diff --git a/libs/renderengine/gl/GLES20RenderEngine.cpp b/libs/renderengine/gl/GLES20RenderEngine.cpp
index 70a4322..e244a83 100644
--- a/libs/renderengine/gl/GLES20RenderEngine.cpp
+++ b/libs/renderengine/gl/GLES20RenderEngine.cpp
@@ -275,6 +275,8 @@
 
     // now figure out what version of GL did we actually get
     // NOTE: a dummy surface is not needed if KHR_create_context is supported
+    // TODO(alecmouri): don't create this surface if EGL_KHR_surfaceless_context
+    // is supported.
 
     EGLConfig dummyConfig = config;
     if (dummyConfig == EGL_NO_CONFIG) {
@@ -301,10 +303,10 @@
             break;
         case GLES_VERSION_2_0:
         case GLES_VERSION_3_0:
-            engine = std::make_unique<GLES20RenderEngine>(featureFlags);
+            engine = std::make_unique<GLES20RenderEngine>(featureFlags, display, config, ctxt,
+                                                          dummy);
             break;
     }
-    engine->setEGLHandles(display, config, ctxt);
 
     ALOGI("OpenGL ES informations:");
     ALOGI("vendor    : %s", extensions.getVendor());
@@ -314,9 +316,6 @@
     ALOGI("GL_MAX_TEXTURE_SIZE = %zu", engine->getMaxTextureSize());
     ALOGI("GL_MAX_VIEWPORT_DIMS = %zu", engine->getMaxViewportDims());
 
-    eglMakeCurrent(display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
-    eglDestroySurface(display, dummy);
-
     return engine;
 }
 
@@ -359,11 +358,13 @@
     return config;
 }
 
-GLES20RenderEngine::GLES20RenderEngine(uint32_t featureFlags)
+GLES20RenderEngine::GLES20RenderEngine(uint32_t featureFlags, EGLDisplay display, EGLConfig config,
+                                       EGLContext ctxt, EGLSurface dummy)
       : renderengine::impl::RenderEngine(featureFlags),
-        mEGLDisplay(EGL_NO_DISPLAY),
-        mEGLConfig(nullptr),
-        mEGLContext(EGL_NO_CONTEXT),
+        mEGLDisplay(display),
+        mEGLConfig(config),
+        mEGLContext(ctxt),
+        mDummySurface(dummy),
         mVpWidth(0),
         mVpHeight(0),
         mUseColorManagement(featureFlags & USE_COLOR_MANAGEMENT) {
@@ -636,12 +637,6 @@
 
     // back to main framebuffer
     glBindFramebuffer(GL_FRAMEBUFFER, 0);
-
-    // Workaround for b/77935566 to force the EGL driver to release the
-    // screenshot buffer
-    setScissor(Rect::EMPTY_RECT);
-    clearWithColor(0.0, 0.0, 0.0, 0.0);
-    disableScissor();
 }
 
 void GLES20RenderEngine::checkErrors() const {
@@ -974,12 +969,6 @@
     return (isInputHdrDataSpace || isOutputHdrDataSpace) && inputTransfer != outputTransfer;
 }
 
-void GLES20RenderEngine::setEGLHandles(EGLDisplay display, EGLConfig config, EGLContext ctxt) {
-    mEGLDisplay = display;
-    mEGLConfig = config;
-    mEGLContext = ctxt;
-}
-
 } // namespace gl
 } // namespace renderengine
 } // namespace android
diff --git a/libs/renderengine/gl/GLES20RenderEngine.h b/libs/renderengine/gl/GLES20RenderEngine.h
index 148df2f..aebb319 100644
--- a/libs/renderengine/gl/GLES20RenderEngine.h
+++ b/libs/renderengine/gl/GLES20RenderEngine.h
@@ -47,7 +47,8 @@
     static std::unique_ptr<GLES20RenderEngine> create(int hwcFormat, uint32_t featureFlags);
     static EGLConfig chooseEglConfig(EGLDisplay display, int format, bool logConfig);
 
