Alex Vakulenko | e4eec20 | 2017-01-27 14:41:04 -0800 | [diff] [blame] | 1 | #include <gtest/gtest.h> |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 2 | #include <poll.h> |
Alex Vakulenko | e4eec20 | 2017-01-27 14:41:04 -0800 | [diff] [blame] | 3 | #include <private/dvr/buffer_hub_client.h> |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 4 | #include <private/dvr/bufferhub_rpc.h> |
Jiwen 'Steve' Cai | a8049a2 | 2018-03-28 15:14:02 -0700 | [diff] [blame^] | 5 | #include <private/dvr/detached_buffer.h> |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 6 | #include <sys/epoll.h> |
| 7 | #include <sys/eventfd.h> |
Jiwen 'Steve' Cai | a8049a2 | 2018-03-28 15:14:02 -0700 | [diff] [blame^] | 8 | #include <ui/DetachedBufferHandle.h> |
Alex Vakulenko | e4eec20 | 2017-01-27 14:41:04 -0800 | [diff] [blame] | 9 | |
| 10 | #include <mutex> |
| 11 | #include <thread> |
| 12 | |
Alex Vakulenko | 4fe6058 | 2017-02-02 11:35:59 -0800 | [diff] [blame] | 13 | #define RETRY_EINTR(fnc_call) \ |
| 14 | ([&]() -> decltype(fnc_call) { \ |
| 15 | decltype(fnc_call) result; \ |
| 16 | do { \ |
| 17 | result = (fnc_call); \ |
| 18 | } while (result == -1 && errno == EINTR); \ |
| 19 | return result; \ |
| 20 | })() |
| 21 | |
Jiwen 'Steve' Cai | a8049a2 | 2018-03-28 15:14:02 -0700 | [diff] [blame^] | 22 | using android::sp; |
| 23 | using android::GraphicBuffer; |
Alex Vakulenko | e4eec20 | 2017-01-27 14:41:04 -0800 | [diff] [blame] | 24 | using android::dvr::BufferConsumer; |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 25 | using android::dvr::BufferHubDefs::kConsumerStateMask; |
Jiwen 'Steve' Cai | a8049a2 | 2018-03-28 15:14:02 -0700 | [diff] [blame^] | 26 | using android::dvr::BufferHubDefs::kMetadataHeaderSize; |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 27 | using android::dvr::BufferHubDefs::kProducerStateBit; |
Jiwen 'Steve' Cai | 9e7f303 | 2017-10-20 18:39:47 -0700 | [diff] [blame] | 28 | using android::dvr::BufferHubDefs::IsBufferGained; |
| 29 | using android::dvr::BufferHubDefs::IsBufferPosted; |
| 30 | using android::dvr::BufferHubDefs::IsBufferAcquired; |
| 31 | using android::dvr::BufferHubDefs::IsBufferReleased; |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 32 | using android::dvr::BufferProducer; |
Jiwen 'Steve' Cai | a8049a2 | 2018-03-28 15:14:02 -0700 | [diff] [blame^] | 33 | using android::dvr::DetachedBuffer; |
Jiwen 'Steve' Cai | 23c1a73 | 2018-03-12 12:16:47 -0700 | [diff] [blame] | 34 | using android::pdx::LocalChannelHandle; |
Alex Vakulenko | e4eec20 | 2017-01-27 14:41:04 -0800 | [diff] [blame] | 35 | using android::pdx::LocalHandle; |
Jiwen 'Steve' Cai | 23c1a73 | 2018-03-12 12:16:47 -0700 | [diff] [blame] | 36 | using android::pdx::Status; |
Alex Vakulenko | e4eec20 | 2017-01-27 14:41:04 -0800 | [diff] [blame] | 37 | |
| 38 | const int kWidth = 640; |
| 39 | const int kHeight = 480; |
Jiwen 'Steve' Cai | a8049a2 | 2018-03-28 15:14:02 -0700 | [diff] [blame^] | 40 | const int kLayerCount = 1; |
Alex Vakulenko | e4eec20 | 2017-01-27 14:41:04 -0800 | [diff] [blame] | 41 | const int kFormat = HAL_PIXEL_FORMAT_RGBA_8888; |
| 42 | const int kUsage = 0; |
Jiwen 'Steve' Cai | a8049a2 | 2018-03-28 15:14:02 -0700 | [diff] [blame^] | 43 | const size_t kUserMetadataSize = 0; |
Alex Vakulenko | e4eec20 | 2017-01-27 14:41:04 -0800 | [diff] [blame] | 44 | const uint64_t kContext = 42; |
Jiwen 'Steve' Cai | 9e7f303 | 2017-10-20 18:39:47 -0700 | [diff] [blame] | 45 | const size_t kMaxConsumerCount = 63; |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 46 | const int kPollTimeoutMs = 100; |
Alex Vakulenko | e4eec20 | 2017-01-27 14:41:04 -0800 | [diff] [blame] | 47 | |
| 48 | using LibBufferHubTest = ::testing::Test; |
| 49 | |
| 50 | TEST_F(LibBufferHubTest, TestBasicUsage) { |
| 51 | std::unique_ptr<BufferProducer> p = BufferProducer::Create( |
| 52 | kWidth, kHeight, kFormat, kUsage, sizeof(uint64_t)); |
| 53 | ASSERT_TRUE(p.get() != nullptr); |
| 54 | std::unique_ptr<BufferConsumer> c = |
| 55 | BufferConsumer::Import(p->CreateConsumer()); |
| 56 | ASSERT_TRUE(c.get() != nullptr); |
| 57 | // Check that consumers can spawn other consumers. |
| 58 | std::unique_ptr<BufferConsumer> c2 = |
| 59 | BufferConsumer::Import(c->CreateConsumer()); |
| 60 | ASSERT_TRUE(c2.get() != nullptr); |
| 61 | |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 62 | // Producer state mask is unique, i.e. 1. |
| 63 | EXPECT_EQ(p->buffer_state_bit(), kProducerStateBit); |
| 64 | // Consumer state mask cannot have producer bit on. |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 65 | EXPECT_EQ(c->buffer_state_bit() & kProducerStateBit, 0U); |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 66 | // Consumer state mask must be a single, i.e. power of 2. |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 67 | EXPECT_NE(c->buffer_state_bit(), 0U); |
| 68 | EXPECT_EQ(c->buffer_state_bit() & (c->buffer_state_bit() - 1), 0U); |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 69 | // Consumer state mask cannot have producer bit on. |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 70 | EXPECT_EQ(c2->buffer_state_bit() & kProducerStateBit, 0U); |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 71 | // Consumer state mask must be a single, i.e. power of 2. |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 72 | EXPECT_NE(c2->buffer_state_bit(), 0U); |
| 73 | EXPECT_EQ(c2->buffer_state_bit() & (c2->buffer_state_bit() - 1), 0U); |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 74 | // Each consumer should have unique bit. |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 75 | EXPECT_EQ(c->buffer_state_bit() & c2->buffer_state_bit(), 0U); |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 76 | |
| 77 | // Initial state: producer not available, consumers not available. |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 78 | EXPECT_EQ(0, RETRY_EINTR(p->Poll(kPollTimeoutMs))); |
