| /* |
| * 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 = createTask((RunnableMethod) Bridge_ ## method); \ |
| ARGS(method) *args = (ARGS(method) *) task->payload() |
| |
| CREATE_BRIDGE1(createContext, bool translucent) { |
| return new CanvasContext(args->translucent); |
| } |
| |
| RenderProxy::RenderProxy(bool translucent) |
| : mRenderThread(RenderThread::getInstance()) |
| , mContext(0) { |
| SETUP_TASK(createContext); |
| args->translucent = translucent; |
| mContext = (CanvasContext*) postAndWait(task); |
| } |
| |
| 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; |
| post(task); |
| } |
| } |
| |
| CREATE_BRIDGE2(initialize, CanvasContext* context, EGLNativeWindowType window) { |
| return (void*) args->context->initialize(args->window); |
| } |
| |
| bool RenderProxy::initialize(EGLNativeWindowType window) { |
| SETUP_TASK(initialize); |
| args->context = mContext; |
| args->window = window; |
| return (bool) postAndWait(task); |
| } |
| |
| CREATE_BRIDGE2(updateSurface, CanvasContext* context, EGLNativeWindowType window) { |
| args->context->updateSurface(args->window); |
| return NULL; |
| } |
| |
| void RenderProxy::updateSurface(EGLNativeWindowType window) { |
| SETUP_TASK(updateSurface); |
| args->context = mContext; |
| args->window = window; |
| post(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_BRIDGE4(drawDisplayList, CanvasContext* context, DisplayList* displayList, |
| Rect dirty, const Vector<DeferredLayerUpdater*>* layerUpdates) { |
| Rect* dirty = &args->dirty; |
| if (dirty->bottom == -1 && dirty->left == -1 && |
| dirty->top == -1 && dirty->right == -1) { |
| dirty = 0; |
| } |
| args->context->processLayerUpdates(args->layerUpdates); |
| args->context->drawDisplayList(args->displayList, dirty); |
| return NULL; |
| } |
| |
| void RenderProxy::drawDisplayList(DisplayList* displayList, |
| int dirtyLeft, int dirtyTop, int dirtyRight, int dirtyBottom) { |
| SETUP_TASK(drawDisplayList); |
| args->context = mContext; |
| args->displayList = displayList; |
| args->dirty.set(dirtyLeft, dirtyTop, dirtyRight, dirtyBottom); |
| args->layerUpdates = &mLayers; |
| // TODO: Switch to post() once some form of thread safety strategy is in place |
| postAndWait(task); |
| } |
| |
| CREATE_BRIDGE1(destroyCanvas, CanvasContext* context) { |
| args->context->destroyCanvas(); |
| return NULL; |
| } |
| |
| void RenderProxy::destroyCanvas() { |
| SETUP_TASK(destroyCanvas); |
| args->context = mContext; |
| post(task); |
| } |
| |
| CREATE_BRIDGE2(attachFunctor, CanvasContext* context, Functor* functor) { |
| args->context->attachFunctor(args->functor); |
| return NULL; |
| } |
| |
| void RenderProxy::attachFunctor(Functor* functor) { |
| SETUP_TASK(attachFunctor); |
| args->context = mContext; |
| args->functor = functor; |
| post(task); |
| } |
| |
| CREATE_BRIDGE2(detachFunctor, CanvasContext* context, Functor* functor) { |
| args->context->detachFunctor(args->functor); |
| return NULL; |
| } |
| |
| void RenderProxy::detachFunctor(Functor* functor) { |
| SETUP_TASK(detachFunctor); |
| args->context = mContext; |
| args->functor = functor; |
| 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_BRIDGE2(createDisplayListLayer, int width, int height) { |
| Layer* layer = LayerRenderer::createRenderLayer(args->width, args->height); |
| if (!layer) return 0; |
| |
| OpenGLRenderer* renderer = new LayerRenderer(layer); |
| renderer->initProperties(); |
| return new DeferredLayerUpdater(layer, renderer); |
| } |
| |
| DeferredLayerUpdater* RenderProxy::createDisplayListLayer(int width, int height) { |
| SETUP_TASK(createDisplayListLayer); |
| args->width = width; |
| args->height = height; |
| void* retval = postAndWait(task); |
| DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(retval); |
| mLayers.push(layer); |
| return layer; |
| } |
| |
| CREATE_BRIDGE0(createTextureLayer) { |
| Layer* layer = LayerRenderer::createTextureLayer(); |
| if (!layer) return 0; |
| return new DeferredLayerUpdater(layer); |
| } |
| |
| DeferredLayerUpdater* RenderProxy::createTextureLayer() { |
| SETUP_TASK(createTextureLayer); |
| void* retval = postAndWait(task); |
| DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(retval); |
| mLayers.push(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) { |
| for (size_t i = 0; i < mLayers.size(); i++) { |
| if (mLayers[i] == layer) { |
| mLayers.removeAt(i); |
| break; |
| } |
| } |
| SETUP_TASK(destroyLayer); |
| args->layer = layer->detachBackingLayer(); |
| post(task); |
| } |
| |
| MethodInvokeRenderTask* RenderProxy::createTask(RunnableMethod method) { |
| // TODO: Consider having a small pool of these to avoid alloc churn |
| return new MethodInvokeRenderTask(method); |
| } |
| |
| 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 */ |