeBounds(drawingBounds.toFloatRect(), ui::Transform(),
-            0.f /* shadowRadius */);
-        newParent->updateSnapshot(true /* updateGeometry */);
-        oldParent->setChildrenDrawingParent(newParent);
-};
-
-} // namespace
-
-LayerRenderArea::LayerRenderArea(SurfaceFlinger& flinger, sp<Layer> layer, const Rect& crop,
-                                 ui::Size reqSize, ui::Dataspace reqDataSpace, bool childrenOnly,
+LayerRenderArea::LayerRenderArea(sp<Layer> layer, frontend::LayerSnapshot layerSnapshot,
+                                 const Rect& crop, ui::Size reqSize, ui::Dataspace reqDataSpace,
                                  bool allowSecureLayers, const ui::Transform& layerTransform,
                                  const Rect& layerBufferSize, bool hintForSeamlessTransition)
       : RenderArea(reqSize, CaptureFill::CLEAR, reqDataSpace, hintForSeamlessTransition,
                    allowSecureLayers),
         mLayer(std::move(layer)),
-        mLayerTransform(layerTransform),
+        mLayerSnapshot(std::move(layerSnapshot)),
         mLayerBufferSize(layerBufferSize),
         mCrop(crop),
-        mFlinger(flinger),
-        mChildrenOnly(childrenOnly) {}
+        mTransform(layerTransform) {}
 
 const ui::Transform& LayerRenderArea::getTransform() const {
     return mTransform;
@@ -71,53 +58,4 @@ Rect LayerRenderArea::getSourceCrop() const {
     }
 }
 
-void LayerRenderArea::render(std::function<void()> drawLayers) {
-    using namespace std::string_literals;
-
-    if (!mChildrenOnly) {
-        mTransform = mLayerTransform.inverse();
-    }
-
-    if (mFlinger.mLayerLifecycleManagerEnabled) {
-        drawLayers();
-        return;
-    }
-    // If layer is offscreen, update mirroring info if it exists
-    if (mLayer->isRemovedFromCurrentState()) {
-        mLayer->traverse(LayerVector::StateSet::Drawing,
-                         [&](Layer* layer) { layer->updateMirrorInfo({}); });
-        mLayer->traverse(LayerVector::StateSet::Drawing,
-                         [&](Layer* layer) { layer->updateCloneBufferInfo(); });
-    }
-
-    if (!mChildrenOnly) {
-        // If the layer is offscreen, compute bounds since we don't compute bounds for offscreen
-        // layers in a regular cycles.
-        if (mLayer->isRemovedFromCurrentState()) {
-            FloatRect maxBounds = mFlinger.getMaxDisplayBounds();
-            mLayer->computeBounds(maxBounds, ui::Transform(), 0.f /* shadowRadius */);
-        }
-        drawLayers();
-    } else {
-        // In the "childrenOnly" case we reparent the children to a screenshot
-        // layer which has no properties set and which does not draw.
-        //  We hold the statelock as the reparent-for-drawing operation modifies the
-        //  hierarchy and there could be readers on Binder threads, like dump.
-        auto screenshotParentLayer = mFlinger.getFactory().createEffectLayer(
-                {&mFlinger, nullptr, "Screenshot Parent"s, ISurfaceComposerClient::eNoColorFill,
-                 LayerMetadata()});
-        {
-            Mutex::Autolock _l(mFlinger.mStateLock);
-            reparentForDrawing(mLayer, screenshotParentLayer, getSourceCrop());
-        }
-        drawLayers();
-        {
-            Mutex::Autolock _l(mFlinger.mStateLock);
-            mLayer->setChildrenDrawingParent(mLayer);
-        }
-    }
-    mLayer->updateSnapshot(/*updateGeometry=*/true);
-    mLayer->updateChildrenSnapshots(/*updateGeometry=*/true);
-}
-
 } // namespace android