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| 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 "ui/gfx/surface/accelerated_surface_win.h" | |
| 6 | |
| 7 #include <windows.h> | |
| 8 #include <algorithm> | |
| 9 | |
| 10 #include "base/bind.h" | |
| 11 #include "base/bind_helpers.h" | |
| 12 #include "base/callback.h" | |
| 13 #include "base/command_line.h" | |
| 14 #include "base/string_number_conversions.h" | |
| 15 #include "base/time.h" | |
| 16 #include "base/debug/trace_event.h" | |
| 17 #include "base/file_path.h" | |
| 18 #include "base/lazy_instance.h" | |
| 19 #include "base/memory/scoped_ptr.h" | |
| 20 #include "base/scoped_native_library.h" | |
| 21 #include "base/stringprintf.h" | |
| 22 #include "base/synchronization/waitable_event.h" | |
| 23 #include "base/threading/thread.h" | |
| 24 #include "base/threading/thread_restrictions.h" | |
| 25 #include "base/tracked_objects.h" | |
| 26 #include "base/win/wrapped_window_proc.h" | |
| 27 #include "ui/base/win/hwnd_util.h" | |
| 28 #include "ui/gfx/gl/gl_switches.h" | |
| 29 | |
| 30 namespace { | |
| 31 | |
| 32 typedef HRESULT (WINAPI *Direct3DCreate9ExFunc)(UINT sdk_version, | |
| 33 IDirect3D9Ex **d3d); | |
| 34 | |
| 35 const wchar_t kD3D9ModuleName[] = L"d3d9.dll"; | |
| 36 const char kCreate3D9DeviceExName[] = "Direct3DCreate9Ex"; | |
| 37 | |
| 38 UINT GetPresentationInterval() { | |
| 39 if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kDisableGpuVsync)) | |
| 40 return D3DPRESENT_INTERVAL_IMMEDIATE; | |
| 41 else | |
| 42 return D3DPRESENT_INTERVAL_ONE; | |
| 43 } | |
| 44 | |
| 45 // Calculate the number necessary to transform |source_size| into |dest_size| | |
| 46 // by repeating downsampling of the image of |source_size| by a factor no more | |
| 47 // than 2. | |
| 48 int GetResampleCount(const gfx::Size& source_size, const gfx::Size& dest_size) { | |
| 49 int width_count = 0; | |
| 50 int width = source_size.width(); | |
| 51 while (width > dest_size.width()) { | |
| 52 ++width_count; | |
| 53 width >>= 1; | |
| 54 } | |
| 55 int height_count = 0; | |
| 56 int height = source_size.height(); | |
| 57 while (height > dest_size.height()) { | |
| 58 ++height_count; | |
| 59 height >>= 1; | |
| 60 } | |
| 61 return std::max(width_count, height_count); | |
| 62 } | |
| 63 | |
| 64 // Returns half the size of |size| no smaller than |min_size|. | |
| 65 gfx::Size GetHalfSizeNoLessThan(const gfx::Size& size, | |
| 66 const gfx::Size& min_size) { | |
| 67 return gfx::Size(std::max(min_size.width(), size.width() / 2), | |
| 68 std::max(min_size.height(), size.height() / 2)); | |
| 69 } | |
| 70 | |
| 71 bool CreateTemporarySurface(IDirect3DDevice9* device, | |
| 72 const gfx::Size& size, | |
| 73 IDirect3DSurface9** surface) { | |
| 74 HRESULT hr = device->CreateRenderTarget( | |
| 75 size.width(), | |
| 76 size.height(), | |
| 77 D3DFMT_A8R8G8B8, | |
| 78 D3DMULTISAMPLE_NONE, | |
| 79 0, | |
| 80 TRUE, | |
| 81 surface, | |
| 82 NULL); | |
| 83 return SUCCEEDED(hr); | |
| 84 } | |
| 85 | |
| 86 } // namespace anonymous | |
| 87 | |
