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, 12 insertions, 0 deletions

diff --git a/libs/hwui/renderthread/RenderThread.cpp b/libs/hwui/renderthread/RenderThread.cpp
index 7750a31b817f..26101867c43f 100644
--- a/libs/hwui/renderthread/RenderThread.cpp
+++ b/libs/hwui/renderthread/RenderThread.cpp
@@ -33,6 +33,7 @@
 #include <GrContextOptions.h>
 #include <gl/GrGLInterface.h>
 
+#include <dlfcn.h>
 #include <sys/resource.h>
 #include <utils/Condition.h>
 #include <utils/Log.h>
@@ -49,6 +50,17 @@ static bool gHasRenderThreadInstance = false;
 
 static JVMAttachHook gOnStartHook = nullptr;
 
+ASurfaceControlFunctions::ASurfaceControlFunctions() {
+    void* handle_ = dlopen("libandroid.so", RTLD_NOW | RTLD_NODELETE);
+    acquireFunc = (ASC_acquire) dlsym(handle_, "ASurfaceControl_acquire");
+    LOG_ALWAYS_FATAL_IF(acquireFunc == nullptr,
+            "Failed to find required symbol ASurfaceControl_acquire!");
+
+    releaseFunc = (ASC_release) dlsym(handle_, "ASurfaceControl_release");
+    LOG_ALWAYS_FATAL_IF(releaseFunc == nullptr,
+            "Failed to find required symbol ASurfaceControl_release!");
+}
+
 void RenderThread::frameCallback(int64_t frameTimeNanos, void* data) {
     RenderThread* rt = reinterpret_cast<RenderThread*>(data);
     int64_t vsyncId = AChoreographer_getVsyncId(rt->mChoreographer);