| 79 | EXPECT_EQ(0, RETRY_EINTR(c->Poll(kPollTimeoutMs))); |
| 80 | EXPECT_EQ(0, RETRY_EINTR(c2->Poll(kPollTimeoutMs))); |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 81 | |
Alex Vakulenko | e4eec20 | 2017-01-27 14:41:04 -0800 | [diff] [blame] | 82 | EXPECT_EQ(0, p->Post(LocalHandle(), kContext)); |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 83 | |
| 84 | // New state: producer not available, consumers available. |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 85 | EXPECT_EQ(0, RETRY_EINTR(p->Poll(kPollTimeoutMs))); |
| 86 | EXPECT_EQ(1, RETRY_EINTR(c->Poll(kPollTimeoutMs))); |
| 87 | EXPECT_EQ(1, RETRY_EINTR(c2->Poll(kPollTimeoutMs))); |
Alex Vakulenko | e4eec20 | 2017-01-27 14:41:04 -0800 | [diff] [blame] | 88 | |
| 89 | uint64_t context; |
| 90 | LocalHandle fence; |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 91 | EXPECT_EQ(0, c->Acquire(&fence, &context)); |
Alex Vakulenko | e4eec20 | 2017-01-27 14:41:04 -0800 | [diff] [blame] | 92 | EXPECT_EQ(kContext, context); |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 93 | EXPECT_EQ(0, RETRY_EINTR(c->Poll(kPollTimeoutMs))); |
| 94 | EXPECT_EQ(1, RETRY_EINTR(c2->Poll(kPollTimeoutMs))); |
Alex Vakulenko | e4eec20 | 2017-01-27 14:41:04 -0800 | [diff] [blame] | 95 | |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 96 | EXPECT_EQ(0, c2->Acquire(&fence, &context)); |
Alex Vakulenko | e4eec20 | 2017-01-27 14:41:04 -0800 | [diff] [blame] | 97 | EXPECT_EQ(kContext, context); |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 98 | EXPECT_EQ(0, RETRY_EINTR(c2->Poll(kPollTimeoutMs))); |
| 99 | EXPECT_EQ(0, RETRY_EINTR(c->Poll(kPollTimeoutMs))); |
Alex Vakulenko | e4eec20 | 2017-01-27 14:41:04 -0800 | [diff] [blame] | 100 | |
| 101 | EXPECT_EQ(0, c->Release(LocalHandle())); |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 102 | EXPECT_EQ(0, RETRY_EINTR(p->Poll(kPollTimeoutMs))); |
Alex Vakulenko | e4eec20 | 2017-01-27 14:41:04 -0800 | [diff] [blame] | 103 | EXPECT_EQ(0, c2->Discard()); |
| 104 | |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 105 | EXPECT_EQ(1, RETRY_EINTR(p->Poll(kPollTimeoutMs))); |
Alex Vakulenko | e4eec20 | 2017-01-27 14:41:04 -0800 | [diff] [blame] | 106 | EXPECT_EQ(0, p->Gain(&fence)); |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 107 | EXPECT_EQ(0, RETRY_EINTR(p->Poll(kPollTimeoutMs))); |
| 108 | EXPECT_EQ(0, RETRY_EINTR(c->Poll(kPollTimeoutMs))); |
| 109 | EXPECT_EQ(0, RETRY_EINTR(c2->Poll(kPollTimeoutMs))); |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 110 | } |
| 111 | |
| 112 | TEST_F(LibBufferHubTest, TestEpoll) { |
| 113 | std::unique_ptr<BufferProducer> p = BufferProducer::Create( |
| 114 | kWidth, kHeight, kFormat, kUsage, sizeof(uint64_t)); |
| 115 | ASSERT_TRUE(p.get() != nullptr); |
| 116 | std::unique_ptr<BufferConsumer> c = |
| 117 | BufferConsumer::Import(p->CreateConsumer()); |
| 118 | ASSERT_TRUE(c.get() != nullptr); |
| 119 | |
| 120 | LocalHandle epoll_fd{epoll_create1(EPOLL_CLOEXEC)}; |
| 121 | ASSERT_TRUE(epoll_fd.IsValid()); |
| 122 | |
| 123 | epoll_event event; |
| 124 | std::array<epoll_event, 64> events; |
| 125 | |
| 126 | auto event_sources = p->GetEventSources(); |
| 127 | ASSERT_LT(event_sources.size(), events.size()); |
| 128 | |
| 129 | for (const auto& event_source : event_sources) { |
| 130 | event = {.events = event_source.event_mask | EPOLLET, |
| 131 | .data = {.fd = p->event_fd()}}; |
| 132 | ASSERT_EQ(0, epoll_ctl(epoll_fd.Get(), EPOLL_CTL_ADD, event_source.event_fd, |
| 133 | &event)); |
| 134 | } |
| 135 | |
| 136 | event_sources = c->GetEventSources(); |
| 137 | ASSERT_LT(event_sources.size(), events.size()); |
| 138 | |
| 139 | for (const auto& event_source : event_sources) { |
| 140 | event = {.events = event_source.event_mask | EPOLLET, |
| 141 | .data = {.fd = c->event_fd()}}; |
| 142 | ASSERT_EQ(0, epoll_ctl(epoll_fd.Get(), EPOLL_CTL_ADD, event_source.event_fd, |
| 143 | &event)); |
| 144 | } |
| 145 | |
| 146 | // No events should be signaled initially. |
| 147 | ASSERT_EQ(0, epoll_wait(epoll_fd.Get(), events.data(), events.size(), 0)); |
| 148 | |
| 149 | // Post the producer and check for consumer signal. |
| 150 | EXPECT_EQ(0, p->Post({}, kContext)); |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 151 | ASSERT_EQ(1, epoll_wait(epoll_fd.Get(), events.data(), events.size(), |
| 152 | kPollTimeoutMs)); |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 153 | ASSERT_TRUE(events[0].events & EPOLLIN); |
| 154 | ASSERT_EQ(c->event_fd(), events[0].data.fd); |
| 155 | |
| 156 | // Save the event bits to translate later. |
| 157 | event = events[0]; |
| 158 | |
| 159 | // Check for events again. Edge-triggered mode should prevent any. |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 160 | EXPECT_EQ(0, epoll_wait(epoll_fd.Get(), events.data(), events.size(), |
| 161 | kPollTimeoutMs)); |
| 162 | EXPECT_EQ(0, epoll_wait(epoll_fd.Get(), events.data(), events.size(), |
| 163 | kPollTimeoutMs)); |
| 164 | EXPECT_EQ(0, epoll_wait(epoll_fd.Get(), events.data(), events.size(), |
| 165 | kPollTimeoutMs)); |
| 166 | EXPECT_EQ(0, epoll_wait(epoll_fd.Get(), events.data(), events.size(), |
| 167 | kPollTimeoutMs)); |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 168 | |
| 169 | // Translate the events. |
| 170 | auto event_status = c->GetEventMask(event.events); |
| 171 | ASSERT_TRUE(event_status); |
| 172 | ASSERT_TRUE(event_status.get() & EPOLLIN); |
| 173 | |
| 174 | // Check for events again. Edge-triggered mode should prevent any. |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 175 | EXPECT_EQ(0, epoll_wait(epoll_fd.Get(), events.data(), events.size(), |
| 176 | kPollTimeoutMs)); |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 177 | } |
| 178 | |
