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Side by Side Diff: components/mus/gles2/command_buffer_local.cc

Issue 2119963002: Move mus to //services/ui (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: . Created 4 years, 5 months ago
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1 // Copyright 2015 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "components/mus/gles2/command_buffer_local.h"
6
7 #include "base/atomic_sequence_num.h"
8 #include "base/bind.h"
9 #include "base/memory/shared_memory.h"
10 #include "base/synchronization/waitable_event.h"
11 #include "base/threading/thread_task_runner_handle.h"
12 #include "components/mus/common/gpu_type_converters.h"
13 #include "components/mus/common/mojo_buffer_backing.h"
14 #include "components/mus/common/mojo_gpu_memory_buffer.h"
15 #include "components/mus/gles2/command_buffer_driver.h"
16 #include "components/mus/gles2/command_buffer_local_client.h"
17 #include "components/mus/gles2/gpu_memory_tracker.h"
18 #include "components/mus/gles2/gpu_state.h"
19 #include "gpu/command_buffer/client/gpu_control_client.h"
20 #include "gpu/command_buffer/common/gpu_memory_buffer_support.h"
21 #include "gpu/command_buffer/common/sync_token.h"
22 #include "gpu/command_buffer/service/command_buffer_service.h"
23 #include "gpu/command_buffer/service/context_group.h"
24 #include "gpu/command_buffer/service/image_manager.h"
25 #include "gpu/command_buffer/service/memory_tracking.h"
26 #include "gpu/command_buffer/service/shader_translator_cache.h"
27 #include "gpu/command_buffer/service/transfer_buffer_manager.h"
28 #include "mojo/public/cpp/system/platform_handle.h"
29 #include "ui/gfx/buffer_format_util.h"
30 #include "ui/gfx/vsync_provider.h"
31 #include "ui/gl/gl_context.h"
32 #include "ui/gl/gl_image_shared_memory.h"
33 #include "ui/gl/gl_surface.h"
34
35 namespace mus {
36
37 namespace {
38
39 uint64_t g_next_command_buffer_id = 0;
40
41 bool CreateAndMapSharedBuffer(size_t size,
42 mojo::ScopedSharedBufferMapping* mapping,
43 mojo::ScopedSharedBufferHandle* handle) {
44 *handle = mojo::SharedBufferHandle::Create(size);
45 if (!handle->is_valid())
46 return false;
47
48 *mapping = (*handle)->Map(size);
49 if (!*mapping)
50 return false;
51
52 return true;
53 }
54
55 void PostTask(const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
56 const base::Closure& callback) {
57 task_runner->PostTask(FROM_HERE, callback);
58 }
59 }
60
61 const unsigned int GL_READ_WRITE_CHROMIUM = 0x78F2;
62
63 CommandBufferLocal::CommandBufferLocal(CommandBufferLocalClient* client,
64 gfx::AcceleratedWidget widget,
65 const scoped_refptr<GpuState>& gpu_state)
66 : widget_(widget),
67 gpu_state_(gpu_state),
68 client_(client),
69 client_thread_task_runner_(base::ThreadTaskRunnerHandle::Get()),
70 gpu_control_client_(nullptr),
71 next_transfer_buffer_id_(0),
72 next_image_id_(0),
73 next_fence_sync_release_(1),
74 flushed_fence_sync_release_(0),
75 lost_context_(false),
76 sync_point_client_waiter_(
77 gpu_state->sync_point_manager()->CreateSyncPointClientWaiter()),
78 weak_factory_(this) {
79 weak_ptr_ = weak_factory_.GetWeakPtr();
80 }
81
82 void CommandBufferLocal::Destroy() {
83 DCHECK(CalledOnValidThread());
84 // After this |Destroy()| call, this object will not be used by client anymore
85 // and it will be deleted on the GPU thread. So we have to detach it from the
86 // client thread first.
87 DetachFromThread();
88
89 weak_factory_.InvalidateWeakPtrs();
90 // CommandBufferLocal is initialized on the GPU thread with
91 // InitializeOnGpuThread(), so we need delete memebers on the GPU thread
92 // too. Additionally we need to make sure we are deleted before returning,
93 // otherwise we may attempt to use the AcceleratedWidget which has since been
94 // destroyed.
