1 // Copyright (c) 2012 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.
6 #include "base/bind_helpers.h"
7 #include "base/command_line.h"
9 #include "base/json/json_writer.h"
10 #include "base/memory/shared_memory.h"
11 #include "base/time/time.h"
12 #include "base/trace_event/trace_event.h"
13 #include "build/build_config.h"
14 #include "content/common/gpu/gpu_channel.h"
15 #include "content/common/gpu/gpu_channel_manager.h"
16 #include "content/common/gpu/gpu_command_buffer_stub.h"
17 #include "content/common/gpu/gpu_memory_manager.h"
18 #include "content/common/gpu/gpu_memory_tracking.h"
19 #include "content/common/gpu/gpu_messages.h"
20 #include "content/common/gpu/gpu_watchdog.h"
21 #include "content/common/gpu/image_transport_surface.h"
22 #include "content/common/gpu/media/gpu_video_decode_accelerator.h"
23 #include "content/common/gpu/media/gpu_video_encode_accelerator.h"
24 #include "content/public/common/content_client.h"
25 #include "content/public/common/content_switches.h"
26 #include "gpu/command_buffer/common/constants.h"
27 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
28 #include "gpu/command_buffer/common/mailbox.h"
29 #include "gpu/command_buffer/service/gl_context_virtual.h"
30 #include "gpu/command_buffer/service/gl_state_restorer_impl.h"
31 #include "gpu/command_buffer/service/image_factory.h"
32 #include "gpu/command_buffer/service/image_manager.h"
33 #include "gpu/command_buffer/service/logger.h"
34 #include "gpu/command_buffer/service/mailbox_manager.h"
35 #include "gpu/command_buffer/service/memory_tracking.h"
36 #include "gpu/command_buffer/service/query_manager.h"
37 #include "gpu/command_buffer/service/sync_point_manager.h"
38 #include "gpu/command_buffer/service/valuebuffer_manager.h"
39 #include "ui/gl/gl_bindings.h"
40 #include "ui/gl/gl_switches.h"
43 #include "base/win/win_util.h"
44 #include "content/public/common/sandbox_init.h"
47 #if defined(OS_ANDROID)
48 #include "content/common/gpu/stream_texture_android.h"
52 struct WaitForCommandState
{
53 WaitForCommandState(int32 start
, int32 end
, IPC::Message
* reply
)
54 : start(start
), end(end
), reply(reply
) {}
58 scoped_ptr
<IPC::Message
> reply
;
63 // The GpuCommandBufferMemoryTracker class provides a bridge between the
64 // ContextGroup's memory type managers and the GpuMemoryManager class.
65 class GpuCommandBufferMemoryTracker
: public gpu::gles2::MemoryTracker
{
67 explicit GpuCommandBufferMemoryTracker(GpuChannel
* channel
)
69 channel
->gpu_channel_manager()
70 ->gpu_memory_manager()
71 ->CreateTrackingGroup(channel
->renderer_pid(), this)),
72 client_tracing_id_(channel
->client_tracing_id()),
73 client_id_(channel
->client_id()) {}
75 void TrackMemoryAllocatedChange(
78 gpu::gles2::MemoryTracker::Pool pool
) override
{
79 tracking_group_
->TrackMemoryAllocatedChange(
80 old_size
, new_size
, pool
);
83 bool EnsureGPUMemoryAvailable(size_t size_needed
) override
{
84 return tracking_group_
->EnsureGPUMemoryAvailable(size_needed
);
87 uint64_t ClientTracingId() const override
{ return client_tracing_id_
; }
88 int ClientId() const override
{ return client_id_
; }
91 ~GpuCommandBufferMemoryTracker() override
{}
92 scoped_ptr
<GpuMemoryTrackingGroup
> tracking_group_
;
93 const uint64_t client_tracing_id_
;
96 DISALLOW_COPY_AND_ASSIGN(GpuCommandBufferMemoryTracker
);
99 // FastSetActiveURL will shortcut the expensive call to SetActiveURL when the
101 void FastSetActiveURL(const GURL
& url
, size_t url_hash
) {
102 // Leave the previously set URL in the empty case -- empty URLs are given by
103 // BlinkPlatformImpl::createOffscreenGraphicsContext3D. Hopefully the
104 // onscreen context URL was set previously and will show up even when a crash
105 // occurs during offscreen command processing.
108 static size_t g_last_url_hash
= 0;
109 if (url_hash
!= g_last_url_hash
) {
110 g_last_url_hash
= url_hash
;
111 GetContentClient()->SetActiveURL(url
);
115 // The first time polling a fence, delay some extra time to allow other
116 // stubs to process some work, or else the timing of the fences could
117 // allow a pattern of alternating fast and slow frames to occur.
118 const int64 kHandleMoreWorkPeriodMs
= 2;
119 const int64 kHandleMoreWorkPeriodBusyMs
= 1;
121 // Prevents idle work from being starved.
