libs/hwui/renderthread/RenderProxy.cpp - platform/frameworks/base - Git at Google

 /*
  * 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 "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_BRIDGE5(name, a1, a2, a3, a4, a5) CREATE_BRIDGE(name, a1,a2,a3,a4,a5,,,)
 #define CREATE_BRIDGE6(name, a1, a2, a3, a4, a5, a6) CREATE_BRIDGE(name, a1,a2,a3,a4,a5,a6,,)
 #define CREATE_BRIDGE7(name, a1, a2, a3, a4, a5, a6, a7) CREATE_BRIDGE(name, a1,a2,a3,a4,a5,a6,a7,)
 #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 %zu is smaller than sizeof(" #method "Args) %zu", \
                 METHOD_INVOKE_PAYLOAD_SIZE, sizeof(ARGS(method))); \
     MethodInvokeRenderTask* task = new MethodInvokeRenderTask((RunnableMethod) Bridge_ ## method); \
     ARGS(method) *args = (ARGS(method) *) task->payload()

 CREATE_BRIDGE4(createContext, RenderThread* thread, bool translucent,
         RenderNode* rootRenderNode, IContextFactory* contextFactory) {
     return new CanvasContext(*args->thread, args->translucent,
             args->rootRenderNode, args->contextFactory);
 }

 RenderProxy::RenderProxy(bool translucent, RenderNode* rootRenderNode, IContextFactory* contextFactory)
         : mRenderThread(RenderThread::getInstance())
         , mContext(0) {
     SETUP_TASK(createContext);
     args->translucent = translucent;
     args->rootRenderNode = rootRenderNode;
     args->thread = &mRenderThread;
     args->contextFactory = contextFactory;
     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_BRIDGE1(loadSystemProperties, CanvasContext* context) {
     bool needsRedraw = false;
     if (Caches::hasInstance()) {
         needsRedraw = Caches::getInstance().initProperties();
     }
     if (args->context->profiler().loadSystemProperties()) {
         needsRedraw = true;
     }
     return (void*) needsRedraw;
 }

 bool RenderProxy::loadSystemProperties() {
     SETUP_TASK(loadSystemProperties);
     args->context = mContext;
     return (bool) postAndWait(task);
 }

 CREATE_BRIDGE2(initialize, CanvasContext* context, ANativeWindow* 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, ANativeWindow* 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, ANativeWindow* 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_BRIDGE7(setup, CanvasContext* context, int width, int height,
         Vector3 lightCenter, float lightRadius,
         uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha) {
     args->context->setup(args->width, args->height, args->lightCenter, args->lightRadius,
             args->ambientShadowAlpha, args->spotShadowAlpha);
     return NULL;
 }

 void RenderProxy::setup(int width, int height, const Vector3& lightCenter, float lightRadius,
         uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha) {
     SETUP_TASK(setup);
     args->context = mContext;
     args->width = width;
     args->height = height;
     args->lightCenter = lightCenter;
     args->lightRadius = lightRadius;
     args->ambientShadowAlpha = ambientShadowAlpha;
     args->spotShadowAlpha = spotShadowAlpha;
     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, nsecs_t recordDurationNanos,
         float density) {
     mDrawFrameTask.setDensity(density);
     return mDrawFrameTask.drawFrame(frameTimeNanos, recordDurationNanos);
 }

 CREATE_BRIDGE1(destroy, CanvasContext* context) {
     args->context->destroy();
     return NULL;
 }

 void RenderProxy::destroy() {
     SETUP_TASK(destroy);
     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, RenderThread* thread, Functor* functor) {
     CanvasContext::invokeFunctor(*args->thread, args->functor);
     return NULL;
 }

 void RenderProxy::invokeFunctor(Functor* functor, bool waitForCompletion) {
     ATRACE_CALL();
     RenderThread& thread = RenderThread::getInstance();
     SETUP_TASK(invokeFunctor);
     args->thread = &thread;
     args->functor = functor;
     if (waitForCompletion) {
         // waitForCompletion = true is expected to be fairly rare and only
         // happen in destruction. Thus it should be fine to temporarily
         // create a Mutex
         Mutex mutex;
         Condition condition;
         SignalingRenderTask syncTask(task, &mutex, &condition);
         AutoMutex _lock(mutex);
         thread.queue(&syncTask);
         condition.wait(mutex);
     } else {
         thread.queue(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_BRIDGE1(destroyLayer, Layer* layer) {
     LayerRenderer::destroyLayer(args->layer);
     return NULL;
 }

 void RenderProxy::enqueueDestroyLayer(Layer* layer) {
     SETUP_TASK(destroyLayer);
     args->layer = layer;
     RenderThread::getInstance().queue(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, RenderProxy::enqueueDestroyLayer);
 }

