CpuConsumer_test.cpp revision d8e812ce6fe9ae0388e98b08456e1d18b9498239 
1/*
2 * Copyright (C) 2012 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 "CpuConsumer_test"
18//#define LOG_NDEBUG 0
19//#define LOG_NNDEBUG 0
20
21#ifdef LOG_NNDEBUG
22#define ALOGVV(...) ALOGV(__VA_ARGS__)
23#else
24#define ALOGVV(...) ((void)0)
25#endif
26
27#include <gtest/gtest.h>
28#include <gui/CpuConsumer.h>
29#include <gui/SurfaceTextureClient.h>
30#include <ui/GraphicBuffer.h>
31#include <utils/String8.h>
32#include <utils/Thread.h>
33#include <utils/Mutex.h>
34#include <utils/Condition.h>
35
36#include <ui/FramebufferNativeWindow.h>
37
38namespace android {
39
40struct CpuConsumerTestParams {
41    uint32_t width;
42    uint32_t height;
43    int maxLockedBuffers;
44    PixelFormat format;
45};
46
47::std::ostream& operator<<(::std::ostream& os, const CpuConsumerTestParams& p) {
48    return os << "[ (" << p.width << ", " << p.height << "), B:"
49              << p.maxLockedBuffers << ", F:0x"
50              << ::std::hex << p.format << "]";
51}
52
53class CpuConsumerTest : public ::testing::TestWithParam<CpuConsumerTestParams> {
54protected:
55
56    virtual void SetUp() {
57        const ::testing::TestInfo* const test_info =
58                ::testing::UnitTest::GetInstance()->current_test_info();
59        CpuConsumerTestParams params = GetParam();
60        ALOGV("** Starting test %s (%d x %d, %d, 0x%x)",
61                test_info->name(),
62                params.width, params.height,
63                params.maxLockedBuffers, params.format);
64        mCC = new CpuConsumer(params.maxLockedBuffers);
65        String8 name("CpuConsumer_Under_Test");
66        mCC->setName(name);
67        mSTC = new SurfaceTextureClient(mCC->getProducerInterface());
68        mANW = mSTC;
69    }
70
71    virtual void TearDown() {
72        mANW.clear();
73        mSTC.clear();
74        mCC.clear();
75    }
76
77    class FrameWaiter : public CpuConsumer::FrameAvailableListener {
78    public:
79        FrameWaiter():
80                mPendingFrames(0) {
81        }
82
83        void waitForFrame() {
84            Mutex::Autolock lock(mMutex);
85            while (mPendingFrames == 0) {
86                mCondition.wait(mMutex);
87            }
88            mPendingFrames--;
89        }
90
91        virtual void onFrameAvailable() {
92            Mutex::Autolock lock(mMutex);
93            mPendingFrames++;
94            mCondition.signal();
95        }
96
97        int mPendingFrames;
98        Mutex mMutex;
99        Condition mCondition;
100    };
101
102    // Note that SurfaceTexture will lose the notifications
103    // onBuffersReleased and onFrameAvailable as there is currently
104    // no way to forward the events.  This DisconnectWaiter will not let the
105    // disconnect finish until finishDisconnect() is called.  It will
106    // also block until a disconnect is called
107    class DisconnectWaiter : public BufferQueue::ConsumerListener {
108    public:
109        DisconnectWaiter () :
110            mWaitForDisconnect(false),
111            mPendingFrames(0) {
112        }
113
114        void waitForFrame() {
115            Mutex::Autolock lock(mMutex);
116            while (mPendingFrames == 0) {
117                mFrameCondition.wait(mMutex);
118            }
119            mPendingFrames--;
120        }