-    GLES20RenderEngine(uint32_t featureFlags); // See RenderEngine::FeatureFlag
+    GLES20RenderEngine(uint32_t featureFlags, // See RenderEngine::FeatureFlag
+                       EGLDisplay display, EGLConfig config, EGLContext ctxt, EGLSurface dummy);
     ~GLES20RenderEngine() override;
 
     std::unique_ptr<Framebuffer> createFramebuffer() override;
@@ -120,11 +121,12 @@
     // with PQ or HLG transfer function.
     bool isHdrDataSpace(const ui::Dataspace dataSpace) const;
     bool needsXYZTransformMatrix() const;
-    void setEGLHandles(EGLDisplay display, EGLConfig config, EGLContext ctxt);
+    void setEGLHandles(EGLDisplay display, EGLConfig config, EGLContext ctxt, EGLSurface dummy);
 
     EGLDisplay mEGLDisplay;
     EGLConfig mEGLConfig;
     EGLContext mEGLContext;
+    EGLSurface mDummySurface;
     GLuint mProtectedTexName;
     GLint mMaxViewportDims[2];
     GLint mMaxTextureSize;
diff --git a/services/surfaceflinger/Android.bp b/services/surfaceflinger/Android.bp
index f168db9..9abb040 100644
--- a/services/surfaceflinger/Android.bp
+++ b/services/surfaceflinger/Android.bp
@@ -184,6 +184,7 @@
         "libhidltransport",
         "liblayers_proto",
         "liblog",
+        "libsync",
         "libtimestats_proto",
         "libutils",
     ],
diff --git a/services/surfaceflinger/DisplayDevice.cpp b/services/surfaceflinger/DisplayDevice.cpp
index 5342bcf..d5b24ae 100644
--- a/services/surfaceflinger/DisplayDevice.cpp
+++ b/services/surfaceflinger/DisplayDevice.cpp
@@ -35,6 +35,8 @@
 #include <gui/Surface.h>
 #include <hardware/gralloc.h>
 #include <renderengine/RenderEngine.h>
+#include <sync/sync.h>
+#include <system/window.h>
 #include <ui/DebugUtils.h>
 #include <ui/DisplayInfo.h>
 #include <ui/PixelFormat.h>
@@ -221,6 +223,7 @@
         mDisplayToken(args.displayToken),
         mId(args.displayId),
         mNativeWindow(args.nativeWindow),
+        mGraphicBuffer(nullptr),
         mDisplaySurface(args.displaySurface),
         mSurface{std::move(args.renderSurface)},
         mDisplayInstallOrientation(args.displayInstallOrientation),
@@ -284,6 +287,10 @@
     mHdrCapabilities = HdrCapabilities(types, maxLuminance, maxAverageLuminance, minLuminance);
 
     ANativeWindow* const window = mNativeWindow.get();
+
+    int status = native_window_api_connect(mNativeWindow.get(), NATIVE_WINDOW_API_EGL);
+    ALOGE_IF(status != NO_ERROR, "Unable to connect BQ producer: %d", status);
+
     mDisplayWidth = ANativeWindow_getWidth(window);
     mDisplayHeight = ANativeWindow_getHeight(window);
 
@@ -321,7 +328,6 @@
 
 void DisplayDevice::flip() const
 {
-    mFlinger->getRenderEngine().checkErrors();
     mPageFlipCount++;
 }
 
@@ -356,9 +362,71 @@
     return mDisplaySurface->prepareFrame(compositionType);
 }
 
