Revert "TextureView Vulkan support and optimized OpenGL draw"

This reverts commit c8e22a653297837da9a80b0ba65f6854c8986c96.

Reason for revert: broke camera, b/113555199

Bug: 113555199
Change-Id: Iae9b462694d5de0cd99427afead63b567fb4d71d
(cherry picked from commit 867c43de0544217d26c3ee18f4d6603bb2ea97ce)
diff --git a/core/jni/android/graphics/ColorFilter.cpp b/core/jni/android/graphics/ColorFilter.cpp
index 6ebf35c..3fcedd0 100644
--- a/core/jni/android/graphics/ColorFilter.cpp
+++ b/core/jni/android/graphics/ColorFilter.cpp
@@ -22,6 +22,8 @@
 #include "SkColorFilter.h"
 #include "SkColorMatrixFilter.h"
 
+#include <Caches.h>
+
 namespace android {
 
 using namespace uirenderer;
diff --git a/core/jni/android/graphics/Matrix.cpp b/core/jni/android/graphics/Matrix.cpp
index 755fcfb..f8bb77a 100644
--- a/core/jni/android/graphics/Matrix.cpp
+++ b/core/jni/android/graphics/Matrix.cpp
@@ -20,6 +20,7 @@
 #include "SkMatrix.h"
 #include "core_jni_helpers.h"
 
+#include <Caches.h>
 #include <jni.h>
 
 namespace android {
diff --git a/core/jni/android/graphics/Shader.cpp b/core/jni/android/graphics/Shader.cpp
index 68f5bef..cff7720 100644
--- a/core/jni/android/graphics/Shader.cpp
+++ b/core/jni/android/graphics/Shader.cpp
@@ -6,6 +6,7 @@
 #include "SkBlendMode.h"
 #include "core_jni_helpers.h"
 
+#include <Caches.h>
 #include <jni.h>
 
 using namespace android::uirenderer;
diff --git a/core/jni/android/graphics/SurfaceTexture.cpp b/core/jni/android/graphics/SurfaceTexture.cpp
index 3e464c6..d098a35 100644
--- a/core/jni/android/graphics/SurfaceTexture.cpp
+++ b/core/jni/android/graphics/SurfaceTexture.cpp
@@ -36,7 +36,6 @@
 #include "jni.h"
 #include <nativehelper/JNIHelp.h>
 #include <nativehelper/ScopedLocalRef.h>
-#include "surfacetexture/SurfaceTexture.h"
 
 // ----------------------------------------------------------------------------
 
@@ -81,10 +80,10 @@
 // ----------------------------------------------------------------------------
 
 static void SurfaceTexture_setSurfaceTexture(JNIEnv* env, jobject thiz,
-        const sp<SurfaceTexture>& surfaceTexture)
+        const sp<GLConsumer>& surfaceTexture)
 {
-    SurfaceTexture* const p =
-        (SurfaceTexture*)env->GetLongField(thiz, fields.surfaceTexture);
+    GLConsumer* const p =
+        (GLConsumer*)env->GetLongField(thiz, fields.surfaceTexture);
     if (surfaceTexture.get()) {
         surfaceTexture->incStrong((void*)SurfaceTexture_setSurfaceTexture);
     }
@@ -109,10 +108,10 @@
 }
 
 static void SurfaceTexture_setFrameAvailableListener(JNIEnv* env,
-        jobject thiz, sp<SurfaceTexture::FrameAvailableListener> listener)
+        jobject thiz, sp<GLConsumer::FrameAvailableListener> listener)
 {
-    SurfaceTexture::FrameAvailableListener* const p =
-        (SurfaceTexture::FrameAvailableListener*)
+    GLConsumer::FrameAvailableListener* const p =
+        (GLConsumer::FrameAvailableListener*)
             env->GetLongField(thiz, fields.frameAvailableListener);
     if (listener.get()) {
         listener->incStrong((void*)SurfaceTexture_setSurfaceTexture);
@@ -123,8 +122,8 @@
     env->SetLongField(thiz, fields.frameAvailableListener, (jlong)listener.get());
 }
 
-sp<SurfaceTexture> SurfaceTexture_getSurfaceTexture(JNIEnv* env, jobject thiz) {
-    return (SurfaceTexture*)env->GetLongField(thiz, fields.surfaceTexture);
+sp<GLConsumer> SurfaceTexture_getSurfaceTexture(JNIEnv* env, jobject thiz) {
+    return (GLConsumer*)env->GetLongField(thiz, fields.surfaceTexture);
 }
 
 sp<IGraphicBufferProducer> SurfaceTexture_getProducer(JNIEnv* env, jobject thiz) {
@@ -132,7 +131,7 @@
 }
 
 sp<ANativeWindow> android_SurfaceTexture_getNativeWindow(JNIEnv* env, jobject thiz) {
-    sp<SurfaceTexture> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, thiz));
+    sp<GLConsumer> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, thiz));
     sp<IGraphicBufferProducer> producer(SurfaceTexture_getProducer(env, thiz));
     sp<Surface> surfaceTextureClient(surfaceTexture != NULL ? new Surface(producer) : NULL);
     return surfaceTextureClient;
@@ -145,7 +144,7 @@
 
 // ----------------------------------------------------------------------------
 
-class JNISurfaceTextureContext : public SurfaceTexture::FrameAvailableListener
+class JNISurfaceTextureContext : public GLConsumer::FrameAvailableListener
 {
 public:
     JNISurfaceTextureContext(JNIEnv* env, jobject weakThiz, jclass clazz);
@@ -267,12 +266,12 @@
         consumer->setMaxBufferCount(1);
     }
 
-    sp<SurfaceTexture> surfaceTexture;
+    sp<GLConsumer> surfaceTexture;
     if (isDetached) {
-        surfaceTexture = new SurfaceTexture(consumer, GL_TEXTURE_EXTERNAL_OES,
+        surfaceTexture = new GLConsumer(consumer, GL_TEXTURE_EXTERNAL_OES,
                 true, !singleBufferMode);
     } else {
-        surfaceTexture = new SurfaceTexture(consumer, texName,
+        surfaceTexture = new GLConsumer(consumer, texName,
                 GL_TEXTURE_EXTERNAL_OES, true, !singleBufferMode);
     }
 
@@ -307,7 +306,7 @@
 
 static void SurfaceTexture_finalize(JNIEnv* env, jobject thiz)
 {
-    sp<SurfaceTexture> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, thiz));
+    sp<GLConsumer> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, thiz));
     surfaceTexture->setFrameAvailableListener(0);
     SurfaceTexture_setFrameAvailableListener(env, thiz, 0);
     SurfaceTexture_setSurfaceTexture(env, thiz, 0);
@@ -316,13 +315,13 @@
 
 static void SurfaceTexture_setDefaultBufferSize(
         JNIEnv* env, jobject thiz, jint width, jint height) {
-    sp<SurfaceTexture> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, thiz));
+    sp<GLConsumer> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, thiz));
     surfaceTexture->setDefaultBufferSize(width, height);
 }
 
 static void SurfaceTexture_updateTexImage(JNIEnv* env, jobject thiz)
 {
-    sp<SurfaceTexture> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, thiz));
+    sp<GLConsumer> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, thiz));
     status_t err = surfaceTexture->updateTexImage();
     if (err == INVALID_OPERATION) {
         jniThrowException(env, IllegalStateException, "Unable to update texture contents (see "
@@ -334,7 +333,7 @@
 
 static void SurfaceTexture_releaseTexImage(JNIEnv* env, jobject thiz)
 {
-    sp<SurfaceTexture> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, thiz));
+    sp<GLConsumer> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, thiz));
     status_t err = surfaceTexture->releaseTexImage();
     if (err == INVALID_OPERATION) {
         jniThrowException(env, IllegalStateException, "Unable to release texture contents (see "
@@ -346,20 +345,20 @@
 
 static jint SurfaceTexture_detachFromGLContext(JNIEnv* env, jobject thiz)
 {
-    sp<SurfaceTexture> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, thiz));
+    sp<GLConsumer> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, thiz));
     return surfaceTexture->detachFromContext();
 }
 
 static jint SurfaceTexture_attachToGLContext(JNIEnv* env, jobject thiz, jint tex)
 {
-    sp<SurfaceTexture> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, thiz));
+    sp<GLConsumer> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, thiz));
     return surfaceTexture->attachToContext((GLuint)tex);
 }
 
 static void SurfaceTexture_getTransformMatrix(JNIEnv* env, jobject thiz,
         jfloatArray jmtx)
 {
-    sp<SurfaceTexture> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, thiz));
+    sp<GLConsumer> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, thiz));
     float* mtx = env->GetFloatArrayElements(jmtx, NULL);
     surfaceTexture->getTransformMatrix(mtx);
     env->ReleaseFloatArrayElements(jmtx, mtx, 0);
@@ -367,19 +366,19 @@
 
 static jlong SurfaceTexture_getTimestamp(JNIEnv* env, jobject thiz)
 {
-    sp<SurfaceTexture> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, thiz));
+    sp<GLConsumer> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, thiz));
     return surfaceTexture->getTimestamp();
 }
 
 static void SurfaceTexture_release(JNIEnv* env, jobject thiz)
 {
-    sp<SurfaceTexture> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, thiz));
+    sp<GLConsumer> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, thiz));
     surfaceTexture->abandon();
 }
 
 static jboolean SurfaceTexture_isReleased(JNIEnv* env, jobject thiz)
 {
-    sp<SurfaceTexture> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, thiz));
+    sp<GLConsumer> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, thiz));
     return surfaceTexture->isAbandoned();
 }
 
diff --git a/core/jni/android_view_TextureLayer.cpp b/core/jni/android_view_TextureLayer.cpp
index 1ccb6a8..d3a447f 100644
--- a/core/jni/android_view_TextureLayer.cpp
+++ b/core/jni/android_view_TextureLayer.cpp
@@ -67,7 +67,8 @@
 static void TextureLayer_setSurfaceTexture(JNIEnv* env, jobject clazz,
         jlong layerUpdaterPtr, jobject surface) {
     DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerUpdaterPtr);
-    layer->setSurfaceTexture(SurfaceTexture_getSurfaceTexture(env, surface));
+    sp<GLConsumer> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, surface));
+    layer->setSurfaceTexture(surfaceTexture);
 }
 
 static void TextureLayer_updateSurfaceTexture(JNIEnv* env, jobject clazz,
diff --git a/core/jni/include/android_runtime/android_graphics_SurfaceTexture.h b/core/jni/include/android_runtime/android_graphics_SurfaceTexture.h
index 0ad2587..c534d4b 100644
--- a/core/jni/include/android_runtime/android_graphics_SurfaceTexture.h
+++ b/core/jni/include/android_runtime/android_graphics_SurfaceTexture.h
@@ -23,14 +23,14 @@
 
 namespace android {
 
+class GLConsumer;
 class IGraphicBufferProducer;
-class SurfaceTexture;
 
 extern sp<ANativeWindow> android_SurfaceTexture_getNativeWindow(JNIEnv* env, jobject thiz);
 extern bool android_SurfaceTexture_isInstanceOf(JNIEnv* env, jobject thiz);
 
-/* Gets the underlying C++ SurfaceTexture object from a SurfaceTexture Java object. */
-extern sp<SurfaceTexture> SurfaceTexture_getSurfaceTexture(JNIEnv* env, jobject thiz);
+/* Gets the underlying GLConsumer from a SurfaceTexture Java object. */
+extern sp<GLConsumer> SurfaceTexture_getSurfaceTexture(JNIEnv* env, jobject thiz);
 
 /* gets the producer end of the SurfaceTexture */
 extern sp<IGraphicBufferProducer> SurfaceTexture_getProducer(JNIEnv* env, jobject thiz);
diff --git a/libs/hwui/Android.bp b/libs/hwui/Android.bp
index b7ffb5d..d582983 100644
--- a/libs/hwui/Android.bp
+++ b/libs/hwui/Android.bp
@@ -175,7 +175,9 @@
         "pipeline/skia/SkiaRecordingCanvas.cpp",
         "pipeline/skia/SkiaVulkanPipeline.cpp",
         "pipeline/skia/VectorDrawableAtlas.cpp",
+        "renderstate/PixelBufferState.cpp",
         "renderstate/RenderState.cpp",
+        "renderstate/TextureState.cpp",
         "renderthread/CacheManager.cpp",
         "renderthread/CanvasContext.cpp",
         "renderthread/DrawFrameTask.cpp",
@@ -187,9 +189,6 @@
         "renderthread/TimeLord.cpp",
         "renderthread/Frame.cpp",
         "service/GraphicsStatsService.cpp",
-        "surfacetexture/EGLConsumer.cpp",
-        "surfacetexture/ImageConsumer.cpp",
-        "surfacetexture/SurfaceTexture.cpp",
         "thread/TaskManager.cpp",
         "utils/Blur.cpp",
         "utils/Color.cpp",
@@ -201,6 +200,7 @@
         "AnimationContext.cpp",
         "Animator.cpp",
         "AnimatorManager.cpp",
+        "Caches.cpp",
         "CanvasState.cpp",
         "CanvasTransform.cpp",
         "ClipArea.cpp",
@@ -209,6 +209,7 @@
         "DeviceInfo.cpp",
         "FrameInfo.cpp",
         "FrameInfoVisualizer.cpp",
+        "GlLayer.cpp",
         "GpuMemoryTracker.cpp",
         "HardwareBitmapUploader.cpp",
         "Interpolator.cpp",
@@ -218,6 +219,7 @@
         "Matrix.cpp",
         "EglReadback.cpp",
         "PathParser.cpp",
+        "PixelBuffer.cpp",
         "ProfileData.cpp",
         "ProfileDataContainer.cpp",
         "Properties.cpp",
@@ -229,7 +231,9 @@
         "ResourceCache.cpp",
         "SkiaCanvas.cpp",
         "Snapshot.cpp",
+        "Texture.cpp",
         "VectorDrawable.cpp",
+        "VkLayer.cpp",
         "protos/graphicsstats.proto",
     ],
 
diff --git a/libs/hwui/Caches.cpp b/libs/hwui/Caches.cpp
new file mode 100644
index 0000000..2541444
--- /dev/null
+++ b/libs/hwui/Caches.cpp
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "Caches.h"
+
+#include "GlLayer.h"
+#include "Properties.h"
+#include "renderstate/RenderState.h"
+#include "utils/GLUtils.h"
+
+#include <cutils/properties.h>
+#include <utils/Log.h>
+#include <utils/String8.h>
+
+namespace android {
+namespace uirenderer {
+
+Caches* Caches::sInstance = nullptr;
+
+///////////////////////////////////////////////////////////////////////////////
+// Macros
+///////////////////////////////////////////////////////////////////////////////
+
+#if DEBUG_CACHE_FLUSH
+#define FLUSH_LOGD(...) ALOGD(__VA_ARGS__)
+#else
+#define FLUSH_LOGD(...)
+#endif
+
+///////////////////////////////////////////////////////////////////////////////
+// Constructors/destructor
+///////////////////////////////////////////////////////////////////////////////
+
+Caches::Caches(RenderState& renderState) : mInitialized(false) {
+    INIT_LOGD("Creating OpenGL renderer caches");
+    init();
+    initStaticProperties();
+}
+
+bool Caches::init() {
+    if (mInitialized) return false;
+
+    ATRACE_NAME("Caches::init");
+
+    mRegionMesh = nullptr;
+
+    mInitialized = true;
+
+    mPixelBufferState = new PixelBufferState();
+    mTextureState = new TextureState();
+    mTextureState->constructTexture(*this);
+
+    return true;
+}
+
+void Caches::initStaticProperties() {
+    // OpenGL ES 3.0+ specific features
+    gpuPixelBuffersEnabled = extensions().hasPixelBufferObjects() &&
+                             property_get_bool(PROPERTY_ENABLE_GPU_PIXEL_BUFFERS, true);
+}
+
+void Caches::terminate() {
+    if (!mInitialized) return;
+    mRegionMesh.reset(nullptr);
+
+    clearGarbage();
+
+    delete mPixelBufferState;
+    mPixelBufferState = nullptr;
+    delete mTextureState;
+    mTextureState = nullptr;
+    mInitialized = false;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// Memory management
+///////////////////////////////////////////////////////////////////////////////
+
+void Caches::clearGarbage() {}
+
+void Caches::flush(FlushMode mode) {
+    clearGarbage();
+    glFinish();
+    // Errors during cleanup should be considered non-fatal, dump them and
+    // and move on. TODO: All errors or just errors like bad surface?
+    GLUtils::dumpGLErrors();
+}
+
+};  // namespace uirenderer
+};  // namespace android
diff --git a/libs/hwui/Caches.h b/libs/hwui/Caches.h
new file mode 100644
index 0000000..642f9dc
--- /dev/null
+++ b/libs/hwui/Caches.h
@@ -0,0 +1,135 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include "DeviceInfo.h"
+#include "Extensions.h"
+#include "ResourceCache.h"
+#include "renderstate/PixelBufferState.h"
+#include "renderstate/TextureState.h"
+#include "thread/TaskManager.h"
+#include "thread/TaskProcessor.h"
+
+#include <memory>
+#include <vector>
+
+#include <GLES3/gl3.h>
+
+#include <utils/KeyedVector.h>
+
+#include <cutils/compiler.h>
+
+#include <SkPath.h>
+
+#include <vector>
+
+namespace android {
+namespace uirenderer {
+
+///////////////////////////////////////////////////////////////////////////////
+// Caches
+///////////////////////////////////////////////////////////////////////////////
+
+class RenderNode;
+class RenderState;
+
+class ANDROID_API Caches {
+public:
+    static Caches& createInstance(RenderState& renderState) {
+        LOG_ALWAYS_FATAL_IF(sInstance, "double create of Caches attempted");
+        sInstance = new Caches(renderState);
+        return *sInstance;
+    }
+
+    static Caches& getInstance() {
+        LOG_ALWAYS_FATAL_IF(!sInstance, "instance not yet created");
+        return *sInstance;
+    }
+
+    static bool hasInstance() { return sInstance != nullptr; }
+
+private:
+    explicit Caches(RenderState& renderState);
+    static Caches* sInstance;
+
+public:
+    enum class FlushMode { Layers = 0, Moderate, Full };
+
+    /**
+     * Initialize caches.
+     */
+    bool init();
+
+    bool isInitialized() { return mInitialized; }
+
+    /**
+     * Flush the cache.
+     *
+     * @param mode Indicates how much of the cache should be flushed
+     */
+    void flush(FlushMode mode);
+
+    /**
+     * Destroys all resources associated with this cache. This should
+     * be called after a flush(FlushMode::Full).
+     */
+    void terminate();
+
+    /**
+     * Call this on each frame to ensure that garbage is deleted from
+     * GPU memory.
+     */
+    void clearGarbage();
+
+    /**
+     * Returns the GL RGBA internal format to use for the current device
+     * If the device supports linear blending and needSRGB is true,
+     * this function returns GL_SRGB8_ALPHA8, otherwise it returns GL_RGBA
+     */
+    constexpr GLint rgbaInternalFormat(bool needSRGB = true) const {
+        return extensions().hasLinearBlending() && needSRGB ? GL_SRGB8_ALPHA8 : GL_RGBA;
+    }
+
+public:
+    TaskManager tasks;
+
+    bool gpuPixelBuffersEnabled;
+
+    const Extensions& extensions() const { return DeviceInfo::get()->extensions(); }
+    PixelBufferState& pixelBufferState() { return *mPixelBufferState; }
+    TextureState& textureState() { return *mTextureState; }
+
+private:
+    void initStaticProperties();
+
+    static void eventMarkNull(GLsizei length, const GLchar* marker) {}
+    static void startMarkNull(GLsizei length, const GLchar* marker) {}
+    static void endMarkNull() {}
+
+    // Used to render layers
+    std::unique_ptr<TextureVertex[]> mRegionMesh;
+
+    bool mInitialized;
+
+    // TODO: move below to RenderState
+    PixelBufferState* mPixelBufferState = nullptr;
+    TextureState* mTextureState = nullptr;
+
+};  // class Caches
+
+};  // namespace uirenderer
+};  // namespace android
diff --git a/libs/hwui/DeferredLayerUpdater.cpp b/libs/hwui/DeferredLayerUpdater.cpp
index 0091655..569de76 100644
--- a/libs/hwui/DeferredLayerUpdater.cpp
+++ b/libs/hwui/DeferredLayerUpdater.cpp
@@ -15,20 +15,27 @@
  */
 #include "DeferredLayerUpdater.h"
 
+#include "GlLayer.h"
+#include "VkLayer.h"
 #include "renderstate/RenderState.h"
+#include "renderthread/EglManager.h"
+#include "renderthread/RenderTask.h"
 #include "utils/PaintUtils.h"
 
 namespace android {
 namespace uirenderer {
 
-DeferredLayerUpdater::DeferredLayerUpdater(RenderState& renderState)
+DeferredLayerUpdater::DeferredLayerUpdater(RenderState& renderState, CreateLayerFn createLayerFn,
+                                           Layer::Api layerApi)
         : mRenderState(renderState)
         , mBlend(false)
         , mSurfaceTexture(nullptr)
         , mTransform(nullptr)
         , mGLContextAttached(false)
         , mUpdateTexImage(false)
-        , mLayer(nullptr) {
+        , mLayer(nullptr)
+        , mLayerApi(layerApi)
+        , mCreateLayerFn(createLayerFn) {
     renderState.registerDeferredLayerUpdater(this);
 }
 
@@ -43,9 +50,13 @@
         return;
     }
 
-    if (mSurfaceTexture.get() && mGLContextAttached) {
-        mSurfaceTexture->detachFromView();
+    if (mSurfaceTexture.get() && mLayerApi == Layer::Api::OpenGL && mGLContextAttached) {
+        status_t err = mSurfaceTexture->detachFromContext();
         mGLContextAttached = false;
+        if (err != 0) {
+            // TODO: Elevate to fatal exception
+            ALOGE("Failed to detach SurfaceTexture from context %d", err);
+        }
     }
 
     mLayer->postDecStrong();
@@ -64,53 +75,99 @@
 
 void DeferredLayerUpdater::apply() {
     if (!mLayer) {
-        mLayer = new Layer(mRenderState, mColorFilter, mAlpha, mMode);
+        mLayer = mCreateLayerFn(mRenderState, mWidth, mHeight, mColorFilter, mAlpha, mMode, mBlend);
     }
 
     mLayer->setColorFilter(mColorFilter);
     mLayer->setAlpha(mAlpha, mMode);
 
     if (mSurfaceTexture.get()) {
-        if (!mGLContextAttached) {
-            mGLContextAttached = true;
-            mUpdateTexImage = true;
-            mSurfaceTexture->attachToView();
-        }
-        if (mUpdateTexImage) {
-            mUpdateTexImage = false;
-            sk_sp<SkImage> layerImage;
-            SkMatrix textureTransform;
-            android_dataspace dataSpace;
-            bool queueEmpty = true;
-            // If the SurfaceTexture queue is in synchronous mode, need to discard all
-            // but latest frame. Since we can't tell which mode it is in,
-            // do this unconditionally.
-            do {
-                layerImage = mSurfaceTexture->dequeueImage(textureTransform, dataSpace, &queueEmpty,
-                        mRenderState);
-            } while (layerImage.get() && (!queueEmpty));
-            if (layerImage.get()) {
-                // force filtration if buffer size != layer size
-                bool forceFilter = mWidth != layerImage->width() || mHeight != layerImage->height();
-                updateLayer(forceFilter, textureTransform, dataSpace, layerImage);
+        if (mLayer->getApi() == Layer::Api::Vulkan) {
+            if (mUpdateTexImage) {
+                mUpdateTexImage = false;
+                doUpdateVkTexImage();
             }
+        } else {
+            LOG_ALWAYS_FATAL_IF(mLayer->getApi() != Layer::Api::OpenGL,
+                                "apply surfaceTexture with non GL backend %x, GL %x, VK %x",
+                                mLayer->getApi(), Layer::Api::OpenGL, Layer::Api::Vulkan);
+            if (!mGLContextAttached) {
+                mGLContextAttached = true;
+                mUpdateTexImage = true;
+                mSurfaceTexture->attachToContext(static_cast<GlLayer*>(mLayer)->getTextureId());
+            }
+            if (mUpdateTexImage) {
+                mUpdateTexImage = false;
+                doUpdateTexImage();
+            }
+            GLenum renderTarget = mSurfaceTexture->getCurrentTextureTarget();
+            static_cast<GlLayer*>(mLayer)->setRenderTarget(renderTarget);
         }
-
         if (mTransform) {
-            mLayer->getTransform() = *mTransform;
+            mLayer->getTransform().load(*mTransform);
             setTransform(nullptr);
         }
     }
 }
 
-void DeferredLayerUpdater::updateLayer(bool forceFilter, const SkMatrix& textureTransform,
-        android_dataspace dataspace, const sk_sp<SkImage>& layerImage) {
+void DeferredLayerUpdater::doUpdateTexImage() {
+    LOG_ALWAYS_FATAL_IF(mLayer->getApi() != Layer::Api::OpenGL,
+                        "doUpdateTexImage non GL backend %x, GL %x, VK %x", mLayer->getApi(),
+                        Layer::Api::OpenGL, Layer::Api::Vulkan);
+    if (mSurfaceTexture->updateTexImage() == NO_ERROR) {
+        float transform[16];
+
+        int64_t frameNumber = mSurfaceTexture->getFrameNumber();
+        // If the GLConsumer queue is in synchronous mode, need to discard all
+        // but latest frame, using the frame number to tell when we no longer
+        // have newer frames to target. Since we can't tell which mode it is in,
+        // do this unconditionally.
+        int dropCounter = 0;
+        while (mSurfaceTexture->updateTexImage() == NO_ERROR) {
+            int64_t newFrameNumber = mSurfaceTexture->getFrameNumber();
+            if (newFrameNumber == frameNumber) break;
+            frameNumber = newFrameNumber;
+            dropCounter++;
+        }
+
+        bool forceFilter = false;
+        sp<GraphicBuffer> buffer = mSurfaceTexture->getCurrentBuffer();
+        if (buffer != nullptr) {
+            // force filtration if buffer size != layer size
+            forceFilter = mWidth != static_cast<int>(buffer->getWidth()) ||
+                          mHeight != static_cast<int>(buffer->getHeight());
+        }
+
+#if DEBUG_RENDERER
+        if (dropCounter > 0) {
+            RENDERER_LOGD("Dropped %d frames on texture layer update", dropCounter);
+        }
+#endif
+        mSurfaceTexture->getTransformMatrix(transform);
+
+        updateLayer(forceFilter, transform, mSurfaceTexture->getCurrentDataSpace());
+    }
+}
+
+void DeferredLayerUpdater::doUpdateVkTexImage() {
+    LOG_ALWAYS_FATAL_IF(mLayer->getApi() != Layer::Api::Vulkan,
+                        "updateLayer non Vulkan backend %x, GL %x, VK %x", mLayer->getApi(),
+                        Layer::Api::OpenGL, Layer::Api::Vulkan);
+
+    static const mat4 identityMatrix;
+    updateLayer(false, identityMatrix.data, HAL_DATASPACE_UNKNOWN);
+
+    VkLayer* vkLayer = static_cast<VkLayer*>(mLayer);
+    vkLayer->updateTexture();
+}
+
+void DeferredLayerUpdater::updateLayer(bool forceFilter, const float* textureTransform,
+                                       android_dataspace dataspace) {
     mLayer->setBlend(mBlend);
     mLayer->setForceFilter(forceFilter);
     mLayer->setSize(mWidth, mHeight);
-    mLayer->getTexTransform() = textureTransform;
+    mLayer->getTexTransform().load(textureTransform);
     mLayer->setDataSpace(dataspace);
-    mLayer->setImage(layerImage);
 }
 
 void DeferredLayerUpdater::detachSurfaceTexture() {
diff --git a/libs/hwui/DeferredLayerUpdater.h b/libs/hwui/DeferredLayerUpdater.h
index 4c323b8..fe3ee7a 100644
--- a/libs/hwui/DeferredLayerUpdater.h
+++ b/libs/hwui/DeferredLayerUpdater.h
@@ -17,19 +17,18 @@
 #pragma once
 
