[Ozone-DRI] Convert HardwareDisplayController to use scanout buffers

ui/ozone/platform/dri/gbm_buffer.h

 // Copyright 2014 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.
 
 #ifndef UI_OZONE_PLATFORM_DRI_GBM_BUFFER_H_
 #define UI_OZONE_PLATFORM_DRI_GBM_BUFFER_H_
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/gfx/geometry/size.h"
-#include "ui/ozone/platform/dri/scanout_surface.h"
+#include "ui/ozone/platform/dri/gbm_buffer_base.h"
 #include "ui/ozone/public/native_pixmap.h"
 #include "ui/ozone/public/surface_factory_ozone.h"
 
 struct gbm_bo;
 struct gbm_device;
 
 namespace ui {
 
 class DriWrapper;
 
-class GbmBuffer : public ScanoutSurface {
+class GbmBuffer : public GbmBufferBase {
  public:
-  GbmBuffer(gbm_device* device, DriWrapper* dri, const gfx::Size& size);
+  static scoped_refptr<GbmBuffer> CreateBuffer(
+      DriWrapper* dri,
+      gbm_device* device,
+      SurfaceFactoryOzone::BufferFormat format,
+      const gfx::Size& size,
+      bool scanout);
+
+ private:
+  GbmBuffer(DriWrapper* dri, gbm_bo* bo, bool scanout);
   virtual ~GbmBuffer();
 
-  bool InitializeBuffer(SurfaceFactoryOzone::BufferFormat format, bool scanout);
-
-  // ScanoutSurface:
-  virtual bool Initialize() OVERRIDE;
-  virtual uint32_t GetFramebufferId() const OVERRIDE;
-  virtual uint32_t GetHandle() const OVERRIDE;
-  virtual gfx::Size Size() const OVERRIDE;
-  virtual void PreSwapBuffers() OVERRIDE;
-  virtual void SwapBuffers() OVERRIDE;
-
-  gbm_bo* bo() { return bo_; }
-
- private:
-  gbm_device* gbm_device_;
-  gbm_bo* bo_;
-
-  uint32_t handle_;
-  uint32_t framebuffer_;
-
-  DriWrapper* dri_;
-
-  gfx::Size size_;
+  DISALLOW_COPY_AND_ASSIGN(GbmBuffer);
 };
 
 class GbmPixmap : public NativePixmap {
  public:
-  GbmPixmap(gbm_device* device, DriWrapper* dri, const gfx::Size& size);
+  GbmPixmap(scoped_refptr<GbmBuffer> buffer);
 
   // NativePixmap:
   virtual void* GetEGLClientBuffer() OVERRIDE;
   virtual int GetDmaBufFd() OVERRIDE;
 
-  GbmBuffer* buffer() { return &buffer_; }
+  scoped_refptr<GbmBuffer> buffer() { return buffer_; }
 
  private:
   virtual ~GbmPixmap();
 
-  GbmBuffer buffer_;
+  scoped_refptr<GbmBuffer> buffer_;
+
+  DISALLOW_COPY_AND_ASSIGN(GbmPixmap);
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRI_GBM_BUFFER_H_