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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_gl.h"
#include "ui/gfx/rect.h"
#include "ui/gfx/transform.h"
namespace {
class AcceleratedSurfaceContainerLinuxGL
: public AcceleratedSurfaceContainerLinux, public ui::TextureGL {
public:
explicit AcceleratedSurfaceContainerLinuxGL(const gfx::Size& size)
: ui::TextureGL(size) {
}
virtual ~AcceleratedSurfaceContainerLinuxGL() { }
virtual void AddRef() { ui::TextureGL::AddRef(); }
virtual void Release() { ui::TextureGL::Release(); }
virtual bool Initialize(uint64* surface_id) OVERRIDE {
ui::SharedResourcesGL* instance = ui::SharedResourcesGL::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;
}
return true;
}
// TextureGL implementation
virtual void SetCanvas(const SkCanvas& canvas,
const gfx::Point& origin,
const gfx::Size& overall_size) OVERRIDE {
NOTREACHED();
}
virtual void Draw(const ui::TextureDrawParams& params,
const gfx::Rect& clip_bounds_in_texture) OVERRIDE {
image_transport_client_->Acquire();
ui::TextureDrawParams modified_params = params;
if (image_transport_client_->Flipped())
modified_params.vertically_flipped = true;
ui::SharedResourcesGL* instance = ui::SharedResourcesGL::GetInstance();
DrawInternal(*instance->program_no_swizzle(),
modified_params,
clip_bounds_in_texture);
image_transport_client_->Release();
}
virtual TransportDIB::Handle Handle() const {
return image_transport_client_->Handle();
}
virtual ui::Texture* GetTexture() { return this; }
private:
scoped_ptr<ImageTransportClient> image_transport_client_;
DISALLOW_COPY_AND_ASSIGN(AcceleratedSurfaceContainerLinuxGL);
};
} // namespace
// static
AcceleratedSurfaceContainerLinux*
AcceleratedSurfaceContainerLinux::Create(const gfx::Size& size) {
return new AcceleratedSurfaceContainerLinuxGL(size);
}
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