Ozone integration.

ui/ozone/platform/drm/gpu/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_DRM_GPU_GBM_BUFFER_H_
+#define UI_OZONE_PLATFORM_DRM_GPU_GBM_BUFFER_H_
+
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "ui/gfx/geometry/size.h"
+#include "ui/ozone/platform/drm/gpu/gbm_buffer_base.h"
+#include "ui/ozone/platform/drm/gpu/screen_manager.h"
+#include "ui/ozone/public/native_pixmap.h"
+#include "ui/ozone/public/surface_factory_ozone.h"
+
+struct gbm_bo;
+
+namespace ui {
+
+class GbmDevice;
+
+class GbmBuffer : public GbmBufferBase {
+ public:
+  static scoped_refptr<GbmBuffer> CreateBuffer(
+      const scoped_refptr<GbmDevice>& gbm,
+      SurfaceFactoryOzone::BufferFormat format,
+      const gfx::Size& size,
+      bool scanout);
+
+ private:
+  GbmBuffer(const scoped_refptr<GbmDevice>& gbm, gbm_bo* bo, bool scanout);
+  ~GbmBuffer() override;
+
+  DISALLOW_COPY_AND_ASSIGN(GbmBuffer);
+};
+
+class GbmPixmap : public NativePixmap {
+ public:
+  GbmPixmap(const scoped_refptr<GbmBuffer>& buffer,
+            ScreenManager* screen_manager);
+  bool Initialize();
+
+  // NativePixmap:
+  void* GetEGLClientBuffer() override;
+  int GetDmaBufFd() override;
+  int GetDmaBufPitch() override;
+  bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
+                            int plane_z_order,
+                            gfx::OverlayTransform plane_transform,
+                            const gfx::Rect& display_bounds,
+                            const gfx::RectF& crop_rect) override;
+
+  scoped_refptr<GbmBuffer> buffer() { return buffer_; }
+
+ private:
+  ~GbmPixmap() override;
+
+  scoped_refptr<GbmBuffer> buffer_;
+  int dma_buf_ = -1;
+
+  ScreenManager* screen_manager_;  // Not owned.
+
+  DISALLOW_COPY_AND_ASSIGN(GbmPixmap);
+};
+
+}  // namespace ui
+
+#endif  // UI_OZONE_PLATFORM_DRM_GPU_GBM_BUFFER_H_