 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);
     return layer;
 }

 CREATE_BRIDGE1(createTextureLayer, CanvasContext* context) {
     Layer* layer = args->context->createTextureLayer();
     if (!layer) return 0;
     return new DeferredLayerUpdater(layer, RenderProxy::enqueueDestroyLayer);
 }

 DeferredLayerUpdater* RenderProxy::createTextureLayer() {
     SETUP_TASK(createTextureLayer);
     args->context = mContext;
     void* retval = postAndWait(task);
     DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(retval);
     return layer;
 }

 CREATE_BRIDGE2(buildLayer, CanvasContext* context, RenderNode* node) {
     args->context->buildLayer(args->node);
     return NULL;
 }

 void RenderProxy::buildLayer(RenderNode* node) {
     SETUP_TASK(buildLayer);
     args->context = mContext;
     args->node = node;
     postAndWait(task);
 }

 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::pushLayerUpdate(DeferredLayerUpdater* layer) {
     mDrawFrameTask.pushLayerUpdate(layer);
 }

 void RenderProxy::cancelLayerUpdate(DeferredLayerUpdater* layer) {
     mDrawFrameTask.removeLayerUpdate(layer);
 }

 CREATE_BRIDGE1(detachSurfaceTexture, DeferredLayerUpdater* layer) {
     args->layer->detachSurfaceTexture();
     return NULL;
 }

 void RenderProxy::detachSurfaceTexture(DeferredLayerUpdater* layer) {
     SETUP_TASK(detachSurfaceTexture);
     args->layer = layer;
     postAndWait(task);
 }

 CREATE_BRIDGE1(destroyHardwareResources, CanvasContext* context) {
     args->context->destroyHardwareResources();
     return NULL;
 }

 void RenderProxy::destroyHardwareResources() {
     SETUP_TASK(destroyHardwareResources);
     args->context = mContext;
     post(task);
 }

 CREATE_BRIDGE2(timMemory, RenderThread* thread, int level) {
     CanvasContext::trimMemory(*args->thread, args->level);
     return NULL;
 }

 void RenderProxy::trimMemory(int level) {
     // Avoid creating a RenderThread to do a trimMemory.
     if (RenderThread::hasInstance()) {
         RenderThread& thread = RenderThread::getInstance();
         SETUP_TASK(timMemory);
         args->thread = &thread;
         args->level = level;
         thread.queue(task);
     }
 }

 CREATE_BRIDGE0(fence) {
     // Intentionally empty
     return NULL;
 }

 void RenderProxy::fence() {
     SETUP_TASK(fence);
     postAndWait(task);
 }

 CREATE_BRIDGE1(stopDrawing, CanvasContext* context) {
     args->context->stopDrawing();
     return NULL;
 }

 void RenderProxy::stopDrawing() {
     SETUP_TASK(stopDrawing);
     args->context = mContext;
     postAndWait(task);
 }

 CREATE_BRIDGE1(notifyFramePending, CanvasContext* context) {
     args->context->notifyFramePending();
     return NULL;
 }

 void RenderProxy::notifyFramePending() {
     SETUP_TASK(notifyFramePending);
     args->context = mContext;
     mRenderThread.queueAtFront(task);
 }

 CREATE_BRIDGE2(dumpProfileInfo, CanvasContext* context, int fd) {
     args->context->profiler().dumpData(args->fd);
     return NULL;
 }

 void RenderProxy::dumpProfileInfo(int fd) {
     SETUP_TASK(dumpProfileInfo);
     args->context = mContext;
     args->fd = fd;
     postAndWait(task);
 }