95 base::WaitableEvent event(base::WaitableEvent::ResetPolicy::MANUAL,
96 base::WaitableEvent::InitialState::NOT_SIGNALED);
97 gpu_state_->command_buffer_task_runner()->PostTask(
98 driver_.get(), base::Bind(&CommandBufferLocal::DeleteOnGpuThread,
99 base::Unretained(this), &event));
100 event.Wait();
101 }
102
103 bool CommandBufferLocal::Initialize() {
104 DCHECK(CalledOnValidThread());
105 base::ThreadRestrictions::ScopedAllowWait allow_wait;
106 base::WaitableEvent event(base::WaitableEvent::ResetPolicy::MANUAL,
107 base::WaitableEvent::InitialState::NOT_SIGNALED);
108 bool result = false;
109 gpu_state_->command_buffer_task_runner()->task_runner()->PostTask(
110 FROM_HERE,
111 base::Bind(&CommandBufferLocal::InitializeOnGpuThread,
112 base::Unretained(this), base::Unretained(&event),
113 base::Unretained(&result)));
114 event.Wait();
115 return result;
116 }
117
118 gpu::CommandBuffer::State CommandBufferLocal::GetLastState() {
119 DCHECK(CalledOnValidThread());
120 return last_state_;
121 }
122
123 int32_t CommandBufferLocal::GetLastToken() {
124 DCHECK(CalledOnValidThread());
125 TryUpdateState();
126 return last_state_.token;
127 }
128
129 void CommandBufferLocal::Flush(int32_t put_offset) {
130 DCHECK(CalledOnValidThread());
131 if (last_put_offset_ == put_offset)
132 return;
133
134 last_put_offset_ = put_offset;
135 gpu::SyncPointManager* sync_point_manager = gpu_state_->sync_point_manager();
136 const uint32_t order_num =
137 driver_->sync_point_order_data()->GenerateUnprocessedOrderNumber(
138 sync_point_manager);
139 gpu_state_->command_buffer_task_runner()->PostTask(
140 driver_.get(), base::Bind(&CommandBufferLocal::FlushOnGpuThread,
141 base::Unretained(this), put_offset, order_num));
142 flushed_fence_sync_release_ = next_fence_sync_release_ - 1;
143 }
144
145 void CommandBufferLocal::OrderingBarrier(int32_t put_offset) {
146 DCHECK(CalledOnValidThread());
147 // TODO(penghuang): Implement this more efficiently.
148 Flush(put_offset);
149 }
150
151 void CommandBufferLocal::WaitForTokenInRange(int32_t start, int32_t end) {
152 DCHECK(CalledOnValidThread());
153 TryUpdateState();
154 while (!InRange(start, end, last_state_.token) &&
155 last_state_.error == gpu::error::kNoError) {
156 MakeProgressAndUpdateState();
157 }
158 }
159
160 void CommandBufferLocal::WaitForGetOffsetInRange(int32_t start, int32_t end) {
161 DCHECK(CalledOnValidThread());
162 TryUpdateState();
163 while (!InRange(start, end, last_state_.get_offset) &&
164 last_state_.error == gpu::error::kNoError) {
165 MakeProgressAndUpdateState();
166 }
167 }
168
169 void CommandBufferLocal::SetGetBuffer(int32_t buffer) {
170 DCHECK(CalledOnValidThread());
171 gpu_state_->command_buffer_task_runner()->PostTask(
172 driver_.get(), base::Bind(&CommandBufferLocal::SetGetBufferOnGpuThread,
173 base::Unretained(this), buffer));
174 last_put_offset_ = -1;
175 }
176
177 scoped_refptr<gpu::Buffer> CommandBufferLocal::CreateTransferBuffer(
178 size_t size,
179 int32_t* id) {
180 DCHECK(CalledOnValidThread());
181 if (size >= std::numeric_limits<uint32_t>::max())
182 return nullptr;
183
184 mojo::ScopedSharedBufferMapping mapping;
185 mojo::ScopedSharedBufferHandle handle;
186 if (!CreateAndMapSharedBuffer(size, &mapping, &handle)) {