121
122        virtual void onFrameAvailable() {
123            Mutex::Autolock lock(mMutex);
124            mPendingFrames++;
125            mFrameCondition.signal();
126        }
127
128        virtual void onBuffersReleased() {
129            Mutex::Autolock lock(mMutex);
130            while (!mWaitForDisconnect) {
131                mDisconnectCondition.wait(mMutex);
132            }
133        }
134
135        void finishDisconnect() {
136            Mutex::Autolock lock(mMutex);
137            mWaitForDisconnect = true;
138            mDisconnectCondition.signal();
139        }
140
141    private:
142        Mutex mMutex;
143
144        bool mWaitForDisconnect;
145        Condition mDisconnectCondition;
146
147        int mPendingFrames;
148        Condition mFrameCondition;
149    };
150
151    sp<CpuConsumer> mCC;
152    sp<SurfaceTextureClient> mSTC;
153    sp<ANativeWindow> mANW;
154};
155
156#define ASSERT_NO_ERROR(err, msg) \
157    ASSERT_EQ(NO_ERROR, err) << msg << strerror(-err)
158
159void checkPixel(const CpuConsumer::LockedBuffer &buf,
160        uint32_t x, uint32_t y, uint32_t r, uint32_t g, uint32_t b) {
161    // Ignores components that don't exist for given pixel
162    switch(buf.format) {
163        case HAL_PIXEL_FORMAT_RAW_SENSOR: {
164            String8 msg;
165            uint16_t *bPtr = (uint16_t*)buf.data;
166            bPtr += y * buf.stride + x;
167            // GRBG Bayer mosaic; only check the matching channel
168            switch( ((y & 1) << 1) | (x & 1) ) {
169                case 0: // G
170                case 3: // G
171                    EXPECT_EQ(g, *bPtr);
172                    break;
173                case 1: // R
174                    EXPECT_EQ(r, *bPtr);
175                    break;
176                case 2: // B
177                    EXPECT_EQ(b, *bPtr);
178                    break;
179            }
180            break;
181        }
182        default: {
183            ADD_FAILURE() << "Unknown format for check:" << buf.format;
184            break;
185        }
186    }
187}
188
189// Fill a YV12 buffer with a multi-colored checkerboard pattern
190void fillYV12Buffer(uint8_t* buf, int w, int h, int stride);
191
192// Fill a RAW sensor buffer with a multi-colored checkerboard pattern.
193// Assumes GRBG mosaic ordering. Result should be a grid in a 2x2 pattern
194// of [ R, B; G, W]
195void fillBayerRawBuffer(uint8_t* buf, int w, int h, int stride) {
196    ALOGVV("fillBayerRawBuffer: %p with %d x %d, stride %d", buf, w, h ,stride);
197    // Blocks need to be even-width/height, aim for 8-wide otherwise
198    const int blockWidth = (w > 16 ? w / 8 : 2) & ~0x1;
199    const int blockHeight = (h > 16 ? h / 8 : 2) & ~0x1;
200    for (int y = 0; y < h; y+=2) {
201        uint16_t *bPtr1 = ((uint16_t*)buf) + stride*y;
202        uint16_t *bPtr2 = bPtr1 + stride;
203        for (int x = 0; x < w; x+=2) {
204            int blockX = (x / blockWidth ) & 1;
205            int blockY = (y / blockHeight) & 1;
206            unsigned short r = (blockX == blockY) ? 1000 : 200;
207            unsigned short g = blockY ? 1000: 200;
208            unsigned short b = blockX ? 1000: 200;
209            // GR row
210            *bPtr1++ = g;
211            *bPtr1++ = r;
212            // BG row
213            *bPtr2++ = b;
214            *bPtr2++ = g;