 CREATE_BRIDGE4(setTextureAtlas, RenderThread* thread, GraphicBuffer* buffer, int64_t* map, size_t size) {
     CanvasContext::setTextureAtlas(*args->thread, args->buffer, args->map, args->size);
     args->buffer->decStrong(0);
     return NULL;
 }

 void RenderProxy::setTextureAtlas(const sp<GraphicBuffer>& buffer, int64_t* map, size_t size) {
     SETUP_TASK(setTextureAtlas);
     args->thread = &mRenderThread;
     args->buffer = buffer.get();
     args->buffer->incStrong(0);
     args->map = map;
     args->size = size;
     post(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 */
	/*
	* 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 "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_BRIDGE5(name, a1, a2, a3, a4, a5) CREATE_BRIDGE(name, a1,a2,a3,a4,a5,,,)
	#define CREATE_BRIDGE6(name, a1, a2, a3, a4, a5, a6) CREATE_BRIDGE(name, a1,a2,a3,a4,a5,a6,,)
	#define CREATE_BRIDGE7(name, a1, a2, a3, a4, a5, a6, a7) CREATE_BRIDGE(name, a1,a2,a3,a4,a5,a6,a7,)
	#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 %zu is smaller than sizeof(" #method "Args) %zu", \
	METHOD_INVOKE_PAYLOAD_SIZE, sizeof(ARGS(method))); \
	MethodInvokeRenderTask* task = new MethodInvokeRenderTask((RunnableMethod) Bridge_ ## method); \
	ARGS(method) args = (ARGS(method) ) task->payload()

	CREATE_BRIDGE4(createContext, RenderThread* thread, bool translucent,
	RenderNode* rootRenderNode, IContextFactory* contextFactory) {
	return new CanvasContext(*args->thread, args->translucent,
	args->rootRenderNode, args->contextFactory);
	}

	RenderProxy::RenderProxy(bool translucent, RenderNode* rootRenderNode, IContextFactory* contextFactory)
	: mRenderThread(RenderThread::getInstance())
	, mContext(0) {
	SETUP_TASK(createContext);
	args->translucent = translucent;
	args->rootRenderNode = rootRenderNode;
	args->thread = &mRenderThread;
	args->contextFactory = contextFactory;
	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_BRIDGE1(loadSystemProperties, CanvasContext* context) {
	bool needsRedraw = false;
	if (Caches::hasInstance()) {
	needsRedraw = Caches::getInstance().initProperties();
	}
	if (args->context->profiler().loadSystemProperties()) {
	needsRedraw = true;
	}
	return (void*) needsRedraw;
	}

	bool RenderProxy::loadSystemProperties() {
	SETUP_TASK(loadSystemProperties);
	args->context = mContext;
	return (bool) postAndWait(task);
	}

	CREATE_BRIDGE2(initialize, CanvasContext* context, ANativeWindow* 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, ANativeWindow* 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, ANativeWindow* 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_BRIDGE7(setup, CanvasContext* context, int width, int height,
	Vector3 lightCenter, float lightRadius,
	uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha) {
	args->context->setup(args->width, args->height, args->lightCenter, args->lightRadius,
	args->ambientShadowAlpha, args->spotShadowAlpha);
	return NULL;
	}

	void RenderProxy::setup(int width, int height, const Vector3& lightCenter, float lightRadius,
	uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha) {
	SETUP_TASK(setup);
	args->context = mContext;
	args->width = width;
	args->height = height;
	args->lightCenter = lightCenter;
	args->lightRadius = lightRadius;
	args->ambientShadowAlpha = ambientShadowAlpha;
	args->spotShadowAlpha = spotShadowAlpha;
	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, nsecs_t recordDurationNanos,
	float density) {
	mDrawFrameTask.setDensity(density);
	return mDrawFrameTask.drawFrame(frameTimeNanos, recordDurationNanos);
	}

	CREATE_BRIDGE1(destroy, CanvasContext* context) {
	args->context->destroy();
	return NULL;
	}

	void RenderProxy::destroy() {
	SETUP_TASK(destroy);
	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, RenderThread* thread, Functor* functor) {
	CanvasContext::invokeFunctor(*args->thread, args->functor);
	return NULL;
	}

	void RenderProxy::invokeFunctor(Functor* functor, bool waitForCompletion) {
	ATRACE_CALL();
	RenderThread& thread = RenderThread::getInstance();
	SETUP_TASK(invokeFunctor);
	args->thread = &thread;
	args->functor = functor;
	if (waitForCompletion) {
	// waitForCompletion = true is expected to be fairly rare and only
	// happen in destruction. Thus it should be fine to temporarily
	// create a Mutex
	Mutex mutex;
	Condition condition;
	SignalingRenderTask syncTask(task, &mutex, &condition);
	AutoMutex _lock(mutex);
	thread.queue(&syncTask);
	condition.wait(mutex);
	} else {
	thread.queue(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_BRIDGE1(destroyLayer, Layer* layer) {
	LayerRenderer::destroyLayer(args->layer);
	return NULL;
	}

	void RenderProxy::enqueueDestroyLayer(Layer* layer) {
	SETUP_TASK(destroyLayer);
	args->layer = layer;
	RenderThread::getInstance().queue(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, RenderProxy::enqueueDestroyLayer);
	}

