RenderProxy.cpp revision 3b20251a355c88193c439f928a84ae69483fb488 
1/*
2 * Copyright (C) 2013 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 "RenderProxy"
18
19#include "RenderProxy.h"
20
21#include "CanvasContext.h"
22#include "RenderTask.h"
23#include "RenderThread.h"
24
25#include "../DeferredLayerUpdater.h"
26#include "../DisplayList.h"
27#include "../LayerRenderer.h"
28#include "../Rect.h"
29
30namespace android {
31namespace uirenderer {
32namespace renderthread {
33
34#define ARGS(method) method ## Args
35
36#define CREATE_BRIDGE0(name) CREATE_BRIDGE(name,,,,,,,,)
37#define CREATE_BRIDGE1(name, a1) CREATE_BRIDGE(name, a1,,,,,,,)
38#define CREATE_BRIDGE2(name, a1, a2) CREATE_BRIDGE(name, a1,a2,,,,,,)
39#define CREATE_BRIDGE3(name, a1, a2, a3) CREATE_BRIDGE(name, a1,a2,a3,,,,,)
40#define CREATE_BRIDGE4(name, a1, a2, a3, a4) CREATE_BRIDGE(name, a1,a2,a3,a4,,,,)
41#define CREATE_BRIDGE5(name, a1, a2, a3, a4, a5) CREATE_BRIDGE(name, a1,a2,a3,a4,a5,,,)
42#define CREATE_BRIDGE(name, a1, a2, a3, a4, a5, a6, a7, a8) \
43    typedef struct { \
44        a1; a2; a3; a4; a5; a6; a7; a8; \
45    } ARGS(name); \
46    static void* Bridge_ ## name(ARGS(name)* args)
47
48#define SETUP_TASK(method) \
49    LOG_ALWAYS_FATAL_IF( METHOD_INVOKE_PAYLOAD_SIZE < sizeof(ARGS(method)), \
50        "METHOD_INVOKE_PAYLOAD_SIZE %zu is smaller than sizeof(" #method "Args) %zu", \
51                METHOD_INVOKE_PAYLOAD_SIZE, sizeof(ARGS(method))); \
52    MethodInvokeRenderTask* task = new MethodInvokeRenderTask((RunnableMethod) Bridge_ ## method); \
53    ARGS(method) *args = (ARGS(method) *) task->payload()
54
55CREATE_BRIDGE3(createContext, RenderThread* thread, bool translucent, RenderNode* rootRenderNode) {
56    return new CanvasContext(*args->thread, args->translucent, args->rootRenderNode);
57}
58
59RenderProxy::RenderProxy(bool translucent, RenderNode* rootRenderNode)
60        : mRenderThread(RenderThread::getInstance())
61        , mContext(0) {
62    SETUP_TASK(createContext);
63    args->translucent = translucent;
64    args->rootRenderNode = rootRenderNode;
65    args->thread = &mRenderThread;
66    mContext = (CanvasContext*) postAndWait(task);
67    mDrawFrameTask.setContext(&mRenderThread, mContext);
68}
69
70RenderProxy::~RenderProxy() {
71    destroyContext();
72}
73
74CREATE_BRIDGE1(destroyContext, CanvasContext* context) {
75    delete args->context;
76    return NULL;
77}
78
79void RenderProxy::destroyContext() {
80    if (mContext) {
81        SETUP_TASK(destroyContext);
82        args->context = mContext;
83        mContext = 0;
84        mDrawFrameTask.setContext(NULL, NULL);
85        // This is also a fence as we need to be certain that there are no
86        // outstanding mDrawFrame tasks posted before it is destroyed
87        postAndWait(task);
88    }
89}
90
91CREATE_BRIDGE2(setFrameInterval, RenderThread* thread, nsecs_t frameIntervalNanos) {
92    args->thread->timeLord().setFrameInterval(args->frameIntervalNanos);
93    return NULL;
94}
95
96void RenderProxy::setFrameInterval(nsecs_t frameIntervalNanos) {
97    SETUP_TASK(setFrameInterval);
98    args->thread = &mRenderThread;
99    args->frameIntervalNanos = frameIntervalNanos;
100    post(task);
101}
102
103CREATE_BRIDGE1(loadSystemProperties, CanvasContext* context) {
104    bool needsRedraw = false;
105    if (Caches::hasInstance()) {
106        needsRedraw = Caches::getInstance().initProperties();
107    }
108    if (args->context->profiler().loadSystemProperties()) {
109        needsRedraw = true;
110    }
111    return (void*) needsRedraw;
112}
113
114bool RenderProxy::loadSystemProperties() {
115    SETUP_TASK(loadSystemProperties);
116    args->context = mContext;
117    return (bool) postAndWait(task);
118}
119
120CREATE_BRIDGE2(initialize, CanvasContext* context, ANativeWindow* window) {
121    return (void*) args->context->initialize(args->window);
122}
123
124bool RenderProxy::initialize(const sp<ANativeWindow>& window) {
125    SETUP_TASK(initialize);
126    args->context = mContext;
127    args->window = window.get();