187 if (last_state_.error == gpu::error::kNoError)
188 last_state_.error = gpu::error::kLostContext;
189 return nullptr;
190 }
191
192 *id = ++next_transfer_buffer_id_;
193
194 gpu_state_->command_buffer_task_runner()->PostTask(
195 driver_.get(),
196 base::Bind(&CommandBufferLocal::RegisterTransferBufferOnGpuThread,
197 base::Unretained(this), *id, base::Passed(&handle),
198 static_cast<uint32_t>(size)));
199 std::unique_ptr<gpu::BufferBacking> backing(
200 new mus::MojoBufferBacking(std::move(mapping), size));
201 scoped_refptr<gpu::Buffer> buffer(new gpu::Buffer(std::move(backing)));
202 return buffer;
203 }
204
205 void CommandBufferLocal::DestroyTransferBuffer(int32_t id) {
206 DCHECK(CalledOnValidThread());
207 gpu_state_->command_buffer_task_runner()->PostTask(
208 driver_.get(),
209 base::Bind(&CommandBufferLocal::DestroyTransferBufferOnGpuThread,
210 base::Unretained(this), id));
211 }
212
213 void CommandBufferLocal::SetGpuControlClient(gpu::GpuControlClient* client) {
214 gpu_control_client_ = client;
215 }
216
217 gpu::Capabilities CommandBufferLocal::GetCapabilities() {
218 DCHECK(CalledOnValidThread());
219 return capabilities_;
220 }
221
222 int32_t CommandBufferLocal::CreateImage(ClientBuffer buffer,
223 size_t width,
224 size_t height,
225 unsigned internal_format) {
226 DCHECK(CalledOnValidThread());
227 int32_t new_id = ++next_image_id_;
228 gfx::Size size(static_cast<int32_t>(width), static_cast<int32_t>(height));
229
230 mus::MojoGpuMemoryBufferImpl* gpu_memory_buffer =
231 mus::MojoGpuMemoryBufferImpl::FromClientBuffer(buffer);
232
233 bool requires_sync_point = false;
234
235 if (gpu_memory_buffer->GetBufferType() == gfx::SHARED_MEMORY_BUFFER) {
236 gfx::GpuMemoryBufferHandle handle = gpu_memory_buffer->GetHandle();
237 // TODO(rjkroege): Verify that this is required and update appropriately.
238 base::SharedMemoryHandle dupd_handle =
239 base::SharedMemory::DuplicateHandle(handle.handle);
240 #if defined(OS_WIN)
241 HANDLE platform_file = dupd_handle.GetHandle();
242 #else
243 int platform_file = dupd_handle.fd;
244 #endif
245
246 mojo::ScopedHandle scoped_handle = mojo::WrapPlatformFile(platform_file);
247 const int32_t format = static_cast<int32_t>(gpu_memory_buffer->GetFormat());
248 gpu_state_->command_buffer_task_runner()->PostTask(
249 driver_.get(),
250 base::Bind(&CommandBufferLocal::CreateImageOnGpuThread,
251 base::Unretained(this), new_id, base::Passed(&scoped_handle),
252 handle.type, base::Passed(&size), format, internal_format));
253 #if defined(USE_OZONE)
254 } else if (gpu_memory_buffer->GetBufferType() == gfx::OZONE_NATIVE_PIXMAP) {
255 gpu_state_->command_buffer_task_runner()->PostTask(
256 driver_.get(),
257 base::Bind(&CommandBufferLocal::CreateImageNativeOzoneOnGpuThread,
258 base::Unretained(this), new_id,
259 gpu_memory_buffer->GetBufferType(),
260 gpu_memory_buffer->GetSize(), gpu_memory_buffer->GetFormat(),
261 internal_format,
262 base::RetainedRef(gpu_memory_buffer->GetNativePixmap())));
263 #endif
264 } else {
265 NOTIMPLEMENTED();
266 return -1;
267 }
268
269 if (requires_sync_point) {
270 NOTIMPLEMENTED() << "Require sync points";
271 // TODO(jam): need to support this if we support types other than
272 // SHARED_MEMORY_BUFFER.