 #include <SkColorFilter.h>
-#include <SkImage.h>
 #include <SkMatrix.h>
 #include <cutils/compiler.h>
-#include <map>
+#include <gui/GLConsumer.h>
 #include <system/graphics.h>
 #include <utils/StrongPointer.h>
 
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
 
-#include "surfacetexture/SurfaceTexture.h"
 #include "Layer.h"
 #include "Rect.h"
+#include "renderthread/RenderThread.h"
 
 namespace android {
 namespace uirenderer {
@@ -42,7 +41,12 @@
 public:
     // Note that DeferredLayerUpdater assumes it is taking ownership of the layer
     // and will not call incrementRef on it as a result.
-    ANDROID_API explicit DeferredLayerUpdater(RenderState& renderState);
+    typedef std::function<Layer*(RenderState& renderState, uint32_t layerWidth,
+                                 uint32_t layerHeight, sk_sp<SkColorFilter> colorFilter, int alpha,
+                                 SkBlendMode mode, bool blend)>
+            CreateLayerFn;
+    ANDROID_API explicit DeferredLayerUpdater(RenderState& renderState, CreateLayerFn createLayerFn,
+                                              Layer::Api layerApi);
 
     ANDROID_API ~DeferredLayerUpdater();
 
@@ -66,13 +70,13 @@
         return false;
     }
 
-    ANDROID_API void setSurfaceTexture(const sp<SurfaceTexture>& consumer) {
-        if (consumer.get() != mSurfaceTexture.get()) {
-            mSurfaceTexture = consumer;
+    ANDROID_API void setSurfaceTexture(const sp<GLConsumer>& texture) {
+        if (texture.get() != mSurfaceTexture.get()) {
+            mSurfaceTexture = texture;
 
-            GLenum target = consumer->getCurrentTextureTarget();
+            GLenum target = texture->getCurrentTextureTarget();
             LOG_ALWAYS_FATAL_IF(target != GL_TEXTURE_2D && target != GL_TEXTURE_EXTERNAL_OES,
-                                "set unsupported SurfaceTexture with target %x", target);
+                                "set unsupported GLConsumer with target %x", target);
         }
     }
 
@@ -93,11 +97,12 @@
 
     void detachSurfaceTexture();
 
-    void updateLayer(bool forceFilter, const SkMatrix& textureTransform,
-            android_dataspace dataspace, const sk_sp<SkImage>& layerImage);
+    void updateLayer(bool forceFilter, const float* textureTransform, android_dataspace dataspace);
 
     void destroyLayer();
 
+    Layer::Api getBackingLayerApi() { return mLayerApi; }
+
 private:
     RenderState& mRenderState;
 
@@ -108,12 +113,17 @@
     sk_sp<SkColorFilter> mColorFilter;
     int mAlpha = 255;
     SkBlendMode mMode = SkBlendMode::kSrcOver;
-    sp<SurfaceTexture> mSurfaceTexture;
+    sp<GLConsumer> mSurfaceTexture;
     SkMatrix* mTransform;
     bool mGLContextAttached;
     bool mUpdateTexImage;
 
     Layer* mLayer;
+    Layer::Api mLayerApi;
+    CreateLayerFn mCreateLayerFn;
+
+    void doUpdateTexImage();
+    void doUpdateVkTexImage();
 };
 
 } /* namespace uirenderer */
diff --git a/libs/hwui/GlLayer.cpp b/libs/hwui/GlLayer.cpp
new file mode 100644
index 0000000..432bb85
--- /dev/null
+++ b/libs/hwui/GlLayer.cpp
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "GlLayer.h"
+
+#include "Caches.h"
+#include "RenderNode.h"
+#include "renderstate/RenderState.h"
+
+namespace android {
+namespace uirenderer {
+
+GlLayer::GlLayer(RenderState& renderState, uint32_t layerWidth, uint32_t layerHeight,
+                 sk_sp<SkColorFilter> colorFilter, int alpha, SkBlendMode mode, bool blend)
+        : Layer(renderState, Api::OpenGL, colorFilter, alpha, mode)
+        , caches(Caches::getInstance())
+        , texture(caches) {
+    texture.mWidth = layerWidth;
+    texture.mHeight = layerHeight;
+    texture.blend = blend;
+}
+
+GlLayer::~GlLayer() {
+    // There's a rare possibility that Caches could have been destroyed already
+    // since this method is queued up as a task.
+    // Since this is a reset method, treat this as non-fatal.
+    if (caches.isInitialized() && texture.mId) {
+        texture.deleteTexture();
+    }
+}
+
+void GlLayer::onGlContextLost() {
+    texture.deleteTexture();
+}
+
+void GlLayer::setRenderTarget(GLenum renderTarget) {
+    if (renderTarget != getRenderTarget()) {
+        // new render target: bind with new target, and update filter/wrap
+        texture.mTarget = renderTarget;
+        if (texture.mId) {
+            caches.textureState().bindTexture(texture.target(), texture.mId);
+        }
+        texture.setFilter(GL_NEAREST, false, true);
+        texture.setWrap(GL_CLAMP_TO_EDGE, false, true);
+    }
+}
+
+void GlLayer::generateTexture() {
+    if (!texture.mId) {
+        glGenTextures(1, &texture.mId);
+    }
+}
+
+};  // namespace uirenderer
+};  // namespace android
diff --git a/libs/hwui/GlLayer.h b/libs/hwui/GlLayer.h
new file mode 100644
index 0000000..9f70fda
--- /dev/null
+++ b/libs/hwui/GlLayer.h
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include "Layer.h"
+
+#include "Texture.h"
+
+namespace android {
+namespace uirenderer {
+
+// Forward declarations
+class Caches;
+
+/**
+ * A layer has dimensions and is backed by an OpenGL texture or FBO.
+ */
+class GlLayer : public Layer {
+public:
+    GlLayer(RenderState& renderState, uint32_t layerWidth, uint32_t layerHeight,
+            sk_sp<SkColorFilter> colorFilter, int alpha, SkBlendMode mode, bool blend);
+    virtual ~GlLayer();
+
+    uint32_t getWidth() const override { return texture.mWidth; }
+
+    uint32_t getHeight() const override { return texture.mHeight; }
+
+    void setSize(uint32_t width, uint32_t height) override {
+        texture.updateLayout(width, height, texture.internalFormat(), texture.format(),
+                             texture.target());
+    }
+
+    void setBlend(bool blend) override { texture.blend = blend; }
+
+    bool isBlend() const override { return texture.blend; }
+
+    inline GLuint getTextureId() const { return texture.id(); }
+
+    inline GLenum getRenderTarget() const { return texture.target(); }
+
+    void setRenderTarget(GLenum renderTarget);
+
+    void generateTexture();
+
+    /**
+     * Lost the GL context but the layer is still around, mark it invalid internally
+     * so the dtor knows not to do any GL work
+     */
+    void onGlContextLost();
+
+private:
+    Caches& caches;
+
+    /**
+     * The texture backing this layer.
+     */
+    Texture texture;
+};  // struct GlLayer
+
+};  // namespace uirenderer
+};  // namespace android
diff --git a/libs/hwui/GpuMemoryTracker.cpp b/libs/hwui/GpuMemoryTracker.cpp
index a9a7af8..612bfde 100644
--- a/libs/hwui/GpuMemoryTracker.cpp
+++ b/libs/hwui/GpuMemoryTracker.cpp
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+#include "Texture.h"
 #include "utils/StringUtils.h"
 
 #include <GpuMemoryTracker.h>
@@ -116,6 +117,22 @@
             ATRACE_INT(buf, stats.count);
         }
     }
+
+    std::vector<const Texture*> freeList;
+    for (const auto& obj : gObjectSet) {
+        if (obj->objectType() == GpuObjectType::Texture) {
+            const Texture* texture = static_cast<Texture*>(obj);
+            if (texture->cleanup) {
+                ALOGE("Leaked texture marked for cleanup! id=%u, size %ux%u", texture->id(),
+                      texture->width(), texture->height());
+                freeList.push_back(texture);
+            }
+        }
+    }
+    for (auto& texture : freeList) {
+        const_cast<Texture*>(texture)->deleteTexture();
+        delete texture;
+    }
 }
 
 }  // namespace uirenderer
diff --git a/libs/hwui/Layer.cpp b/libs/hwui/Layer.cpp
index f59a2e6..fb8f033 100644
--- a/libs/hwui/Layer.cpp
+++ b/libs/hwui/Layer.cpp
@@ -17,17 +17,17 @@
 #include "Layer.h"
 
 #include "renderstate/RenderState.h"
-#include "utils/Color.h"
 
 #include <SkToSRGBColorFilter.h>
 
 namespace android {
 namespace uirenderer {
 
-Layer::Layer(RenderState& renderState, sk_sp<SkColorFilter> colorFilter, int alpha,
-        SkBlendMode mode)
+Layer::Layer(RenderState& renderState, Api api, sk_sp<SkColorFilter> colorFilter, int alpha,
+             SkBlendMode mode)
         : GpuMemoryTracker(GpuObjectType::Layer)
         , mRenderState(renderState)
+        , mApi(api)
         , mColorFilter(colorFilter)
         , alpha(alpha)
         , mode(mode) {
@@ -36,8 +36,6 @@
     incStrong(nullptr);
     buildColorSpaceWithFilter();
     renderState.registerLayer(this);
-    texTransform.setIdentity();
-    transform.setIdentity();
 }
 
 Layer::~Layer() {
diff --git a/libs/hwui/Layer.h b/libs/hwui/Layer.h
index c4e4c1c..31878ac 100644
--- a/libs/hwui/Layer.h
+++ b/libs/hwui/Layer.h
@@ -23,9 +23,8 @@
 #include <SkColorFilter.h>
 #include <SkColorSpace.h>
 #include <SkPaint.h>
-#include <SkImage.h>
-#include <SkMatrix.h>
-#include <system/graphics.h>
+
+#include "Matrix.h"
 
 namespace android {
 namespace uirenderer {
@@ -41,19 +40,24 @@
  */
 class Layer : public VirtualLightRefBase, GpuMemoryTracker {
 public:
-    Layer(RenderState& renderState, sk_sp<SkColorFilter>, int alpha, SkBlendMode mode);
+    enum class Api {
+        OpenGL = 0,
+        Vulkan = 1,
+    };
+
+    Api getApi() const { return mApi; }
 
     ~Layer();
 
-    virtual uint32_t getWidth() const { return mWidth; }
+    virtual uint32_t getWidth() const = 0;
 
-    virtual uint32_t getHeight() const { return mHeight; }
+    virtual uint32_t getHeight() const = 0;
 
-    virtual void setSize(uint32_t width, uint32_t height) { mWidth = width; mHeight = height; }
+    virtual void setSize(uint32_t width, uint32_t height) = 0;
 
-    virtual void setBlend(bool blend) { mBlend = blend; }
+    virtual void setBlend(bool blend) = 0;
 
-    virtual bool isBlend() const { return mBlend; }
+    virtual bool isBlend() const = 0;
 
     inline void setForceFilter(bool forceFilter) { this->forceFilter = forceFilter; }
 
@@ -80,9 +84,9 @@
 
     inline sk_sp<SkColorFilter> getColorSpaceWithFilter() const { return mColorSpaceWithFilter; }
 
-    inline SkMatrix& getTexTransform() { return texTransform; }
+    inline mat4& getTexTransform() { return texTransform; }
 
-    inline SkMatrix& getTransform() { return transform; }
+    inline mat4& getTransform() { return transform; }
 
     /**
      * Posts a decStrong call to the appropriate thread.
@@ -90,17 +94,16 @@
      */
     void postDecStrong();
 
-    inline void setImage(const sk_sp<SkImage>& image) { this->layerImage = image; }
-
-    inline sk_sp<SkImage> getImage() const { return this->layerImage; }
-
 protected:
+    Layer(RenderState& renderState, Api api, sk_sp<SkColorFilter>, int alpha, SkBlendMode mode);
 
     RenderState& mRenderState;
 
 private:
     void buildColorSpaceWithFilter();
 
+    Api mApi;
+
     /**
      * Color filter used to draw this layer. Optional.
      */
@@ -134,32 +137,12 @@
     /**
      * Optional texture coordinates transform.
      */
-    SkMatrix texTransform;
+    mat4 texTransform;
 
     /**
      * Optional transform.
      */
-    SkMatrix transform;
-
-    /**
-     * An image backing the layer.
-     */
-    sk_sp<SkImage> layerImage;
-
-    /**
-     * layer width.
-     */
-    uint32_t mWidth = 0;
-
-    /**
-     * layer height.
-     */
-    uint32_t mHeight = 0;
-
-    /**
-     * enable blending
-     */
-    bool mBlend = false;
+    mat4 transform;
 
 };  // struct Layer
 
diff --git a/libs/hwui/PixelBuffer.cpp b/libs/hwui/PixelBuffer.cpp
new file mode 100644
index 0000000..910a988
--- /dev/null
+++ b/libs/hwui/PixelBuffer.cpp
@@ -0,0 +1,156 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "PixelBuffer.h"
+
+#include "Debug.h"
+#include "Extensions.h"
+#include "Properties.h"
+#include "renderstate/RenderState.h"
+#include "utils/GLUtils.h"
+
+#include <utils/Log.h>
+
+namespace android {
+namespace uirenderer {
+
+///////////////////////////////////////////////////////////////////////////////
+// CPU pixel buffer
+///////////////////////////////////////////////////////////////////////////////
+
+class CpuPixelBuffer : public PixelBuffer {
+public:
+    CpuPixelBuffer(GLenum format, uint32_t width, uint32_t height);
+
+    uint8_t* map(AccessMode mode = kAccessMode_ReadWrite) override;
+
+    void upload(uint32_t x, uint32_t y, uint32_t width, uint32_t height, int offset) override;
+
+protected:
+    void unmap() override;
+
+private:
+    std::unique_ptr<uint8_t[]> mBuffer;
+};
+
+CpuPixelBuffer::CpuPixelBuffer(GLenum format, uint32_t width, uint32_t height)
+        : PixelBuffer(format, width, height)
+        , mBuffer(new uint8_t[width * height * formatSize(format)]) {}
+
+uint8_t* CpuPixelBuffer::map(AccessMode mode) {
+    if (mAccessMode == kAccessMode_None) {
+        mAccessMode = mode;
+    }
+    return mBuffer.get();
+}
+
+void CpuPixelBuffer::unmap() {
+    mAccessMode = kAccessMode_None;
+}
+
+void CpuPixelBuffer::upload(uint32_t x, uint32_t y, uint32_t width, uint32_t height, int offset) {
+    glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, width, height, mFormat, GL_UNSIGNED_BYTE,
+                    &mBuffer[offset]);
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// GPU pixel buffer
+///////////////////////////////////////////////////////////////////////////////
+
+class GpuPixelBuffer : public PixelBuffer {
+public:
+    GpuPixelBuffer(GLenum format, uint32_t width, uint32_t height);
+    ~GpuPixelBuffer();
+
+    uint8_t* map(AccessMode mode = kAccessMode_ReadWrite) override;
+
+    void upload(uint32_t x, uint32_t y, uint32_t width, uint32_t height, int offset) override;
+
+protected:
+    void unmap() override;
+
+private:
+    GLuint mBuffer;
+    uint8_t* mMappedPointer;
+    Caches& mCaches;
+};
+
+GpuPixelBuffer::GpuPixelBuffer(GLenum format, uint32_t width, uint32_t height)
+        : PixelBuffer(format, width, height)
+        , mMappedPointer(nullptr)
+        , mCaches(Caches::getInstance()) {
+    glGenBuffers(1, &mBuffer);
+
+    mCaches.pixelBufferState().bind(mBuffer);
+    glBufferData(GL_PIXEL_UNPACK_BUFFER, getSize(), nullptr, GL_DYNAMIC_DRAW);
+    mCaches.pixelBufferState().unbind();
+}
+
+GpuPixelBuffer::~GpuPixelBuffer() {
+    glDeleteBuffers(1, &mBuffer);
+}
+
+uint8_t* GpuPixelBuffer::map(AccessMode mode) {
+    if (mAccessMode == kAccessMode_None) {
+        mCaches.pixelBufferState().bind(mBuffer);
+        mMappedPointer = (uint8_t*)glMapBufferRange(GL_PIXEL_UNPACK_BUFFER, 0, getSize(), mode);
+        if (CC_UNLIKELY(!mMappedPointer)) {
+            GLUtils::dumpGLErrors();
+            LOG_ALWAYS_FATAL("Failed to map PBO");
+        }
+        mAccessMode = mode;
+        mCaches.pixelBufferState().unbind();
+    }
+
+    return mMappedPointer;
+}
+
+void GpuPixelBuffer::unmap() {
+    if (mAccessMode != kAccessMode_None) {
+        if (mMappedPointer) {
+            mCaches.pixelBufferState().bind(mBuffer);
+            GLboolean status = glUnmapBuffer(GL_PIXEL_UNPACK_BUFFER);
+            if (status == GL_FALSE) {
+                ALOGE("Corrupted GPU pixel buffer");
+            }
+        }
+        mAccessMode = kAccessMode_None;
+        mMappedPointer = nullptr;
+    }
+}
+
+void GpuPixelBuffer::upload(uint32_t x, uint32_t y, uint32_t width, uint32_t height, int offset) {
+    // If the buffer is not mapped, unmap() will not bind it
+    mCaches.pixelBufferState().bind(mBuffer);
+    unmap();
+    glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, width, height, mFormat, GL_UNSIGNED_BYTE,
+                    reinterpret_cast<void*>(offset));
+    mCaches.pixelBufferState().unbind();
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// Factory
+///////////////////////////////////////////////////////////////////////////////
+
+PixelBuffer* PixelBuffer::create(GLenum format, uint32_t width, uint32_t height, BufferType type) {
+    if (type == kBufferType_Auto && Caches::getInstance().gpuPixelBuffersEnabled) {
+        return new GpuPixelBuffer(format, width, height);
+    }
+    return new CpuPixelBuffer(format, width, height);
+}
+
+};  // namespace uirenderer
+};  // namespace android
diff --git a/libs/hwui/PixelBuffer.h b/libs/hwui/PixelBuffer.h
new file mode 100644
index 0000000..e7e341b
--- /dev/null
+++ b/libs/hwui/PixelBuffer.h
@@ -0,0 +1,198 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HWUI_PIXEL_BUFFER_H
+#define ANDROID_HWUI_PIXEL_BUFFER_H
+
+#include <GLES3/gl3.h>
+
+#include <log/log.h>
+
+namespace android {
+namespace uirenderer {
+
+/**
+ * Represents a pixel buffer. A pixel buffer will be backed either by a
+ * PBO on OpenGL ES 3.0 and higher or by an array of uint8_t on other
+ * versions. If the buffer is backed by a PBO it will of type
+ * GL_PIXEL_UNPACK_BUFFER.
+ *
+ * To read from or write into a PixelBuffer you must first map the
+ * buffer using the map(AccessMode) method. This method returns a
+ * pointer to the beginning of the buffer.
+ *
+ * Before the buffer can be used by the GPU, for instance to upload
+ * a texture, you must first unmap the buffer. To do so, call the
+ * unmap() method.
+ *
+ * Mapping and unmapping a PixelBuffer can have the side effect of
+ * changing the currently active GL_PIXEL_UNPACK_BUFFER. It is
+ * therefore recommended to call Caches::unbindPixelbuffer() after
+ * using a PixelBuffer to upload to a texture.
+ */
+class PixelBuffer {
+public:
+    enum BufferType { kBufferType_Auto, kBufferType_CPU };
+
+    enum AccessMode {
+        kAccessMode_None = 0,
+        kAccessMode_Read = GL_MAP_READ_BIT,
+        kAccessMode_Write = GL_MAP_WRITE_BIT,
+        kAccessMode_ReadWrite = GL_MAP_READ_BIT | GL_MAP_WRITE_BIT
+    };
+
+    /**
+     * Creates a new PixelBuffer object with the specified format and
+     * dimensions. The buffer is immediately allocated.
+     *
+     * The buffer type specifies how the buffer should be allocated.
+     * By default this method will automatically choose whether to allocate
+     * a CPU or GPU buffer.
+     */
+    static PixelBuffer* create(GLenum format, uint32_t width, uint32_t height,
+                               BufferType type = kBufferType_Auto);
+
+    virtual ~PixelBuffer() {}
+
+    /**
+     * Returns the format of this render buffer.
+     */
+    GLenum getFormat() const { return mFormat; }
+
+    /**
+     * Maps this before with the specified access mode. This method
+     * returns a pointer to the region of memory where the buffer was
+     * mapped.
+     *
+     * If the buffer is already mapped when this method is invoked,
+     * this method will return the previously mapped pointer. The
+     * access mode can only be changed by calling unmap() first.
+     *
+     * The specified access mode cannot be kAccessMode_None.
+     */
+    virtual uint8_t* map(AccessMode mode = kAccessMode_ReadWrite) = 0;
+
+    /**
+     * Returns the current access mode for this buffer. If the buffer
+     * is not mapped, this method returns kAccessMode_None.
+     */
+    AccessMode getAccessMode() const { return mAccessMode; }
+
+    /**
+     * Upload the specified rectangle of this pixel buffer as a
+     * GL_TEXTURE_2D texture. Calling this method will trigger
+     * an unmap() if necessary.
+     */
+    virtual void upload(uint32_t x, uint32_t y, uint32_t width, uint32_t height, int offset) = 0;
+
+    /**
+     * Upload the specified rectangle of this pixel buffer as a
+     * GL_TEXTURE_2D texture. Calling this method will trigger
+     * an unmap() if necessary.
+     *
+     * This is a convenience function provided to save callers the
+     * trouble of computing the offset parameter.
+     */
+    void upload(uint32_t x, uint32_t y, uint32_t width, uint32_t height) {
+        upload(x, y, width, height, getOffset(x, y));
+    }
+
+    /**
+     * Returns the width of the render buffer in pixels.
+     */
+    uint32_t getWidth() const { return mWidth; }
+
+    /**
+     * Returns the height of the render buffer in pixels.
+     */
+    uint32_t getHeight() const { return mHeight; }
+
+    /**
+     * Returns the size of this pixel buffer in bytes.
+     */
+    uint32_t getSize() const { return mWidth * mHeight * formatSize(mFormat); }
+
+    /**
+     * Returns the offset of a pixel in this pixel buffer, in bytes.
+     */
+    uint32_t getOffset(uint32_t x, uint32_t y) const {
+        return (y * mWidth + x) * formatSize(mFormat);
+    }
+
+    /**
+     * Returns the number of bytes per pixel in the specified format.
+     *
+     * Supported formats:
+     *      GL_ALPHA
+     *      GL_RGBA
+     */
+    static uint32_t formatSize(GLenum format) {
+        switch (format) {
+            case GL_ALPHA:
+                return 1;
+            case GL_RGBA:
+                return 4;
+        }
+        return 0;
+    }
+
+    /**
+     * Returns the alpha channel offset in the specified format.
+     *
+     * Supported formats:
+     *      GL_ALPHA
+     *      GL_RGBA
+     */
+    static uint32_t formatAlphaOffset(GLenum format) {
+        switch (format) {
+            case GL_ALPHA:
+                return 0;
+            case GL_RGBA:
+                return 3;
+        }
+
+        ALOGE("unsupported format: %d", format);
+        return 0;
+    }
+
+protected:
+    /**
+     * Creates a new render buffer in the specified format and dimensions.
+     * The format must be GL_ALPHA or GL_RGBA.
+     */
+    PixelBuffer(GLenum format, uint32_t width, uint32_t height)
+            : mFormat(format), mWidth(width), mHeight(height), mAccessMode(kAccessMode_None) {}
+
+    /**
+     * Unmaps this buffer, if needed. After the buffer is unmapped,
+     * the pointer previously returned by map() becomes invalid and
+     * should not be used.
+     */
+    virtual void unmap() = 0;
+
+    GLenum mFormat;
+
+    uint32_t mWidth;
+    uint32_t mHeight;
+
+    AccessMode mAccessMode;
+
+};  // class PixelBuffer
+
+};  // namespace uirenderer
+};  // namespace android
+
+#endif  // ANDROID_HWUI_PIXEL_BUFFER_H
diff --git a/libs/hwui/RenderProperties.h b/libs/hwui/RenderProperties.h
index 7966845..0766e3b 100644
--- a/libs/hwui/RenderProperties.h
+++ b/libs/hwui/RenderProperties.h
@@ -16,6 +16,7 @@
 
 #pragma once
 
+#include "Caches.h"
 #include "DeviceInfo.h"
 #include "Outline.h"
 #include "Rect.h"
diff --git a/libs/hwui/ResourceCache.cpp b/libs/hwui/ResourceCache.cpp
index 65bee47..464a58d 100644
--- a/libs/hwui/ResourceCache.cpp
+++ b/libs/hwui/ResourceCache.cpp
@@ -15,6 +15,7 @@
  */
 
