libs/hwui/renderthread/RenderProxy.cpp - platform/frameworks/base - Gitiles

 /*
  * 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_BRIDGE3(setDisplayListData, CanvasContext* context, DisplayList* displayList,
         DisplayListData* newData) {
     args->context->setDisplayListData(args->displayList, args->newData);
     return NULL;
 }

 void RenderProxy::setDisplayListData(DisplayList* displayList, DisplayListData* newData) {
     SETUP_TASK(setDisplayListData);
     args->context = mContext;
     args->displayList = displayList;
     args->newData = newData;
     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 */
	/*
	* 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_BRIDGE3(setDisplayListData, CanvasContext* context, DisplayList* displayList,
	DisplayListData* newData) {
	args->context->setDisplayListData(args->displayList, args->newData);
	return NULL;
	}

	void RenderProxy::setDisplayListData(DisplayList* displayList, DisplayListData* newData) {
	SETUP_TASK(setDisplayListData);
	args->context = mContext;
	args->displayList = displayList;
	args->newData = newData;
	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 */