android_view_ThreadedRenderer.cpp revision c294d128d03bc9a9982b273a82516c04583438cc 
1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#define LOG_TAG "ThreadedRenderer"
18
19#include <algorithm>
20
21#include "jni.h"
22#include <nativehelper/JNIHelp.h>
23#include "core_jni_helpers.h"
24#include <GraphicsJNI.h>
25#include <ScopedPrimitiveArray.h>
26
27#include <EGL/egl.h>
28#include <EGL/eglext.h>
29#include <EGL/egl_cache.h>
30
31#include <utils/StrongPointer.h>
32#include <android_runtime/android_view_Surface.h>
33#include <system/window.h>
34
35#include "android_view_GraphicBuffer.h"
36
37#include <Animator.h>
38#include <AnimationContext.h>
39#include <IContextFactory.h>
40#include <JankTracker.h>
41#include <RenderNode.h>
42#include <renderthread/CanvasContext.h>
43#include <renderthread/RenderProxy.h>
44#include <renderthread/RenderTask.h>
45#include <renderthread/RenderThread.h>
46#include <Vector.h>
47
48namespace android {
49
50using namespace android::uirenderer;
51using namespace android::uirenderer::renderthread;
52
53static JNIEnv* getenv(JavaVM* vm) {
54    JNIEnv* env;
55    if (vm->GetEnv(reinterpret_cast<void**>(&env), JNI_VERSION_1_6) != JNI_OK) {
56        LOG_ALWAYS_FATAL("Failed to get JNIEnv for JavaVM: %p", vm);
57    }
58    return env;
59}
60
61class OnFinishedEvent {
62public:
63    OnFinishedEvent(BaseRenderNodeAnimator* animator, AnimationListener* listener)
64            : animator(animator), listener(listener) {}
65    sp<BaseRenderNodeAnimator> animator;
66    sp<AnimationListener> listener;
67};
68
69class InvokeAnimationListeners : public MessageHandler {
70public:
71    InvokeAnimationListeners(std::vector<OnFinishedEvent>& events) {
72        mOnFinishedEvents.swap(events);
73    }
74
75    static void callOnFinished(OnFinishedEvent& event) {
76        event.listener->onAnimationFinished(event.animator.get());
77    }
78
79    virtual void handleMessage(const Message& message) {
80        std::for_each(mOnFinishedEvents.begin(), mOnFinishedEvents.end(), callOnFinished);
81        mOnFinishedEvents.clear();
82    }
83
84private:
85    std::vector<OnFinishedEvent> mOnFinishedEvents;
86};
87
88class RenderingException : public MessageHandler {
89public:
90    RenderingException(JavaVM* vm, const std::string& message)
91            : mVm(vm)
92            , mMessage(message) {
93    }
94
95    virtual void handleMessage(const Message&) {
96        throwException(mVm, mMessage);
97    }
98
99    static void throwException(JavaVM* vm, const std::string& message) {
100        JNIEnv* env = getenv(vm);
101        jniThrowException(env, "java/lang/IllegalStateException", message.c_str());
102    }
103
104private:
105    JavaVM* mVm;
106    std::string mMessage;
107};
108
109class RootRenderNode : public RenderNode, ErrorHandler {
110public:
111    RootRenderNode(JNIEnv* env) : RenderNode() {
112        mLooper = Looper::getForThread();
113        LOG_ALWAYS_FATAL_IF(!mLooper.get(),
114                "Must create RootRenderNode on a thread with a looper!");
115        env->GetJavaVM(&mVm);
116    }
117
118    virtual ~RootRenderNode() {}
119
120    virtual void onError(const std::string& message) {
121        mLooper->sendMessage(new RenderingException(mVm, message), 0);
122    }
123
124    virtual void prepareTree(TreeInfo& info) {
125        info.errorHandler = this;
126        RenderNode::prepareTree(info);
127        info.errorHandler = NULL;
128    }
129
130    void sendMessage(const sp<MessageHandler>& handler) {
131        mLooper->sendMessage(handler, 0);
132    }
133
134    void attachAnimatingNode(RenderNode* animatingNode) {
135        mPendingAnimatingRenderNodes.push_back(animatingNode);
136    }
137
138    void doAttachAnimatingNodes(AnimationContext* context) {
139        for (size_t i = 0; i < mPendingAnimatingRenderNodes.size(); i++) {
140            RenderNode* node = mPendingAnimatingRenderNodes[i].get();