 #include "ResourceCache.h"
+#include "Caches.h"
 
 namespace android {
 
@@ -111,9 +112,13 @@
     ResourceReference* ref = index >= 0 ? mCache->valueAt(index) : nullptr;
     if (ref == nullptr) {
         // If we're not tracking this resource, just delete it
-        // A Res_png_9patch is actually an array of byte that's larger
-        // than sizeof(Res_png_9patch). It must be freed as an array.
-        delete[](int8_t*) resource;
+        if (Caches::hasInstance()) {
+            // DEAD CODE
+        } else {
+            // A Res_png_9patch is actually an array of byte that's larger
+            // than sizeof(Res_png_9patch). It must be freed as an array.
+            delete[](int8_t*) resource;
+        }
         return;
     }
     ref->destroyed = true;
@@ -130,10 +135,14 @@
     if (ref->destroyed) {
         switch (ref->resourceType) {
             case kNinePatch: {
-                // A Res_png_9patch is actually an array of byte that's larger
-                // than sizeof(Res_png_9patch). It must be freed as an array.
-                int8_t* patch = (int8_t*)resource;
-                delete[] patch;
+                if (Caches::hasInstance()) {
+                    // DEAD CODE
+                } else {
+                    // A Res_png_9patch is actually an array of byte that's larger
+                    // than sizeof(Res_png_9patch). It must be freed as an array.
+                    int8_t* patch = (int8_t*)resource;
+                    delete[] patch;
+                }
             } break;
         }
     }
diff --git a/libs/hwui/Texture.cpp b/libs/hwui/Texture.cpp
new file mode 100644
index 0000000..1e90eeb
--- /dev/null
+++ b/libs/hwui/Texture.cpp
@@ -0,0 +1,413 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "Texture.h"
+#include "Caches.h"
+#include "utils/GLUtils.h"
+#include "utils/MathUtils.h"
+#include "utils/TraceUtils.h"
+
+#include <utils/Log.h>
+
+#include <math/mat4.h>
+
+#include <SkCanvas.h>
+
+namespace android {
+namespace uirenderer {
+
+// Number of bytes used by a texture in the given format
+static int bytesPerPixel(GLint glFormat) {
+    switch (glFormat) {
+        // The wrapped-texture case, usually means a SurfaceTexture
+        case 0:
+            return 0;
+        case GL_LUMINANCE:
+        case GL_ALPHA:
+            return 1;
+        case GL_SRGB8:
+        case GL_RGB:
+            return 3;
+        case GL_SRGB8_ALPHA8:
+        case GL_RGBA:
+            return 4;
+        case GL_RGBA16F:
+            return 8;
+        default:
+            LOG_ALWAYS_FATAL("UNKNOWN FORMAT 0x%x", glFormat);
+    }
+}
+
+void Texture::setWrapST(GLenum wrapS, GLenum wrapT, bool bindTexture, bool force) {
+    if (force || wrapS != mWrapS || wrapT != mWrapT) {
+        mWrapS = wrapS;
+        mWrapT = wrapT;
+
+        if (bindTexture) {
+            mCaches.textureState().bindTexture(mTarget, mId);
+        }
+
+        glTexParameteri(mTarget, GL_TEXTURE_WRAP_S, wrapS);
+        glTexParameteri(mTarget, GL_TEXTURE_WRAP_T, wrapT);
+    }
+}
+
+void Texture::setFilterMinMag(GLenum min, GLenum mag, bool bindTexture, bool force) {
+    if (force || min != mMinFilter || mag != mMagFilter) {
+        mMinFilter = min;
+        mMagFilter = mag;
+
+        if (bindTexture) {
+            mCaches.textureState().bindTexture(mTarget, mId);
+        }
+
+        if (mipMap && min == GL_LINEAR) min = GL_LINEAR_MIPMAP_LINEAR;
+
+        glTexParameteri(mTarget, GL_TEXTURE_MIN_FILTER, min);
+        glTexParameteri(mTarget, GL_TEXTURE_MAG_FILTER, mag);
+    }
+}
+
+void Texture::deleteTexture() {
+    mCaches.textureState().deleteTexture(mId);
+    mId = 0;
+    mTarget = GL_NONE;
+    if (mEglImageHandle != EGL_NO_IMAGE_KHR) {
+        EGLDisplay eglDisplayHandle = eglGetCurrentDisplay();
+        eglDestroyImageKHR(eglDisplayHandle, mEglImageHandle);
+        mEglImageHandle = EGL_NO_IMAGE_KHR;
+    }
+}
+
+bool Texture::updateLayout(uint32_t width, uint32_t height, GLint internalFormat, GLint format,
+                           GLenum target) {
+    if (mWidth == width && mHeight == height && mFormat == format &&
+        mInternalFormat == internalFormat && mTarget == target) {
+        return false;
+    }
+    mWidth = width;
+    mHeight = height;
+    mFormat = format;
+    mInternalFormat = internalFormat;
+    mTarget = target;
+    notifySizeChanged(mWidth * mHeight * bytesPerPixel(internalFormat));
+    return true;
+}
+
+void Texture::resetCachedParams() {
+    mWrapS = GL_REPEAT;
+    mWrapT = GL_REPEAT;
+    mMinFilter = GL_NEAREST_MIPMAP_LINEAR;
+    mMagFilter = GL_LINEAR;
+}
+
+void Texture::upload(GLint internalFormat, uint32_t width, uint32_t height, GLenum format,
+                     GLenum type, const void* pixels) {
+    GL_CHECKPOINT(MODERATE);
+
+    // We don't have color space information, we assume the data is gamma encoded
+    mIsLinear = false;
+
+    bool needsAlloc = updateLayout(width, height, internalFormat, format, GL_TEXTURE_2D);
+    if (!mId) {
+        glGenTextures(1, &mId);
+        needsAlloc = true;
+        resetCachedParams();
+    }
+    mCaches.textureState().bindTexture(GL_TEXTURE_2D, mId);
+    if (needsAlloc) {
+        glTexImage2D(GL_TEXTURE_2D, 0, internalFormat, mWidth, mHeight, 0, format, type, pixels);
+    } else if (pixels) {
+        glTexSubImage2D(GL_TEXTURE_2D, 0, internalFormat, mWidth, mHeight, 0, format, type, pixels);
+    }
+    GL_CHECKPOINT(MODERATE);
+}
+
+void Texture::uploadHardwareBitmapToTexture(GraphicBuffer* buffer) {
+    EGLDisplay eglDisplayHandle = eglGetCurrentDisplay();
+    if (mEglImageHandle != EGL_NO_IMAGE_KHR) {
+        eglDestroyImageKHR(eglDisplayHandle, mEglImageHandle);
+        mEglImageHandle = EGL_NO_IMAGE_KHR;
+    }
+    mEglImageHandle = eglCreateImageKHR(eglDisplayHandle, EGL_NO_CONTEXT, EGL_NATIVE_BUFFER_ANDROID,
+                                        buffer->getNativeBuffer(), 0);
+    glEGLImageTargetTexture2DOES(GL_TEXTURE_EXTERNAL_OES, mEglImageHandle);
+}
+
+static void uploadToTexture(bool resize, GLint internalFormat, GLenum format, GLenum type,
+                            GLsizei stride, GLsizei bpp, GLsizei width, GLsizei height,
+                            const GLvoid* data) {
+    const bool useStride =
+            stride != width && Caches::getInstance().extensions().hasUnpackRowLength();
+    if ((stride == width) || useStride) {
+        if (useStride) {
+            glPixelStorei(GL_UNPACK_ROW_LENGTH, stride);
+        }
+
+        if (resize) {
+            glTexImage2D(GL_TEXTURE_2D, 0, internalFormat, width, height, 0, format, type, data);
+        } else {
+            glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, format, type, data);
+        }
+
+        if (useStride) {
+            glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
+        }
+    } else {
+        //  With OpenGL ES 2.0 we need to copy the bitmap in a temporary buffer
+        //  if the stride doesn't match the width
+
+        GLvoid* temp = (GLvoid*)malloc(width * height * bpp);
+        if (!temp) return;
+
+        uint8_t* pDst = (uint8_t*)temp;
+        uint8_t* pSrc = (uint8_t*)data;
+        for (GLsizei i = 0; i < height; i++) {
+            memcpy(pDst, pSrc, width * bpp);
+            pDst += width * bpp;
+            pSrc += stride * bpp;
+        }
+
+        if (resize) {
+            glTexImage2D(GL_TEXTURE_2D, 0, internalFormat, width, height, 0, format, type, temp);
+        } else {
+            glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, format, type, temp);
+        }
+
+        free(temp);
+    }
+}
+
+void Texture::colorTypeToGlFormatAndType(const Caches& caches, SkColorType colorType, bool needSRGB,
+                                         GLint* outInternalFormat, GLint* outFormat,
+                                         GLint* outType) {
+    switch (colorType) {
+        case kAlpha_8_SkColorType:
+            *outFormat = GL_ALPHA;
+            *outInternalFormat = GL_ALPHA;
+            *outType = GL_UNSIGNED_BYTE;
+            break;
+        case kRGB_565_SkColorType:
+            if (needSRGB) {
+                // We would ideally use a GL_RGB/GL_SRGB8 texture but the
+                // intermediate Skia bitmap needs to be ARGB_8888
+                *outFormat = GL_RGBA;
+                *outInternalFormat = caches.rgbaInternalFormat();
+                *outType = GL_UNSIGNED_BYTE;
+            } else {
+                *outFormat = GL_RGB;
+                *outInternalFormat = GL_RGB;
+                *outType = GL_UNSIGNED_SHORT_5_6_5;
+            }
+            break;
+        // ARGB_4444 is upconverted to RGBA_8888
+        case kARGB_4444_SkColorType:
+        case kN32_SkColorType:
+            *outFormat = GL_RGBA;
+            *outInternalFormat = caches.rgbaInternalFormat(needSRGB);
+            *outType = GL_UNSIGNED_BYTE;
+            break;
+        case kGray_8_SkColorType:
+            *outFormat = GL_LUMINANCE;
+            *outInternalFormat = GL_LUMINANCE;
+            *outType = GL_UNSIGNED_BYTE;
+            break;
+        case kRGBA_F16_SkColorType:
+            if (caches.extensions().getMajorGlVersion() >= 3) {
+                // This format is always linear
+                *outFormat = GL_RGBA;
+                *outInternalFormat = GL_RGBA16F;
+                *outType = GL_HALF_FLOAT;
+            } else {
+                *outFormat = GL_RGBA;
+                *outInternalFormat = caches.rgbaInternalFormat(true);
+                *outType = GL_UNSIGNED_BYTE;
+            }
+            break;
+        default:
+            LOG_ALWAYS_FATAL("Unsupported bitmap colorType: %d", colorType);
+            break;
+    }
+}
+
+SkBitmap Texture::uploadToN32(const SkBitmap& bitmap, bool hasLinearBlending,
+                              sk_sp<SkColorSpace> sRGB) {
+    SkBitmap rgbaBitmap;
+    rgbaBitmap.allocPixels(SkImageInfo::MakeN32(bitmap.width(), bitmap.height(),
+                                                bitmap.info().alphaType(),
+                                                hasLinearBlending ? sRGB : nullptr));
+    rgbaBitmap.eraseColor(0);
+
+    if (bitmap.colorType() == kRGBA_F16_SkColorType) {
+        // Drawing RGBA_F16 onto ARGB_8888 is not supported
+        bitmap.readPixels(rgbaBitmap.info().makeColorSpace(SkColorSpace::MakeSRGB()),
+                          rgbaBitmap.getPixels(), rgbaBitmap.rowBytes(), 0, 0);
+    } else {
+        SkCanvas canvas(rgbaBitmap);
+        canvas.drawBitmap(bitmap, 0.0f, 0.0f, nullptr);
+    }
+
+    return rgbaBitmap;
+}
+
+bool Texture::hasUnsupportedColorType(const SkImageInfo& info, bool hasLinearBlending) {
+    return info.colorType() == kARGB_4444_SkColorType ||
+           (info.colorType() == kRGB_565_SkColorType && hasLinearBlending &&
+            info.colorSpace()->isSRGB()) ||
+           (info.colorType() == kRGBA_F16_SkColorType &&
+            Caches::getInstance().extensions().getMajorGlVersion() < 3);
+}
+
+void Texture::upload(Bitmap& bitmap) {
+    ATRACE_FORMAT("Upload %ux%u Texture", bitmap.width(), bitmap.height());
+
+    // We could also enable mipmapping if both bitmap dimensions are powers
+    // of 2 but we'd have to deal with size changes. Let's keep this simple
+    const bool canMipMap = mCaches.extensions().hasNPot();
+
+    // If the texture had mipmap enabled but not anymore,
+    // force a glTexImage2D to discard the mipmap levels
+    bool needsAlloc = canMipMap && mipMap && !bitmap.hasHardwareMipMap();
+    bool setDefaultParams = false;
+
+    if (!mId) {
+        glGenTextures(1, &mId);
+        needsAlloc = true;
+        setDefaultParams = true;
+    }
+
+    bool hasLinearBlending = mCaches.extensions().hasLinearBlending();
+    bool needSRGB = transferFunctionCloseToSRGB(bitmap.info().colorSpace());
+
+    GLint internalFormat, format, type;
+    colorTypeToGlFormatAndType(mCaches, bitmap.colorType(), needSRGB && hasLinearBlending,
+                               &internalFormat, &format, &type);
+
+    // Some devices don't support GL_RGBA16F, so we need to compare the color type
+    // and internal GL format to decide what to do with 16 bit bitmaps
+    bool rgba16fNeedsConversion =
+            bitmap.colorType() == kRGBA_F16_SkColorType && internalFormat != GL_RGBA16F;
+
+    // RGBA16F is always linear extended sRGB
+    if (internalFormat == GL_RGBA16F) {
+        mIsLinear = true;
+    }
+
+    mConnector.reset();
+
+    // Alpha masks don't have color profiles
+    // If an RGBA16F bitmap needs conversion, we know the target will be sRGB
+    if (!mIsLinear && internalFormat != GL_ALPHA && !rgba16fNeedsConversion) {
+        SkColorSpace* colorSpace = bitmap.info().colorSpace();
+        // If the bitmap is sRGB we don't need conversion
+        if (colorSpace != nullptr && !colorSpace->isSRGB()) {
+            SkMatrix44 xyzMatrix(SkMatrix44::kUninitialized_Constructor);
+            if (!colorSpace->toXYZD50(&xyzMatrix)) {
+                ALOGW("Incompatible color space!");
+            } else {
+                SkColorSpaceTransferFn fn;
+                if (!colorSpace->isNumericalTransferFn(&fn)) {
+                    ALOGW("Incompatible color space, no numerical transfer function!");
+                } else {
+                    float data[16];
+                    xyzMatrix.asColMajorf(data);
+
+                    ColorSpace::TransferParameters p = {fn.fG, fn.fA, fn.fB, fn.fC,
+                                                        fn.fD, fn.fE, fn.fF};
+                    ColorSpace src("Unnamed", mat4f((const float*)&data[0]).upperLeft(), p);
+                    mConnector.reset(new ColorSpaceConnector(src, ColorSpace::sRGB()));
+
+                    // A non-sRGB color space might have a transfer function close enough to sRGB
+                    // that we can save shader instructions by using an sRGB sampler
+                    // This is only possible if we have hardware support for sRGB textures
+                    if (needSRGB && internalFormat == GL_RGBA && mCaches.extensions().hasSRGB() &&
+                        !bitmap.isHardware()) {
+                        internalFormat = GL_SRGB8_ALPHA8;
+                    }
+                }
+            }
+        }
+    }
+
+    GLenum target = bitmap.isHardware() ? GL_TEXTURE_EXTERNAL_OES : GL_TEXTURE_2D;
+    needsAlloc |= updateLayout(bitmap.width(), bitmap.height(), internalFormat, format, target);
+
+    blend = !bitmap.isOpaque();
+    mCaches.textureState().bindTexture(mTarget, mId);
+
+    // TODO: Handle sRGB gray bitmaps
+    if (CC_UNLIKELY(hasUnsupportedColorType(bitmap.info(), hasLinearBlending))) {
+        SkBitmap skBitmap;
+        bitmap.getSkBitmap(&skBitmap);
+        sk_sp<SkColorSpace> sRGB = SkColorSpace::MakeSRGB();
+        SkBitmap rgbaBitmap = uploadToN32(skBitmap, hasLinearBlending, std::move(sRGB));
+        uploadToTexture(needsAlloc, internalFormat, format, type, rgbaBitmap.rowBytesAsPixels(),
+                        rgbaBitmap.bytesPerPixel(), rgbaBitmap.width(), rgbaBitmap.height(),
+                        rgbaBitmap.getPixels());
+    } else if (bitmap.isHardware()) {
+        uploadHardwareBitmapToTexture(bitmap.graphicBuffer());
+    } else {
+        uploadToTexture(needsAlloc, internalFormat, format, type, bitmap.rowBytesAsPixels(),
+                        bitmap.info().bytesPerPixel(), bitmap.width(), bitmap.height(),
+                        bitmap.pixels());
+    }
+
+    if (canMipMap) {
+        mipMap = bitmap.hasHardwareMipMap();
+        if (mipMap) {
+            glGenerateMipmap(GL_TEXTURE_2D);
+        }
+    }
+
+    if (setDefaultParams) {
+        setFilter(GL_NEAREST);
+        setWrap(GL_CLAMP_TO_EDGE);
+    }
+}
+
+void Texture::wrap(GLuint id, uint32_t width, uint32_t height, GLint internalFormat, GLint format,
+                   GLenum target) {
+    mId = id;
+    mWidth = width;
+    mHeight = height;
+    mFormat = format;
+    mInternalFormat = internalFormat;
+    mTarget = target;
+    mConnector.reset();
+    // We're wrapping an existing texture, so don't double count this memory
+    notifySizeChanged(0);
+}
+
+TransferFunctionType Texture::getTransferFunctionType() const {
+    if (mConnector.get() != nullptr && mInternalFormat != GL_SRGB8_ALPHA8) {
+        const ColorSpace::TransferParameters& p = mConnector->getSource().getTransferParameters();
+        if (MathUtils::isZero(p.e) && MathUtils::isZero(p.f)) {
+            if (MathUtils::areEqual(p.a, 1.0f) && MathUtils::isZero(p.b) &&
+                MathUtils::isZero(p.c) && MathUtils::isZero(p.d)) {
+                if (MathUtils::areEqual(p.g, 1.0f)) {
+                    return TransferFunctionType::None;
+                }
+                return TransferFunctionType::Gamma;
+            }
+            return TransferFunctionType::Limited;
+        }
+        return TransferFunctionType::Full;
+    }
+    return TransferFunctionType::None;
+}
+
+};  // namespace uirenderer
+};  // namespace android
diff --git a/libs/hwui/Texture.h b/libs/hwui/Texture.h
new file mode 100644
index 0000000..5b7e4e2
--- /dev/null
+++ b/libs/hwui/Texture.h
@@ -0,0 +1,228 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HWUI_TEXTURE_H
+#define ANDROID_HWUI_TEXTURE_H
+
+#include "GpuMemoryTracker.h"
+#include "hwui/Bitmap.h"
+#include "utils/Color.h"
+
+#include <memory>
+
+#include <math/mat3.h>
+
+#include <ui/ColorSpace.h>
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <GLES2/gl2.h>
+#include <GLES3/gl3.h>
+#include <SkBitmap.h>
+
+namespace android {
+
+class GraphicBuffer;
+
+namespace uirenderer {
+
+class Caches;
+class UvMapper;
+class Layer;
+
+/**
+ * Represents an OpenGL texture.
+ */
+class Texture : public GpuMemoryTracker {
+public:
+    static SkBitmap uploadToN32(const SkBitmap& bitmap, bool hasLinearBlending,
+                                sk_sp<SkColorSpace> sRGB);
+    static bool hasUnsupportedColorType(const SkImageInfo& info, bool hasLinearBlending);
+    static void colorTypeToGlFormatAndType(const Caches& caches, SkColorType colorType,
+                                           bool needSRGB, GLint* outInternalFormat,
+                                           GLint* outFormat, GLint* outType);
+
+    explicit Texture(Caches& caches) : GpuMemoryTracker(GpuObjectType::Texture), mCaches(caches) {}
+
+    virtual ~Texture() {}
+
+    inline void setWrap(GLenum wrap, bool bindTexture = false, bool force = false) {
+        setWrapST(wrap, wrap, bindTexture, force);
+    }
+
+    virtual void setWrapST(GLenum wrapS, GLenum wrapT, bool bindTexture = false,
+                           bool force = false);
+
+    inline void setFilter(GLenum filter, bool bindTexture = false, bool force = false) {
+        setFilterMinMag(filter, filter, bindTexture, force);
+    }
+
+    virtual void setFilterMinMag(GLenum min, GLenum mag, bool bindTexture = false,
+                                 bool force = false);
+
+    /**
+     * Convenience method to call glDeleteTextures() on this texture's id.
+     */
+    void deleteTexture();
+
+    /**
+     * Sets the width, height, and format of the texture along with allocating
+     * the texture ID. Does nothing if the width, height, and format are already
+     * the requested values.
+     *
+     * The image data is undefined after calling this.
+     */
+    void resize(uint32_t width, uint32_t height, GLint internalFormat, GLint format) {
+        upload(internalFormat, width, height, format,
+               internalFormat == GL_RGBA16F ? GL_HALF_FLOAT : GL_UNSIGNED_BYTE, nullptr);
+    }
+
+    /**
+     * Updates this Texture with the contents of the provided Bitmap,
+     * also setting the appropriate width, height, and format. It is not necessary
+     * to call resize() prior to this.
+     *
+     * Note this does not set the generation from the Bitmap.
+     */
+    void upload(Bitmap& source);
+
+    /**
+     * Basically glTexImage2D/glTexSubImage2D.
+     */
+    void upload(GLint internalFormat, uint32_t width, uint32_t height, GLenum format, GLenum type,
+                const void* pixels);
+
+    /**
+     * Wraps an existing texture.
+     */
+    void wrap(GLuint id, uint32_t width, uint32_t height, GLint internalFormat, GLint format,
+              GLenum target);
+
+    GLuint id() const { return mId; }
+
+    uint32_t width() const { return mWidth; }
+
+    uint32_t height() const { return mHeight; }
+
+    GLint format() const { return mFormat; }
+
+    GLint internalFormat() const { return mInternalFormat; }
+
+    GLenum target() const { return mTarget; }
+
+    /**
+     * Returns nullptr if this texture does not require color space conversion
+     * to sRGB, or a valid pointer to a ColorSpaceConnector if a conversion
+     * is required.
+     */
+    constexpr const ColorSpaceConnector* getColorSpaceConnector() const { return mConnector.get(); }
+
+    constexpr bool hasColorSpaceConversion() const { return mConnector.get() != nullptr; }
+
+    TransferFunctionType getTransferFunctionType() const;
+
+    /**
+     * Returns true if this texture uses a linear encoding format.
+     */
+    constexpr bool isLinear() const { return mIsLinear; }
+
+    /**
+     * Generation of the backing bitmap,
+     */
+    uint32_t generation = 0;
+    /**
+     * Indicates whether the texture requires blending.
+     */
+    bool blend = false;
+    /**
+     * Indicates whether this texture should be cleaned up after use.
+     */
+    bool cleanup = false;
+    /**
+     * Optional, size of the original bitmap.
+     */
+    uint32_t bitmapSize = 0;
+    /**
+     * Indicates whether this texture will use trilinear filtering.
+     */
+    bool mipMap = false;
+
+    /**
+     * Optional, pointer to a texture coordinates mapper.
+     */
+    const UvMapper* uvMapper = nullptr;
+
+    /**
+     * Whether or not the Texture is marked in use and thus not evictable for
+     * the current frame. This is reset at the start of a new frame.
+     */
+    void* isInUse = nullptr;
+
+private:
+    // TODO: Temporarily grant private access to GlLayer, remove once
+    // GlLayer can be de-tangled from being a dual-purpose render target
+    // and external texture wrapper
+    friend class GlLayer;
+
+    // Returns true if the texture layout (size, format, etc.) changed, false if it was the same
+    bool updateLayout(uint32_t width, uint32_t height, GLint internalFormat, GLint format,
+                      GLenum target);
+    void uploadHardwareBitmapToTexture(GraphicBuffer* buffer);
+    void resetCachedParams();
+
+    GLuint mId = 0;
+    uint32_t mWidth = 0;
+    uint32_t mHeight = 0;
+    GLint mFormat = 0;
+    GLint mInternalFormat = 0;
+    GLenum mTarget = GL_NONE;
+    EGLImageKHR mEglImageHandle = EGL_NO_IMAGE_KHR;
+
+    /* See GLES spec section 3.8.14
+     * "In the initial state, the value assigned to TEXTURE_MIN_FILTER is
+     * NEAREST_MIPMAP_LINEAR and the value for TEXTURE_MAG_FILTER is LINEAR.
+     * s, t, and r wrap modes are all set to REPEAT."
+     */
+    GLenum mWrapS = GL_REPEAT;
+    GLenum mWrapT = GL_REPEAT;
+    GLenum mMinFilter = GL_NEAREST_MIPMAP_LINEAR;
+    GLenum mMagFilter = GL_LINEAR;
+
+    // Indicates whether the content of the texture is in linear space
+    bool mIsLinear = false;
+
+    Caches& mCaches;
+
+    std::unique_ptr<ColorSpaceConnector> mConnector;
+};  // struct Texture
+
+class AutoTexture {
+public:
+    explicit AutoTexture(Texture* texture) : texture(texture) {}
+    ~AutoTexture() {
+        if (texture && texture->cleanup) {
+            texture->deleteTexture();
+            delete texture;
+        }
+    }
+
+    Texture* const texture;
+};  // class AutoTexture
+
+};  // namespace uirenderer
+};  // namespace android
+
+#endif  // ANDROID_HWUI_TEXTURE_H
diff --git a/libs/hwui/VkLayer.cpp b/libs/hwui/VkLayer.cpp
new file mode 100644
index 0000000..30fba7a
--- /dev/null
+++ b/libs/hwui/VkLayer.cpp
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "VkLayer.h"
+
+#include "renderstate/RenderState.h"
+
+#include <SkCanvas.h>
+#include <SkSurface.h>
+
+namespace android {
+namespace uirenderer {
+
+void VkLayer::updateTexture() {
+    sk_sp<SkSurface> surface;
+    SkImageInfo info = SkImageInfo::MakeS32(mWidth, mHeight, kPremul_SkAlphaType);
+    surface = SkSurface::MakeRenderTarget(mRenderState.getGrContext(), SkBudgeted::kNo, info);
+    surface->getCanvas()->clear(SK_ColorBLUE);
+    mImage = surface->makeImageSnapshot();
+}
+
+void VkLayer::onVkContextDestroyed() {
+    mImage = nullptr;
+}
+
+};  // namespace uirenderer
+};  // namespace android
diff --git a/libs/hwui/VkLayer.h b/libs/hwui/VkLayer.h
new file mode 100644
index 0000000..e9664d0
--- /dev/null
+++ b/libs/hwui/VkLayer.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include "Layer.h"
+
+#include <SkImage.h>
+
+namespace android {
+namespace uirenderer {
+/**
+ * A layer has dimensions and is backed by a VkImage.
+ */
+class VkLayer : public Layer {
+public:
+    VkLayer(RenderState& renderState, uint32_t layerWidth, uint32_t layerHeight,
+            sk_sp<SkColorFilter> colorFilter, int alpha, SkBlendMode mode, bool blend)
+            : Layer(renderState, Api::Vulkan, colorFilter, alpha, mode)
+            , mWidth(layerWidth)
+            , mHeight(layerHeight)
+            , mBlend(blend) {}
+
+    virtual ~VkLayer() {}
+
+    uint32_t getWidth() const override { return mWidth; }
+
+    uint32_t getHeight() const override { return mHeight; }
+
+    void setSize(uint32_t width, uint32_t height) override {
+        mWidth = width;
+        mHeight = height;
+    }
+
+    void setBlend(bool blend) override { mBlend = blend; }
+
+    bool isBlend() const override { return mBlend; }
+
+    sk_sp<SkImage> getImage() { return mImage; }
+
+    void updateTexture();
+
+    // If we've destroyed the vulkan context (VkInstance, VkDevice, etc.), we must make sure to
+    // destroy any VkImages that were made with that context.
+    void onVkContextDestroyed();
+
+private:
+    int mWidth;
+    int mHeight;
+    bool mBlend;
+
+    sk_sp<SkImage> mImage;
+
+};  // struct VkLayer
+
+};  // namespace uirenderer
+};  // namespace android
diff --git a/libs/hwui/hwui/Bitmap.cpp b/libs/hwui/hwui/Bitmap.cpp
index 3939696..a7d37f8 100644
--- a/libs/hwui/hwui/Bitmap.cpp
+++ b/libs/hwui/hwui/Bitmap.cpp
@@ -15,11 +15,11 @@
  */
 #include "Bitmap.h"
 
