1// Copyright (c) 2012 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#include "base/at_exit.h"
6#include "base/bind.h"
7#include "base/command_line.h"
8#include "base/i18n/icu_util.h"
9#include "base/memory/scoped_ptr.h"
10#include "base/message_loop/message_loop.h"
11#include "base/strings/string_split.h"
12#include "base/time/time.h"
13#include "cc/output/context_provider.h"
14#include "gpu/command_buffer/client/gles2_interface.h"
15#include "third_party/khronos/GLES2/gl2.h"
16#include "third_party/skia/include/core/SkXfermode.h"
17#include "ui/aura/client/default_capture_client.h"
18#include "ui/aura/env.h"
19#include "ui/aura/root_window.h"
20#include "ui/aura/test/test_focus_client.h"
21#include "ui/aura/test/test_screen.h"
22#include "ui/aura/window.h"
23#include "ui/base/hit_test.h"
24#include "ui/base/resource/resource_bundle.h"
25#include "ui/base/ui_base_paths.h"
26#include "ui/compositor/compositor.h"
27#include "ui/compositor/compositor_observer.h"
28#include "ui/compositor/debug_utils.h"
29#include "ui/compositor/layer.h"
30#include "ui/compositor/test/context_factories_for_test.h"
31#include "ui/gfx/canvas.h"
32#include "ui/gfx/rect.h"
33#include "ui/gfx/skia_util.h"
34#ifndef GL_GLEXT_PROTOTYPES
35#define GL_GLEXT_PROTOTYPES 1
36#endif
37#include "third_party/khronos/GLES2/gl2ext.h"
38
39#if defined(USE_X11)
40#include "base/message_loop/message_pump_x11.h"
41#endif
42
43using base::TimeTicks;
44using ui::Compositor;
45using ui::Layer;
46using ui::LayerDelegate;
47using blink::WebGraphicsContext3D;
48
49namespace {
50
51class ColoredLayer : public Layer, public LayerDelegate {
52 public:
53  explicit ColoredLayer(SkColor color)
54      : Layer(ui::LAYER_TEXTURED),
55        color_(color),
56        draw_(true) {
57    set_delegate(this);
58  }
59
60  virtual ~ColoredLayer() {}
61
62  // Overridden from LayerDelegate:
63  virtual void OnPaintLayer(gfx::Canvas* canvas) OVERRIDE {
64    if (draw_) {
65      canvas->DrawColor(color_);
66    }
67  }
68
69  virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE {
70  }
71
72  virtual base::Closure PrepareForLayerBoundsChange() OVERRIDE {
73    return base::Closure();
74  }
75
76  void set_color(SkColor color) { color_ = color; }
77  void set_draw(bool draw) { draw_ = draw; }
78
79 private:
80  SkColor color_;
81  bool draw_;
82
83  DISALLOW_COPY_AND_ASSIGN(ColoredLayer);
84};
85
86const int kFrames = 100;
87
88// Benchmark base class, hooks up drawing callback and displaying FPS.
89class BenchCompositorObserver : public ui::CompositorObserver {
90 public:
91  explicit BenchCompositorObserver(int max_frames)
92      : start_time_(),
93        frames_(0),
94        max_frames_(max_frames) {
95  }
96
97  virtual void OnCompositingDidCommit(ui::Compositor* compositor) OVERRIDE {}
98
99  virtual void OnCompositingStarted(Compositor* compositor,
100                                    base::TimeTicks start_time) OVERRIDE {}
101
102  virtual void OnCompositingEnded(Compositor* compositor) OVERRIDE {
103    if (start_time_.is_null()) {
104      start_time_ = TimeTicks::Now();
105    } else {
106      ++frames_;
107      if (frames_ % kFrames == 0) {
108        TimeTicks now = TimeTicks::Now();
109        double ms = (now - start_time_).InMillisecondsF() / kFrames;
110        LOG(INFO) << "FPS: " << 1000.f / ms << " (" << ms << " ms)";
111        start_time_ = now;
112      }
113    }
114    if (max_frames_ && frames_ == max_frames_) {
115      base::MessageLoop::current()->Quit();
116    } else {
117      Draw();
118    }
119  }
120
121  virtual void OnCompositingAborted(Compositor* compositor) OVERRIDE {}
122
123  virtual void OnCompositingLockStateChanged(
124      Compositor* compositor) OVERRIDE {}
125
126  virtual void OnUpdateVSyncParameters(ui::Compositor* compositor,
127                                       base::TimeTicks timebase,
128                                       base::TimeDelta interval) OVERRIDE {
129  }
130
131  virtual void Draw() {}
132
