RenderProxy.cpp revision 738ec3aace180018560998d1c2cdeb9ddde5fbfa 
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_BRIDGE6(name, a1, a2, a3, a4, a5, a6) CREATE_BRIDGE(name, a1,a2,a3,a4,a5,a6,,)
43#define CREATE_BRIDGE7(name, a1, a2, a3, a4, a5, a6, a7) CREATE_BRIDGE(name, a1,a2,a3,a4,a5,a6,a7,)
44#define CREATE_BRIDGE(name, a1, a2, a3, a4, a5, a6, a7, a8) \
45    typedef struct { \
46        a1; a2; a3; a4; a5; a6; a7; a8; \
47    } ARGS(name); \
48    static void* Bridge_ ## name(ARGS(name)* args)
49
50#define SETUP_TASK(method) \
51    LOG_ALWAYS_FATAL_IF( METHOD_INVOKE_PAYLOAD_SIZE < sizeof(ARGS(method)), \
52        "METHOD_INVOKE_PAYLOAD_SIZE %zu is smaller than sizeof(" #method "Args) %zu", \
53                METHOD_INVOKE_PAYLOAD_SIZE, sizeof(ARGS(method))); \
54    MethodInvokeRenderTask* task = new MethodInvokeRenderTask((RunnableMethod) Bridge_ ## method); \
55    ARGS(method) *args = (ARGS(method) *) task->payload()
56
57CREATE_BRIDGE3(createContext, RenderThread* thread, bool translucent, RenderNode* rootRenderNode) {
58    return new CanvasContext(*args->thread, args->translucent, args->rootRenderNode);
59}
60
61RenderProxy::RenderProxy(bool translucent, RenderNode* rootRenderNode)
62        : mRenderThread(RenderThread::getInstance())
63        , mContext(0) {
64    SETUP_TASK(createContext);
65    args->translucent = translucent;
66    args->rootRenderNode = rootRenderNode;
67    args->thread = &mRenderThread;
68    mContext = (CanvasContext*) postAndWait(task);
69    mDrawFrameTask.setContext(&mRenderThread, mContext);
70}
71
72RenderProxy::~RenderProxy() {
73    destroyContext();
74}
75
76CREATE_BRIDGE1(destroyContext, CanvasContext* context) {
77    delete args->context;
78    return NULL;
79}
80
81void RenderProxy::destroyContext() {
82    if (mContext) {
83        SETUP_TASK(destroyContext);
84        args->context = mContext;
85        mContext = 0;
86        mDrawFrameTask.setContext(NULL, NULL);
87        // This is also a fence as we need to be certain that there are no
88        // outstanding mDrawFrame tasks posted before it is destroyed
89        postAndWait(task);
90    }
91}
92
93CREATE_BRIDGE2(setFrameInterval, RenderThread* thread, nsecs_t frameIntervalNanos) {
94    args->thread->timeLord().setFrameInterval(args->frameIntervalNanos);
95    return NULL;
96}
97
98void RenderProxy::setFrameInterval(nsecs_t frameIntervalNanos) {
99    SETUP_TASK(setFrameInterval);
100    args->thread = &mRenderThread;
101    args->frameIntervalNanos = frameIntervalNanos;
102    post(task);
103}
104
105CREATE_BRIDGE1(loadSystemProperties, CanvasContext* context) {
106    bool needsRedraw = false;
107    if (Caches::hasInstance()) {
108        needsRedraw = Caches::getInstance().initProperties();
109    }
110    if (args->context->profiler().loadSystemProperties()) {
111        needsRedraw = true;
112    }
113    return (void*) needsRedraw;
114}
115
116bool RenderProxy::loadSystemProperties() {
117    SETUP_TASK(loadSystemProperties);
118    args->context = mContext;
119    return (bool) postAndWait(task);
120}
121
122CREATE_BRIDGE2(initialize, CanvasContext* context, ANativeWindow* window) {
123    return (void*) args->context->initialize(args->window);
124}
125
126bool RenderProxy::initialize(const sp<ANativeWindow>& window) {
127    SETUP_TASK(initialize);
128    args->context = mContext;
129    args->window = window.get();
130    return (bool) postAndWait(task);
131}
132
133CREATE_BRIDGE2(updateSurface, CanvasContext* context, ANativeWindow* window) {
134    args->context->updateSurface(args->window);
135    return NULL;
136}
137
138void RenderProxy::updateSurface(const sp<ANativeWindow>& window) {
139    SETUP_TASK(updateSurface);
140    args->context = mContext;
141    args->window = window.get();
142    postAndWait(task);
143}
144
145CREATE_BRIDGE2(pauseSurface, CanvasContext* context, ANativeWindow* window) {
146    args->context->pauseSurface(args->window);
147    return NULL;
148}
149
150void RenderProxy::pauseSurface(const sp<ANativeWindow>& window) {
151    SETUP_TASK(pauseSurface);
152    args->context = mContext;
153    args->window = window.get();
154    postAndWait(task);
155}
156
157CREATE_BRIDGE7(setup, CanvasContext* context, int width, int height,