122 const int64 kMaxTimeSinceIdleMs
= 10;
124 class DevToolsChannelData
: public base::trace_event::ConvertableToTraceFormat
{
126 static scoped_refptr
<base::trace_event::ConvertableToTraceFormat
>
127 CreateForChannel(GpuChannel
* channel
);
129 void AppendAsTraceFormat(std::string
* out
) const override
{
131 base::JSONWriter::Write(*value_
, &tmp
);
136 explicit DevToolsChannelData(base::Value
* value
) : value_(value
) {}
137 ~DevToolsChannelData() override
{}
138 scoped_ptr
<base::Value
> value_
;
139 DISALLOW_COPY_AND_ASSIGN(DevToolsChannelData
);
142 scoped_refptr
<base::trace_event::ConvertableToTraceFormat
>
143 DevToolsChannelData::CreateForChannel(GpuChannel
* channel
) {
144 scoped_ptr
<base::DictionaryValue
> res(new base::DictionaryValue
);
145 res
->SetInteger("renderer_pid", channel
->renderer_pid());
146 res
->SetDouble("used_bytes", channel
->GetMemoryUsage());
147 res
->SetDouble("limit_bytes",
148 channel
->gpu_channel_manager()
149 ->gpu_memory_manager()
150 ->GetMaximumClientAllocation());
151 return new DevToolsChannelData(res
.release());
154 void RunOnThread(scoped_refptr
<base::SingleThreadTaskRunner
> task_runner
,
155 const base::Closure
& callback
) {
156 if (task_runner
->BelongsToCurrentThread()) {
159 task_runner
->PostTask(FROM_HERE
, callback
);
165 GpuCommandBufferStub::GpuCommandBufferStub(
167 GpuCommandBufferStub
* share_group
,
168 const gfx::GLSurfaceHandle
& handle
,
169 gpu::gles2::MailboxManager
* mailbox_manager
,
170 gpu::gles2::SubscriptionRefSet
* subscription_ref_set
,
171 gpu::ValueStateMap
* pending_valuebuffer_state
,
172 const gfx::Size
& size
,
173 const gpu::gles2::DisallowedFeatures
& disallowed_features
,
174 const std::vector
<int32
>& attribs
,
175 gfx::GpuPreference gpu_preference
,
176 bool use_virtualized_gl_context
,
179 GpuWatchdog
* watchdog
,
181 const GURL
& active_url
)
185 disallowed_features_(disallowed_features
),
186 requested_attribs_(attribs
),
187 gpu_preference_(gpu_preference
),
188 use_virtualized_gl_context_(use_virtualized_gl_context
),
190 surface_id_(surface_id
),
192 last_flush_count_(0),
193 last_memory_allocation_valid_(false),
195 sync_point_wait_count_(0),
196 delayed_work_scheduled_(false),
197 previous_messages_processed_(0),
198 active_url_(active_url
),
199 total_gpu_memory_(0) {
200 active_url_hash_
= base::Hash(active_url
.possibly_invalid_spec());
201 FastSetActiveURL(active_url_
, active_url_hash_
);
203 gpu::gles2::ContextCreationAttribHelper attrib_parser
;
204 attrib_parser
.Parse(requested_attribs_
);
207 context_group_
= share_group
->context_group_
;
208 DCHECK(context_group_
->bind_generates_resource() ==
209 attrib_parser
.bind_generates_resource
);
211 context_group_
= new gpu::gles2::ContextGroup(
213 new GpuCommandBufferMemoryTracker(channel
),
214 channel_
->gpu_channel_manager()->shader_translator_cache(),
216 subscription_ref_set
,
217 pending_valuebuffer_state
,
218 attrib_parser
.bind_generates_resource
);
221 use_virtualized_gl_context_
|=
222 context_group_
->feature_info()->workarounds().use_virtualized_gl_contexts
;
224 bool is_offscreen
= surface_id_
== 0;
225 if (is_offscreen
&& initial_size_
.IsEmpty()) {
226 // If we're an offscreen surface with zero width and/or height, set to a
227 // non-zero size so that we have a complete framebuffer for operations like
229 initial_size_
= gfx::Size(1, 1);
233 GpuCommandBufferStub::~GpuCommandBufferStub() {
236 GpuChannelManager
* gpu_channel_manager
= channel_
->gpu_channel_manager();
237 gpu_channel_manager
->Send(new GpuHostMsg_DestroyCommandBuffer(surface_id()));
240 GpuMemoryManager
* GpuCommandBufferStub::GetMemoryManager() const {
241 return channel()->gpu_channel_manager()->gpu_memory_manager();
244 bool GpuCommandBufferStub::OnMessageReceived(const IPC::Message
& message
) {
245 TRACE_EVENT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"),
248 DevToolsChannelData::CreateForChannel(channel()));
249 FastSetActiveURL(active_url_
, active_url_hash_
);
251 bool have_context
= false;
252 // Ensure the appropriate GL context is current before handling any IPC
253 // messages directed at the command buffer. This ensures that the message
254 // handler can assume that the context is current (not necessary for
255 // RetireSyncPoint or WaitSyncPoint).
256 if (decoder_
.get() &&
257 message
.type() != GpuCommandBufferMsg_SetGetBuffer::ID
&&
258 message
.type() != GpuCommandBufferMsg_WaitForTokenInRange::ID
&&
259 message
.type() != GpuCommandBufferMsg_WaitForGetOffsetInRange::ID
&&
260 message
.type() != GpuCommandBufferMsg_RegisterTransferBuffer::ID
&&
261 message
.type() != GpuCommandBufferMsg_DestroyTransferBuffer::ID
&&
262 message
.type() != GpuCommandBufferMsg_RetireSyncPoint::ID
&&
263 message
.type() != GpuCommandBufferMsg_SignalSyncPoint::ID
&&
265 GpuCommandBufferMsg_SetClientHasMemoryAllocationChangedCallback::ID
) {
271 // Always use IPC_MESSAGE_HANDLER_DELAY_REPLY for synchronous message handlers
272 // here. This is so the reply can be delayed if the scheduler is unscheduled.
