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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/aura/browser_compositor_output_surface.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/location.h"
#include "base/message_loop/message_loop_proxy.h"
#include "base/strings/string_number_conversions.h"
#include "cc/output/compositor_frame.h"
#include "content/browser/aura/reflector_impl.h"
#include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
#include "ui/compositor/compositor.h"
#include "ui/compositor/compositor_switches.h"
namespace content {
BrowserCompositorOutputSurface::BrowserCompositorOutputSurface(
scoped_ptr<WebKit::WebGraphicsContext3D> context,
int surface_id,
IDMap<BrowserCompositorOutputSurface>* output_surface_map,
base::MessageLoopProxy* compositor_message_loop,
base::WeakPtr<ui::Compositor> compositor)
: OutputSurface(context.Pass()),
surface_id_(surface_id),
output_surface_map_(output_surface_map),
compositor_message_loop_(compositor_message_loop),
compositor_(compositor) {
CommandLine* command_line = CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(switches::kUIMaxFramesPending)) {
std::string string_value = command_line->GetSwitchValueASCII(
switches::kUIMaxFramesPending);
int int_value;
if (base::StringToInt(string_value, &int_value))
capabilities_.max_frames_pending = int_value;
else
LOG(ERROR) << "Trouble parsing --" << switches::kUIMaxFramesPending;
}
capabilities_.adjust_deadline_for_parent = false;
DetachFromThread();
}
BrowserCompositorOutputSurface::~BrowserCompositorOutputSurface() {
DCHECK(CalledOnValidThread());
if (!HasClient())
return;
output_surface_map_->Remove(surface_id_);
}
bool BrowserCompositorOutputSurface::BindToClient(
cc::OutputSurfaceClient* client) {
DCHECK(CalledOnValidThread());
if (!OutputSurface::BindToClient(client))
return false;
output_surface_map_->AddWithID(this, surface_id_);
return true;
}
void BrowserCompositorOutputSurface::Reshape(gfx::Size size,
float scale_factor) {
OutputSurface::Reshape(size, scale_factor);
if (reflector_.get())
reflector_->OnReshape(size);
}
void BrowserCompositorOutputSurface::SwapBuffers(cc::CompositorFrame* frame) {
DCHECK(frame->gl_frame_data);
WebGraphicsContext3DCommandBufferImpl* command_buffer =
static_cast<WebGraphicsContext3DCommandBufferImpl*>(context3d());
CommandBufferProxyImpl* command_buffer_proxy =
command_buffer->GetCommandBufferProxy();
DCHECK(command_buffer_proxy);
context3d()->shallowFlushCHROMIUM();
command_buffer_proxy->SetLatencyInfo(frame->metadata.latency_info);
if (reflector_.get()) {
if (frame->gl_frame_data->sub_buffer_rect ==
gfx::Rect(frame->gl_frame_data->size))
reflector_->OnSwapBuffers();
else
reflector_->OnPostSubBuffer(frame->gl_frame_data->sub_buffer_rect);
}
OutputSurface::SwapBuffers(frame);
}
void BrowserCompositorOutputSurface::OnUpdateVSyncParameters(
base::TimeTicks timebase,
base::TimeDelta interval) {
DCHECK(CalledOnValidThread());
DCHECK(HasClient());
OnVSyncParametersChanged(timebase, interval);
compositor_message_loop_->PostTask(
FROM_HERE,
base::Bind(&ui::Compositor::OnUpdateVSyncParameters,
compositor_, timebase, interval));
}
void BrowserCompositorOutputSurface::SetReflector(ReflectorImpl* reflector) {
reflector_ = reflector;
}
} // namespace content
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