| 88 // A PresentThread is a thread that is dedicated to presenting surfaces to a | |
| 89 // window. It owns a Direct3D device and a Direct3D query for this purpose. | |
| 90 class PresentThread : public base::Thread, | |
| 91 public base::RefCountedThreadSafe<PresentThread> { | |
| 92 public: | |
| 93 explicit PresentThread(const char* name); | |
| 94 | |
| 95 IDirect3DDevice9Ex* device() { return device_.get(); } | |
| 96 IDirect3DQuery9* query() { return query_.get(); } | |
| 97 | |
| 98 void InitDevice(); | |
| 99 void ResetDevice(); | |
| 100 | |
| 101 protected: | |
| 102 virtual void CleanUp(); | |
| 103 | |
| 104 private: | |
| 105 friend class base::RefCountedThreadSafe<PresentThread>; | |
| 106 | |
| 107 ~PresentThread(); | |
| 108 | |
| 109 base::ScopedNativeLibrary d3d_module_; | |
| 110 base::win::ScopedComPtr<IDirect3DDevice9Ex> device_; | |
| 111 | |
| 112 // This query is used to wait until a certain amount of progress has been | |
| 113 // made by the GPU and it is safe for the producer to modify its shared | |
| 114 // texture again. | |
| 115 base::win::ScopedComPtr<IDirect3DQuery9> query_; | |
| 116 | |
| 117 DISALLOW_COPY_AND_ASSIGN(PresentThread); | |
| 118 }; | |
| 119 | |
| 120 // There is a fixed sized pool of PresentThreads and therefore the maximum | |
| 121 // number of Direct3D devices owned by those threads is bounded. | |
| 122 class PresentThreadPool { | |
| 123 public: | |
| 124 static const int kNumPresentThreads = 4; | |
| 125 | |
| 126 PresentThreadPool(); | |
| 127 PresentThread* NextThread(); | |
| 128 | |
| 129 private: | |
| 130 int next_thread_; | |
| 131 scoped_refptr<PresentThread> present_threads_[kNumPresentThreads]; | |
| 132 | |
| 133 DISALLOW_COPY_AND_ASSIGN(PresentThreadPool); | |
| 134 }; | |
| 135 | |
| 136 // A thread safe map of presenters by surface ID that returns presenters via | |
| 137 // a scoped_refptr to keep them alive while they are referenced. | |
| 138 class AcceleratedPresenterMap { | |
| 139 public: | |
| 140 AcceleratedPresenterMap(); | |
| 141 scoped_refptr<AcceleratedPresenter> CreatePresenter(gfx::NativeWindow window); | |
| 142 void RemovePresenter(const scoped_refptr<AcceleratedPresenter>& presenter); | |
| 143 scoped_refptr<AcceleratedPresenter> GetPresenter(gfx::NativeWindow window); | |
| 144 private: | |
| 145 base::Lock lock_; | |
| 146 typedef std::map<gfx::NativeWindow, AcceleratedPresenter*> PresenterMap; | |
| 147 PresenterMap presenters_; | |
| 148 DISALLOW_COPY_AND_ASSIGN(AcceleratedPresenterMap); | |
| 149 }; | |
| 150 | |
| 151 base::LazyInstance<PresentThreadPool> | |
| 152 g_present_thread_pool = LAZY_INSTANCE_INITIALIZER; | |
| 153 | |
| 154 base::LazyInstance<AcceleratedPresenterMap> | |
| 155 g_accelerated_presenter_map = LAZY_INSTANCE_INITIALIZER; | |
| 156 | |
| 157 PresentThread::PresentThread(const char* name) : base::Thread(name) { | |
| 158 } | |
| 159 | |
| 160 void PresentThread::InitDevice() { | |
| 161 if (device_) | |
| 162 return; | |
| 163 | |
| 164 TRACE_EVENT0("surface", "PresentThread::Init"); | |
| 165 d3d_module_.Reset(base::LoadNativeLibrary(FilePath(kD3D9ModuleName), NULL)); | |