273 // gpu_memory_buffer_manager->SetDestructionSyncPoint(gpu_memory_buffer,
274 // InsertSyncPoint());
275 }
276
277 return new_id;
278 }
279
280 void CommandBufferLocal::DestroyImage(int32_t id) {
281 DCHECK(CalledOnValidThread());
282 gpu_state_->command_buffer_task_runner()->PostTask(
283 driver_.get(), base::Bind(&CommandBufferLocal::DestroyImageOnGpuThread,
284 base::Unretained(this), id));
285 }
286
287 int32_t CommandBufferLocal::CreateGpuMemoryBufferImage(size_t width,
288 size_t height,
289 unsigned internal_format,
290 unsigned usage) {
291 DCHECK(CalledOnValidThread());
292 DCHECK_EQ(usage, static_cast<unsigned>(GL_READ_WRITE_CHROMIUM));
293 std::unique_ptr<gfx::GpuMemoryBuffer> buffer(MojoGpuMemoryBufferImpl::Create(
294 gfx::Size(static_cast<int>(width), static_cast<int>(height)),
295 gpu::DefaultBufferFormatForImageFormat(internal_format),
296 gfx::BufferUsage::SCANOUT));
297 if (!buffer)
298 return -1;
299 return CreateImage(buffer->AsClientBuffer(), width, height, internal_format);
300 }
301
302 int32_t CommandBufferLocal::GetImageGpuMemoryBufferId(unsigned image_id) {
303 // TODO(erikchen): Once this class supports IOSurface GpuMemoryBuffer backed
304 // images, it will also need to keep a local cache from image id to
305 // GpuMemoryBuffer id.
306 NOTIMPLEMENTED();
307 return -1;
308 }
309
310 void CommandBufferLocal::SignalQuery(uint32_t query_id,
311 const base::Closure& callback) {
312 DCHECK(CalledOnValidThread());
313
314 gpu_state_->command_buffer_task_runner()->PostTask(
315 driver_.get(), base::Bind(&CommandBufferLocal::SignalQueryOnGpuThread,
316 base::Unretained(this), query_id, callback));
317 }
318
319 void CommandBufferLocal::SetLock(base::Lock* lock) {
320 DCHECK(CalledOnValidThread());
321 NOTIMPLEMENTED();
322 }
323
324 void CommandBufferLocal::EnsureWorkVisible() {
325 // This is only relevant for out-of-process command buffers.
326 }
327
328 gpu::CommandBufferNamespace CommandBufferLocal::GetNamespaceID() const {
329 DCHECK(CalledOnValidThread());
330 return gpu::CommandBufferNamespace::MOJO_LOCAL;
331 }
332
333 gpu::CommandBufferId CommandBufferLocal::GetCommandBufferID() const {
334 DCHECK(CalledOnValidThread());
335 return driver_->GetCommandBufferID();
336 }
337
338 int32_t CommandBufferLocal::GetExtraCommandBufferData() const {
339 DCHECK(CalledOnValidThread());
340 return 0;
341 }
342
343 uint64_t CommandBufferLocal::GenerateFenceSyncRelease() {
344 DCHECK(CalledOnValidThread());
345 return next_fence_sync_release_++;
346 }
347
348 bool CommandBufferLocal::IsFenceSyncRelease(uint64_t release) {
349 DCHECK(CalledOnValidThread());
350 return release != 0 && release < next_fence_sync_release_;
351 }
352
353 bool CommandBufferLocal::IsFenceSyncFlushed(uint64_t release) {
354 DCHECK(CalledOnValidThread());
355 return release != 0 && release <= flushed_fence_sync_release_;
356 }
357
358 bool CommandBufferLocal::IsFenceSyncFlushReceived(uint64_t release) {
359 DCHECK(CalledOnValidThread());
360 return IsFenceSyncFlushed(release);
361 }
362
363 void CommandBufferLocal::SignalSyncToken(const gpu::SyncToken& sync_token,
364 const base::Closure& callback) {
365 DCHECK(CalledOnValidThread());
366 scoped_refptr<gpu::SyncPointClientState> release_state =
367 gpu_state_->sync_point_manager()->GetSyncPointClientState(
368 sync_token.namespace_id(), sync_token.command_buffer_id());
369 if (!release_state ||
370 release_state->IsFenceSyncReleased(sync_token.release_count())) {
371 callback.Run();
372 return;
373 }
374
375 sync_point_client_waiter_->WaitOutOfOrderNonThreadSafe(
376 release_state.get(), sync_token.release_count(),
377 client_thread_task_runner_, callback);
378 }
379
380 bool CommandBufferLocal::CanWaitUnverifiedSyncToken(
381 const gpu::SyncToken* sync_token) {
382 DCHECK(CalledOnValidThread());
383 // Right now, MOJO_LOCAL is only used by trusted code, so it is safe to wait
384 // on a sync token in MOJO_LOCAL command buffer.
