IGraphicBufferProducer_test.cpp revision 3827379b2e414b4c96793dd3555302638db02562 
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 "IGraphicBufferProducer_test"
18//#define LOG_NDEBUG 0
19
20#include <gtest/gtest.h>
21
22#include <utils/String8.h>
23#include <utils/threads.h>
24
25#include <ui/GraphicBuffer.h>
26
27#include <gui/BufferQueue.h>
28#include <gui/IProducerListener.h>
29
30#include <vector>
31
32#define ASSERT_OK(x) ASSERT_EQ(OK, (x))
33#define EXPECT_OK(x) EXPECT_EQ(OK, (x))
34
35#define TEST_TOKEN ((IProducerListener*)(NULL))
36#define TEST_API NATIVE_WINDOW_API_CPU
37#define TEST_API_OTHER NATIVE_WINDOW_API_EGL // valid API that's not TEST_API
38#define TEST_CONTROLLED_BY_APP false
39#define TEST_PRODUCER_USAGE_BITS (0)
40
41namespace android {
42
43namespace {
44    // Default dimensions before setDefaultBufferSize is called
45    const uint32_t DEFAULT_WIDTH = 1;
46    const uint32_t DEFAULT_HEIGHT = 1;
47
48    // Default format before setDefaultBufferFormat is called
49    const PixelFormat DEFAULT_FORMAT = HAL_PIXEL_FORMAT_RGBA_8888;
50
51    // Default transform hint before setTransformHint is called
52    const uint32_t DEFAULT_TRANSFORM_HINT = 0;
53
54    // TODO: Make these constants in header
55    const int DEFAULT_CONSUMER_USAGE_BITS = 0;
56
57    // Parameters for a generic "valid" input for queueBuffer.
58    const int64_t QUEUE_BUFFER_INPUT_TIMESTAMP = 1384888611;
59    const bool QUEUE_BUFFER_INPUT_IS_AUTO_TIMESTAMP = false;
60    const android_dataspace QUEUE_BUFFER_INPUT_DATASPACE = HAL_DATASPACE_UNKNOWN;
61    const Rect QUEUE_BUFFER_INPUT_RECT = Rect(DEFAULT_WIDTH, DEFAULT_HEIGHT);
62    const int QUEUE_BUFFER_INPUT_SCALING_MODE = 0;
63    const int QUEUE_BUFFER_INPUT_TRANSFORM = 0;
64    const sp<Fence> QUEUE_BUFFER_INPUT_FENCE = Fence::NO_FENCE;
65}; // namespace anonymous
66
67struct DummyConsumer : public BnConsumerListener {
68    virtual void onFrameAvailable(const BufferItem& /* item */) {}
69    virtual void onBuffersReleased() {}
70    virtual void onSidebandStreamChanged() {}
71};
72
73class IGraphicBufferProducerTest : public ::testing::Test {
74protected:
75
76    IGraphicBufferProducerTest() {}
77
78    virtual void SetUp() {
79        const ::testing::TestInfo* const testInfo =
80            ::testing::UnitTest::GetInstance()->current_test_info();
81        ALOGV("Begin test: %s.%s", testInfo->test_case_name(),
82                testInfo->name());
83
84        mDC = new DummyConsumer;
85
86        BufferQueue::createBufferQueue(&mProducer, &mConsumer);
87
88        // Test check: Can't connect producer if no consumer yet
89        ASSERT_EQ(NO_INIT, TryConnectProducer());
90
91        // Must connect consumer before producer connects will succeed.
92        ASSERT_OK(mConsumer->consumerConnect(mDC, /*controlledByApp*/false));
93    }
94
95    virtual void TearDown() {
96        const ::testing::TestInfo* const testInfo =
97            ::testing::UnitTest::GetInstance()->current_test_info();
98        ALOGV("End test:   %s.%s", testInfo->test_case_name(),
99                testInfo->name());
100    }
101
102    status_t TryConnectProducer() {
103        IGraphicBufferProducer::QueueBufferOutput output;
104        return mProducer->connect(TEST_TOKEN,
105                                  TEST_API,
106                                  TEST_CONTROLLED_BY_APP,
107                                  &output);
108        // TODO: use params to vary token, api, producercontrolledbyapp, etc
109    }
110
111    // Connect to a producer in a 'correct' fashion.