128    return (bool) postAndWait(task);
129}
130
131CREATE_BRIDGE2(updateSurface, CanvasContext* context, ANativeWindow* window) {
132    args->context->updateSurface(args->window);
133    return NULL;
134}
135
136void RenderProxy::updateSurface(const sp<ANativeWindow>& window) {
137    SETUP_TASK(updateSurface);
138    args->context = mContext;
139    args->window = window.get();
140    postAndWait(task);
141}
142
143CREATE_BRIDGE2(pauseSurface, CanvasContext* context, ANativeWindow* window) {
144    args->context->pauseSurface(args->window);
145    return NULL;
146}
147
148void RenderProxy::pauseSurface(const sp<ANativeWindow>& window) {
149    SETUP_TASK(pauseSurface);
150    args->context = mContext;
151    args->window = window.get();
152    postAndWait(task);
153}
154
155CREATE_BRIDGE5(setup, CanvasContext* context, int width, int height,
156        Vector3 lightCenter, int lightRadius) {
157    args->context->setup(args->width, args->height, args->lightCenter, args->lightRadius);
158    return NULL;
159}
160
161void RenderProxy::setup(int width, int height, const Vector3& lightCenter, float lightRadius) {
162    SETUP_TASK(setup);
163    args->context = mContext;
164    args->width = width;
165    args->height = height;
166    args->lightCenter = lightCenter;
167    args->lightRadius = lightRadius;
168    post(task);
169}
170
171CREATE_BRIDGE2(setOpaque, CanvasContext* context, bool opaque) {
172    args->context->setOpaque(args->opaque);
173    return NULL;
174}
175
176void RenderProxy::setOpaque(bool opaque) {
177    SETUP_TASK(setOpaque);
178    args->context = mContext;
179    args->opaque = opaque;
180    post(task);
181}
182
183int RenderProxy::syncAndDrawFrame(nsecs_t frameTimeNanos, nsecs_t recordDurationNanos,
184        float density) {
185    mDrawFrameTask.setDensity(density);
186    return mDrawFrameTask.drawFrame(frameTimeNanos, recordDurationNanos);
187}
188
189CREATE_BRIDGE1(destroyCanvasAndSurface, CanvasContext* context) {
190    args->context->destroyCanvasAndSurface();
191    return NULL;
192}
193
194void RenderProxy::destroyCanvasAndSurface() {
195    SETUP_TASK(destroyCanvasAndSurface);
196    args->context = mContext;
197    // destroyCanvasAndSurface() needs a fence as when it returns the
198    // underlying BufferQueue is going to be released from under
199    // the render thread.
200    postAndWait(task);
201}
202
203CREATE_BRIDGE2(invokeFunctor, RenderThread* thread, Functor* functor) {
204    CanvasContext::invokeFunctor(*args->thread, args->functor);
205    return NULL;
206}
207
208void RenderProxy::invokeFunctor(Functor* functor, bool waitForCompletion) {
209    ATRACE_CALL();
210    RenderThread& thread = RenderThread::getInstance();
211    SETUP_TASK(invokeFunctor);
212    args->thread = &thread;
213    args->functor = functor;
214    if (waitForCompletion) {
215        // waitForCompletion = true is expected to be fairly rare and only
216        // happen in destruction. Thus it should be fine to temporarily
217        // create a Mutex
218        Mutex mutex;
219        Condition condition;
220        SignalingRenderTask syncTask(task, &mutex, &condition);
221        AutoMutex _lock(mutex);
222        thread.queue(&syncTask);
223        condition.wait(mutex);
224    } else {
225        thread.queue(task);
226    }
227}
228
229CREATE_BRIDGE2(runWithGlContext, CanvasContext* context, RenderTask* task) {
230    args->context->runWithGlContext(args->task);
231    return NULL;
232}
233
234void RenderProxy::runWithGlContext(RenderTask* gltask) {
235    SETUP_TASK(runWithGlContext);
236    args->context = mContext;
237    args->task = gltask;
238    postAndWait(task);
239}
240
241CREATE_BRIDGE1(destroyLayer, Layer* layer) {
242    LayerRenderer::destroyLayer(args->layer);
243    return NULL;
244}
245
246void RenderProxy::enqueueDestroyLayer(Layer* layer) {
247    SETUP_TASK(destroyLayer);
248    args->layer = layer;
249    RenderThread::getInstance().queue(task);
250}
251
252CREATE_BRIDGE3(createDisplayListLayer, CanvasContext* context, int width, int height) {
