Ozone integration.

ui/ozone/demo/surfaceless_gl_renderer.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_DEMO_SURFACELESS_GL_RENDERER_H_
+#define UI_OZONE_DEMO_SURFACELESS_GL_RENDERER_H_
+
+#include "ui/ozone/demo/gl_renderer.h"
+
+namespace gfx {
+class GLImage;
+}  // namespace gfx
+
+namespace ui {
+
+class GpuMemoryBufferFactoryOzoneNativeBuffer;
+
+class SurfacelessGlRenderer : public GlRenderer {
+ public:
+  SurfacelessGlRenderer(
+      gfx::AcceleratedWidget widget,
+      const gfx::Size& size,
+      GpuMemoryBufferFactoryOzoneNativeBuffer* buffer_factory);
+  ~SurfacelessGlRenderer() override;
+
+  // Renderer:
+  bool Initialize() override;
+
+ private:
+  // GlRenderer:
+  void RenderFrame() override;
+  scoped_refptr<gfx::GLSurface> CreateSurface() override;
+
+  class BufferWrapper {
+   public:
+    BufferWrapper();
+    ~BufferWrapper();
+
+    bool Initialize(GpuMemoryBufferFactoryOzoneNativeBuffer* buffer_factory,
+                    gfx::AcceleratedWidget widget,
+                    const gfx::Size& size);
+    void BindFramebuffer();
+    void SchedulePlane();
+
+   private:
+    gfx::AcceleratedWidget widget_ = gfx::kNullAcceleratedWidget;
+    gfx::Size size_;
+
+    scoped_refptr<gfx::GLImage> image_;
+    unsigned int gl_fb_ = 0;
+    unsigned int gl_tex_ = 0;
+  };
+
+  GpuMemoryBufferFactoryOzoneNativeBuffer* buffer_factory_;
+
+  BufferWrapper buffers_[2];
+  int back_buffer_ = 0;
+
+  base::WeakPtrFactory<SurfacelessGlRenderer> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(SurfacelessGlRenderer);
+};
+
+}  // namespace ui
+
+#endif  // UI_OZONE_DEMO_SURFACELESS_GL_RENDERER_H_