RenderProxy.cpp revision 69e5adffb19135d51bde8e458f4907d7265f3e23 
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#include "RenderProxy.h"
18
19#include "CanvasContext.h"
20#include "RenderTask.h"
21#include "RenderThread.h"
22
23#include "../DeferredLayerUpdater.h"
24#include "../DisplayList.h"
25#include "../LayerRenderer.h"
26#include "../Rect.h"
27
28namespace android {
29namespace uirenderer {
30namespace renderthread {
31
32#define ARGS(method) method ## Args
33
34#define CREATE_BRIDGE0(name) CREATE_BRIDGE(name,,,,,,,,)
35#define CREATE_BRIDGE1(name, a1) CREATE_BRIDGE(name, a1,,,,,,,)
36#define CREATE_BRIDGE2(name, a1, a2) CREATE_BRIDGE(name, a1,a2,,,,,,)
37#define CREATE_BRIDGE3(name, a1, a2, a3) CREATE_BRIDGE(name, a1,a2,a3,,,,,)
38#define CREATE_BRIDGE4(name, a1, a2, a3, a4) CREATE_BRIDGE(name, a1,a2,a3,a4,,,,)
39#define CREATE_BRIDGE5(name, a1, a2, a3, a4, a5) CREATE_BRIDGE(name, a1,a2,a3,a4,a5,,,)
40#define CREATE_BRIDGE6(name, a1, a2, a3, a4, a5, a6) CREATE_BRIDGE(name, a1,a2,a3,a4,a5,a6,,)
41#define CREATE_BRIDGE7(name, a1, a2, a3, a4, a5, a6, a7) CREATE_BRIDGE(name, a1,a2,a3,a4,a5,a6,a7,)
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_BRIDGE7(setup, CanvasContext* context, int width, int height,
156        Vector3 lightCenter, float lightRadius,
157        uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha) {
158    args->context->setup(args->width, args->height, args->lightCenter, args->lightRadius,
159            args->ambientShadowAlpha, args->spotShadowAlpha);
160    return NULL;
161}
162
163void RenderProxy::setup(int width, int height, const Vector3& lightCenter, float lightRadius,
164        uint8_t ambientShadowAlpha, uint8_t spotShadowAlpha) {
165    SETUP_TASK(setup);
166    args->context = mContext;
167    args->width = width;
168    args->height = height;
169    args->lightCenter = lightCenter;
170    args->lightRadius = lightRadius;
171    args->ambientShadowAlpha = ambientShadowAlpha;
172    args->spotShadowAlpha = spotShadowAlpha;
173    post(task);
174}
175
176CREATE_BRIDGE2(setOpaque, CanvasContext* context, bool opaque) {
177    args->context->setOpaque(args->opaque);
178    return NULL;
179}
180
181void RenderProxy::setOpaque(bool opaque) {
182    SETUP_TASK(setOpaque);
183    args->context = mContext;
184    args->opaque = opaque;
185    post(task);
186}
187
188int RenderProxy::syncAndDrawFrame(nsecs_t frameTimeNanos, nsecs_t recordDurationNanos,
189        float density) {
190    mDrawFrameTask.setDensity(density);
191    return mDrawFrameTask.drawFrame(frameTimeNanos, recordDurationNanos);
192}
193
194CREATE_BRIDGE1(destroyCanvasAndSurface, CanvasContext* context) {
195    args->context->destroyCanvasAndSurface();
196    return NULL;
197}
198
199void RenderProxy::destroyCanvasAndSurface() {
200    SETUP_TASK(destroyCanvasAndSurface);
201    args->context = mContext;
202    // destroyCanvasAndSurface() needs a fence as when it returns the
203    // underlying BufferQueue is going to be released from under
204    // the render thread.
205    postAndWait(task);
206}
207
208CREATE_BRIDGE2(invokeFunctor, RenderThread* thread, Functor* functor) {
209    CanvasContext::invokeFunctor(*args->thread, args->functor);
210    return NULL;
211}
212
213void RenderProxy::invokeFunctor(Functor* functor, bool waitForCompletion) {
214    ATRACE_CALL();
215    RenderThread& thread = RenderThread::getInstance();
216    SETUP_TASK(invokeFunctor);
217    args->thread = &thread;
218    args->functor = functor;
219    if (waitForCompletion) {
220        // waitForCompletion = true is expected to be fairly rare and only
221        // happen in destruction. Thus it should be fine to temporarily
222        // create a Mutex
223        Mutex mutex;
224        Condition condition;
225        SignalingRenderTask syncTask(task, &mutex, &condition);
226        AutoMutex _lock(mutex);
227        thread.queue(&syncTask);
228        condition.wait(mutex);
229    } else {
230        thread.queue(task);
231    }
232}
233
234CREATE_BRIDGE2(runWithGlContext, CanvasContext* context, RenderTask* task) {
235    args->context->runWithGlContext(args->task);
236    return NULL;
237}
238
239void RenderProxy::runWithGlContext(RenderTask* gltask) {
240    SETUP_TASK(runWithGlContext);
241    args->context = mContext;
242    args->task = gltask;
243    postAndWait(task);
244}
245
246CREATE_BRIDGE1(destroyLayer, Layer* layer) {
247    LayerRenderer::destroyLayer(args->layer);
248    return NULL;
249}
250
251void RenderProxy::enqueueDestroyLayer(Layer* layer) {
252    SETUP_TASK(destroyLayer);
253    args->layer = layer;
254    RenderThread::getInstance().queue(task);
255}
256
257CREATE_BRIDGE3(createDisplayListLayer, CanvasContext* context, int width, int height) {
258    Layer* layer = args->context->createRenderLayer(args->width, args->height);
259    if (!layer) return 0;
260    return new DeferredLayerUpdater(layer, RenderProxy::enqueueDestroyLayer);
261}
262
