| OLD | NEW |
|---|
| (Empty) |
| 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 "ui/gl/gl_surface_ozone.h" | |
| 6 | |
| 7 #include <stddef.h> | |
| 8 | |
| 9 #include <vector> | |
| 10 | |
| 11 #include "base/bind.h" | |
| 12 #include "base/callback.h" | |
| 13 #include "base/location.h" | |
| 14 #include "base/logging.h" | |
| 15 #include "base/macros.h" | |
| 16 #include "base/memory/scoped_vector.h" | |
| 17 #include "base/memory/weak_ptr.h" | |
| 18 #include "base/threading/worker_pool.h" | |
| 19 #include "ui/gl/egl_util.h" | |
| 20 #include "ui/gl/gl_context.h" | |
| 21 #include "ui/gl/gl_image.h" | |
| 22 #include "ui/gl/gl_image_ozone_native_pixmap.h" | |
| 23 #include "ui/gl/gl_implementation.h" | |
| 24 #include "ui/gl/gl_surface_egl.h" | |
| 25 #include "ui/gl/gl_surface_osmesa.h" | |
| 26 #include "ui/gl/gl_surface_overlay.h" | |
| 27 #include "ui/gl/gl_surface_stub.h" | |
| 28 #include "ui/gl/scoped_binders.h" | |
| 29 #include "ui/gl/scoped_make_current.h" | |
| 30 #include "ui/ozone/public/native_pixmap.h" | |
| 31 #include "ui/ozone/public/ozone_platform.h" | |
| 32 #include "ui/ozone/public/surface_factory_ozone.h" | |
| 33 #include "ui/ozone/public/surface_ozone_egl.h" | |
| 34 | |
| 35 namespace gl { | |
| 36 | |
| 37 namespace { | |
| 38 | |
| 39 // Helper function for base::Bind to create callback to eglChooseConfig. | |
| 40 bool EglChooseConfig(EGLDisplay display, | |
| 41 const int32_t* attribs, | |
| 42 EGLConfig* configs, | |
| 43 int32_t config_size, | |
| 44 int32_t* num_configs) { | |
| 45 return eglChooseConfig(display, attribs, configs, config_size, num_configs); | |
| 46 } | |
| 47 | |
| 48 // Helper function for base::Bind to create callback to eglGetConfigAttrib. | |
| 49 bool EglGetConfigAttribute(EGLDisplay display, | |
| 50 EGLConfig config, | |
| 51 int32_t attribute, | |
| 52 int32_t* value) { | |
| 53 return eglGetConfigAttrib(display, config, attribute, value); | |
| 54 } | |
| 55 | |
| 56 // Populates EglConfigCallbacks with appropriate callbacks. | |
| 57 ui::EglConfigCallbacks GetEglConfigCallbacks(EGLDisplay display) { | |
| 58 ui::EglConfigCallbacks callbacks; | |
| 59 callbacks.choose_config = base::Bind(EglChooseConfig, display); | |
| 60 callbacks.get_config_attribute = base::Bind(EglGetConfigAttribute, display); | |
| 61 callbacks.get_last_error_string = base::Bind(&ui::GetLastEGLErrorString); | |
| 62 return callbacks; | |
| 63 } | |
| 64 | |
| 65 void WaitForFence(EGLDisplay display, EGLSyncKHR fence) { | |
| 66 eglClientWaitSyncKHR(display, fence, EGL_SYNC_FLUSH_COMMANDS_BIT_KHR, | |
| 67 EGL_FOREVER_KHR); | |
| 68 } | |
| 69 | |
| 70 // A thin wrapper around GLSurfaceEGL that owns the EGLNativeWindow. | |
| 71 class GL_EXPORT GLSurfaceOzoneEGL : public NativeViewGLSurfaceEGL { | |
| 72 public: | |
| 73 GLSurfaceOzoneEGL(std::unique_ptr<ui::SurfaceOzoneEGL> ozone_surface, | |
| 74 gfx::AcceleratedWidget widget); | |
| 75 | |
| 76 // GLSurface: | |
| 77 bool Initialize(GLSurface::Format format) override; | |
| 78 bool Resize(const gfx::Size& size, | |
| 79 float scale_factor, | |
| 80 bool has_alpha) override; | |
| 81 gfx::SwapResult SwapBuffers() override; | |
| 82 bool ScheduleOverlayPlane(int z_order, | |
| 83 gfx::OverlayTransform transform, | |
| 84 GLImage* image, | |
| 85 const gfx::Rect& bounds_rect, | |