-void DisplayDevice::swapBuffers(HWComposer& hwc) const {
+sp<GraphicBuffer> DisplayDevice::dequeueBuffer() {
+    int fd;
+    ANativeWindowBuffer* buffer;
+
+    status_t res = mNativeWindow->dequeueBuffer(mNativeWindow.get(), &buffer, &fd);
+
+    if (res != NO_ERROR) {
+        ALOGE("ANativeWindow::dequeueBuffer failed for display [%s] with error: %d",
+              getDisplayName().c_str(), res);
+        // Return fast here as we can't do much more - any rendering we do
+        // now will just be wrong.
+        return mGraphicBuffer;
+    }
+
+    ALOGW_IF(mGraphicBuffer != nullptr, "Clobbering a non-null pointer to a buffer [%p].",
+             mGraphicBuffer->getNativeBuffer()->handle);
+    mGraphicBuffer = GraphicBuffer::from(buffer);
+
+    // Block until the buffer is ready
+    // TODO(alecmouri): it's perhaps more appropriate to block renderengine so
+    // that the gl driver can block instead.
+    if (fd >= 0) {
+        sync_wait(fd, -1);
+        close(fd);
+    }
+
+    return mGraphicBuffer;
+}
+
+void DisplayDevice::queueBuffer(HWComposer& hwc) {
     if (hwc.hasClientComposition(mId) || hwc.hasFlipClientTargetRequest(mId)) {
-        mSurface->swapBuffers();
+        // hasFlipClientTargetRequest could return true even if we haven't
+        // dequeued a buffer before. Try dequeueing one if we don't have a
+        // buffer ready.
+        if (mGraphicBuffer == nullptr) {
+            ALOGI("Attempting to queue a client composited buffer without one "
+                  "previously dequeued for display [%s]. Attempting to dequeue "
+                  "a scratch buffer now",
+                  mDisplayName.c_str());
+            // We shouldn't deadlock here, since mGraphicBuffer == nullptr only
+            // after a successful call to queueBuffer, or if dequeueBuffer has
+            // never been called.
+            dequeueBuffer();
+        }
+
+        if (mGraphicBuffer == nullptr) {
+            ALOGE("No buffer is ready for display [%s]", mDisplayName.c_str());
+        } else {
+            int fd = mBufferReady.release();
+
+            status_t res = mNativeWindow->queueBuffer(mNativeWindow.get(),
+                                                      mGraphicBuffer->getNativeBuffer(), fd);
+            if (res != NO_ERROR) {
+                ALOGE("Error when queueing buffer for display [%s]: %d", mDisplayName.c_str(), res);
+                // We risk blocking on dequeueBuffer if the primary display failed
+                // to queue up its buffer, so crash here.
+                if (isPrimary()) {
+                    LOG_ALWAYS_FATAL("ANativeWindow::queueBuffer failed with error: %d", res);
+                } else {
+                    mNativeWindow->cancelBuffer(mNativeWindow.get(),
+                                                mGraphicBuffer->getNativeBuffer(), fd);
+                }
+            }
+            mGraphicBuffer = nullptr;
+        }
     }
 
     status_t result = mDisplaySurface->advanceFrame();
@@ -367,7 +435,7 @@
     }
 }
 
-void DisplayDevice::onSwapBuffersCompleted() const {
+void DisplayDevice::onPresentDisplayCompleted() {
     mDisplaySurface->onFrameCommitted();
 }
 
@@ -384,6 +452,13 @@
     mFlinger->getRenderEngine().setViewportAndProjection(w, h, sourceCrop, ui::Transform::ROT_0);
 }
 
+void DisplayDevice::finishBuffer() {
+    mBufferReady = mFlinger->getRenderEngine().flush();
+    if (mBufferReady.get() < 0) {
+        mFlinger->getRenderEngine().finish();
+    }
+}
+
 const sp<Fence>& DisplayDevice::getClientTargetAcquireFence() const {
     return mDisplaySurface->getClientTargetAcquireFence();
 }
diff --git a/services/surfaceflinger/DisplayDevice.h b/services/surfaceflinger/DisplayDevice.h
index bcd3330..560a958 100644
--- a/services/surfaceflinger/DisplayDevice.h
+++ b/services/surfaceflinger/DisplayDevice.h
@@ -28,13 +28,14 @@
 #include <gui/LayerState.h>
 #include <hardware/hwcomposer_defs.h>
 #include <math/mat4.h>
+#include <renderengine/RenderEngine.h>
 #include <renderengine/Surface.h>
 #include <ui/GraphicTypes.h>
 #include <ui/HdrCapabilities.h>
 #include <ui/Region.h>
 #include <ui/Transform.h>
-#include <utils/RefBase.h>
 #include <utils/Mutex.h>
+#include <utils/RefBase.h>
 #include <utils/String8.h>
 #include <utils/Timers.h>
 
@@ -146,10 +147,13 @@
                           ui::Dataspace* outDataspace, ui::ColorMode* outMode,
                           ui::RenderIntent* outIntent) const;
 
-    void swapBuffers(HWComposer& hwc) const;
+    // Queues the drawn buffer for consumption by HWC.
+    void queueBuffer(HWComposer& hwc);
+    // Allocates a buffer as scratch space for GPU composition
+    sp<GraphicBuffer> dequeueBuffer();
 
     // called after h/w composer has completed its set() call
-    void onSwapBuffersCompleted() const;
+    void onPresentDisplayCompleted();
 