274 IPC_BEGIN_MESSAGE_MAP(GpuCommandBufferStub
, message
)
275 IPC_MESSAGE_HANDLER_DELAY_REPLY(GpuCommandBufferMsg_Initialize
,
277 IPC_MESSAGE_HANDLER_DELAY_REPLY(GpuCommandBufferMsg_SetGetBuffer
,
279 IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_ProduceFrontBuffer
,
280 OnProduceFrontBuffer
);
281 IPC_MESSAGE_HANDLER_DELAY_REPLY(GpuCommandBufferMsg_WaitForTokenInRange
,
282 OnWaitForTokenInRange
);
283 IPC_MESSAGE_HANDLER_DELAY_REPLY(GpuCommandBufferMsg_WaitForGetOffsetInRange
,
284 OnWaitForGetOffsetInRange
);
285 IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_AsyncFlush
, OnAsyncFlush
);
286 IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_Rescheduled
, OnRescheduled
);
287 IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_RegisterTransferBuffer
,
288 OnRegisterTransferBuffer
);
289 IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_DestroyTransferBuffer
,
290 OnDestroyTransferBuffer
);
291 IPC_MESSAGE_HANDLER_DELAY_REPLY(GpuCommandBufferMsg_CreateVideoDecoder
,
292 OnCreateVideoDecoder
)
293 IPC_MESSAGE_HANDLER_DELAY_REPLY(GpuCommandBufferMsg_CreateVideoEncoder
,
294 OnCreateVideoEncoder
)
295 IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_SetSurfaceVisible
,
297 IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_RetireSyncPoint
,
299 IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_SignalSyncPoint
,
301 IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_SignalQuery
,
304 GpuCommandBufferMsg_SetClientHasMemoryAllocationChangedCallback
,
305 OnSetClientHasMemoryAllocationChangedCallback
)
306 IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_CreateImage
, OnCreateImage
);
307 IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_DestroyImage
, OnDestroyImage
);
308 IPC_MESSAGE_HANDLER(GpuCommandBufferMsg_CreateStreamTexture
,
309 OnCreateStreamTexture
)
310 IPC_MESSAGE_UNHANDLED(handled
= false)
311 IPC_END_MESSAGE_MAP()
313 CheckCompleteWaits();
316 // Ensure that any delayed work that was created will be handled.
317 ScheduleDelayedWork(kHandleMoreWorkPeriodMs
);
324 bool GpuCommandBufferStub::Send(IPC::Message
* message
) {
325 return channel_
->Send(message
);
328 bool GpuCommandBufferStub::IsScheduled() {
329 return (!scheduler_
.get() || scheduler_
->IsScheduled());
332 bool GpuCommandBufferStub::HasMoreWork() {
333 return scheduler_
.get() && scheduler_
->HasMoreWork();
336 void GpuCommandBufferStub::PollWork() {
337 TRACE_EVENT0("gpu", "GpuCommandBufferStub::PollWork");
338 delayed_work_scheduled_
= false;
339 FastSetActiveURL(active_url_
, active_url_hash_
);
340 if (decoder_
.get() && !MakeCurrent())
344 uint64 current_messages_processed
=
345 channel()->gpu_channel_manager()->MessagesProcessed();
346 // We're idle when no messages were processed or scheduled.
348 (previous_messages_processed_
== current_messages_processed
) &&
349 !channel()->gpu_channel_manager()->HandleMessagesScheduled();
350 if (!is_idle
&& !last_idle_time_
.is_null()) {
351 base::TimeDelta time_since_idle
=
352 base::TimeTicks::Now() - last_idle_time_
;
353 base::TimeDelta max_time_since_idle
=
354 base::TimeDelta::FromMilliseconds(kMaxTimeSinceIdleMs
);
356 // Force idle when it's been too long since last time we were idle.
357 if (time_since_idle
> max_time_since_idle
)
362 last_idle_time_
= base::TimeTicks::Now();
363 scheduler_
->PerformIdleWork();
366 ScheduleDelayedWork(kHandleMoreWorkPeriodBusyMs
);
369 bool GpuCommandBufferStub::HasUnprocessedCommands() {
370 if (command_buffer_
) {
371 gpu::CommandBuffer::State state
= command_buffer_
->GetLastState();
372 return command_buffer_
->GetPutOffset() != state
.get_offset
&&
373 !gpu::error::IsError(state
.error
);
378 void GpuCommandBufferStub::ScheduleDelayedWork(int64 delay
) {
379 if (!HasMoreWork()) {
380 last_idle_time_
= base::TimeTicks();
384 if (delayed_work_scheduled_
)
386 delayed_work_scheduled_
= true;
388 // Idle when no messages are processed between now and when
389 // PollWork is called.
390 previous_messages_processed_
=
391 channel()->gpu_channel_manager()->MessagesProcessed();
392 if (last_idle_time_
.is_null())
393 last_idle_time_
= base::TimeTicks::Now();
395 // IsScheduled() returns true after passing all unschedule fences
396 // and this is when we can start performing idle work. Idle work
397 // is done synchronously so we can set delay to 0 and instead poll
398 // for more work at the rate idle work is performed. This also ensures
399 // that idle work is done as efficiently as possible without any
400 // unnecessary delays.
401 if (scheduler_
.get() &&
402 scheduler_
->IsScheduled() &&
403 scheduler_
->HasMoreIdleWork()) {
407 base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
408 FROM_HERE
, base::Bind(&GpuCommandBufferStub::PollWork
, AsWeakPtr()),
409 base::TimeDelta::FromMilliseconds(delay
));
412 bool GpuCommandBufferStub::MakeCurrent() {
413 if (decoder_
->MakeCurrent())
415 DLOG(ERROR
) << "Context lost because MakeCurrent failed.";
416 command_buffer_
->SetContextLostReason(decoder_
->GetContextLostReason());
417 command_buffer_
->SetParseError(gpu::error::kLostContext
);
422 void GpuCommandBufferStub::Destroy() {
423 if (wait_for_token_
) {
424 Send(wait_for_token_
->reply
.release());
425 wait_for_token_
.reset();
427 if (wait_for_get_offset_
) {
428 Send(wait_for_get_offset_
->reply
.release());
429 wait_for_get_offset_
.reset();
431 if (handle_
.is_null() && !active_url_
.is_empty()) {
432 GpuChannelManager
* gpu_channel_manager
= channel_
->gpu_channel_manager();
433 gpu_channel_manager
->Send(new GpuHostMsg_DidDestroyOffscreenContext(
437 memory_manager_client_state_
.reset();
439 while (!sync_points_
.empty())
440 OnRetireSyncPoint(sync_points_
.front());
443 decoder_
->set_engine(NULL
);
445 // The scheduler has raw references to the decoder and the command buffer so
446 // destroy it before those.