141            context->addAnimatingRenderNode(*node);
142        }
143        mPendingAnimatingRenderNodes.clear();
144    }
145
146private:
147    sp<Looper> mLooper;
148    JavaVM* mVm;
149    std::vector< sp<RenderNode> > mPendingAnimatingRenderNodes;
150};
151
152class AnimationContextBridge : public AnimationContext {
153public:
154    AnimationContextBridge(renderthread::TimeLord& clock, RootRenderNode* rootNode)
155            : AnimationContext(clock), mRootNode(rootNode) {
156    }
157
158    virtual ~AnimationContextBridge() {}
159
160    // Marks the start of a frame, which will update the frame time and move all
161    // next frame animations into the current frame
162    virtual void startFrame(TreeInfo::TraversalMode mode) {
163        if (mode == TreeInfo::MODE_FULL) {
164            mRootNode->doAttachAnimatingNodes(this);
165        }
166        AnimationContext::startFrame(mode);
167    }
168
169    // Runs any animations still left in mCurrentFrameAnimations
170    virtual void runRemainingAnimations(TreeInfo& info) {
171        AnimationContext::runRemainingAnimations(info);
172        postOnFinishedEvents();
173    }
174
175    virtual void callOnFinished(BaseRenderNodeAnimator* animator, AnimationListener* listener) {
176        OnFinishedEvent event(animator, listener);
177        mOnFinishedEvents.push_back(event);
178    }
179
180    virtual void destroy() {
181        AnimationContext::destroy();
182        postOnFinishedEvents();
183    }
184
185private:
186    sp<RootRenderNode> mRootNode;
187    std::vector<OnFinishedEvent> mOnFinishedEvents;
188
189    void postOnFinishedEvents() {
190        if (mOnFinishedEvents.size()) {
191            sp<InvokeAnimationListeners> message
192                    = new InvokeAnimationListeners(mOnFinishedEvents);
193            mRootNode->sendMessage(message);
194        }
195    }
196};
197
198class ContextFactoryImpl : public IContextFactory {
199public:
200    ContextFactoryImpl(RootRenderNode* rootNode) : mRootNode(rootNode) {}
201
202    virtual AnimationContext* createAnimationContext(renderthread::TimeLord& clock) {
203        return new AnimationContextBridge(clock, mRootNode);
204    }
205
206private:
207    RootRenderNode* mRootNode;
208};
209
210static void android_view_ThreadedRenderer_setAtlas(JNIEnv* env, jobject clazz,
211        jlong proxyPtr, jobject graphicBuffer, jlongArray atlasMapArray) {
212    sp<GraphicBuffer> buffer = graphicBufferForJavaObject(env, graphicBuffer);
213    jsize len = env->GetArrayLength(atlasMapArray);
214    if (len <= 0) {
215        ALOGW("Failed to initialize atlas, invalid map length: %d", len);
216        return;
217    }
218    int64_t* map = new int64_t[len];
219    env->GetLongArrayRegion(atlasMapArray, 0, len, map);
220
221    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
222    proxy->setTextureAtlas(buffer, map, len);
223}
224
225static void android_view_ThreadedRenderer_setProcessStatsBuffer(JNIEnv* env, jobject clazz,
226        jlong proxyPtr, jint fd) {
227    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
228    proxy->setProcessStatsBuffer(fd);
229}
230
231static jlong android_view_ThreadedRenderer_createRootRenderNode(JNIEnv* env, jobject clazz) {
232    RootRenderNode* node = new RootRenderNode(env);
233    node->incStrong(0);
234    node->setName("RootRenderNode");
235    return reinterpret_cast<jlong>(node);
236}
237
238static jlong android_view_ThreadedRenderer_createProxy(JNIEnv* env, jobject clazz,
239        jboolean translucent, jlong rootRenderNodePtr) {
240    RootRenderNode* rootRenderNode = reinterpret_cast<RootRenderNode*>(rootRenderNodePtr);
241    ContextFactoryImpl factory(rootRenderNode);
242    return (jlong) new RenderProxy(translucent, rootRenderNode, &factory);
243}
244
245static void android_view_ThreadedRenderer_deleteProxy(JNIEnv* env, jobject clazz,
