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// Copyright (c) 2012 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/renderer_host/compositor_impl_android.h"
#include "base/bind.h"
#include "base/logging.h"
#include "content/browser/android/graphics_context.h"
#include "content/browser/gpu/browser_gpu_channel_host_factory.h"
#include "content/common/gpu/client/gpu_channel_host.h"
#include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
#include "content/common/gpu/gpu_process_launch_causes.h"
#include "third_party/WebKit/Source/Platform/chromium/public/WebCompositor.h"
#include "third_party/WebKit/Source/Platform/chromium/public/WebCompositorOutputSurface.h"
namespace {
// Adapts a pure WebGraphicsContext3D into a WebCompositorOutputSurface.
class WebGraphicsContextToOutputSurfaceAdapter :
public WebKit::WebCompositorOutputSurface {
public:
explicit WebGraphicsContextToOutputSurfaceAdapter(
WebKit::WebGraphicsContext3D* context)
: m_context3D(context)
, m_client(0)
{
}
virtual bool bindToClient(
WebKit::WebCompositorOutputSurfaceClient* client) OVERRIDE
{
DCHECK(client);
if (!m_context3D->makeContextCurrent())
return false;
m_client = client;
return true;
}
virtual const Capabilities& capabilities() const OVERRIDE
{
return m_capabilities;
}
virtual WebKit::WebGraphicsContext3D* context3D() const OVERRIDE
{
return m_context3D.get();
}
virtual void sendFrameToParentCompositor(
const WebKit::WebCompositorFrame&) OVERRIDE
{
}
private:
scoped_ptr<WebKit::WebGraphicsContext3D> m_context3D;
Capabilities m_capabilities;
WebKit::WebCompositorOutputSurfaceClient* m_client;
};
} // anonymous namespace
namespace content {
// static
Compositor* Compositor::Create() {
return new CompositorImpl();
}
// static
void Compositor::Initialize() {
WebKit::WebCompositor::initialize(NULL);
}
CompositorImpl::CompositorImpl()
: root_layer_(WebKit::WebLayer::create()) {
}
CompositorImpl::~CompositorImpl() {
}
void CompositorImpl::OnSurfaceUpdated(
const SurfacePresentedCallback& callback) {
host_->composite();
uint32 sync_point = context_->InsertSyncPoint();
callback.Run(sync_point);
}
void CompositorImpl::SetRootLayer(WebKit::WebLayer* root_layer) {
root_layer_->removeAllChildren();
root_layer_->addChild(root_layer);
}
void CompositorImpl::SetWindowSurface(ANativeWindow* window) {
if (window) {
context_.reset(GraphicsContext::CreateForUI(window));
WebKit::WebLayerTreeView::Settings settings;
settings.refreshRate = 60.0;
host_.reset(WebKit::WebLayerTreeView::create(this, *root_layer_, settings));
host_->setVisible(true);
host_->setSurfaceReady();
} else {
context_.reset(NULL);
size_ = gfx::Size();
}
}
void CompositorImpl::SetWindowBounds(const gfx::Size& size) {
if (size_ == size)
return;
size_ = size;
host_->setViewportSize(size);
root_layer_->setBounds(size);
}
void CompositorImpl::updateAnimations(double frameBeginTime) {
}
void CompositorImpl::layout() {
}
void CompositorImpl::applyScrollAndScale(const WebKit::WebSize& scrollDelta,
float scaleFactor) {
}
WebKit::WebCompositorOutputSurface* CompositorImpl::createOutputSurface() {
if (!context_.get())
return NULL;
WebKit::WebGraphicsContext3D::Attributes attrs;
attrs.shareResources = true;
GpuChannelHostFactory* factory = BrowserGpuChannelHostFactory::instance();
GURL url("chrome://gpu/Compositor::createContext3D");
base::WeakPtr<WebGraphicsContext3DSwapBuffersClient> swap_client;
scoped_ptr<WebGraphicsContext3DCommandBufferImpl> context(
new WebGraphicsContext3DCommandBufferImpl(
context_->GetSurfaceID(),
url,
factory,
swap_client));
if (!context->Initialize(
attrs,
false,
CAUSE_FOR_GPU_LAUNCH_WEBGRAPHICSCONTEXT3DCOMMANDBUFFERIMPL_INITIALIZE)) {
LOG(ERROR) << "Failed to create 3D context for compositor.";
return NULL;
}
return new WebGraphicsContextToOutputSurfaceAdapter(context.release());
}
void CompositorImpl::didRecreateOutputSurface(bool success) {
}
void CompositorImpl::didCommit() {
}
void CompositorImpl::didCommitAndDrawFrame() {
}
void CompositorImpl::didCompleteSwapBuffers() {
}
void CompositorImpl::scheduleComposite() {
}
} // namespace content
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