| 86 const gfx::RectF& crop_rect) override; | |
| 87 EGLConfig GetConfig() override; | |
| 88 | |
| 89 private: | |
| 90 using NativeViewGLSurfaceEGL::Initialize; | |
| 91 | |
| 92 ~GLSurfaceOzoneEGL() override; | |
| 93 | |
| 94 bool ReinitializeNativeSurface(); | |
| 95 | |
| 96 // The native surface. Deleting this is allowed to free the EGLNativeWindow. | |
| 97 std::unique_ptr<ui::SurfaceOzoneEGL> ozone_surface_; | |
| 98 gfx::AcceleratedWidget widget_; | |
| 99 | |
| 100 DISALLOW_COPY_AND_ASSIGN(GLSurfaceOzoneEGL); | |
| 101 }; | |
| 102 | |
| 103 GLSurfaceOzoneEGL::GLSurfaceOzoneEGL( | |
| 104 std::unique_ptr<ui::SurfaceOzoneEGL> ozone_surface, | |
| 105 gfx::AcceleratedWidget widget) | |
| 106 : NativeViewGLSurfaceEGL(ozone_surface->GetNativeWindow()), | |
| 107 ozone_surface_(std::move(ozone_surface)), | |
| 108 widget_(widget) {} | |
| 109 | |
| 110 bool GLSurfaceOzoneEGL::Initialize(GLSurface::Format format) { | |
| 111 format_ = format; | |
| 112 return Initialize(ozone_surface_->CreateVSyncProvider()); | |
| 113 } | |
| 114 | |
| 115 bool GLSurfaceOzoneEGL::Resize(const gfx::Size& size, | |
| 116 float scale_factor, | |
| 117 bool has_alpha) { | |
| 118 if (!ozone_surface_->ResizeNativeWindow(size)) { | |
| 119 if (!ReinitializeNativeSurface() || | |
| 120 !ozone_surface_->ResizeNativeWindow(size)) | |
| 121 return false; | |
| 122 } | |
| 123 | |
| 124 return NativeViewGLSurfaceEGL::Resize(size, scale_factor, has_alpha); | |
| 125 } | |
| 126 | |
| 127 gfx::SwapResult GLSurfaceOzoneEGL::SwapBuffers() { | |
| 128 gfx::SwapResult result = NativeViewGLSurfaceEGL::SwapBuffers(); | |
| 129 if (result != gfx::SwapResult::SWAP_ACK) | |
| 130 return result; | |
| 131 | |
| 132 return ozone_surface_->OnSwapBuffers() ? gfx::SwapResult::SWAP_ACK | |
| 133 : gfx::SwapResult::SWAP_FAILED; | |
| 134 } | |
| 135 | |
| 136 bool GLSurfaceOzoneEGL::ScheduleOverlayPlane(int z_order, | |
| 137 gfx::OverlayTransform transform, | |
| 138 GLImage* image, | |
| 139 const gfx::Rect& bounds_rect, | |
| 140 const gfx::RectF& crop_rect) { | |
| 141 return image->ScheduleOverlayPlane(widget_, z_order, transform, bounds_rect, | |
| 142 crop_rect); | |
| 143 } | |
| 144 | |
| 145 EGLConfig GLSurfaceOzoneEGL::GetConfig() { | |
| 146 if (!config_) { | |
| 147 ui::EglConfigCallbacks callbacks = GetEglConfigCallbacks(GetDisplay()); | |
| 148 config_ = ozone_surface_->GetEGLSurfaceConfig(callbacks); | |
| 149 } | |
| 150 if (config_) | |
| 151 return config_; | |
| 152 return NativeViewGLSurfaceEGL::GetConfig(); | |
| 153 } | |
| 154 | |
| 155 GLSurfaceOzoneEGL::~GLSurfaceOzoneEGL() { | |
| 156 Destroy(); // The EGL surface must be destroyed before SurfaceOzone. | |
| 157 } | |
| 158 | |
| 159 bool GLSurfaceOzoneEGL::ReinitializeNativeSurface() { | |
| 160 std::unique_ptr<ui::ScopedMakeCurrent> scoped_make_current; | |
| 161 GLContext* current_context = GLContext::GetCurrent(); | |
| 162 bool was_current = current_context && current_context->IsCurrent(this); | |
| 163 if (was_current) { | |
| 164 scoped_make_current.reset(new ui::ScopedMakeCurrent(current_context, this)); | |
| 165 } | |
| 166 | |
| 167 Destroy(); | |
| 168 ozone_surface_ = ui::OzonePlatform::GetInstance() | |
| 169 ->GetSurfaceFactoryOzone() | |
| 170 ->CreateEGLSurfaceForWidget(widget_); | |
| 171 if (!ozone_surface_) { | |