158        Vector3 lightCenter, float lightRadius,
159        uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha) {
160    args->context->setup(args->width, args->height, args->lightCenter, args->lightRadius,
161            args->ambientShadowAlpha, args->spotShadowAlpha);
162    return NULL;
163}
164
165void RenderProxy::setup(int width, int height, const Vector3& lightCenter, float lightRadius,
166        uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha) {
167    SETUP_TASK(setup);
168    args->context = mContext;
169    args->width = width;
170    args->height = height;
171    args->lightCenter = lightCenter;
172    args->lightRadius = lightRadius;
173    args->ambientShadowAlpha = ambientShadowAlpha;
174    args->spotShadowAlpha = spotShadowAlpha;
175    post(task);
176}
177
178CREATE_BRIDGE2(setOpaque, CanvasContext* context, bool opaque) {
179    args->context->setOpaque(args->opaque);
180    return NULL;
181}
182
183void RenderProxy::setOpaque(bool opaque) {
184    SETUP_TASK(setOpaque);
185    args->context = mContext;
186    args->opaque = opaque;
187    post(task);
188}
189
190int RenderProxy::syncAndDrawFrame(nsecs_t frameTimeNanos, nsecs_t recordDurationNanos,
191        float density) {
192    mDrawFrameTask.setDensity(density);
193    return mDrawFrameTask.drawFrame(frameTimeNanos, recordDurationNanos);
194}
195
196CREATE_BRIDGE1(destroyCanvasAndSurface, CanvasContext* context) {
197    args->context->destroyCanvasAndSurface();
198    return NULL;
199}
200
201void RenderProxy::destroyCanvasAndSurface() {
202    SETUP_TASK(destroyCanvasAndSurface);
203    args->context = mContext;
204    // destroyCanvasAndSurface() needs a fence as when it returns the
205    // underlying BufferQueue is going to be released from under
206    // the render thread.
207    postAndWait(task);
208}
209
210CREATE_BRIDGE2(invokeFunctor, RenderThread* thread, Functor* functor) {
211    CanvasContext::invokeFunctor(*args->thread, args->functor);
212    return NULL;
213}
214
215void RenderProxy::invokeFunctor(Functor* functor, bool waitForCompletion) {
216    ATRACE_CALL();
217    RenderThread& thread = RenderThread::getInstance();
218    SETUP_TASK(invokeFunctor);
219    args->thread = &thread;
220    args->functor = functor;
221    if (waitForCompletion) {
222        // waitForCompletion = true is expected to be fairly rare and only
223        // happen in destruction. Thus it should be fine to temporarily
224        // create a Mutex
225        Mutex mutex;
226        Condition condition;
227        SignalingRenderTask syncTask(task, &mutex, &condition);
228        AutoMutex _lock(mutex);
229        thread.queue(&syncTask);
230        condition.wait(mutex);
231    } else {
232        thread.queue(task);
233    }
234}
235
236CREATE_BRIDGE2(runWithGlContext, CanvasContext* context, RenderTask* task) {
237    args->context->runWithGlContext(args->task);
238    return NULL;
239}
240
241void RenderProxy::runWithGlContext(RenderTask* gltask) {
242    SETUP_TASK(runWithGlContext);
243    args->context = mContext;
244    args->task = gltask;
245    postAndWait(task);
246}
247
248CREATE_BRIDGE1(destroyLayer, Layer* layer) {
249    LayerRenderer::destroyLayer(args->layer);
250    return NULL;
251}
252
253void RenderProxy::enqueueDestroyLayer(Layer* layer) {
254    SETUP_TASK(destroyLayer);
255    args->layer = layer;
256    RenderThread::getInstance().queue(task);
257}
258
259CREATE_BRIDGE3(createDisplayListLayer, CanvasContext* context, int width, int height) {
260    Layer* layer = args->context->createRenderLayer(args->width, args->height);
261    if (!layer) return 0;
262    return new DeferredLayerUpdater(layer, RenderProxy::enqueueDestroyLayer);
263}
264
265DeferredLayerUpdater* RenderProxy::createDisplayListLayer(int width, int height) {
266    SETUP_TASK(createDisplayListLayer);
267    args->width = width;
268    args->height = height;
269    args->context = mContext;
270    void* retval = postAndWait(task);
271    DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(retval);
272    return layer;
273}
274
275CREATE_BRIDGE1(createTextureLayer, CanvasContext* context) {
276    Layer* layer = args->context->createTextureLayer();
277    if (!layer) return 0;
