VaapiVideoAccelerator: make Vaapi accelerator work with ozone

content/common/gpu/media/vaapi_picture_provider_x11.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.
+//
+// This file contains an implementation of picture allocation for the
+// X11 window system used by VaapiPictureProvider to produce output
+// pictures.
+
+#ifndef CONTENT_COMMON_GPU_MEDIA_VAAPI_PICTURE_PROVIDER_X11_H_
+#define CONTENT_COMMON_GPU_MEDIA_VAAPI_PICTURE_PROVIDER_X11_H_
+
+#include "base/callback.h"
+#include "content/common/gpu/media/vaapi_picture_provider.h"
+#include "content/common/gpu/media/vaapi_wrapper.h"
+#include "third_party/libva/va/va.h"
+#include "ui/gfx/size.h"
+#include "ui/gl/gl_bindings.h"
+#include "ui/gl/gl_context_glx.h"
+
+namespace content {
+
+// Implementation of the VaapiPictureProvider for the X11 backed
+// chromium.
+class X11VaapiPictureProvider : public VaapiPictureProvider {
+ public:
+  X11VaapiPictureProvider(
+      scoped_refptr<VaapiWrapper> vaapi_wrapper,
+      gfx::GLContextGLX* glx_context,
+      const base::Callback<bool(void)> make_context_current);
+  virtual ~X11VaapiPictureProvider();
+
+ protected:
+  virtual linked_ptr<VaapiPictureProvider::Picture> AllocatePicture(
+      int32 picture_buffer_id,
+      uint32 texture_id,
+      const gfx::Size& size) override;
+
+ private:
+  virtual bool Initialize() override;
+
+  gfx::GLContextGLX* glx_context_;
+  base::Callback<bool(void)> make_context_current_;
+
+  Display* x_display_;
+  GLXFBConfig fb_config_;
+
+  scoped_refptr<VaapiWrapper> vaapi_wrapper_;
+
+  DISALLOW_COPY_AND_ASSIGN(X11VaapiPictureProvider);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_GPU_MEDIA_VAAPI_PICTURE_PROVIDER_X11_H_