112    //   Precondition: Consumer is connected.
113    void ConnectProducer() {
114        ASSERT_OK(TryConnectProducer());
115    }
116
117    // Create a generic "valid" input for queueBuffer
118    // -- uses the default buffer format, width, etc.
119    static IGraphicBufferProducer::QueueBufferInput CreateBufferInput() {
120        return QueueBufferInputBuilder().build();
121    }
122
123    // Builder pattern to slightly vary *almost* correct input
124    // -- avoids copying and pasting
125    struct QueueBufferInputBuilder {
126        QueueBufferInputBuilder() {
127           timestamp = QUEUE_BUFFER_INPUT_TIMESTAMP;
128           isAutoTimestamp = QUEUE_BUFFER_INPUT_IS_AUTO_TIMESTAMP;
129           dataSpace = QUEUE_BUFFER_INPUT_DATASPACE;
130           crop = QUEUE_BUFFER_INPUT_RECT;
131           scalingMode = QUEUE_BUFFER_INPUT_SCALING_MODE;
132           transform = QUEUE_BUFFER_INPUT_TRANSFORM;
133           fence = QUEUE_BUFFER_INPUT_FENCE;
134        }
135
136        IGraphicBufferProducer::QueueBufferInput build() {
137            return IGraphicBufferProducer::QueueBufferInput(
138                    timestamp,
139                    isAutoTimestamp,
140                    dataSpace,
141                    crop,
142                    scalingMode,
143                    transform,
144                    fence);
145        }
146
147        QueueBufferInputBuilder& setTimestamp(int64_t timestamp) {
148            this->timestamp = timestamp;
149            return *this;
150        }
151
152        QueueBufferInputBuilder& setIsAutoTimestamp(bool isAutoTimestamp) {
153            this->isAutoTimestamp = isAutoTimestamp;
154            return *this;
155        }
156
157        QueueBufferInputBuilder& setDataSpace(android_dataspace dataSpace) {
158            this->dataSpace = dataSpace;
159            return *this;
160        }
161
162        QueueBufferInputBuilder& setCrop(Rect crop) {
163            this->crop = crop;
164            return *this;
165        }
166
167        QueueBufferInputBuilder& setScalingMode(int scalingMode) {
168            this->scalingMode = scalingMode;
169            return *this;
170        }
171
172        QueueBufferInputBuilder& setTransform(uint32_t transform) {
173            this->transform = transform;
174            return *this;
175        }
176
177        QueueBufferInputBuilder& setFence(sp<Fence> fence) {
178            this->fence = fence;
179            return *this;
180        }
181
182    private:
183        int64_t timestamp;
184        bool isAutoTimestamp;
185        android_dataspace dataSpace;
186        Rect crop;
187        int scalingMode;
188        uint32_t transform;
189        sp<Fence> fence;
190    }; // struct QueueBufferInputBuilder
191
192    // To easily store dequeueBuffer results into containers
193    struct DequeueBufferResult {
194        int slot;
195        sp<Fence> fence;
196    };
197
198    status_t dequeueBuffer(uint32_t w, uint32_t h, uint32_t format, uint32_t usage, DequeueBufferResult* result) {
199        return mProducer->dequeueBuffer(&result->slot, &result->fence, w, h, format, usage);
200    }
201
202    void setupDequeueRequestBuffer(int *slot, sp<Fence> *fence,
203            sp<GraphicBuffer> *buffer)
204    {
205        ASSERT_TRUE(slot != NULL);
206        ASSERT_TRUE(fence != NULL);
207        ASSERT_TRUE(buffer != NULL);
208
209        ASSERT_NO_FATAL_FAILURE(ConnectProducer());
210
211        ASSERT_EQ(OK, ~IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION &
212                (mProducer->dequeueBuffer(slot, fence, DEFAULT_WIDTH,
213                DEFAULT_HEIGHT, DEFAULT_FORMAT, TEST_PRODUCER_USAGE_BITS)));
214
215        EXPECT_LE(0, *slot);
216        EXPECT_GT(BufferQueue::NUM_BUFFER_SLOTS, *slot);
217
