Benchmark tool for GPU-accelerated video rendering

media/tools/shader_bench/painter.h

+// Copyright (c) 2010 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 MEDIA_TOOLS_SHADER_BENCH_PAINTER_H_
+#define MEDIA_TOOLS_SHADER_BENCH_PAINTER_H_
+
+#include <deque>
+
+#include "base/scoped_ptr.h"
+#include "media/base/video_frame.h"
+
+// Class that paints video frames to a window.
+class Painter {
+ public:
+  Painter();
+  virtual ~Painter();
+
+  // Loads frames into Painter. Painter does not take ownership of frames.
+  virtual void LoadFrames(
+      std::deque<scoped_refptr<media::VideoFrame> >* frames);
+
+  // Called window is ready to be painted.
+  virtual void OnPaint();
+
+  // Initialize a Painter class with a width and a height
+  virtual void Initialize(int width, int height) = 0;
+
+  // Paint a single frame to a window.
+  virtual void Paint(scoped_refptr<media::VideoFrame> video_frame) = 0;
+
+ private:
+  // Frames that the Painter will paint.
+  std::deque<scoped_refptr<media::VideoFrame> >* frames_;
+
+  DISALLOW_COPY_AND_ASSIGN(Painter);
+};
+
+#endif  // MEDIA_TOOLS_SHADER_BENCH_PAINTER_H_