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| 1 // Copyright 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 "config.h" | |
| 6 | |
| 7 #include "CCResourceProvider.h" | |
| 8 #ifdef LOG | |
| 9 #undef LOG | |
| 10 #endif | |
| 11 | |
| 12 #include <limits.h> | |
| 13 | |
| 14 #include "base/debug/alias.h" | |
| 15 #include "base/hash_tables.h" | |
| 16 #include "base/stl_util.h" | |
| 17 #include "base/string_split.h" | |
| 18 #include "base/string_util.h" | |
| 19 #include "CCProxy.h" | |
| 20 #include "CCRendererGL.h" // For the GLC() macro. | |
| 21 #include "Extensions3DChromium.h" | |
| 22 #include "IntRect.h" | |
| 23 #include "LayerTextureSubImage.h" | |
| 24 #include "ThrottledTextureUploader.h" | |
| 25 #include "UnthrottledTextureUploader.h" | |
| 26 #include <public/WebGraphicsContext3D.h> | |
| 27 | |
| 28 using WebKit::WebGraphicsContext3D; | |
| 29 | |
| 30 namespace cc { | |
| 31 | |
| 32 static GC3Denum textureToStorageFormat(GC3Denum textureFormat) | |
| 33 { | |
| 34 GC3Denum storageFormat = Extensions3D::RGBA8_OES; | |
| 35 switch (textureFormat) { | |
| 36 case GraphicsContext3D::RGBA: | |
| 37 break; | |
| 38 case Extensions3D::BGRA_EXT: | |
| 39 storageFormat = Extensions3DChromium::BGRA8_EXT; | |
| 40 break; | |
| 41 default: | |
| 42 ASSERT_NOT_REACHED(); | |
| 43 break; | |
| 44 } | |
| 45 | |
| 46 return storageFormat; | |
| 47 } | |
| 48 | |
| 49 static bool isTextureFormatSupportedForStorage(GC3Denum format) | |
| 50 { | |
| 51 return (format == GraphicsContext3D::RGBA || format == Extensions3D::BGRA_EX
T); | |
| 52 } | |
| 53 | |
| 54 CCResourceProvider::TransferableResourceList::TransferableResourceList() | |
| 55 { | |
| 56 } | |
| 57 | |
| 58 CCResourceProvider::TransferableResourceList::~TransferableResourceList() | |
| 59 { | |
| 60 } | |
| 61 | |
| 62 CCResourceProvider::Resource::Resource() | |
| 63 : glId(0) | |
| 64 , pixels(0) | |
| 65 , pool(0) | |
| 66 , lockForReadCount(0) | |
| 67 , lockedForWrite(false) | |
| 68 , external(false) | |
| 69 , exported(false) | |
| 70 , size() | |
| 71 , format(0) | |
| 72 , type(static_cast<ResourceType>(0)) | |
| 73 { | |
| 74 } | |
| 75 | |
| 76 CCResourceProvider::Resource::Resource(unsigned textureId, int pool, const IntSi
ze& size, GC3Denum format) | |
| 77 : glId(textureId) | |
| 78 , pixels(0) | |
| 79 , pool(pool) | |
| 80 , lockForReadCount(0) | |
| 81 , lockedForWrite(false) | |
| 82 , external(false) | |
| 83 , exported(false) | |
| 84 , size(size) | |
| 85 , format(format) | |
| 86 , type(GLTexture) | |
| 87 { | |
| 88 } | |
| 89 | |
| 90 CCResourceProvider::Resource::Resource(uint8_t* pixels, int pool, const IntSize&
size, GC3Denum format) | |
| 91 : glId(0) | |
| 92 , pixels(pixels) | |
| 93 , pool(pool) | |
| 94 , lockForReadCount(0) | |
| 95 , lockedForWrite(false) | |
| 96 , external(false) | |
| 97 , exported(false) | |
| 98 , size(size) | |
| 99 , format(format) | |
| 100 , type(Bitmap) | |
| 101 { | |
| 102 } | |
| 103 | |
| 104 CCResourceProvider::Child::Child() | |
| 105 { | |
| 106 } | |
| 107 | |
| 108 CCResourceProvider::Child::~Child() | |
| 109 { | |
| 110 } | |
| 111 | |
| 112 PassOwnPtr<CCResourceProvider> CCResourceProvider::create(CCGraphicsContext* con
text) | |
| 113 { | |
| 114 OwnPtr<CCResourceProvider> resourceProvider(adoptPtr(new CCResourceProvider(
context))); | |
| 115 if (!resourceProvider->initialize()) | |
| 116 return nullptr; | |
| 117 return resourceProvider.release(); | |
| 118 } | |
| 119 | |
| 120 CCResourceProvider::~CCResourceProvider() | |
| 121 { | |
| 122 WebGraphicsContext3D* context3d = m_context->context3D(); | |