     Rect getBounds() const {
         return Rect(mDisplayWidth, mDisplayHeight);
@@ -160,6 +164,11 @@
     const std::string& getDisplayName() const { return mDisplayName; }
 
     bool makeCurrent() const;
+    // Acquires a new buffer for GPU composition.
+    void readyNewBuffer();
+    // Marks the current buffer has finished, so that it can be presented and
+    // swapped out.
+    void finishBuffer();
     void setViewportAndProjection() const;
 
     const sp<Fence>& getClientTargetAcquireFence() const;
@@ -204,7 +213,12 @@
 
     // ANativeWindow this display is rendering into
     sp<ANativeWindow> mNativeWindow;
+    // Current buffer that this display can render to.
+    sp<GraphicBuffer> mGraphicBuffer;
     sp<DisplaySurface> mDisplaySurface;
+    // File descriptor indicating that mGraphicBuffer is ready for display, i.e.
+    // that drawing to the buffer is now complete.
+    base::unique_fd mBufferReady;
 
     std::unique_ptr<renderengine::Surface> mSurface;
     int             mDisplayWidth;
diff --git a/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp b/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp
index 27d3dc5..5f3fcd6 100644
--- a/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp
+++ b/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp
@@ -107,8 +107,6 @@
     mConsumer->setConsumerUsageBits(GRALLOC_USAGE_HW_COMPOSER);
     mConsumer->setDefaultBufferSize(sinkWidth, sinkHeight);
     sink->setAsyncMode(true);
-    IGraphicBufferProducer::QueueBufferOutput output;
-    mSource[SOURCE_SCRATCH]->connect(nullptr, NATIVE_WINDOW_API_EGL, false, &output);
 }
 
 VirtualDisplaySurface::~VirtualDisplaySurface() {
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 35ba391..7150660 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -45,6 +45,7 @@
 #include <gui/BufferQueue.h>
 #include <gui/GuiConfig.h>
 #include <gui/IDisplayEventConnection.h>
+#include <gui/IProducerListener.h>
 #include <gui/LayerDebugInfo.h>
 #include <gui/Surface.h>
 #include <renderengine/RenderEngine.h>
@@ -676,10 +677,6 @@
     LOG_ALWAYS_FATAL_IF(!getHwComposer().isConnected(*display->getId()),
                         "Internal display is disconnected.");
 
-    // make the default display GLContext current so that we can create textures
-    // when creating Layers (which may happens before we render something)
-    display->makeCurrent();
-
     if (useVrFlinger) {
         auto vrFlingerRequestDisplayCallback = [this](bool requestDisplay) {
             // This callback is called from the vr flinger dispatch thread. We
@@ -1409,7 +1406,6 @@
     // mCurrentState and mDrawingState and re-apply all changes when we make the
     // transition.
     mDrawingState.displays.clear();
-    getRenderEngine().resetCurrentSurface();
     mDisplays.clear();
 }
 
@@ -1719,7 +1715,7 @@
             auto& engine(getRenderEngine());
             engine.fillRegionWithColor(dirtyRegion, 1, 0, 1, 1);
 
-            display->swapBuffers(getHwComposer());
+            display->queueBuffer(getHwComposer());
         }
     }
 
@@ -2194,8 +2190,7 @@
         if (displayId) {
             getHwComposer().presentAndGetReleaseFences(*displayId);
         }
-        display->onSwapBuffersCompleted();
-        display->makeCurrent();
+        display->onPresentDisplayCompleted();
         for (auto& layer : display->getVisibleLayersSortedByZ()) {
             sp<Fence> releaseFence = Fence::NO_FENCE;
 
@@ -2348,16 +2343,11 @@
     std::unique_ptr<renderengine::Surface> renderSurface = getRenderEngine().createSurface();
     renderSurface->setCritical(isInternalDisplay);
     renderSurface->setAsync(state.isVirtual());
-    renderSurface->setNativeWindow(nativeWindow.get());
     creationArgs.renderSurface = std::move(renderSurface);
 
     // Make sure that composition can never be stalled by a virtual display
     // consumer that isn't processing buffers fast enough. We have to do this
-    // in two places:
-    // * Here, in case the display is composed entirely by HWC.
-    // * In makeCurrent(), using eglSwapInterval. Some EGL drivers set the
-    //   window's swap interval in eglMakeCurrent, so they'll override the
-    //   interval we set here.
+    // here, in case the display is composed entirely by HWC.
     if (state.isVirtual()) {
         nativeWindow->setSwapInterval(nativeWindow.get(), 0);
     }
@@ -2417,12 +2407,6 @@
                 const auto externalDisplayId = getExternalDisplayId();
 