449 bool have_context
= false;
450 if (decoder_
&& decoder_
->GetGLContext()) {
451 // Try to make the context current regardless of whether it was lost, so we
452 // don't leak resources.
453 have_context
= decoder_
->GetGLContext()->MakeCurrent(surface_
.get());
455 FOR_EACH_OBSERVER(DestructionObserver
,
456 destruction_observers_
,
457 OnWillDestroyStub());
460 decoder_
->Destroy(have_context
);
464 command_buffer_
.reset();
466 // Remove this after crbug.com/248395 is sorted out.
470 void GpuCommandBufferStub::OnInitializeFailed(IPC::Message
* reply_message
) {
472 GpuCommandBufferMsg_Initialize::WriteReplyParams(
473 reply_message
, false, gpu::Capabilities());
477 void GpuCommandBufferStub::OnInitialize(
478 base::SharedMemoryHandle shared_state_handle
,
479 IPC::Message
* reply_message
) {
480 TRACE_EVENT0("gpu", "GpuCommandBufferStub::OnInitialize");
481 DCHECK(!command_buffer_
.get());
483 scoped_ptr
<base::SharedMemory
> shared_state_shm(
484 new base::SharedMemory(shared_state_handle
, false));
486 command_buffer_
.reset(new gpu::CommandBufferService(
487 context_group_
->transfer_buffer_manager()));
489 bool result
= command_buffer_
->Initialize();
492 decoder_
.reset(::gpu::gles2::GLES2Decoder::Create(context_group_
.get()));
493 scheduler_
.reset(new gpu::GpuScheduler(command_buffer_
.get(),
496 if (preemption_flag_
.get())
497 scheduler_
->SetPreemptByFlag(preemption_flag_
);
499 decoder_
->set_engine(scheduler_
.get());
501 if (!handle_
.is_null()) {
502 #if defined(OS_MACOSX) || defined(UI_COMPOSITOR_IMAGE_TRANSPORT)
504 LOG(ERROR
) << "No software support.";
505 OnInitializeFailed(reply_message
);
510 surface_
= ImageTransportSurface::CreateSurface(
511 channel_
->gpu_channel_manager(),
515 GpuChannelManager
* manager
= channel_
->gpu_channel_manager();
516 surface_
= manager
->GetDefaultOffscreenSurface();
519 if (!surface_
.get()) {
520 DLOG(ERROR
) << "Failed to create surface.";
521 OnInitializeFailed(reply_message
);
525 scoped_refptr
<gfx::GLContext
> context
;
526 if (use_virtualized_gl_context_
&& channel_
->share_group()) {
527 context
= channel_
->share_group()->GetSharedContext();
528 if (!context
.get()) {
529 context
= gfx::GLContext::CreateGLContext(
530 channel_
->share_group(),
531 channel_
->gpu_channel_manager()->GetDefaultOffscreenSurface(),
533 if (!context
.get()) {
534 DLOG(ERROR
) << "Failed to create shared context for virtualization.";
535 OnInitializeFailed(reply_message
);
538 channel_
->share_group()->SetSharedContext(context
.get());
540 // This should be a non-virtual GL context.
541 DCHECK(context
->GetHandle());
542 context
= new gpu::GLContextVirtual(
543 channel_
->share_group(), context
.get(), decoder_
->AsWeakPtr());
544 if (!context
->Initialize(surface_
.get(), gpu_preference_
)) {
545 // TODO(sievers): The real context created above for the default
546 // offscreen surface might not be compatible with this surface.
547 // Need to adjust at least GLX to be able to create the initial context
548 // with a config that is compatible with onscreen and offscreen surfaces.
551 DLOG(ERROR
) << "Failed to initialize virtual GL context.";
552 OnInitializeFailed(reply_message
);
556 if (!context
.get()) {
557 context
= gfx::GLContext::CreateGLContext(
558 channel_
->share_group(), surface_
.get(), gpu_preference_
);
560 if (!context
.get()) {
561 DLOG(ERROR
) << "Failed to create context.";
562 OnInitializeFailed(reply_message
);
566 if (!context
->MakeCurrent(surface_
.get())) {
567 LOG(ERROR
) << "Failed to make context current.";
568 OnInitializeFailed(reply_message
);
572 if (!context
->GetGLStateRestorer()) {
573 context
->SetGLStateRestorer(
574 new gpu::GLStateRestorerImpl(decoder_
->AsWeakPtr()));
577 if (!context
->GetTotalGpuMemory(&total_gpu_memory_
))
578 total_gpu_memory_
= 0;
580 if (!context_group_
->has_program_cache() &&
581 !context_group_
->feature_info()->workarounds().disable_program_cache
) {
582 context_group_
->set_program_cache(
583 channel_
->gpu_channel_manager()->program_cache());
586 // Initialize the decoder with either the view or pbuffer GLContext.