| 166 ResetDevice(); | |
| 167 } | |
| 168 | |
| 169 void PresentThread::ResetDevice() { | |
| 170 TRACE_EVENT0("surface", "PresentThread::ResetDevice"); | |
| 171 | |
| 172 // This will crash some Intel drivers but we can't render anything without | |
| 173 // reseting the device, which would be disappointing. | |
| 174 query_ = NULL; | |
| 175 device_ = NULL; | |
| 176 | |
| 177 Direct3DCreate9ExFunc create_func = reinterpret_cast<Direct3DCreate9ExFunc>( | |
| 178 d3d_module_.GetFunctionPointer(kCreate3D9DeviceExName)); | |
| 179 if (!create_func) | |
| 180 return; | |
| 181 | |
| 182 base::win::ScopedComPtr<IDirect3D9Ex> d3d; | |
| 183 HRESULT hr = create_func(D3D_SDK_VERSION, d3d.Receive()); | |
| 184 if (FAILED(hr)) | |
| 185 return; | |
| 186 | |
| 187 // Any old window will do to create the device. In practice the window to | |
| 188 // present to is an argument to IDirect3DDevice9::Present. | |
| 189 HWND window = GetShellWindow(); | |
| 190 | |
| 191 D3DPRESENT_PARAMETERS parameters = { 0 }; | |
| 192 parameters.BackBufferWidth = 1; | |
| 193 parameters.BackBufferHeight = 1; | |
| 194 parameters.BackBufferCount = 1; | |
| 195 parameters.BackBufferFormat = D3DFMT_A8R8G8B8; | |
| 196 parameters.hDeviceWindow = window; | |
| 197 parameters.Windowed = TRUE; | |
| 198 parameters.Flags = 0; | |
| 199 parameters.PresentationInterval = GetPresentationInterval(); | |
| 200 parameters.SwapEffect = D3DSWAPEFFECT_COPY; | |
| 201 | |
| 202 hr = d3d->CreateDeviceEx( | |
| 203 D3DADAPTER_DEFAULT, | |
| 204 D3DDEVTYPE_HAL, | |
| 205 window, | |
| 206 D3DCREATE_FPU_PRESERVE | D3DCREATE_SOFTWARE_VERTEXPROCESSING | | |
| 207 D3DCREATE_DISABLE_PSGP_THREADING | D3DCREATE_MULTITHREADED, | |
| 208 ¶meters, | |
| 209 NULL, | |
| 210 device_.Receive()); | |
| 211 if (FAILED(hr)) | |
| 212 return; | |
| 213 | |
| 214 hr = device_->CreateQuery(D3DQUERYTYPE_EVENT, query_.Receive()); | |
| 215 if (FAILED(hr)) | |
| 216 device_ = NULL; | |
| 217 } | |
| 218 | |
| 219 void PresentThread::CleanUp() { | |
| 220 // The D3D device and query are leaked because destroying the associated D3D | |
| 221 // query crashes some Intel drivers. | |
| 222 device_.Detach(); | |
| 223 query_.Detach(); | |
| 224 } | |
| 225 | |
| 226 PresentThread::~PresentThread() { | |
| 227 Stop(); | |
| 228 } | |
| 229 | |
| 230 PresentThreadPool::PresentThreadPool() : next_thread_(0) { | |
| 231 // Do this in the constructor so present_threads_ is initialized before any | |
| 232 // other thread sees it. See LazyInstance documentation. | |
| 233 for (int i = 0; i < kNumPresentThreads; ++i) { | |
| 234 present_threads_[i] = new PresentThread( | |
| 235 base::StringPrintf("PresentThread #%d", i).c_str()); | |
| 236 present_threads_[i]->Start(); | |
| 237 } | |
| 238 } | |
| 239 | |
| 240 PresentThread* PresentThreadPool::NextThread() { | |
| 241 next_thread_ = (next_thread_ + 1) % kNumPresentThreads; | |
| 242 return present_threads_[next_thread_].get(); | |
| 243 } | |
| 244 | |
| 245 AcceleratedPresenterMap::AcceleratedPresenterMap() { | |
| 246 } | |
| 247 | |
| 248 scoped_refptr<AcceleratedPresenter> AcceleratedPresenterMap::CreatePresenter( | |