+#include "Caches.h"
 #include "HardwareBitmapUploader.h"
 #include "Properties.h"
 #include "renderthread/RenderProxy.h"
 #include "utils/Color.h"
-#include <utils/Trace.h>
 
 #include <sys/mman.h>
 
diff --git a/libs/hwui/pipeline/skia/LayerDrawable.cpp b/libs/hwui/pipeline/skia/LayerDrawable.cpp
index fb66b50..c41f6a6 100644
--- a/libs/hwui/pipeline/skia/LayerDrawable.cpp
+++ b/libs/hwui/pipeline/skia/LayerDrawable.cpp
@@ -15,6 +15,8 @@
  */
 
 #include "LayerDrawable.h"
+#include "GlLayer.h"
+#include "VkLayer.h"
 
 #include "GrBackendSurface.h"
 #include "SkColorFilter.h"
@@ -39,14 +41,35 @@
         return false;
     }
     // transform the matrix based on the layer
-    SkMatrix layerTransform = layer->getTransform();
-    sk_sp<SkImage> layerImage = layer->getImage();
+    SkMatrix layerTransform;
+    layer->getTransform().copyTo(layerTransform);
+    sk_sp<SkImage> layerImage;
     const int layerWidth = layer->getWidth();
     const int layerHeight = layer->getHeight();
+    if (layer->getApi() == Layer::Api::OpenGL) {
+        GlLayer* glLayer = static_cast<GlLayer*>(layer);
+        GrGLTextureInfo externalTexture;
+        externalTexture.fTarget = glLayer->getRenderTarget();
+        externalTexture.fID = glLayer->getTextureId();
+        // The format may not be GL_RGBA8, but given the DeferredLayerUpdater and GLConsumer don't
+        // expose that info we use it as our default.  Further, given that we only use this texture
+        // as a source this will not impact how Skia uses the texture.  The only potential affect
+        // this is anticipated to have is that for some format types if we are not bound as an OES
+        // texture we may get invalid results for SKP capture if we read back the texture.
+        externalTexture.fFormat = GL_RGBA8;
+        GrBackendTexture backendTexture(layerWidth, layerHeight, GrMipMapped::kNo, externalTexture);
+        layerImage = SkImage::MakeFromTexture(context, backendTexture, kTopLeft_GrSurfaceOrigin,
+                                              kRGBA_8888_SkColorType, kPremul_SkAlphaType, nullptr);
+    } else {
+        SkASSERT(layer->getApi() == Layer::Api::Vulkan);
+        VkLayer* vkLayer = static_cast<VkLayer*>(layer);
+        canvas->clear(SK_ColorGREEN);
+        layerImage = vkLayer->getImage();
+    }
 
     if (layerImage) {
         SkMatrix textureMatrixInv;
-        textureMatrixInv = layer->getTexTransform();
+        layer->getTexTransform().copyTo(textureMatrixInv);
         // TODO: after skia bug https://bugs.chromium.org/p/skia/issues/detail?id=7075 is fixed
         // use bottom left origin and remove flipV and invert transformations.
         SkMatrix flipV;
@@ -72,9 +95,6 @@
         paint.setAlpha(layer->getAlpha());
         paint.setBlendMode(layer->getMode());
         paint.setColorFilter(layer->getColorSpaceWithFilter());
-        if (layer->getForceFilter()) {
-            paint.setFilterQuality(kLow_SkFilterQuality);
-        }
 
         const bool nonIdentityMatrix = !matrix.isIdentity();
         if (nonIdentityMatrix) {
diff --git a/libs/hwui/pipeline/skia/SkiaOpenGLPipeline.cpp b/libs/hwui/pipeline/skia/SkiaOpenGLPipeline.cpp
index 2ae3723..78f5a71 100644
--- a/libs/hwui/pipeline/skia/SkiaOpenGLPipeline.cpp
+++ b/libs/hwui/pipeline/skia/SkiaOpenGLPipeline.cpp
@@ -17,6 +17,7 @@
 #include "SkiaOpenGLPipeline.h"
 
 #include "DeferredLayerUpdater.h"
+#include "GlLayer.h"
 #include "LayerDrawable.h"
 #include "SkiaPipeline.h"
 #include "SkiaProfileRenderer.h"
@@ -186,9 +187,18 @@
     return false;
 }
 
+static Layer* createLayer(RenderState& renderState, uint32_t layerWidth, uint32_t layerHeight,
+                          sk_sp<SkColorFilter> colorFilter, int alpha, SkBlendMode mode,
+                          bool blend) {
+    GlLayer* layer =
+            new GlLayer(renderState, layerWidth, layerHeight, colorFilter, alpha, mode, blend);
+    layer->generateTexture();
+    return layer;
+}
+
 DeferredLayerUpdater* SkiaOpenGLPipeline::createTextureLayer() {
     mRenderThread.requireGlContext();
-    return new DeferredLayerUpdater(mRenderThread.renderState());
+    return new DeferredLayerUpdater(mRenderThread.renderState(), createLayer, Layer::Api::OpenGL);
 }
 
 void SkiaOpenGLPipeline::onStop() {
diff --git a/libs/hwui/pipeline/skia/SkiaVulkanPipeline.cpp b/libs/hwui/pipeline/skia/SkiaVulkanPipeline.cpp
index 5f2eee4..b2519fe 100644
--- a/libs/hwui/pipeline/skia/SkiaVulkanPipeline.cpp
+++ b/libs/hwui/pipeline/skia/SkiaVulkanPipeline.cpp
@@ -20,6 +20,7 @@
 #include "Readback.h"
 #include "SkiaPipeline.h"
 #include "SkiaProfileRenderer.h"
+#include "VkLayer.h"
 #include "renderstate/RenderState.h"
 #include "renderthread/Frame.h"
 
@@ -113,10 +114,16 @@
     return false;
 }
 
+static Layer* createLayer(RenderState& renderState, uint32_t layerWidth, uint32_t layerHeight,
+                          sk_sp<SkColorFilter> colorFilter, int alpha, SkBlendMode mode,
+                          bool blend) {
+    return new VkLayer(renderState, layerWidth, layerHeight, colorFilter, alpha, mode, blend);
+}
+
 DeferredLayerUpdater* SkiaVulkanPipeline::createTextureLayer() {
     mVkManager.initialize();
 
-    return new DeferredLayerUpdater(mRenderThread.renderState());
+    return new DeferredLayerUpdater(mRenderThread.renderState(), createLayer, Layer::Api::Vulkan);
 }
 
 void SkiaVulkanPipeline::onStop() {}
diff --git a/libs/hwui/renderstate/PixelBufferState.cpp b/libs/hwui/renderstate/PixelBufferState.cpp
new file mode 100644
index 0000000..3a6efb8
--- /dev/null
+++ b/libs/hwui/renderstate/PixelBufferState.cpp
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "renderstate/PixelBufferState.h"
+
+namespace android {
+namespace uirenderer {
+
+PixelBufferState::PixelBufferState() : mCurrentPixelBuffer(0) {}
+
+bool PixelBufferState::bind(GLuint buffer) {
+    if (mCurrentPixelBuffer != buffer) {
+        glBindBuffer(GL_PIXEL_UNPACK_BUFFER, buffer);
+        mCurrentPixelBuffer = buffer;
+        return true;
+    }
+    return false;
+}
+
+bool PixelBufferState::unbind() {
+    if (mCurrentPixelBuffer) {
+        glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
+        mCurrentPixelBuffer = 0;
+        return true;
+    }
+    return false;
+}
+
+} /* namespace uirenderer */
+} /* namespace android */
diff --git a/libs/hwui/renderstate/PixelBufferState.h b/libs/hwui/renderstate/PixelBufferState.h
new file mode 100644
index 0000000..f7ae6c5
--- /dev/null
+++ b/libs/hwui/renderstate/PixelBufferState.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef RENDERSTATE_PIXELBUFFERSTATE_H
+#define RENDERSTATE_PIXELBUFFERSTATE_H
+
+#include <GLES3/gl3.h>
+
+namespace android {
+namespace uirenderer {
+
+class PixelBufferState {
+    friend class Caches;  // TODO: move to RenderState
+public:
+    bool bind(GLuint buffer);
+    bool unbind();
+
+private:
+    PixelBufferState();
+    GLuint mCurrentPixelBuffer;
+};
+
+} /* namespace uirenderer */
+} /* namespace android */
+
+#endif  // RENDERSTATE_PIXELBUFFERSTATE_H
diff --git a/libs/hwui/renderstate/RenderState.cpp b/libs/hwui/renderstate/RenderState.cpp
index b524bcb..3be84f5 100644
--- a/libs/hwui/renderstate/RenderState.cpp
+++ b/libs/hwui/renderstate/RenderState.cpp
@@ -16,6 +16,8 @@
 #include "renderstate/RenderState.h"
 #include <GpuMemoryTracker.h>
 #include "DeferredLayerUpdater.h"
+#include "GlLayer.h"
+#include "VkLayer.h"
 #include "Snapshot.h"
 
 #include "renderthread/CanvasContext.h"
@@ -37,11 +39,44 @@
 RenderState::~RenderState() {
 }
 
-void RenderState::onContextCreated() {
+void RenderState::onGLContextCreated() {
+    GpuMemoryTracker::onGpuContextCreated();
+
+    // This is delayed because the first access of Caches makes GL calls
+    if (!mCaches) {
+        mCaches = &Caches::createInstance(*this);
+    }
+    mCaches->init();
+}
+
+static void layerLostGlContext(Layer* layer) {
+    LOG_ALWAYS_FATAL_IF(layer->getApi() != Layer::Api::OpenGL,
+                        "layerLostGlContext on non GL layer");
+    static_cast<GlLayer*>(layer)->onGlContextLost();
+}
+
+void RenderState::onGLContextDestroyed() {
+    // TODO: reset all cached state in state objects
+    std::for_each(mActiveLayers.begin(), mActiveLayers.end(), layerLostGlContext);
+
+    mCaches->terminate();
+
+    destroyLayersInUpdater();
+    GpuMemoryTracker::onGpuContextDestroyed();
+}
+
+void RenderState::onVkContextCreated() {
     GpuMemoryTracker::onGpuContextCreated();
 }
 
-void RenderState::onContextDestroyed() {
+static void layerDestroyedVkContext(Layer* layer) {
+    LOG_ALWAYS_FATAL_IF(layer->getApi() != Layer::Api::Vulkan,
+                        "layerLostVkContext on non Vulkan layer");
+    static_cast<VkLayer*>(layer)->onVkContextDestroyed();
+}
+
+void RenderState::onVkContextDestroyed() {
+    std::for_each(mActiveLayers.begin(), mActiveLayers.end(), layerDestroyedVkContext);
     destroyLayersInUpdater();
     GpuMemoryTracker::onGpuContextDestroyed();
 }
@@ -50,6 +85,10 @@
     return mRenderThread.getGrContext();
 }
 
+void RenderState::flush(Caches::FlushMode mode) {
+    if (mCaches) mCaches->flush(mode);
+}
+
 void RenderState::onBitmapDestroyed(uint32_t pixelRefId) {
     // DEAD CODE
 }
@@ -87,6 +126,42 @@
     glDeleteFramebuffers(1, &fbo);
 }
 
+void RenderState::invokeFunctor(Functor* functor, DrawGlInfo::Mode mode, DrawGlInfo* info) {
+    if (mode == DrawGlInfo::kModeProcessNoContext) {
+        // If there's no context we don't need to interrupt as there's
+        // no gl state to save/restore
+        (*functor)(mode, info);
+    } else {
+        interruptForFunctorInvoke();
+        (*functor)(mode, info);
+        resumeFromFunctorInvoke();
+    }
+}
+
+void RenderState::interruptForFunctorInvoke() {
+    mCaches->textureState().resetActiveTexture();
+    debugOverdraw(false, false);
+    // TODO: We need a way to know whether the functor is sRGB aware (b/32072673)
+    if (mCaches->extensions().hasLinearBlending() && mCaches->extensions().hasSRGBWriteControl()) {
+        glDisable(GL_FRAMEBUFFER_SRGB_EXT);
+    }
+}
+
+void RenderState::resumeFromFunctorInvoke() {
+    if (mCaches->extensions().hasLinearBlending() && mCaches->extensions().hasSRGBWriteControl()) {
+        glEnable(GL_FRAMEBUFFER_SRGB_EXT);
+    }
+
+    glViewport(0, 0, mViewportWidth, mViewportHeight);
+    glBindFramebuffer(GL_FRAMEBUFFER, mFramebuffer);
+    debugOverdraw(false, false);
+
+    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
+
+    mCaches->textureState().activateTexture(0);
+    mCaches->textureState().resetBoundTextures();
+}
+
 void RenderState::debugOverdraw(bool enable, bool clear) {
     // DEAD CODE
 }
@@ -115,9 +190,5 @@
     // DEAD CODE
 }
 
-renderthread::RenderThread& RenderState::getRenderThread() {
-    return mRenderThread;
-}
-
 } /* namespace uirenderer */
 } /* namespace android */
diff --git a/libs/hwui/renderstate/RenderState.h b/libs/hwui/renderstate/RenderState.h
index f39aa4b..97785a4 100644
--- a/libs/hwui/renderstate/RenderState.h
+++ b/libs/hwui/renderstate/RenderState.h
@@ -16,6 +16,8 @@
 #ifndef RENDERSTATE_H
 #define RENDERSTATE_H
 
+#include "Caches.h"
+#include "renderstate/PixelBufferState.h"
 #include "utils/Macros.h"
 
 #include <GLES2/gl2.h>
@@ -32,6 +34,7 @@
 namespace android {
 namespace uirenderer {
 
+class Caches;
 class Layer;
 class DeferredLayerUpdater;
 
@@ -41,16 +44,22 @@
 class RenderThread;
 }
 
+// TODO: Replace Cache's GL state tracking with this. For now it's more a thin
 // wrapper of Caches for users to migrate to.
 class RenderState {
     PREVENT_COPY_AND_ASSIGN(RenderState);
     friend class renderthread::RenderThread;
+    friend class Caches;
     friend class renderthread::CacheManager;
 
 public:
-    void onContextCreated();
-    void onContextDestroyed();
+    void onGLContextCreated();
+    void onGLContextDestroyed();
 
+    void onVkContextCreated();
+    void onVkContextDestroyed();
+
+    void flush(Caches::FlushMode flushMode);
     void onBitmapDestroyed(uint32_t pixelRefId);
 
     void setViewport(GLsizei width, GLsizei height);
@@ -61,6 +70,8 @@
     GLuint createFramebuffer();
     void deleteFramebuffer(GLuint fbo);
 
+    void invokeFunctor(Functor* functor, DrawGlInfo::Mode mode, DrawGlInfo* info);
+
     void debugOverdraw(bool enable, bool clear);
 
     void registerLayer(Layer* layer) { mActiveLayers.insert(layer); }
@@ -90,15 +101,16 @@
 
     void dump();
 
-    renderthread::RenderThread& getRenderThread();
-
 private:
+    void interruptForFunctorInvoke();
+    void resumeFromFunctorInvoke();
     void destroyLayersInUpdater();
 
     explicit RenderState(renderthread::RenderThread& thread);
     ~RenderState();
 
     renderthread::RenderThread& mRenderThread;
+    Caches* mCaches = nullptr;
 
     std::set<Layer*> mActiveLayers;
     std::set<DeferredLayerUpdater*> mActiveLayerUpdaters;
diff --git a/libs/hwui/renderstate/TextureState.cpp b/libs/hwui/renderstate/TextureState.cpp
new file mode 100644
index 0000000..470b4f5
--- /dev/null
+++ b/libs/hwui/renderstate/TextureState.cpp
@@ -0,0 +1,147 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "renderstate/TextureState.h"
+
+#include "Caches.h"
+#include "utils/TraceUtils.h"
+
+#include <GLES3/gl3.h>
+#include <SkBitmap.h>
+#include <SkCanvas.h>
+#include <memory>
+
+namespace android {
+namespace uirenderer {
+
+// Width of mShadowLutTexture, defines how accurate the shadow alpha lookup table is
+static const int SHADOW_LUT_SIZE = 128;
+
+// Must define as many texture units as specified by kTextureUnitsCount
+const GLenum kTextureUnits[] = {GL_TEXTURE0, GL_TEXTURE1, GL_TEXTURE2, GL_TEXTURE3};
+
+TextureState::TextureState() : mTextureUnit(0) {
+    glActiveTexture(kTextureUnits[0]);
+    resetBoundTextures();
+
+    GLint maxTextureUnits;
+    glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &maxTextureUnits);
+    LOG_ALWAYS_FATAL_IF(maxTextureUnits < kTextureUnitsCount,
+                        "At least %d texture units are required!", kTextureUnitsCount);
+    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+}
+
+TextureState::~TextureState() {
+    if (mShadowLutTexture != nullptr) {
+        mShadowLutTexture->deleteTexture();
+    }
+}
+
+/**
+ * Maps shadow geometry 'alpha' varying (1 for darkest, 0 for transparent) to
+ * darkness at that spot. Input values of 0->1 should be mapped within the same
+ * range, but can affect the curve for a different visual falloff.
+ *
+ * This is used to populate the shadow LUT texture for quick lookup in the
+ * shadow shader.
+ */
+static float computeShadowOpacity(float ratio) {
+    // exponential falloff function provided by UX
+    float val = 1 - ratio;
+    return exp(-val * val * 4.0) - 0.018;
+}
+
+void TextureState::constructTexture(Caches& caches) {
+    if (mShadowLutTexture == nullptr) {
+        mShadowLutTexture.reset(new Texture(caches));
+
+        unsigned char bytes[SHADOW_LUT_SIZE];
+        for (int i = 0; i < SHADOW_LUT_SIZE; i++) {
+            float inputRatio = i / (SHADOW_LUT_SIZE - 1.0f);
+            bytes[i] = computeShadowOpacity(inputRatio) * 255;
+        }
+        mShadowLutTexture->upload(GL_ALPHA, SHADOW_LUT_SIZE, 1, GL_ALPHA, GL_UNSIGNED_BYTE, &bytes);
+        mShadowLutTexture->setFilter(GL_LINEAR);
+        mShadowLutTexture->setWrap(GL_CLAMP_TO_EDGE);
+    }
+}
+
+void TextureState::activateTexture(GLuint textureUnit) {
+    LOG_ALWAYS_FATAL_IF(textureUnit >= kTextureUnitsCount,
+                        "Tried to use texture unit index %d, only %d exist", textureUnit,
+                        kTextureUnitsCount);
+    if (mTextureUnit != textureUnit) {
+        glActiveTexture(kTextureUnits[textureUnit]);
+        mTextureUnit = textureUnit;
+    }
+}
+
+void TextureState::resetActiveTexture() {
+    mTextureUnit = -1;
+}
+
+void TextureState::bindTexture(GLuint texture) {
+    if (mBoundTextures[mTextureUnit] != texture) {
+        glBindTexture(GL_TEXTURE_2D, texture);
+        mBoundTextures[mTextureUnit] = texture;
+    }
+}
+
+void TextureState::bindTexture(GLenum target, GLuint texture) {
+    if (target == GL_TEXTURE_2D) {
+        bindTexture(texture);
+    } else {
+        // GLConsumer directly calls glBindTexture() with
+        // target=GL_TEXTURE_EXTERNAL_OES, don't cache this target
+        // since the cached state could be stale
+        glBindTexture(target, texture);
+    }
+}
+
+void TextureState::deleteTexture(GLuint texture) {
+    // When glDeleteTextures() is called on a currently bound texture,
+    // OpenGL ES specifies that the texture is then considered unbound
+    // Consider the following series of calls:
+    //
+    // glGenTextures -> creates texture name 2
+    // glBindTexture(2)
+    // glDeleteTextures(2) -> 2 is now unbound
+    // glGenTextures -> can return 2 again
+    //
+    // If we don't call glBindTexture(2) after the second glGenTextures
+    // call, any texture operation will be performed on the default
+    // texture (name=0)
+
+    unbindTexture(texture);
+
+    glDeleteTextures(1, &texture);
+}
+
+void TextureState::resetBoundTextures() {
+    for (int i = 0; i < kTextureUnitsCount; i++) {
+        mBoundTextures[i] = 0;
+    }
+}
+
+void TextureState::unbindTexture(GLuint texture) {
+    for (int i = 0; i < kTextureUnitsCount; i++) {
+        if (mBoundTextures[i] == texture) {
+            mBoundTextures[i] = 0;
+        }
+    }
+}
+
+} /* namespace uirenderer */
+} /* namespace android */
diff --git a/libs/hwui/renderstate/TextureState.h b/libs/hwui/renderstate/TextureState.h
new file mode 100644
index 0000000..f1996d4
--- /dev/null
+++ b/libs/hwui/renderstate/TextureState.h
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef RENDERSTATE_TEXTURESTATE_H
+#define RENDERSTATE_TEXTURESTATE_H
+
+#include "Texture.h"
+#include "Vertex.h"
+
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+#include <memory>
+
+namespace android {
+namespace uirenderer {
+
+class Texture;
+
+class TextureState {
+    friend class Caches;  // TODO: move to RenderState
+public:
+    void constructTexture(Caches& caches);
+
+    /**
+     * Activate the specified texture unit. The texture unit must
+     * be specified using an integer number (0 for GL_TEXTURE0 etc.)
+     */
+    void activateTexture(GLuint textureUnit);
+
+    /**
+     * Invalidate the cached value of the active texture unit.
+     */
+    void resetActiveTexture();
+
+    /**
+     * Binds the specified texture as a GL_TEXTURE_2D texture.
+     * All texture bindings must be performed with this method or
+     * bindTexture(GLenum, GLuint).
+     */
+    void bindTexture(GLuint texture);
+
+    /**
+     * Binds the specified texture with the specified render target.
+     * All texture bindings must be performed with this method or
+     * bindTexture(GLuint).
+     */
+    void bindTexture(GLenum target, GLuint texture);
+
+    /**
+     * Deletes the specified texture and clears it from the cache
+     * of bound textures.
+     * All textures must be deleted using this method.
+     */
+    void deleteTexture(GLuint texture);
+
+    /**
+     * Signals that the cache of bound textures should be cleared.
+     * Other users of the context may have altered which textures are bound.
+     */
+    void resetBoundTextures();
+
+    /**
+     * Clear the cache of bound textures.
+     */
+    void unbindTexture(GLuint texture);
+
+    Texture* getShadowLutTexture() { return mShadowLutTexture.get(); }
+
+private:
+    // total number of texture units available for use
+    static const int kTextureUnitsCount = 4;
+
+    TextureState();
+    ~TextureState();
+    GLuint mTextureUnit;
+
+    // Caches texture bindings for the GL_TEXTURE_2D target
+    GLuint mBoundTextures[kTextureUnitsCount];
+
+    std::unique_ptr<Texture> mShadowLutTexture;
+};
+
+} /* namespace uirenderer */
+} /* namespace android */
+
+#endif  // RENDERSTATE_BLEND_H
diff --git a/libs/hwui/renderthread/CacheManager.cpp b/libs/hwui/renderthread/CacheManager.cpp
index c45eeda..bec80b1 100644
--- a/libs/hwui/renderthread/CacheManager.cpp
+++ b/libs/hwui/renderthread/CacheManager.cpp
@@ -21,7 +21,6 @@
 #include "RenderThread.h"
 #include "pipeline/skia/ShaderCache.h"
 #include "pipeline/skia/SkiaMemoryTracer.h"
-#include "Properties.h"
 #include "renderstate/RenderState.h"
 
 #include <GrContextOptions.h>
@@ -215,12 +214,11 @@
             log.appendFormat("  Layer Info:\n");
         }
 
-        const char* layerType = Properties::getRenderPipelineType() == RenderPipelineType::SkiaGL
-                ? "GlLayer" : "VkLayer";
         size_t layerMemoryTotal = 0;
         for (std::set<Layer*>::iterator it = renderState->mActiveLayers.begin();
              it != renderState->mActiveLayers.end(); it++) {
             const Layer* layer = *it;
+            const char* layerType = layer->getApi() == Layer::Api::OpenGL ? "GlLayer" : "VkLayer";
             log.appendFormat("    %s size %dx%d\n", layerType, layer->getWidth(),
                              layer->getHeight());
             layerMemoryTotal += layer->getWidth() * layer->getHeight() * 4;
diff --git a/libs/hwui/renderthread/CanvasContext.cpp b/libs/hwui/renderthread/CanvasContext.cpp
index 8b07d1d..5d72523 100644
--- a/libs/hwui/renderthread/CanvasContext.cpp
+++ b/libs/hwui/renderthread/CanvasContext.cpp
@@ -18,6 +18,7 @@
 #include <GpuMemoryTracker.h>
 
 #include "AnimationContext.h"
+#include "Caches.h"
 #include "EglManager.h"
 #include "Frame.h"
 #include "LayerUpdateQueue.h"
@@ -494,6 +495,13 @@
     }
 
