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// Copyright 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/software_output_device_ozone.h"
#include "third_party/skia/include/core/SkBitmapDevice.h"
#include "third_party/skia/include/core/SkDevice.h"
#include "ui/compositor/compositor.h"
#include "ui/gfx/ozone/surface_factory_ozone.h"
#include "ui/gfx/skia_util.h"
#include "ui/gfx/vsync_provider.h"
namespace content {
SoftwareOutputDeviceOzone::SoftwareOutputDeviceOzone(ui::Compositor* compositor)
: compositor_(compositor), realized_widget_(gfx::kNullAcceleratedWidget) {
gfx::SurfaceFactoryOzone* factory = gfx::SurfaceFactoryOzone::GetInstance();
if (factory->InitializeHardware() != gfx::SurfaceFactoryOzone::INITIALIZED)
LOG(FATAL) << "Failed to initialize hardware in OZONE";
realized_widget_ = factory->RealizeAcceleratedWidget(compositor_->widget());
if (realized_widget_ == gfx::kNullAcceleratedWidget)
LOG(FATAL) << "Failed to get a realized AcceleratedWidget";
vsync_provider_.reset(factory->GetVSyncProvider(realized_widget_));
}
SoftwareOutputDeviceOzone::~SoftwareOutputDeviceOzone() {
}
void SoftwareOutputDeviceOzone::Resize(gfx::Size viewport_size) {
if (viewport_size_ == viewport_size)
return;
viewport_size_ = viewport_size;
gfx::Rect bounds(viewport_size_);
gfx::SurfaceFactoryOzone* factory = gfx::SurfaceFactoryOzone::GetInstance();
factory->AttemptToResizeAcceleratedWidget(compositor_->widget(),
bounds);
canvas_ = skia::SharePtr(factory->GetCanvasForWidget(realized_widget_));
device_ = skia::SharePtr(canvas_->getDevice());
}
SkCanvas* SoftwareOutputDeviceOzone::BeginPaint(gfx::Rect damage_rect) {
DCHECK(gfx::Rect(viewport_size_).Contains(damage_rect));
canvas_->clipRect(gfx::RectToSkRect(damage_rect), SkRegion::kReplace_Op);
// Save the current state so we can restore once we're done drawing. This is
// saved after the clip since we want to keep the clip information after we're
// done drawing such that OZONE knows what was updated.
canvas_->save();
return SoftwareOutputDevice::BeginPaint(damage_rect);
}
void SoftwareOutputDeviceOzone::EndPaint(cc::SoftwareFrameData* frame_data) {
SoftwareOutputDevice::EndPaint(frame_data);
canvas_->restore();
if (damage_rect_.IsEmpty())
return;
bool scheduled = gfx::SurfaceFactoryOzone::GetInstance()->SchedulePageFlip(
compositor_->widget());
DCHECK(scheduled) << "Failed to schedule pageflip";
}
} // namespace content
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