content/common/gpu/media/vaapi_drm_picture.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4 //
   5 // This file contains an implementation of picture allocation for the
   6 // Ozone window system used by VaapiVideoDecodeAccelerator to produce
   7 // output pictures.
   8
   9 #ifndef CONTENT_COMMON_GPU_MEDIA_VAAPI_DRM_PICTURE_H_
  10 #define CONTENT_COMMON_GPU_MEDIA_VAAPI_DRM_PICTURE_H_
  11
  12 #include "base/callback.h"
  13 #include "base/memory/ref_counted.h"
  14 #include "content/common/gpu/media/vaapi_picture.h"
  15 #include "ui/gfx/geometry/size.h"
  16
  17 namespace gfx {
  18 class GLImage;
  19 }
  20
  21 namespace ui {
  22 class NativePixmap;
  23 }
  24
  25 namespace content {
  26
  27 class VaapiWrapper;
  28
  29 // Implementation of VaapiPicture for the ozone/drm backed chromium.
  30 class VaapiDrmPicture : public VaapiPicture {
  31  public:
  32   VaapiDrmPicture(VaapiWrapper* vaapi_wrapper,
  33                   const base::Callback<bool(void)>& make_context_current,
  34                   int32 picture_buffer_id,
  35                   uint32 texture_id,
  36                   const gfx::Size& size);
  37
  38   ~VaapiDrmPicture() override;
  39
  40   bool Initialize() override;
  41
  42   bool DownloadFromSurface(const scoped_refptr<VASurface>& va_surface) override;
  43
  44   scoped_refptr<gfx::GLImage> GetImageToBind() override;
  45
  46   bool AllowOverlay() const override;
  47
  48  private:
  49   VaapiWrapper* vaapi_wrapper_;  // Not owned.
  50   base::Callback<bool(void)> make_context_current_;
  51
  52   // Ozone buffer, the storage of the EGLImage and the VASurface.
  53   scoped_refptr<ui::NativePixmap> pixmap_;
  54
  55   // EGLImage bound to the GL textures used by the VDA client.
  56   scoped_refptr<gfx::GLImage> gl_image_;
  57
  58   // VASurface used to transfer from the decoder's pixel format.
  59   scoped_refptr<VASurface> va_surface_;
  60
  61   DISALLOW_COPY_AND_ASSIGN(VaapiDrmPicture);
  62 };
  63
  64 }  // namespace content
  65
  66 #endif  // CONTENT_COMMON_GPU_MEDIA_VAAPI_DRM_PICTURE_H_