gpu: play skp files through the command buffer

gpu/skia_runner/sk_picture_rasterizer.h

+// Copyright (c) 2015 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.
+
+#include "base/memory/scoped_ptr.h"
+#include "gpu/command_buffer/client/gl_in_process_context.h"
+#include "skia/ext/refptr.h"
+#include "third_party/skia/include/core/SkPicture.h"
+#include "third_party/skia/include/gpu/GrContext.h"
+
+namespace skia_runner {
+
+class SkPictureRasterizer {
+ public:
+  SkPictureRasterizer(skia::RefPtr<GrContext> gr_context, int max_texture_size);
+  ~SkPictureRasterizer();
+
+  skia::RefPtr<SkImage> Rasterize(const SkPicture* picture) const;
+
+  void set_msaa_sample_count(int msaa_sample_count) {
+    msaa_sample_count_ = msaa_sample_count;
+  }
+  void set_use_lcd_text(bool use_lcd_text) { use_lcd_text_ = use_lcd_text; }
+  void set_use_distance_field_text(bool use_distance_field_text) {
+    use_distance_field_text_ = use_distance_field_text;
+  }
+
+ private:
+  skia::RefPtr<SkImage> RasterizeTile(const SkPicture* picture,
+                                      const SkRect& rect) const;
+
+  bool use_lcd_text_;
+  bool use_distance_field_text_;
+  int msaa_sample_count_;
+
+  int max_texture_size_;
+  skia::RefPtr<GrContext> gr_context_;
+};
+
+}  // namespace skia_runner