1 files changed, 307 insertions, 0 deletions
diff --git a/libs/hwui/renderthread/RenderProxy.cpp b/libs/hwui/renderthread/RenderProxy.cpp
new file mode 100644
index 0000000..82a2dbc
--- /dev/null
+++ b/libs/hwui/renderthread/RenderProxy.cpp
@@ -0,0 +1,307 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "RenderProxy"
+
+#include "RenderProxy.h"
+
+#include "CanvasContext.h"
+#include "RenderTask.h"
+#include "RenderThread.h"
+
+#include "../DeferredLayerUpdater.h"
+#include "../DisplayList.h"
+#include "../LayerRenderer.h"
+#include "../Rect.h"
+
+namespace android {
+namespace uirenderer {
+namespace renderthread {
+
+#define ARGS(method) method ## Args
+
+#define CREATE_BRIDGE0(name) CREATE_BRIDGE(name,,,,,,,,)
+#define CREATE_BRIDGE1(name, a1) CREATE_BRIDGE(name, a1,,,,,,,)
+#define CREATE_BRIDGE2(name, a1, a2) CREATE_BRIDGE(name, a1,a2,,,,,,)
+#define CREATE_BRIDGE3(name, a1, a2, a3) CREATE_BRIDGE(name, a1,a2,a3,,,,,)
+#define CREATE_BRIDGE4(name, a1, a2, a3, a4) CREATE_BRIDGE(name, a1,a2,a3,a4,,,,)
+#define CREATE_BRIDGE(name, a1, a2, a3, a4, a5, a6, a7, a8) \
+    typedef struct { \
+        a1; a2; a3; a4; a5; a6; a7; a8; \
+    } ARGS(name); \
+    static void* Bridge_ ## name(ARGS(name)* args)
+
+#define SETUP_TASK(method) \
+    LOG_ALWAYS_FATAL_IF( METHOD_INVOKE_PAYLOAD_SIZE < sizeof(ARGS(method)), \
+        "METHOD_INVOKE_PAYLOAD_SIZE %d is smaller than sizeof(" #method "Args) %d", \
+                METHOD_INVOKE_PAYLOAD_SIZE, sizeof(ARGS(method))); \
+    MethodInvokeRenderTask* task = new MethodInvokeRenderTask((RunnableMethod) Bridge_ ## method); \
+    ARGS(method) *args = (ARGS(method) *) task->payload()
+
+CREATE_BRIDGE2(createContext, bool translucent, RenderNode* rootRenderNode) {
+    return new CanvasContext(args->translucent, args->rootRenderNode);
+}
+
+RenderProxy::RenderProxy(bool translucent, RenderNode* rootRenderNode)
+        : mRenderThread(RenderThread::getInstance())
+        , mContext(0) {
+    SETUP_TASK(createContext);
+    args->translucent = translucent;
+    args->rootRenderNode = rootRenderNode;
+    mContext = (CanvasContext*) postAndWait(task);
+    mDrawFrameTask.setContext(&mRenderThread, mContext);
+}
+
+RenderProxy::~RenderProxy() {
+    destroyContext();
+}
+
+CREATE_BRIDGE1(destroyContext, CanvasContext* context) {
+    delete args->context;
+    return NULL;
+}
+
+void RenderProxy::destroyContext() {
+    if (mContext) {
+        SETUP_TASK(destroyContext);
+        args->context = mContext;
+        mContext = 0;
+        mDrawFrameTask.setContext(NULL, NULL);
+        // This is also a fence as we need to be certain that there are no
+        // outstanding mDrawFrame tasks posted before it is destroyed
+        postAndWait(task);
+    }
+}
+
+CREATE_BRIDGE2(setFrameInterval, RenderThread* thread, nsecs_t frameIntervalNanos) {
+    args->thread->timeLord().setFrameInterval(args->frameIntervalNanos);
+    return NULL;
+}
+
+void RenderProxy::setFrameInterval(nsecs_t frameIntervalNanos) {
+    SETUP_TASK(setFrameInterval);
+    args->thread = &mRenderThread;
+    args->frameIntervalNanos = frameIntervalNanos;
+    post(task);
+}
+
+CREATE_BRIDGE0(loadSystemProperties) {
+    bool needsRedraw = false;
+    if (Caches::hasInstance()) {
+        needsRedraw = Caches::getInstance().initProperties();
+    }
+    return (void*) needsRedraw;
+}
+
+bool RenderProxy::loadSystemProperties() {
+    SETUP_TASK(loadSystemProperties);
+    return (bool) postAndWait(task);
+}
+
+CREATE_BRIDGE2(initialize, CanvasContext* context, EGLNativeWindowType window) {
+    return (void*) args->context->initialize(args->window);
+}
+
+bool RenderProxy::initialize(const sp<ANativeWindow>& window) {
+    SETUP_TASK(initialize);
+    args->context = mContext;
+    args->window = window.get();
+    return (bool) postAndWait(task);
+}
+
+CREATE_BRIDGE2(updateSurface, CanvasContext* context, EGLNativeWindowType window) {
+    args->context->updateSurface(args->window);
+    return NULL;
+}
+
+void RenderProxy::updateSurface(const sp<ANativeWindow>& window) {
+    SETUP_TASK(updateSurface);
+    args->context = mContext;
+    args->window = window.get();
+    postAndWait(task);
+}
+
+CREATE_BRIDGE2(pauseSurface, CanvasContext* context, EGLNativeWindowType window) {
+    args->context->pauseSurface(args->window);
+    return NULL;
+}
+
+void RenderProxy::pauseSurface(const sp<ANativeWindow>& window) {
+    SETUP_TASK(pauseSurface);
+    args->context = mContext;
+    args->window = window.get();
+    postAndWait(task);
+}
+
+CREATE_BRIDGE3(setup, CanvasContext* context, int width, int height) {
+    args->context->setup(args->width, args->height);
+    return NULL;
+}
+
+void RenderProxy::setup(int width, int height) {
+    SETUP_TASK(setup);
+    args->context = mContext;
+    args->width = width;
+    args->height = height;
+    post(task);
+}
+
+CREATE_BRIDGE2(setOpaque, CanvasContext* context, bool opaque) {
+    args->context->setOpaque(args->opaque);
+    return NULL;
+}
+
+void RenderProxy::setOpaque(bool opaque) {
+    SETUP_TASK(setOpaque);
+    args->context = mContext;
+    args->opaque = opaque;
+    post(task);
+}
+
+int RenderProxy::syncAndDrawFrame(nsecs_t frameTimeNanos,
+        int dirtyLeft, int dirtyTop, int dirtyRight, int dirtyBottom) {
+    mDrawFrameTask.setDirty(dirtyLeft, dirtyTop, dirtyRight, dirtyBottom);
+    return mDrawFrameTask.drawFrame(frameTimeNanos);
+}
+
+CREATE_BRIDGE1(destroyCanvasAndSurface, CanvasContext* context) {
+    args->context->destroyCanvasAndSurface();
+    return NULL;
+}
+
+void RenderProxy::destroyCanvasAndSurface() {
+    SETUP_TASK(destroyCanvasAndSurface);
+    args->context = mContext;
+    // destroyCanvasAndSurface() needs a fence as when it returns the
+    // underlying BufferQueue is going to be released from under
+    // the render thread.