587 if (!decoder_
->Initialize(surface_
,
591 disallowed_features_
,
592 requested_attribs_
)) {
593 DLOG(ERROR
) << "Failed to initialize decoder.";
594 OnInitializeFailed(reply_message
);
598 if (base::CommandLine::ForCurrentProcess()->HasSwitch(
599 switches::kEnableGPUServiceLogging
)) {
600 decoder_
->set_log_commands(true);
603 decoder_
->GetLogger()->SetMsgCallback(
604 base::Bind(&GpuCommandBufferStub::SendConsoleMessage
,
605 base::Unretained(this)));
606 decoder_
->SetShaderCacheCallback(
607 base::Bind(&GpuCommandBufferStub::SendCachedShader
,
608 base::Unretained(this)));
609 decoder_
->SetWaitSyncPointCallback(
610 base::Bind(&GpuCommandBufferStub::OnWaitSyncPoint
,
611 base::Unretained(this)));
613 command_buffer_
->SetPutOffsetChangeCallback(
614 base::Bind(&GpuCommandBufferStub::PutChanged
, base::Unretained(this)));
615 command_buffer_
->SetGetBufferChangeCallback(
616 base::Bind(&gpu::GpuScheduler::SetGetBuffer
,
617 base::Unretained(scheduler_
.get())));
618 command_buffer_
->SetParseErrorCallback(
619 base::Bind(&GpuCommandBufferStub::OnParseError
, base::Unretained(this)));
620 scheduler_
->SetSchedulingChangedCallback(
621 base::Bind(&GpuChannel::StubSchedulingChanged
,
622 base::Unretained(channel_
)));
625 scheduler_
->SetCommandProcessedCallback(
626 base::Bind(&GpuCommandBufferStub::OnCommandProcessed
,
627 base::Unretained(this)));
630 const size_t kSharedStateSize
= sizeof(gpu::CommandBufferSharedState
);
631 if (!shared_state_shm
->Map(kSharedStateSize
)) {
632 DLOG(ERROR
) << "Failed to map shared state buffer.";
633 OnInitializeFailed(reply_message
);
636 command_buffer_
->SetSharedStateBuffer(gpu::MakeBackingFromSharedMemory(
637 shared_state_shm
.Pass(), kSharedStateSize
));
639 gpu::Capabilities capabilities
= decoder_
->GetCapabilities();
640 capabilities
.future_sync_points
= channel_
->allow_future_sync_points();
642 GpuCommandBufferMsg_Initialize::WriteReplyParams(
643 reply_message
, true, capabilities
);
646 if (handle_
.is_null() && !active_url_
.is_empty()) {
647 GpuChannelManager
* gpu_channel_manager
= channel_
->gpu_channel_manager();
648 gpu_channel_manager
->Send(new GpuHostMsg_DidCreateOffscreenContext(
653 void GpuCommandBufferStub::OnCreateStreamTexture(
654 uint32 texture_id
, int32 stream_id
, bool* succeeded
) {
655 #if defined(OS_ANDROID)
656 *succeeded
= StreamTexture::Create(this, texture_id
, stream_id
);
662 void GpuCommandBufferStub::SetLatencyInfoCallback(
663 const LatencyInfoCallback
& callback
) {
664 latency_info_callback_
= callback
;
667 int32
GpuCommandBufferStub::GetRequestedAttribute(int attr
) const {
668 // The command buffer is pairs of enum, value
669 // search for the requested attribute, return the value.
670 for (std::vector
<int32
>::const_iterator it
= requested_attribs_
.begin();
671 it
!= requested_attribs_
.end(); ++it
) {
679 void GpuCommandBufferStub::OnSetGetBuffer(int32 shm_id
,
680 IPC::Message
* reply_message
) {
681 TRACE_EVENT0("gpu", "GpuCommandBufferStub::OnSetGetBuffer");
683 command_buffer_
->SetGetBuffer(shm_id
);
687 void GpuCommandBufferStub::OnProduceFrontBuffer(const gpu::Mailbox
& mailbox
) {
688 TRACE_EVENT0("gpu", "GpuCommandBufferStub::OnProduceFrontBuffer");
690 LOG(ERROR
) << "Can't produce front buffer before initialization.";
694 decoder_
->ProduceFrontBuffer(mailbox
);
697 void GpuCommandBufferStub::OnParseError() {
698 TRACE_EVENT0("gpu", "GpuCommandBufferStub::OnParseError");
699 DCHECK(command_buffer_
.get());
700 gpu::CommandBuffer::State state
= command_buffer_
->GetLastState();
701 IPC::Message
* msg
= new GpuCommandBufferMsg_Destroyed(
702 route_id_
, state
.context_lost_reason
, state
.error
);
703 msg
->set_unblock(true);
706 // Tell the browser about this context loss as well, so it can
707 // determine whether client APIs like WebGL need to be immediately
708 // blocked from automatically running.