278    return new DeferredLayerUpdater(layer, RenderProxy::enqueueDestroyLayer);
279}
280
281DeferredLayerUpdater* RenderProxy::createTextureLayer() {
282    SETUP_TASK(createTextureLayer);
283    args->context = mContext;
284    void* retval = postAndWait(task);
285    DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(retval);
286    return layer;
287}
288
289CREATE_BRIDGE3(copyLayerInto, CanvasContext* context, DeferredLayerUpdater* layer,
290        SkBitmap* bitmap) {
291    bool success = args->context->copyLayerInto(args->layer, args->bitmap);
292    return (void*) success;
293}
294
295bool RenderProxy::copyLayerInto(DeferredLayerUpdater* layer, SkBitmap* bitmap) {
296    SETUP_TASK(copyLayerInto);
297    args->context = mContext;
298    args->layer = layer;
299    args->bitmap = bitmap;
300    return (bool) postAndWait(task);
301}
302
303void RenderProxy::pushLayerUpdate(DeferredLayerUpdater* layer) {
304    mDrawFrameTask.pushLayerUpdate(layer);
305}
306
307void RenderProxy::cancelLayerUpdate(DeferredLayerUpdater* layer) {
308    mDrawFrameTask.removeLayerUpdate(layer);
309}
310
311CREATE_BRIDGE1(detachSurfaceTexture, DeferredLayerUpdater* layer) {
312    args->layer->detachSurfaceTexture();
313    return NULL;
314}
315
316void RenderProxy::detachSurfaceTexture(DeferredLayerUpdater* layer) {
317    SETUP_TASK(detachSurfaceTexture);
318    args->layer = layer;
319    postAndWait(task);
320}
321
322CREATE_BRIDGE1(destroyHardwareResources, CanvasContext* context) {
323    args->context->destroyHardwareResources();
324    return NULL;
325}
326
327void RenderProxy::destroyHardwareResources() {
328    SETUP_TASK(destroyHardwareResources);
329    args->context = mContext;
330    post(task);
331}
332
333CREATE_BRIDGE2(timMemory, RenderThread* thread, int level) {
334    CanvasContext::trimMemory(*args->thread, args->level);
335    return NULL;
336}
337
338void RenderProxy::trimMemory(int level) {
339    RenderThread& thread = RenderThread::getInstance();
340    SETUP_TASK(timMemory);
341    args->thread = &thread;
342    args->level = level;
343    thread.queue(task);
344}
345
346CREATE_BRIDGE0(fence) {
347    // Intentionally empty
348    return NULL;
349}
350
351void RenderProxy::fence() {
352    SETUP_TASK(fence);
353    postAndWait(task);
354}
355
356CREATE_BRIDGE1(stopDrawing, CanvasContext* context) {
357    args->context->stopDrawing();
358    return NULL;
359}
360
361void RenderProxy::stopDrawing() {
362    SETUP_TASK(stopDrawing);
363    args->context = mContext;
364    postAndWait(task);
365}
366
367CREATE_BRIDGE1(notifyFramePending, CanvasContext* context) {
368    args->context->notifyFramePending();
369    return NULL;
370}
371
372void RenderProxy::notifyFramePending() {
373    SETUP_TASK(notifyFramePending);
374    args->context = mContext;
375    mRenderThread.queueAtFront(task);
376}
377
378CREATE_BRIDGE2(dumpProfileInfo, CanvasContext* context, int fd) {
379    args->context->profiler().dumpData(args->fd);
380    return NULL;
381}
382
383void RenderProxy::dumpProfileInfo(int fd) {
384    SETUP_TASK(dumpProfileInfo);
385    args->context = mContext;
386    args->fd = fd;
387    postAndWait(task);
388}
389
390CREATE_BRIDGE4(setTextureAtlas, RenderThread* thread, GraphicBuffer* buffer, int64_t* map, size_t size) {
391    CanvasContext::setTextureAtlas(*args->thread, args->buffer, args->map, args->size);
392    args->buffer->decStrong(0);
393    return NULL;
394}
395
396void RenderProxy::setTextureAtlas(const sp<GraphicBuffer>& buffer, int64_t* map, size_t size) {
397    SETUP_TASK(setTextureAtlas);
398    args->thread = &mRenderThread;
399    args->buffer = buffer.get();
400    args->buffer->incStrong(0);
401    args->map = map;
402    args->size = size;
403    post(task);
404}
405
406void RenderProxy::post(RenderTask* task) {
407    mRenderThread.queue(task);
408}
409
410void* RenderProxy::postAndWait(MethodInvokeRenderTask* task) {
411    void* retval;
412    task->setReturnPtr(&retval);
413    SignalingRenderTask syncTask(task, &mSyncMutex, &mSyncCondition);
414    AutoMutex _lock(mSyncMutex);
415    mRenderThread.queue(&syncTask);
416    mSyncCondition.wait(mSyncMutex);
417    return retval;
418}
419
420} /* namespace renderthread */
421} /* namespace uirenderer */
422} /* namespace android */
423