                 // in drawing state but not in current state
-                // Call makeCurrent() on the primary display so we can
-                // be sure that nothing associated with this display
-                // is current.
-                if (const auto defaultDisplay = getDefaultDisplayDeviceLocked()) {
-                    defaultDisplay->makeCurrent();
-                }
                 if (const auto display = getDisplayDeviceLocked(draw.keyAt(i))) {
                     display->disconnect(getHwComposer());
                 }
@@ -2973,7 +2957,7 @@
     mGeometryInvalid = true;
 }
 
-void SurfaceFlinger::doDisplayComposition(const sp<const DisplayDevice>& display,
+void SurfaceFlinger::doDisplayComposition(const sp<DisplayDevice>& display,
                                           const Region& inDirtyRegion) {
     // We only need to actually compose the display if:
     // 1) It is being handled by hardware composer, which may need this to
@@ -2988,10 +2972,10 @@
     if (!doComposeSurfaces(display)) return;
 
     // swap buffers (presentation)
-    display->swapBuffers(getHwComposer());
+    display->queueBuffer(getHwComposer());
 }
 
-bool SurfaceFlinger::doComposeSurfaces(const sp<const DisplayDevice>& display) {
+bool SurfaceFlinger::doComposeSurfaces(const sp<DisplayDevice>& display) {
     ALOGV("doComposeSurfaces");
 
     const Region bounds(display->bounds());
@@ -3004,9 +2988,31 @@
     bool applyColorMatrix = false;
     bool needsEnhancedColorMatrix = false;
 
+    // Framebuffer will live in this scope for GPU composition.
+    std::unique_ptr<renderengine::BindNativeBufferAsFramebuffer> fbo;
+
     if (hasClientComposition) {
         ALOGV("hasClientComposition");
 
+        sp<GraphicBuffer> buf = display->dequeueBuffer();
+
+        if (buf == nullptr) {
+            ALOGW("Dequeuing buffer for display [%s] failed, bailing out of "
+                  "client composition for this frame",
+                  display->getDisplayName().c_str());
+            return false;
+        }
+
+        // Bind the framebuffer in this scope.
+        fbo = std::make_unique<renderengine::BindNativeBufferAsFramebuffer>(getRenderEngine(),
+                                                                            buf->getNativeBuffer());
+
+        if (fbo->getStatus() != NO_ERROR) {
+            ALOGW("Binding buffer for display [%s] failed with status: %d",
+                  display->getDisplayName().c_str(), fbo->getStatus());
+            return false;
+        }
+
         Dataspace outputDataspace = Dataspace::UNKNOWN;
         if (display->hasWideColorGamut()) {
             outputDataspace = display->getCompositionDataSpace();
@@ -3035,18 +3041,7 @@
             colorMatrix *= mEnhancedSaturationMatrix;
         }
 
-        if (!display->makeCurrent()) {
-            ALOGW("DisplayDevice::makeCurrent failed. Aborting surface composition for display %s",
-                  display->getDisplayName().c_str());
-            getRenderEngine().resetCurrentSurface();
-
-            // |mStateLock| not needed as we are on the main thread
-            const auto defaultDisplay = getDefaultDisplayDeviceLocked();
-            if (!defaultDisplay || !defaultDisplay->makeCurrent()) {
-                ALOGE("DisplayDevice::makeCurrent on default display failed. Aborting.");
-            }
-            return false;
-        }
+        display->setViewportAndProjection();
 
         // Never touch the framebuffer if we don't have any framebuffer layers
         if (hasDeviceComposition) {
@@ -3139,11 +3134,15 @@
         firstLayer = false;
     }
 
-    // Clear color transform matrix at the end of the frame.
-    getRenderEngine().setColorTransform(mat4());
-
-    // disable scissor at the end of the frame
-    getBE().mRenderEngine->disableScissor();
+    // Perform some cleanup steps if we used client composition.
+    if (hasClientComposition) {
+        getRenderEngine().setColorTransform(mat4());
+        getBE().mRenderEngine->disableScissor();
+        display->finishBuffer();
+        // Clear out error flags here so that we don't wait until next
+        // composition to log.
+        getRenderEngine().checkErrors();
+    }
     return true;
 }
 