218        // Request the buffer (pre-requisite for queueing)
219        ASSERT_OK(mProducer->requestBuffer(*slot, buffer));
220    }
221
222private: // hide from test body
223    sp<DummyConsumer> mDC;
224
225protected: // accessible from test body
226    sp<IGraphicBufferProducer> mProducer;
227    sp<IGraphicBufferConsumer> mConsumer;
228};
229
230TEST_F(IGraphicBufferProducerTest, ConnectFirst_ReturnsError) {
231    IGraphicBufferProducer::QueueBufferOutput output;
232
233    // NULL output returns BAD_VALUE
234    EXPECT_EQ(BAD_VALUE, mProducer->connect(TEST_TOKEN,
235                                            TEST_API,
236                                            TEST_CONTROLLED_BY_APP,
237                                            /*output*/NULL));
238
239    // Invalid API returns bad value
240    EXPECT_EQ(BAD_VALUE, mProducer->connect(TEST_TOKEN,
241                                            /*api*/0xDEADBEEF,
242                                            TEST_CONTROLLED_BY_APP,
243                                            &output));
244
245    // TODO: get a token from a dead process somehow
246}
247
248TEST_F(IGraphicBufferProducerTest, ConnectAgain_ReturnsError) {
249    ASSERT_NO_FATAL_FAILURE(ConnectProducer());
250
251    // Can't connect when there is already a producer connected
252    IGraphicBufferProducer::QueueBufferOutput output;
253    EXPECT_EQ(BAD_VALUE, mProducer->connect(TEST_TOKEN,
254                                            TEST_API,
255                                            TEST_CONTROLLED_BY_APP,
256                                            &output));
257
258    ASSERT_OK(mConsumer->consumerDisconnect());
259    // Can't connect when IGBP is abandoned
260    EXPECT_EQ(NO_INIT, mProducer->connect(TEST_TOKEN,
261                                          TEST_API,
262                                          TEST_CONTROLLED_BY_APP,
263                                          &output));
264}
265
266TEST_F(IGraphicBufferProducerTest, Disconnect_Succeeds) {
267    ASSERT_NO_FATAL_FAILURE(ConnectProducer());
268
269    ASSERT_OK(mProducer->disconnect(TEST_API));
270}
271
272
273TEST_F(IGraphicBufferProducerTest, Disconnect_ReturnsError) {
274    ASSERT_NO_FATAL_FAILURE(ConnectProducer());
275
276    // Must disconnect with same API number
277    ASSERT_EQ(BAD_VALUE, mProducer->disconnect(TEST_API_OTHER));
278    // API must not be out of range
279    ASSERT_EQ(BAD_VALUE, mProducer->disconnect(/*api*/0xDEADBEEF));
280
281    // TODO: somehow kill mProducer so that this returns DEAD_OBJECT
282}
283
284TEST_F(IGraphicBufferProducerTest, Query_Succeeds) {
285    ASSERT_NO_FATAL_FAILURE(ConnectProducer());
286
287    int32_t value = -1;
288    EXPECT_OK(mProducer->query(NATIVE_WINDOW_WIDTH, &value));
289    EXPECT_EQ(DEFAULT_WIDTH, static_cast<uint32_t>(value));
290
291    EXPECT_OK(mProducer->query(NATIVE_WINDOW_HEIGHT, &value));
292    EXPECT_EQ(DEFAULT_HEIGHT, static_cast<uint32_t>(value));
293
294    EXPECT_OK(mProducer->query(NATIVE_WINDOW_FORMAT, &value));
295    EXPECT_EQ(DEFAULT_FORMAT, value);
296
297    EXPECT_OK(mProducer->query(NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS, &value));
298    EXPECT_LE(0, value);
299    EXPECT_GE(BufferQueue::NUM_BUFFER_SLOTS, value);
300
301    EXPECT_OK(mProducer->query(NATIVE_WINDOW_CONSUMER_RUNNING_BEHIND, &value));
302    EXPECT_FALSE(value); // Can't run behind when we haven't touched the queue
303
304    EXPECT_OK(mProducer->query(NATIVE_WINDOW_CONSUMER_USAGE_BITS, &value));
305    EXPECT_EQ(DEFAULT_CONSUMER_USAGE_BITS, value);
306
307}
308
309TEST_F(IGraphicBufferProducerTest, Query_ReturnsError) {
310    ASSERT_NO_FATAL_FAILURE(ConnectProducer());
311
312    // One past the end of the last 'query' enum value. Update this if we add more enums.