| 123 if (!context3d || !context3d->makeContextCurrent()) | |
| 124 return; | |
| 125 m_textureUploader.clear(); | |
| 126 m_textureCopier.clear(); | |
| 127 } | |
| 128 | |
| 129 WebGraphicsContext3D* CCResourceProvider::graphicsContext3D() | |
| 130 { | |
| 131 ASSERT(CCProxy::isImplThread()); | |
| 132 return m_context->context3D(); | |
| 133 } | |
| 134 | |
| 135 bool CCResourceProvider::inUseByConsumer(ResourceId id) | |
| 136 { | |
| 137 ASSERT(CCProxy::isImplThread()); | |
| 138 ResourceMap::iterator it = m_resources.find(id); | |
| 139 CHECK(it != m_resources.end()); | |
| 140 #if WTF_NEW_HASHMAP_ITERATORS_INTERFACE | |
| 141 Resource* resource = &it->value; | |
| 142 #else | |
| 143 Resource* resource = &it->second; | |
| 144 #endif | |
| 145 return !!resource->lockForReadCount || resource->exported; | |
| 146 } | |
| 147 | |
| 148 CCResourceProvider::ResourceId CCResourceProvider::createResource(int pool, cons
t IntSize& size, GC3Denum format, TextureUsageHint hint) | |
| 149 { | |
| 150 switch (m_defaultResourceType) { | |
| 151 case GLTexture: | |
| 152 return createGLTexture(pool, size, format, hint); | |
| 153 case Bitmap: | |
| 154 ASSERT(format == GraphicsContext3D::RGBA); | |
| 155 return createBitmap(pool, size); | |
| 156 } | |
| 157 | |
| 158 CRASH(); | |
| 159 return 0; | |
| 160 } | |
| 161 | |
| 162 CCResourceProvider::ResourceId CCResourceProvider::createGLTexture(int pool, con
st IntSize& size, GC3Denum format, TextureUsageHint hint) | |
| 163 { | |
| 164 ASSERT(CCProxy::isImplThread()); | |
| 165 unsigned textureId = 0; | |
| 166 WebGraphicsContext3D* context3d = m_context->context3D(); | |
| 167 ASSERT(context3d); | |
| 168 GLC(context3d, textureId = context3d->createTexture()); | |
| 169 GLC(context3d, context3d->bindTexture(GraphicsContext3D::TEXTURE_2D, texture
Id)); | |
| 170 GLC(context3d, context3d->texParameteri(GraphicsContext3D::TEXTURE_2D, Graph
icsContext3D::TEXTURE_MIN_FILTER, GraphicsContext3D::LINEAR)); | |
| 171 GLC(context3d, context3d->texParameteri(GraphicsContext3D::TEXTURE_2D, Graph
icsContext3D::TEXTURE_MAG_FILTER, GraphicsContext3D::LINEAR)); | |
| 172 GLC(context3d, context3d->texParameteri(GraphicsContext3D::TEXTURE_2D, Graph
icsContext3D::TEXTURE_WRAP_S, GraphicsContext3D::CLAMP_TO_EDGE)); | |
| 173 GLC(context3d, context3d->texParameteri(GraphicsContext3D::TEXTURE_2D, Graph
icsContext3D::TEXTURE_WRAP_T, GraphicsContext3D::CLAMP_TO_EDGE)); | |
| 174 | |
| 175 if (m_useTextureUsageHint && hint == TextureUsageFramebuffer) | |
| 176 GLC(context3d, context3d->texParameteri(GraphicsContext3D::TEXTURE_2D, E
xtensions3DChromium::GL_TEXTURE_USAGE_ANGLE, Extensions3DChromium::GL_FRAMEBUFFE
R_ATTACHMENT_ANGLE)); | |
| 177 if (m_useTextureStorageExt && isTextureFormatSupportedForStorage(format)) { | |
| 178 GC3Denum storageFormat = textureToStorageFormat(format); | |
| 179 GLC(context3d, context3d->texStorage2DEXT(GraphicsContext3D::TEXTURE_2D,
1, storageFormat, size.width(), size.height())); | |
| 180 } else | |
| 181 GLC(context3d, context3d->texImage2D(GraphicsContext3D::TEXTURE_2D, 0, f
ormat, size.width(), size.height(), 0, format, GraphicsContext3D::UNSIGNED_BYTE,
0)); | |
| 182 ResourceId id = m_nextId++; | |
| 183 Resource resource(textureId, pool, size, format); | |
| 184 m_resources.add(id, resource); | |
| 185 return id; | |
| 186 } | |
| 187 | |
| 188 CCResourceProvider::ResourceId CCResourceProvider::createBitmap(int pool, const
IntSize& size) | |
| 189 { | |
| 190 ASSERT(CCProxy::isImplThread()); | |
| 191 | |
| 192 uint8_t* pixels = new uint8_t[size.width() * size.height() * 4]; | |