263DeferredLayerUpdater* RenderProxy::createDisplayListLayer(int width, int height) {
264    SETUP_TASK(createDisplayListLayer);
265    args->width = width;
266    args->height = height;
267    args->context = mContext;
268    void* retval = postAndWait(task);
269    DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(retval);
270    return layer;
271}
272
273CREATE_BRIDGE1(createTextureLayer, CanvasContext* context) {
274    Layer* layer = args->context->createTextureLayer();
275    if (!layer) return 0;
276    return new DeferredLayerUpdater(layer, RenderProxy::enqueueDestroyLayer);
277}
278
279DeferredLayerUpdater* RenderProxy::createTextureLayer() {
280    SETUP_TASK(createTextureLayer);
281    args->context = mContext;
282    void* retval = postAndWait(task);
283    DeferredLayerUpdater* layer = reinterpret_cast<DeferredLayerUpdater*>(retval);
284    return layer;
285}
286
287CREATE_BRIDGE3(copyLayerInto, CanvasContext* context, DeferredLayerUpdater* layer,
288        SkBitmap* bitmap) {
289    bool success = args->context->copyLayerInto(args->layer, args->bitmap);
290    return (void*) success;
291}
292
293bool RenderProxy::copyLayerInto(DeferredLayerUpdater* layer, SkBitmap* bitmap) {
294    SETUP_TASK(copyLayerInto);
295    args->context = mContext;
296    args->layer = layer;
297    args->bitmap = bitmap;
298    return (bool) postAndWait(task);
299}
300
301void RenderProxy::pushLayerUpdate(DeferredLayerUpdater* layer) {
302    mDrawFrameTask.pushLayerUpdate(layer);
303}
304
305void RenderProxy::cancelLayerUpdate(DeferredLayerUpdater* layer) {
306    mDrawFrameTask.removeLayerUpdate(layer);
307}
308
309CREATE_BRIDGE1(detachSurfaceTexture, DeferredLayerUpdater* layer) {
310    args->layer->detachSurfaceTexture();
311    return NULL;
312}
313
314void RenderProxy::detachSurfaceTexture(DeferredLayerUpdater* layer) {
315    SETUP_TASK(detachSurfaceTexture);
316    args->layer = layer;
317    postAndWait(task);
318}
319
320CREATE_BRIDGE1(destroyHardwareResources, CanvasContext* context) {
321    args->context->destroyHardwareResources();
322    return NULL;
323}
324
325void RenderProxy::destroyHardwareResources() {
326    SETUP_TASK(destroyHardwareResources);
327    args->context = mContext;
328    post(task);
329}
330
331CREATE_BRIDGE2(timMemory, RenderThread* thread, int level) {
332    CanvasContext::trimMemory(*args->thread, args->level);
333    return NULL;
334}
335
336void RenderProxy::trimMemory(int level) {
337    // Avoid creating a RenderThread to do a trimMemory.
338    if (RenderThread::hasInstance()) {
339        RenderThread& thread = RenderThread::getInstance();
340        SETUP_TASK(timMemory);
341        args->thread = &thread;
342        args->level = level;
343        thread.queue(task);
344    }
345}
346
347CREATE_BRIDGE0(fence) {
348    // Intentionally empty
349    return NULL;
350}
351
352void RenderProxy::fence() {
353    SETUP_TASK(fence);
354    postAndWait(task);
355}
356
357CREATE_BRIDGE1(stopDrawing, CanvasContext* context) {
358    args->context->stopDrawing();
359    return NULL;
360}
361
362void RenderProxy::stopDrawing() {
363    SETUP_TASK(stopDrawing);
364    args->context = mContext;
365    postAndWait(task);
366}
367
368CREATE_BRIDGE1(notifyFramePending, CanvasContext* context) {
369    args->context->notifyFramePending();
370    return NULL;
371}
372
373void RenderProxy::notifyFramePending() {
374    SETUP_TASK(notifyFramePending);
375    args->context = mContext;
376    mRenderThread.queueAtFront(task);
377}
378
379CREATE_BRIDGE2(dumpProfileInfo, CanvasContext* context, int fd) {
380    args->context->profiler().dumpData(args->fd);
381    return NULL;
382}
383
384void RenderProxy::dumpProfileInfo(int fd) {
385    SETUP_TASK(dumpProfileInfo);
386    args->context = mContext;
387    args->fd = fd;
388    postAndWait(task);
389}
390
391CREATE_BRIDGE4(setTextureAtlas, RenderThread* thread, GraphicBuffer* buffer, int64_t* map, size_t size) {
392    CanvasContext::setTextureAtlas(*args->thread, args->buffer, args->map, args->size);
393    args->buffer->decStrong(0);
394    return NULL;
395}
396
397void RenderProxy::setTextureAtlas(const sp<GraphicBuffer>& buffer, int64_t* map, size_t size) {
398    SETUP_TASK(setTextureAtlas);
399    args->thread = &mRenderThread;
400    args->buffer = buffer.get();
401    args->buffer->incStrong(0);
402    args->map = map;
403    args->size = size;
404    post(task);
405}
406
407void RenderProxy::post(RenderTask* task) {
408    mRenderThread.queue(task);
409}
410
411void* RenderProxy::postAndWait(MethodInvokeRenderTask* task) {
412    void* retval;
413    task->setReturnPtr(&retval);
414    SignalingRenderTask syncTask(task, &mSyncMutex, &mSyncCondition);
415    AutoMutex _lock(mSyncMutex);
416    mRenderThread.queue(&syncTask);
417    mSyncCondition.wait(mSyncMutex);
418    return retval;
419}
420
421} /* namespace renderthread */
422} /* namespace uirenderer */
423} /* namespace android */
424