313    const int NATIVE_WINDOW_QUERY_LAST_OFF_BY_ONE = NATIVE_WINDOW_BUFFER_AGE + 1;
314
315    int value;
316    // What was out of range
317    EXPECT_EQ(BAD_VALUE, mProducer->query(/*what*/-1, &value));
318    EXPECT_EQ(BAD_VALUE, mProducer->query(/*what*/0xDEADBEEF, &value));
319    EXPECT_EQ(BAD_VALUE, mProducer->query(NATIVE_WINDOW_QUERY_LAST_OFF_BY_ONE, &value));
320
321    // Some enums from window.h are 'invalid'
322    EXPECT_EQ(BAD_VALUE, mProducer->query(NATIVE_WINDOW_QUEUES_TO_WINDOW_COMPOSER, &value));
323    EXPECT_EQ(BAD_VALUE, mProducer->query(NATIVE_WINDOW_CONCRETE_TYPE, &value));
324    EXPECT_EQ(BAD_VALUE, mProducer->query(NATIVE_WINDOW_DEFAULT_WIDTH, &value));
325    EXPECT_EQ(BAD_VALUE, mProducer->query(NATIVE_WINDOW_DEFAULT_HEIGHT, &value));
326    EXPECT_EQ(BAD_VALUE, mProducer->query(NATIVE_WINDOW_TRANSFORM_HINT, &value));
327    // TODO: Consider documented the above enums as unsupported or make a new enum for IGBP
328
329    // Value was NULL
330    EXPECT_EQ(BAD_VALUE, mProducer->query(NATIVE_WINDOW_FORMAT, /*value*/NULL));
331
332    ASSERT_OK(mConsumer->consumerDisconnect());
333
334    // BQ was abandoned
335    EXPECT_EQ(NO_INIT, mProducer->query(NATIVE_WINDOW_FORMAT, &value));
336
337    // TODO: other things in window.h that are supported by Surface::query
338    // but not by BufferQueue::query
339}
340
341// TODO: queue under more complicated situations not involving just a single buffer
342TEST_F(IGraphicBufferProducerTest, Queue_Succeeds) {
343    ASSERT_NO_FATAL_FAILURE(ConnectProducer());
344
345    int dequeuedSlot = -1;
346    sp<Fence> dequeuedFence;
347
348
349    ASSERT_EQ(OK, ~IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION &
350            (mProducer->dequeueBuffer(&dequeuedSlot, &dequeuedFence,
351                                     DEFAULT_WIDTH, DEFAULT_HEIGHT, DEFAULT_FORMAT,
352                                     TEST_PRODUCER_USAGE_BITS)));
353
354    EXPECT_LE(0, dequeuedSlot);
355    EXPECT_GT(BufferQueue::NUM_BUFFER_SLOTS, dequeuedSlot);
356
357    // Request the buffer (pre-requisite for queueing)
358    sp<GraphicBuffer> dequeuedBuffer;
359    ASSERT_OK(mProducer->requestBuffer(dequeuedSlot, &dequeuedBuffer));
360
361    // A generic "valid" input
362    IGraphicBufferProducer::QueueBufferInput input = CreateBufferInput();
363    IGraphicBufferProducer::QueueBufferOutput output;
364
365    // Queue the buffer back into the BQ
366    ASSERT_OK(mProducer->queueBuffer(dequeuedSlot, input, &output));
367
368    {
369        uint32_t width;
370        uint32_t height;
371        uint32_t transformHint;
372        uint32_t numPendingBuffers;
373
374        output.deflate(&width, &height, &transformHint, &numPendingBuffers);
375
376        EXPECT_EQ(DEFAULT_WIDTH, width);
377        EXPECT_EQ(DEFAULT_HEIGHT, height);
378        EXPECT_EQ(DEFAULT_TRANSFORM_HINT, transformHint);
379        EXPECT_EQ(1u, numPendingBuffers); // since queueBuffer was called exactly once
380    }
381
382    // Buffer was not in the dequeued state
383    EXPECT_EQ(BAD_VALUE, mProducer->queueBuffer(dequeuedSlot, input, &output));
384}
385
386TEST_F(IGraphicBufferProducerTest, Queue_ReturnsError) {
387    ASSERT_NO_FATAL_FAILURE(ConnectProducer());
388
389    // Invalid slot number
390    {