| 172 LOG(ERROR) << "Failed to create native surface."; | |
| 173 return false; | |
| 174 } | |
| 175 | |
| 176 window_ = ozone_surface_->GetNativeWindow(); | |
| 177 if (!Initialize(format_)) { | |
| 178 LOG(ERROR) << "Failed to initialize."; | |
| 179 return false; | |
| 180 } | |
| 181 | |
| 182 return true; | |
| 183 } | |
| 184 | |
| 185 class GL_EXPORT GLSurfaceOzoneSurfaceless : public SurfacelessEGL { | |
| 186 public: | |
| 187 GLSurfaceOzoneSurfaceless(std::unique_ptr<ui::SurfaceOzoneEGL> ozone_surface, | |
| 188 gfx::AcceleratedWidget widget); | |
| 189 | |
| 190 // GLSurface: | |
| 191 bool Initialize(GLSurface::Format format) override; | |
| 192 bool Resize(const gfx::Size& size, | |
| 193 float scale_factor, | |
| 194 bool has_alpha) override; | |
| 195 gfx::SwapResult SwapBuffers() override; | |
| 196 bool ScheduleOverlayPlane(int z_order, | |
| 197 gfx::OverlayTransform transform, | |
| 198 GLImage* image, | |
| 199 const gfx::Rect& bounds_rect, | |
| 200 const gfx::RectF& crop_rect) override; | |
| 201 bool IsOffscreen() override; | |
| 202 gfx::VSyncProvider* GetVSyncProvider() override; | |
| 203 bool SupportsAsyncSwap() override; | |
| 204 bool SupportsPostSubBuffer() override; | |
| 205 gfx::SwapResult PostSubBuffer(int x, int y, int width, int height) override; | |
| 206 void SwapBuffersAsync(const SwapCompletionCallback& callback) override; | |
| 207 void PostSubBufferAsync(int x, | |
| 208 int y, | |
| 209 int width, | |
| 210 int height, | |
| 211 const SwapCompletionCallback& callback) override; | |
| 212 EGLConfig GetConfig() override; | |
| 213 | |
| 214 protected: | |
| 215 struct PendingFrame { | |
| 216 PendingFrame(); | |
| 217 | |
| 218 bool ScheduleOverlayPlanes(gfx::AcceleratedWidget widget); | |
| 219 | |
| 220 bool ready; | |
| 221 std::vector<GLSurfaceOverlay> overlays; | |
| 222 SwapCompletionCallback callback; | |
| 223 }; | |
| 224 | |
| 225 ~GLSurfaceOzoneSurfaceless() override; | |
| 226 | |
| 227 void SubmitFrame(); | |
| 228 | |
| 229 EGLSyncKHR InsertFence(); | |
| 230 void FenceRetired(EGLSyncKHR fence, PendingFrame* frame); | |
| 231 | |
| 232 void SwapCompleted(const SwapCompletionCallback& callback, | |
| 233 gfx::SwapResult result); | |
| 234 | |
| 235 // The native surface. Deleting this is allowed to free the EGLNativeWindow. | |
| 236 std::unique_ptr<ui::SurfaceOzoneEGL> ozone_surface_; | |
| 237 gfx::AcceleratedWidget widget_; | |
| 238 std::unique_ptr<gfx::VSyncProvider> vsync_provider_; | |
| 239 ScopedVector<PendingFrame> unsubmitted_frames_; | |
| 240 bool has_implicit_external_sync_; | |
| 241 bool last_swap_buffers_result_; | |
| 242 bool swap_buffers_pending_; | |
| 243 | |
| 244 base::WeakPtrFactory<GLSurfaceOzoneSurfaceless> weak_factory_; | |
| 245 | |
| 246 private: | |
| 247 DISALLOW_COPY_AND_ASSIGN(GLSurfaceOzoneSurfaceless); | |
| 248 }; | |
| 249 | |
| 250 GLSurfaceOzoneSurfaceless::PendingFrame::PendingFrame() : ready(false) {} | |
| 251 | |
| 252 bool GLSurfaceOzoneSurfaceless::PendingFrame::ScheduleOverlayPlanes( | |
| 253 gfx::AcceleratedWidget widget) { | |
| 254 for (const auto& overlay : overlays) | |
| 255 if (!overlay.ScheduleOverlayPlane(widget)) | |
| 256 return false; | |
| 257 return true; | |
| 258 } | |
| 259 | |
| 260 GLSurfaceOzoneSurfaceless::GLSurfaceOzoneSurfaceless( | |