     GpuMemoryTracker::onFrameCompleted();
+#ifdef BUGREPORT_FONT_CACHE_USAGE
+    auto renderType = Properties::getRenderPipelineType();
+    if (RenderPipelineType::OpenGL == renderType) {
+        Caches& caches = Caches::getInstance();
+        caches.fontRenderer.getFontRenderer().historyTracker().frameCompleted();
+    }
+#endif
 }
 
 // Called by choreographer to do an RT-driven animation
diff --git a/libs/hwui/renderthread/EglManager.cpp b/libs/hwui/renderthread/EglManager.cpp
index 5f8d7ad..cd21822 100644
--- a/libs/hwui/renderthread/EglManager.cpp
+++ b/libs/hwui/renderthread/EglManager.cpp
@@ -18,7 +18,6 @@
 
 #include <cutils/properties.h>
 #include <log/log.h>
-#include <private/gui/SyncFeatures.h>
 #include <utils/Trace.h>
 #include "utils/StringUtils.h"
 
@@ -465,109 +464,6 @@
     return preserved;
 }
 
-status_t EglManager::fenceWait(sp<Fence>& fence) {
-    if (!hasEglContext()) {
-        ALOGE("EglManager::fenceWait: EGLDisplay not initialized");
-        return INVALID_OPERATION;
-    }
-
-    if (SyncFeatures::getInstance().useWaitSync() &&
-        SyncFeatures::getInstance().useNativeFenceSync()) {
-        // Block GPU on the fence.
-        // Create an EGLSyncKHR from the current fence.
-        int fenceFd = fence->dup();
-        if (fenceFd == -1) {
-            ALOGE("EglManager::fenceWait: error dup'ing fence fd: %d", errno);
-            return -errno;
-        }
-        EGLint attribs[] = {
-            EGL_SYNC_NATIVE_FENCE_FD_ANDROID, fenceFd,
-            EGL_NONE
-        };
-        EGLSyncKHR sync = eglCreateSyncKHR(mEglDisplay,
-                EGL_SYNC_NATIVE_FENCE_ANDROID, attribs);
-        if (sync == EGL_NO_SYNC_KHR) {
-            close(fenceFd);
-            ALOGE("EglManager::fenceWait: error creating EGL fence: %#x", eglGetError());
-            return UNKNOWN_ERROR;
-        }
-
-        // XXX: The spec draft is inconsistent as to whether this should
-        // return an EGLint or void.  Ignore the return value for now, as
-        // it's not strictly needed.
-        eglWaitSyncKHR(mEglDisplay, sync, 0);
-        EGLint eglErr = eglGetError();
-        eglDestroySyncKHR(mEglDisplay, sync);
-        if (eglErr != EGL_SUCCESS) {
-            ALOGE("EglManager::fenceWait: error waiting for EGL fence: %#x", eglErr);
-            return UNKNOWN_ERROR;
-        }
-    } else {
-        // Block CPU on the fence.
-        status_t err = fence->waitForever("EglManager::fenceWait");
-        if (err != NO_ERROR) {
-            ALOGE("EglManager::fenceWait: error waiting for fence: %d", err);
-            return err;
-        }
-    }
-    return OK;
-}
-
-status_t EglManager::createReleaseFence(bool useFenceSync, EGLSyncKHR* eglFence,
-        sp<Fence>& nativeFence) {
-    if (!hasEglContext()) {
-        ALOGE("EglManager::createReleaseFence: EGLDisplay not initialized");
-        return INVALID_OPERATION;
-    }
-
-    if (SyncFeatures::getInstance().useNativeFenceSync()) {
-        EGLSyncKHR sync = eglCreateSyncKHR(mEglDisplay,
-                EGL_SYNC_NATIVE_FENCE_ANDROID, nullptr);
-        if (sync == EGL_NO_SYNC_KHR) {
-            ALOGE("EglManager::createReleaseFence: error creating EGL fence: %#x",
-                    eglGetError());
-            return UNKNOWN_ERROR;
-        }
-        glFlush();
-        int fenceFd = eglDupNativeFenceFDANDROID(mEglDisplay, sync);
-        eglDestroySyncKHR(mEglDisplay, sync);
-        if (fenceFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
-            ALOGE("EglManager::createReleaseFence: error dup'ing native fence "
-                    "fd: %#x", eglGetError());
-            return UNKNOWN_ERROR;
-        }
-        nativeFence = new Fence(fenceFd);
-        *eglFence = EGL_NO_SYNC_KHR;
-    } else if (useFenceSync && SyncFeatures::getInstance().useFenceSync()) {
-        if (*eglFence != EGL_NO_SYNC_KHR) {
-            // There is already a fence for the current slot.  We need to
-            // wait on that before replacing it with another fence to
-            // ensure that all outstanding buffer accesses have completed
-            // before the producer accesses it.
-            EGLint result = eglClientWaitSyncKHR(mEglDisplay, *eglFence, 0, 1000000000);
-            if (result == EGL_FALSE) {
-                ALOGE("EglManager::createReleaseFence: error waiting for previous fence: %#x",
-                        eglGetError());
-                return UNKNOWN_ERROR;
-            } else if (result == EGL_TIMEOUT_EXPIRED_KHR) {
-                ALOGE("EglManager::createReleaseFence: timeout waiting for previous fence");
-                return TIMED_OUT;
-            }
-            eglDestroySyncKHR(mEglDisplay, *eglFence);
-        }
-
-        // Create a fence for the outstanding accesses in the current
-        // OpenGL ES context.
-        *eglFence = eglCreateSyncKHR(mEglDisplay, EGL_SYNC_FENCE_KHR, nullptr);
-        if (*eglFence == EGL_NO_SYNC_KHR) {
-            ALOGE("EglManager::createReleaseFence: error creating fence: %#x", eglGetError());
-            return UNKNOWN_ERROR;
-        }
-        glFlush();
-    }
-    return OK;
-}
-
 } /* namespace renderthread */
 } /* namespace uirenderer */
 } /* namespace android */
diff --git a/libs/hwui/renderthread/EglManager.h b/libs/hwui/renderthread/EglManager.h
index 507673a..8e8bb8b 100644
--- a/libs/hwui/renderthread/EglManager.h
+++ b/libs/hwui/renderthread/EglManager.h
@@ -17,10 +17,8 @@
 #define EGLMANAGER_H
 
 #include <EGL/egl.h>
-#include <EGL/eglext.h>
 #include <SkRect.h>
 #include <cutils/compiler.h>
-#include <ui/Fence.h>
 #include <ui/GraphicBuffer.h>
 #include <utils/StrongPointer.h>
 
@@ -68,14 +66,6 @@
 
     EGLDisplay eglDisplay() const { return mEglDisplay; }
 
-    // Inserts a wait on fence command into the OpenGL ES command stream. If EGL extension
-    // support is missing, block the CPU on the fence.
-    status_t fenceWait(sp<Fence>& fence);
-
-    // Creates a fence that is signaled, when all the pending GL commands are flushed.
-    // Depending on installed extensions, the result is either Android native fence or EGL fence.
-    status_t createReleaseFence(bool useFenceSync, EGLSyncKHR* eglFence, sp<Fence>& nativeFence);
-
 private:
 
     void initExtensions();
diff --git a/libs/hwui/renderthread/RenderThread.cpp b/libs/hwui/renderthread/RenderThread.cpp
index 65f95ad..c1284ec 100644
--- a/libs/hwui/renderthread/RenderThread.cpp
+++ b/libs/hwui/renderthread/RenderThread.cpp
@@ -178,7 +178,7 @@
         return;
     }
     mEglManager->initialize();
-    renderState().onContextCreated();
+    renderState().onGLContextCreated();
 
 #ifdef HWUI_GLES_WRAP_ENABLED
     debug::GlesDriver* driver = debug::GlesDriver::get();
@@ -200,7 +200,7 @@
 void RenderThread::destroyGlContext() {
     if (mEglManager->hasEglContext()) {
         setGrContext(nullptr);
-        renderState().onContextDestroyed();
+        renderState().onGLContextDestroyed();
         mEglManager->destroy();
     }
 }
diff --git a/libs/hwui/renderthread/VulkanManager.cpp b/libs/hwui/renderthread/VulkanManager.cpp
index 0c49dc0..1517f57 100644
--- a/libs/hwui/renderthread/VulkanManager.cpp
+++ b/libs/hwui/renderthread/VulkanManager.cpp
@@ -40,7 +40,7 @@
 VulkanManager::VulkanManager(RenderThread& thread) : mRenderThread(thread) {}
 
 void VulkanManager::destroy() {
-    mRenderThread.renderState().onContextDestroyed();
+    mRenderThread.renderState().onVkContextDestroyed();
     mRenderThread.setGrContext(nullptr);
 
     if (VK_NULL_HANDLE != mCommandPool) {
@@ -404,7 +404,7 @@
         mSwapBehavior = SwapBehavior::BufferAge;
     }
 
-    mRenderThread.renderState().onContextCreated();
+    mRenderThread.renderState().onVkContextCreated();
 }
 
 // Returns the next BackbufferInfo to use for the next draw. The function will make sure all
@@ -981,22 +981,6 @@
     return surface->mCurrentTime - lastUsed;
 }
 
-status_t VulkanManager::fenceWait(sp<Fence>& fence) {
-    //TODO: Insert a wait on fence command into the Vulkan command buffer.
-    // Block CPU on the fence.
-    status_t err = fence->waitForever("VulkanManager::fenceWait");
-    if (err != NO_ERROR) {
-        ALOGE("VulkanManager::fenceWait: error waiting for fence: %d", err);
-        return err;
-    }
-    return OK;
-}
-
-status_t VulkanManager::createReleaseFence(sp<Fence>& nativeFence) {
-    //TODO: Create a fence that is signaled, when all the pending Vulkan commands are flushed.
-    return OK;
-}
-
 } /* namespace renderthread */
 } /* namespace uirenderer */
 } /* namespace android */
diff --git a/libs/hwui/renderthread/VulkanManager.h b/libs/hwui/renderthread/VulkanManager.h
index ebc11a5..5524c39 100644
--- a/libs/hwui/renderthread/VulkanManager.h
+++ b/libs/hwui/renderthread/VulkanManager.h
@@ -23,8 +23,6 @@
 #include <vulkan/vulkan.h>
 
 #include <SkSurface.h>
-#include <ui/Fence.h>
-#include <utils/StrongPointer.h>
 #include <vk/GrVkBackendContext.h>
 
 class GrVkExtensions;
@@ -112,12 +110,6 @@
     // Presents the current VkImage.
     void swapBuffers(VulkanSurface* surface);
 
-    // Inserts a wait on fence command into the Vulkan command buffer.
-    status_t fenceWait(sp<Fence>& fence);
-
-    // Creates a fence that is signaled, when all the pending Vulkan commands are flushed.
-    status_t createReleaseFence(sp<Fence>& nativeFence);
-
 private:
     friend class RenderThread;
 