391        // A generic "valid" input
392        IGraphicBufferProducer::QueueBufferInput input = CreateBufferInput();
393        IGraphicBufferProducer::QueueBufferOutput output;
394
395        EXPECT_EQ(BAD_VALUE, mProducer->queueBuffer(/*slot*/-1, input, &output));
396        EXPECT_EQ(BAD_VALUE, mProducer->queueBuffer(/*slot*/0xDEADBEEF, input, &output));
397        EXPECT_EQ(BAD_VALUE, mProducer->queueBuffer(BufferQueue::NUM_BUFFER_SLOTS,
398                                                    input, &output));
399    }
400
401    // Slot was not in the dequeued state (all slots start out in Free state)
402    {
403        IGraphicBufferProducer::QueueBufferInput input = CreateBufferInput();
404        IGraphicBufferProducer::QueueBufferOutput output;
405
406        EXPECT_EQ(BAD_VALUE, mProducer->queueBuffer(/*slot*/0, input, &output));
407    }
408
409    // Put the slot into the "dequeued" state for the rest of the test
410    int dequeuedSlot = -1;
411    sp<Fence> dequeuedFence;
412
413    ASSERT_EQ(OK, ~IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION &
414            (mProducer->dequeueBuffer(&dequeuedSlot, &dequeuedFence,
415                                     DEFAULT_WIDTH, DEFAULT_HEIGHT, DEFAULT_FORMAT,
416                                     TEST_PRODUCER_USAGE_BITS)));
417
418    // Slot was enqueued without requesting a buffer
419    {
420        IGraphicBufferProducer::QueueBufferInput input = CreateBufferInput();
421        IGraphicBufferProducer::QueueBufferOutput output;
422
423        EXPECT_EQ(BAD_VALUE, mProducer->queueBuffer(dequeuedSlot, input, &output));
424    }
425
426    // Request the buffer so that the rest of the tests don't fail on earlier checks.
427    sp<GraphicBuffer> dequeuedBuffer;
428    ASSERT_OK(mProducer->requestBuffer(dequeuedSlot, &dequeuedBuffer));
429
430    // Fence was NULL
431    {
432        sp<Fence> nullFence = NULL;
433
434        IGraphicBufferProducer::QueueBufferInput input =
435                QueueBufferInputBuilder().setFence(nullFence).build();
436        IGraphicBufferProducer::QueueBufferOutput output;
437
438        EXPECT_EQ(BAD_VALUE, mProducer->queueBuffer(dequeuedSlot, input, &output));
439    }
440
441    // Scaling mode was unknown
442    {
443        IGraphicBufferProducer::QueueBufferInput input =
444                QueueBufferInputBuilder().setScalingMode(-1).build();
445        IGraphicBufferProducer::QueueBufferOutput output;
446
447        EXPECT_EQ(BAD_VALUE, mProducer->queueBuffer(dequeuedSlot, input, &output));
448
449        input = QueueBufferInputBuilder().setScalingMode(0xDEADBEEF).build();
450
451        EXPECT_EQ(BAD_VALUE, mProducer->queueBuffer(dequeuedSlot, input, &output));
452    }
453
454    // Crop rect is out of bounds of the buffer dimensions
455    {
456        IGraphicBufferProducer::QueueBufferInput input =
457                QueueBufferInputBuilder().setCrop(Rect(DEFAULT_WIDTH + 1, DEFAULT_HEIGHT + 1))
458                .build();
459        IGraphicBufferProducer::QueueBufferOutput output;
460
461        EXPECT_EQ(BAD_VALUE, mProducer->queueBuffer(dequeuedSlot, input, &output));
462    }
463
464    // Abandon the buffer queue so that the last test fails
465    ASSERT_OK(mConsumer->consumerDisconnect());
466
467    // The buffer queue has been abandoned.
