Add Vaapi support on Ozone/Freon

content/common/gpu/media/vaapi_drm_picture.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
+// Ozone window system used by VaapiVideoDecodeAccelerator to produce
+// output pictures.
+
+#ifndef CONTENT_COMMON_GPU_MEDIA_VAAPI_DRM_PICTURE_H_
+#define CONTENT_COMMON_GPU_MEDIA_VAAPI_DRM_PICTURE_H_
+
+#include "base/callback.h"
+#include "base/memory/ref_counted.h"
+#include "content/common/gpu/media/vaapi_picture.h"
+#include "ui/gfx/size.h"
+
+namespace gfx {
+class GLImageLinuxDMABuffer;
+}
+
+namespace ui {
+class NativePixmap;
+}
+
+namespace content {
+
+class VaapiWrapper;
+
+// Implementation of VaapiPicture for the ozone/drm backed chromium.
+class VaapiDrmPicture : public VaapiPicture {
+ public:
+  VaapiDrmPicture(VaapiWrapper* vaapi_wrapper,
+                  const base::Callback<bool(void)>& make_context_current,
+                  int32 picture_buffer_id,
+                  uint32 texture_id,
+                  const gfx::Size& size);
+
+  ~VaapiDrmPicture() override;
+
+  bool Initialize() override;
+
+  bool DownloadFromSurface(const scoped_refptr<VASurface>& va_surface) override;
+
+ private:
+  VaapiWrapper* vaapi_wrapper_;  // Not owned.
+  base::Callback<bool(void)> make_context_current_;
+
+  // Ozone buffer, the storage of the EGLImage and the VASurface.
+  scoped_refptr<ui::NativePixmap> pixmap_;
+
+  // EGLImage bound to the GL textures used by the VDA client.
+  scoped_refptr<gfx::GLImageLinuxDMABuffer> gl_image_;
+
+  // VASurface used to transfer from the decoder's pixel format.
+  scoped_refptr<VASurface> va_surface_;
+
+  DISALLOW_COPY_AND_ASSIGN(VaapiDrmPicture);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_GPU_MEDIA_VAAPI_DRM_PICTURE_H_