709 GpuChannelManager
* gpu_channel_manager
= channel_
->gpu_channel_manager();
710 gpu_channel_manager
->Send(new GpuHostMsg_DidLoseContext(
711 handle_
.is_null(), state
.context_lost_reason
, active_url_
));
716 void GpuCommandBufferStub::OnWaitForTokenInRange(int32 start
,
718 IPC::Message
* reply_message
) {
719 TRACE_EVENT0("gpu", "GpuCommandBufferStub::OnWaitForTokenInRange");
720 DCHECK(command_buffer_
.get());
723 LOG(ERROR
) << "Got WaitForToken command while currently waiting for token.";
725 make_scoped_ptr(new WaitForCommandState(start
, end
, reply_message
));
726 CheckCompleteWaits();
729 void GpuCommandBufferStub::OnWaitForGetOffsetInRange(
732 IPC::Message
* reply_message
) {
733 TRACE_EVENT0("gpu", "GpuCommandBufferStub::OnWaitForGetOffsetInRange");
734 DCHECK(command_buffer_
.get());
736 if (wait_for_get_offset_
) {
738 << "Got WaitForGetOffset command while currently waiting for offset.";
740 wait_for_get_offset_
=
741 make_scoped_ptr(new WaitForCommandState(start
, end
, reply_message
));
742 CheckCompleteWaits();
745 void GpuCommandBufferStub::CheckCompleteWaits() {
746 if (wait_for_token_
|| wait_for_get_offset_
) {
747 gpu::CommandBuffer::State state
= command_buffer_
->GetLastState();
748 if (wait_for_token_
&&
749 (gpu::CommandBuffer::InRange(
750 wait_for_token_
->start
, wait_for_token_
->end
, state
.token
) ||
751 state
.error
!= gpu::error::kNoError
)) {
753 GpuCommandBufferMsg_WaitForTokenInRange::WriteReplyParams(
754 wait_for_token_
->reply
.get(), state
);
755 Send(wait_for_token_
->reply
.release());
756 wait_for_token_
.reset();
758 if (wait_for_get_offset_
&&
759 (gpu::CommandBuffer::InRange(wait_for_get_offset_
->start
,
760 wait_for_get_offset_
->end
,
762 state
.error
!= gpu::error::kNoError
)) {
764 GpuCommandBufferMsg_WaitForGetOffsetInRange::WriteReplyParams(
765 wait_for_get_offset_
->reply
.get(), state
);
766 Send(wait_for_get_offset_
->reply
.release());
767 wait_for_get_offset_
.reset();
772 void GpuCommandBufferStub::OnAsyncFlush(
775 const std::vector
<ui::LatencyInfo
>& latency_info
) {
777 "gpu", "GpuCommandBufferStub::OnAsyncFlush", "put_offset", put_offset
);
779 if (ui::LatencyInfo::Verify(latency_info
,
780 "GpuCommandBufferStub::OnAsyncFlush") &&
781 !latency_info_callback_
.is_null()) {
782 latency_info_callback_
.Run(latency_info
);
784 DCHECK(command_buffer_
.get());
785 if (flush_count
- last_flush_count_
< 0x8000000U
) {
786 last_flush_count_
= flush_count
;
787 command_buffer_
->Flush(put_offset
);
789 // We received this message out-of-order. This should not happen but is here
790 // to catch regressions. Ignore the message.
791 NOTREACHED() << "Received a Flush message out-of-order";
797 void GpuCommandBufferStub::OnRescheduled() {
798 gpu::CommandBuffer::State pre_state
= command_buffer_
->GetLastState();
799 command_buffer_
->Flush(command_buffer_
->GetPutOffset());
800 gpu::CommandBuffer::State post_state
= command_buffer_
->GetLastState();
802 if (pre_state
.get_offset
!= post_state
.get_offset
)
806 void GpuCommandBufferStub::OnRegisterTransferBuffer(
808 base::SharedMemoryHandle transfer_buffer
,
810 TRACE_EVENT0("gpu", "GpuCommandBufferStub::OnRegisterTransferBuffer");
812 // Take ownership of the memory and map it into this process.
813 // This validates the size.
814 scoped_ptr
<base::SharedMemory
> shared_memory(
815 new base::SharedMemory(transfer_buffer
, false));
816 if (!shared_memory
->Map(size
)) {
817 DVLOG(0) << "Failed to map shared memory.";
821 if (command_buffer_
) {
822 command_buffer_
->RegisterTransferBuffer(
823 id
, gpu::MakeBackingFromSharedMemory(shared_memory
.Pass(), size
));
827 void GpuCommandBufferStub::OnDestroyTransferBuffer(int32 id
) {
828 TRACE_EVENT0("gpu", "GpuCommandBufferStub::OnDestroyTransferBuffer");
831 command_buffer_
->DestroyTransferBuffer(id
);
834 void GpuCommandBufferStub::OnCommandProcessed() {
836 watchdog_
->CheckArmed();
839 void GpuCommandBufferStub::ReportState() { command_buffer_
->UpdateState(); }
841 void GpuCommandBufferStub::PutChanged() {
842 FastSetActiveURL(active_url_
, active_url_hash_
);
843 scheduler_
->PutChanged();
846 void GpuCommandBufferStub::OnCreateVideoDecoder(
847 media::VideoCodecProfile profile
,
848 int32 decoder_route_id
,
849 IPC::Message
* reply_message
) {
850 TRACE_EVENT0("gpu", "GpuCommandBufferStub::OnCreateVideoDecoder");
851 GpuVideoDecodeAccelerator
* decoder
= new GpuVideoDecodeAccelerator(
852 decoder_route_id
, this, channel_
->io_task_runner());
853 decoder
->Initialize(profile
, reply_message
);
854 // decoder is registered as a DestructionObserver of this stub and will
855 // self-delete during destruction of this stub.
858 void GpuCommandBufferStub::OnCreateVideoEncoder(
859 media::VideoPixelFormat input_format
,
860 const gfx::Size
& input_visible_size
,
861 media::VideoCodecProfile output_profile
,
862 uint32 initial_bitrate
,
863 int32 encoder_route_id
,
864 IPC::Message
* reply_message
) {
865 TRACE_EVENT0("gpu", "GpuCommandBufferStub::OnCreateVideoEncoder");
866 GpuVideoEncodeAccelerator
* encoder
=
867 new GpuVideoEncodeAccelerator(encoder_route_id
, this);
868 encoder
->Initialize(input_format
,
873 // encoder is registered as a DestructionObserver of this stub and will
874 // self-delete during destruction of this stub.