468    {
469        IGraphicBufferProducer::QueueBufferInput input = CreateBufferInput();
470        IGraphicBufferProducer::QueueBufferOutput output;
471
472        EXPECT_EQ(NO_INIT, mProducer->queueBuffer(dequeuedSlot, input, &output));
473    }
474}
475
476TEST_F(IGraphicBufferProducerTest, CancelBuffer_DoesntCrash) {
477    ASSERT_NO_FATAL_FAILURE(ConnectProducer());
478
479    int dequeuedSlot = -1;
480    sp<Fence> dequeuedFence;
481
482    ASSERT_EQ(OK, ~IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION &
483            (mProducer->dequeueBuffer(&dequeuedSlot, &dequeuedFence,
484                                     DEFAULT_WIDTH, DEFAULT_HEIGHT, DEFAULT_FORMAT,
485                                     TEST_PRODUCER_USAGE_BITS)));
486
487    // No return code, but at least test that it doesn't blow up...
488    // TODO: add a return code
489    mProducer->cancelBuffer(dequeuedSlot, dequeuedFence);
490}
491
492TEST_F(IGraphicBufferProducerTest, SetMaxDequeuedBufferCount_Succeeds) {
493    ASSERT_NO_FATAL_FAILURE(ConnectProducer());
494    int minUndequeuedBuffers;
495    ASSERT_OK(mProducer->query(NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS,
496            &minUndequeuedBuffers));
497
498    const int minBuffers = 1;
499    const int maxBuffers = BufferQueue::NUM_BUFFER_SLOTS - minUndequeuedBuffers;
500
501    ASSERT_OK(mProducer->setAsyncMode(false)) << "async mode: " << false;
502    ASSERT_OK(mProducer->setMaxDequeuedBufferCount(minBuffers))
503            << "bufferCount: " << minBuffers;
504
505    // Should now be able to dequeue up to minBuffers times
506    DequeueBufferResult result;
507    for (int i = 0; i < minBuffers; ++i) {
508
509        EXPECT_EQ(OK, ~IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION &
510                (dequeueBuffer(DEFAULT_WIDTH, DEFAULT_HEIGHT, DEFAULT_FORMAT,
511                              TEST_PRODUCER_USAGE_BITS, &result)))
512                << "iteration: " << i << ", slot: " << result.slot;
513    }
514
515    ASSERT_OK(mProducer->setMaxDequeuedBufferCount(maxBuffers));
516
517    // queue the first buffer to enable max dequeued buffer count checking
518    IGraphicBufferProducer::QueueBufferInput input = CreateBufferInput();
519    IGraphicBufferProducer::QueueBufferOutput output;
520    sp<GraphicBuffer> buffer;
521    ASSERT_OK(mProducer->requestBuffer(result.slot, &buffer));
522    ASSERT_OK(mProducer->queueBuffer(result.slot, input, &output));
523
524
525    // Should now be able to dequeue up to maxBuffers times
526    int dequeuedSlot = -1;
527    sp<Fence> dequeuedFence;
528    for (int i = 0; i < maxBuffers; ++i) {
529
530        EXPECT_EQ(OK, ~IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION &
531                (mProducer->dequeueBuffer(&dequeuedSlot, &dequeuedFence,
532                                         DEFAULT_WIDTH, DEFAULT_HEIGHT,
533                                         DEFAULT_FORMAT,
534                                         TEST_PRODUCER_USAGE_BITS)))
535                << "iteration: " << i << ", slot: " << dequeuedSlot;
536    }
537
538    // Cancel a buffer, so we can decrease the buffer count
539    ASSERT_OK(mProducer->cancelBuffer(dequeuedSlot, dequeuedFence));
540
541    // Should now be able to decrease the max dequeued count by 1
542    ASSERT_OK(mProducer->setMaxDequeuedBufferCount(maxBuffers-1));
543}
544
545TEST_F(IGraphicBufferProducerTest, SetMaxDequeuedBufferCount_Fails) {