diff --git a/libs/hwui/surfacetexture/EGLConsumer.cpp b/libs/hwui/surfacetexture/EGLConsumer.cpp
deleted file mode 100644
index c8220c6..0000000
--- a/libs/hwui/surfacetexture/EGLConsumer.cpp
+++ /dev/null
@@ -1,675 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <inttypes.h>
-
-#include <EGL/egl.h>
-#include <EGL/eglext.h>
-#include <GLES2/gl2.h>
-#include <GLES2/gl2ext.h>
-#include <cutils/compiler.h>
-#include <gui/BufferItem.h>
-#include <gui/BufferQueue.h>
-#include <private/gui/SyncFeatures.h>
-#include "EGLConsumer.h"
-#include "SurfaceTexture.h"
-
-#include <utils/Log.h>
-#include <utils/String8.h>
-#include <utils/Trace.h>
-
-#define PROT_CONTENT_EXT_STR "EGL_EXT_protected_content"
-#define EGL_PROTECTED_CONTENT_EXT 0x32C0
-
-namespace android {
-
-// Macros for including the SurfaceTexture name in log messages
-#define EGC_LOGV(x, ...) ALOGV("[%s] " x, st.mName.string(), ##__VA_ARGS__)
-#define EGC_LOGD(x, ...) ALOGD("[%s] " x, st.mName.string(), ##__VA_ARGS__)
-#define EGC_LOGW(x, ...) ALOGW("[%s] " x, st.mName.string(), ##__VA_ARGS__)
-#define EGC_LOGE(x, ...) ALOGE("[%s] " x, st.mName.string(), ##__VA_ARGS__)
-
-static const struct {
-    uint32_t width, height;
-    char const* bits;
-} kDebugData = {15, 12,
-                "_______________"
-                "_______________"
-                "_____XX_XX_____"
-                "__X_X_____X_X__"
-                "__X_XXXXXXX_X__"
-                "__XXXXXXXXXXX__"
-                "___XX_XXX_XX___"
-                "____XXXXXXX____"
-                "_____X___X_____"
-                "____X_____X____"
-                "_______________"
-                "_______________"};
-
-Mutex EGLConsumer::sStaticInitLock;
-sp<GraphicBuffer> EGLConsumer::sReleasedTexImageBuffer;
-
-static bool hasEglProtectedContentImpl() {
-    EGLDisplay dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
-    const char* exts = eglQueryString(dpy, EGL_EXTENSIONS);
-    size_t cropExtLen = strlen(PROT_CONTENT_EXT_STR);
-    size_t extsLen = strlen(exts);
-    bool equal = !strcmp(PROT_CONTENT_EXT_STR, exts);
-    bool atStart = !strncmp(PROT_CONTENT_EXT_STR " ", exts, cropExtLen + 1);
-    bool atEnd = (cropExtLen + 1) < extsLen &&
-                 !strcmp(" " PROT_CONTENT_EXT_STR, exts + extsLen - (cropExtLen + 1));
-    bool inMiddle = strstr(exts, " " PROT_CONTENT_EXT_STR " ");
-    return equal || atStart || atEnd || inMiddle;
-}
-
-static bool hasEglProtectedContent() {
-    // Only compute whether the extension is present once the first time this
-    // function is called.
-    static bool hasIt = hasEglProtectedContentImpl();
-    return hasIt;
-}
-
-EGLConsumer::EGLConsumer() : mEglDisplay(EGL_NO_DISPLAY), mEglContext(EGL_NO_CONTEXT) {}
-
-status_t EGLConsumer::updateTexImage(SurfaceTexture& st) {
-    // Make sure the EGL state is the same as in previous calls.
-    status_t err = checkAndUpdateEglStateLocked(st);
-    if (err != NO_ERROR) {
-        return err;
-    }
-
-    BufferItem item;
-
-    // Acquire the next buffer.
-    // In asynchronous mode the list is guaranteed to be one buffer
-    // deep, while in synchronous mode we use the oldest buffer.
-    err = st.acquireBufferLocked(&item, 0);
-    if (err != NO_ERROR) {
-        if (err == BufferQueue::NO_BUFFER_AVAILABLE) {
-            // We always bind the texture even if we don't update its contents.
-            EGC_LOGV("updateTexImage: no buffers were available");
-            glBindTexture(st.mTexTarget, st.mTexName);
-            err = NO_ERROR;
-        } else {
-            EGC_LOGE("updateTexImage: acquire failed: %s (%d)", strerror(-err), err);
-        }
-        return err;
-    }
-
-    // Release the previous buffer.
-    err = updateAndReleaseLocked(item, nullptr, st);
-    if (err != NO_ERROR) {
-        // We always bind the texture.
-        glBindTexture(st.mTexTarget, st.mTexName);
-        return err;
-    }
-
-    // Bind the new buffer to the GL texture, and wait until it's ready.
-    return bindTextureImageLocked(st);
-}
-
-status_t EGLConsumer::releaseTexImage(SurfaceTexture& st) {
-    // Make sure the EGL state is the same as in previous calls.
-    status_t err = NO_ERROR;
-
-    // if we're detached, no need to validate EGL's state -- we won't use it.
-    if (st.mOpMode == SurfaceTexture::OpMode::attachedToGL) {
-        err = checkAndUpdateEglStateLocked(st, true);
-        if (err != NO_ERROR) {
-            return err;
-        }
-    }
-
-    // Update the EGLConsumer state.
-    int buf = st.mCurrentTexture;
-    if (buf != BufferQueue::INVALID_BUFFER_SLOT) {
-        EGC_LOGV("releaseTexImage: (slot=%d, mOpMode=%d)", buf, (int)st.mOpMode);
-
-        // if we're detached, we just use the fence that was created in detachFromContext()
-        // so... basically, nothing more to do here.
-        if (st.mOpMode == SurfaceTexture::OpMode::attachedToGL) {
-            // Do whatever sync ops we need to do before releasing the slot.
-            err = syncForReleaseLocked(mEglDisplay, st);
-            if (err != NO_ERROR) {
-                EGC_LOGE("syncForReleaseLocked failed (slot=%d), err=%d", buf, err);
-                return err;
-            }
-        }
-
-        err = st.releaseBufferLocked(buf, st.mSlots[buf].mGraphicBuffer, mEglDisplay,
-                                     EGL_NO_SYNC_KHR);
-        if (err < NO_ERROR) {
-            EGC_LOGE("releaseTexImage: failed to release buffer: %s (%d)", strerror(-err), err);
-            return err;
-        }
-
-        if (mReleasedTexImage == nullptr) {
-            mReleasedTexImage = new EglImage(getDebugTexImageBuffer());
-        }
-
-        st.mCurrentTexture = BufferQueue::INVALID_BUFFER_SLOT;
-        mCurrentTextureImage = mReleasedTexImage;
-        st.mCurrentCrop.makeInvalid();
-        st.mCurrentTransform = 0;
-        st.mCurrentTimestamp = 0;
-        st.mCurrentDataSpace = HAL_DATASPACE_UNKNOWN;
-        st.mCurrentFence = Fence::NO_FENCE;
-        st.mCurrentFenceTime = FenceTime::NO_FENCE;
-
-        // detached, don't touch the texture (and we may not even have an
-        // EGLDisplay here.
-        if (st.mOpMode == SurfaceTexture::OpMode::attachedToGL) {
-            // This binds a dummy buffer (mReleasedTexImage).
-            status_t result = bindTextureImageLocked(st);
-            if (result != NO_ERROR) {
-                return result;
-            }
-        }
-    }
-
-    return NO_ERROR;
-}
-
-sp<GraphicBuffer> EGLConsumer::getDebugTexImageBuffer() {
-    Mutex::Autolock _l(sStaticInitLock);
-    if (CC_UNLIKELY(sReleasedTexImageBuffer == nullptr)) {
-        // The first time, create the debug texture in case the application
-        // continues to use it.
-        sp<GraphicBuffer> buffer = new GraphicBuffer(
-                kDebugData.width, kDebugData.height, PIXEL_FORMAT_RGBA_8888,
-                GraphicBuffer::USAGE_SW_WRITE_RARELY, "[EGLConsumer debug texture]");
-        uint32_t* bits;
-        buffer->lock(GraphicBuffer::USAGE_SW_WRITE_RARELY, reinterpret_cast<void**>(&bits));
-        uint32_t stride = buffer->getStride();
-        uint32_t height = buffer->getHeight();
-        memset(bits, 0, stride * height * 4);
-        for (uint32_t y = 0; y < kDebugData.height; y++) {
-            for (uint32_t x = 0; x < kDebugData.width; x++) {
-                bits[x] = (kDebugData.bits[y + kDebugData.width + x] == 'X') ? 0xFF000000
-                                                                             : 0xFFFFFFFF;
-            }
-            bits += stride;
-        }
-        buffer->unlock();
-        sReleasedTexImageBuffer = buffer;
-    }
-    return sReleasedTexImageBuffer;
-}
-
-void EGLConsumer::onAcquireBufferLocked(BufferItem* item, SurfaceTexture& st) {
-    // If item->mGraphicBuffer is not null, this buffer has not been acquired
-    // before, so any prior EglImage created is using a stale buffer. This
-    // replaces any old EglImage with a new one (using the new buffer).
-    int slot = item->mSlot;
-    if (item->mGraphicBuffer != nullptr || mEglSlots[slot].mEglImage.get() == nullptr) {
-        mEglSlots[slot].mEglImage = new EglImage(st.mSlots[slot].mGraphicBuffer);
-    }
-}
-
-void EGLConsumer::onReleaseBufferLocked(int buf) {
-    mEglSlots[buf].mEglFence = EGL_NO_SYNC_KHR;
-}
-
-status_t EGLConsumer::updateAndReleaseLocked(const BufferItem& item, PendingRelease* pendingRelease,
-                                             SurfaceTexture& st) {
-    status_t err = NO_ERROR;
-
-    int slot = item.mSlot;
-
-    if (st.mOpMode != SurfaceTexture::OpMode::attachedToGL) {
-        EGC_LOGE(
-                "updateAndRelease: EGLConsumer is not attached to an OpenGL "
-                "ES context");
-        st.releaseBufferLocked(slot, st.mSlots[slot].mGraphicBuffer, mEglDisplay, EGL_NO_SYNC_KHR);
-        return INVALID_OPERATION;
-    }
-
-    // Confirm state.
-    err = checkAndUpdateEglStateLocked(st);
-    if (err != NO_ERROR) {
-        st.releaseBufferLocked(slot, st.mSlots[slot].mGraphicBuffer, mEglDisplay, EGL_NO_SYNC_KHR);
-        return err;
-    }
-
-    // Ensure we have a valid EglImageKHR for the slot, creating an EglImage
-    // if nessessary, for the gralloc buffer currently in the slot in
-    // ConsumerBase.
-    // We may have to do this even when item.mGraphicBuffer == NULL (which
-    // means the buffer was previously acquired).
-    err = mEglSlots[slot].mEglImage->createIfNeeded(mEglDisplay);
-    if (err != NO_ERROR) {
-        EGC_LOGW("updateAndRelease: unable to createImage on display=%p slot=%d", mEglDisplay,
-                 slot);
-        st.releaseBufferLocked(slot, st.mSlots[slot].mGraphicBuffer, mEglDisplay, EGL_NO_SYNC_KHR);
-        return UNKNOWN_ERROR;
-    }
-
-    // Do whatever sync ops we need to do before releasing the old slot.
-    if (slot != st.mCurrentTexture) {
-        err = syncForReleaseLocked(mEglDisplay, st);
-        if (err != NO_ERROR) {
-            // Release the buffer we just acquired.  It's not safe to
-            // release the old buffer, so instead we just drop the new frame.
-            // As we are still under lock since acquireBuffer, it is safe to
-            // release by slot.
-            st.releaseBufferLocked(slot, st.mSlots[slot].mGraphicBuffer, mEglDisplay,
-                                   EGL_NO_SYNC_KHR);
-            return err;
-        }
-    }
-
-    EGC_LOGV(
-            "updateAndRelease: (slot=%d buf=%p) -> (slot=%d buf=%p)", st.mCurrentTexture,
-            mCurrentTextureImage != nullptr ? mCurrentTextureImage->graphicBufferHandle() : nullptr,
-            slot, st.mSlots[slot].mGraphicBuffer->handle);
-
-    // Hang onto the pointer so that it isn't freed in the call to
-    // releaseBufferLocked() if we're in shared buffer mode and both buffers are
-    // the same.
-    sp<EglImage> nextTextureImage = mEglSlots[slot].mEglImage;
-
-    // release old buffer
-    if (st.mCurrentTexture != BufferQueue::INVALID_BUFFER_SLOT) {
-        if (pendingRelease == nullptr) {
-            status_t status = st.releaseBufferLocked(
-                    st.mCurrentTexture, mCurrentTextureImage->graphicBuffer(), mEglDisplay,
-                    mEglSlots[st.mCurrentTexture].mEglFence);
-            if (status < NO_ERROR) {
-                EGC_LOGE("updateAndRelease: failed to release buffer: %s (%d)", strerror(-status),
-                         status);
-                err = status;
-                // keep going, with error raised [?]
-            }
-        } else {
-            pendingRelease->currentTexture = st.mCurrentTexture;
-            pendingRelease->graphicBuffer = mCurrentTextureImage->graphicBuffer();
-            pendingRelease->display = mEglDisplay;
-            pendingRelease->fence = mEglSlots[st.mCurrentTexture].mEglFence;
-            pendingRelease->isPending = true;
-        }
-    }
-
-    // Update the EGLConsumer state.
-    st.mCurrentTexture = slot;
-    mCurrentTextureImage = nextTextureImage;
-    st.mCurrentCrop = item.mCrop;
-    st.mCurrentTransform = item.mTransform;
-    st.mCurrentScalingMode = item.mScalingMode;
-    st.mCurrentTimestamp = item.mTimestamp;
-    st.mCurrentDataSpace = item.mDataSpace;
-    st.mCurrentFence = item.mFence;
-    st.mCurrentFenceTime = item.mFenceTime;
-    st.mCurrentFrameNumber = item.mFrameNumber;
-
-    st.computeCurrentTransformMatrixLocked();
-
-    return err;
-}
-
-status_t EGLConsumer::bindTextureImageLocked(SurfaceTexture& st) {
-    if (mEglDisplay == EGL_NO_DISPLAY) {
-        ALOGE("bindTextureImage: invalid display");
-        return INVALID_OPERATION;
-    }
-
-    GLenum error;
-    while ((error = glGetError()) != GL_NO_ERROR) {
-        EGC_LOGW("bindTextureImage: clearing GL error: %#04x", error);
-    }
-
-    glBindTexture(st.mTexTarget, st.mTexName);
-    if (st.mCurrentTexture == BufferQueue::INVALID_BUFFER_SLOT && mCurrentTextureImage == nullptr) {
-        EGC_LOGE("bindTextureImage: no currently-bound texture");
-        return NO_INIT;
-    }
-
-    status_t err = mCurrentTextureImage->createIfNeeded(mEglDisplay);
-    if (err != NO_ERROR) {
-        EGC_LOGW("bindTextureImage: can't create image on display=%p slot=%d", mEglDisplay,
-                 st.mCurrentTexture);
-        return UNKNOWN_ERROR;
-    }
-    mCurrentTextureImage->bindToTextureTarget(st.mTexTarget);
-
-    // In the rare case that the display is terminated and then initialized
-    // again, we can't detect that the display changed (it didn't), but the
-    // image is invalid. In this case, repeat the exact same steps while
-    // forcing the creation of a new image.
-    if ((error = glGetError()) != GL_NO_ERROR) {
-        glBindTexture(st.mTexTarget, st.mTexName);
-        status_t result = mCurrentTextureImage->createIfNeeded(mEglDisplay, true);
-        if (result != NO_ERROR) {
-            EGC_LOGW("bindTextureImage: can't create image on display=%p slot=%d", mEglDisplay,
-                     st.mCurrentTexture);
-            return UNKNOWN_ERROR;
-        }
-        mCurrentTextureImage->bindToTextureTarget(st.mTexTarget);
-        if ((error = glGetError()) != GL_NO_ERROR) {
-            EGC_LOGE("bindTextureImage: error binding external image: %#04x", error);
-            return UNKNOWN_ERROR;
-        }
-    }
-
-    // Wait for the new buffer to be ready.
-    return doGLFenceWaitLocked(st);
-}
-
-status_t EGLConsumer::checkAndUpdateEglStateLocked(SurfaceTexture& st, bool contextCheck) {
-    EGLDisplay dpy = eglGetCurrentDisplay();
-    EGLContext ctx = eglGetCurrentContext();
-
-    if (!contextCheck) {
-        // if this is the first time we're called, mEglDisplay/mEglContext have
-        // never been set, so don't error out (below).
-        if (mEglDisplay == EGL_NO_DISPLAY) {
-            mEglDisplay = dpy;
-        }
-        if (mEglContext == EGL_NO_CONTEXT) {
-            mEglContext = ctx;
-        }
-    }
-
-    if (mEglDisplay != dpy || dpy == EGL_NO_DISPLAY) {
-        EGC_LOGE("checkAndUpdateEglState: invalid current EGLDisplay");
-        return INVALID_OPERATION;
-    }
-
-    if (mEglContext != ctx || ctx == EGL_NO_CONTEXT) {
-        EGC_LOGE("checkAndUpdateEglState: invalid current EGLContext");
-        return INVALID_OPERATION;
-    }
-
-    mEglDisplay = dpy;
-    mEglContext = ctx;
-    return NO_ERROR;
-}
-
-status_t EGLConsumer::detachFromContext(SurfaceTexture& st) {
-    EGLDisplay dpy = eglGetCurrentDisplay();
-    EGLContext ctx = eglGetCurrentContext();
-
-    if (mEglDisplay != dpy && mEglDisplay != EGL_NO_DISPLAY) {
-        EGC_LOGE("detachFromContext: invalid current EGLDisplay");
-        return INVALID_OPERATION;
-    }
-
-    if (mEglContext != ctx && mEglContext != EGL_NO_CONTEXT) {
-        EGC_LOGE("detachFromContext: invalid current EGLContext");
-        return INVALID_OPERATION;
-    }
-
-    if (dpy != EGL_NO_DISPLAY && ctx != EGL_NO_CONTEXT) {
-        status_t err = syncForReleaseLocked(dpy, st);
-        if (err != OK) {
-            return err;
-        }
-
-        glDeleteTextures(1, &st.mTexName);
-    }
-
-    mEglDisplay = EGL_NO_DISPLAY;
-    mEglContext = EGL_NO_CONTEXT;
-
-    return OK;
-}
-
-status_t EGLConsumer::attachToContext(uint32_t tex, SurfaceTexture& st) {
-    // Initialize mCurrentTextureImage if there is a current buffer from past attached state.
-    int slot = st.mCurrentTexture;
-    if (slot != BufferItem::INVALID_BUFFER_SLOT) {
-        if (!mEglSlots[slot].mEglImage.get()) {
-            mEglSlots[slot].mEglImage = new EglImage(st.mSlots[slot].mGraphicBuffer);
-        }
-        mCurrentTextureImage = mEglSlots[slot].mEglImage;
-    }
-
-    EGLDisplay dpy = eglGetCurrentDisplay();
-    EGLContext ctx = eglGetCurrentContext();
-
-    if (dpy == EGL_NO_DISPLAY) {
-        EGC_LOGE("attachToContext: invalid current EGLDisplay");
-        return INVALID_OPERATION;
-    }
-
-    if (ctx == EGL_NO_CONTEXT) {
-        EGC_LOGE("attachToContext: invalid current EGLContext");
-        return INVALID_OPERATION;
-    }
-
-    // We need to bind the texture regardless of whether there's a current
-    // buffer.
-    glBindTexture(st.mTexTarget, GLuint(tex));
-
-    mEglDisplay = dpy;
-    mEglContext = ctx;
-    st.mTexName = tex;
-    st.mOpMode = SurfaceTexture::OpMode::attachedToGL;
-
-    if (mCurrentTextureImage != nullptr) {
-        // This may wait for a buffer a second time. This is likely required if
-        // this is a different context, since otherwise the wait could be skipped
-        // by bouncing through another context. For the same context the extra
-        // wait is redundant.
-        status_t err = bindTextureImageLocked(st);
-        if (err != NO_ERROR) {
-            return err;
-        }
-    }
-
-    return OK;
-}
-
-status_t EGLConsumer::syncForReleaseLocked(EGLDisplay dpy, SurfaceTexture& st) {
-    EGC_LOGV("syncForReleaseLocked");
-
-    if (st.mCurrentTexture != BufferQueue::INVALID_BUFFER_SLOT) {
-        if (SyncFeatures::getInstance().useNativeFenceSync()) {
-            EGLSyncKHR sync = eglCreateSyncKHR(dpy, EGL_SYNC_NATIVE_FENCE_ANDROID, nullptr);
-            if (sync == EGL_NO_SYNC_KHR) {
-                EGC_LOGE("syncForReleaseLocked: error creating EGL fence: %#x", eglGetError());
-                return UNKNOWN_ERROR;
-            }
-            glFlush();
-            int fenceFd = eglDupNativeFenceFDANDROID(dpy, sync);
-            eglDestroySyncKHR(dpy, sync);
-            if (fenceFd == EGL_NO_NATIVE_FENCE_FD_ANDROID) {
-                EGC_LOGE(
-                        "syncForReleaseLocked: error dup'ing native fence "
-                        "fd: %#x",
-                        eglGetError());
-                return UNKNOWN_ERROR;
-            }
-            sp<Fence> fence(new Fence(fenceFd));
-            status_t err = st.addReleaseFenceLocked(st.mCurrentTexture,
-                                                    mCurrentTextureImage->graphicBuffer(), fence);
-            if (err != OK) {
-                EGC_LOGE(
-                        "syncForReleaseLocked: error adding release fence: "
-                        "%s (%d)",
-                        strerror(-err), err);
-                return err;
-            }
-        } else if (st.mUseFenceSync && SyncFeatures::getInstance().useFenceSync()) {
-            EGLSyncKHR fence = mEglSlots[st.mCurrentTexture].mEglFence;
-            if (fence != EGL_NO_SYNC_KHR) {
-                // There is already a fence for the current slot.  We need to
-                // wait on that before replacing it with another fence to
-                // ensure that all outstanding buffer accesses have completed
-                // before the producer accesses it.
-                EGLint result = eglClientWaitSyncKHR(dpy, fence, 0, 1000000000);
-                if (result == EGL_FALSE) {
-                    EGC_LOGE(
-                            "syncForReleaseLocked: error waiting for previous "
-                            "fence: %#x",
-                            eglGetError());
-                    return UNKNOWN_ERROR;
-                } else if (result == EGL_TIMEOUT_EXPIRED_KHR) {
-                    EGC_LOGE(
-                            "syncForReleaseLocked: timeout waiting for previous "
-                            "fence");
-                    return TIMED_OUT;
-                }
-                eglDestroySyncKHR(dpy, fence);
-            }
-
-            // Create a fence for the outstanding accesses in the current
-            // OpenGL ES context.
-            fence = eglCreateSyncKHR(dpy, EGL_SYNC_FENCE_KHR, nullptr);
-            if (fence == EGL_NO_SYNC_KHR) {
-                EGC_LOGE("syncForReleaseLocked: error creating fence: %#x", eglGetError());
-                return UNKNOWN_ERROR;
-            }
-            glFlush();
-            mEglSlots[st.mCurrentTexture].mEglFence = fence;
-        }
-    }
-
-    return OK;
-}
-
-status_t EGLConsumer::doGLFenceWaitLocked(SurfaceTexture& st) const {
-    EGLDisplay dpy = eglGetCurrentDisplay();
-    EGLContext ctx = eglGetCurrentContext();
-
-    if (mEglDisplay != dpy || mEglDisplay == EGL_NO_DISPLAY) {
-        EGC_LOGE("doGLFenceWait: invalid current EGLDisplay");
-        return INVALID_OPERATION;
-    }
-
-    if (mEglContext != ctx || mEglContext == EGL_NO_CONTEXT) {
-        EGC_LOGE("doGLFenceWait: invalid current EGLContext");
-        return INVALID_OPERATION;
-    }
-
-    if (st.mCurrentFence->isValid()) {
-        if (SyncFeatures::getInstance().useWaitSync() &&
-            SyncFeatures::getInstance().useNativeFenceSync()) {
-            // Create an EGLSyncKHR from the current fence.
-            int fenceFd = st.mCurrentFence->dup();
-            if (fenceFd == -1) {
-                EGC_LOGE("doGLFenceWait: error dup'ing fence fd: %d", errno);
-                return -errno;
-            }
-            EGLint attribs[] = {EGL_SYNC_NATIVE_FENCE_FD_ANDROID, fenceFd, EGL_NONE};
-            EGLSyncKHR sync = eglCreateSyncKHR(dpy, EGL_SYNC_NATIVE_FENCE_ANDROID, attribs);
-            if (sync == EGL_NO_SYNC_KHR) {
-                close(fenceFd);
-                EGC_LOGE("doGLFenceWait: error creating EGL fence: %#x", eglGetError());
-                return UNKNOWN_ERROR;
-            }
-
-            // XXX: The spec draft is inconsistent as to whether this should
-            // return an EGLint or void.  Ignore the return value for now, as
-            // it's not strictly needed.
-            eglWaitSyncKHR(dpy, sync, 0);
-            EGLint eglErr = eglGetError();
-            eglDestroySyncKHR(dpy, sync);
-            if (eglErr != EGL_SUCCESS) {
-                EGC_LOGE("doGLFenceWait: error waiting for EGL fence: %#x", eglErr);
-                return UNKNOWN_ERROR;
-            }
-        } else {
-            status_t err = st.mCurrentFence->waitForever("EGLConsumer::doGLFenceWaitLocked");
-            if (err != NO_ERROR) {
-                EGC_LOGE("doGLFenceWait: error waiting for fence: %d", err);
-                return err;
-            }
-        }
-    }
-
-    return NO_ERROR;
-}
-
-void EGLConsumer::onFreeBufferLocked(int slotIndex) {
-    mEglSlots[slotIndex].mEglImage.clear();
-}
-
-void EGLConsumer::onAbandonLocked() {
-    mCurrentTextureImage.clear();
-}
-
-EGLConsumer::EglImage::EglImage(sp<GraphicBuffer> graphicBuffer)
-        : mGraphicBuffer(graphicBuffer), mEglImage(EGL_NO_IMAGE_KHR), mEglDisplay(EGL_NO_DISPLAY) {}
-
-EGLConsumer::EglImage::~EglImage() {
-    if (mEglImage != EGL_NO_IMAGE_KHR) {
-        if (!eglDestroyImageKHR(mEglDisplay, mEglImage)) {
-            ALOGE("~EglImage: eglDestroyImageKHR failed");
-        }
-        eglTerminate(mEglDisplay);
-    }
-}
-
-status_t EGLConsumer::EglImage::createIfNeeded(EGLDisplay eglDisplay, bool forceCreation) {
-    // If there's an image and it's no longer valid, destroy it.
-    bool haveImage = mEglImage != EGL_NO_IMAGE_KHR;
-    bool displayInvalid = mEglDisplay != eglDisplay;
-    if (haveImage && (displayInvalid || forceCreation)) {
-        if (!eglDestroyImageKHR(mEglDisplay, mEglImage)) {
-            ALOGE("createIfNeeded: eglDestroyImageKHR failed");
-        }
-        eglTerminate(mEglDisplay);
-        mEglImage = EGL_NO_IMAGE_KHR;
-        mEglDisplay = EGL_NO_DISPLAY;
-    }
-
-    // If there's no image, create one.
-    if (mEglImage == EGL_NO_IMAGE_KHR) {
-        mEglDisplay = eglDisplay;
-        mEglImage = createImage(mEglDisplay, mGraphicBuffer);
-    }
-
-    // Fail if we can't create a valid image.
-    if (mEglImage == EGL_NO_IMAGE_KHR) {
-        mEglDisplay = EGL_NO_DISPLAY;
-        const sp<GraphicBuffer>& buffer = mGraphicBuffer;
-        ALOGE("Failed to create image. size=%ux%u st=%u usage=%#" PRIx64 " fmt=%d",
-              buffer->getWidth(), buffer->getHeight(), buffer->getStride(), buffer->getUsage(),
-              buffer->getPixelFormat());
-        return UNKNOWN_ERROR;
-    }
-
-    return OK;
-}
-
-void EGLConsumer::EglImage::bindToTextureTarget(uint32_t texTarget) {
-    glEGLImageTargetTexture2DOES(texTarget, static_cast<GLeglImageOES>(mEglImage));
-}
-
-EGLImageKHR EGLConsumer::EglImage::createImage(EGLDisplay dpy,
-                                               const sp<GraphicBuffer>& graphicBuffer) {
-    EGLClientBuffer cbuf = static_cast<EGLClientBuffer>(graphicBuffer->getNativeBuffer());
-    const bool createProtectedImage =
-            (graphicBuffer->getUsage() & GRALLOC_USAGE_PROTECTED) && hasEglProtectedContent();
-    EGLint attrs[] = {
-            EGL_IMAGE_PRESERVED_KHR,
-            EGL_TRUE,
-            createProtectedImage ? EGL_PROTECTED_CONTENT_EXT : EGL_NONE,
-            createProtectedImage ? EGL_TRUE : EGL_NONE,
-            EGL_NONE,
-    };
-    eglInitialize(dpy, nullptr, nullptr);
-    EGLImageKHR image =
-            eglCreateImageKHR(dpy, EGL_NO_CONTEXT, EGL_NATIVE_BUFFER_ANDROID, cbuf, attrs);
-    if (image == EGL_NO_IMAGE_KHR) {
-        EGLint error = eglGetError();
-        ALOGE("error creating EGLImage: %#x", error);
-        eglTerminate(dpy);
-    }
-    return image;
-}
-
-};  // namespace android
diff --git a/libs/hwui/surfacetexture/EGLConsumer.h b/libs/hwui/surfacetexture/EGLConsumer.h
deleted file mode 100644
index eccb082..0000000
--- a/libs/hwui/surfacetexture/EGLConsumer.h
+++ /dev/null
@@ -1,311 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <EGL/egl.h>
-#include <EGL/eglext.h>
-
-#include <gui/BufferQueueDefs.h>
-
-#include <ui/FenceTime.h>
-#include <ui/GraphicBuffer.h>
-#include <utils/Mutex.h>
-
-namespace android {
-
-class SurfaceTexture;
-
-/*
- * EGLConsumer implements the parts of SurfaceTexture that deal with
- * textures attached to an GL context.
- */
-class EGLConsumer {
-public:
-    EGLConsumer();
-
-    /**
-     * updateTexImage acquires the most recently queued buffer, and sets the
-     * image contents of the target texture to it.
-     *
-     * This call may only be made while the OpenGL ES context to which the
-     * target texture belongs is bound to the calling thread.
-     *
-     * This calls doGLFenceWait to ensure proper synchronization.
-     */
-    status_t updateTexImage(SurfaceTexture& st);
-
-    /*
-     * releaseTexImage releases the texture acquired in updateTexImage().
-     * This is intended to be used in single buffer mode.
-     *
-     * This call may only be made while the OpenGL ES context to which the
-     * target texture belongs is bound to the calling thread.
-     */
-    status_t releaseTexImage(SurfaceTexture& st);
-
-    /**
-     * detachFromContext detaches the EGLConsumer from the calling thread's
-     * current OpenGL ES context.  This context must be the same as the context
-     * that was current for previous calls to updateTexImage.
-     *
-     * Detaching a EGLConsumer from an OpenGL ES context will result in the
-     * deletion of the OpenGL ES texture object into which the images were being
-     * streamed.  After a EGLConsumer has been detached from the OpenGL ES
-     * context calls to updateTexImage will fail returning INVALID_OPERATION
-     * until the EGLConsumer is attached to a new OpenGL ES context using the
-     * attachToContext method.
-     */
-    status_t detachFromContext(SurfaceTexture& st);
-
-    /**
-     * attachToContext attaches a EGLConsumer that is currently in the
-     * 'detached' state to the current OpenGL ES context.  A EGLConsumer is
-     * in the 'detached' state iff detachFromContext has successfully been
-     * called and no calls to attachToContext have succeeded since the last
-     * detachFromContext call.  Calls to attachToContext made on a
-     * EGLConsumer that is not in the 'detached' state will result in an
-     * INVALID_OPERATION error.
-     *
-     * The tex argument specifies the OpenGL ES texture object name in the
-     * new context into which the image contents will be streamed.  A successful
-     * call to attachToContext will result in this texture object being bound to
-     * the texture target and populated with the image contents that were
-     * current at the time of the last call to detachFromContext.
-     */
-    status_t attachToContext(uint32_t tex, SurfaceTexture& st);
-
-    /**
-     * onAcquireBufferLocked amends the ConsumerBase method to update the
-     * mEglSlots array in addition to the ConsumerBase behavior.
-     */
-    void onAcquireBufferLocked(BufferItem* item, SurfaceTexture& st);
-
-    /**
-     * onReleaseBufferLocked amends the ConsumerBase method to update the
-     * mEglSlots array in addition to the ConsumerBase.
-     */
-    void onReleaseBufferLocked(int slot);
-
-    /**
-     * onFreeBufferLocked frees up the given buffer slot. If the slot has been
-     * initialized this will release the reference to the GraphicBuffer in that
-     * slot and destroy the EGLImage in that slot.  Otherwise it has no effect.
-     */
-    void onFreeBufferLocked(int slotIndex);
-
-    /**
-     * onAbandonLocked amends the ConsumerBase method to clear
-     * mCurrentTextureImage in addition to the ConsumerBase behavior.
-     */
-    void onAbandonLocked();
-
-protected:
-    struct PendingRelease {
-        PendingRelease()
-                : isPending(false)
-                , currentTexture(-1)
-                , graphicBuffer()
-                , display(nullptr)
-                , fence(nullptr) {}
-
-        bool isPending;
-        int currentTexture;
-        sp<GraphicBuffer> graphicBuffer;
-        EGLDisplay display;
-        EGLSyncKHR fence;
-    };
-
-    /**
-     * This releases the buffer in the slot referenced by mCurrentTexture,
-     * then updates state to refer to the BufferItem, which must be a
-     * newly-acquired buffer. If pendingRelease is not null, the parameters
-     * which would have been passed to releaseBufferLocked upon the successful
-     * completion of the method will instead be returned to the caller, so that
-     * it may call releaseBufferLocked itself later.
-     */
-    status_t updateAndReleaseLocked(const BufferItem& item, PendingRelease* pendingRelease,
-                                    SurfaceTexture& st);
-
-    /**
-     * Binds mTexName and the current buffer to mTexTarget.  Uses
-     * mCurrentTexture if it's set, mCurrentTextureImage if not.  If the
-     * bind succeeds, this calls doGLFenceWait.
-     */
-    status_t bindTextureImageLocked(SurfaceTexture& st);
-
-    /**
-     * Gets the current EGLDisplay and EGLContext values, and compares them
-     * to mEglDisplay and mEglContext.  If the fields have been previously
-     * set, the values must match; if not, the fields are set to the current
-     * values.
-     * The contextCheck argument is used to ensure that a GL context is
-     * properly set; when set to false, the check is not performed.
-     */
-    status_t checkAndUpdateEglStateLocked(SurfaceTexture& st, bool contextCheck = false);
-
-    /**
-     * EglImage is a utility class for tracking and creating EGLImageKHRs. There
-     * is primarily just one image per slot, but there is also special cases:
-     *  - For releaseTexImage, we use a debug image (mReleasedTexImage)
-     *  - After freeBuffer, we must still keep the current image/buffer
-     * Reference counting EGLImages lets us handle all these cases easily while
-     * also only creating new EGLImages from buffers when required.
-     */
-    class EglImage : public LightRefBase<EglImage> {
-    public:
-        EglImage(sp<GraphicBuffer> graphicBuffer);
-
-        /**
-         * createIfNeeded creates an EGLImage if required (we haven't created
-         * one yet, or the EGLDisplay or crop-rect has changed).
-         */
-        status_t createIfNeeded(EGLDisplay display, bool forceCreate = false);
-
-        /**
-         * This calls glEGLImageTargetTexture2DOES to bind the image to the
-         * texture in the specified texture target.
-         */
-        void bindToTextureTarget(uint32_t texTarget);
-
-        const sp<GraphicBuffer>& graphicBuffer() { return mGraphicBuffer; }
-        const native_handle* graphicBufferHandle() {
-            return mGraphicBuffer == nullptr ? nullptr : mGraphicBuffer->handle;
-        }
-
-    private:
-        // Only allow instantiation using ref counting.
-        friend class LightRefBase<EglImage>;
-        virtual ~EglImage();
-
-        // createImage creates a new EGLImage from a GraphicBuffer.
-        EGLImageKHR createImage(EGLDisplay dpy, const sp<GraphicBuffer>& graphicBuffer);
-
-        // Disallow copying
-        EglImage(const EglImage& rhs);
-        void operator=(const EglImage& rhs);
-
-        // mGraphicBuffer is the buffer that was used to create this image.
-        sp<GraphicBuffer> mGraphicBuffer;
-
-        // mEglImage is the EGLImage created from mGraphicBuffer.
-        EGLImageKHR mEglImage;
-
-        // mEGLDisplay is the EGLDisplay that was used to create mEglImage.
-        EGLDisplay mEglDisplay;
-
-        // mCropRect is the crop rectangle passed to EGL when mEglImage
-        // was created.
-        Rect mCropRect;
-    };
-
-    /**
-     * doGLFenceWaitLocked inserts a wait command into the OpenGL ES command
-     * stream to ensure that it is safe for future OpenGL ES commands to
-     * access the current texture buffer.
-     */
-    status_t doGLFenceWaitLocked(SurfaceTexture& st) const;
-
-    /**
-     * syncForReleaseLocked performs the synchronization needed to release the
-     * current slot from an OpenGL ES context.  If needed it will set the
-     * current slot's fence to guard against a producer accessing the buffer
-     * before the outstanding accesses have completed.
-     */
-    status_t syncForReleaseLocked(EGLDisplay dpy, SurfaceTexture& st);
-
-    /**
-     * returns a graphic buffer used when the texture image has been released
-     */
-    static sp<GraphicBuffer> getDebugTexImageBuffer();
-
-    /**
-     * The default consumer usage flags that EGLConsumer always sets on its
-     * BufferQueue instance; these will be OR:d with any additional flags passed
-     * from the EGLConsumer user. In particular, EGLConsumer will always
-     * consume buffers as hardware textures.
-     */
-    static const uint64_t DEFAULT_USAGE_FLAGS = GraphicBuffer::USAGE_HW_TEXTURE;
-
-    /**
-     * mCurrentTextureImage is the EglImage/buffer of the current texture. It's
-     * possible that this buffer is not associated with any buffer slot, so we
-     * must track it separately in order to support the getCurrentBuffer method.
-     */
-    sp<EglImage> mCurrentTextureImage;
-
-    /**
-     * EGLSlot contains the information and object references that
-     * EGLConsumer maintains about a BufferQueue buffer slot.
-     */
-    struct EglSlot {
-        EglSlot() : mEglFence(EGL_NO_SYNC_KHR) {}
-
-        /**
-         * mEglImage is the EGLImage created from mGraphicBuffer.
-         */
-        sp<EglImage> mEglImage;
-
-        /**
-         * mFence is the EGL sync object that must signal before the buffer
-         * associated with this buffer slot may be dequeued. It is initialized
-         * to EGL_NO_SYNC_KHR when the buffer is created and (optionally, based
-         * on a compile-time option) set to a new sync object in updateTexImage.
-         */
-        EGLSyncKHR mEglFence;
-    };
-
-    /**
-     * mEglDisplay is the EGLDisplay with which this EGLConsumer is currently
-     * associated.  It is intialized to EGL_NO_DISPLAY and gets set to the
-     * current display when updateTexImage is called for the first time and when
-     * attachToContext is called.
-     */
-    EGLDisplay mEglDisplay;
-
-    /**
-     * mEglContext is the OpenGL ES context with which this EGLConsumer is
-     * currently associated.  It is initialized to EGL_NO_CONTEXT and gets set
-     * to the current GL context when updateTexImage is called for the first
-     * time and when attachToContext is called.
-     */
-    EGLContext mEglContext;
-
-    /**
-     * mEGLSlots stores the buffers that have been allocated by the BufferQueue
-     * for each buffer slot.  It is initialized to null pointers, and gets
-     * filled in with the result of BufferQueue::acquire when the
-     * client dequeues a buffer from a
-     * slot that has not yet been used. The buffer allocated to a slot will also
-     * be replaced if the requested buffer usage or geometry differs from that
-     * of the buffer allocated to a slot.
-     */
-    EglSlot mEglSlots[BufferQueueDefs::NUM_BUFFER_SLOTS];
-
-    /**
-     * protects static initialization
-     */
-    static Mutex sStaticInitLock;
-
-    /**
-     * mReleasedTexImageBuffer is a dummy buffer used when in single buffer
-     * mode and releaseTexImage() has been called
-     */
-    static sp<GraphicBuffer> sReleasedTexImageBuffer;
-    sp<EglImage> mReleasedTexImage;
-};
-
-};  // namespace android
diff --git a/libs/hwui/surfacetexture/ImageConsumer.cpp b/libs/hwui/surfacetexture/ImageConsumer.cpp
deleted file mode 100644
index c86cd96..0000000
--- a/libs/hwui/surfacetexture/ImageConsumer.cpp
+++ /dev/null
@@ -1,152 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "ImageConsumer.h"
-#include <gui/BufferQueue.h>
-#include "Properties.h"
-#include "SurfaceTexture.h"
-#include "renderstate/RenderState.h"
-#include "renderthread/EglManager.h"
-#include "renderthread/RenderThread.h"
-#include "renderthread/VulkanManager.h"
-
-// Macro for including the SurfaceTexture name in log messages
-#define IMG_LOGE(x, ...) ALOGE("[%s] " x, st.mName.string(), ##__VA_ARGS__)
-
-namespace android {
-
-void ImageConsumer::onFreeBufferLocked(int slotIndex) {
-    mImageSlots[slotIndex].mImage.reset();
-}
-
-void ImageConsumer::onAcquireBufferLocked(BufferItem* item) {
-    // If item->mGraphicBuffer is not null, this buffer has not been acquired
-    // before, so any prior SkImage is created with a stale buffer. This resets the stale SkImage.
-    if (item->mGraphicBuffer != nullptr) {
-        mImageSlots[item->mSlot].mImage.reset();
-    }
-}
-
-void ImageConsumer::onReleaseBufferLocked(int buf) {
-    mImageSlots[buf].mEglFence = EGL_NO_SYNC_KHR;
-}
-
-void ImageConsumer::ImageSlot::createIfNeeded(sp<GraphicBuffer> graphicBuffer) {
-    if (!mImage.get()) {
-        mImage = graphicBuffer.get()
-                         ? SkImage::MakeFromAHardwareBuffer(
-                                   reinterpret_cast<AHardwareBuffer*>(graphicBuffer.get()),
-                                   kPremul_SkAlphaType, SkColorSpace::MakeSRGB())
-                         : nullptr;
-    }
-}
-
-sk_sp<SkImage> ImageConsumer::dequeueImage(bool* queueEmpty, SurfaceTexture& st,
-                                           uirenderer::RenderState& renderState) {
-    BufferItem item;
-    status_t err;
-    err = st.acquireBufferLocked(&item, 0);
-    if (err != OK) {
-        if (err != BufferQueue::NO_BUFFER_AVAILABLE) {
-            IMG_LOGE("Error acquiring buffer: %s (%d)", strerror(err), err);
-        } else {
-            int slot = st.mCurrentTexture;
-            if (slot != BufferItem::INVALID_BUFFER_SLOT) {
-                *queueEmpty = true;
-                mImageSlots[slot].createIfNeeded(st.mSlots[slot].mGraphicBuffer);
-                return mImageSlots[slot].mImage;
-            }
-        }
-        return nullptr;
-    }
-
-    int slot = item.mSlot;
-    if (item.mFence->isValid()) {
-        // Wait on the producer fence for the buffer to be ready.
-        if (uirenderer::Properties::getRenderPipelineType() ==
-            uirenderer::RenderPipelineType::SkiaGL) {
-            err = renderState.getRenderThread().eglManager().fenceWait(item.mFence);
-        } else {
-            err = renderState.getRenderThread().vulkanManager().fenceWait(item.mFence);
-        }
-        if (err != OK) {
-            st.releaseBufferLocked(slot, st.mSlots[slot].mGraphicBuffer, EGL_NO_DISPLAY,
-                                   EGL_NO_SYNC_KHR);