877 void GpuCommandBufferStub::OnSetSurfaceVisible(bool visible
) {
878 TRACE_EVENT0("gpu", "GpuCommandBufferStub::OnSetSurfaceVisible");
879 if (memory_manager_client_state_
)
880 memory_manager_client_state_
->SetVisible(visible
);
883 void GpuCommandBufferStub::AddSyncPoint(uint32 sync_point
) {
884 sync_points_
.push_back(sync_point
);
887 void GpuCommandBufferStub::OnRetireSyncPoint(uint32 sync_point
) {
888 DCHECK(!sync_points_
.empty() && sync_points_
.front() == sync_point
);
889 sync_points_
.pop_front();
891 gpu::gles2::MailboxManager
* mailbox_manager
=
892 context_group_
->mailbox_manager();
893 if (mailbox_manager
->UsesSync() && MakeCurrent())
894 mailbox_manager
->PushTextureUpdates(sync_point
);
896 GpuChannelManager
* manager
= channel_
->gpu_channel_manager();
897 manager
->sync_point_manager()->RetireSyncPoint(sync_point
);
900 bool GpuCommandBufferStub::OnWaitSyncPoint(uint32 sync_point
) {
903 GpuChannelManager
* manager
= channel_
->gpu_channel_manager();
904 if (manager
->sync_point_manager()->IsSyncPointRetired(sync_point
)) {
905 PullTextureUpdates(sync_point
);
909 if (sync_point_wait_count_
== 0) {
910 TRACE_EVENT_ASYNC_BEGIN1("gpu", "WaitSyncPoint", this,
911 "GpuCommandBufferStub", this);
913 scheduler_
->SetScheduled(false);
914 ++sync_point_wait_count_
;
915 manager
->sync_point_manager()->AddSyncPointCallback(
917 base::Bind(&RunOnThread
, base::ThreadTaskRunnerHandle::Get(),
918 base::Bind(&GpuCommandBufferStub::OnWaitSyncPointCompleted
,
919 this->AsWeakPtr(), sync_point
)));
920 return scheduler_
->IsScheduled();
923 void GpuCommandBufferStub::OnWaitSyncPointCompleted(uint32 sync_point
) {
924 PullTextureUpdates(sync_point
);
925 --sync_point_wait_count_
;
926 if (sync_point_wait_count_
== 0) {
927 TRACE_EVENT_ASYNC_END1("gpu", "WaitSyncPoint", this,
928 "GpuCommandBufferStub", this);
930 scheduler_
->SetScheduled(true);
933 void GpuCommandBufferStub::PullTextureUpdates(uint32 sync_point
) {
934 gpu::gles2::MailboxManager
* mailbox_manager
=
935 context_group_
->mailbox_manager();
936 if (mailbox_manager
->UsesSync() && MakeCurrent())
937 mailbox_manager
->PullTextureUpdates(sync_point
);
940 void GpuCommandBufferStub::OnSignalSyncPoint(uint32 sync_point
, uint32 id
) {
941 GpuChannelManager
* manager
= channel_
->gpu_channel_manager();
942 manager
->sync_point_manager()->AddSyncPointCallback(
944 base::Bind(&RunOnThread
, base::ThreadTaskRunnerHandle::Get(),
945 base::Bind(&GpuCommandBufferStub::OnSignalSyncPointAck
,
946 this->AsWeakPtr(), id
)));
949 void GpuCommandBufferStub::OnSignalSyncPointAck(uint32 id
) {
950 Send(new GpuCommandBufferMsg_SignalSyncPointAck(route_id_
, id
));
953 void GpuCommandBufferStub::OnSignalQuery(uint32 query_id
, uint32 id
) {
955 gpu::gles2::QueryManager
* query_manager
= decoder_
->GetQueryManager();
957 gpu::gles2::QueryManager::Query
* query
=
958 query_manager
->GetQuery(query_id
);
961 base::Bind(&GpuCommandBufferStub::OnSignalSyncPointAck
,
968 // Something went wrong, run callback immediately.
969 OnSignalSyncPointAck(id
);
973 void GpuCommandBufferStub::OnSetClientHasMemoryAllocationChangedCallback(
977 "GpuCommandBufferStub::OnSetClientHasMemoryAllocationChangedCallback");
979 if (!memory_manager_client_state_
) {
980 memory_manager_client_state_
.reset(GetMemoryManager()->CreateClientState(
981 this, surface_id_
!= 0, true));
984 memory_manager_client_state_
.reset();
988 void GpuCommandBufferStub::OnCreateImage(int32 id
,
989 gfx::GpuMemoryBufferHandle handle
,
991 gfx::BufferFormat format
,
992 uint32 internalformat
) {
993 TRACE_EVENT0("gpu", "GpuCommandBufferStub::OnCreateImage");
998 gpu::gles2::ImageManager
* image_manager
= decoder_
->GetImageManager();
999 DCHECK(image_manager
);
1000 if (image_manager
->LookupImage(id
)) {
1001 LOG(ERROR
) << "Image already exists with same ID.";
1005 if (!gpu::ImageFactory::IsGpuMemoryBufferFormatSupported(
1006 format
, decoder_
->GetCapabilities())) {
1007 LOG(ERROR
) << "Format is not supported.";
1011 if (!gpu::ImageFactory::IsImageSizeValidForGpuMemoryBufferFormat(size
,
1013 LOG(ERROR
) << "Invalid image size for format.";
1017 if (!gpu::ImageFactory::IsImageFormatCompatibleWithGpuMemoryBufferFormat(
1018 internalformat
, format
)) {
1019 LOG(ERROR
) << "Incompatible image format.";
1023 scoped_refptr
<gfx::GLImage
> image
= channel()->CreateImageForGpuMemoryBuffer(
1024 handle
, size
, format
, internalformat
);
1028 image_manager
->AddImage(image
.get(), id
);