546    ASSERT_NO_FATAL_FAILURE(ConnectProducer());
547    int minUndequeuedBuffers;
548    ASSERT_OK(mProducer->query(NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS,
549                               &minUndequeuedBuffers));
550
551    const int minBuffers = 1;
552    const int maxBuffers = BufferQueue::NUM_BUFFER_SLOTS - minUndequeuedBuffers;
553
554    ASSERT_OK(mProducer->setAsyncMode(false)) << "async mode: " << false;
555    // Buffer count was out of range
556    EXPECT_EQ(BAD_VALUE, mProducer->setMaxDequeuedBufferCount(0))
557            << "bufferCount: " << 0;
558    EXPECT_EQ(BAD_VALUE, mProducer->setMaxDequeuedBufferCount(maxBuffers + 1))
559            << "bufferCount: " << maxBuffers + 1;
560
561    // Set max dequeue count to 2
562    ASSERT_OK(mProducer->setMaxDequeuedBufferCount(2));
563    // Dequeue 2 buffers
564    int dequeuedSlot = -1;
565    sp<Fence> dequeuedFence;
566    for (int i = 0; i < 2; i++) {
567        ASSERT_EQ(OK, ~IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION &
568                (mProducer->dequeueBuffer(&dequeuedSlot, &dequeuedFence,
569                                         DEFAULT_WIDTH, DEFAULT_HEIGHT,
570                                         DEFAULT_FORMAT,
571                                         TEST_PRODUCER_USAGE_BITS)))
572                << "slot: " << dequeuedSlot;
573    }
574
575    // Client has too many buffers dequeued
576    EXPECT_EQ(BAD_VALUE, mProducer->setMaxDequeuedBufferCount(1))
577            << "bufferCount: " << minBuffers;
578
579    // Abandon buffer queue
580    ASSERT_OK(mConsumer->consumerDisconnect());
581
582    // Fail because the buffer queue was abandoned
583    EXPECT_EQ(NO_INIT, mProducer->setMaxDequeuedBufferCount(minBuffers))
584            << "bufferCount: " << minBuffers;
585
586}
587
588TEST_F(IGraphicBufferProducerTest, SetAsyncMode_Succeeds) {
589    ASSERT_OK(mConsumer->setMaxAcquiredBufferCount(1)) << "maxAcquire: " << 1;
590    ASSERT_NO_FATAL_FAILURE(ConnectProducer());
591    ASSERT_OK(mProducer->setAsyncMode(true)) << "async mode: " << true;
592    ASSERT_OK(mProducer->setMaxDequeuedBufferCount(1)) << "maxDequeue: " << 1;
593
594    int dequeuedSlot = -1;
595    sp<Fence> dequeuedFence;
596    IGraphicBufferProducer::QueueBufferInput input = CreateBufferInput();
597    IGraphicBufferProducer::QueueBufferOutput output;
598    sp<GraphicBuffer> dequeuedBuffer;
599
600    // Should now be able to queue/dequeue as many buffers as we want without
601    // blocking
602    for (int i = 0; i < 5; ++i) {
603        ASSERT_EQ(OK, ~IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION &
604                (mProducer->dequeueBuffer(&dequeuedSlot, &dequeuedFence,
605                DEFAULT_WIDTH, DEFAULT_HEIGHT, DEFAULT_FORMAT,
606                TEST_PRODUCER_USAGE_BITS))) << "slot : " << dequeuedSlot;
607        ASSERT_OK(mProducer->requestBuffer(dequeuedSlot, &dequeuedBuffer));
608        ASSERT_OK(mProducer->queueBuffer(dequeuedSlot, input, &output));
609    }
610}
611
612TEST_F(IGraphicBufferProducerTest, SetAsyncMode_Fails) {
613    ASSERT_NO_FATAL_FAILURE(ConnectProducer());
614    // Prerequisite to fail out a valid setBufferCount call
615    {
616        int dequeuedSlot = -1;
617        sp<Fence> dequeuedFence;
618
619        ASSERT_EQ(OK, ~IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION &
