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| 1 // Copyright 2014 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/command_line.h" | |
| 7 #include "base/message_loop/message_loop.h" | |
| 8 #include "base/run_loop.h" | |
| 9 #include "base/timer/timer.h" | |
| 10 #include "third_party/skia/include/core/SkCanvas.h" | |
| 11 #include "third_party/skia/include/core/SkColor.h" | |
| 12 #include "ui/gfx/geometry/size.h" | |
| 13 #include "ui/gl/gl_bindings.h" | |
| 14 #include "ui/gl/gl_context.h" | |
| 15 #include "ui/gl/gl_surface.h" | |
| 16 #include "ui/ozone/public/ozone_platform.h" | |
| 17 #include "ui/ozone/public/surface_factory_ozone.h" | |
| 18 #include "ui/ozone/public/surface_ozone_canvas.h" | |
| 19 #include "ui/ozone/public/ui_thread_gpu.h" | |
| 20 #include "ui/platform_window/platform_window.h" | |
| 21 #include "ui/platform_window/platform_window_delegate.h" | |
| 22 | |
| 23 const int kTestWindowWidth = 800; | |
| 24 const int kTestWindowHeight = 600; | |
| 25 | |
| 26 const int kFrameDelayMilliseconds = 16; | |
| 27 | |
| 28 const int kAnimationSteps = 240; | |
| 29 | |
| 30 const char kDisableGpu[] = "disable-gpu"; | |
| 31 | |
| 32 class DemoWindow : public ui::PlatformWindowDelegate { | |
| 33 public: | |
| 34 DemoWindow() : widget_(gfx::kNullAcceleratedWidget), iteration_(0) { | |
| 35 platform_window_ = ui::OzonePlatform::GetInstance()->CreatePlatformWindow( | |
| 36 this, gfx::Rect(kTestWindowWidth, kTestWindowHeight)); | |
| 37 } | |
| 38 virtual ~DemoWindow() {} | |
| 39 | |
| 40 gfx::AcceleratedWidget GetAcceleratedWidget() { | |
| 41 // TODO(spang): We should start rendering asynchronously. | |
| 42 DCHECK_NE(widget_, gfx::kNullAcceleratedWidget) | |
| 43 << "Widget not available synchronously"; | |
| 44 return widget_; | |
| 45 } | |
| 46 | |
| 47 gfx::Size GetSize() { return platform_window_->GetBounds().size(); } | |
| 48 | |
| 49 void Start() { | |
| 50 if (!CommandLine::ForCurrentProcess()->HasSwitch(kDisableGpu) && | |
| 51 gfx::GLSurface::InitializeOneOff() && StartInProcessGpu() && | |
| 52 InitializeGLSurface()) { | |
| 53 StartAnimationGL(); | |
| 54 } else if (InitializeSoftwareSurface()) { | |
| 55 StartAnimationSoftware(); | |
| 56 } else { | |
| 57 LOG(ERROR) << "Failed to create drawing surface"; | |
| 58 Quit(); | |
| 59 } | |
| 60 } | |
| 61 | |
| 62 void Quit() { | |
| 63 StopAnimation(); | |
| 64 base::MessageLoop::current()->PostTask( | |
| 65 FROM_HERE, base::Bind(&base::DeletePointer<DemoWindow>, this)); | |
| 66 } | |
| 67 | |
| 68 // PlatformWindowDelegate: | |
| 69 virtual void OnBoundsChanged(const gfx::Rect& new_bounds) override {} | |
| 70 virtual void OnDamageRect(const gfx::Rect& damaged_region) override {} | |
| 71 virtual void DispatchEvent(ui::Event* event) override {} | |
| 72 virtual void OnCloseRequest() override { | |
| 73 Quit(); | |
| 74 } | |
| 75 virtual void OnClosed() override {} | |
| 76 virtual void OnWindowStateChanged( | |
| 77 ui::PlatformWindowState new_state) override {} | |
| 78 virtual void OnLostCapture() override {} | |
| 79 virtual void OnAcceleratedWidgetAvailable( | |
| 80 gfx::AcceleratedWidget widget) override { | |
| 81 DCHECK_NE(widget, gfx::kNullAcceleratedWidget); | |
| 82 widget_ = widget; | |
| 83 } | |
| 84 virtual void OnActivationChanged(bool active) override {} | |
| 85 | |
| 86 private: | |
| 87 bool InitializeGLSurface() { | |
| 88 surface_ = gfx::GLSurface::CreateViewGLSurface(GetAcceleratedWidget()); | |
| 89 if (!surface_.get()) { | |
| 90 LOG(ERROR) << "Failed to create GL surface"; | |
| 91 return false; | |
| 92 } | |
| 93 | |
| 94 context_ = gfx::GLContext::CreateGLContext( | |
| 95 NULL, surface_.get(), gfx::PreferIntegratedGpu); | |
| 96 if (!context_.get()) { | |
| 97 LOG(ERROR) << "Failed to create GL context"; | |
| 98 surface_ = NULL; | |
| 99 return false; | |
| 100 } | |
| 101 | |
| 102 surface_->Resize(GetSize()); | |
| 103 | |