| 261 std::unique_ptr<ui::SurfaceOzoneEGL> ozone_surface, | |
| 262 gfx::AcceleratedWidget widget) | |
| 263 : SurfacelessEGL(gfx::Size()), | |
| 264 ozone_surface_(std::move(ozone_surface)), | |
| 265 widget_(widget), | |
| 266 has_implicit_external_sync_( | |
| 267 HasEGLExtension("EGL_ARM_implicit_external_sync")), | |
| 268 last_swap_buffers_result_(true), | |
| 269 swap_buffers_pending_(false), | |
| 270 weak_factory_(this) { | |
| 271 unsubmitted_frames_.push_back(new PendingFrame()); | |
| 272 } | |
| 273 | |
| 274 bool GLSurfaceOzoneSurfaceless::Initialize(GLSurface::Format format) { | |
| 275 if (!SurfacelessEGL::Initialize(format)) | |
| 276 return false; | |
| 277 vsync_provider_ = ozone_surface_->CreateVSyncProvider(); | |
| 278 if (!vsync_provider_) | |
| 279 return false; | |
| 280 return true; | |
| 281 } | |
| 282 | |
| 283 bool GLSurfaceOzoneSurfaceless::Resize(const gfx::Size& size, | |
| 284 float scale_factor, | |
| 285 bool has_alpha) { | |
| 286 if (!ozone_surface_->ResizeNativeWindow(size)) | |
| 287 return false; | |
| 288 | |
| 289 return SurfacelessEGL::Resize(size, scale_factor, has_alpha); | |
| 290 } | |
| 291 | |
| 292 gfx::SwapResult GLSurfaceOzoneSurfaceless::SwapBuffers() { | |
| 293 glFlush(); | |
| 294 // TODO: the following should be replaced by a per surface flush as it gets | |
| 295 // implemented in GL drivers. | |
| 296 if (has_implicit_external_sync_) { | |
| 297 EGLSyncKHR fence = InsertFence(); | |
| 298 if (!fence) | |
| 299 return gfx::SwapResult::SWAP_FAILED; | |
| 300 | |
| 301 EGLDisplay display = GetDisplay(); | |
| 302 WaitForFence(display, fence); | |
| 303 eglDestroySyncKHR(display, fence); | |
| 304 } | |
| 305 | |
| 306 unsubmitted_frames_.back()->ScheduleOverlayPlanes(widget_); | |
| 307 unsubmitted_frames_.back()->overlays.clear(); | |
| 308 | |
| 309 if (ozone_surface_->IsUniversalDisplayLinkDevice()) | |
| 310 glFinish(); | |
| 311 | |
| 312 return ozone_surface_->OnSwapBuffers() ? gfx::SwapResult::SWAP_ACK | |
| 313 : gfx::SwapResult::SWAP_FAILED; | |
| 314 } | |
| 315 | |
| 316 bool GLSurfaceOzoneSurfaceless::ScheduleOverlayPlane( | |
| 317 int z_order, | |
| 318 gfx::OverlayTransform transform, | |
| 319 GLImage* image, | |
| 320 const gfx::Rect& bounds_rect, | |
| 321 const gfx::RectF& crop_rect) { | |
| 322 unsubmitted_frames_.back()->overlays.push_back( | |
| 323 GLSurfaceOverlay(z_order, transform, image, bounds_rect, crop_rect)); | |
| 324 return true; | |
| 325 } | |
| 326 | |
| 327 bool GLSurfaceOzoneSurfaceless::IsOffscreen() { | |
| 328 return false; | |
| 329 } | |
| 330 | |
| 331 gfx::VSyncProvider* GLSurfaceOzoneSurfaceless::GetVSyncProvider() { | |
| 332 return vsync_provider_.get(); | |
| 333 } | |
| 334 | |
| 335 bool GLSurfaceOzoneSurfaceless::SupportsAsyncSwap() { | |
| 336 return true; | |
| 337 } | |
| 338 | |
| 339 bool GLSurfaceOzoneSurfaceless::SupportsPostSubBuffer() { | |
| 340 return true; | |
| 341 } | |
| 342 | |
| 343 gfx::SwapResult GLSurfaceOzoneSurfaceless::PostSubBuffer(int x, | |
| 344 int y, | |
| 345 int width, | |
| 346 int height) { | |
| 347 // The actual sub buffer handling is handled at higher layers. | |
| 348 NOTREACHED(); | |
| 349 return gfx::SwapResult::SWAP_FAILED; | |
| 350 } | |
| 351 | |
| 352 void GLSurfaceOzoneSurfaceless::SwapBuffersAsync( | |