215        }
216    }
217
218}
219
220void checkBayerRawBuffer(const CpuConsumer::LockedBuffer &buf) {
221    uint32_t w = buf.width;
222    uint32_t h = buf.height;
223    const int blockWidth = (w > 16 ? w / 8 : 2) & ~0x1;
224    const int blockHeight = (h > 16 ? h / 8 : 2) & ~0x1;
225    const int blockRows = h / blockHeight;
226    const int blockCols = w / blockWidth;
227
228    // Top-left square is red
229    checkPixel(buf, 0, 0, 1000, 200, 200);
230    checkPixel(buf, 1, 0, 1000, 200, 200);
231    checkPixel(buf, 0, 1, 1000, 200, 200);
232    checkPixel(buf, 1, 1, 1000, 200, 200);
233
234    // One-right square is blue
235    checkPixel(buf, blockWidth,     0, 200, 200, 1000);
236    checkPixel(buf, blockWidth + 1, 0, 200, 200, 1000);
237    checkPixel(buf, blockWidth,     1, 200, 200, 1000);
238    checkPixel(buf, blockWidth + 1, 1, 200, 200, 1000);
239
240    // One-down square is green
241    checkPixel(buf, 0, blockHeight, 200, 1000, 200);
242    checkPixel(buf, 1, blockHeight, 200, 1000, 200);
243    checkPixel(buf, 0, blockHeight + 1, 200, 1000, 200);
244    checkPixel(buf, 1, blockHeight + 1, 200, 1000, 200);
245
246    // One-diag square is white
247    checkPixel(buf, blockWidth,     blockHeight, 1000, 1000, 1000);
248    checkPixel(buf, blockWidth + 1, blockHeight, 1000, 1000, 1000);
249    checkPixel(buf, blockWidth,     blockHeight + 1, 1000, 1000, 1000);
250    checkPixel(buf, blockWidth + 1, blockHeight + 1, 1000, 1000, 1000);
251
252    // Test bottom-right pixel
253    const int maxBlockX = ((w-1) / blockWidth) & 0x1;
254    const int maxBlockY = ((w-1) / blockHeight) & 0x1;
255    unsigned short maxR = (maxBlockX == maxBlockY) ? 1000 : 200;
256    unsigned short maxG = maxBlockY ? 1000: 200;
257    unsigned short maxB = maxBlockX ? 1000: 200;
258    checkPixel(buf, w-1, h-1, maxR, maxG, maxB);
259}
260
261void fillYV12BufferRect(uint8_t* buf, int w, int h, int stride,
262        const android_native_rect_t& rect);
263
264void fillRGBA8Buffer(uint8_t* buf, int w, int h, int stride);
265
266void fillRGBA8BufferSolid(uint8_t* buf, int w, int h, int stride, uint8_t r,
267        uint8_t g, uint8_t b, uint8_t a);
268
269// Configures the ANativeWindow producer-side interface based on test parameters
270void configureANW(const sp<ANativeWindow>& anw,
271        const CpuConsumerTestParams& params,
272        int maxBufferSlack) {
273    status_t err;
274    err = native_window_set_buffers_geometry(anw.get(),
275            params.width, params.height, params.format);
276    ASSERT_NO_ERROR(err, "set_buffers_geometry error: ");
277
278    err = native_window_set_usage(anw.get(),
279            GRALLOC_USAGE_SW_WRITE_OFTEN);
280    ASSERT_NO_ERROR(err, "set_usage error: ");
281
282    int minUndequeuedBuffers;
283    err = anw.get()->query(anw.get(),
284            NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS,
285            &minUndequeuedBuffers);
286    ASSERT_NO_ERROR(err, "query error: ");
287
288    ALOGVV("Setting buffer count to %d",
289            maxBufferSlack + 1 + minUndequeuedBuffers);
290    err = native_window_set_buffer_count(anw.get(),
291            maxBufferSlack + 1 + minUndequeuedBuffers);
292    ASSERT_NO_ERROR(err, "set_buffer_count error: ");
293
294}
295
296// Produce one frame of image data; assumes format and resolution configuration
297// is already done.