385 return sync_token->namespace_id() == gpu::CommandBufferNamespace::MOJO_LOCAL;
386 }
387
388 void CommandBufferLocal::DidLoseContext(uint32_t reason) {
389 if (client_) {
390 driver_->set_client(nullptr);
391 client_thread_task_runner_->PostTask(
392 FROM_HERE,
393 base::Bind(&CommandBufferLocal::DidLoseContextOnClientThread,
394 weak_ptr_, reason));
395 }
396 }
397
398 void CommandBufferLocal::UpdateVSyncParameters(
399 const base::TimeTicks& timebase,
400 const base::TimeDelta& interval) {
401 if (client_) {
402 client_thread_task_runner_->PostTask(
403 FROM_HERE,
404 base::Bind(&CommandBufferLocal::UpdateVSyncParametersOnClientThread,
405 weak_ptr_, timebase, interval));
406 }
407 }
408
409 void CommandBufferLocal::OnGpuCompletedSwapBuffers(gfx::SwapResult result) {
410 if (client_) {
411 client_thread_task_runner_->PostTask(
412 FROM_HERE,
413 base::Bind(&CommandBufferLocal::OnGpuCompletedSwapBuffersOnClientThread,
414 weak_ptr_, result));
415 }
416 }
417
418 CommandBufferLocal::~CommandBufferLocal() {}
419
420 void CommandBufferLocal::TryUpdateState() {
421 if (last_state_.error == gpu::error::kNoError)
422 shared_state()->Read(&last_state_);
423 }
424
425 void CommandBufferLocal::MakeProgressAndUpdateState() {
426 base::ThreadRestrictions::ScopedAllowWait allow_wait;
427 base::WaitableEvent event(base::WaitableEvent::ResetPolicy::MANUAL,
428 base::WaitableEvent::InitialState::NOT_SIGNALED);
429 gpu::CommandBuffer::State state;
430 gpu_state_->command_buffer_task_runner()->PostTask(
431 driver_.get(),
432 base::Bind(&CommandBufferLocal::MakeProgressOnGpuThread,
433 base::Unretained(this), base::Unretained(&event),
434 base::Unretained(&state)));
435 event.Wait();
436 if (state.generation - last_state_.generation < 0x80000000U)
437 last_state_ = state;
438 }
439
440 void CommandBufferLocal::InitializeOnGpuThread(base::WaitableEvent* event,
441 bool* result) {
442 driver_.reset(new CommandBufferDriver(
443 gpu::CommandBufferNamespace::MOJO_LOCAL,
444 gpu::CommandBufferId::FromUnsafeValue(++g_next_command_buffer_id),
445 widget_, gpu_state_));
446 driver_->set_client(this);
447 const size_t kSharedStateSize = sizeof(gpu::CommandBufferSharedState);
448 mojo::ScopedSharedBufferMapping mapping;
449 mojo::ScopedSharedBufferHandle handle;
450 *result = CreateAndMapSharedBuffer(kSharedStateSize, &shared_state_, &handle);
451
452 if (!*result) {
453 event->Signal();
454 return;
455 }
456
457 shared_state()->Initialize();
458
459 *result =
460 driver_->Initialize(std::move(handle), mojo::Array<int32_t>::New(0));
461 if (*result)
462 capabilities_ = driver_->GetCapabilities();
463 event->Signal();
464 }
465
466 bool CommandBufferLocal::FlushOnGpuThread(int32_t put_offset,
467 uint32_t order_num) {
468 DCHECK(driver_->IsScheduled());
469 driver_->sync_point_order_data()->BeginProcessingOrderNumber(order_num);
470 driver_->Flush(put_offset);
471
472 // Return false if the Flush is not finished, so the CommandBufferTaskRunner
473 // will not remove this task from the task queue.
