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// Copyright (c) 2011 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/accelerated_surface_container_linux.h"
#include "base/memory/scoped_ptr.h"
#include "content/browser/renderer_host/image_transport_client.h"
#include "ui/gfx/compositor/compositor_cc.h"
#include "ui/gfx/gl/gl_bindings.h"
#include "ui/gfx/gl/scoped_make_current.h"
#include "ui/gfx/rect.h"
#include "ui/gfx/transform.h"
namespace {
class AcceleratedSurfaceContainerLinuxCC
: public AcceleratedSurfaceContainerLinux, public ui::TextureCC {
public:
explicit AcceleratedSurfaceContainerLinuxCC(const gfx::Size& size)
: acquired_(false) {
size_ = size;
}
virtual ~AcceleratedSurfaceContainerLinuxCC() {
if (texture_id_) {
ui::SharedResourcesCC* instance = ui::SharedResourcesCC::GetInstance();
DCHECK(instance);
scoped_ptr<gfx::ScopedMakeCurrent> bind(instance->GetScopedMakeCurrent());
glDeleteTextures(1, &texture_id_);
}
if (image_transport_client_.get())
image_transport_client_->Release();
}
virtual void AddRef() { ui::TextureCC::AddRef(); }
virtual void Release() { ui::TextureCC::Release(); }
virtual bool Initialize(uint64* surface_id) OVERRIDE {
ui::SharedResourcesCC* instance = ui::SharedResourcesCC::GetInstance();
DCHECK(instance);
image_transport_client_.reset(
ImageTransportClient::Create(instance, size_));
if (!image_transport_client_.get())
return false;
texture_id_ = image_transport_client_->Initialize(surface_id);
if (!texture_id_) {
image_transport_client_.reset();
return false;
}
flipped_ = image_transport_client_->Flipped();
return true;
}
// TextureCC implementation
virtual void Update() OVERRIDE {
ui::SharedResourcesCC* instance = ui::SharedResourcesCC::GetInstance();
DCHECK(instance);
scoped_ptr<gfx::ScopedMakeCurrent> bind(instance->GetScopedMakeCurrent());
if (acquired_)
image_transport_client_->Release();
else
acquired_ = true;
image_transport_client_->Acquire();
}
virtual TransportDIB::Handle Handle() const {
return image_transport_client_->Handle();
}
virtual ui::Texture* GetTexture() { return this; }
private:
scoped_ptr<ImageTransportClient> image_transport_client_;
bool acquired_;
DISALLOW_COPY_AND_ASSIGN(AcceleratedSurfaceContainerLinuxCC);
};
} // namespace
// static
AcceleratedSurfaceContainerLinux*
AcceleratedSurfaceContainerLinux::Create(const gfx::Size& size) {
return new AcceleratedSurfaceContainerLinuxCC(size);
}
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