| 179 | TEST_F(LibBufferHubTest, TestStateMask) { |
| 180 | std::unique_ptr<BufferProducer> p = BufferProducer::Create( |
| 181 | kWidth, kHeight, kFormat, kUsage, sizeof(uint64_t)); |
| 182 | ASSERT_TRUE(p.get() != nullptr); |
| 183 | |
Jiwen 'Steve' Cai | 9e7f303 | 2017-10-20 18:39:47 -0700 | [diff] [blame] | 184 | // It's ok to create up to kMaxConsumerCount consumer buffers. |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 185 | uint64_t buffer_state_bits = p->buffer_state_bit(); |
Jiwen 'Steve' Cai | 9e7f303 | 2017-10-20 18:39:47 -0700 | [diff] [blame] | 186 | std::array<std::unique_ptr<BufferConsumer>, kMaxConsumerCount> cs; |
| 187 | for (size_t i = 0; i < kMaxConsumerCount; i++) { |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 188 | cs[i] = BufferConsumer::Import(p->CreateConsumer()); |
| 189 | ASSERT_TRUE(cs[i].get() != nullptr); |
| 190 | // Expect all buffers have unique state mask. |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 191 | EXPECT_EQ(buffer_state_bits & cs[i]->buffer_state_bit(), 0U); |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 192 | buffer_state_bits |= cs[i]->buffer_state_bit(); |
| 193 | } |
| 194 | EXPECT_EQ(buffer_state_bits, kProducerStateBit | kConsumerStateMask); |
| 195 | |
| 196 | // The 64th creation will fail with out-of-memory error. |
| 197 | auto state = p->CreateConsumer(); |
| 198 | EXPECT_EQ(state.error(), E2BIG); |
| 199 | |
| 200 | // Release any consumer should allow us to re-create. |
Jiwen 'Steve' Cai | 9e7f303 | 2017-10-20 18:39:47 -0700 | [diff] [blame] | 201 | for (size_t i = 0; i < kMaxConsumerCount; i++) { |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 202 | buffer_state_bits &= ~cs[i]->buffer_state_bit(); |
| 203 | cs[i] = nullptr; |
| 204 | cs[i] = BufferConsumer::Import(p->CreateConsumer()); |
| 205 | ASSERT_TRUE(cs[i].get() != nullptr); |
| 206 | // The released state mask will be reused. |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 207 | EXPECT_EQ(buffer_state_bits & cs[i]->buffer_state_bit(), 0U); |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 208 | buffer_state_bits |= cs[i]->buffer_state_bit(); |
| 209 | EXPECT_EQ(buffer_state_bits, kProducerStateBit | kConsumerStateMask); |
| 210 | } |
Alex Vakulenko | e4eec20 | 2017-01-27 14:41:04 -0800 | [diff] [blame] | 211 | } |
| 212 | |
Corey Tabaka | d53870c | 2017-07-06 18:04:27 -0700 | [diff] [blame] | 213 | TEST_F(LibBufferHubTest, TestStateTransitions) { |
| 214 | std::unique_ptr<BufferProducer> p = BufferProducer::Create( |
| 215 | kWidth, kHeight, kFormat, kUsage, sizeof(uint64_t)); |
| 216 | ASSERT_TRUE(p.get() != nullptr); |
| 217 | std::unique_ptr<BufferConsumer> c = |
| 218 | BufferConsumer::Import(p->CreateConsumer()); |
| 219 | ASSERT_TRUE(c.get() != nullptr); |
| 220 | |
| 221 | uint64_t context; |
| 222 | LocalHandle fence; |
| 223 | |
| 224 | // The producer buffer starts in gained state. |
| 225 | |
| 226 | // Acquire, release, and gain in gained state should fail. |
| 227 | EXPECT_EQ(-EBUSY, c->Acquire(&fence, &context)); |
| 228 | EXPECT_EQ(-EBUSY, c->Release(LocalHandle())); |
| 229 | EXPECT_EQ(-EALREADY, p->Gain(&fence)); |
| 230 | |
| 231 | // Post in gained state should succeed. |
| 232 | EXPECT_EQ(0, p->Post(LocalHandle(), kContext)); |
| 233 | |
| 234 | // Post, release, and gain in posted state should fail. |
| 235 | EXPECT_EQ(-EBUSY, p->Post(LocalHandle(), kContext)); |
| 236 | EXPECT_EQ(-EBUSY, c->Release(LocalHandle())); |
| 237 | EXPECT_EQ(-EBUSY, p->Gain(&fence)); |
| 238 | |
| 239 | // Acquire in posted state should succeed. |
| 240 | EXPECT_LE(0, c->Acquire(&fence, &context)); |
| 241 | |
| 242 | // Acquire, post, and gain in acquired state should fail. |
| 243 | EXPECT_EQ(-EBUSY, c->Acquire(&fence, &context)); |
| 244 | EXPECT_EQ(-EBUSY, p->Post(LocalHandle(), kContext)); |
| 245 | EXPECT_EQ(-EBUSY, p->Gain(&fence)); |
| 246 | |
| 247 | // Release in acquired state should succeed. |
| 248 | EXPECT_EQ(0, c->Release(LocalHandle())); |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 249 | EXPECT_LT(0, RETRY_EINTR(p->Poll(kPollTimeoutMs))); |
Corey Tabaka | d53870c | 2017-07-06 18:04:27 -0700 | [diff] [blame] | 250 | |
| 251 | // Release, acquire, and post in released state should fail. |
| 252 | EXPECT_EQ(-EBUSY, c->Release(LocalHandle())); |
| 253 | EXPECT_EQ(-EBUSY, c->Acquire(&fence, &context)); |
| 254 | EXPECT_EQ(-EBUSY, p->Post(LocalHandle(), kContext)); |
| 255 | |
| 256 | // Gain in released state should succeed. |
| 257 | EXPECT_EQ(0, p->Gain(&fence)); |
| 258 | |
| 259 | // Acquire, release, and gain in gained state should fail. |
| 260 | EXPECT_EQ(-EBUSY, c->Acquire(&fence, &context)); |
| 261 | EXPECT_EQ(-EBUSY, c->Release(LocalHandle())); |
| 262 | EXPECT_EQ(-EALREADY, p->Gain(&fence)); |
| 263 | } |
| 264 | |
Jiwen 'Steve' Cai | 9e7f303 | 2017-10-20 18:39:47 -0700 | [diff] [blame] | 265 | TEST_F(LibBufferHubTest, TestAsyncStateTransitions) { |
| 266 | std::unique_ptr<BufferProducer> p = BufferProducer::Create( |
| 267 | kWidth, kHeight, kFormat, kUsage, sizeof(uint64_t)); |
| 268 | ASSERT_TRUE(p.get() != nullptr); |
| 269 | std::unique_ptr<BufferConsumer> c = |
| 270 | BufferConsumer::Import(p->CreateConsumer()); |
| 271 | ASSERT_TRUE(c.get() != nullptr); |
| 272 | |
| 273 | DvrNativeBufferMetadata metadata; |
| 274 | LocalHandle invalid_fence; |
| 275 | |
| 276 | // The producer buffer starts in gained state. |
| 277 | |
| 278 | // Acquire, release, and gain in gained state should fail. |
| 279 | EXPECT_EQ(-EBUSY, c->AcquireAsync(&metadata, &invalid_fence)); |
| 280 | EXPECT_FALSE(invalid_fence.IsValid()); |
| 281 | EXPECT_EQ(-EBUSY, c->ReleaseAsync(&metadata, invalid_fence)); |
| 282 | EXPECT_EQ(-EALREADY, p->GainAsync(&metadata, &invalid_fence)); |
| 283 | EXPECT_FALSE(invalid_fence.IsValid()); |
| 284 | |
| 285 | // Post in gained state should succeed. |