| 249 gfx::NativeWindow window) { | |
| 250 scoped_refptr<AcceleratedPresenter> presenter( | |
| 251 new AcceleratedPresenter(window)); | |
| 252 | |
| 253 base::AutoLock locked(lock_); | |
| 254 DCHECK(presenters_.find(window) == presenters_.end()); | |
| 255 presenters_[window] = presenter.get(); | |
| 256 | |
| 257 return presenter; | |
| 258 } | |
| 259 | |
| 260 void AcceleratedPresenterMap::RemovePresenter( | |
| 261 const scoped_refptr<AcceleratedPresenter>& presenter) { | |
| 262 base::AutoLock locked(lock_); | |
| 263 for (PresenterMap::iterator it = presenters_.begin(); | |
| 264 it != presenters_.end(); | |
| 265 ++it) { | |
| 266 if (it->second == presenter.get()) { | |
| 267 presenters_.erase(it); | |
| 268 return; | |
| 269 } | |
| 270 } | |
| 271 | |
| 272 NOTREACHED(); | |
| 273 } | |
| 274 | |
| 275 scoped_refptr<AcceleratedPresenter> AcceleratedPresenterMap::GetPresenter( | |
| 276 gfx::NativeWindow window) { | |
| 277 base::AutoLock locked(lock_); | |
| 278 PresenterMap::iterator it = presenters_.find(window); | |
| 279 if (it == presenters_.end()) | |
| 280 return scoped_refptr<AcceleratedPresenter>(); | |
| 281 | |
| 282 return it->second; | |
| 283 } | |
| 284 | |
| 285 AcceleratedPresenter::AcceleratedPresenter(gfx::NativeWindow window) | |
| 286 : present_thread_(g_present_thread_pool.Pointer()->NextThread()), | |
| 287 window_(window), | |
| 288 event_(false, false) { | |
| 289 } | |
| 290 | |
| 291 scoped_refptr<AcceleratedPresenter> AcceleratedPresenter::GetForWindow( | |
| 292 gfx::NativeWindow window) { | |
| 293 return g_accelerated_presenter_map.Pointer()->GetPresenter(window); | |
| 294 } | |
| 295 | |
| 296 void AcceleratedPresenter::AsyncPresentAndAcknowledge( | |
| 297 const gfx::Size& size, | |
| 298 int64 surface_handle, | |
| 299 const base::Callback<void(bool)>& completion_task) { | |
| 300 if (!surface_handle) { | |
| 301 completion_task.Run(true); | |
| 302 return; | |
| 303 } | |
| 304 | |
| 305 present_thread_->message_loop()->PostTask( | |
| 306 FROM_HERE, | |
| 307 base::Bind(&AcceleratedPresenter::DoPresentAndAcknowledge, | |
| 308 this, | |
| 309 size, | |
| 310 surface_handle, | |
| 311 completion_task)); | |
| 312 } | |
| 313 | |
| 314 bool AcceleratedPresenter::Present() { | |
| 315 TRACE_EVENT0("surface", "Present"); | |
| 316 | |
| 317 bool result; | |
| 318 | |
| 319 present_thread_->message_loop()->PostTask( | |
| 320 FROM_HERE, | |
| 321 base::Bind(&AcceleratedPresenter::DoPresent, | |
| 322 this, | |
| 323 &result)); | |
| 324 // http://crbug.com/125391 | |
| 325 base::ThreadRestrictions::ScopedAllowWait allow_wait; | |
| 326 event_.Wait(); | |
| 327 return result; | |
| 328 } | |
| 329 | |
| 330 void AcceleratedPresenter::DoPresent(bool* result) | |
| 331 { | |
| 332 *result = DoRealPresent(); | |
| 333 event_.Signal(); | |
| 334 } | |
| 335 | |
| 336 bool AcceleratedPresenter::DoRealPresent() | |
| 337 { | |
| 338 TRACE_EVENT0("surface", "DoRealPresent"); | |
| 339 HRESULT hr; | |
| 340 | |
| 341 base::AutoLock locked(lock_); | |
| 342 | |