1031 void GpuCommandBufferStub::OnDestroyImage(int32 id
) {
1032 TRACE_EVENT0("gpu", "GpuCommandBufferStub::OnDestroyImage");
1037 gpu::gles2::ImageManager
* image_manager
= decoder_
->GetImageManager();
1038 DCHECK(image_manager
);
1039 if (!image_manager
->LookupImage(id
)) {
1040 LOG(ERROR
) << "Image with ID doesn't exist.";
1044 image_manager
->RemoveImage(id
);
1047 void GpuCommandBufferStub::SendConsoleMessage(
1049 const std::string
& message
) {
1050 GPUCommandBufferConsoleMessage console_message
;
1051 console_message
.id
= id
;
1052 console_message
.message
= message
;
1053 IPC::Message
* msg
= new GpuCommandBufferMsg_ConsoleMsg(
1054 route_id_
, console_message
);
1055 msg
->set_unblock(true);
1059 void GpuCommandBufferStub::SendCachedShader(
1060 const std::string
& key
, const std::string
& shader
) {
1061 channel_
->CacheShader(key
, shader
);
1064 void GpuCommandBufferStub::AddDestructionObserver(
1065 DestructionObserver
* observer
) {
1066 destruction_observers_
.AddObserver(observer
);
1069 void GpuCommandBufferStub::RemoveDestructionObserver(
1070 DestructionObserver
* observer
) {
1071 destruction_observers_
.RemoveObserver(observer
);
1074 void GpuCommandBufferStub::SetPreemptByFlag(
1075 scoped_refptr
<gpu::PreemptionFlag
> flag
) {
1076 preemption_flag_
= flag
;
1078 scheduler_
->SetPreemptByFlag(preemption_flag_
);
1081 bool GpuCommandBufferStub::GetTotalGpuMemory(uint64
* bytes
) {
1082 *bytes
= total_gpu_memory_
;
1083 return !!total_gpu_memory_
;
1086 gfx::Size
GpuCommandBufferStub::GetSurfaceSize() const {
1087 if (!surface_
.get())
1089 return surface_
->GetSize();
1092 const gpu::gles2::FeatureInfo
* GpuCommandBufferStub::GetFeatureInfo() const {
1093 return context_group_
->feature_info();
1096 gpu::gles2::MemoryTracker
* GpuCommandBufferStub::GetMemoryTracker() const {
1097 return context_group_
->memory_tracker();
1100 void GpuCommandBufferStub::SetMemoryAllocation(
1101 const gpu::MemoryAllocation
& allocation
) {
1102 if (!last_memory_allocation_valid_
||
1103 !allocation
.Equals(last_memory_allocation_
)) {
1104 Send(new GpuCommandBufferMsg_SetMemoryAllocation(
1105 route_id_
, allocation
));
1108 last_memory_allocation_valid_
= true;
1109 last_memory_allocation_
= allocation
;
1112 void GpuCommandBufferStub::SuggestHaveFrontBuffer(
1113 bool suggest_have_frontbuffer
) {
1114 // This can be called outside of OnMessageReceived, so the context needs
1115 // to be made current before calling methods on the surface.
1116 if (surface_
.get() && MakeCurrent())
1117 surface_
->SetFrontbufferAllocation(suggest_have_frontbuffer
);
1120 bool GpuCommandBufferStub::CheckContextLost() {
1121 DCHECK(command_buffer_
);
1122 gpu::CommandBuffer::State state
= command_buffer_
->GetLastState();
1123 bool was_lost
= state
.error
== gpu::error::kLostContext
;
1125 // Work around issues with recovery by allowing a new GPU process to launch.
1127 context_group_
->feature_info()->workarounds().exit_on_context_lost
&&
1128 !base::CommandLine::ForCurrentProcess()->HasSwitch(
1129 switches::kSingleProcess
) &&
1130 !base::CommandLine::ForCurrentProcess()->HasSwitch(
1131 switches::kInProcessGPU
)) {
1132 LOG(ERROR
) << "Exiting GPU process because some drivers cannot recover"
1133 << " from problems.";
1135 base::win::SetShouldCrashOnProcessDetach(false);
1139 // Lose all other contexts if the reset was triggered by the robustness
1140 // extension instead of being synthetic.
1141 if (was_lost
&& decoder_
&& decoder_
->WasContextLostByRobustnessExtension() &&
1142 (gfx::GLContext::LosesAllContextsOnContextLost() ||
1143 use_virtualized_gl_context_
))
1144 channel_
->LoseAllContexts();
1145 CheckCompleteWaits();
1149 void GpuCommandBufferStub::MarkContextLost() {
1150 if (!command_buffer_
||
1151 command_buffer_
->GetLastState().error
== gpu::error::kLostContext
)
1154 command_buffer_
->SetContextLostReason(gpu::error::kUnknown
);
1156 decoder_
->MarkContextLost(gpu::error::kUnknown
);
1157 command_buffer_
->SetParseError(gpu::error::kLostContext
);
1160 void GpuCommandBufferStub::SendSwapBuffersCompleted(
1161 const std::vector
<ui::LatencyInfo
>& latency_info
,
1162 gfx::SwapResult result
) {
1163 Send(new GpuCommandBufferMsg_SwapBuffersCompleted(route_id_
, latency_info
,
1167 void GpuCommandBufferStub::SendUpdateVSyncParameters(base::TimeTicks timebase
,
1168 base::TimeDelta interval
) {
1169 Send(new GpuCommandBufferMsg_UpdateVSyncParameters(route_id_
, timebase
,
1173 } // namespace content