| 286 | EXPECT_EQ(0, p->PostAsync(&metadata, invalid_fence)); |
| 287 | EXPECT_EQ(p->buffer_state(), c->buffer_state()); |
| 288 | EXPECT_TRUE(IsBufferPosted(p->buffer_state())); |
| 289 | |
| 290 | // Post, release, and gain in posted state should fail. |
| 291 | EXPECT_EQ(-EBUSY, p->PostAsync(&metadata, invalid_fence)); |
| 292 | EXPECT_EQ(-EBUSY, c->ReleaseAsync(&metadata, invalid_fence)); |
| 293 | EXPECT_EQ(-EBUSY, p->GainAsync(&metadata, &invalid_fence)); |
| 294 | EXPECT_FALSE(invalid_fence.IsValid()); |
| 295 | |
| 296 | // Acquire in posted state should succeed. |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 297 | EXPECT_LT(0, RETRY_EINTR(c->Poll(kPollTimeoutMs))); |
Jiwen 'Steve' Cai | 9e7f303 | 2017-10-20 18:39:47 -0700 | [diff] [blame] | 298 | EXPECT_EQ(0, c->AcquireAsync(&metadata, &invalid_fence)); |
| 299 | EXPECT_FALSE(invalid_fence.IsValid()); |
| 300 | EXPECT_EQ(p->buffer_state(), c->buffer_state()); |
| 301 | EXPECT_TRUE(IsBufferAcquired(p->buffer_state())); |
| 302 | |
| 303 | // Acquire, post, and gain in acquired state should fail. |
| 304 | EXPECT_EQ(-EBUSY, c->AcquireAsync(&metadata, &invalid_fence)); |
| 305 | EXPECT_FALSE(invalid_fence.IsValid()); |
| 306 | EXPECT_EQ(-EBUSY, p->PostAsync(&metadata, invalid_fence)); |
| 307 | EXPECT_EQ(-EBUSY, p->GainAsync(&metadata, &invalid_fence)); |
| 308 | EXPECT_FALSE(invalid_fence.IsValid()); |
| 309 | |
| 310 | // Release in acquired state should succeed. |
| 311 | EXPECT_EQ(0, c->ReleaseAsync(&metadata, invalid_fence)); |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 312 | EXPECT_LT(0, RETRY_EINTR(p->Poll(kPollTimeoutMs))); |
Jiwen 'Steve' Cai | 9e7f303 | 2017-10-20 18:39:47 -0700 | [diff] [blame] | 313 | EXPECT_EQ(p->buffer_state(), c->buffer_state()); |
| 314 | EXPECT_TRUE(IsBufferReleased(p->buffer_state())); |
| 315 | |
| 316 | // Release, acquire, and post in released state should fail. |
| 317 | EXPECT_EQ(-EBUSY, c->ReleaseAsync(&metadata, invalid_fence)); |
| 318 | EXPECT_EQ(-EBUSY, c->AcquireAsync(&metadata, &invalid_fence)); |
| 319 | EXPECT_FALSE(invalid_fence.IsValid()); |
| 320 | EXPECT_EQ(-EBUSY, p->PostAsync(&metadata, invalid_fence)); |
| 321 | |
| 322 | // Gain in released state should succeed. |
| 323 | EXPECT_EQ(0, p->GainAsync(&metadata, &invalid_fence)); |
| 324 | EXPECT_FALSE(invalid_fence.IsValid()); |
| 325 | EXPECT_EQ(p->buffer_state(), c->buffer_state()); |
| 326 | EXPECT_TRUE(IsBufferGained(p->buffer_state())); |
| 327 | |
| 328 | // Acquire, release, and gain in gained state should fail. |
| 329 | EXPECT_EQ(-EBUSY, c->AcquireAsync(&metadata, &invalid_fence)); |
| 330 | EXPECT_FALSE(invalid_fence.IsValid()); |
| 331 | EXPECT_EQ(-EBUSY, c->ReleaseAsync(&metadata, invalid_fence)); |
| 332 | EXPECT_EQ(-EALREADY, p->GainAsync(&metadata, &invalid_fence)); |
| 333 | EXPECT_FALSE(invalid_fence.IsValid()); |
| 334 | } |
| 335 | |
| 336 | TEST_F(LibBufferHubTest, TestZeroConsumer) { |
| 337 | std::unique_ptr<BufferProducer> p = BufferProducer::Create( |
| 338 | kWidth, kHeight, kFormat, kUsage, sizeof(uint64_t)); |
| 339 | ASSERT_TRUE(p.get() != nullptr); |
| 340 | |
| 341 | DvrNativeBufferMetadata metadata; |
| 342 | LocalHandle invalid_fence; |
| 343 | |
| 344 | // Newly created. |
| 345 | EXPECT_TRUE(IsBufferGained(p->buffer_state())); |
| 346 | EXPECT_EQ(0, p->PostAsync(&metadata, invalid_fence)); |
| 347 | EXPECT_TRUE(IsBufferPosted(p->buffer_state())); |
| 348 | |
| 349 | // The buffer should stay in posted stay until a consumer picks it up. |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 350 | EXPECT_GE(0, RETRY_EINTR(p->Poll(kPollTimeoutMs))); |
Jiwen 'Steve' Cai | 9e7f303 | 2017-10-20 18:39:47 -0700 | [diff] [blame] | 351 | |
| 352 | // A new consumer should still be able to acquire the buffer immediately. |
| 353 | std::unique_ptr<BufferConsumer> c = |
| 354 | BufferConsumer::Import(p->CreateConsumer()); |
| 355 | ASSERT_TRUE(c.get() != nullptr); |
| 356 | EXPECT_EQ(0, c->AcquireAsync(&metadata, &invalid_fence)); |
| 357 | EXPECT_TRUE(IsBufferAcquired(c->buffer_state())); |
| 358 | } |
| 359 | |
| 360 | TEST_F(LibBufferHubTest, TestMaxConsumers) { |
| 361 | std::unique_ptr<BufferProducer> p = BufferProducer::Create( |
| 362 | kWidth, kHeight, kFormat, kUsage, sizeof(uint64_t)); |
| 363 | ASSERT_TRUE(p.get() != nullptr); |
| 364 | |
| 365 | std::array<std::unique_ptr<BufferConsumer>, kMaxConsumerCount> cs; |
| 366 | for (size_t i = 0; i < kMaxConsumerCount; i++) { |
| 367 | cs[i] = BufferConsumer::Import(p->CreateConsumer()); |
| 368 | ASSERT_TRUE(cs[i].get() != nullptr); |
| 369 | EXPECT_TRUE(IsBufferGained(cs[i]->buffer_state())); |
| 370 | } |
| 371 | |
| 372 | DvrNativeBufferMetadata metadata; |
| 373 | LocalHandle invalid_fence; |
| 374 | |
| 375 | // Post the producer should trigger all consumers to be available. |
| 376 | EXPECT_EQ(0, p->PostAsync(&metadata, invalid_fence)); |
| 377 | EXPECT_TRUE(IsBufferPosted(p->buffer_state())); |
| 378 | for (size_t i = 0; i < kMaxConsumerCount; i++) { |
| 379 | EXPECT_TRUE(IsBufferPosted(cs[i]->buffer_state(), |
| 380 | cs[i]->buffer_state_bit())); |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 381 | EXPECT_LT(0, RETRY_EINTR(cs[i]->Poll(kPollTimeoutMs))); |
Jiwen 'Steve' Cai | 9e7f303 | 2017-10-20 18:39:47 -0700 | [diff] [blame] | 382 | EXPECT_EQ(0, cs[i]->AcquireAsync(&metadata, &invalid_fence)); |
| 383 | EXPECT_TRUE(IsBufferAcquired(p->buffer_state())); |
| 384 | } |
| 385 | |
| 386 | // All consumers have to release before the buffer is considered to be |
| 387 | // released. |
| 388 | for (size_t i = 0; i < kMaxConsumerCount; i++) { |
| 389 | EXPECT_FALSE(IsBufferReleased(p->buffer_state())); |
| 390 | EXPECT_EQ(0, cs[i]->ReleaseAsync(&metadata, invalid_fence)); |
| 391 | } |
| 392 | |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 393 | EXPECT_LT(0, RETRY_EINTR(p->Poll(kPollTimeoutMs))); |