| 343 // Signal the caller to recomposite if the presenter has been suspended or no | |
| 344 // surface has ever been presented. | |
| 345 if (!swap_chain_) | |
| 346 return false; | |
| 347 | |
| 348 // If invalidated, do nothing. The window is gone. | |
| 349 if (!window_) | |
| 350 return true; | |
| 351 | |
| 352 RECT rect = { | |
| 353 0, 0, | |
| 354 size_.width(), size_.height() | |
| 355 }; | |
| 356 | |
| 357 { | |
| 358 TRACE_EVENT0("surface", "PresentEx"); | |
| 359 hr = swap_chain_->Present(&rect, | |
| 360 &rect, | |
| 361 window_, | |
| 362 NULL, | |
| 363 D3DPRESENT_INTERVAL_IMMEDIATE); | |
| 364 if (FAILED(hr)) | |
| 365 return false; | |
| 366 } | |
| 367 | |
| 368 return true; | |
| 369 } | |
| 370 | |
| 371 bool AcceleratedPresenter::CopyTo(const gfx::Size& size, void* buf) { | |
| 372 base::AutoLock locked(lock_); | |
| 373 | |
| 374 if (!swap_chain_) | |
| 375 return false; | |
| 376 | |
| 377 base::win::ScopedComPtr<IDirect3DSurface9> back_buffer; | |
| 378 HRESULT hr = swap_chain_->GetBackBuffer(0, | |
| 379 D3DBACKBUFFER_TYPE_MONO, | |
| 380 back_buffer.Receive()); | |
| 381 if (FAILED(hr)) | |
| 382 return false; | |
| 383 | |
| 384 D3DSURFACE_DESC desc; | |
| 385 hr = back_buffer->GetDesc(&desc); | |
| 386 if (FAILED(hr)) | |
| 387 return false; | |
| 388 | |
| 389 const gfx::Size back_buffer_size(desc.Width, desc.Height); | |
| 390 if (back_buffer_size.IsEmpty()) | |
| 391 return false; | |
| 392 | |
| 393 // Set up intermediate buffers needed for downsampling. | |
| 394 const int resample_count = | |
| 395 GetResampleCount(gfx::Size(desc.Width, desc.Height), size); | |
| 396 base::win::ScopedComPtr<IDirect3DSurface9> final_surface; | |
| 397 base::win::ScopedComPtr<IDirect3DSurface9> temp_buffer[2]; | |
| 398 if (resample_count == 0) | |
| 399 final_surface = back_buffer; | |
| 400 if (resample_count > 0) { | |
| 401 if (!CreateTemporarySurface(present_thread_->device(), | |
| 402 size, | |
| 403 final_surface.Receive())) | |
| 404 return false; | |
| 405 } | |
| 406 const gfx::Size half_size = GetHalfSizeNoLessThan(back_buffer_size, size); | |
| 407 if (resample_count > 1) { | |
| 408 if (!CreateTemporarySurface(present_thread_->device(), | |
| 409 half_size, | |
| 410 temp_buffer[0].Receive())) | |
| 411 return false; | |
| 412 } | |
| 413 if (resample_count > 2) { | |
| 414 const gfx::Size quarter_size = GetHalfSizeNoLessThan(half_size, size); | |
| 415 if (!CreateTemporarySurface(present_thread_->device(), | |
| 416 quarter_size, | |
| 417 temp_buffer[1].Receive())) | |
| 418 return false; | |
| 419 } | |
| 420 | |
| 421 // Repeat downsampling the surface until its size becomes identical to | |
| 422 // |size|. We keep the factor of each downsampling no more than two because | |
| 423 // using a factor more than two can introduce aliasing. | |
| 424 gfx::Size read_size = back_buffer_size; | |
| 425 gfx::Size write_size = half_size; | |
| 426 int read_buffer_index = 1; | |
| 427 int write_buffer_index = 0; | |
| 428 for (int i = 0; i < resample_count; ++i) { | |
| 429 base::win::ScopedComPtr<IDirect3DSurface9> read_buffer = | |