298void produceOneFrame(const sp<ANativeWindow>& anw,
299        const CpuConsumerTestParams& params,
300        int64_t timestamp, uint32_t *stride) {
301    status_t err;
302    ANativeWindowBuffer* anb;
303    ALOGVV("Dequeue buffer from %p", anw.get());
304    err = native_window_dequeue_buffer_and_wait(anw.get(), &anb);
305    ASSERT_NO_ERROR(err, "dequeueBuffer error: ");
306
307    ASSERT_TRUE(anb != NULL);
308
309    sp<GraphicBuffer> buf(new GraphicBuffer(anb, false));
310
311    *stride = buf->getStride();
312    uint8_t* img = NULL;
313
314    ALOGVV("Lock buffer from %p for write", anw.get());
315    err = buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img));
316    ASSERT_NO_ERROR(err, "lock error: ");
317
318    switch (params.format) {
319        case HAL_PIXEL_FORMAT_YV12:
320            fillYV12Buffer(img, params.width, params.height, *stride);
321            break;
322        case HAL_PIXEL_FORMAT_RAW_SENSOR:
323            fillBayerRawBuffer(img, params.width, params.height, buf->getStride());
324            break;
325        default:
326            FAIL() << "Unknown pixel format under test!";
327            break;
328    }
329    ALOGVV("Unlock buffer from %p", anw.get());
330    err = buf->unlock();
331    ASSERT_NO_ERROR(err, "unlock error: ");
332
333    ALOGVV("Set timestamp to %p", anw.get());
334    err = native_window_set_buffers_timestamp(anw.get(), timestamp);
335    ASSERT_NO_ERROR(err, "set_buffers_timestamp error: ");
336
337    ALOGVV("Queue buffer to %p", anw.get());
338    err = anw->queueBuffer(anw.get(), buf->getNativeBuffer(), -1);
339    ASSERT_NO_ERROR(err, "queueBuffer error:");
340};
341
342TEST_P(CpuConsumerTest, FromCpuSingle) {
343    status_t err;
344    CpuConsumerTestParams params = GetParam();
345
346    // Set up
347
348    ASSERT_NO_FATAL_FAILURE(configureANW(mANW, params, 1));
349
350    // Produce
351
352    const int64_t time = 12345678L;
353    uint32_t stride;
354    ASSERT_NO_FATAL_FAILURE(produceOneFrame(mANW, params, time,
355                    &stride));
356
357    // Consume
358
359    CpuConsumer::LockedBuffer b;
360    err = mCC->lockNextBuffer(&b);
361    ASSERT_NO_ERROR(err, "getNextBuffer error: ");
362
363    ASSERT_TRUE(b.data != NULL);
364    EXPECT_EQ(params.width,  b.width);
365    EXPECT_EQ(params.height, b.height);
366    EXPECT_EQ(params.format, b.format);
367    EXPECT_EQ(stride, b.stride);
368    EXPECT_EQ(time, b.timestamp);
369
370    checkBayerRawBuffer(b);
371    mCC->unlockBuffer(b);
372}
373
374TEST_P(CpuConsumerTest, FromCpuManyInQueue) {
375    status_t err;
376    CpuConsumerTestParams params = GetParam();
377
378    const int numInQueue = 5;
379    // Set up
380
381    ASSERT_NO_FATAL_FAILURE(configureANW(mANW, params, numInQueue));
382
383    // Produce
384
385    const int64_t time[numInQueue] = { 1L, 2L, 3L, 4L, 5L};
386    uint32_t stride[numInQueue];
387
388    for (int i = 0; i < numInQueue; i++) {
389        ALOGV("Producing frame %d", i);
390        ASSERT_NO_FATAL_FAILURE(produceOneFrame(mANW, params, time[i],
391                        &stride[i]));
392    }
393
394    // Consume
395
396    for (int i = 0; i < numInQueue; i++) {
397        ALOGV("Consuming frame %d", i);
398        CpuConsumer::LockedBuffer b;
399        err = mCC->lockNextBuffer(&b);
400        ASSERT_NO_ERROR(err, "getNextBuffer error: ");
401
402        ASSERT_TRUE(b.data != NULL);