Jiwen 'Steve' Cai | 9e7f303 | 2017-10-20 18:39:47 -0700 | [diff] [blame] | 394 | EXPECT_TRUE(IsBufferReleased(p->buffer_state())); |
| 395 | |
| 396 | // Buffer state cross all clients must be consistent. |
| 397 | for (size_t i = 0; i < kMaxConsumerCount; i++) { |
| 398 | EXPECT_EQ(p->buffer_state(), cs[i]->buffer_state()); |
| 399 | } |
| 400 | } |
| 401 | |
| 402 | TEST_F(LibBufferHubTest, TestCreateConsumerWhenBufferGained) { |
| 403 | std::unique_ptr<BufferProducer> p = BufferProducer::Create( |
| 404 | kWidth, kHeight, kFormat, kUsage, sizeof(uint64_t)); |
| 405 | ASSERT_TRUE(p.get() != nullptr); |
| 406 | EXPECT_TRUE(IsBufferGained(p->buffer_state())); |
| 407 | |
| 408 | std::unique_ptr<BufferConsumer> c = |
| 409 | BufferConsumer::Import(p->CreateConsumer()); |
| 410 | ASSERT_TRUE(c.get() != nullptr); |
| 411 | EXPECT_TRUE(IsBufferGained(c->buffer_state())); |
| 412 | |
| 413 | DvrNativeBufferMetadata metadata; |
| 414 | LocalHandle invalid_fence; |
| 415 | |
| 416 | // Post the gained buffer should signal already created consumer. |
| 417 | EXPECT_EQ(0, p->PostAsync(&metadata, invalid_fence)); |
| 418 | EXPECT_TRUE(IsBufferPosted(p->buffer_state())); |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 419 | EXPECT_LT(0, RETRY_EINTR(c->Poll(kPollTimeoutMs))); |
Jiwen 'Steve' Cai | 9e7f303 | 2017-10-20 18:39:47 -0700 | [diff] [blame] | 420 | EXPECT_EQ(0, c->AcquireAsync(&metadata, &invalid_fence)); |
| 421 | EXPECT_TRUE(IsBufferAcquired(c->buffer_state())); |
| 422 | } |
| 423 | |
| 424 | TEST_F(LibBufferHubTest, TestCreateConsumerWhenBufferPosted) { |
| 425 | std::unique_ptr<BufferProducer> p = BufferProducer::Create( |
| 426 | kWidth, kHeight, kFormat, kUsage, sizeof(uint64_t)); |
| 427 | ASSERT_TRUE(p.get() != nullptr); |
| 428 | EXPECT_TRUE(IsBufferGained(p->buffer_state())); |
| 429 | |
| 430 | DvrNativeBufferMetadata metadata; |
| 431 | LocalHandle invalid_fence; |
| 432 | |
| 433 | // Post the gained buffer before any consumer gets created. |
| 434 | EXPECT_EQ(0, p->PostAsync(&metadata, invalid_fence)); |
| 435 | EXPECT_TRUE(IsBufferPosted(p->buffer_state())); |
| 436 | |
| 437 | // Newly created consumer should be automatically sigalled. |
| 438 | std::unique_ptr<BufferConsumer> c = |
| 439 | BufferConsumer::Import(p->CreateConsumer()); |
| 440 | ASSERT_TRUE(c.get() != nullptr); |
| 441 | EXPECT_TRUE(IsBufferPosted(c->buffer_state())); |
| 442 | EXPECT_EQ(0, c->AcquireAsync(&metadata, &invalid_fence)); |
| 443 | EXPECT_TRUE(IsBufferAcquired(c->buffer_state())); |
| 444 | } |
| 445 | |
| 446 | TEST_F(LibBufferHubTest, TestCreateConsumerWhenBufferReleased) { |
| 447 | std::unique_ptr<BufferProducer> p = BufferProducer::Create( |
| 448 | kWidth, kHeight, kFormat, kUsage, sizeof(uint64_t)); |
| 449 | ASSERT_TRUE(p.get() != nullptr); |
| 450 | |
| 451 | std::unique_ptr<BufferConsumer> c1 = |
| 452 | BufferConsumer::Import(p->CreateConsumer()); |
| 453 | ASSERT_TRUE(c1.get() != nullptr); |
| 454 | |
| 455 | DvrNativeBufferMetadata metadata; |
| 456 | LocalHandle invalid_fence; |
| 457 | |
| 458 | // Post, acquire, and release the buffer.. |
| 459 | EXPECT_EQ(0, p->PostAsync(&metadata, invalid_fence)); |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 460 | EXPECT_LT(0, RETRY_EINTR(c1->Poll(kPollTimeoutMs))); |
Jiwen 'Steve' Cai | 9e7f303 | 2017-10-20 18:39:47 -0700 | [diff] [blame] | 461 | EXPECT_EQ(0, c1->AcquireAsync(&metadata, &invalid_fence)); |
| 462 | EXPECT_EQ(0, c1->ReleaseAsync(&metadata, invalid_fence)); |
| 463 | |
Jiwen 'Steve' Cai | 2d89e6b | 2017-12-06 16:32:22 -0800 | [diff] [blame] | 464 | // Note that the next PDX call is on the producer channel, which may be |
| 465 | // executed before Release impulse gets executed by bufferhubd. Thus, here we |
| 466 | // need to wait until the releasd is confirmed before creating another |
| 467 | // consumer. |
| 468 | EXPECT_LT(0, RETRY_EINTR(p->Poll(kPollTimeoutMs))); |
| 469 | EXPECT_TRUE(IsBufferReleased(p->buffer_state())); |
| 470 | |
Jiwen 'Steve' Cai | 9e7f303 | 2017-10-20 18:39:47 -0700 | [diff] [blame] | 471 | // Create another consumer immediately after the release, should not make the |
Jiwen 'Steve' Cai | 2d89e6b | 2017-12-06 16:32:22 -0800 | [diff] [blame] | 472 | // buffer un-released. |
Jiwen 'Steve' Cai | 9e7f303 | 2017-10-20 18:39:47 -0700 | [diff] [blame] | 473 | std::unique_ptr<BufferConsumer> c2 = |
| 474 | BufferConsumer::Import(p->CreateConsumer()); |
| 475 | ASSERT_TRUE(c2.get() != nullptr); |
| 476 | |
Jiwen 'Steve' Cai | 9e7f303 | 2017-10-20 18:39:47 -0700 | [diff] [blame] | 477 | EXPECT_TRUE(IsBufferReleased(p->buffer_state())); |
| 478 | EXPECT_EQ(0, p->GainAsync(&metadata, &invalid_fence)); |
| 479 | EXPECT_TRUE(IsBufferGained(p->buffer_state())); |
| 480 | } |
| 481 | |
Alex Vakulenko | e4eec20 | 2017-01-27 14:41:04 -0800 | [diff] [blame] | 482 | TEST_F(LibBufferHubTest, TestWithCustomMetadata) { |
| 483 | struct Metadata { |
| 484 | int64_t field1; |
| 485 | int64_t field2; |
| 486 | }; |
| 487 | std::unique_ptr<BufferProducer> p = BufferProducer::Create( |
| 488 | kWidth, kHeight, kFormat, kUsage, sizeof(Metadata)); |
| 489 | ASSERT_TRUE(p.get() != nullptr); |
| 490 | std::unique_ptr<BufferConsumer> c = |
| 491 | BufferConsumer::Import(p->CreateConsumer()); |
| 492 | ASSERT_TRUE(c.get() != nullptr); |
| 493 | |
| 494 | Metadata m = {1, 3}; |
| 495 | EXPECT_EQ(0, p->Post(LocalHandle(), m)); |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 496 | EXPECT_LE(0, RETRY_EINTR(c->Poll(kPollTimeoutMs))); |
Alex Vakulenko | e4eec20 | 2017-01-27 14:41:04 -0800 | [diff] [blame] | 497 | |
| 498 | LocalHandle fence; |
| 499 | Metadata m2 = {}; |
| 500 | EXPECT_EQ(0, c->Acquire(&fence, &m2)); |
| 501 | EXPECT_EQ(m.field1, m2.field1); |
| 502 | EXPECT_EQ(m.field2, m2.field2); |
| 503 | |
| 504 | EXPECT_EQ(0, c->Release(LocalHandle())); |