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 8b389bc..f98dddf 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -721,10 +721,10 @@
     void doDebugFlashRegions(const sp<DisplayDevice>& display, bool repaintEverything);
     void doTracing(const char* where);
     void logLayerStats();
-    void doDisplayComposition(const sp<const DisplayDevice>& display, const Region& dirtyRegion);
+    void doDisplayComposition(const sp<DisplayDevice>& display, const Region& dirtyRegion);
 
     // This fails if using GL and the surface has been destroyed.
-    bool doComposeSurfaces(const sp<const DisplayDevice>& display);
+    bool doComposeSurfaces(const sp<DisplayDevice>& display);
 
     void postFramebuffer(const sp<DisplayDevice>& display);
     void postFrame();
diff --git a/services/surfaceflinger/tests/unittests/CompositionTest.cpp b/services/surfaceflinger/tests/unittests/CompositionTest.cpp
index ab1b252..6d3e715 100644
--- a/services/surfaceflinger/tests/unittests/CompositionTest.cpp
+++ b/services/surfaceflinger/tests/unittests/CompositionTest.cpp
@@ -46,6 +46,7 @@
 using testing::AtLeast;
 using testing::ByMove;
 using testing::DoAll;
+using testing::Invoke;
 using testing::IsNull;
 using testing::Mock;
 using testing::NotNull;
@@ -142,6 +143,9 @@
     renderengine::mock::Surface* mRenderSurface = new renderengine::mock::Surface();
     mock::NativeWindow* mNativeWindow = new mock::NativeWindow();
 
+    sp<GraphicBuffer> mBuffer = new GraphicBuffer();
+    ANativeWindowBuffer* mNativeWindowBuffer = mBuffer->getNativeBuffer();
+
     mock::EventThread* mEventThread = new mock::EventThread();
     mock::EventControlThread* mEventControlThread = new mock::EventControlThread();
 
@@ -266,13 +270,9 @@
         EXPECT_CALL(*test->mRenderEngine, checkErrors()).WillRepeatedly(Return());
         EXPECT_CALL(*test->mRenderEngine, isCurrent()).WillRepeatedly(Return(true));
 
-        EXPECT_CALL(*test->mRenderEngine, setCurrentSurface(Ref(*test->mRenderSurface)))
-                .WillOnce(Return(true));
-        EXPECT_CALL(*test->mRenderEngine,
-                    setViewportAndProjection(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT,
-                                             Rect(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT),
-                                             ui::Transform::ROT_0))
-                .Times(1);
+        EXPECT_CALL(*test->mRenderEngine, flush()).WillRepeatedly(Invoke([]() {
+            return base::unique_fd(0);
+        }));
 
         EXPECT_CALL(*test->mDisplaySurface, onFrameCommitted()).Times(1);
         EXPECT_CALL(*test->mDisplaySurface, advanceFrame()).Times(1);
@@ -323,8 +323,6 @@
 
     static void setupHwcCompositionCallExpectations(CompositionTest* test) {
         EXPECT_CALL(*test->mDisplaySurface, prepareFrame(DisplaySurface::COMPOSITION_HWC)).Times(1);
-
-        EXPECT_CALL(*test->mRenderEngine, disableScissor()).Times(1);
     }
 
     static void setupRECompositionCallExpectations(CompositionTest* test) {
@@ -344,12 +342,18 @@
                     setViewportAndProjection(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT,
                                              Rect(DEFAULT_DISPLAY_WIDTH, DEFAULT_DISPLAY_HEIGHT),
                                              ui::Transform::ROT_0))
-                .Times(1)
-                .RetiresOnSaturation();
-        EXPECT_CALL(*test->mRenderEngine, setCurrentSurface(Ref(*test->mRenderSurface)))
-                .WillOnce(Return(true))
-                .RetiresOnSaturation();
-        EXPECT_CALL(*test->mRenderSurface, swapBuffers()).Times(1);
+                .Times(1);
+        EXPECT_CALL(*test->mReFrameBuffer, setNativeWindowBuffer(NotNull())).WillOnce(Return(true));
+        EXPECT_CALL(*test->mReFrameBuffer, setNativeWindowBuffer(IsNull())).WillOnce(Return(true));
+        EXPECT_CALL(*test->mRenderEngine, createFramebuffer())
+                .WillOnce(Return(
+                        ByMove(std::unique_ptr<renderengine::Framebuffer>(test->mReFrameBuffer))));
+        EXPECT_CALL(*test->mRenderEngine, bindFrameBuffer(test->mReFrameBuffer)).Times(1);
+        EXPECT_CALL(*test->mRenderEngine, unbindFrameBuffer(test->mReFrameBuffer)).Times(1);
+        EXPECT_CALL(*test->mNativeWindow, queueBuffer(_, _)).WillOnce(Return(0));
+        EXPECT_CALL(*test->mNativeWindow, dequeueBuffer(_, _))
+                .WillOnce(DoAll(SetArgPointee<0>(test->mNativeWindowBuffer), SetArgPointee<1>(-1),
+                                Return(0)));
     }
 