133  int frames() const { return frames_; }
134
135 private:
136  TimeTicks start_time_;
137  int frames_;
138  int max_frames_;
139
140  DISALLOW_COPY_AND_ASSIGN(BenchCompositorObserver);
141};
142
143class WebGLTexture : public ui::Texture {
144 public:
145  WebGLTexture(gpu::gles2::GLES2Interface* gl, const gfx::Size& size)
146      : ui::Texture(false, size, 1.0f),
147        gl_(gl),
148        texture_id_(0u) {
149    gl->GenTextures(1, &texture_id_);
150    gl->BindTexture(GL_TEXTURE_2D, texture_id_);
151    gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
152    gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
153    gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
154    gl->TexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
155    gl->TexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, size.width(), size.height(),
156                   0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
157  }
158
159  virtual unsigned int PrepareTexture() OVERRIDE {
160    return texture_id_;
161  }
162
163 private:
164  virtual ~WebGLTexture() {
165    gl_->DeleteTextures(1, &texture_id_);
166  }
167
168  gpu::gles2::GLES2Interface* gl_;
169  GLuint texture_id_;
170
171  DISALLOW_COPY_AND_ASSIGN(WebGLTexture);
172};
173
174// A benchmark that adds a texture layer that is updated every frame.
175class WebGLBench : public BenchCompositorObserver {
176 public:
177  WebGLBench(Layer* parent, Compositor* compositor, int max_frames)
178      : BenchCompositorObserver(max_frames),
179        parent_(parent),
180        webgl_(ui::LAYER_TEXTURED),
181        compositor_(compositor),
182        texture_(),
183        fbo_(0),
184        do_draw_(true) {
185    CommandLine* command_line = CommandLine::ForCurrentProcess();
186    do_draw_ = !command_line->HasSwitch("disable-draw");
187
188    std::string webgl_size = command_line->GetSwitchValueASCII("webgl-size");
189    int width = 0;
190    int height = 0;
191    if (!webgl_size.empty()) {
192      std::vector<std::string> split_size;
193      base::SplitString(webgl_size, 'x', &split_size);
194      if (split_size.size() == 2) {
195        width = atoi(split_size[0].c_str());
196        height = atoi(split_size[1].c_str());
197      }
198    }
199    if (!width || !height) {
200      width = 800;
201      height = 600;
202    }
203    gfx::Rect bounds(width, height);
204    webgl_.SetBounds(bounds);
205    parent_->Add(&webgl_);
206
207    context_provider_ =
208        ui::ContextFactory::GetInstance()->SharedMainThreadContextProvider();
209    gpu::gles2::GLES2Interface* gl = context_provider_->ContextGL();
210    texture_ = new WebGLTexture(gl, bounds.size());
211    gl->GenFramebuffers(1, &fbo_);
212    compositor->AddObserver(this);
213    webgl_.SetExternalTexture(texture_.get());
214    gl->BindFramebuffer(GL_FRAMEBUFFER, fbo_);
215    gl->FramebufferTexture2D(
216        GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
217        GL_TEXTURE_2D, texture_->PrepareTexture(), 0);
218    gl->ClearColor(0.f, 1.f, 0.f, 1.f);
219    gl->Clear(GL_COLOR_BUFFER_BIT);
220    gl->Flush();
221  }
222
223  virtual ~WebGLBench() {
224    context_provider_->ContextGL()->DeleteFramebuffers(1, &fbo_);
225    webgl_.SetShowPaintedContent();
226    texture_ = NULL;
227    compositor_->RemoveObserver(this);
228  }
229
230  virtual void Draw() OVERRIDE {
231    if (do_draw_) {
232      gpu::gles2::GLES2Interface* gl = context_provider_->ContextGL();
233      gl->ClearColor((frames() % kFrames)*1.0/kFrames, 1.f, 0.f, 1.f);
234      gl->Clear(GL_COLOR_BUFFER_BIT);
235      gl->Flush();
236    }
237    webgl_.SetExternalTexture(texture_.get());
238    webgl_.SchedulePaint(gfx::Rect(webgl_.bounds().size()));
239    compositor_->ScheduleDraw();
240  }
241
242 private:
243  Layer* parent_;
244  Layer webgl_;
245  Compositor* compositor_;
246  scoped_refptr<cc::ContextProvider> context_provider_;
247  scoped_refptr<WebGLTexture> texture_;
248
249  // The FBO that is used to render to the texture.