246        jlong proxyPtr) {
247    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
248    delete proxy;
249}
250
251static jboolean android_view_ThreadedRenderer_loadSystemProperties(JNIEnv* env, jobject clazz,
252        jlong proxyPtr) {
253    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
254    return proxy->loadSystemProperties();
255}
256
257static void android_view_ThreadedRenderer_setName(JNIEnv* env, jobject clazz,
258        jlong proxyPtr, jstring jname) {
259    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
260    const char* name = env->GetStringUTFChars(jname, NULL);
261    proxy->setName(name);
262    env->ReleaseStringUTFChars(jname, name);
263}
264
265static jboolean android_view_ThreadedRenderer_initialize(JNIEnv* env, jobject clazz,
266        jlong proxyPtr, jobject jsurface) {
267    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
268    sp<ANativeWindow> window = android_view_Surface_getNativeWindow(env, jsurface);
269    return proxy->initialize(window);
270}
271
272static void android_view_ThreadedRenderer_updateSurface(JNIEnv* env, jobject clazz,
273        jlong proxyPtr, jobject jsurface) {
274    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
275    sp<ANativeWindow> window;
276    if (jsurface) {
277        window = android_view_Surface_getNativeWindow(env, jsurface);
278    }
279    proxy->updateSurface(window);
280}
281
282static jboolean android_view_ThreadedRenderer_pauseSurface(JNIEnv* env, jobject clazz,
283        jlong proxyPtr, jobject jsurface) {
284    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
285    sp<ANativeWindow> window;
286    if (jsurface) {
287        window = android_view_Surface_getNativeWindow(env, jsurface);
288    }
289    return proxy->pauseSurface(window);
290}
291
292static void android_view_ThreadedRenderer_setup(JNIEnv* env, jobject clazz, jlong proxyPtr,
293        jint width, jint height,
294        jfloat lightX, jfloat lightY, jfloat lightZ, jfloat lightRadius,
295        jint ambientShadowAlpha, jint spotShadowAlpha, jfloat density) {
296    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
297    proxy->setup(width, height, (Vector3){lightX, lightY, lightZ}, lightRadius,
298            ambientShadowAlpha, spotShadowAlpha);
299}
300
301static void android_view_ThreadedRenderer_setOpaque(JNIEnv* env, jobject clazz,
302        jlong proxyPtr, jboolean opaque) {
303    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
304    proxy->setOpaque(opaque);
305}
306
307static int android_view_ThreadedRenderer_syncAndDrawFrame(JNIEnv* env, jobject clazz,
308        jlong proxyPtr, jlongArray frameInfo, jint frameInfoSize) {
309    LOG_ALWAYS_FATAL_IF(frameInfoSize != UI_THREAD_FRAME_INFO_SIZE,
310            "Mismatched size expectations, given %d expected %d",
311            frameInfoSize, UI_THREAD_FRAME_INFO_SIZE);
312    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
313    env->GetLongArrayRegion(frameInfo, 0, frameInfoSize, proxy->frameInfo());
314    return proxy->syncAndDrawFrame();
315}
316
317static void android_view_ThreadedRenderer_destroy(JNIEnv* env, jobject clazz,
318        jlong proxyPtr) {
319    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
320    proxy->destroy();
321}
322
323static void android_view_ThreadedRenderer_registerAnimatingRenderNode(JNIEnv* env, jobject clazz,
324        jlong rootNodePtr, jlong animatingNodePtr) {
325    RootRenderNode* rootRenderNode = reinterpret_cast<RootRenderNode*>(rootNodePtr);
326    RenderNode* animatingNode = reinterpret_cast<RenderNode*>(animatingNodePtr);
327    rootRenderNode->attachAnimatingNode(animatingNode);
328}
329
330static void android_view_ThreadedRenderer_invokeFunctor(JNIEnv* env, jobject clazz,
331        jlong functorPtr, jboolean waitForCompletion) {
332    Functor* functor = reinterpret_cast<Functor*>(functorPtr);