| 353 const SwapCompletionCallback& callback) { | |
| 354 // If last swap failed, don't try to schedule new ones. | |
| 355 if (!last_swap_buffers_result_) { | |
| 356 callback.Run(gfx::SwapResult::SWAP_FAILED); | |
| 357 return; | |
| 358 } | |
| 359 | |
| 360 glFlush(); | |
| 361 | |
| 362 SwapCompletionCallback surface_swap_callback = | |
| 363 base::Bind(&GLSurfaceOzoneSurfaceless::SwapCompleted, | |
| 364 weak_factory_.GetWeakPtr(), callback); | |
| 365 | |
| 366 PendingFrame* frame = unsubmitted_frames_.back(); | |
| 367 frame->callback = surface_swap_callback; | |
| 368 unsubmitted_frames_.push_back(new PendingFrame()); | |
| 369 | |
| 370 // TODO: the following should be replaced by a per surface flush as it gets | |
| 371 // implemented in GL drivers. | |
| 372 if (has_implicit_external_sync_) { | |
| 373 EGLSyncKHR fence = InsertFence(); | |
| 374 if (!fence) { | |
| 375 callback.Run(gfx::SwapResult::SWAP_FAILED); | |
| 376 return; | |
| 377 } | |
| 378 | |
| 379 base::Closure fence_wait_task = | |
| 380 base::Bind(&WaitForFence, GetDisplay(), fence); | |
| 381 | |
| 382 base::Closure fence_retired_callback = | |
| 383 base::Bind(&GLSurfaceOzoneSurfaceless::FenceRetired, | |
| 384 weak_factory_.GetWeakPtr(), fence, frame); | |
| 385 | |
| 386 base::WorkerPool::PostTaskAndReply(FROM_HERE, fence_wait_task, | |
| 387 fence_retired_callback, false); | |
| 388 return; // Defer frame submission until fence signals. | |
| 389 } | |
| 390 | |
| 391 frame->ready = true; | |
| 392 SubmitFrame(); | |
| 393 } | |
| 394 | |
| 395 void GLSurfaceOzoneSurfaceless::PostSubBufferAsync( | |
| 396 int x, | |
| 397 int y, | |
| 398 int width, | |
| 399 int height, | |
| 400 const SwapCompletionCallback& callback) { | |
| 401 // The actual sub buffer handling is handled at higher layers. | |
| 402 SwapBuffersAsync(callback); | |
| 403 } | |
| 404 | |
| 405 EGLConfig GLSurfaceOzoneSurfaceless::GetConfig() { | |
| 406 if (!config_) { | |
| 407 ui::EglConfigCallbacks callbacks = GetEglConfigCallbacks(GetDisplay()); | |
| 408 config_ = ozone_surface_->GetEGLSurfaceConfig(callbacks); | |
| 409 } | |
| 410 if (config_) | |
| 411 return config_; | |
| 412 return SurfacelessEGL::GetConfig(); | |
| 413 } | |
| 414 | |
| 415 GLSurfaceOzoneSurfaceless::~GLSurfaceOzoneSurfaceless() { | |
| 416 Destroy(); // The EGL surface must be destroyed before SurfaceOzone. | |
| 417 } | |
| 418 | |
| 419 void GLSurfaceOzoneSurfaceless::SubmitFrame() { | |
| 420 DCHECK(!unsubmitted_frames_.empty()); | |
| 421 | |
| 422 if (unsubmitted_frames_.front()->ready && !swap_buffers_pending_) { | |
| 423 std::unique_ptr<PendingFrame> frame(unsubmitted_frames_.front()); | |
| 424 unsubmitted_frames_.weak_erase(unsubmitted_frames_.begin()); | |
| 425 swap_buffers_pending_ = true; | |
| 426 | |
| 427 if (!frame->ScheduleOverlayPlanes(widget_)) { | |
| 428 // |callback| is a wrapper for SwapCompleted(). Call it to properly | |
| 429 // propagate the failed state. | |
| 430 frame->callback.Run(gfx::SwapResult::SWAP_FAILED); | |
| 431 return; | |
| 432 } | |
| 433 | |
| 434 if (ozone_surface_->IsUniversalDisplayLinkDevice()) | |
| 435 glFinish(); | |
| 436 | |
| 437 ozone_surface_->OnSwapBuffersAsync(frame->callback); | |
| 438 } | |
| 439 } | |
| 440 | |
| 441 EGLSyncKHR GLSurfaceOzoneSurfaceless::InsertFence() { | |