| 104 if (!context_->MakeCurrent(surface_.get())) { | |
| 105 LOG(ERROR) << "Failed to make GL context current"; | |
| 106 surface_ = NULL; | |
| 107 context_ = NULL; | |
| 108 return false; | |
| 109 } | |
| 110 | |
| 111 return true; | |
| 112 } | |
| 113 | |
| 114 bool InitializeSoftwareSurface() { | |
| 115 software_surface_ = | |
| 116 ui::SurfaceFactoryOzone::GetInstance()->CreateCanvasForWidget( | |
| 117 GetAcceleratedWidget()); | |
| 118 if (!software_surface_) { | |
| 119 LOG(ERROR) << "Failed to create software surface"; | |
| 120 return false; | |
| 121 } | |
| 122 | |
| 123 software_surface_->ResizeCanvas(GetSize()); | |
| 124 return true; | |
| 125 } | |
| 126 | |
| 127 void StartAnimationGL() { | |
| 128 timer_.Start(FROM_HERE, | |
| 129 base::TimeDelta::FromMicroseconds(kFrameDelayMilliseconds), | |
| 130 this, | |
| 131 &DemoWindow::RenderFrameGL); | |
| 132 } | |
| 133 | |
| 134 void StartAnimationSoftware() { | |
| 135 timer_.Start(FROM_HERE, | |
| 136 base::TimeDelta::FromMicroseconds(kFrameDelayMilliseconds), | |
| 137 this, | |
| 138 &DemoWindow::RenderFrameSoftware); | |
| 139 } | |
| 140 | |
| 141 void StopAnimation() { timer_.Stop(); } | |
| 142 | |
| 143 float NextFraction() { | |
| 144 float fraction = (sinf(iteration_ * 2 * M_PI / kAnimationSteps) + 1) / 2; | |
| 145 | |
| 146 iteration_++; | |
| 147 iteration_ %= kAnimationSteps; | |
| 148 | |
| 149 return fraction; | |
| 150 } | |
| 151 | |
| 152 void RenderFrameGL() { | |
| 153 float fraction = NextFraction(); | |
| 154 gfx::Size window_size = GetSize(); | |
| 155 | |
| 156 glViewport(0, 0, window_size.width(), window_size.height()); | |
| 157 glClearColor(1 - fraction, fraction, 0.0, 1.0); | |
| 158 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); | |
| 159 | |
| 160 if (!surface_->SwapBuffers()) | |
| 161 LOG(FATAL) << "Failed to swap buffers"; | |
| 162 } | |
| 163 | |
| 164 void RenderFrameSoftware() { | |
| 165 float fraction = NextFraction(); | |
| 166 gfx::Size window_size = GetSize(); | |
| 167 | |
| 168 skia::RefPtr<SkCanvas> canvas = software_surface_->GetCanvas(); | |
| 169 | |
| 170 SkColor color = | |
| 171 SkColorSetARGB(0xff, 0, 0xff * fraction, 0xff * (1 - fraction)); | |
| 172 | |
| 173 canvas->clear(color); | |
| 174 | |
| 175 software_surface_->PresentCanvas(gfx::Rect(window_size)); | |
| 176 } | |
| 177 | |
| 178 bool StartInProcessGpu() { return ui_thread_gpu_.Initialize(); } | |
| 179 | |
| 180 // Timer for animation. | |
| 181 base::RepeatingTimer<DemoWindow> timer_; | |
| 182 | |
| 183 // Bits for GL rendering. | |
| 184 scoped_refptr<gfx::GLSurface> surface_; | |
| 185 scoped_refptr<gfx::GLContext> context_; | |
| 186 | |
| 187 // Bits for software rendeirng. | |
| 188 scoped_ptr<ui::SurfaceOzoneCanvas> software_surface_; | |
| 189 | |
| 190 // Window-related state. | |
| 191 scoped_ptr<ui::PlatformWindow> platform_window_; | |
| 192 gfx::AcceleratedWidget widget_; | |
| 193 | |
| 194 // Helper for applications that do GL on main thread. | |
| 195 ui::UiThreadGpu ui_thread_gpu_; | |
| 196 | |
| 197 // Animation state. | |
| 198 int iteration_; | |
| 199 | |
| 200 DISALLOW_COPY_AND_ASSIGN(DemoWindow); | |
| 201 }; | |
| 202 | |
| 203 int main(int argc, char** argv) { | |
| 204 CommandLine::Init(argc, argv); | |
| 205 base::AtExitManager exit_manager; | |
| 206 | |
| 207 // Build UI thread message loop. This is used by platform | |
| 208 // implementations for event polling & running background tasks. | |
| 209 base::MessageLoopForUI message_loop; | |
| 210 | |
| 211 ui::OzonePlatform::InitializeForUI(); | |
| 212 | |
| 213 DemoWindow* window = new DemoWindow; | |
| 214 window->Start(); | |
| 215 | |
| 216 // Run the message loop until there's nothing left to do. | |
| 217 // TODO(spang): Should we use QuitClosure instead? | |
| 218 base::RunLoop run_loop; | |
| 219 run_loop.RunUntilIdle(); | |
| 220 | |
| 221 return 0; | |
| 222 } | |
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