253    Layer* layer = args->context->createRenderLayer(args->width, args->height);
254    if (!layer) return 0;
255    return new DeferredLayerUpdater(layer, RenderProxy::enqueueDestroyLayer);
256}
257
258DeferredLayerUpdater* RenderProxy::createDisplayListLayer(int width, int height) {
259    SETUP_TASK(createDisplayListLayer);
260    args->width = width;
261    args->height = height;
262    args->context = mContext;
263    void* retval = postAndWait(task);
264    DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(retval);
265    return layer;
266}
267
268CREATE_BRIDGE1(createTextureLayer, CanvasContext* context) {
269    Layer* layer = args->context->createTextureLayer();
270    if (!layer) return 0;
271    return new DeferredLayerUpdater(layer, RenderProxy::enqueueDestroyLayer);
272}
273
274DeferredLayerUpdater* RenderProxy::createTextureLayer() {
275    SETUP_TASK(createTextureLayer);
276    args->context = mContext;
277    void* retval = postAndWait(task);
278    DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(retval);
279    return layer;
280}
281
282CREATE_BRIDGE3(copyLayerInto, CanvasContext* context, DeferredLayerUpdater* layer,
283        SkBitmap* bitmap) {
284    bool success = args->context->copyLayerInto(args->layer, args->bitmap);
285    return (void*) success;
286}
287
288bool RenderProxy::copyLayerInto(DeferredLayerUpdater* layer, SkBitmap* bitmap) {
289    SETUP_TASK(copyLayerInto);
290    args->context = mContext;
291    args->layer = layer;
292    args->bitmap = bitmap;
293    return (bool) postAndWait(task);
294}
295
296void RenderProxy::pushLayerUpdate(DeferredLayerUpdater* layer) {
297    mDrawFrameTask.pushLayerUpdate(layer);
298}
299
300void RenderProxy::cancelLayerUpdate(DeferredLayerUpdater* layer) {
301    mDrawFrameTask.removeLayerUpdate(layer);
302}
303
304CREATE_BRIDGE2(flushCaches, CanvasContext* context, Caches::FlushMode flushMode) {
305    args->context->flushCaches(args->flushMode);
306    return NULL;
307}
308
309void RenderProxy::flushCaches(Caches::FlushMode flushMode) {
310    SETUP_TASK(flushCaches);
311    args->context = mContext;
312    args->flushMode = flushMode;
313    post(task);
314}
315
316CREATE_BRIDGE0(fence) {
317    // Intentionally empty
318    return NULL;
319}
320
321void RenderProxy::fence() {
322    SETUP_TASK(fence);
323    postAndWait(task);
324}
325
326CREATE_BRIDGE1(notifyFramePending, CanvasContext* context) {
327    args->context->notifyFramePending();
328    return NULL;
329}
330
331void RenderProxy::notifyFramePending() {
332    SETUP_TASK(notifyFramePending);
333    args->context = mContext;
334    mRenderThread.queueAtFront(task);
335}
336
337CREATE_BRIDGE2(dumpProfileInfo, CanvasContext* context, int fd) {
338    args->context->profiler().dumpData(args->fd);
339    return NULL;
340}
341
342void RenderProxy::dumpProfileInfo(int fd) {
343    SETUP_TASK(dumpProfileInfo);
344    args->context = mContext;
345    args->fd = fd;
346    postAndWait(task);
347}
348
349CREATE_BRIDGE4(setTextureAtlas, RenderThread* thread, GraphicBuffer* buffer, int64_t* map, size_t size) {
350    CanvasContext::setTextureAtlas(*args->thread, args->buffer, args->map, args->size);
351    args->buffer->decStrong(0);
352    return NULL;
353}
354
355void RenderProxy::setTextureAtlas(const sp<GraphicBuffer>& buffer, int64_t* map, size_t size) {
356    SETUP_TASK(setTextureAtlas);
357    args->thread = &mRenderThread;
358    args->buffer = buffer.get();
359    args->buffer->incStrong(0);
360    args->map = map;
361    args->size = size;
362    post(task);
363}
364
365void RenderProxy::post(RenderTask* task) {
366    mRenderThread.queue(task);
367}
368
369void* RenderProxy::postAndWait(MethodInvokeRenderTask* task) {
370    void* retval;
371    task->setReturnPtr(&retval);
372    SignalingRenderTask syncTask(task, &mSyncMutex, &mSyncCondition);
373    AutoMutex _lock(mSyncMutex);
374    mRenderThread.queue(&syncTask);
375    mSyncCondition.wait(mSyncMutex);
376    return retval;
377}
378
379} /* namespace renderthread */
380} /* namespace uirenderer */
381} /* namespace android */
382