| 442 const EGLint attrib_list[] = {EGL_SYNC_CONDITION_KHR, | |
| 443 EGL_SYNC_PRIOR_COMMANDS_IMPLICIT_EXTERNAL_ARM, | |
| 444 EGL_NONE}; | |
| 445 return eglCreateSyncKHR(GetDisplay(), EGL_SYNC_FENCE_KHR, attrib_list); | |
| 446 } | |
| 447 | |
| 448 void GLSurfaceOzoneSurfaceless::FenceRetired(EGLSyncKHR fence, | |
| 449 PendingFrame* frame) { | |
| 450 eglDestroySyncKHR(GetDisplay(), fence); | |
| 451 frame->ready = true; | |
| 452 SubmitFrame(); | |
| 453 } | |
| 454 | |
| 455 void GLSurfaceOzoneSurfaceless::SwapCompleted( | |
| 456 const SwapCompletionCallback& callback, | |
| 457 gfx::SwapResult result) { | |
| 458 callback.Run(result); | |
| 459 swap_buffers_pending_ = false; | |
| 460 if (result == gfx::SwapResult::SWAP_FAILED) { | |
| 461 last_swap_buffers_result_ = false; | |
| 462 return; | |
| 463 } | |
| 464 | |
| 465 SubmitFrame(); | |
| 466 } | |
| 467 | |
| 468 // This provides surface-like semantics implemented through surfaceless. | |
| 469 // A framebuffer is bound automatically. | |
| 470 class GL_EXPORT GLSurfaceOzoneSurfacelessSurfaceImpl | |
| 471 : public GLSurfaceOzoneSurfaceless { | |
| 472 public: | |
| 473 GLSurfaceOzoneSurfacelessSurfaceImpl( | |
| 474 std::unique_ptr<ui::SurfaceOzoneEGL> ozone_surface, | |
| 475 gfx::AcceleratedWidget widget); | |
| 476 | |
| 477 // GLSurface: | |
| 478 unsigned int GetBackingFrameBufferObject() override; | |
| 479 bool OnMakeCurrent(GLContext* context) override; | |
| 480 bool Resize(const gfx::Size& size, | |
| 481 float scale_factor, | |
| 482 bool has_alpha) override; | |
| 483 bool SupportsPostSubBuffer() override; | |
| 484 gfx::SwapResult SwapBuffers() override; | |
| 485 void SwapBuffersAsync(const SwapCompletionCallback& callback) override; | |
| 486 void Destroy() override; | |
| 487 bool IsSurfaceless() const override; | |
| 488 | |
| 489 private: | |
| 490 ~GLSurfaceOzoneSurfacelessSurfaceImpl() override; | |
| 491 | |
| 492 void BindFramebuffer(); | |
| 493 bool CreatePixmaps(); | |
| 494 | |
| 495 scoped_refptr<GLContext> context_; | |
| 496 GLuint fbo_; | |
| 497 GLuint textures_[2]; | |
| 498 scoped_refptr<GLImage> images_[2]; | |
| 499 int current_surface_; | |
| 500 DISALLOW_COPY_AND_ASSIGN(GLSurfaceOzoneSurfacelessSurfaceImpl); | |
| 501 }; | |
| 502 | |
| 503 GLSurfaceOzoneSurfacelessSurfaceImpl::GLSurfaceOzoneSurfacelessSurfaceImpl( | |
| 504 std::unique_ptr<ui::SurfaceOzoneEGL> ozone_surface, | |
| 505 gfx::AcceleratedWidget widget) | |
| 506 : GLSurfaceOzoneSurfaceless(std::move(ozone_surface), widget), | |
| 507 context_(nullptr), | |
| 508 fbo_(0), | |
| 509 current_surface_(0) { | |
| 510 for (auto& texture : textures_) | |
| 511 texture = 0; | |
| 512 } | |
| 513 | |
| 514 unsigned int | |
| 515 GLSurfaceOzoneSurfacelessSurfaceImpl::GetBackingFrameBufferObject() { | |
| 516 return fbo_; | |
| 517 } | |
| 518 | |
| 519 bool GLSurfaceOzoneSurfacelessSurfaceImpl::OnMakeCurrent(GLContext* context) { | |
| 520 DCHECK(!context_ || context == context_); | |
| 521 context_ = context; | |
| 522 if (!fbo_) { | |
| 523 glGenFramebuffersEXT(1, &fbo_); | |
| 524 if (!fbo_) | |
| 525 return false; | |
| 526 glGenTextures(arraysize(textures_), textures_); | |
| 527 if (!CreatePixmaps()) | |
| 528 return false; | |
| 529 } | |
| 530 BindFramebuffer(); | |
| 531 glBindFramebufferEXT(GL_FRAMEBUFFER, fbo_); | |