Alex Vakulenko | 4fe6058 | 2017-02-02 11:35:59 -0800 | [diff] [blame] | 505 | EXPECT_LT(0, RETRY_EINTR(p->Poll(0))); |
Alex Vakulenko | e4eec20 | 2017-01-27 14:41:04 -0800 | [diff] [blame] | 506 | } |
| 507 | |
| 508 | TEST_F(LibBufferHubTest, TestPostWithWrongMetaSize) { |
| 509 | struct Metadata { |
| 510 | int64_t field1; |
| 511 | int64_t field2; |
| 512 | }; |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 513 | struct OverSizedMetadata { |
| 514 | int64_t field1; |
| 515 | int64_t field2; |
| 516 | int64_t field3; |
| 517 | }; |
Alex Vakulenko | e4eec20 | 2017-01-27 14:41:04 -0800 | [diff] [blame] | 518 | std::unique_ptr<BufferProducer> p = BufferProducer::Create( |
| 519 | kWidth, kHeight, kFormat, kUsage, sizeof(Metadata)); |
| 520 | ASSERT_TRUE(p.get() != nullptr); |
| 521 | std::unique_ptr<BufferConsumer> c = |
| 522 | BufferConsumer::Import(p->CreateConsumer()); |
| 523 | ASSERT_TRUE(c.get() != nullptr); |
| 524 | |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 525 | // It is illegal to post metadata larger than originally requested during |
| 526 | // buffer allocation. |
| 527 | OverSizedMetadata evil_meta = {}; |
| 528 | EXPECT_NE(0, p->Post(LocalHandle(), evil_meta)); |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 529 | EXPECT_GE(0, RETRY_EINTR(c->Poll(kPollTimeoutMs))); |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 530 | |
| 531 | // It is ok to post metadata smaller than originally requested during |
| 532 | // buffer allocation. |
| 533 | int64_t sequence = 42; |
| 534 | EXPECT_EQ(0, p->Post(LocalHandle(), sequence)); |
Alex Vakulenko | e4eec20 | 2017-01-27 14:41:04 -0800 | [diff] [blame] | 535 | } |
| 536 | |
| 537 | TEST_F(LibBufferHubTest, TestAcquireWithWrongMetaSize) { |
| 538 | struct Metadata { |
| 539 | int64_t field1; |
| 540 | int64_t field2; |
| 541 | }; |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 542 | struct OverSizedMetadata { |
| 543 | int64_t field1; |
| 544 | int64_t field2; |
| 545 | int64_t field3; |
| 546 | }; |
Alex Vakulenko | e4eec20 | 2017-01-27 14:41:04 -0800 | [diff] [blame] | 547 | std::unique_ptr<BufferProducer> p = BufferProducer::Create( |
| 548 | kWidth, kHeight, kFormat, kUsage, sizeof(Metadata)); |
| 549 | ASSERT_TRUE(p.get() != nullptr); |
| 550 | std::unique_ptr<BufferConsumer> c = |
| 551 | BufferConsumer::Import(p->CreateConsumer()); |
| 552 | ASSERT_TRUE(c.get() != nullptr); |
| 553 | |
| 554 | Metadata m = {1, 3}; |
| 555 | EXPECT_EQ(0, p->Post(LocalHandle(), m)); |
| 556 | |
| 557 | LocalHandle fence; |
| 558 | int64_t sequence; |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 559 | OverSizedMetadata e; |
| 560 | |
| 561 | // It is illegal to acquire metadata larger than originally requested during |
| 562 | // buffer allocation. |
| 563 | EXPECT_NE(0, c->Acquire(&fence, &e)); |
| 564 | |
| 565 | // It is ok to acquire metadata smaller than originally requested during |
| 566 | // buffer allocation. |
| 567 | EXPECT_EQ(0, c->Acquire(&fence, &sequence)); |
| 568 | EXPECT_EQ(m.field1, sequence); |
Alex Vakulenko | e4eec20 | 2017-01-27 14:41:04 -0800 | [diff] [blame] | 569 | } |
| 570 | |
| 571 | TEST_F(LibBufferHubTest, TestAcquireWithNoMeta) { |
| 572 | std::unique_ptr<BufferProducer> p = BufferProducer::Create( |
| 573 | kWidth, kHeight, kFormat, kUsage, sizeof(uint64_t)); |
| 574 | ASSERT_TRUE(p.get() != nullptr); |
| 575 | std::unique_ptr<BufferConsumer> c = |
| 576 | BufferConsumer::Import(p->CreateConsumer()); |
| 577 | ASSERT_TRUE(c.get() != nullptr); |
| 578 | |
| 579 | int64_t sequence = 3; |
| 580 | EXPECT_EQ(0, p->Post(LocalHandle(), sequence)); |
| 581 | |
| 582 | LocalHandle fence; |
| 583 | EXPECT_EQ(0, c->Acquire(&fence)); |
| 584 | } |
| 585 | |
| 586 | TEST_F(LibBufferHubTest, TestWithNoMeta) { |
| 587 | std::unique_ptr<BufferProducer> p = |
| 588 | BufferProducer::Create(kWidth, kHeight, kFormat, kUsage); |
| 589 | ASSERT_TRUE(p.get() != nullptr); |
| 590 | std::unique_ptr<BufferConsumer> c = |
| 591 | BufferConsumer::Import(p->CreateConsumer()); |
| 592 | ASSERT_TRUE(c.get() != nullptr); |
| 593 | |
| 594 | LocalHandle fence; |
| 595 | |
| 596 | EXPECT_EQ(0, p->Post<void>(LocalHandle())); |
| 597 | EXPECT_EQ(0, c->Acquire(&fence)); |
| 598 | } |
| 599 | |
| 600 | TEST_F(LibBufferHubTest, TestFailureToPostMetaFromABufferWithoutMeta) { |
| 601 | std::unique_ptr<BufferProducer> p = |
| 602 | BufferProducer::Create(kWidth, kHeight, kFormat, kUsage); |
| 603 | ASSERT_TRUE(p.get() != nullptr); |
| 604 | std::unique_ptr<BufferConsumer> c = |
| 605 | BufferConsumer::Import(p->CreateConsumer()); |
| 606 | ASSERT_TRUE(c.get() != nullptr); |
| 607 | |
| 608 | int64_t sequence = 3; |
| 609 | EXPECT_NE(0, p->Post(LocalHandle(), sequence)); |
| 610 | } |
| 611 | |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 612 | namespace { |
| 613 | |
| 614 | int PollFd(int fd, int timeout_ms) { |
| 615 | pollfd p = {fd, POLLIN, 0}; |
| 616 | return poll(&p, 1, timeout_ms); |
| 617 | } |
| 618 | |
| 619 | } // namespace |
| 620 | |
| 621 | TEST_F(LibBufferHubTest, TestAcquireFence) { |
| 622 | std::unique_ptr<BufferProducer> p = BufferProducer::Create( |
| 623 | kWidth, kHeight, kFormat, kUsage, /*metadata_size=*/0); |
| 624 | ASSERT_TRUE(p.get() != nullptr); |
| 625 | std::unique_ptr<BufferConsumer> c = |
| 626 | BufferConsumer::Import(p->CreateConsumer()); |
| 627 | ASSERT_TRUE(c.get() != nullptr); |
| 628 | |
| 629 | DvrNativeBufferMetadata meta; |
| 630 | LocalHandle f1(eventfd(0, EFD_CLOEXEC | EFD_NONBLOCK)); |
| 631 | |
| 632 | // Post with unsignaled fence. |
| 633 | EXPECT_EQ(0, p->PostAsync(&meta, f1)); |
| 634 | |
| 635 | // Should acquire a valid fence. |
| 636 | LocalHandle f2; |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 637 | EXPECT_LT(0, RETRY_EINTR(c->Poll(kPollTimeoutMs))); |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 638 | EXPECT_EQ(0, c->AcquireAsync(&meta, &f2)); |
