namespace cc {
OutputSurface::OutputSurface(scoped_refptr<ContextProvider> context_provider)
- : context_provider_(context_provider),
+ : client_(NULL),
+ context_provider_(context_provider),
device_scale_factor_(-1),
- max_frames_pending_(0),
- pending_swap_buffers_(0),
- needs_begin_impl_frame_(false),
- client_ready_for_begin_impl_frame_(true),
- client_(NULL),
- check_for_retroactive_begin_impl_frame_pending_(false),
external_stencil_test_enabled_(false),
weak_ptr_factory_(this),
- gpu_latency_history_(kGpuLatencyHistorySize) {}
+ gpu_latency_history_(kGpuLatencyHistorySize) {
+}
OutputSurface::OutputSurface(scoped_ptr<SoftwareOutputDevice> software_device)
- : software_device_(software_device.Pass()),
+ : client_(NULL),
+ software_device_(software_device.Pass()),
device_scale_factor_(-1),
- max_frames_pending_(0),
- pending_swap_buffers_(0),
- needs_begin_impl_frame_(false),
- client_ready_for_begin_impl_frame_(true),
- client_(NULL),
- check_for_retroactive_begin_impl_frame_pending_(false),
external_stencil_test_enabled_(false),
weak_ptr_factory_(this),
- gpu_latency_history_(kGpuLatencyHistorySize) {}
+ gpu_latency_history_(kGpuLatencyHistorySize) {
+}
OutputSurface::OutputSurface(scoped_refptr<ContextProvider> context_provider,
scoped_ptr<SoftwareOutputDevice> software_device)
- : context_provider_(context_provider),
+ : client_(NULL),
+ context_provider_(context_provider),
software_device_(software_device.Pass()),
device_scale_factor_(-1),
- max_frames_pending_(0),
- pending_swap_buffers_(0),
- needs_begin_impl_frame_(false),
- client_ready_for_begin_impl_frame_(true),
- client_(NULL),
- check_for_retroactive_begin_impl_frame_pending_(false),
external_stencil_test_enabled_(false),
weak_ptr_factory_(this),
- gpu_latency_history_(kGpuLatencyHistorySize) {}
-
-void OutputSurface::InitializeBeginImplFrameEmulation(
- base::SingleThreadTaskRunner* task_runner,
- bool throttle_frame_production,
- base::TimeDelta interval) {
- if (throttle_frame_production) {
- scoped_refptr<DelayBasedTimeSource> time_source;
- if (gfx::FrameTime::TimestampsAreHighRes())
- time_source = DelayBasedTimeSourceHighRes::Create(interval, task_runner);
- else
- time_source = DelayBasedTimeSource::Create(interval, task_runner);
- frame_rate_controller_.reset(new FrameRateController(time_source));
- } else {
- frame_rate_controller_.reset(new FrameRateController(task_runner));
- }
-
- frame_rate_controller_->SetClient(this);
- frame_rate_controller_->SetMaxSwapsPending(max_frames_pending_);
- frame_rate_controller_->SetDeadlineAdjustment(
- capabilities_.adjust_deadline_for_parent ?
- BeginFrameArgs::DefaultDeadlineAdjustment() : base::TimeDelta());
-
- // The new frame rate controller will consume the swap acks of the old
- // frame rate controller, so we set that expectation up here.
- for (int i = 0; i < pending_swap_buffers_; i++)
- frame_rate_controller_->DidSwapBuffers();
-}
-
-void OutputSurface::SetMaxFramesPending(int max_frames_pending) {
- if (frame_rate_controller_)
- frame_rate_controller_->SetMaxSwapsPending(max_frames_pending);
- max_frames_pending_ = max_frames_pending;
+ gpu_latency_history_(kGpuLatencyHistorySize) {
}
void OutputSurface::CommitVSyncParameters(base::TimeTicks timebase,
(timebase - base::TimeTicks()).InSecondsF(),
"interval",
interval.InSecondsF());
- if (frame_rate_controller_)
- frame_rate_controller_->SetTimebaseAndInterval(timebase, interval);
-}
-
-void OutputSurface::FrameRateControllerTick(bool throttled,
- const BeginFrameArgs& args) {
- DCHECK(frame_rate_controller_);
- if (throttled)
- skipped_begin_impl_frame_args_ = args;
- else
- BeginImplFrame(args);
+ client_->CommitVSyncParameters(timebase, interval);
}
// Forwarded to OutputSurfaceClient
client_->SetNeedsRedrawRect(damage_rect);
}
-void OutputSurface::SetNeedsBeginImplFrame(bool enable) {
- TRACE_EVENT1("cc", "OutputSurface::SetNeedsBeginImplFrame", "enable", enable);
- needs_begin_impl_frame_ = enable;
- client_ready_for_begin_impl_frame_ = true;
- if (frame_rate_controller_) {
- BeginFrameArgs skipped = frame_rate_controller_->SetActive(enable);
- if (skipped.IsValid())
- skipped_begin_impl_frame_args_ = skipped;
- }
- if (needs_begin_impl_frame_)
- PostCheckForRetroactiveBeginImplFrame();
-}
-
-void OutputSurface::BeginImplFrame(const BeginFrameArgs& args) {
- TRACE_EVENT2("cc", "OutputSurface::BeginImplFrame",
- "client_ready_for_begin_impl_frame_",
- client_ready_for_begin_impl_frame_,
- "pending_swap_buffers_", pending_swap_buffers_);
- if (!needs_begin_impl_frame_ || !client_ready_for_begin_impl_frame_ ||
- (pending_swap_buffers_ >= max_frames_pending_ &&
- max_frames_pending_ > 0)) {
- skipped_begin_impl_frame_args_ = args;
- } else {
- client_ready_for_begin_impl_frame_ = false;
- client_->BeginImplFrame(args);
- // args might be an alias for skipped_begin_impl_frame_args_.