403        EXPECT_EQ(params.width,  b.width);
404        EXPECT_EQ(params.height, b.height);
405        EXPECT_EQ(params.format, b.format);
406        EXPECT_EQ(stride[i], b.stride);
407        EXPECT_EQ(time[i], b.timestamp);
408
409        checkBayerRawBuffer(b);
410
411        mCC->unlockBuffer(b);
412    }
413}
414
415TEST_P(CpuConsumerTest, FromCpuLockMax) {
416    status_t err;
417    CpuConsumerTestParams params = GetParam();
418
419    // Set up
420
421    ASSERT_NO_FATAL_FAILURE(configureANW(mANW, params, params.maxLockedBuffers + 1));
422
423    // Produce
424
425    const int64_t time = 1234L;
426    uint32_t stride;
427
428    for (int i = 0; i < params.maxLockedBuffers + 1; i++) {
429        ALOGV("Producing frame %d", i);
430        ASSERT_NO_FATAL_FAILURE(produceOneFrame(mANW, params, time,
431                        &stride));
432    }
433
434    // Consume
435
436    CpuConsumer::LockedBuffer *b = new CpuConsumer::LockedBuffer[params.maxLockedBuffers];
437    for (int i = 0; i < params.maxLockedBuffers; i++) {
438        ALOGV("Locking frame %d", i);
439        err = mCC->lockNextBuffer(&b[i]);
440        ASSERT_NO_ERROR(err, "getNextBuffer error: ");
441
442        ASSERT_TRUE(b[i].data != NULL);
443        EXPECT_EQ(params.width,  b[i].width);
444        EXPECT_EQ(params.height, b[i].height);
445        EXPECT_EQ(params.format, b[i].format);
446        EXPECT_EQ(stride, b[i].stride);
447        EXPECT_EQ(time, b[i].timestamp);
448
449        checkBayerRawBuffer(b[i]);
450    }
451
452    ALOGV("Locking frame %d (too many)", params.maxLockedBuffers);
453    CpuConsumer::LockedBuffer bTooMuch;
454    err = mCC->lockNextBuffer(&bTooMuch);
455    ASSERT_TRUE(err == INVALID_OPERATION) << "Allowing too many locks";
456
457    ALOGV("Unlocking frame 0");
458    err = mCC->unlockBuffer(b[0]);
459    ASSERT_NO_ERROR(err, "Could not unlock buffer 0: ");
460
461    ALOGV("Locking frame %d (should work now)", params.maxLockedBuffers);
462    err = mCC->lockNextBuffer(&bTooMuch);
463    ASSERT_NO_ERROR(err, "Did not allow new lock after unlock");
464
465    ASSERT_TRUE(bTooMuch.data != NULL);
466    EXPECT_EQ(params.width,  bTooMuch.width);
467    EXPECT_EQ(params.height, bTooMuch.height);
468    EXPECT_EQ(params.format, bTooMuch.format);
469    EXPECT_EQ(stride, bTooMuch.stride);
470    EXPECT_EQ(time, bTooMuch.timestamp);
471
472    checkBayerRawBuffer(bTooMuch);
473
474    ALOGV("Unlocking extra buffer");
475    err = mCC->unlockBuffer(bTooMuch);
476    ASSERT_NO_ERROR(err, "Could not unlock extra buffer: ");
477
478    ALOGV("Locking frame %d (no more available)", params.maxLockedBuffers + 1);
479    err = mCC->lockNextBuffer(&b[0]);
480    ASSERT_EQ(BAD_VALUE, err) << "Not out of buffers somehow";
481
482    for (int i = 1; i < params.maxLockedBuffers; i++) {
483        mCC->unlockBuffer(b[i]);
484    }
485
486    delete[] b;
487
488}
489
490CpuConsumerTestParams rawTestSets[] = {
491    { 512,   512, 1, HAL_PIXEL_FORMAT_RAW_SENSOR},
492    { 512,   512, 3, HAL_PIXEL_FORMAT_RAW_SENSOR},
493    { 2608, 1960, 1, HAL_PIXEL_FORMAT_RAW_SENSOR},
494    { 2608, 1960, 3, HAL_PIXEL_FORMAT_RAW_SENSOR},
495    { 100,   100, 1, HAL_PIXEL_FORMAT_RAW_SENSOR},
496    { 100,   100, 3, HAL_PIXEL_FORMAT_RAW_SENSOR}
497};
498
499INSTANTIATE_TEST_CASE_P(RawTests,
500        CpuConsumerTest,
501        ::testing::ValuesIn(rawTestSets));
502
503} // namespace android
504