-            return nullptr;
-        }
-    }
-
-    // Release old buffer.
-    if (st.mCurrentTexture != BufferItem::INVALID_BUFFER_SLOT) {
-        // If needed, set the released slot's fence to guard against a producer accessing the
-        // buffer before the outstanding accesses have completed.
-        sp<Fence> releaseFence;
-        EGLDisplay display = EGL_NO_DISPLAY;
-        if (uirenderer::Properties::getRenderPipelineType() ==
-            uirenderer::RenderPipelineType::SkiaGL) {
-            auto& eglManager = renderState.getRenderThread().eglManager();
-            display = eglManager.eglDisplay();
-            err = eglManager.createReleaseFence(st.mUseFenceSync, &mImageSlots[slot].mEglFence,
-                                                releaseFence);
-        } else {
-            err = renderState.getRenderThread().vulkanManager().createReleaseFence(releaseFence);
-        }
-        if (OK != err) {
-            st.releaseBufferLocked(slot, st.mSlots[slot].mGraphicBuffer, EGL_NO_DISPLAY,
-                                   EGL_NO_SYNC_KHR);
-            return nullptr;
-        }
-
-        if (releaseFence.get()) {
-            status_t err = st.addReleaseFenceLocked(
-                    st.mCurrentTexture, st.mSlots[st.mCurrentTexture].mGraphicBuffer, releaseFence);
-            if (err != OK) {
-                IMG_LOGE("dequeueImage: error adding release fence: %s (%d)", strerror(-err), err);
-                st.releaseBufferLocked(slot, st.mSlots[slot].mGraphicBuffer, EGL_NO_DISPLAY,
-                                       EGL_NO_SYNC_KHR);
-                return nullptr;
-            }
-        }
-
-        // Finally release the old buffer.
-        status_t status = st.releaseBufferLocked(
-                st.mCurrentTexture, st.mSlots[st.mCurrentTexture].mGraphicBuffer, display,
-                mImageSlots[st.mCurrentTexture].mEglFence);
-        if (status < NO_ERROR) {
-            IMG_LOGE("dequeueImage: failed to release buffer: %s (%d)", strerror(-status), status);
-            err = status;
-            // Keep going, with error raised.
-        }
-    }
-
-    // Update the state.
-    st.mCurrentTexture = slot;
-    st.mCurrentCrop = item.mCrop;
-    st.mCurrentTransform = item.mTransform;
-    st.mCurrentScalingMode = item.mScalingMode;
-    st.mCurrentTimestamp = item.mTimestamp;
-    st.mCurrentDataSpace = item.mDataSpace;
-    st.mCurrentFence = item.mFence;
-    st.mCurrentFenceTime = item.mFenceTime;
-    st.mCurrentFrameNumber = item.mFrameNumber;
-    st.computeCurrentTransformMatrixLocked();
-
-    *queueEmpty = false;
-    mImageSlots[slot].createIfNeeded(st.mSlots[slot].mGraphicBuffer);
-    return mImageSlots[slot].mImage;
-}
-
-} /* namespace android */
diff --git a/libs/hwui/surfacetexture/ImageConsumer.h b/libs/hwui/surfacetexture/ImageConsumer.h
deleted file mode 100644
index 31ee8db..0000000
--- a/libs/hwui/surfacetexture/ImageConsumer.h
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <EGL/egl.h>
-#include <EGL/eglext.h>
-
-#include <gui/BufferQueueDefs.h>
-
-#include <SkImage.h>
-#include <cutils/compiler.h>
-#include <gui/BufferItem.h>
-#include <system/graphics.h>
-
-namespace android {
-
-namespace uirenderer {
-class RenderState;
-}
-
-class SurfaceTexture;
-
-/*
- * ImageConsumer implements the parts of SurfaceTexture that deal with
- * images consumed by HWUI view system.
- */
-class ImageConsumer {
-public:
-    sk_sp<SkImage> dequeueImage(bool* queueEmpty, SurfaceTexture& cb,
-                                uirenderer::RenderState& renderState);
-
-    /**
-     * onAcquireBufferLocked amends the ConsumerBase method to update the
-     * mImageSlots array in addition to the ConsumerBase behavior.
-     */
-    void onAcquireBufferLocked(BufferItem* item);
-
-    /**
-     * onReleaseBufferLocked amends the ConsumerBase method to update the
-     * mImageSlots array in addition to the ConsumerBase.
-     */
-    void onReleaseBufferLocked(int slot);
-
-    /**
-     * onFreeBufferLocked frees up the given buffer slot. If the slot has been
-     * initialized this will release the reference to the GraphicBuffer in that
-     * slot and destroy the SkImage in that slot. Otherwise it has no effect.
-     */
-    void onFreeBufferLocked(int slotIndex);
-
-private:
-    /**
-     * ImageSlot contains the information and object references that
-     * ImageConsumer maintains about a BufferQueue buffer slot.
-     */
-    struct ImageSlot {
-        ImageSlot() : mEglFence(EGL_NO_SYNC_KHR) {}
-
-        // mImage is the SkImage created from mGraphicBuffer.
-        sk_sp<SkImage> mImage;
-
-        /**
-         * mEglFence is the EGL sync object that must signal before the buffer
-         * associated with this buffer slot may be dequeued.
-         */
-        EGLSyncKHR mEglFence;
-
-        void createIfNeeded(sp<GraphicBuffer> graphicBuffer);
-    };
-
-    /**
-     * ImageConsumer stores the SkImages that have been allocated by the BufferQueue
-     * for each buffer slot.  It is initialized to null pointers, and gets
-     * filled in with the result of BufferQueue::acquire when the
-     * client dequeues a buffer from a
-     * slot that has not yet been used. The buffer allocated to a slot will also
-     * be replaced if the requested buffer usage or geometry differs from that
-     * of the buffer allocated to a slot.
-     */
-    ImageSlot mImageSlots[BufferQueueDefs::NUM_BUFFER_SLOTS];
-};
-
-}; /* namespace android */
diff --git a/libs/hwui/surfacetexture/SurfaceTexture.cpp b/libs/hwui/surfacetexture/SurfaceTexture.cpp
deleted file mode 100644
index 4bff715..0000000
--- a/libs/hwui/surfacetexture/SurfaceTexture.cpp
+++ /dev/null
@@ -1,496 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <cutils/compiler.h>
-#include <gui/BufferQueue.h>
-#include <math/mat4.h>
-#include <system/window.h>
-
-#include <utils/Trace.h>
-
-#include "Matrix.h"
-#include "SurfaceTexture.h"
-
-namespace android {
-
-// Macros for including the SurfaceTexture name in log messages
-#define SFT_LOGV(x, ...) ALOGV("[%s] " x, mName.string(), ##__VA_ARGS__)
-#define SFT_LOGD(x, ...) ALOGD("[%s] " x, mName.string(), ##__VA_ARGS__)
-#define SFT_LOGW(x, ...) ALOGW("[%s] " x, mName.string(), ##__VA_ARGS__)
-#define SFT_LOGE(x, ...) ALOGE("[%s] " x, mName.string(), ##__VA_ARGS__)
-
-static const mat4 mtxIdentity;
-
-SurfaceTexture::SurfaceTexture(const sp<IGraphicBufferConsumer>& bq, uint32_t tex,
-                               uint32_t texTarget, bool useFenceSync, bool isControlledByApp)
-        : ConsumerBase(bq, isControlledByApp)
-        , mCurrentCrop(Rect::EMPTY_RECT)
-        , mCurrentTransform(0)
-        , mCurrentScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE)
-        , mCurrentFence(Fence::NO_FENCE)
-        , mCurrentTimestamp(0)
-        , mCurrentDataSpace(HAL_DATASPACE_UNKNOWN)
-        , mCurrentFrameNumber(0)
-        , mDefaultWidth(1)
-        , mDefaultHeight(1)
-        , mFilteringEnabled(true)
-        , mTexName(tex)
-        , mUseFenceSync(useFenceSync)
-        , mTexTarget(texTarget)
-        , mCurrentTexture(BufferQueue::INVALID_BUFFER_SLOT)
-        , mOpMode(OpMode::attachedToGL) {
-    SFT_LOGV("SurfaceTexture");
-
-    memcpy(mCurrentTransformMatrix, mtxIdentity.asArray(), sizeof(mCurrentTransformMatrix));
-
-    mConsumer->setConsumerUsageBits(DEFAULT_USAGE_FLAGS);
-}
-
-SurfaceTexture::SurfaceTexture(const sp<IGraphicBufferConsumer>& bq, uint32_t texTarget,
-                               bool useFenceSync, bool isControlledByApp)
-        : ConsumerBase(bq, isControlledByApp)
-        , mCurrentCrop(Rect::EMPTY_RECT)
-        , mCurrentTransform(0)
-        , mCurrentScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE)
-        , mCurrentFence(Fence::NO_FENCE)
-        , mCurrentTimestamp(0)
-        , mCurrentDataSpace(HAL_DATASPACE_UNKNOWN)
-        , mCurrentFrameNumber(0)
-        , mDefaultWidth(1)
-        , mDefaultHeight(1)
-        , mFilteringEnabled(true)
-        , mTexName(0)
-        , mUseFenceSync(useFenceSync)
-        , mTexTarget(texTarget)
-        , mCurrentTexture(BufferQueue::INVALID_BUFFER_SLOT)
-        , mOpMode(OpMode::detached) {
-    SFT_LOGV("SurfaceTexture");
-
-    memcpy(mCurrentTransformMatrix, mtxIdentity.asArray(), sizeof(mCurrentTransformMatrix));
-
-    mConsumer->setConsumerUsageBits(DEFAULT_USAGE_FLAGS);
-}
-
-status_t SurfaceTexture::setDefaultBufferSize(uint32_t w, uint32_t h) {
-    Mutex::Autolock lock(mMutex);
-    if (mAbandoned) {
-        SFT_LOGE("setDefaultBufferSize: SurfaceTexture is abandoned!");
-        return NO_INIT;
-    }
-    mDefaultWidth = w;
-    mDefaultHeight = h;
-    return mConsumer->setDefaultBufferSize(w, h);
-}
-
-status_t SurfaceTexture::updateTexImage() {
-    ATRACE_CALL();
-    SFT_LOGV("updateTexImage");
-    Mutex::Autolock lock(mMutex);
-
-    if (mAbandoned) {
-        SFT_LOGE("updateTexImage: SurfaceTexture is abandoned!");
-        return NO_INIT;
-    }
-
-    return mEGLConsumer.updateTexImage(*this);
-}
-
-status_t SurfaceTexture::releaseTexImage() {
-    // releaseTexImage can be invoked even when not attached to a GL context.
-    ATRACE_CALL();
-    SFT_LOGV("releaseTexImage");
-    Mutex::Autolock lock(mMutex);
-
-    if (mAbandoned) {
-        SFT_LOGE("releaseTexImage: SurfaceTexture is abandoned!");
-        return NO_INIT;
-    }
-
-    return mEGLConsumer.releaseTexImage(*this);
-}
-
-status_t SurfaceTexture::acquireBufferLocked(BufferItem* item, nsecs_t presentWhen,
-                                             uint64_t maxFrameNumber) {
-    status_t err = ConsumerBase::acquireBufferLocked(item, presentWhen, maxFrameNumber);
-    if (err != NO_ERROR) {
-        return err;
-    }
-
-    switch (mOpMode) {
-        case OpMode::attachedToView:
-            mImageConsumer.onAcquireBufferLocked(item);
-            break;
-        case OpMode::attachedToGL:
-            mEGLConsumer.onAcquireBufferLocked(item, *this);
-            break;
-        case OpMode::detached:
-            break;
-    }
-
-    return NO_ERROR;
-}
-
-status_t SurfaceTexture::releaseBufferLocked(int buf, sp<GraphicBuffer> graphicBuffer,
-                                             EGLDisplay display, EGLSyncKHR eglFence) {
-    // release the buffer if it hasn't already been discarded by the
-    // BufferQueue. This can happen, for example, when the producer of this
-    // buffer has reallocated the original buffer slot after this buffer
-    // was acquired.
-    status_t err = ConsumerBase::releaseBufferLocked(buf, graphicBuffer, display, eglFence);
-    // We could be releasing an EGL buffer, even if not currently attached to a GL context.
-    mImageConsumer.onReleaseBufferLocked(buf);
-    mEGLConsumer.onReleaseBufferLocked(buf);
-    return err;
-}
-
-status_t SurfaceTexture::detachFromContext() {
-    ATRACE_CALL();
-    SFT_LOGV("detachFromContext");
-    Mutex::Autolock lock(mMutex);
-
-    if (mAbandoned) {
-        SFT_LOGE("detachFromContext: abandoned SurfaceTexture");
-        return NO_INIT;
-    }
-
-    if (mOpMode != OpMode::attachedToGL) {
-        SFT_LOGE("detachFromContext: SurfaceTexture is not attached to a GL context");
-        return INVALID_OPERATION;
-    }
-
-    status_t err = mEGLConsumer.detachFromContext(*this);
-    if (err == OK) {
-        mOpMode = OpMode::detached;
-    }
-
-    return err;
-}
-
-status_t SurfaceTexture::attachToContext(uint32_t tex) {
-    ATRACE_CALL();
-    SFT_LOGV("attachToContext");
-    Mutex::Autolock lock(mMutex);
-
-    if (mAbandoned) {
-        SFT_LOGE("attachToContext: abandoned SurfaceTexture");
-        return NO_INIT;
-    }
-
-    if (mOpMode != OpMode::detached) {
-        SFT_LOGE(
-                "attachToContext: SurfaceTexture is already attached to a "
-                "context");
-        return INVALID_OPERATION;
-    }
-
-    if (mCurrentTexture != BufferQueue::INVALID_BUFFER_SLOT) {
-        // release possible ImageConsumer cache
-        mImageConsumer.onFreeBufferLocked(mCurrentTexture);
-    }
-
-    return mEGLConsumer.attachToContext(tex, *this);
-}
-
-void SurfaceTexture::attachToView() {
-    ATRACE_CALL();
-    Mutex::Autolock _l(mMutex);
-    if (mAbandoned) {
-        SFT_LOGE("attachToView: abandoned SurfaceTexture");
-        return;
-    }
-    if (mOpMode == OpMode::detached) {
-        mOpMode = OpMode::attachedToView;
-
-        if (mCurrentTexture != BufferQueue::INVALID_BUFFER_SLOT) {
-            // release possible EGLConsumer texture cache
-            mEGLConsumer.onFreeBufferLocked(mCurrentTexture);
-            mEGLConsumer.onAbandonLocked();
-        }
-    } else {
-        SFT_LOGE("attachToView: already attached");
-    }
-}
-
-void SurfaceTexture::detachFromView() {
-    ATRACE_CALL();
-    Mutex::Autolock _l(mMutex);
-
-    if (mAbandoned) {
-        SFT_LOGE("detachFromView: abandoned SurfaceTexture");
-        return;
-    }
-
-    if (mOpMode == OpMode::attachedToView) {
-        mOpMode = OpMode::detached;
-    } else {
-        SFT_LOGE("detachFromView: not attached to View");
-    }
-}
-
-uint32_t SurfaceTexture::getCurrentTextureTarget() const {
-    return mTexTarget;
-}
-
-void SurfaceTexture::getTransformMatrix(float mtx[16]) {
-    Mutex::Autolock lock(mMutex);
-    memcpy(mtx, mCurrentTransformMatrix, sizeof(mCurrentTransformMatrix));
-}
-
-void SurfaceTexture::setFilteringEnabled(bool enabled) {
-    Mutex::Autolock lock(mMutex);
-    if (mAbandoned) {
-        SFT_LOGE("setFilteringEnabled: SurfaceTexture is abandoned!");
-        return;
-    }
-    bool needsRecompute = mFilteringEnabled != enabled;
-    mFilteringEnabled = enabled;
-
-    if (needsRecompute && mCurrentTexture == BufferQueue::INVALID_BUFFER_SLOT) {
-        SFT_LOGD("setFilteringEnabled called with no current item");
-    }
-
-    if (needsRecompute && mCurrentTexture != BufferQueue::INVALID_BUFFER_SLOT) {
-        computeCurrentTransformMatrixLocked();
-    }
-}
-
-void SurfaceTexture::computeCurrentTransformMatrixLocked() {
-    SFT_LOGV("computeCurrentTransformMatrixLocked");
-    sp<GraphicBuffer> buf = (mCurrentTexture == BufferQueue::INVALID_BUFFER_SLOT)
-                                    ? nullptr
-                                    : mSlots[mCurrentTexture].mGraphicBuffer;
-    if (buf == nullptr) {
-        SFT_LOGD("computeCurrentTransformMatrixLocked: no current item");
-    }
-    computeTransformMatrix(mCurrentTransformMatrix, buf, mCurrentCrop, mCurrentTransform,
-                           mFilteringEnabled);
-}
-
-void SurfaceTexture::computeTransformMatrix(float outTransform[16], const sp<GraphicBuffer>& buf,
-                                            const Rect& cropRect, uint32_t transform,
-                                            bool filtering) {
-    // Transform matrices
-    static const mat4 mtxFlipH(-1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1);
-    static const mat4 mtxFlipV(1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1);
-    static const mat4 mtxRot90(0, 1, 0, 0, -1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1);
-
-    mat4 xform;
-    if (transform & NATIVE_WINDOW_TRANSFORM_FLIP_H) {
-        xform *= mtxFlipH;
-    }
-    if (transform & NATIVE_WINDOW_TRANSFORM_FLIP_V) {
-        xform *= mtxFlipV;
-    }
-    if (transform & NATIVE_WINDOW_TRANSFORM_ROT_90) {
-        xform *= mtxRot90;
-    }
-
-    if (!cropRect.isEmpty() && buf.get()) {
-        float tx = 0.0f, ty = 0.0f, sx = 1.0f, sy = 1.0f;
-        float bufferWidth = buf->getWidth();
-        float bufferHeight = buf->getHeight();
-        float shrinkAmount = 0.0f;
-        if (filtering) {
-            // In order to prevent bilinear sampling beyond the edge of the
-            // crop rectangle we may need to shrink it by 2 texels in each
-            // dimension.  Normally this would just need to take 1/2 a texel
-            // off each end, but because the chroma channels of YUV420 images
-            // are subsampled we may need to shrink the crop region by a whole
-            // texel on each side.
-            switch (buf->getPixelFormat()) {
-                case PIXEL_FORMAT_RGBA_8888:
-                case PIXEL_FORMAT_RGBX_8888:
-                case PIXEL_FORMAT_RGBA_FP16:
-                case PIXEL_FORMAT_RGBA_1010102:
-                case PIXEL_FORMAT_RGB_888:
-                case PIXEL_FORMAT_RGB_565:
-                case PIXEL_FORMAT_BGRA_8888:
-                    // We know there's no subsampling of any channels, so we
-                    // only need to shrink by a half a pixel.
-                    shrinkAmount = 0.5;
-                    break;
-
-                default:
-                    // If we don't recognize the format, we must assume the
-                    // worst case (that we care about), which is YUV420.
-                    shrinkAmount = 1.0;
-                    break;
-            }
-        }
-
-        // Only shrink the dimensions that are not the size of the buffer.
-        if (cropRect.width() < bufferWidth) {
-            tx = (float(cropRect.left) + shrinkAmount) / bufferWidth;
-            sx = (float(cropRect.width()) - (2.0f * shrinkAmount)) / bufferWidth;
-        }
-        if (cropRect.height() < bufferHeight) {
-            ty = (float(bufferHeight - cropRect.bottom) + shrinkAmount) / bufferHeight;
-            sy = (float(cropRect.height()) - (2.0f * shrinkAmount)) / bufferHeight;
-        }
-
-        mat4 crop(sx, 0, 0, 0, 0, sy, 0, 0, 0, 0, 1, 0, tx, ty, 0, 1);
-        xform = crop * xform;
-    }
-
-    // SurfaceFlinger expects the top of its window textures to be at a Y
-    // coordinate of 0, so SurfaceTexture must behave the same way.  We don't
-    // want to expose this to applications, however, so we must add an
-    // additional vertical flip to the transform after all the other transforms.
-    xform = mtxFlipV * xform;
-
-    memcpy(outTransform, xform.asArray(), sizeof(xform));
-}
-
-Rect SurfaceTexture::scaleDownCrop(const Rect& crop, uint32_t bufferWidth, uint32_t bufferHeight) {
-    Rect outCrop = crop;
-
-    uint32_t newWidth = static_cast<uint32_t>(crop.width());
-    uint32_t newHeight = static_cast<uint32_t>(crop.height());
-
-    if (newWidth * bufferHeight > newHeight * bufferWidth) {
-        newWidth = newHeight * bufferWidth / bufferHeight;
-        ALOGV("too wide: newWidth = %d", newWidth);
-    } else if (newWidth * bufferHeight < newHeight * bufferWidth) {
-        newHeight = newWidth * bufferHeight / bufferWidth;
-        ALOGV("too tall: newHeight = %d", newHeight);
-    }
-
-    uint32_t currentWidth = static_cast<uint32_t>(crop.width());
-    uint32_t currentHeight = static_cast<uint32_t>(crop.height());
-
-    // The crop is too wide
-    if (newWidth < currentWidth) {
-        uint32_t dw = currentWidth - newWidth;
-        auto halfdw = dw / 2;
-        outCrop.left += halfdw;
-        // Not halfdw because it would subtract 1 too few when dw is odd
-        outCrop.right -= (dw - halfdw);
-        // The crop is too tall
-    } else if (newHeight < currentHeight) {
-        uint32_t dh = currentHeight - newHeight;
-        auto halfdh = dh / 2;
-        outCrop.top += halfdh;
-        // Not halfdh because it would subtract 1 too few when dh is odd
-        outCrop.bottom -= (dh - halfdh);
-    }
-
-    ALOGV("getCurrentCrop final crop [%d,%d,%d,%d]", outCrop.left, outCrop.top, outCrop.right,
-          outCrop.bottom);
-
-    return outCrop;
-}
-
-nsecs_t SurfaceTexture::getTimestamp() {
-    SFT_LOGV("getTimestamp");
-    Mutex::Autolock lock(mMutex);
-    return mCurrentTimestamp;
-}
-
-android_dataspace SurfaceTexture::getCurrentDataSpace() {
-    SFT_LOGV("getCurrentDataSpace");
-    Mutex::Autolock lock(mMutex);
-    return mCurrentDataSpace;
-}
-
-uint64_t SurfaceTexture::getFrameNumber() {
-    SFT_LOGV("getFrameNumber");
-    Mutex::Autolock lock(mMutex);
-    return mCurrentFrameNumber;
-}
-
-Rect SurfaceTexture::getCurrentCrop() const {
-    Mutex::Autolock lock(mMutex);
-    return (mCurrentScalingMode == NATIVE_WINDOW_SCALING_MODE_SCALE_CROP)
-                   ? scaleDownCrop(mCurrentCrop, mDefaultWidth, mDefaultHeight)
-                   : mCurrentCrop;
-}
-
-uint32_t SurfaceTexture::getCurrentTransform() const {
-    Mutex::Autolock lock(mMutex);
-    return mCurrentTransform;
-}
-
-uint32_t SurfaceTexture::getCurrentScalingMode() const {
-    Mutex::Autolock lock(mMutex);
-    return mCurrentScalingMode;
-}
-
-sp<Fence> SurfaceTexture::getCurrentFence() const {
-    Mutex::Autolock lock(mMutex);
-    return mCurrentFence;
-}
-
-std::shared_ptr<FenceTime> SurfaceTexture::getCurrentFenceTime() const {
-    Mutex::Autolock lock(mMutex);
-    return mCurrentFenceTime;
-}
-
-void SurfaceTexture::freeBufferLocked(int slotIndex) {
-    SFT_LOGV("freeBufferLocked: slotIndex=%d", slotIndex);
-    if (slotIndex == mCurrentTexture) {
-        mCurrentTexture = BufferQueue::INVALID_BUFFER_SLOT;
-    }
-    // The slotIndex buffer could have EGL or SkImage cache, but there is no way to tell for sure.
-    // Buffers can be freed after SurfaceTexture has detached from GL context or View.
-    mImageConsumer.onFreeBufferLocked(slotIndex);
-    mEGLConsumer.onFreeBufferLocked(slotIndex);
-    ConsumerBase::freeBufferLocked(slotIndex);
-}
-
-void SurfaceTexture::abandonLocked() {
-    SFT_LOGV("abandonLocked");
-    mEGLConsumer.onAbandonLocked();
-    ConsumerBase::abandonLocked();
-}
-
-status_t SurfaceTexture::setConsumerUsageBits(uint64_t usage) {
-    return ConsumerBase::setConsumerUsageBits(usage | DEFAULT_USAGE_FLAGS);
-}
-
-void SurfaceTexture::dumpLocked(String8& result, const char* prefix) const {
-    result.appendFormat(
-            "%smTexName=%d mCurrentTexture=%d\n"
-            "%smCurrentCrop=[%d,%d,%d,%d] mCurrentTransform=%#x\n",
-            prefix, mTexName, mCurrentTexture, prefix, mCurrentCrop.left, mCurrentCrop.top,
-            mCurrentCrop.right, mCurrentCrop.bottom, mCurrentTransform);
-
-    ConsumerBase::dumpLocked(result, prefix);
-}
-
-sk_sp<SkImage> SurfaceTexture::dequeueImage(SkMatrix& transformMatrix, android_dataspace& dataSpace,
-                                            bool* queueEmpty,
-                                            uirenderer::RenderState& renderState) {
-    Mutex::Autolock _l(mMutex);
-
-    if (mAbandoned) {
-        SFT_LOGE("dequeueImage: SurfaceTexture is abandoned!");
-        return nullptr;
-    }
-
-    if (mOpMode != OpMode::attachedToView) {
-        SFT_LOGE("dequeueImage: SurfaceTexture is not attached to a View");
-        return nullptr;
-    }
-
-    auto image = mImageConsumer.dequeueImage(queueEmpty, *this, renderState);
-    if (image.get()) {
-        uirenderer::mat4(mCurrentTransformMatrix).copyTo(transformMatrix);
-        dataSpace = mCurrentDataSpace;
-    }
-    return image;
-}
-
-};  // namespace android
diff --git a/libs/hwui/surfacetexture/SurfaceTexture.h b/libs/hwui/surfacetexture/SurfaceTexture.h
deleted file mode 100644
index db392a9..0000000
--- a/libs/hwui/surfacetexture/SurfaceTexture.h
+++ /dev/null
@@ -1,452 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <gui/BufferQueueDefs.h>
-#include <gui/ConsumerBase.h>
-
-#include <ui/FenceTime.h>
-#include <ui/GraphicBuffer.h>
-
-#include <utils/Mutex.h>
-#include <utils/String8.h>
-
-#include "EGLConsumer.h"
-#include "ImageConsumer.h"
-
-namespace android {
-
-namespace uirenderer {
-class RenderState;
-}
-
-/*
- * SurfaceTexture consumes buffers of graphics data from a BufferQueue,
- * and makes them available to HWUI render thread as a SkImage and to
- * an application GL render thread as an OpenGL texture.
- *
- * When attached to an application GL render thread, a typical usage
- * pattern is to set up the SurfaceTexture with the
- * desired options, and call updateTexImage() when a new frame is desired.
- * If a new frame is available, the texture will be updated.  If not,
- * the previous contents are retained.
- *
- * When attached to a HWUI render thread, the TextureView implementation
- * calls dequeueImage, which either pulls a new SkImage or returns the
- * last cached SkImage if BufferQueue is empty.
- * When attached to HWUI render thread, SurfaceTexture is compatible to
- * both Vulkan and GL drawing pipelines.
- */
-class ANDROID_API SurfaceTexture : public ConsumerBase {
-public:
-    enum { TEXTURE_EXTERNAL = 0x8D65 };  // GL_TEXTURE_EXTERNAL_OES
-    typedef ConsumerBase::FrameAvailableListener FrameAvailableListener;
-
-    /**
-     * SurfaceTexture constructs a new SurfaceTexture object. If the constructor with
-     * the tex parameter is used, tex indicates the name of the OpenGL ES
-     * texture to which images are to be streamed. texTarget specifies the
-     * OpenGL ES texture target to which the texture will be bound in
-     * updateTexImage. useFenceSync specifies whether fences should be used to
-     * synchronize access to buffers if that behavior is enabled at
-     * compile-time.
-     *
-     * A SurfaceTexture may be detached from one OpenGL ES context and then
-     * attached to a different context using the detachFromContext and
-     * attachToContext methods, respectively. The intention of these methods is
-     * purely to allow a SurfaceTexture to be transferred from one consumer
-     * context to another. If such a transfer is not needed there is no
-     * requirement that either of these methods be called.
-     *
-     * If the constructor with the tex parameter is used, the SurfaceTexture is
-     * created in a state where it is considered attached to an OpenGL ES
-     * context for the purposes of the attachToContext and detachFromContext
-     * methods. However, despite being considered "attached" to a context, the
-     * specific OpenGL ES context doesn't get latched until the first call to
-     * updateTexImage. After that point, all calls to updateTexImage must be
-     * made with the same OpenGL ES context current.
-     *
-     * If the constructor without the tex parameter is used, the SurfaceTexture is
-     * created in a detached state, and attachToContext must be called before
-     * calls to updateTexImage.
-     */
-    SurfaceTexture(const sp<IGraphicBufferConsumer>& bq, uint32_t tex, uint32_t texureTarget,
-                   bool useFenceSync, bool isControlledByApp);
-
-    SurfaceTexture(const sp<IGraphicBufferConsumer>& bq, uint32_t texureTarget, bool useFenceSync,
-                   bool isControlledByApp);
-
-    /**
-     * updateTexImage acquires the most recently queued buffer, and sets the
-     * image contents of the target texture to it.
-     *
-     * This call may only be made while the OpenGL ES context to which the
-     * target texture belongs is bound to the calling thread.
-     *
-     * This calls doGLFenceWait to ensure proper synchronization.
-     */
-    status_t updateTexImage();
-
-    /**
-     * releaseTexImage releases the texture acquired in updateTexImage().
-     * This is intended to be used in single buffer mode.
-     *
-     * This call may only be made while the OpenGL ES context to which the
-     * target texture belongs is bound to the calling thread.
-     */
-    status_t releaseTexImage();
-
-    /**
-     * getTransformMatrix retrieves the 4x4 texture coordinate transform matrix
-     * associated with the texture image set by the most recent call to
-     * updateTexImage.
-     *
-     * This transform matrix maps 2D homogeneous texture coordinates of the form
-     * (s, t, 0, 1) with s and t in the inclusive range [0, 1] to the texture
-     * coordinate that should be used to sample that location from the texture.
-     * Sampling the texture outside of the range of this transform is undefined.
-     *
-     * This transform is necessary to compensate for transforms that the stream
-     * content producer may implicitly apply to the content. By forcing users of
-     * a SurfaceTexture to apply this transform we avoid performing an extra
-     * copy of the data that would be needed to hide the transform from the
-     * user.
-     *
-     * The matrix is stored in column-major order so that it may be passed
-     * directly to OpenGL ES via the glLoadMatrixf or glUniformMatrix4fv
-     * functions.
-     */
-    void getTransformMatrix(float mtx[16]);
-
-    /**
-     * Computes the transform matrix documented by getTransformMatrix
-     * from the BufferItem sub parts.
-     */
-    static void computeTransformMatrix(float outTransform[16], const sp<GraphicBuffer>& buf,
-                                       const Rect& cropRect, uint32_t transform, bool filtering);
-
-    /**
-     * Scale the crop down horizontally or vertically such that it has the
-     * same aspect ratio as the buffer does.
-     */
-    static Rect scaleDownCrop(const Rect& crop, uint32_t bufferWidth, uint32_t bufferHeight);
-
-    /**
-     * getTimestamp retrieves the timestamp associated with the texture image
-     * set by the most recent call to updateTexImage.
-     *
-     * The timestamp is in nanoseconds, and is monotonically increasing. Its
-     * other semantics (zero point, etc) are source-dependent and should be
-     * documented by the source.
-     */
-    int64_t getTimestamp();
-
-    /**
-     * getDataSpace retrieves the DataSpace associated with the texture image
-     * set by the most recent call to updateTexImage.
-     */
-    android_dataspace getCurrentDataSpace();
-
-    /**
-     * getFrameNumber retrieves the frame number associated with the texture
-     * image set by the most recent call to updateTexImage.
-     *
-     * The frame number is an incrementing counter set to 0 at the creation of
-     * the BufferQueue associated with this consumer.
-     */
-    uint64_t getFrameNumber();
-
-    /**
-     * setDefaultBufferSize is used to set the size of buffers returned by
-     * requestBuffers when a with and height of zero is requested.
-     * A call to setDefaultBufferSize() may trigger requestBuffers() to
-     * be called from the client.
-     * The width and height parameters must be no greater than the minimum of
-     * GL_MAX_VIEWPORT_DIMS and GL_MAX_TEXTURE_SIZE (see: glGetIntegerv).
-     * An error due to invalid dimensions might not be reported until
-     * updateTexImage() is called.
-     */
-    status_t setDefaultBufferSize(uint32_t width, uint32_t height);
-
-    /**
-     * setFilteringEnabled sets whether the transform matrix should be computed
-     * for use with bilinear filtering.
-     */
-    void setFilteringEnabled(bool enabled);
-
-    /**
-     * getCurrentTextureTarget returns the texture target of the current
-     * texture as returned by updateTexImage().
-     */
-    uint32_t getCurrentTextureTarget() const;
-
-    /**
-     * getCurrentCrop returns the cropping rectangle of the current buffer.
-     */
-    Rect getCurrentCrop() const;
-
-    /**
-     * getCurrentTransform returns the transform of the current buffer.
-     */
-    uint32_t getCurrentTransform() const;
-
-    /**
-     * getCurrentScalingMode returns the scaling mode of the current buffer.
-     */
-    uint32_t getCurrentScalingMode() const;
-
-    /**
-     * getCurrentFence returns the fence indicating when the current buffer is
-     * ready to be read from.
-     */
-    sp<Fence> getCurrentFence() const;
-
-    /**
-     * getCurrentFence returns the FenceTime indicating when the current
-     * buffer is ready to be read from.
-     */
-    std::shared_ptr<FenceTime> getCurrentFenceTime() const;
-
-    /**
-     * setConsumerUsageBits overrides the ConsumerBase method to OR
-     * DEFAULT_USAGE_FLAGS to usage.
-     */
-    status_t setConsumerUsageBits(uint64_t usage);
-
-    /**
-     * detachFromContext detaches the SurfaceTexture from the calling thread's
-     * current OpenGL ES context.  This context must be the same as the context
-     * that was current for previous calls to updateTexImage.
-     *
-     * Detaching a SurfaceTexture from an OpenGL ES context will result in the
-     * deletion of the OpenGL ES texture object into which the images were being
-     * streamed.  After a SurfaceTexture has been detached from the OpenGL ES
-     * context calls to updateTexImage will fail returning INVALID_OPERATION
-     * until the SurfaceTexture is attached to a new OpenGL ES context using the
-     * attachToContext method.
-     */
-    status_t detachFromContext();
-
-    /**
-     * attachToContext attaches a SurfaceTexture that is currently in the
-     * 'detached' state to the current OpenGL ES context.  A SurfaceTexture is
-     * in the 'detached' state iff detachFromContext has successfully been
-     * called and no calls to attachToContext have succeeded since the last
-     * detachFromContext call.  Calls to attachToContext made on a
-     * SurfaceTexture that is not in the 'detached' state will result in an
-     * INVALID_OPERATION error.
-     *
-     * The tex argument specifies the OpenGL ES texture object name in the
-     * new context into which the image contents will be streamed.  A successful
-     * call to attachToContext will result in this texture object being bound to
-     * the texture target and populated with the image contents that were
-     * current at the time of the last call to detachFromContext.
-     */
-    status_t attachToContext(uint32_t tex);
-
-    sk_sp<SkImage> dequeueImage(SkMatrix& transformMatrix, android_dataspace& dataSpace,
-                                bool* queueEmpty, uirenderer::RenderState& renderState);
-
-    /**
-     * attachToView attaches a SurfaceTexture that is currently in the
-     * 'detached' state to HWUI View system.
-     */
-    void attachToView();
-
-    /**
-     * detachFromView detaches a SurfaceTexture from HWUI View system.
-     */
-    void detachFromView();
-
-protected:
-    /**
-     * abandonLocked overrides the ConsumerBase method to clear
-     * mCurrentTextureImage in addition to the ConsumerBase behavior.
-     */
-    virtual void abandonLocked();
-
-    /**
-     * dumpLocked overrides the ConsumerBase method to dump SurfaceTexture-
-     * specific info in addition to the ConsumerBase behavior.
-     */
-    virtual void dumpLocked(String8& result, const char* prefix) const override;
-
-    /**
-     * acquireBufferLocked overrides the ConsumerBase method to update the
-     * mEglSlots array in addition to the ConsumerBase behavior.
-     */
-    virtual status_t acquireBufferLocked(BufferItem* item, nsecs_t presentWhen,
-                                         uint64_t maxFrameNumber = 0) override;
-
-    /**
-     * releaseBufferLocked overrides the ConsumerBase method to update the
-     * mEglSlots array in addition to the ConsumerBase.
-     */
-    virtual status_t releaseBufferLocked(int slot, const sp<GraphicBuffer> graphicBuffer,
-                                         EGLDisplay display, EGLSyncKHR eglFence) override;
-
-    /**
-     * freeBufferLocked frees up the given buffer slot. If the slot has been
-     * initialized this will release the reference to the GraphicBuffer in that
-     * slot and destroy the EGLImage in that slot.  Otherwise it has no effect.
-     *
-     * This method must be called with mMutex locked.
-     */
-    virtual void freeBufferLocked(int slotIndex);
-
-    /**
-     * computeCurrentTransformMatrixLocked computes the transform matrix for the
-     * current texture.  It uses mCurrentTransform and the current GraphicBuffer
-     * to compute this matrix and stores it in mCurrentTransformMatrix.
-     * mCurrentTextureImage must not be NULL.
-     */
-    void computeCurrentTransformMatrixLocked();
-
-    /**
-     * The default consumer usage flags that SurfaceTexture always sets on its
-     * BufferQueue instance; these will be OR:d with any additional flags passed
-     * from the SurfaceTexture user. In particular, SurfaceTexture will always
-     * consume buffers as hardware textures.
-     */
-    static const uint64_t DEFAULT_USAGE_FLAGS = GraphicBuffer::USAGE_HW_TEXTURE;
-
-    /**
-     * mCurrentCrop is the crop rectangle that applies to the current texture.
-     * It gets set each time updateTexImage is called.
-     */
-    Rect mCurrentCrop;
-
-    /**
-     * mCurrentTransform is the transform identifier for the current texture. It
-     * gets set each time updateTexImage is called.
-     */
-    uint32_t mCurrentTransform;
-
-    /**
-     * mCurrentScalingMode is the scaling mode for the current texture. It gets
-     * set each time updateTexImage is called.
-     */
-    uint32_t mCurrentScalingMode;
-
-    /**
-     * mCurrentFence is the fence received from BufferQueue in updateTexImage.
-     */
-    sp<Fence> mCurrentFence;
-
-    /**
-     * The FenceTime wrapper around mCurrentFence.
-     */
-    std::shared_ptr<FenceTime> mCurrentFenceTime{FenceTime::NO_FENCE};
-
-    /**
-     * mCurrentTransformMatrix is the transform matrix for the current texture.
-     * It gets computed by computeTransformMatrix each time updateTexImage is
-     * called.
-     */
-    float mCurrentTransformMatrix[16];
-
-    /**
-     * mCurrentTimestamp is the timestamp for the current texture. It
-     * gets set each time updateTexImage is called.
-     */
-    int64_t mCurrentTimestamp;
-
-    /**
-     * mCurrentDataSpace is the dataspace for the current texture. It
-     * gets set each time updateTexImage is called.
-     */
-    android_dataspace mCurrentDataSpace;
-
-    /**
-     * mCurrentFrameNumber is the frame counter for the current texture.
-     * It gets set each time updateTexImage is called.
-     */
-    uint64_t mCurrentFrameNumber;
-
-    uint32_t mDefaultWidth, mDefaultHeight;
-
-    /**
-     * mFilteringEnabled indicates whether the transform matrix is computed for
-     * use with bilinear filtering. It defaults to true and is changed by
-     * setFilteringEnabled().
-     */
-    bool mFilteringEnabled;
-
-    /**
-     * mTexName is the name of the OpenGL texture to which streamed images will
-     * be bound when updateTexImage is called. It is set at construction time
-     * and can be changed with a call to attachToContext.
-     */
-    uint32_t mTexName;
-
-    /**
-     * mUseFenceSync indicates whether creation of the EGL_KHR_fence_sync
-     * extension should be used to prevent buffers from being dequeued before
-     * it's safe for them to be written. It gets set at construction time and
-     * never changes.
-     */
-    const bool mUseFenceSync;
-
-    /**
-     * mTexTarget is the GL texture target with which the GL texture object is
-     * associated.  It is set in the constructor and never changed.  It is
-     * almost always GL_TEXTURE_EXTERNAL_OES except for one use case in Android
-     * Browser.  In that case it is set to GL_TEXTURE_2D to allow
-     * glCopyTexSubImage to read from the texture.  This is a hack to work
-     * around a GL driver limitation on the number of FBO attachments, which the
-     * browser's tile cache exceeds.
-     */
-    const uint32_t mTexTarget;
-
-    /**
-     * mCurrentTexture is the buffer slot index of the buffer that is currently
-     * bound to the OpenGL texture. It is initialized to INVALID_BUFFER_SLOT,
-     * indicating that no buffer slot is currently bound to the texture. Note,
-     * however, that a value of INVALID_BUFFER_SLOT does not necessarily mean
-     * that no buffer is bound to the texture. A call to setBufferCount will
-     * reset mCurrentTexture to INVALID_BUFFER_SLOT.
-     */
-    int mCurrentTexture;
-
-    enum class OpMode { detached, attachedToView, attachedToGL };
-    /**
-     * mOpMode indicates whether the SurfaceTexture is currently attached to
-     * an OpenGL ES context or the HWUI view system.  For legacy reasons, this is initialized to,
-     * "attachedToGL" indicating that the SurfaceTexture is considered to be attached to
-     * whatever GL context is current at the time of the first updateTexImage call.
-     * It is set to "detached" by detachFromContext, and then set to "attachedToGL" again by
-     * attachToContext.
-     * attachToView/detachFromView are used to attach/detach from HWUI view system.
-     */
-    OpMode mOpMode;
-
-    /**
-     * mEGLConsumer has SurfaceTexture logic used when attached to GL context.
-     */
-    EGLConsumer mEGLConsumer;
-
-    /**
-     * mImageConsumer has SurfaceTexture logic used when attached to HWUI view system.
-     */
-    ImageConsumer mImageConsumer;
-
-    friend class ImageConsumer;
-    friend class EGLConsumer;
-};
-
-// ----------------------------------------------------------------------------
-};  // namespace android
diff --git a/libs/hwui/tests/common/LeakChecker.cpp b/libs/hwui/tests/common/LeakChecker.cpp
index d2d37dc..5b36154 100644
--- a/libs/hwui/tests/common/LeakChecker.cpp
+++ b/libs/hwui/tests/common/LeakChecker.cpp
@@ -16,6 +16,7 @@
 