333    RenderProxy::invokeFunctor(functor, waitForCompletion);
334}
335
336static jlong android_view_ThreadedRenderer_createTextureLayer(JNIEnv* env, jobject clazz,
337        jlong proxyPtr) {
338    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
339    DeferredLayerUpdater* layer = proxy->createTextureLayer();
340    return reinterpret_cast<jlong>(layer);
341}
342
343static void android_view_ThreadedRenderer_buildLayer(JNIEnv* env, jobject clazz,
344        jlong proxyPtr, jlong nodePtr) {
345    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
346    RenderNode* node = reinterpret_cast<RenderNode*>(nodePtr);
347    proxy->buildLayer(node);
348}
349
350static jboolean android_view_ThreadedRenderer_copyLayerInto(JNIEnv* env, jobject clazz,
351        jlong proxyPtr, jlong layerPtr, jobject jbitmap) {
352    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
353    DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerPtr);
354    SkBitmap bitmap;
355    GraphicsJNI::getSkBitmap(env, jbitmap, &bitmap);
356    return proxy->copyLayerInto(layer, bitmap);
357}
358
359static void android_view_ThreadedRenderer_pushLayerUpdate(JNIEnv* env, jobject clazz,
360        jlong proxyPtr, jlong layerPtr) {
361    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
362    DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerPtr);
363    proxy->pushLayerUpdate(layer);
364}
365
366static void android_view_ThreadedRenderer_cancelLayerUpdate(JNIEnv* env, jobject clazz,
367        jlong proxyPtr, jlong layerPtr) {
368    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
369    DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerPtr);
370    proxy->cancelLayerUpdate(layer);
371}
372
373static void android_view_ThreadedRenderer_detachSurfaceTexture(JNIEnv* env, jobject clazz,
374        jlong proxyPtr, jlong layerPtr) {
375    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
376    DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(layerPtr);
377    proxy->detachSurfaceTexture(layer);
378}
379
380static void android_view_ThreadedRenderer_destroyHardwareResources(JNIEnv* env, jobject clazz,
381        jlong proxyPtr) {
382    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
383    proxy->destroyHardwareResources();
384}
385
386static void android_view_ThreadedRenderer_trimMemory(JNIEnv* env, jobject clazz,
387        jint level) {
388    RenderProxy::trimMemory(level);
389}
390
391static void android_view_ThreadedRenderer_fence(JNIEnv* env, jobject clazz,
392        jlong proxyPtr) {
393    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
394    proxy->fence();
395}
396
397static void android_view_ThreadedRenderer_stopDrawing(JNIEnv* env, jobject clazz,
398        jlong proxyPtr) {
399    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
400    proxy->stopDrawing();
401}
402
403static void android_view_ThreadedRenderer_notifyFramePending(JNIEnv* env, jobject clazz,
404        jlong proxyPtr) {
405    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
406    proxy->notifyFramePending();
407}
408
409static void android_view_ThreadedRenderer_dumpProfileInfo(JNIEnv* env, jobject clazz,
410        jlong proxyPtr, jobject javaFileDescriptor, jint dumpFlags) {
411    RenderProxy* proxy = reinterpret_cast<RenderProxy*>(proxyPtr);
412    int fd = jniGetFDFromFileDescriptor(env, javaFileDescriptor);
413    proxy->dumpProfileInfo(fd, dumpFlags);
414}
415
416static void android_view_ThreadedRenderer_dumpProfileData(JNIEnv* env, jobject clazz,
417        jbyteArray jdata, jobject javaFileDescriptor) {
418    int fd = jniGetFDFromFileDescriptor(env, javaFileDescriptor);
419    ScopedByteArrayRO buffer(env, jdata);
420    if (buffer.get()) {
421        JankTracker::dumpBuffer(buffer.get(), buffer.size(), fd);
422    }
423}
424
425
426// ----------------------------------------------------------------------------
427// Shaders