| 639 | EXPECT_TRUE(f2.IsValid()); |
| 640 | // The original fence and acquired fence should have different fd number. |
| 641 | EXPECT_NE(f1.Get(), f2.Get()); |
| 642 | EXPECT_GE(0, PollFd(f2.Get(), 0)); |
| 643 | |
| 644 | // Signal the original fence will trigger the new fence. |
| 645 | eventfd_write(f1.Get(), 1); |
| 646 | // Now the original FD has been signaled. |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 647 | EXPECT_LT(0, PollFd(f2.Get(), kPollTimeoutMs)); |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 648 | |
| 649 | // Release the consumer with an invalid fence. |
| 650 | EXPECT_EQ(0, c->ReleaseAsync(&meta, LocalHandle())); |
| 651 | |
| 652 | // Should gain an invalid fence. |
| 653 | LocalHandle f3; |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 654 | EXPECT_LT(0, RETRY_EINTR(p->Poll(kPollTimeoutMs))); |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 655 | EXPECT_EQ(0, p->GainAsync(&meta, &f3)); |
| 656 | EXPECT_FALSE(f3.IsValid()); |
| 657 | |
| 658 | // Post with a signaled fence. |
| 659 | EXPECT_EQ(0, p->PostAsync(&meta, f1)); |
| 660 | |
| 661 | // Should acquire a valid fence and it's already signalled. |
| 662 | LocalHandle f4; |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 663 | EXPECT_LT(0, RETRY_EINTR(c->Poll(kPollTimeoutMs))); |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 664 | EXPECT_EQ(0, c->AcquireAsync(&meta, &f4)); |
| 665 | EXPECT_TRUE(f4.IsValid()); |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 666 | EXPECT_LT(0, PollFd(f4.Get(), kPollTimeoutMs)); |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 667 | |
| 668 | // Release with an unsignalled fence and signal it immediately after release |
| 669 | // without producer gainning. |
| 670 | LocalHandle f5(eventfd(0, EFD_CLOEXEC | EFD_NONBLOCK)); |
| 671 | EXPECT_EQ(0, c->ReleaseAsync(&meta, f5)); |
| 672 | eventfd_write(f5.Get(), 1); |
| 673 | |
| 674 | // Should gain a valid fence, which is already signaled. |
| 675 | LocalHandle f6; |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 676 | EXPECT_LT(0, RETRY_EINTR(p->Poll(kPollTimeoutMs))); |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 677 | EXPECT_EQ(0, p->GainAsync(&meta, &f6)); |
| 678 | EXPECT_TRUE(f6.IsValid()); |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 679 | EXPECT_LT(0, PollFd(f6.Get(), kPollTimeoutMs)); |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 680 | } |
| 681 | |
| 682 | TEST_F(LibBufferHubTest, TestOrphanedAcquire) { |
| 683 | std::unique_ptr<BufferProducer> p = BufferProducer::Create( |
| 684 | kWidth, kHeight, kFormat, kUsage, sizeof(uint64_t)); |
| 685 | ASSERT_TRUE(p.get() != nullptr); |
| 686 | std::unique_ptr<BufferConsumer> c1 = |
| 687 | BufferConsumer::Import(p->CreateConsumer()); |
| 688 | ASSERT_TRUE(c1.get() != nullptr); |
| 689 | const uint64_t consumer_state_bit1 = c1->buffer_state_bit(); |
| 690 | |
| 691 | DvrNativeBufferMetadata meta; |
| 692 | EXPECT_EQ(0, p->PostAsync(&meta, LocalHandle())); |
| 693 | |
| 694 | LocalHandle fence; |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 695 | EXPECT_LT(0, RETRY_EINTR(c1->Poll(kPollTimeoutMs))); |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 696 | EXPECT_LE(0, c1->AcquireAsync(&meta, &fence)); |
| 697 | // Destroy the consumer now will make it orphaned and the buffer is still |
| 698 | // acquired. |
| 699 | c1 = nullptr; |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 700 | EXPECT_GE(0, RETRY_EINTR(p->Poll(kPollTimeoutMs))); |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 701 | |
| 702 | std::unique_ptr<BufferConsumer> c2 = |
| 703 | BufferConsumer::Import(p->CreateConsumer()); |
| 704 | ASSERT_TRUE(c2.get() != nullptr); |
| 705 | const uint64_t consumer_state_bit2 = c2->buffer_state_bit(); |
| 706 | EXPECT_NE(consumer_state_bit1, consumer_state_bit2); |
| 707 | |
| 708 | // The new consumer is available for acquire. |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 709 | EXPECT_LT(0, RETRY_EINTR(c2->Poll(kPollTimeoutMs))); |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 710 | EXPECT_LE(0, c2->AcquireAsync(&meta, &fence)); |
| 711 | // Releasing the consumer makes the buffer gainable. |
| 712 | EXPECT_EQ(0, c2->ReleaseAsync(&meta, LocalHandle())); |
| 713 | |
| 714 | // The buffer is now available for the producer to gain. |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 715 | EXPECT_LT(0, RETRY_EINTR(p->Poll(kPollTimeoutMs))); |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 716 | |
| 717 | // But if another consumer is created in released state. |
| 718 | std::unique_ptr<BufferConsumer> c3 = |
| 719 | BufferConsumer::Import(p->CreateConsumer()); |
| 720 | ASSERT_TRUE(c3.get() != nullptr); |
| 721 | const uint64_t consumer_state_bit3 = c3->buffer_state_bit(); |
| 722 | EXPECT_NE(consumer_state_bit2, consumer_state_bit3); |
| 723 | // The consumer buffer is not acquirable. |
Jiwen 'Steve' Cai | 30be111 | 2017-11-08 17:12:20 -0800 | [diff] [blame] | 724 | EXPECT_GE(0, RETRY_EINTR(c3->Poll(kPollTimeoutMs))); |
Corey Tabaka | 52ea25c | 2017-09-13 18:02:48 -0700 | [diff] [blame] | 725 | EXPECT_EQ(-EBUSY, c3->AcquireAsync(&meta, &fence)); |
| 726 | |
| 727 | // Producer should be able to gain no matter what. |
| 728 | EXPECT_EQ(0, p->GainAsync(&meta, &fence)); |
| 729 | } |
Jiwen 'Steve' Cai | 23c1a73 | 2018-03-12 12:16:47 -0700 | [diff] [blame] | 730 | |
| 731 | TEST_F(LibBufferHubTest, TestDetachBufferFromProducer) { |
| 732 | std::unique_ptr<BufferProducer> p = BufferProducer::Create( |
| 733 | kWidth, kHeight, kFormat, kUsage, sizeof(uint64_t)); |
| 734 | std::unique_ptr<BufferConsumer> c = |
| 735 | BufferConsumer::Import(p->CreateConsumer()); |
| 736 | ASSERT_TRUE(p.get() != nullptr); |
| 737 | ASSERT_TRUE(c.get() != nullptr); |
| 738 | |