250  unsigned int fbo_;
251
252  // Whether or not to draw to the texture every frame.
253  bool do_draw_;
254
255  DISALLOW_COPY_AND_ASSIGN(WebGLBench);
256};
257
258// A benchmark that paints (in software) all tiles every frame.
259class SoftwareScrollBench : public BenchCompositorObserver {
260 public:
261  SoftwareScrollBench(ColoredLayer* layer,
262                      Compositor* compositor,
263                      int max_frames)
264      : BenchCompositorObserver(max_frames),
265        layer_(layer),
266        compositor_(compositor) {
267    compositor->AddObserver(this);
268    layer_->set_draw(
269        !CommandLine::ForCurrentProcess()->HasSwitch("disable-draw"));
270  }
271
272  virtual ~SoftwareScrollBench() {
273    compositor_->RemoveObserver(this);
274  }
275
276  virtual void Draw() OVERRIDE {
277    layer_->set_color(
278        SkColorSetARGBInline(255*(frames() % kFrames)/kFrames, 255, 0, 255));
279    layer_->SchedulePaint(gfx::Rect(layer_->bounds().size()));
280  }
281
282 private:
283  ColoredLayer* layer_;
284  Compositor* compositor_;
285
286  DISALLOW_COPY_AND_ASSIGN(SoftwareScrollBench);
287};
288
289}  // namespace
290
291int main(int argc, char** argv) {
292  CommandLine::Init(argc, argv);
293
294  base::AtExitManager exit_manager;
295
296  // The ContextFactory must exist before any Compositors are created.
297  bool allow_test_contexts = false;
298  ui::InitializeContextFactoryForTests(allow_test_contexts);
299
300  ui::RegisterPathProvider();
301  base::i18n::InitializeICU();
302  ResourceBundle::InitSharedInstanceWithLocale("en-US", NULL);
303
304  base::MessageLoop message_loop(base::MessageLoop::TYPE_UI);
305  aura::Env::CreateInstance();
306  scoped_ptr<aura::TestScreen> test_screen(
307      aura::TestScreen::CreateFullscreen());
308  gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE, test_screen.get());
309  scoped_ptr<aura::RootWindow> root_window(
310      test_screen->CreateRootWindowForPrimaryDisplay());
311  aura::client::SetCaptureClient(
312      root_window->window(),
313      new aura::client::DefaultCaptureClient(root_window->window()));
314
315  scoped_ptr<aura::client::FocusClient> focus_client(
316      new aura::test::TestFocusClient);
317  aura::client::SetFocusClient(root_window->window(), focus_client.get());
318
319  // add layers
320  ColoredLayer background(SK_ColorRED);
321  background.SetBounds(root_window->window()->bounds());
322  root_window->window()->layer()->Add(&background);
323
324  ColoredLayer window(SK_ColorBLUE);
325  window.SetBounds(gfx::Rect(background.bounds().size()));
326  background.Add(&window);
327
328  Layer content_layer(ui::LAYER_NOT_DRAWN);
329
330  CommandLine* command_line = CommandLine::ForCurrentProcess();
331  bool force = command_line->HasSwitch("force-render-surface");
332  content_layer.SetForceRenderSurface(force);
333  gfx::Rect bounds(window.bounds().size());
334  bounds.Inset(0, 30, 0, 0);
335  content_layer.SetBounds(bounds);
336  window.Add(&content_layer);
337
338  ColoredLayer page_background(SK_ColorWHITE);
339  page_background.SetBounds(gfx::Rect(content_layer.bounds().size()));
340  content_layer.Add(&page_background);
341
342  int frames = atoi(command_line->GetSwitchValueASCII("frames").c_str());
343  scoped_ptr<BenchCompositorObserver> bench;
344
345  if (command_line->HasSwitch("bench-software-scroll")) {
346    bench.reset(new SoftwareScrollBench(&page_background,
347                                        root_window->compositor(),
348                                        frames));
349  } else {
350    bench.reset(new WebGLBench(&page_background,
351                               root_window->compositor(),
352                               frames));
353  }
354
355#ifndef NDEBUG
356  ui::PrintLayerHierarchy(root_window->window()->layer(), gfx::Point(100, 100));
357#endif
358
359  root_window->host()->Show();
360  base::MessageLoopForUI::current()->Run();
361  focus_client.reset();
362  root_window.reset();
363
364  return 0;
365}
366