| 430 (i == 0) ? back_buffer : temp_buffer[read_buffer_index]; | |
| 431 base::win::ScopedComPtr<IDirect3DSurface9> write_buffer = | |
| 432 (i == resample_count - 1) ? final_surface : | |
| 433 temp_buffer[write_buffer_index]; | |
| 434 RECT read_rect = {0, 0, read_size.width(), read_size.height()}; | |
| 435 RECT write_rect = {0, 0, write_size.width(), write_size.height()}; | |
| 436 hr = present_thread_->device()->StretchRect(read_buffer, | |
| 437 &read_rect, | |
| 438 write_buffer, | |
| 439 &write_rect, | |
| 440 D3DTEXF_LINEAR); | |
| 441 if (FAILED(hr)) | |
| 442 return false; | |
| 443 read_size = write_size; | |
| 444 write_size = GetHalfSizeNoLessThan(write_size, size); | |
| 445 std::swap(read_buffer_index, write_buffer_index); | |
| 446 } | |
| 447 | |
| 448 DCHECK(size == read_size); | |
| 449 | |
| 450 base::win::ScopedComPtr<IDirect3DSurface9> temp_surface; | |
| 451 HANDLE handle = reinterpret_cast<HANDLE>(buf); | |
| 452 hr = present_thread_->device()->CreateOffscreenPlainSurface( | |
| 453 size.width(), | |
| 454 size.height(), | |
| 455 D3DFMT_A8R8G8B8, | |
| 456 D3DPOOL_SYSTEMMEM, | |
| 457 temp_surface.Receive(), | |
| 458 &handle); | |
| 459 if (FAILED(hr)) | |
| 460 return false; | |
| 461 | |
| 462 // Copy the data in the temporary buffer to the surface backed by |buf|. | |
| 463 hr = present_thread_->device()->GetRenderTargetData(final_surface, | |
| 464 temp_surface); | |
| 465 if (FAILED(hr)) | |
| 466 return false; | |
| 467 | |
| 468 return true; | |
| 469 } | |
| 470 | |
| 471 void AcceleratedPresenter::Suspend() { | |
| 472 present_thread_->message_loop()->PostTask( | |
| 473 FROM_HERE, | |
| 474 base::Bind(&AcceleratedPresenter::DoSuspend, | |
| 475 this)); | |
| 476 } | |
| 477 | |
| 478 void AcceleratedPresenter::ReleaseSurface() { | |
| 479 present_thread_->message_loop()->PostTask( | |
| 480 FROM_HERE, | |
| 481 base::Bind(&AcceleratedPresenter::DoReleaseSurface, | |
| 482 this)); | |
| 483 } | |
| 484 | |
| 485 void AcceleratedPresenter::Invalidate() { | |
| 486 // Make any pending or future presentation tasks do nothing. Once the last | |
| 487 // last pending task has been ignored, the reference count on the presenter | |
| 488 // will go to zero and the presenter, and potentially also the present thread | |
| 489 // it has a reference count on, will be destroyed. | |
| 490 base::AutoLock locked(lock_); | |
| 491 window_ = NULL; | |
| 492 } | |
| 493 | |
| 494 AcceleratedPresenter::~AcceleratedPresenter() { | |
| 495 } | |
| 496 | |
| 497 static base::TimeDelta GetSwapDelay() { | |
| 498 CommandLine* cmd_line = CommandLine::ForCurrentProcess(); | |
| 499 int delay = 0; | |
| 500 if (cmd_line->HasSwitch(switches::kGpuSwapDelay)) { | |
| 501 base::StringToInt(cmd_line->GetSwitchValueNative( | |
| 502 switches::kGpuSwapDelay).c_str(), &delay); | |
| 503 } | |
| 504 return base::TimeDelta::FromMilliseconds(delay); | |
| 505 } | |
| 506 | |
| 507 void AcceleratedPresenter::DoPresentAndAcknowledge( | |
| 508 const gfx::Size& size, | |
| 509 int64 surface_handle, | |
| 510 const base::Callback<void(bool)>& completion_task) { | |
| 511 TRACE_EVENT1( | |