| 739 | DvrNativeBufferMetadata metadata; |
| 740 | LocalHandle invalid_fence; |
Jiwen 'Steve' Cai | a8049a2 | 2018-03-28 15:14:02 -0700 | [diff] [blame^] | 741 | int p_id = p->id(); |
Jiwen 'Steve' Cai | 23c1a73 | 2018-03-12 12:16:47 -0700 | [diff] [blame] | 742 | |
| 743 | // Detach in posted state should fail. |
| 744 | EXPECT_EQ(0, p->PostAsync(&metadata, invalid_fence)); |
| 745 | EXPECT_GT(RETRY_EINTR(c->Poll(kPollTimeoutMs)), 0); |
| 746 | auto s1 = p->Detach(); |
| 747 | EXPECT_FALSE(s1); |
| 748 | |
| 749 | // Detach in acquired state should fail. |
| 750 | EXPECT_EQ(0, c->AcquireAsync(&metadata, &invalid_fence)); |
| 751 | s1 = p->Detach(); |
| 752 | EXPECT_FALSE(s1); |
| 753 | |
| 754 | // Detach in released state should fail. |
| 755 | EXPECT_EQ(0, c->ReleaseAsync(&metadata, invalid_fence)); |
| 756 | EXPECT_GT(RETRY_EINTR(p->Poll(kPollTimeoutMs)), 0); |
| 757 | s1 = p->Detach(); |
| 758 | EXPECT_FALSE(s1); |
| 759 | |
| 760 | // Detach in gained state should succeed. |
| 761 | EXPECT_EQ(0, p->GainAsync(&metadata, &invalid_fence)); |
| 762 | s1 = p->Detach(); |
| 763 | EXPECT_TRUE(s1); |
| 764 | |
Jiwen 'Steve' Cai | a8049a2 | 2018-03-28 15:14:02 -0700 | [diff] [blame^] | 765 | LocalChannelHandle handle = s1.take(); |
| 766 | EXPECT_TRUE(handle.valid()); |
Jiwen 'Steve' Cai | 23c1a73 | 2018-03-12 12:16:47 -0700 | [diff] [blame] | 767 | |
| 768 | // Both producer and consumer should have hangup. |
| 769 | EXPECT_GT(RETRY_EINTR(p->Poll(kPollTimeoutMs)), 0); |
| 770 | auto s2 = p->GetEventMask(POLLHUP); |
| 771 | EXPECT_TRUE(s2); |
| 772 | EXPECT_EQ(s2.get(), POLLHUP); |
| 773 | |
| 774 | EXPECT_GT(RETRY_EINTR(c->Poll(kPollTimeoutMs)), 0); |
| 775 | s2 = p->GetEventMask(POLLHUP); |
| 776 | EXPECT_TRUE(s2); |
| 777 | EXPECT_EQ(s2.get(), POLLHUP); |
| 778 | |
| 779 | auto s3 = p->CreateConsumer(); |
| 780 | EXPECT_FALSE(s3); |
Jiwen 'Steve' Cai | fe924f3 | 2018-03-27 13:29:13 -0700 | [diff] [blame] | 781 | // Note that here the expected error code is EOPNOTSUPP as the socket towards |
| 782 | // ProducerChannel has been teared down. |
Jiwen 'Steve' Cai | 23c1a73 | 2018-03-12 12:16:47 -0700 | [diff] [blame] | 783 | EXPECT_EQ(s3.error(), EOPNOTSUPP); |
| 784 | |
| 785 | s3 = c->CreateConsumer(); |
| 786 | EXPECT_FALSE(s3); |
Jiwen 'Steve' Cai | fe924f3 | 2018-03-27 13:29:13 -0700 | [diff] [blame] | 787 | // Note that here the expected error code is EPIPE returned from |
| 788 | // ConsumerChannel::HandleMessage as the socket is still open but the producer |
| 789 | // is gone. |
| 790 | EXPECT_EQ(s3.error(), EPIPE); |
Jiwen 'Steve' Cai | a8049a2 | 2018-03-28 15:14:02 -0700 | [diff] [blame^] | 791 | |
| 792 | // Detached buffer handle can be use to construct a new DetachedBuffer object. |
| 793 | auto d = DetachedBuffer::Import(std::move(handle)); |
| 794 | EXPECT_FALSE(handle.valid()); |
| 795 | EXPECT_TRUE(d->IsValid()); |
| 796 | |
| 797 | ASSERT_TRUE(d->buffer() != nullptr); |
| 798 | EXPECT_EQ(d->buffer()->initCheck(), 0); |
| 799 | EXPECT_EQ(d->id(), p_id); |
| 800 | } |
| 801 | |
| 802 | TEST_F(LibBufferHubTest, TestCreateDetachedBufferFails) { |
| 803 | // Buffer Creation will fail: BLOB format requires height to be 1. |
| 804 | auto b1 = DetachedBuffer::Create(kWidth, /*height=2*/2, kLayerCount, |
| 805 | /*format=*/HAL_PIXEL_FORMAT_BLOB, kUsage, |
| 806 | kUserMetadataSize); |
| 807 | |
| 808 | EXPECT_FALSE(b1->IsValid()); |
| 809 | EXPECT_TRUE(b1->buffer() == nullptr); |
| 810 | |
| 811 | // Buffer Creation will fail: user metadata size too large. |
| 812 | auto b2 = DetachedBuffer::Create( |
| 813 | kWidth, kHeight, kLayerCount, kFormat, kUsage, |
| 814 | /*user_metadata_size=*/std::numeric_limits<size_t>::max()); |
| 815 | |
| 816 | EXPECT_FALSE(b2->IsValid()); |
| 817 | EXPECT_TRUE(b2->buffer() == nullptr); |
| 818 | |
| 819 | // Buffer Creation will fail: user metadata size too large. |
| 820 | auto b3 = DetachedBuffer::Create( |
| 821 | kWidth, kHeight, kLayerCount, kFormat, kUsage, |
| 822 | /*user_metadata_size=*/std::numeric_limits<size_t>::max() - |
| 823 | kMetadataHeaderSize); |
| 824 | |
| 825 | EXPECT_FALSE(b3->IsValid()); |
| 826 | EXPECT_TRUE(b3->buffer() == nullptr); |
| 827 | } |
| 828 | |
| 829 | TEST_F(LibBufferHubTest, TestCreateDetachedBuffer) { |
| 830 | auto b1 = DetachedBuffer::Create(kWidth, kHeight, kLayerCount, kFormat, |
| 831 | kUsage, kUserMetadataSize); |
| 832 | int b1_id = b1->id(); |
| 833 | |
| 834 | EXPECT_TRUE(b1->IsValid()); |
| 835 | ASSERT_TRUE(b1->buffer() != nullptr); |
| 836 | EXPECT_NE(b1->id(), 0); |
| 837 | EXPECT_EQ(b1->buffer()->initCheck(), 0); |
| 838 | EXPECT_FALSE(b1->buffer()->isDetachedBuffer()); |
| 839 | |
| 840 | // Takes a standalone GraphicBuffer which still holds on an |
| 841 | // PDX::LocalChannelHandle towards BufferHub. |
| 842 | sp<GraphicBuffer> g1 = b1->TakeGraphicBuffer(); |
| 843 | ASSERT_TRUE(g1 != nullptr); |
| 844 | EXPECT_TRUE(g1->isDetachedBuffer()); |
| 845 | |
| 846 | EXPECT_FALSE(b1->IsValid()); |
| 847 | EXPECT_TRUE(b1->buffer() == nullptr); |
| 848 | |
| 849 | sp<GraphicBuffer> g2 = b1->TakeGraphicBuffer(); |
| 850 | ASSERT_TRUE(g2 == nullptr); |
| 851 | |
| 852 | auto h1 = g1->takeDetachedBufferHandle(); |
| 853 | ASSERT_TRUE(h1 != nullptr); |
| 854 | ASSERT_TRUE(h1->isValid()); |
| 855 | EXPECT_FALSE(g1->isDetachedBuffer()); |
| 856 | |
| 857 | auto b2 = DetachedBuffer::Import(std::move(h1->handle())); |
| 858 | ASSERT_FALSE(h1->isValid()); |
| 859 | EXPECT_TRUE(b2->IsValid()); |
| 860 | |
| 861 | ASSERT_TRUE(b2->buffer() != nullptr); |
| 862 | EXPECT_EQ(b2->buffer()->initCheck(), 0); |
| 863 | |
| 864 | // The newly created DetachedBuffer should share the original buffer_id. |
| 865 | EXPECT_EQ(b2->id(), b1_id); |
| 866 | EXPECT_FALSE(b2->buffer()->isDetachedBuffer()); |
Jiwen 'Steve' Cai | 23c1a73 | 2018-03-12 12:16:47 -0700 | [diff] [blame] | 867 | } |