     template <typename Case>
diff --git a/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp b/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
index 32fce67..4923785 100644
--- a/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
+++ b/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
@@ -120,6 +120,7 @@
     mock::EventThread* mEventThread = new mock::EventThread();
     mock::EventControlThread* mEventControlThread = new mock::EventControlThread();
     sp<mock::NativeWindow> mNativeWindow = new mock::NativeWindow();
+    sp<GraphicBuffer> mBuffer = new GraphicBuffer();
 
     // These mocks are created by the test, but are destroyed by SurfaceFlinger
     // by virtue of being stored into a std::unique_ptr. However we still need
@@ -340,7 +341,6 @@
     static void setupNativeWindowSurfaceCreationCallExpectations(DisplayTransactionTest* test) {
         EXPECT_CALL(*test->mNativeWindowSurface, getNativeWindow())
                 .WillOnce(Return(test->mNativeWindow));
-        EXPECT_CALL(*test->mNativeWindow, perform(19)).WillRepeatedly(Return(NO_ERROR));
 
         // For simplicity, we only expect to create a single render surface for
         // each test.
@@ -349,17 +349,15 @@
         EXPECT_CALL(*test->mRenderEngine, createSurface())
                 .WillOnce(Return(ByMove(
                         std::unique_ptr<renderengine::Surface>(test->mRenderSurface))));
-
-        // Creating a DisplayDevice requires getting default dimensions from the
-        // native window.
         EXPECT_CALL(*test->mNativeWindow, query(NATIVE_WINDOW_WIDTH, _))
                 .WillRepeatedly(DoAll(SetArgPointee<1>(WIDTH), Return(0)));
         EXPECT_CALL(*test->mNativeWindow, query(NATIVE_WINDOW_HEIGHT, _))
                 .WillRepeatedly(DoAll(SetArgPointee<1>(HEIGHT), Return(0)));
 
+        // Creating a DisplayDevice requires getting default dimensions from the
+        // native window.
         EXPECT_CALL(*test->mRenderSurface, setAsync(static_cast<bool>(ASYNC))).Times(1);
         EXPECT_CALL(*test->mRenderSurface, setCritical(static_cast<bool>(CRITICAL))).Times(1);
-        EXPECT_CALL(*test->mRenderSurface, setNativeWindow(test->mNativeWindow.get())).Times(1);
     }
 
     static void setupFramebufferConsumerBufferQueueCallExpectations(DisplayTransactionTest* test) {
@@ -1070,9 +1068,6 @@
     // The call disable vsyncs
     EXPECT_CALL(*mEventControlThread, setVsyncEnabled(false)).Times(1);
 
-    // The call clears the current render engine surface
-    EXPECT_CALL(*mRenderEngine, resetCurrentSurface());
-
     // The call ends any display resyncs
     EXPECT_CALL(*mPrimaryDispSync, endResync()).Times(1);
 
@@ -1132,6 +1127,7 @@
                 .WillRepeatedly(DoAll(SetArgPointee<1>(1080 /* arbitrary */), Return(0)));
         EXPECT_CALL(*mNativeWindow, query(NATIVE_WINDOW_HEIGHT, _))
                 .WillRepeatedly(DoAll(SetArgPointee<1>(1920 /* arbitrary */), Return(0)));
+        EXPECT_CALL(*mNativeWindow, perform(13)).Times(1);
         auto displayDevice = mInjector.inject();
 
         displayDevice->getBestColorMode(mInputDataspace, mInputRenderIntent, &mOutDataspace,
@@ -1725,7 +1721,6 @@
 
     EXPECT_CALL(*surface, setAsyncMode(true)).Times(1);
 
-    EXPECT_CALL(*mProducer, connect(_, _, _, _)).Times(1);
     EXPECT_CALL(*mProducer, disconnect(_, _)).Times(1);
 