| 193 | |
| 194 ResourceId id = m_nextId++; | |
| 195 Resource resource(pixels, pool, size, GraphicsContext3D::RGBA); | |
| 196 m_resources.add(id, resource); | |
| 197 return id; | |
| 198 } | |
| 199 | |
| 200 CCResourceProvider::ResourceId CCResourceProvider::createResourceFromExternalTex
ture(unsigned textureId) | |
| 201 { | |
| 202 ASSERT(CCProxy::isImplThread()); | |
| 203 ASSERT(m_context->context3D()); | |
| 204 ResourceId id = m_nextId++; | |
| 205 Resource resource(textureId, 0, IntSize(), 0); | |
| 206 resource.external = true; | |
| 207 m_resources.add(id, resource); | |
| 208 return id; | |
| 209 } | |
| 210 | |
| 211 void CCResourceProvider::deleteResource(ResourceId id) | |
| 212 { | |
| 213 ASSERT(CCProxy::isImplThread()); | |
| 214 ResourceMap::iterator it = m_resources.find(id); | |
| 215 CHECK(it != m_resources.end()); | |
| 216 #if WTF_NEW_HASHMAP_ITERATORS_INTERFACE | |
| 217 Resource* resource = &it->value; | |
| 218 #else | |
| 219 Resource* resource = &it->second; | |
| 220 #endif | |
| 221 ASSERT(!resource->lockedForWrite); | |
| 222 ASSERT(!resource->lockForReadCount); | |
| 223 | |
| 224 if (resource->glId && !resource->external) { | |
| 225 WebGraphicsContext3D* context3d = m_context->context3D(); | |
| 226 ASSERT(context3d); | |
| 227 GLC(context3d, context3d->deleteTexture(resource->glId)); | |
| 228 } | |
| 229 if (resource->pixels) | |
| 230 delete resource->pixels; | |
| 231 | |
| 232 m_resources.remove(it); | |
| 233 } | |
| 234 | |
| 235 void CCResourceProvider::deleteOwnedResources(int pool) | |
| 236 { | |
| 237 ASSERT(CCProxy::isImplThread()); | |
| 238 ResourceIdArray toDelete; | |
| 239 for (ResourceMap::iterator it = m_resources.begin(); it != m_resources.end()
; ++it) { | |
| 240 #if WTF_NEW_HASHMAP_ITERATORS_INTERFACE | |
| 241 if (it->value.pool == pool && !it->value.external) | |
| 242 toDelete.append(it->key); | |
| 243 #else | |
| 244 if (it->second.pool == pool && !it->second.external) | |
| 245 toDelete.append(it->first); | |
| 246 #endif | |
| 247 } | |
| 248 for (ResourceIdArray::iterator it = toDelete.begin(); it != toDelete.end();
++it) | |
| 249 deleteResource(*it); | |
| 250 } | |
| 251 | |
| 252 CCResourceProvider::ResourceType CCResourceProvider::resourceType(ResourceId id) | |
| 253 { | |
| 254 ResourceMap::iterator it = m_resources.find(id); | |
| 255 CHECK(it != m_resources.end()); | |
| 256 #if WTF_NEW_HASHMAP_ITERATORS_INTERFACE | |
| 257 Resource* resource = &it->value; | |
| 258 #else | |
| 259 Resource* resource = &it->second; | |
| 260 #endif | |
| 261 return resource->type; | |
| 262 } | |
| 263 | |
| 264 void CCResourceProvider::upload(ResourceId id, const uint8_t* image, const IntRe
ct& imageRect, const IntRect& sourceRect, const IntSize& destOffset) | |
| 265 { | |
| 266 ASSERT(CCProxy::isImplThread()); | |
| 267 ResourceMap::iterator it = m_resources.find(id); | |
| 268 CHECK(it != m_resources.end()); | |
| 269 #if WTF_NEW_HASHMAP_ITERATORS_INTERFACE | |
| 270 Resource* resource = &it->value; | |
| 271 #else | |
| 272 Resource* resource = &it->second; | |
| 273 #endif | |
| 274 ASSERT(!resource->lockedForWrite); | |
| 275 ASSERT(!resource->lockForReadCount); | |
| 276 ASSERT(!resource->external); | |
| 277 | |
| 278 if (resource->glId) { | |
| 279 WebGraphicsContext3D* context3d = m_context->context3D(); | |
| 280 ASSERT(context3d); | |
| 281 ASSERT(m_texSubImage.get()); | |
| 282 context3d->bindTexture(GraphicsContext3D::TEXTURE_2D, resource->glId); | |
| 283 m_texSubImage->upload(image, imageRect, sourceRect, destOffset, resource
->format, context3d); | |
| 284 } | |
| 285 | |
