commit 6246d27813f25b85f6e4b5cb1121fe8484bcce2d
author Chris Craik <ccraik@google.com> Tue Mar 29 15:01:41 2016 -0700
committer Chris Craik <ccraik@google.com> Tue Mar 29 16:50:32 2016 -0700
tree 404d22648cb87d218312937f3ad8cf8fb68da7be
parent af64f6341bdbca93aff3d68264af48e74faa9e58

Support buildLayer in new pipeline

bug:26561995
bug:27620686

Change-Id: I6c39f9a077e7e6002d3c01b8888238fd17b0f02a

libs/hwui/renderthread/CanvasContext.cpp

diff --git a/libs/hwui/renderthread/CanvasContext.cpp b/libs/hwui/renderthread/CanvasContext.cpp
index eee5278..6933b2f 100644
--- a/libs/hwui/renderthread/CanvasContext.cpp
+++ b/libs/hwui/renderthread/CanvasContext.cpp
@@ -86,10 +86,12 @@
     freePrefetechedLayers();
     destroyHardwareResources();
     mAnimationContext->destroy();
+#if !HWUI_NEW_OPS
     if (mCanvas) {
         delete mCanvas;
         mCanvas = nullptr;
     }
+#endif
 }
 
 void CanvasContext::setSurface(Surface* surface) {
@@ -587,9 +589,11 @@
 
 void CanvasContext::buildLayer(RenderNode* node) {
     ATRACE_CALL();
-    if (!mEglManager.hasEglContext() || !mCanvas) {
-        return;
-    }
+    if (!mEglManager.hasEglContext()) return;
+#if !HWUI_NEW_OPS
+    if (!mCanvas) return;
+#endif
+
     // buildLayer() will leave the tree in an unknown state, so we must stop drawing
     stopDrawing();
 
@@ -609,7 +613,15 @@
     node->setPropertyFieldsDirty(RenderNode::GENERIC);
 
 #if HWUI_NEW_OPS
-    // TODO: support buildLayer
+    static const std::vector< sp<RenderNode> > emptyNodeList;
+    auto& caches = Caches::getInstance();
+    FrameBuilder frameBuilder(mLayerUpdateQueue, SkRect::MakeWH(1, 1), 1, 1,
+            emptyNodeList, mLightGeometry, mContentDrawBounds, caches);
+    mLayerUpdateQueue.clear();
+    BakedOpRenderer renderer(caches, mRenderThread.renderState(),
+            mOpaque, mLightInfo);
+    LOG_ALWAYS_FATAL_IF(renderer.didDraw(), "shouldn't draw in buildlayer case");
+    frameBuilder.replayBakedOps<BakedOpDispatcher>(renderer);
 #else
     mCanvas->markLayersAsBuildLayers();
     mCanvas->flushLayerUpdates();

libs/hwui/renderthread/CanvasContext.h

diff --git a/libs/hwui/renderthread/CanvasContext.h b/libs/hwui/renderthread/CanvasContext.h
index 6706c30..6d0889e 100644
--- a/libs/hwui/renderthread/CanvasContext.h
+++ b/libs/hwui/renderthread/CanvasContext.h
@@ -196,10 +196,11 @@
     RingBuffer<SwapHistory, 3> mSwapHistory;
 
     bool mOpaque;
-    OpenGLRenderer* mCanvas = nullptr;
 #if HWUI_NEW_OPS
     BakedOpRenderer::LightInfo mLightInfo;
     FrameBuilder::LightGeometry mLightGeometry = { {0, 0, 0}, 0 };
+#else
+    OpenGLRenderer* mCanvas = nullptr;
 #endif
 
     bool mHaveNewSurface = false;