1/*
2 * Copyright 2014 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 "MessageQueue.h"
18#include "MonitoredProducer.h"
19#include "SurfaceFlinger.h"
20
21namespace android {
22
23MonitoredProducer::MonitoredProducer(const sp<IGraphicBufferProducer>& producer,
24        const sp<SurfaceFlinger>& flinger) :
25    mProducer(producer),
26    mFlinger(flinger) {}
27
28MonitoredProducer::~MonitoredProducer() {
29    // Remove ourselves from SurfaceFlinger's list. We do this asynchronously
30    // because we don't know where this destructor is called from. It could be
31    // called with the mStateLock held, leading to a dead-lock (it actually
32    // happens).
33    class MessageCleanUpList : public MessageBase {
34    public:
35        MessageCleanUpList(const sp<SurfaceFlinger>& flinger,
36                const wp<IBinder>& producer)
37            : mFlinger(flinger), mProducer(producer) {}
38
39        virtual ~MessageCleanUpList() {}
40
41        virtual bool handler() {
42            Mutex::Autolock _l(mFlinger->mStateLock);
43            mFlinger->mGraphicBufferProducerList.remove(mProducer);
44            return true;
45        }
46
47    private:
48        sp<SurfaceFlinger> mFlinger;
49        wp<IBinder> mProducer;
50    };
51
52    mFlinger->postMessageAsync(new MessageCleanUpList(mFlinger, asBinder(this)));
53}
54
55status_t MonitoredProducer::requestBuffer(int slot, sp<GraphicBuffer>* buf) {
56    return mProducer->requestBuffer(slot, buf);
57}
58
59status_t MonitoredProducer::setMaxDequeuedBufferCount(
60        int maxDequeuedBuffers) {
61    return mProducer->setMaxDequeuedBufferCount(maxDequeuedBuffers);
62}
63
64status_t MonitoredProducer::setAsyncMode(bool async) {
65    return mProducer->setAsyncMode(async);
66}
67
68status_t MonitoredProducer::dequeueBuffer(int* slot, sp<Fence>* fence,
69        uint32_t w, uint32_t h, PixelFormat format, uint32_t usage) {
70    return mProducer->dequeueBuffer(slot, fence, w, h, format, usage);
71}
72
73status_t MonitoredProducer::detachBuffer(int slot) {
74    return mProducer->detachBuffer(slot);
75}
76
77status_t MonitoredProducer::detachNextBuffer(sp<GraphicBuffer>* outBuffer,
78        sp<Fence>* outFence) {
79    return mProducer->detachNextBuffer(outBuffer, outFence);
80}
81
82status_t MonitoredProducer::attachBuffer(int* outSlot,
83        const sp<GraphicBuffer>& buffer) {
84    return mProducer->attachBuffer(outSlot, buffer);
85}
86
87status_t MonitoredProducer::queueBuffer(int slot, const QueueBufferInput& input,
88        QueueBufferOutput* output) {
89    return mProducer->queueBuffer(slot, input, output);
90}
91
92status_t MonitoredProducer::cancelBuffer(int slot, const sp<Fence>& fence) {
93    return mProducer->cancelBuffer(slot, fence);
94}
95
96int MonitoredProducer::query(int what, int* value) {
97    return mProducer->query(what, value);
98}
99
100status_t MonitoredProducer::connect(const sp<IProducerListener>& listener,
101        int api, bool producerControlledByApp, QueueBufferOutput* output) {
102    return mProducer->connect(listener, api, producerControlledByApp, output);
103}
104
105status_t MonitoredProducer::disconnect(int api) {
106    return mProducer->disconnect(api);
107}
108
109status_t MonitoredProducer::setSidebandStream(const sp<NativeHandle>& stream) {
110    return mProducer->setSidebandStream(stream);
111}
112
113void MonitoredProducer::allocateBuffers(uint32_t width, uint32_t height,
114        PixelFormat format, uint32_t usage) {
115    mProducer->allocateBuffers(width, height, format, usage);
116}
117
118status_t MonitoredProducer::allowAllocation(bool allow) {
119    return mProducer->allowAllocation(allow);
120}
121
122status_t MonitoredProducer::setGenerationNumber(uint32_t generationNumber) {
123    return mProducer->setGenerationNumber(generationNumber);
124}
125
126String8 MonitoredProducer::getConsumerName() const {
127    return mProducer->getConsumerName();
128}
129
130uint64_t MonitoredProducer::getNextFrameNumber() const {
131    return mProducer->getNextFrameNumber();
132}
133
134status_t MonitoredProducer::setSharedBufferMode(bool sharedBufferMode) {
135    return mProducer->setSharedBufferMode(sharedBufferMode);
136}
137
138status_t MonitoredProducer::setAutoRefresh(bool autoRefresh) {
139    return mProducer->setAutoRefresh(autoRefresh);
140}
141
142status_t MonitoredProducer::setDequeueTimeout(nsecs_t timeout) {
143    return mProducer->setDequeueTimeout(timeout);
144}
145
146status_t MonitoredProducer::getLastQueuedBuffer(sp<GraphicBuffer>* outBuffer,
147        sp<Fence>* outFence, float outTransformMatrix[16]) {
148    return mProducer->getLastQueuedBuffer(outBuffer, outFence,
149            outTransformMatrix);
150}
151
152status_t MonitoredProducer::getUniqueId(uint64_t* outId) const {
153    return mProducer->getUniqueId(outId);
154}
155
156IBinder* MonitoredProducer::onAsBinder() {
157    return IInterface::asBinder(mProducer).get();
158}
159
160// ---------------------------------------------------------------------------
161}; // namespace android
162