| 512 "surface", "DoPresentAndAcknowledge", "surface_handle", surface_handle); | |
| 513 | |
| 514 HRESULT hr; | |
| 515 | |
| 516 base::AutoLock locked(lock_); | |
| 517 | |
| 518 // Initialize the device lazily since calling Direct3D can crash bots. | |
| 519 present_thread_->InitDevice(); | |
| 520 | |
| 521 if (!present_thread_->device()) { | |
| 522 if (!completion_task.is_null()) | |
| 523 completion_task.Run(false); | |
| 524 return; | |
| 525 } | |
| 526 | |
| 527 // Ensure the task is always run and while the lock is taken. | |
| 528 base::ScopedClosureRunner scoped_completion_runner(base::Bind(completion_task, | |
| 529 true)); | |
| 530 | |
| 531 // If invalidated, do nothing, the window is gone. | |
| 532 if (!window_) | |
| 533 return; | |
| 534 | |
| 535 // Round up size so the swap chain is not continuously resized with the | |
| 536 // surface, which could lead to memory fragmentation. | |
| 537 const int kRound = 64; | |
| 538 gfx::Size quantized_size( | |
| 539 std::max(1, (size.width() + kRound - 1) / kRound * kRound), | |
| 540 std::max(1, (size.height() + kRound - 1) / kRound * kRound)); | |
| 541 | |
| 542 // Ensure the swap chain exists and is the same size (rounded up) as the | |
| 543 // surface to be presented. | |
| 544 if (!swap_chain_ || size_ != quantized_size) { | |
| 545 TRACE_EVENT0("surface", "CreateAdditionalSwapChain"); | |
| 546 size_ = quantized_size; | |
| 547 | |
| 548 D3DPRESENT_PARAMETERS parameters = { 0 }; | |
| 549 parameters.BackBufferWidth = quantized_size.width(); | |
| 550 parameters.BackBufferHeight = quantized_size.height(); | |
| 551 parameters.BackBufferCount = 1; | |
| 552 parameters.BackBufferFormat = D3DFMT_A8R8G8B8; | |
| 553 parameters.hDeviceWindow = GetShellWindow(); | |
| 554 parameters.Windowed = TRUE; | |
| 555 parameters.Flags = 0; | |
| 556 parameters.PresentationInterval = GetPresentationInterval(); | |
| 557 parameters.SwapEffect = D3DSWAPEFFECT_COPY; | |
| 558 | |
| 559 swap_chain_ = NULL; | |
| 560 HRESULT hr = present_thread_->device()->CreateAdditionalSwapChain( | |
| 561 ¶meters, | |
| 562 swap_chain_.Receive()); | |
| 563 if (FAILED(hr)) | |
| 564 return; | |
| 565 } | |
| 566 | |
| 567 if (!source_texture_.get()) { | |
| 568 TRACE_EVENT0("surface", "CreateTexture"); | |
| 569 HANDLE handle = reinterpret_cast<HANDLE>(surface_handle); | |
| 570 hr = present_thread_->device()->CreateTexture(size.width(), | |
| 571 size.height(), | |
| 572 1, | |
| 573 D3DUSAGE_RENDERTARGET, | |
| 574 D3DFMT_A8R8G8B8, | |
| 575 D3DPOOL_DEFAULT, | |
| 576 source_texture_.Receive(), | |
| 577 &handle); | |
| 578 if (FAILED(hr)) | |
| 579 return; | |
| 580 } | |
| 581 | |
| 582 base::win::ScopedComPtr<IDirect3DSurface9> source_surface; | |
| 583 hr = source_texture_->GetSurfaceLevel(0, source_surface.Receive()); | |
| 584 if (FAILED(hr)) | |
| 585 return; | |
| 586 | |
| 587 base::win::ScopedComPtr<IDirect3DSurface9> dest_surface; | |
| 588 hr = swap_chain_->GetBackBuffer(0, | |
| 589 D3DBACKBUFFER_TYPE_MONO, | |
| 590 dest_surface.Receive()); | |
| 591 if (FAILED(hr)) | |
| 592 return; | |
| 593 | |