474 const bool complete = !driver_->HasUnprocessedCommands();
475 if (complete)
476 driver_->sync_point_order_data()->FinishProcessingOrderNumber(order_num);
477 return complete;
478 }
479
480 bool CommandBufferLocal::SetGetBufferOnGpuThread(int32_t buffer) {
481 DCHECK(driver_->IsScheduled());
482 driver_->SetGetBuffer(buffer);
483 return true;
484 }
485
486 bool CommandBufferLocal::RegisterTransferBufferOnGpuThread(
487 int32_t id,
488 mojo::ScopedSharedBufferHandle transfer_buffer,
489 uint32_t size) {
490 DCHECK(driver_->IsScheduled());
491 driver_->RegisterTransferBuffer(id, std::move(transfer_buffer), size);
492 return true;
493 }
494
495 bool CommandBufferLocal::DestroyTransferBufferOnGpuThread(int32_t id) {
496 DCHECK(driver_->IsScheduled());
497 driver_->DestroyTransferBuffer(id);
498 return true;
499 }
500
501 bool CommandBufferLocal::CreateImageOnGpuThread(
502 int32_t id,
503 mojo::ScopedHandle memory_handle,
504 int32_t type,
505 const gfx::Size& size,
506 int32_t format,
507 int32_t internal_format) {
508 DCHECK(driver_->IsScheduled());
509 driver_->CreateImage(id, std::move(memory_handle), type, std::move(size),
510 format, internal_format);
511 return true;
512 }
513
514 bool CommandBufferLocal::CreateImageNativeOzoneOnGpuThread(
515 int32_t id,
516 int32_t type,
517 gfx::Size size,
518 gfx::BufferFormat format,
519 uint32_t internal_format,
520 ui::NativePixmap* pixmap) {
521 DCHECK(driver_->IsScheduled());
522 driver_->CreateImageNativeOzone(id, type, size, format, internal_format,
523 pixmap);
524 return true;
525 }
526
527 bool CommandBufferLocal::DestroyImageOnGpuThread(int32_t id) {
528 DCHECK(driver_->IsScheduled());
529 driver_->DestroyImage(id);
530 return true;
531 }
532
533 bool CommandBufferLocal::MakeProgressOnGpuThread(
534 base::WaitableEvent* event,
535 gpu::CommandBuffer::State* state) {
536 DCHECK(driver_->IsScheduled());
537 *state = driver_->GetLastState();
538 event->Signal();
539 return true;
540 }
541
542 bool CommandBufferLocal::DeleteOnGpuThread(base::WaitableEvent* event) {
543 delete this;
544 event->Signal();
545 return true;
546 }
547
548 bool CommandBufferLocal::SignalQueryOnGpuThread(uint32_t query_id,
549 const base::Closure& callback) {
550 // |callback| should run on the client thread.
551 driver_->SignalQuery(
552 query_id, base::Bind(&PostTask, client_thread_task_runner_, callback));
553 return true;
554 }
555
556 void CommandBufferLocal::DidLoseContextOnClientThread(uint32_t reason) {
557 DCHECK(gpu_control_client_);
558 if (!lost_context_)
559 gpu_control_client_->OnGpuControlLostContext();
560 lost_context_ = true;
561 }
562
563 void CommandBufferLocal::UpdateVSyncParametersOnClientThread(
564 const base::TimeTicks& timebase,
565 const base::TimeDelta& interval) {
566 if (client_)
567 client_->UpdateVSyncParameters(timebase, interval);
568 }
569
570 void CommandBufferLocal::OnGpuCompletedSwapBuffersOnClientThread(
571 gfx::SwapResult result) {
572 if (client_)
573 client_->GpuCompletedSwapBuffers(result);
574 }
575
576 } // namespace mus
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