	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);
	return layer;
	}

	CREATE_BRIDGE1(createTextureLayer, CanvasContext* context) {
	Layer* layer = args->context->createTextureLayer();
	if (!layer) return 0;
	return new DeferredLayerUpdater(layer, RenderProxy::enqueueDestroyLayer);
	}

	DeferredLayerUpdater* RenderProxy::createTextureLayer() {
	SETUP_TASK(createTextureLayer);
	args->context = mContext;
	void* retval = postAndWait(task);
	DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(retval);
	return layer;
	}

	CREATE_BRIDGE2(buildLayer, CanvasContext* context, RenderNode* node) {
	args->context->buildLayer(args->node);
	return NULL;
	}

	void RenderProxy::buildLayer(RenderNode* node) {
	SETUP_TASK(buildLayer);
	args->context = mContext;
	args->node = node;
	postAndWait(task);
	}

	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::pushLayerUpdate(DeferredLayerUpdater* layer) {
	mDrawFrameTask.pushLayerUpdate(layer);
	}

	void RenderProxy::cancelLayerUpdate(DeferredLayerUpdater* layer) {
	mDrawFrameTask.removeLayerUpdate(layer);
	}

	CREATE_BRIDGE1(detachSurfaceTexture, DeferredLayerUpdater* layer) {
	args->layer->detachSurfaceTexture();
	return NULL;
	}

	void RenderProxy::detachSurfaceTexture(DeferredLayerUpdater* layer) {
	SETUP_TASK(detachSurfaceTexture);
	args->layer = layer;
	postAndWait(task);
	}

	CREATE_BRIDGE1(destroyHardwareResources, CanvasContext* context) {
	args->context->destroyHardwareResources();
	return NULL;
	}

	void RenderProxy::destroyHardwareResources() {
	SETUP_TASK(destroyHardwareResources);
	args->context = mContext;
	post(task);
	}

	CREATE_BRIDGE2(timMemory, RenderThread* thread, int level) {
	CanvasContext::trimMemory(*args->thread, args->level);
	return NULL;
	}

	void RenderProxy::trimMemory(int level) {
	// Avoid creating a RenderThread to do a trimMemory.
	if (RenderThread::hasInstance()) {
	RenderThread& thread = RenderThread::getInstance();
	SETUP_TASK(timMemory);
	args->thread = &thread;
	args->level = level;
	thread.queue(task);
	}
	}

	CREATE_BRIDGE0(fence) {
	// Intentionally empty
	return NULL;
	}

	void RenderProxy::fence() {
	SETUP_TASK(fence);
	postAndWait(task);
	}

	CREATE_BRIDGE1(stopDrawing, CanvasContext* context) {
	args->context->stopDrawing();
	return NULL;
	}

	void RenderProxy::stopDrawing() {
	SETUP_TASK(stopDrawing);
	args->context = mContext;
	postAndWait(task);
	}

	CREATE_BRIDGE1(notifyFramePending, CanvasContext* context) {
	args->context->notifyFramePending();
	return NULL;
	}

	void RenderProxy::notifyFramePending() {
	SETUP_TASK(notifyFramePending);
	args->context = mContext;
	mRenderThread.queueAtFront(task);
	}

	CREATE_BRIDGE2(dumpProfileInfo, CanvasContext* context, int fd) {
	args->context->profiler().dumpData(args->fd);
	return NULL;
	}

	void RenderProxy::dumpProfileInfo(int fd) {
	SETUP_TASK(dumpProfileInfo);
	args->context = mContext;
	args->fd = fd;
	postAndWait(task);
	}

	CREATE_BRIDGE4(setTextureAtlas, RenderThread* thread, GraphicBuffer* buffer, int64_t* map, size_t size) {
	CanvasContext::setTextureAtlas(*args->thread, args->buffer, args->map, args->size);
	args->buffer->decStrong(0);
	return NULL;
	}

	void RenderProxy::setTextureAtlas(const sp<GraphicBuffer>& buffer, int64_t* map, size_t size) {
	SETUP_TASK(setTextureAtlas);
	args->thread = &mRenderThread;
	args->buffer = buffer.get();
	args->buffer->incStrong(0);
	args->map = map;
	args->size = size;
	post(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 */