 #include "LeakChecker.h"
 
+#include "Caches.h"
 #include "TestUtils.h"
 
 #include <memunreachable/memunreachable.h>
@@ -70,6 +71,9 @@
     // thread-local caches so some leaks will not be properly tagged as leaks
     UnreachableMemoryInfo rtMemInfo;
     TestUtils::runOnRenderThread([&rtMemInfo](renderthread::RenderThread& thread) {
+        if (Caches::hasInstance()) {
+            Caches::getInstance().tasks.stop();
+        }
         // Check for leaks
         if (!GetUnreachableMemory(rtMemInfo)) {
             cerr << "Failed to get unreachable memory!" << endl;
diff --git a/libs/hwui/tests/common/TestUtils.cpp b/libs/hwui/tests/common/TestUtils.cpp
index 66b9b85..6958634 100644
--- a/libs/hwui/tests/common/TestUtils.cpp
+++ b/libs/hwui/tests/common/TestUtils.cpp
@@ -67,14 +67,16 @@
         renderthread::RenderThread& renderThread, uint32_t width, uint32_t height,
         const SkMatrix& transform) {
     sp<DeferredLayerUpdater> layerUpdater = createTextureLayerUpdater(renderThread);
-    layerUpdater->backingLayer()->getTransform() = transform;
+    layerUpdater->backingLayer()->getTransform().load(transform);
     layerUpdater->setSize(width, height);
     layerUpdater->setTransform(&transform);
 
     // updateLayer so it's ready to draw
-    SkMatrix identity;
-    identity.setIdentity();
-    layerUpdater->updateLayer(true, identity, HAL_DATASPACE_UNKNOWN, nullptr);
+    layerUpdater->updateLayer(true, Matrix4::identity().data, HAL_DATASPACE_UNKNOWN);
+    if (layerUpdater->backingLayer()->getApi() == Layer::Api::OpenGL) {
+        static_cast<GlLayer*>(layerUpdater->backingLayer())
+                ->setRenderTarget(GL_TEXTURE_EXTERNAL_OES);
+    }
     return layerUpdater;
 }
 
@@ -115,6 +117,7 @@
     if (Properties::getRenderPipelineType() == RenderPipelineType::SkiaVulkan) {
         renderThread.vulkanManager().destroy();
     } else {
+        renderThread.renderState().flush(Caches::FlushMode::Full);
         renderThread.destroyGlContext();
     }
 }
diff --git a/libs/hwui/tests/common/TestUtils.h b/libs/hwui/tests/common/TestUtils.h
index 0e6582c..743f809 100644
--- a/libs/hwui/tests/common/TestUtils.h
+++ b/libs/hwui/tests/common/TestUtils.h
@@ -18,6 +18,7 @@
 
 #include <DeviceInfo.h>
 #include <DisplayList.h>
+#include <GlLayer.h>
 #include <Matrix.h>
 #include <Properties.h>
 #include <Rect.h>
diff --git a/libs/hwui/tests/unit/DeferredLayerUpdaterTests.cpp b/libs/hwui/tests/unit/DeferredLayerUpdaterTests.cpp
index 6c8775b..f29830f 100644
--- a/libs/hwui/tests/unit/DeferredLayerUpdaterTests.cpp
+++ b/libs/hwui/tests/unit/DeferredLayerUpdaterTests.cpp
@@ -15,13 +15,12 @@
  */
 
 #include "DeferredLayerUpdater.h"
+#include "GlLayer.h"
 #include "Properties.h"
 
 #include "tests/common/TestUtils.h"
 
 #include <gtest/gtest.h>
-#include <SkBitmap.h>
-#include <SkImage.h>
 
 using namespace android;
 using namespace android::uirenderer;
@@ -32,6 +31,10 @@
     layerUpdater->setBlend(true);
 
     // updates are deferred so the backing layer should still be in its default state
+    if (layerUpdater->backingLayer()->getApi() == Layer::Api::OpenGL) {
+        GlLayer* glLayer = static_cast<GlLayer*>(layerUpdater->backingLayer());
+        EXPECT_EQ((uint32_t)GL_NONE, glLayer->getRenderTarget());
+    }
     EXPECT_EQ(0u, layerUpdater->backingLayer()->getWidth());
     EXPECT_EQ(0u, layerUpdater->backingLayer()->getHeight());
     EXPECT_FALSE(layerUpdater->backingLayer()->getForceFilter());
@@ -39,13 +42,19 @@
     EXPECT_EQ(Matrix4::identity(), layerUpdater->backingLayer()->getTexTransform());
 
     // push the deferred updates to the layer
-    SkMatrix scaledMatrix = SkMatrix::MakeScale(0.5, 0.5);
-    SkBitmap bitmap;
-    bitmap.allocN32Pixels(16, 16);
-    sk_sp<SkImage> layerImage = SkImage::MakeFromBitmap(bitmap);
-    layerUpdater->updateLayer(true, scaledMatrix, HAL_DATASPACE_UNKNOWN, layerImage);
+    Matrix4 scaledMatrix;
+    scaledMatrix.loadScale(0.5, 0.5, 0.0);
+    layerUpdater->updateLayer(true, scaledMatrix.data, HAL_DATASPACE_UNKNOWN);
+    if (layerUpdater->backingLayer()->getApi() == Layer::Api::OpenGL) {
+        GlLayer* glLayer = static_cast<GlLayer*>(layerUpdater->backingLayer());
+        glLayer->setRenderTarget(GL_TEXTURE_EXTERNAL_OES);
+    }
 
     // the backing layer should now have all the properties applied.
+    if (layerUpdater->backingLayer()->getApi() == Layer::Api::OpenGL) {
+        GlLayer* glLayer = static_cast<GlLayer*>(layerUpdater->backingLayer());
+        EXPECT_EQ((uint32_t)GL_TEXTURE_EXTERNAL_OES, glLayer->getRenderTarget());
+    }
     EXPECT_EQ(100u, layerUpdater->backingLayer()->getWidth());
     EXPECT_EQ(100u, layerUpdater->backingLayer()->getHeight());
     EXPECT_TRUE(layerUpdater->backingLayer()->getForceFilter());
diff --git a/libs/hwui/tests/unit/main.cpp b/libs/hwui/tests/unit/main.cpp
index aecceb3..9e6d9a8 100644
--- a/libs/hwui/tests/unit/main.cpp
+++ b/libs/hwui/tests/unit/main.cpp
@@ -17,13 +17,12 @@
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 
+#include "Caches.h"
 #include "debug/GlesDriver.h"
 #include "debug/NullGlesDriver.h"
 #include "hwui/Typeface.h"
 #include "Properties.h"
 #include "tests/common/LeakChecker.h"
-#include "thread/TaskProcessor.h"
-#include "thread/Task.h"
 #include "thread/TaskManager.h"
 
 #include <signal.h>
diff --git a/libs/hwui/utils/PaintUtils.h b/libs/hwui/utils/PaintUtils.h
index ebf2343..f8e8a0a 100644
--- a/libs/hwui/utils/PaintUtils.h
+++ b/libs/hwui/utils/PaintUtils.h
@@ -16,7 +16,6 @@
 #ifndef PAINT_UTILS_H
 #define PAINT_UTILS_H
 
-#include <GLES2/gl2.h>
 #include <utils/Blur.h>
 
 #include <SkColorFilter.h>
diff --git a/native/android/Android.bp b/native/android/Android.bp
index 43847cc..4fb5e74 100644
--- a/native/android/Android.bp
+++ b/native/android/Android.bp
@@ -64,7 +64,6 @@
         "libsensor",
         "libandroid_runtime",
         "libnetd_client",
-        "libhwui",
     ],
 
     static_libs: [
diff --git a/native/android/surface_texture.cpp b/native/android/surface_texture.cpp
index ced2792..b266881 100644
--- a/native/android/surface_texture.cpp
+++ b/native/android/surface_texture.cpp
@@ -21,16 +21,15 @@
 
 #include <utils/Log.h>
 
+#include <gui/GLConsumer.h>
 #include <gui/Surface.h>
 
 #include <android_runtime/android_graphics_SurfaceTexture.h>
 
-#include "surfacetexture/SurfaceTexture.h"
-
 using namespace android;
 
 struct ASurfaceTexture {
-    sp<SurfaceTexture> consumer;
+    sp<GLConsumer> consumer;
     sp<IGraphicBufferProducer> producer;
 };