     Case::Display::setupHwcVirtualDisplayCreationCallExpectations(this);
@@ -1950,10 +1945,17 @@
     auto nativeWindow = new mock::NativeWindow();
     auto displaySurface = new mock::DisplaySurface();
     auto renderSurface = new renderengine::mock::Surface();
+    sp<GraphicBuffer> buf = new GraphicBuffer();
     auto display = Case::Display::makeFakeExistingDisplayInjector(this);
     display.setNativeWindow(nativeWindow);
     display.setDisplaySurface(displaySurface);
     display.setRenderSurface(std::unique_ptr<renderengine::Surface>(renderSurface));
+    // Setup injection expections
+    EXPECT_CALL(*nativeWindow, query(NATIVE_WINDOW_WIDTH, _))
+            .WillOnce(DoAll(SetArgPointee<1>(oldWidth), Return(0)));
+    EXPECT_CALL(*nativeWindow, query(NATIVE_WINDOW_HEIGHT, _))
+            .WillOnce(DoAll(SetArgPointee<1>(oldHeight), Return(0)));
+    EXPECT_CALL(*nativeWindow, perform(13)).Times(1);
     display.inject();
 
     // There is a change to the viewport state
@@ -1965,9 +1967,7 @@
     // --------------------------------------------------------------------
     // Call Expectations
 
-    EXPECT_CALL(*renderSurface, setNativeWindow(nullptr)).Times(1);
     EXPECT_CALL(*displaySurface, resizeBuffers(newWidth, oldHeight)).Times(1);
-    EXPECT_CALL(*renderSurface, setNativeWindow(nativeWindow)).Times(1);
 
     // --------------------------------------------------------------------
     // Invocation
@@ -1989,10 +1989,17 @@
     auto nativeWindow = new mock::NativeWindow();
     auto displaySurface = new mock::DisplaySurface();
     auto renderSurface = new renderengine::mock::Surface();
+    sp<GraphicBuffer> buf = new GraphicBuffer();
     auto display = Case::Display::makeFakeExistingDisplayInjector(this);
     display.setNativeWindow(nativeWindow);
     display.setDisplaySurface(displaySurface);
     display.setRenderSurface(std::unique_ptr<renderengine::Surface>(renderSurface));
+    // Setup injection expections
+    EXPECT_CALL(*nativeWindow, query(NATIVE_WINDOW_WIDTH, _))
+            .WillOnce(DoAll(SetArgPointee<1>(oldWidth), Return(0)));
+    EXPECT_CALL(*nativeWindow, query(NATIVE_WINDOW_HEIGHT, _))
+            .WillOnce(DoAll(SetArgPointee<1>(oldHeight), Return(0)));
+    EXPECT_CALL(*nativeWindow, perform(13)).Times(1);
     display.inject();
 
     // There is a change to the viewport state
@@ -2004,9 +2011,7 @@
     // --------------------------------------------------------------------
     // Call Expectations
 
-    EXPECT_CALL(*renderSurface, setNativeWindow(nullptr)).Times(1);
     EXPECT_CALL(*displaySurface, resizeBuffers(oldWidth, newHeight)).Times(1);
-    EXPECT_CALL(*renderSurface, setNativeWindow(nativeWindow)).Times(1);
 
     // --------------------------------------------------------------------
     // Invocation
diff --git a/services/surfaceflinger/tests/unittests/mock/system/window/MockNativeWindow.h b/services/surfaceflinger/tests/unittests/mock/system/window/MockNativeWindow.h
index 561fd58..4950a4b 100644
--- a/services/surfaceflinger/tests/unittests/mock/system/window/MockNativeWindow.h
+++ b/services/surfaceflinger/tests/unittests/mock/system/window/MockNativeWindow.h
@@ -36,6 +36,7 @@
     MOCK_METHOD1(queueBuffer_DEPRECATED, int(struct ANativeWindowBuffer*));
     MOCK_CONST_METHOD2(query, int(int, int*));
     MOCK_METHOD1(perform, int(int));
+    MOCK_METHOD2(perform, int(int, int));
     MOCK_METHOD1(cancelBuffer_DEPRECATED, int(struct ANativeWindowBuffer*));
     MOCK_METHOD2(dequeueBuffer, int(struct ANativeWindowBuffer**, int*));
     MOCK_METHOD2(queueBuffer, int(struct ANativeWindowBuffer*, int));