| 286 if (resource->pixels) { | |
| 287 SkBitmap srcFull; | |
| 288 srcFull.setConfig(SkBitmap::kARGB_8888_Config, imageRect.width(), imageR
ect.height()); | |
| 289 srcFull.setPixels(const_cast<uint8_t*>(image)); | |
| 290 SkBitmap srcSubset; | |
| 291 SkIRect skSourceRect = SkIRect::MakeXYWH(sourceRect.x(), sourceRect.y(),
sourceRect.width(), sourceRect.height()); | |
| 292 skSourceRect.offset(-imageRect.x(), -imageRect.y()); | |
| 293 srcFull.extractSubset(&srcSubset, skSourceRect); | |
| 294 | |
| 295 ScopedWriteLockSoftware lock(this, id); | |
| 296 SkCanvas* dest = lock.skCanvas(); | |
| 297 dest->writePixels(srcSubset, destOffset.width(), destOffset.height()); | |
| 298 } | |
| 299 } | |
| 300 | |
| 301 void CCResourceProvider::flush() | |
| 302 { | |
| 303 ASSERT(CCProxy::isImplThread()); | |
| 304 WebGraphicsContext3D* context3d = m_context->context3D(); | |
| 305 if (context3d) | |
| 306 context3d->flush(); | |
| 307 } | |
| 308 | |
| 309 bool CCResourceProvider::shallowFlushIfSupported() | |
| 310 { | |
| 311 ASSERT(CCProxy::isImplThread()); | |
| 312 WebGraphicsContext3D* context3d = m_context->context3D(); | |
| 313 if (!context3d || !m_useShallowFlush) | |
| 314 return false; | |
| 315 | |
| 316 context3d->shallowFlushCHROMIUM(); | |
| 317 return true; | |
| 318 } | |
| 319 | |
| 320 const CCResourceProvider::Resource* CCResourceProvider::lockForRead(ResourceId i
d) | |
| 321 { | |
| 322 ASSERT(CCProxy::isImplThread()); | |
| 323 ResourceMap::iterator it = m_resources.find(id); | |
| 324 CHECK(it != m_resources.end()); | |
| 325 | |
| 326 #if WTF_NEW_HASHMAP_ITERATORS_INTERFACE | |
| 327 Resource* resource = &it->value; | |
| 328 #else | |
| 329 Resource* resource = &it->second; | |
| 330 #endif | |
| 331 ASSERT(!resource->lockedForWrite); | |
| 332 resource->lockForReadCount++; | |
| 333 return resource; | |
| 334 } | |
| 335 | |
| 336 void CCResourceProvider::unlockForRead(ResourceId id) | |
| 337 { | |
| 338 ASSERT(CCProxy::isImplThread()); | |
| 339 ResourceMap::iterator it = m_resources.find(id); | |
| 340 CHECK(it != m_resources.end()); | |
| 341 #if WTF_NEW_HASHMAP_ITERATORS_INTERFACE | |
| 342 Resource* resource = &it->value; | |
| 343 #else | |
| 344 Resource* resource = &it->second; | |
| 345 #endif | |
| 346 ASSERT(resource->lockForReadCount > 0); | |
| 347 resource->lockForReadCount--; | |
| 348 } | |
| 349 | |
| 350 const CCResourceProvider::Resource* CCResourceProvider::lockForWrite(ResourceId
id) | |
| 351 { | |
| 352 ASSERT(CCProxy::isImplThread()); | |
| 353 ResourceMap::iterator it = m_resources.find(id); | |
| 354 CHECK(it != m_resources.end()); | |
| 355 #if WTF_NEW_HASHMAP_ITERATORS_INTERFACE | |
| 356 Resource* resource = &it->value; | |
| 357 #else | |
| 358 Resource* resource = &it->second; | |
| 359 #endif | |
| 360 ASSERT(!resource->lockedForWrite); | |
| 361 ASSERT(!resource->lockForReadCount); | |
| 362 ASSERT(!resource->external); | |
| 363 resource->lockedForWrite = true; | |
| 364 return resource; | |
| 365 } | |
| 366 | |
| 367 void CCResourceProvider::unlockForWrite(ResourceId id) | |
| 368 { | |
| 369 ASSERT(CCProxy::isImplThread()); | |
| 370 ResourceMap::iterator it = m_resources.find(id); | |
| 371 CHECK(it != m_resources.end()); | |
| 372 #if WTF_NEW_HASHMAP_ITERATORS_INTERFACE | |
| 373 Resource* resource = &it->value; | |
| 374 #else | |
| 375 Resource* resource = &it->second; | |
| 376 #endif | |
| 377 ASSERT(resource->lockedForWrite); | |
| 378 ASSERT(!resource->external); | |
| 379 resource->lockedForWrite = false; | |
| 380 } | |
| 381 | |
| 382 CCResourceProvider::ScopedReadLockGL::ScopedReadLockGL(CCResourceProvider* resou
