Benchmark tool for GPU-accelerated video rendering

media/tools/shader_bench/gpu_color_painter_exp.h

Index: media/tools/shader_bench/gpu_color_painter_exp.h
diff --git a/media/tools/shader_bench/gpu_color_painter_exp.h b/media/tools/shader_bench/gpu_color_painter_exp.h
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+// 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_GPU_COLOR_PAINTER_EXP_H_
+#define MEDIA_TOOLS_SHADER_BENCH_GPU_COLOR_PAINTER_EXP_H_
+
+#include "app/gfx/gl/gl_context.h"
+#include "base/scoped_ptr.h"
+#include "media/base/video_frame.h"
+#include "media/tools/shader_bench/gpu_painter.h"
+
+// Does color space conversion using RGBA textures acting as
+// luminance textures (experimental shader hack) for YUV->RGBA
+// conversion; renders using GPU.
+class GPUColorRGBALumHackPainter : public GPUPainter {
+ public:
+  GPUColorRGBALumHackPainter();
+  virtual ~GPUColorRGBALumHackPainter();
+
+  // Painter interface.
+  virtual void Initialize(int width, int height);
+  virtual void Paint(scoped_refptr<media::VideoFrame> video_frame);
+
+ private:
+  // Shader program id.
+  GLuint program_id_;
+
+  // IDs of 3 RGBA textures, pretending to be luminance textures.
+  GLuint textures_[3];
+
+  DISALLOW_COPY_AND_ASSIGN(GPUColorRGBALumHackPainter);
+};
+
+#endif  // MEDIA_TOOLS_SHADER_BENCH_GPU_COLOR_PAINTER_EXP_H_