Benchmark tool for GPU-accelerated video rendering

media/tools/shader_bench/gpu_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_BENCHMARK_GPU_PAINTER_H_
+#define MEDIA_TOOLS_BENCHMARK_GPU_PAINTER_H_
+
+#include "app/gfx/gl/gl_bindings.h"
+#include "app/gfx/gl/gl_context.h"
+#include "app/gfx/gl/gl_implementation.h"
+#include "media/tools/shader_bench/painter.h"
+
+// Class that renders video frames to a window via GPU.
+class GPUPainter : public Painter {
+ public:
+  GPUPainter();
+  virtual void SetGLContext(gfx::GLContext* context);
+ protected:
+  static GLuint LoadShader(gfx::GLContext* context, unsigned type,
+                           const char* shader_source);
+  static GLuint CreateShaderProgram(gfx::GLContext* context,
+                           const char* vertex_shader_source,
+                           const char* fragment_shader_source);
+  gfx::GLContext* context_;
+
+  DISALLOW_COPY_AND_ASSIGN(GPUPainter);
+};
+
+#endif  // MEDIA_TOOLS_BENCHMARK_GPU_PAINTER_H_