620                (mProducer->dequeueBuffer(&dequeuedSlot, &dequeuedFence,
621                DEFAULT_WIDTH, DEFAULT_HEIGHT, DEFAULT_FORMAT,
622                TEST_PRODUCER_USAGE_BITS))) << "slot: " << dequeuedSlot;
623    }
624
625    // Abandon buffer queue
626    ASSERT_OK(mConsumer->consumerDisconnect());
627
628    // Fail because the buffer queue was abandoned
629    EXPECT_EQ(NO_INIT, mProducer->setAsyncMode(false)) << "asyncMode: "
630            << false;
631}
632
633TEST_F(IGraphicBufferProducerTest,
634        DisconnectedProducerReturnsError_dequeueBuffer) {
635    int slot = -1;
636    sp<Fence> fence;
637
638    ASSERT_EQ(NO_INIT, mProducer->dequeueBuffer(&slot, &fence, DEFAULT_WIDTH,
639            DEFAULT_HEIGHT, DEFAULT_FORMAT, TEST_PRODUCER_USAGE_BITS));
640}
641
642TEST_F(IGraphicBufferProducerTest,
643        DisconnectedProducerReturnsError_detachNextBuffer) {
644    sp<Fence> fence;
645    sp<GraphicBuffer> buffer;
646
647    ASSERT_EQ(NO_INIT, mProducer->detachNextBuffer(&buffer, &fence));
648}
649
650TEST_F(IGraphicBufferProducerTest,
651        DisconnectedProducerReturnsError_requestBuffer) {
652    ASSERT_NO_FATAL_FAILURE(ConnectProducer());
653
654    int slot = -1;
655    sp<Fence> fence;
656
657    ASSERT_EQ(OK, ~IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION &
658            (mProducer->dequeueBuffer(&slot, &fence, DEFAULT_WIDTH,
659            DEFAULT_HEIGHT, DEFAULT_FORMAT, TEST_PRODUCER_USAGE_BITS)));
660
661    EXPECT_LE(0, slot);
662    EXPECT_GT(BufferQueue::NUM_BUFFER_SLOTS, slot);
663
664    ASSERT_OK(mProducer->disconnect(TEST_API));
665
666    sp<GraphicBuffer> buffer;
667
668    ASSERT_EQ(NO_INIT, mProducer->requestBuffer(slot, &buffer));
669}
670
671
672TEST_F(IGraphicBufferProducerTest,
673        DisconnectedProducerReturnsError_detachBuffer) {
674    int slot = -1;
675    sp<Fence> fence;
676    sp<GraphicBuffer> buffer;
677
678    setupDequeueRequestBuffer(&slot, &fence, &buffer);
679
680    ASSERT_OK(mProducer->disconnect(TEST_API));
681
682    ASSERT_EQ(NO_INIT, mProducer->detachBuffer(slot));
683}
684
685TEST_F(IGraphicBufferProducerTest,
686        DisconnectedProducerReturnsError_queueBuffer) {
687    int slot = -1;
688    sp<Fence> fence;
689    sp<GraphicBuffer> buffer;
690
691    setupDequeueRequestBuffer(&slot, &fence, &buffer);
692
693    ASSERT_OK(mProducer->disconnect(TEST_API));
694
695    // A generic "valid" input
696    IGraphicBufferProducer::QueueBufferInput input = CreateBufferInput();
697    IGraphicBufferProducer::QueueBufferOutput output;
698
699    ASSERT_EQ(NO_INIT, mProducer->queueBuffer(slot, input, &output));
700}
701
702TEST_F(IGraphicBufferProducerTest,
703        DisconnectedProducerReturnsError_cancelBuffer) {
704    int slot = -1;
705    sp<Fence> fence;
706    sp<GraphicBuffer> buffer;
707
708    setupDequeueRequestBuffer(&slot, &fence, &buffer);
709
710    ASSERT_OK(mProducer->disconnect(TEST_API));
711
712    ASSERT_EQ(NO_INIT, mProducer->cancelBuffer(slot, fence));
713}
714
715TEST_F(IGraphicBufferProducerTest,
716        DisconnectedProducerReturnsError_attachBuffer) {
717    int slot = -1;
718    sp<Fence> fence;
719    sp<GraphicBuffer> buffer;
720
721    setupDequeueRequestBuffer(&slot, &fence, &buffer);
722
723    ASSERT_OK(mProducer->detachBuffer(slot));
724
725    ASSERT_OK(mProducer->disconnect(TEST_API));
726
727    ASSERT_EQ(NO_INIT, mProducer->attachBuffer(&slot, buffer));
728}
729
730} // namespace android
731