| 532 return SurfacelessEGL::OnMakeCurrent(context); | |
| 533 } | |
| 534 | |
| 535 bool GLSurfaceOzoneSurfacelessSurfaceImpl::Resize(const gfx::Size& size, | |
| 536 float scale_factor, | |
| 537 bool has_alpha) { | |
| 538 if (size == GetSize()) | |
| 539 return true; | |
| 540 // Alpha value isn't actually used in allocating buffers yet, so always use | |
| 541 // true instead. | |
| 542 return GLSurfaceOzoneSurfaceless::Resize(size, scale_factor, true) && | |
| 543 CreatePixmaps(); | |
| 544 } | |
| 545 | |
| 546 bool GLSurfaceOzoneSurfacelessSurfaceImpl::SupportsPostSubBuffer() { | |
| 547 return false; | |
| 548 } | |
| 549 | |
| 550 gfx::SwapResult GLSurfaceOzoneSurfacelessSurfaceImpl::SwapBuffers() { | |
| 551 if (!images_[current_surface_]->ScheduleOverlayPlane( | |
| 552 widget_, 0, gfx::OverlayTransform::OVERLAY_TRANSFORM_NONE, | |
| 553 gfx::Rect(GetSize()), gfx::RectF(1, 1))) | |
| 554 return gfx::SwapResult::SWAP_FAILED; | |
| 555 gfx::SwapResult result = GLSurfaceOzoneSurfaceless::SwapBuffers(); | |
| 556 if (result != gfx::SwapResult::SWAP_ACK) | |
| 557 return result; | |
| 558 current_surface_ ^= 1; | |
| 559 BindFramebuffer(); | |
| 560 return gfx::SwapResult::SWAP_ACK; | |
| 561 } | |
| 562 | |
| 563 void GLSurfaceOzoneSurfacelessSurfaceImpl::SwapBuffersAsync( | |
| 564 const SwapCompletionCallback& callback) { | |
| 565 if (!images_[current_surface_]->ScheduleOverlayPlane( | |
| 566 widget_, 0, gfx::OverlayTransform::OVERLAY_TRANSFORM_NONE, | |
| 567 gfx::Rect(GetSize()), gfx::RectF(1, 1))) { | |
| 568 callback.Run(gfx::SwapResult::SWAP_FAILED); | |
| 569 return; | |
| 570 } | |
| 571 GLSurfaceOzoneSurfaceless::SwapBuffersAsync(callback); | |
| 572 current_surface_ ^= 1; | |
| 573 BindFramebuffer(); | |
| 574 } | |
| 575 | |
| 576 void GLSurfaceOzoneSurfacelessSurfaceImpl::Destroy() { | |
| 577 if (!context_) | |
| 578 return; | |
| 579 scoped_refptr<GLContext> previous_context = GLContext::GetCurrent(); | |
| 580 scoped_refptr<GLSurface> previous_surface; | |
| 581 | |
| 582 bool was_current = previous_context && previous_context->IsCurrent(nullptr) && | |
| 583 GLSurface::GetCurrent() == this; | |
| 584 if (!was_current) { | |
| 585 // Only take a reference to previous surface if it's not |this| | |
| 586 // because otherwise we can take a self reference from our own dtor. | |
| 587 previous_surface = GLSurface::GetCurrent(); | |
| 588 context_->MakeCurrent(this); | |
| 589 } | |
| 590 | |
| 591 glBindFramebufferEXT(GL_FRAMEBUFFER, 0); | |
| 592 if (fbo_) { | |
| 593 glDeleteTextures(arraysize(textures_), textures_); | |
| 594 for (auto& texture : textures_) | |
| 595 texture = 0; | |
| 596 glDeleteFramebuffersEXT(1, &fbo_); | |
| 597 fbo_ = 0; | |
| 598 } | |
| 599 for (auto image : images_) { | |
| 600 if (image) | |
| 601 image->Destroy(true); | |
| 602 } | |
| 603 | |
| 604 if (!was_current) { | |
| 605 if (previous_context) { | |
| 606 previous_context->MakeCurrent(previous_surface.get()); | |
| 607 } else { | |
| 608 context_->ReleaseCurrent(this); | |
| 609 } | |
| 610 } | |
| 611 } | |
| 612 | |
| 613 bool GLSurfaceOzoneSurfacelessSurfaceImpl::IsSurfaceless() const { | |
| 614 return false; | |
| 615 } | |
| 616 | |
| 617 GLSurfaceOzoneSurfacelessSurfaceImpl::~GLSurfaceOzoneSurfacelessSurfaceImpl() { | |
| 618 Destroy(); | |
| 619 } | |
| 620 | |