rceProvider, CCResourceProvider::ResourceId resourceId) | |
| 383 : m_resourceProvider(resourceProvider) | |
| 384 , m_resourceId(resourceId) | |
| 385 , m_textureId(resourceProvider->lockForRead(resourceId)->glId) | |
| 386 { | |
| 387 ASSERT(m_textureId); | |
| 388 } | |
| 389 | |
| 390 CCResourceProvider::ScopedReadLockGL::~ScopedReadLockGL() | |
| 391 { | |
| 392 m_resourceProvider->unlockForRead(m_resourceId); | |
| 393 } | |
| 394 | |
| 395 CCResourceProvider::ScopedWriteLockGL::ScopedWriteLockGL(CCResourceProvider* res
ourceProvider, CCResourceProvider::ResourceId resourceId) | |
| 396 : m_resourceProvider(resourceProvider) | |
| 397 , m_resourceId(resourceId) | |
| 398 , m_textureId(resourceProvider->lockForWrite(resourceId)->glId) | |
| 399 { | |
| 400 ASSERT(m_textureId); | |
| 401 } | |
| 402 | |
| 403 CCResourceProvider::ScopedWriteLockGL::~ScopedWriteLockGL() | |
| 404 { | |
| 405 m_resourceProvider->unlockForWrite(m_resourceId); | |
| 406 } | |
| 407 | |
| 408 void CCResourceProvider::populateSkBitmapWithResource(SkBitmap* skBitmap, const
Resource* resource) | |
| 409 { | |
| 410 ASSERT(resource->pixels); | |
| 411 ASSERT(resource->format == GraphicsContext3D::RGBA); | |
| 412 skBitmap->setConfig(SkBitmap::kARGB_8888_Config, resource->size.width(), res
ource->size.height()); | |
| 413 skBitmap->setPixels(resource->pixels); | |
| 414 } | |
| 415 | |
| 416 CCResourceProvider::ScopedReadLockSoftware::ScopedReadLockSoftware(CCResourcePro
vider* resourceProvider, CCResourceProvider::ResourceId resourceId) | |
| 417 : m_resourceProvider(resourceProvider) | |
| 418 , m_resourceId(resourceId) | |
| 419 { | |
| 420 CCResourceProvider::populateSkBitmapWithResource(&m_skBitmap, resourceProvid
er->lockForRead(resourceId)); | |
| 421 } | |
| 422 | |
| 423 CCResourceProvider::ScopedReadLockSoftware::~ScopedReadLockSoftware() | |
| 424 { | |
| 425 m_resourceProvider->unlockForRead(m_resourceId); | |
| 426 } | |
| 427 | |
| 428 CCResourceProvider::ScopedWriteLockSoftware::ScopedWriteLockSoftware(CCResourceP
rovider* resourceProvider, CCResourceProvider::ResourceId resourceId) | |
| 429 : m_resourceProvider(resourceProvider) | |
| 430 , m_resourceId(resourceId) | |
| 431 { | |
| 432 CCResourceProvider::populateSkBitmapWithResource(&m_skBitmap, resourceProvid
er->lockForWrite(resourceId)); | |
| 433 m_skCanvas = adoptPtr(new SkCanvas(m_skBitmap)); | |
| 434 } | |
| 435 | |
| 436 CCResourceProvider::ScopedWriteLockSoftware::~ScopedWriteLockSoftware() | |
| 437 { | |
| 438 m_resourceProvider->unlockForWrite(m_resourceId); | |
| 439 } | |
| 440 | |
| 441 CCResourceProvider::CCResourceProvider(CCGraphicsContext* context) | |
| 442 : m_context(context) | |
| 443 , m_nextId(1) | |
| 444 , m_nextChild(1) | |
| 445 , m_defaultResourceType(GLTexture) | |
| 446 , m_useTextureStorageExt(false) | |
| 447 , m_useTextureUsageHint(false) | |
| 448 , m_useShallowFlush(false) | |
| 449 , m_maxTextureSize(0) | |
| 450 { | |
| 451 } | |
| 452 | |
| 453 bool CCResourceProvider::initialize() | |
| 454 { | |
| 455 ASSERT(CCProxy::isImplThread()); | |
| 456 WebGraphicsContext3D* context3d = m_context->context3D(); | |
| 457 if (!context3d) { | |
| 458 m_maxTextureSize = INT_MAX / 2; | |
| 459 m_textureUploader = UnthrottledTextureUploader::create(); | |
| 460 return true; | |
| 461 } | |
| 462 if (!context3d->makeContextCurrent()) | |
| 463 return false; | |
| 464 | |
| 465 std::string extensionsString = UTF16ToASCII(context3d->getString(GraphicsCon
text3D::EXTENSIONS)); | |
| 466 std::vector<std::string> extensions; | |
