1 // Copyright (c) 2013 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 #ifndef CONTENT_RENDERER_SKIA_BENCHMARKING_EXTENSION_H_ 6 #define CONTENT_RENDERER_SKIA_BENCHMARKING_EXTENSION_H_ 7 8 #include "base/basictypes.h" 9 #include "gin/wrappable.h" 10 11 namespace blink { 12 class WebFrame; 13 } 14 15 namespace gin { 16 class Arguments; 17 } 18 19 namespace content { 20 21 class SkiaBenchmarking : public gin::Wrappable<SkiaBenchmarking> { 22 public: 23 static gin::WrapperInfo kWrapperInfo; 24 static void Install(blink::WebFrame* frame); 25 26 // Wrapper around SkGraphics::Init that can be invoked multiple times. 27 static void Initialize(); 28 29 private: 30 SkiaBenchmarking(); 31 virtual ~SkiaBenchmarking(); 32 33 // gin::Wrappable. 34 virtual gin::ObjectTemplateBuilder GetObjectTemplateBuilder( 35 v8::Isolate* isolate) OVERRIDE; 36 37 // Rasterizes a Picture JSON-encoded by cc::Picture::AsValue(). 38 // 39 // Takes a JSON-encoded cc::Picture and optionally rasterization parameters: 40 // { 41 // 'scale': {Number}, 42 // 'stop': {Number}, 43 // 'overdraw': {Boolean}, 44 // 'clip': [Number, Number, Number, Number] 45 // } 46 // 47 // Returns 48 // { 49 // 'width': {Number}, 50 // 'height': {Number}, 51 // 'data': {ArrayBuffer} 52 // } 53 void Rasterize(gin::Arguments* args); 54 55 // Extracts the Skia draw commands from a JSON-encoded cc::Picture. 56 // 57 // Takes a JSON-encoded cc::Picture and returns 58 // [{ 'cmd': {String}, 'info': [String, ...] }, ...] 59 void GetOps(gin::Arguments* args); 60 61 // Returns timing information for the given picture. 62 // 63 // Takes a JSON-encoded cc::Picture and returns 64 // { 'total_time': {Number}, 'cmd_times': [Number, ...] } 65 void GetOpTimings(gin::Arguments* args); 66 67 // Returns meta information for the given picture. 68 // 69 // Takes a base64 encoded SKP and returns 70 // { 'width': {Number}, 'height': {Number} } 71 void GetInfo(gin::Arguments* args); 72 73 DISALLOW_COPY_AND_ASSIGN(SkiaBenchmarking); 74 }; 75 76 } // namespace content 77 78 #endif // CONTENT_RENDERER_SKIA_BENCHMARKING_EXTENSION_H_ 79