| 621 void GLSurfaceOzoneSurfacelessSurfaceImpl::BindFramebuffer() { | |
| 622 ScopedFrameBufferBinder fb(fbo_); | |
| 623 glFramebufferTexture2DEXT(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, | |
| 624 textures_[current_surface_], 0); | |
| 625 } | |
| 626 | |
| 627 bool GLSurfaceOzoneSurfacelessSurfaceImpl::CreatePixmaps() { | |
| 628 if (!fbo_) | |
| 629 return true; | |
| 630 for (size_t i = 0; i < arraysize(textures_); i++) { | |
| 631 scoped_refptr<ui::NativePixmap> pixmap = | |
| 632 ui::OzonePlatform::GetInstance() | |
| 633 ->GetSurfaceFactoryOzone() | |
| 634 ->CreateNativePixmap(widget_, GetSize(), | |
| 635 gfx::BufferFormat::BGRA_8888, | |
| 636 gfx::BufferUsage::SCANOUT); | |
| 637 if (!pixmap) | |
| 638 return false; | |
| 639 scoped_refptr<GLImageOzoneNativePixmap> image = | |
| 640 new GLImageOzoneNativePixmap(GetSize(), GL_BGRA_EXT); | |
| 641 if (!image->Initialize(pixmap.get(), gfx::BufferFormat::BGRA_8888)) | |
| 642 return false; | |
| 643 // Image must have Destroy() called before destruction. | |
| 644 if (images_[i]) | |
| 645 images_[i]->Destroy(true); | |
| 646 images_[i] = image; | |
| 647 // Bind image to texture. | |
| 648 ScopedTextureBinder binder(GL_TEXTURE_2D, textures_[i]); | |
| 649 if (!images_[i]->BindTexImage(GL_TEXTURE_2D)) | |
| 650 return false; | |
| 651 } | |
| 652 return true; | |
| 653 } | |
| 654 | |
| 655 } // namespace | |
| 656 | |
| 657 scoped_refptr<GLSurface> CreateViewGLSurfaceOzone( | |
| 658 gfx::AcceleratedWidget window) { | |
| 659 std::unique_ptr<ui::SurfaceOzoneEGL> surface_ozone = | |
| 660 ui::OzonePlatform::GetInstance() | |
| 661 ->GetSurfaceFactoryOzone() | |
| 662 ->CreateEGLSurfaceForWidget(window); | |
| 663 if (!surface_ozone) | |
| 664 return nullptr; | |
| 665 return InitializeGLSurface( | |
| 666 new GLSurfaceOzoneEGL(std::move(surface_ozone), window)); | |
| 667 } | |
| 668 | |
| 669 scoped_refptr<GLSurface> CreateViewGLSurfaceOzoneSurfaceless( | |
| 670 gfx::AcceleratedWidget window) { | |
| 671 std::unique_ptr<ui::SurfaceOzoneEGL> surface_ozone = | |
| 672 ui::OzonePlatform::GetInstance() | |
| 673 ->GetSurfaceFactoryOzone() | |
| 674 ->CreateSurfacelessEGLSurfaceForWidget(window); | |
| 675 if (!surface_ozone) | |
| 676 return nullptr; | |
| 677 return InitializeGLSurface( | |
| 678 new GLSurfaceOzoneSurfaceless(std::move(surface_ozone), window)); | |
| 679 } | |
| 680 | |
| 681 scoped_refptr<GLSurface> CreateViewGLSurfaceOzoneSurfacelessSurfaceImpl( | |
| 682 gfx::AcceleratedWidget window) { | |
| 683 std::unique_ptr<ui::SurfaceOzoneEGL> surface_ozone = | |
| 684 ui::OzonePlatform::GetInstance() | |
| 685 ->GetSurfaceFactoryOzone() | |
| 686 ->CreateSurfacelessEGLSurfaceForWidget(window); | |
| 687 if (!surface_ozone) | |
| 688 return nullptr; | |
| 689 return InitializeGLSurface(new GLSurfaceOzoneSurfacelessSurfaceImpl( | |
| 690 std::move(surface_ozone), window)); | |
| 691 } | |
| 692 | |
| 693 EGLNativeDisplayType GetPlatformDefaultEGLNativeDisplay() { | |
| 694 return ui::OzonePlatform::GetInstance() | |
| 695 ->GetSurfaceFactoryOzone() | |
| 696 ->GetNativeDisplay(); | |
| 697 } | |
| 698 | |
| 699 } // namespace gl | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2088453003:
Move GLSurface and rename source files. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master