| 467 base::SplitString(extensionsString, ' ', &extensions); | |
| 468 bool useMapSub = false; | |
| 469 bool useBindUniform = false; | |
| 470 for (size_t i = 0; i < extensions.size(); ++i) { | |
| 471 if (extensions[i] == "GL_EXT_texture_storage") | |
| 472 m_useTextureStorageExt = true; | |
| 473 else if (extensions[i] == "GL_ANGLE_texture_usage") | |
| 474 m_useTextureUsageHint = true; | |
| 475 else if (extensions[i] == "GL_CHROMIUM_map_sub") | |
| 476 useMapSub = true; | |
| 477 else if (extensions[i] == "GL_CHROMIUM_shallow_flush") | |
| 478 m_useShallowFlush = true; | |
| 479 else if (extensions[i] == "GL_CHROMIUM_bind_uniform_location") | |
| 480 useBindUniform = true; | |
| 481 } | |
| 482 | |
| 483 m_texSubImage = adoptPtr(new LayerTextureSubImage(useMapSub)); | |
| 484 m_textureCopier = AcceleratedTextureCopier::create(context3d, useBindUniform
); | |
| 485 | |
| 486 m_textureUploader = ThrottledTextureUploader::create(context3d); | |
| 487 GLC(context3d, context3d->getIntegerv(GraphicsContext3D::MAX_TEXTURE_SIZE, &
m_maxTextureSize)); | |
| 488 return true; | |
| 489 } | |
| 490 | |
| 491 int CCResourceProvider::createChild(int pool) | |
| 492 { | |
| 493 ASSERT(CCProxy::isImplThread()); | |
| 494 Child childInfo; | |
| 495 childInfo.pool = pool; | |
| 496 int child = m_nextChild++; | |
| 497 m_children.add(child, childInfo); | |
| 498 return child; | |
| 499 } | |
| 500 | |
| 501 void CCResourceProvider::destroyChild(int child) | |
| 502 { | |
| 503 ASSERT(CCProxy::isImplThread()); | |
| 504 ChildMap::iterator it = m_children.find(child); | |
| 505 ASSERT(it != m_children.end()); | |
| 506 #if WTF_NEW_HASHMAP_ITERATORS_INTERFACE | |
| 507 deleteOwnedResources(it->value.pool); | |
| 508 #else | |
| 509 deleteOwnedResources(it->second.pool); | |
| 510 #endif | |
| 511 m_children.remove(it); | |
| 512 trimMailboxDeque(); | |
| 513 } | |
| 514 | |
| 515 const CCResourceProvider::ResourceIdMap& CCResourceProvider::getChildToParentMap
(int child) const | |
| 516 { | |
| 517 ASSERT(CCProxy::isImplThread()); | |
| 518 ChildMap::const_iterator it = m_children.find(child); | |
| 519 ASSERT(it != m_children.end()); | |
| 520 #if WTF_NEW_HASHMAP_ITERATORS_INTERFACE | |
| 521 return it->value.childToParentMap; | |
| 522 #else | |
| 523 return it->second.childToParentMap; | |
| 524 #endif | |
| 525 } | |
| 526 | |
| 527 CCResourceProvider::TransferableResourceList CCResourceProvider::prepareSendToPa
rent(const ResourceIdArray& resources) | |
| 528 { | |
| 529 ASSERT(CCProxy::isImplThread()); | |
| 530 TransferableResourceList list; | |
| 531 list.syncPoint = 0; | |
| 532 WebGraphicsContext3D* context3d = m_context->context3D(); | |
| 533 if (!context3d || !context3d->makeContextCurrent()) { | |
| 534 // FIXME: Implement this path for software compositing. | |
| 535 return list; | |
| 536 } | |
| 537 for (ResourceIdArray::const_iterator it = resources.begin(); it != resources
.end(); ++it) { | |
| 538 TransferableResource resource; | |
| 539 if (transferResource(context3d, *it, &resource)) { | |
| 540 #if WTF_NEW_HASHMAP_ITERATORS_INTERFACE | |
| 541 m_resources.find(*it)->value.exported = true; | |
| 542 #else | |
| 543 m_resources.find(*it)->second.exported = true; | |
| 544 #endif | |
| 545 list.resources.append(resource); | |
| 546 } | |
| 547 } | |
| 548 if (list.resources.size()) | |
| 549 list.syncPoint = context3d->insertSyncPoint(); | |
| 550 return list; | |
| 551 } | |
| 552 | |
| 553 CCResourceProvider::TransferableResourceList CCResourceProvider::prepareSendToCh
ild(int child, const ResourceIdArray& resources) | |
| 554 { | |
| 555 ASSERT(CCProxy::isImplThread()); | |