428// ----------------------------------------------------------------------------
429
430static void android_view_ThreadedRenderer_setupShadersDiskCache(JNIEnv* env, jobject clazz,
431        jstring diskCachePath) {
432
433    const char* cacheArray = env->GetStringUTFChars(diskCachePath, NULL);
434    egl_cache_t::get()->setCacheFilename(cacheArray);
435    env->ReleaseStringUTFChars(diskCachePath, cacheArray);
436}
437
438// ----------------------------------------------------------------------------
439// JNI Glue
440// ----------------------------------------------------------------------------
441
442const char* const kClassPathName = "android/view/ThreadedRenderer";
443
444static JNINativeMethod gMethods[] = {
445    { "nSetAtlas", "(JLandroid/view/GraphicBuffer;[J)V",   (void*) android_view_ThreadedRenderer_setAtlas },
446    { "nSetProcessStatsBuffer", "(JI)V", (void*) android_view_ThreadedRenderer_setProcessStatsBuffer },
447    { "nCreateRootRenderNode", "()J", (void*) android_view_ThreadedRenderer_createRootRenderNode },
448    { "nCreateProxy", "(ZJ)J", (void*) android_view_ThreadedRenderer_createProxy },
449    { "nDeleteProxy", "(J)V", (void*) android_view_ThreadedRenderer_deleteProxy },
450    { "nLoadSystemProperties", "(J)Z", (void*) android_view_ThreadedRenderer_loadSystemProperties },
451    { "nSetName", "(JLjava/lang/String;)V", (void*) android_view_ThreadedRenderer_setName },
452    { "nInitialize", "(JLandroid/view/Surface;)Z", (void*) android_view_ThreadedRenderer_initialize },
453    { "nUpdateSurface", "(JLandroid/view/Surface;)V", (void*) android_view_ThreadedRenderer_updateSurface },
454    { "nPauseSurface", "(JLandroid/view/Surface;)Z", (void*) android_view_ThreadedRenderer_pauseSurface },
455    { "nSetup", "(JIIFFFFII)V", (void*) android_view_ThreadedRenderer_setup },
456    { "nSetOpaque", "(JZ)V", (void*) android_view_ThreadedRenderer_setOpaque },
457    { "nSyncAndDrawFrame", "(J[JI)I", (void*) android_view_ThreadedRenderer_syncAndDrawFrame },
458    { "nDestroy", "(J)V", (void*) android_view_ThreadedRenderer_destroy },
459    { "nRegisterAnimatingRenderNode", "(JJ)V", (void*) android_view_ThreadedRenderer_registerAnimatingRenderNode },
460    { "nInvokeFunctor", "(JZ)V", (void*) android_view_ThreadedRenderer_invokeFunctor },
461    { "nCreateTextureLayer", "(J)J", (void*) android_view_ThreadedRenderer_createTextureLayer },
462    { "nBuildLayer", "(JJ)V", (void*) android_view_ThreadedRenderer_buildLayer },
463    { "nCopyLayerInto", "(JJLandroid/graphics/Bitmap;)Z", (void*) android_view_ThreadedRenderer_copyLayerInto },
464    { "nPushLayerUpdate", "(JJ)V", (void*) android_view_ThreadedRenderer_pushLayerUpdate },
465    { "nCancelLayerUpdate", "(JJ)V", (void*) android_view_ThreadedRenderer_cancelLayerUpdate },
466    { "nDetachSurfaceTexture", "(JJ)V", (void*) android_view_ThreadedRenderer_detachSurfaceTexture },
467    { "nDestroyHardwareResources", "(J)V", (void*) android_view_ThreadedRenderer_destroyHardwareResources },
468    { "nTrimMemory", "(I)V", (void*) android_view_ThreadedRenderer_trimMemory },
469    { "nFence", "(J)V", (void*) android_view_ThreadedRenderer_fence },
470    { "nStopDrawing", "(J)V", (void*) android_view_ThreadedRenderer_stopDrawing },
471    { "nNotifyFramePending", "(J)V", (void*) android_view_ThreadedRenderer_notifyFramePending },
472    { "nDumpProfileInfo", "(JLjava/io/FileDescriptor;I)V", (void*) android_view_ThreadedRenderer_dumpProfileInfo },
473    { "nDumpProfileData", "([BLjava/io/FileDescriptor;)V", (void*) android_view_ThreadedRenderer_dumpProfileData },
474    { "setupShadersDiskCache", "(Ljava/lang/String;)V",
475                (void*) android_view_ThreadedRenderer_setupShadersDiskCache },
476};
477
478int register_android_view_ThreadedRenderer(JNIEnv* env) {
479    return RegisterMethodsOrDie(env, kClassPathName, gMethods, NELEM(gMethods));
480}
481
482}; // namespace android
483