| 594 RECT rect = { | |
| 595 0, 0, | |
| 596 size.width(), size.height() | |
| 597 }; | |
| 598 | |
| 599 { | |
| 600 TRACE_EVENT0("surface", "StretchRect"); | |
| 601 hr = present_thread_->device()->StretchRect(source_surface, | |
| 602 &rect, | |
| 603 dest_surface, | |
| 604 &rect, | |
| 605 D3DTEXF_NONE); | |
| 606 if (FAILED(hr)) | |
| 607 return; | |
| 608 } | |
| 609 | |
| 610 hr = present_thread_->query()->Issue(D3DISSUE_END); | |
| 611 if (FAILED(hr)) | |
| 612 return; | |
| 613 | |
| 614 // Flush so the StretchRect can be processed by the GPU while the window is | |
| 615 // being resized. | |
| 616 present_thread_->query()->GetData(NULL, 0, D3DGETDATA_FLUSH); | |
| 617 | |
| 618 ::SetWindowPos( | |
| 619 window_, | |
| 620 NULL, | |
| 621 0, 0, | |
| 622 size.width(), size.height(), | |
| 623 SWP_NOACTIVATE | SWP_NOCOPYBITS | SWP_NOMOVE |SWP_NOOWNERZORDER | | |
| 624 SWP_NOREDRAW | SWP_NOSENDCHANGING | SWP_NOSENDCHANGING | | |
| 625 SWP_ASYNCWINDOWPOS | SWP_NOZORDER); | |
| 626 | |
| 627 // Wait for the StretchRect to complete before notifying the GPU process | |
| 628 // that it is safe to write to its backing store again. | |
| 629 { | |
| 630 TRACE_EVENT0("surface", "spin"); | |
| 631 do { | |
| 632 hr = present_thread_->query()->GetData(NULL, 0, D3DGETDATA_FLUSH); | |
| 633 | |
| 634 if (hr == S_FALSE) | |
| 635 Sleep(1); | |
| 636 } while (hr == S_FALSE); | |
| 637 } | |
| 638 | |
| 639 static const base::TimeDelta swap_delay = GetSwapDelay(); | |
| 640 if (swap_delay.ToInternalValue()) | |
| 641 base::PlatformThread::Sleep(swap_delay); | |
| 642 | |
| 643 { | |
| 644 TRACE_EVENT0("surface", "Present"); | |
| 645 hr = swap_chain_->Present(&rect, &rect, window_, NULL, 0); | |
| 646 if (FAILED(hr) && | |
| 647 FAILED(present_thread_->device()->CheckDeviceState(window_))) { | |
| 648 present_thread_->ResetDevice(); | |
| 649 } | |
| 650 } | |
| 651 } | |
| 652 | |
| 653 void AcceleratedPresenter::DoSuspend() { | |
| 654 base::AutoLock locked(lock_); | |
| 655 swap_chain_ = NULL; | |
| 656 } | |
| 657 | |
| 658 void AcceleratedPresenter::DoReleaseSurface() { | |
| 659 base::AutoLock locked(lock_); | |
| 660 source_texture_.Release(); | |
| 661 } | |
| 662 | |
| 663 AcceleratedSurface::AcceleratedSurface(gfx::NativeWindow window) | |
| 664 : presenter_(g_accelerated_presenter_map.Pointer()->CreatePresenter( | |
| 665 window)) { | |
| 666 } | |
| 667 | |
| 668 AcceleratedSurface::~AcceleratedSurface() { | |
| 669 g_accelerated_presenter_map.Pointer()->RemovePresenter(presenter_); | |
| 670 presenter_->Invalidate(); | |
| 671 } | |
| 672 | |
| 673 bool AcceleratedSurface::Present() { | |
| 674 return presenter_->Present(); | |
| 675 } | |
| 676 | |
| 677 bool AcceleratedSurface::CopyTo(const gfx::Size& size, void* buf) { | |
| 678 return presenter_->CopyTo(size, buf); | |
| 679 } | |
| 680 | |
| 681 void AcceleratedSurface::Suspend() { | |
| 682 presenter_->Suspend(); | |
| 683 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 10351002:
ui: Move surface/ directory out of gfx/, up to ui/. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src