| 556 TransferableResourceList list; | |
| 557 list.syncPoint = 0; | |
| 558 WebGraphicsContext3D* context3d = m_context->context3D(); | |
| 559 if (!context3d || !context3d->makeContextCurrent()) { | |
| 560 // FIXME: Implement this path for software compositing. | |
| 561 return list; | |
| 562 } | |
| 563 #if WTF_NEW_HASHMAP_ITERATORS_INTERFACE | |
| 564 Child& childInfo = m_children.find(child)->value; | |
| 565 #else | |
| 566 Child& childInfo = m_children.find(child)->second; | |
| 567 #endif | |
| 568 for (ResourceIdArray::const_iterator it = resources.begin(); it != resources
.end(); ++it) { | |
| 569 TransferableResource resource; | |
| 570 if (!transferResource(context3d, *it, &resource)) | |
| 571 ASSERT_NOT_REACHED(); | |
| 572 resource.id = childInfo.parentToChildMap.get(*it); | |
| 573 childInfo.parentToChildMap.remove(*it); | |
| 574 childInfo.childToParentMap.remove(resource.id); | |
| 575 list.resources.append(resource); | |
| 576 deleteResource(*it); | |
| 577 } | |
| 578 if (list.resources.size()) | |
| 579 list.syncPoint = context3d->insertSyncPoint(); | |
| 580 return list; | |
| 581 } | |
| 582 | |
| 583 void CCResourceProvider::receiveFromChild(int child, const TransferableResourceL
ist& resources) | |
| 584 { | |
| 585 ASSERT(CCProxy::isImplThread()); | |
| 586 WebGraphicsContext3D* context3d = m_context->context3D(); | |
| 587 if (!context3d || !context3d->makeContextCurrent()) { | |
| 588 // FIXME: Implement this path for software compositing. | |
| 589 return; | |
| 590 } | |
| 591 if (resources.syncPoint) { | |
| 592 // NOTE: If the parent is a browser and the child a renderer, the parent | |
| 593 // is not supposed to have its context wait, because that could induce | |
| 594 // deadlocks and/or security issues. The caller is responsible for | |
| 595 // waiting asynchronously, and resetting syncPoint before calling this. | |
| 596 // However if the parent is a renderer (e.g. browser tag), it may be ok | |
| 597 // (and is simpler) to wait. | |
| 598 GLC(context3d, context3d->waitSyncPoint(resources.syncPoint)); | |
| 599 } | |
| 600 #if WTF_NEW_HASHMAP_ITERATORS_INTERFACE | |
| 601 Child& childInfo = m_children.find(child)->value; | |
| 602 #else | |
| 603 Child& childInfo = m_children.find(child)->second; | |
| 604 #endif | |
| 605 for (Vector<TransferableResource>::const_iterator it = resources.resources.b
egin(); it != resources.resources.end(); ++it) { | |
| 606 unsigned textureId; | |
| 607 GLC(context3d, textureId = context3d->createTexture()); | |
| 608 GLC(context3d, context3d->bindTexture(GraphicsContext3D::TEXTURE_2D, tex
tureId)); | |
| 609 GLC(context3d, context3d->consumeTextureCHROMIUM(GraphicsContext3D::TEXT
URE_2D, it->mailbox.name)); | |
| 610 ResourceId id = m_nextId++; | |
| 611 Resource resource(textureId, childInfo.pool, it->size, it->format); | |
| 612 m_resources.add(id, resource); | |
| 613 m_mailboxes.append(it->mailbox); | |
| 614 childInfo.parentToChildMap.add(id, it->id); | |
| 615 childInfo.childToParentMap.add(it->id, id); | |
| 616 } | |
| 617 } | |
| 618 | |
| 619 void CCResourceProvider::receiveFromParent(const TransferableResourceList& resou
rces) | |
| 620 { | |
| 621 ASSERT(CCProxy::isImplThread()); | |
| 622 WebGraphicsContext3D* context3d = m_context->context3D(); | |
| 623 if (!context3d || !context3d->makeContextCurrent()) { | |
| 624 // FIXME: Implement this path for software compositing. | |
| 625 return; | |
| 626 } | |
| 627 if (resources.syncPoint) | |
| 628 GLC(context3d, context3d->waitSyncPoint(resources.syncPoint)); | |