- // Do not reset it before calling BeginImplFrame!
- skipped_begin_impl_frame_args_ = BeginFrameArgs();
- }
-}
-
-base::TimeTicks OutputSurface::RetroactiveBeginImplFrameDeadline() {
- // TODO(brianderson): Remove the alternative deadline once we have better
- // deadline estimations.
- base::TimeTicks alternative_deadline =
- skipped_begin_impl_frame_args_.frame_time +
- BeginFrameArgs::DefaultRetroactiveBeginFramePeriod();
- return std::max(skipped_begin_impl_frame_args_.deadline,
- alternative_deadline);
-}
-
-void OutputSurface::PostCheckForRetroactiveBeginImplFrame() {
- if (!skipped_begin_impl_frame_args_.IsValid() ||
- check_for_retroactive_begin_impl_frame_pending_)
- return;
-
- base::MessageLoop::current()->PostTask(
- FROM_HERE,
- base::Bind(&OutputSurface::CheckForRetroactiveBeginImplFrame,
- weak_ptr_factory_.GetWeakPtr()));
- check_for_retroactive_begin_impl_frame_pending_ = true;
-}
-
-void OutputSurface::CheckForRetroactiveBeginImplFrame() {
- TRACE_EVENT0("cc", "OutputSurface::CheckForRetroactiveBeginImplFrame");
- check_for_retroactive_begin_impl_frame_pending_ = false;
- if (gfx::FrameTime::Now() < RetroactiveBeginImplFrameDeadline())
- BeginImplFrame(skipped_begin_impl_frame_args_);
-}
-
-void OutputSurface::DidSwapBuffers() {
- pending_swap_buffers_++;
- TRACE_EVENT1("cc", "OutputSurface::DidSwapBuffers",
- "pending_swap_buffers_", pending_swap_buffers_);
- client_->DidSwapBuffers();
- if (frame_rate_controller_)
- frame_rate_controller_->DidSwapBuffers();
- PostCheckForRetroactiveBeginImplFrame();
-}
-
-void OutputSurface::OnSwapBuffersComplete() {
- pending_swap_buffers_--;
- TRACE_EVENT1("cc", "OutputSurface::OnSwapBuffersComplete",
- "pending_swap_buffers_", pending_swap_buffers_);
- client_->OnSwapBuffersComplete();
- if (frame_rate_controller_)
- frame_rate_controller_->DidSwapBuffersComplete();
- PostCheckForRetroactiveBeginImplFrame();
-}
-
void OutputSurface::ReclaimResources(const CompositorFrameAck* ack) {
client_->ReclaimResources(ack);
}
void OutputSurface::DidLoseOutputSurface() {
TRACE_EVENT0("cc", "OutputSurface::DidLoseOutputSurface");
- client_ready_for_begin_impl_frame_ = true;
- pending_swap_buffers_ = 0;
- skipped_begin_impl_frame_args_ = BeginFrameArgs();
- if (frame_rate_controller_)
- frame_rate_controller_->SetActive(false);
pending_gpu_latency_query_ids_.clear();
available_gpu_latency_query_ids_.clear();
client_->DidLoseOutputSurface();
}
OutputSurface::~OutputSurface() {
- if (frame_rate_controller_)
- frame_rate_controller_->SetActive(false);
ResetContext3d();
}
}
bool OutputSurface::InitializeAndSetContext3d(
- scoped_refptr<ContextProvider> context_provider,
- scoped_refptr<ContextProvider> offscreen_context_provider) {
+ scoped_refptr<ContextProvider> context_provider) {
DCHECK(!context_provider_);
DCHECK(context_provider);
DCHECK(client_);
if (context_provider->BindToCurrentThread()) {
context_provider_ = context_provider;
SetUpContext3d();
- if (client_->DeferredInitialize(offscreen_context_provider))
- success = true;
+ client_->DeferredInitialize();
+ success = true;
}
if (!success)
void OutputSurface::SwapBuffers(CompositorFrame* frame) {
if (frame->software_frame_data) {
PostSwapBuffersComplete();
- DidSwapBuffers();
+ client_->DidSwapBuffers();
return;
}
frame->gl_frame_data->sub_buffer_rect);
}
- DidSwapBuffers();
+ client_->DidSwapBuffers();
}
base::TimeDelta OutputSurface::GpuLatencyEstimate() {
weak_ptr_factory_.GetWeakPtr()));
}
+// We don't post tasks bound to the client directly since they might run
+// after the OutputSurface has been destroyed.
+void OutputSurface::OnSwapBuffersComplete() {
+ client_->DidSwapBuffersComplete();
+}
+
void OutputSurface::SetMemoryPolicy(const ManagedMemoryPolicy& policy) {
TRACE_EVENT1("cc", "OutputSurface::SetMemoryPolicy",
"bytes_limit_when_visible", policy.bytes_limit_when_visible);