+    postAndWait(task);
+}
+
+CREATE_BRIDGE2(invokeFunctor, CanvasContext* context, Functor* functor) {
+    args->context->invokeFunctor(args->functor);
+    return NULL;
+}
+
+void RenderProxy::invokeFunctor(Functor* functor, bool waitForCompletion) {
+    ATRACE_CALL();
+    SETUP_TASK(invokeFunctor);
+    args->context = mContext;
+    args->functor = functor;
+    if (waitForCompletion) {
+        postAndWait(task);
+    } else {
+        post(task);
+    }
+}
+
+CREATE_BRIDGE2(runWithGlContext, CanvasContext* context, RenderTask* task) {
+    args->context->runWithGlContext(args->task);
+    return NULL;
+}
+
+void RenderProxy::runWithGlContext(RenderTask* gltask) {
+    SETUP_TASK(runWithGlContext);
+    args->context = mContext;
+    args->task = gltask;
+    postAndWait(task);
+}
+
+CREATE_BRIDGE3(createDisplayListLayer, CanvasContext* context, int width, int height) {
+    Layer* layer = args->context->createRenderLayer(args->width, args->height);
+    if (!layer) return 0;
+    return new DeferredLayerUpdater(layer);
+}
+
+DeferredLayerUpdater* RenderProxy::createDisplayListLayer(int width, int height) {
+    SETUP_TASK(createDisplayListLayer);
+    args->width = width;
+    args->height = height;
+    args->context = mContext;
+    void* retval = postAndWait(task);
+    DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(retval);
+    mDrawFrameTask.addLayer(layer);
+    return layer;
+}
+
+CREATE_BRIDGE1(createTextureLayer, CanvasContext* context) {
+    Layer* layer = args->context->createTextureLayer();
+    if (!layer) return 0;
+    return new DeferredLayerUpdater(layer);
+}
+
+DeferredLayerUpdater* RenderProxy::createTextureLayer() {
+    SETUP_TASK(createTextureLayer);
+    args->context = mContext;
+    void* retval = postAndWait(task);
+    DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(retval);
+    mDrawFrameTask.addLayer(layer);
+    return layer;
+}
+
+CREATE_BRIDGE1(destroyLayer, Layer* layer) {
+    LayerRenderer::destroyLayer(args->layer);
+    return NULL;
+}
+
+CREATE_BRIDGE3(copyLayerInto, CanvasContext* context, DeferredLayerUpdater* layer,
+        SkBitmap* bitmap) {
+    bool success = args->context->copyLayerInto(args->layer, args->bitmap);
+    return (void*) success;
+}
+
+bool RenderProxy::copyLayerInto(DeferredLayerUpdater* layer, SkBitmap* bitmap) {
+    SETUP_TASK(copyLayerInto);
+    args->context = mContext;
+    args->layer = layer;
+    args->bitmap = bitmap;
+    return (bool) postAndWait(task);
+}
+
+void RenderProxy::destroyLayer(DeferredLayerUpdater* layer) {
+    mDrawFrameTask.removeLayer(layer);
+    SETUP_TASK(destroyLayer);
+    args->layer = layer->detachBackingLayer();
+    post(task);
+}
+
+CREATE_BRIDGE0(fence) {
+    // Intentionally empty
+    return NULL;
+}
+
+void RenderProxy::fence() {
+    SETUP_TASK(fence);
+    postAndWait(task);
+}
+
+void RenderProxy::post(RenderTask* task) {
+    mRenderThread.queue(task);
+}
+
+void* RenderProxy::postAndWait(MethodInvokeRenderTask* task) {
+    void* retval;
+    task->setReturnPtr(&retval);
+    SignalingRenderTask syncTask(task, &mSyncMutex, &mSyncCondition);
+    AutoMutex _lock(mSyncMutex);
+    mRenderThread.queue(&syncTask);
+    mSyncCondition.wait(mSyncMutex);
+    return retval;
+}
+
+} /* namespace renderthread */
+} /* namespace uirenderer */
+} /* namespace android */