4 files changed, 34 insertions, 1 deletions
diff --git a/libs/hwui/renderthread/CanvasContext.cpp b/libs/hwui/renderthread/CanvasContext.cpp
index 017fb56..fa82627 100644
--- a/libs/hwui/renderthread/CanvasContext.cpp
+++ b/libs/hwui/renderthread/CanvasContext.cpp
@@ -82,6 +82,8 @@ public:
     // Returns true on success, false on failure
     void initialize();
 
+    bool hasContext();
+
     void usePBufferSurface();
     EGLSurface createSurface(EGLNativeWindowType window);
     void destroySurface(EGLSurface surface);
@@ -138,7 +140,7 @@ GlobalContext::GlobalContext()
 }
 
 void GlobalContext::initialize() {
-    if (mEglDisplay != EGL_NO_DISPLAY) return;
+    if (hasContext()) return;
 
     mEglDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
     LOG_ALWAYS_FATAL_IF(mEglDisplay == EGL_NO_DISPLAY,
@@ -157,6 +159,10 @@ void GlobalContext::initialize() {
     initAtlas();
 }
 
+bool GlobalContext::hasContext() {
+    return mEglDisplay != EGL_NO_DISPLAY;
+}
+
 void GlobalContext::loadConfig() {
     EGLint swapBehavior = mCanSetDirtyRegions ? EGL_SWAP_BEHAVIOR_PRESERVED_BIT : 0;
     EGLint attribs[] = {
@@ -440,6 +446,15 @@ void CanvasContext::detachFunctor(Functor* functor) {
     mCanvas->detachFunctor(functor);
 }
 
+void CanvasContext::invokeFunctor(Functor* functor) {
+    DrawGlInfo::Mode mode = DrawGlInfo::kModeProcessNoContext;
+    if (mGlobalContext->hasContext()) {
+        requireGlContext();
+        mode = DrawGlInfo::kModeProcess;
+    }
+    (*functor)(mode, NULL);
+}
+
 void CanvasContext::invokeFunctors() {
     mInvokeFunctorsPending = false;
 
diff --git a/libs/hwui/renderthread/CanvasContext.h b/libs/hwui/renderthread/CanvasContext.h
index 746c1bf..eb9096d 100644
--- a/libs/hwui/renderthread/CanvasContext.h
+++ b/libs/hwui/renderthread/CanvasContext.h
@@ -72,6 +72,7 @@ public:
 
     void attachFunctor(Functor* functor);
     void detachFunctor(Functor* functor);
+    void invokeFunctor(Functor* functor);
 
     void runWithGlContext(RenderTask* task);
 
diff --git a/libs/hwui/renderthread/RenderProxy.cpp b/libs/hwui/renderthread/RenderProxy.cpp
index 16b93c3..cd711b0 100644
--- a/libs/hwui/renderthread/RenderProxy.cpp
+++ b/libs/hwui/renderthread/RenderProxy.cpp
@@ -167,6 +167,22 @@ void RenderProxy::detachFunctor(Functor* functor) {
     post(task);
 }
 
+CREATE_BRIDGE2(invokeFunctor, CanvasContext* context, Functor* functor) {
+    args->context->invokeFunctor(args->functor);
+    return NULL;
+}
+
+void RenderProxy::invokeFunctor(Functor* functor, bool waitForCompletion) {
+    SETUP_TASK(invokeFunctor);
+    args->context = mContext;
+    args->functor = functor;
+    if (waitForCompletion) {
+        postAndWait(task);
+    } else {
+        post(task);
+    }
+}
+
 CREATE_BRIDGE2(runWithGlContext, CanvasContext* context, RenderTask* task) {
     args->context->runWithGlContext(args->task);
     return NULL;
diff --git a/libs/hwui/renderthread/RenderProxy.h b/libs/hwui/renderthread/RenderProxy.h
index ee7a4c7..f1ca534 100644
--- a/libs/hwui/renderthread/RenderProxy.h
+++ b/libs/hwui/renderthread/RenderProxy.h
@@ -69,6 +69,7 @@ public:
 
     ANDROID_API void attachFunctor(Functor* functor);
     ANDROID_API void detachFunctor(Functor* functor);
+    ANDROID_API void invokeFunctor(Functor* functor, bool waitForCompletion);
 
     ANDROID_API void runWithGlContext(RenderTask* task);