Add SurfaceControl to hwui

add a method, setSurfaceControl, for java layer to pass surface control to the render thread

Bug: 173671170
Test: call setSurfaceControl method in ViewRootImpl.java
Change-Id: I886a79c377938f19cf38b9058f2bec64e1439000

1 files changed, 14 insertions, 0 deletions

diff --git a/libs/hwui/renderthread/CanvasContext.cpp b/libs/hwui/renderthread/CanvasContext.cpp
index 65afcc3a2558..9543d47640e6 100644
--- a/libs/hwui/renderthread/CanvasContext.cpp
+++ b/libs/hwui/renderthread/CanvasContext.cpp
@@ -133,6 +133,7 @@ void CanvasContext::removeRenderNode(RenderNode* node) {
 void CanvasContext::destroy() {
     stopDrawing();
     setSurface(nullptr);
+    setSurfaceControl(nullptr);
     freePrefetchedLayers();
     destroyHardwareResources();
     mAnimationContext->destroy();
@@ -173,6 +174,19 @@ void CanvasContext::setSurface(ANativeWindow* window, bool enableTimeout) {
     setupPipelineSurface();
 }
 
+void CanvasContext::setSurfaceControl(ASurfaceControl* surfaceControl) {
+    if (surfaceControl == mSurfaceControl) return;
+
+    auto funcs = mRenderThread.getASurfaceControlFunctions();
+    if (mSurfaceControl != nullptr) {
+        funcs.releaseFunc(mSurfaceControl);
+    }
+    mSurfaceControl = surfaceControl;
+    if (mSurfaceControl != nullptr) {
+        funcs.acquireFunc(mSurfaceControl);
+    }
+}
+
 void CanvasContext::setupPipelineSurface() {
     bool hasSurface = mRenderPipeline->setSurface(
             mNativeSurface ? mNativeSurface->getNativeWindow() : nullptr, mSwapBehavior);