| 629 for (Vector<TransferableResource>::const_iterator it = resources.resources.b
egin(); it != resources.resources.end(); ++it) { | |
| 630 #if WTF_NEW_HASHMAP_ITERATORS_INTERFACE | |
| 631 Resource* resource = &m_resources.find(it->id)->value; | |
| 632 #else | |
| 633 Resource* resource = &m_resources.find(it->id)->second; | |
| 634 #endif | |
| 635 ASSERT(resource->exported); | |
| 636 resource->exported = false; | |
| 637 GLC(context3d, context3d->bindTexture(GraphicsContext3D::TEXTURE_2D, res
ource->glId)); | |
| 638 GLC(context3d, context3d->consumeTextureCHROMIUM(GraphicsContext3D::TEXT
URE_2D, it->mailbox.name)); | |
| 639 m_mailboxes.append(it->mailbox); | |
| 640 } | |
| 641 } | |
| 642 | |
| 643 bool CCResourceProvider::transferResource(WebGraphicsContext3D* context, Resourc
eId id, TransferableResource* resource) | |
| 644 { | |
| 645 ASSERT(CCProxy::isImplThread()); | |
| 646 ResourceMap::const_iterator it = m_resources.find(id); | |
| 647 CHECK(it != m_resources.end()); | |
| 648 #if WTF_NEW_HASHMAP_ITERATORS_INTERFACE | |
| 649 const Resource* source = &it->value; | |
| 650 #else | |
| 651 const Resource* source = &it->second; | |
| 652 #endif | |
| 653 ASSERT(!source->lockedForWrite); | |
| 654 ASSERT(!source->lockForReadCount); | |
| 655 ASSERT(!source->external); | |
| 656 if (source->exported) | |
| 657 return false; | |
| 658 resource->id = id; | |
| 659 resource->format = source->format; | |
| 660 resource->size = source->size; | |
| 661 if (!m_mailboxes.isEmpty()) | |
| 662 resource->mailbox = m_mailboxes.takeFirst(); | |
| 663 else | |
| 664 GLC(context, context->genMailboxCHROMIUM(resource->mailbox.name)); | |
| 665 GLC(context, context->bindTexture(GraphicsContext3D::TEXTURE_2D, source->glI
d)); | |
| 666 GLC(context, context->produceTextureCHROMIUM(GraphicsContext3D::TEXTURE_2D,
resource->mailbox.name)); | |
| 667 return true; | |
| 668 } | |
| 669 | |
| 670 void CCResourceProvider::trimMailboxDeque() | |
| 671 { | |
| 672 // Trim the mailbox deque to the maximum number of resources we may need to | |
| 673 // send. | |
| 674 // If we have a parent, any non-external resource not already transfered is | |
| 675 // eligible to be sent to the parent. Otherwise, all resources belonging to | |
| 676 // a child might need to be sent back to the child. | |
| 677 size_t maxMailboxCount = 0; | |
| 678 if (m_context->capabilities().hasParentCompositor) { | |
| 679 for (ResourceMap::iterator it = m_resources.begin(); it != m_resources.e
nd(); ++it) { | |
| 680 #if WTF_NEW_HASHMAP_ITERATORS_INTERFACE | |
| 681 if (!it->value.exported && !it->value.external) | |
| 682 #else | |
| 683 if (!it->second.exported && !it->second.external) | |
| 684 #endif | |
| 685 ++maxMailboxCount; | |
| 686 } | |
| 687 } else { | |
| 688 base::hash_set<int> childPoolSet; | |
| 689 for (ChildMap::iterator it = m_children.begin(); it != m_children.end();
++it) | |
| 690 #if WTF_NEW_HASHMAP_ITERATORS_INTERFACE | |
| 691 childPoolSet.insert(it->value.pool); | |
| 692 #else | |
| 693 childPoolSet.insert(it->second.pool); | |
| 694 #endif | |
| 695 for (ResourceMap::iterator it = m_resources.begin(); it != m_resources.e
nd(); ++it) { | |
| 696 #if WTF_NEW_HASHMAP_ITERATORS_INTERFACE | |
| 697 if (ContainsKey(childPoolSet, it->value.pool)) | |
| 698 #else | |
| 699 if (ContainsKey(childPoolSet, it->second.pool)) | |
| 700 #endif | |
| 701 ++maxMailboxCount; | |
| 702 } | |
| 703 } | |
| 704 while (m_mailboxes.size() > maxMailboxCount) | |
| 705 m_mailboxes.removeFirst(); | |
| 706 } | |
| 707 | |
| 708 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 11122003:
[cc] Rename all cc/ filenames to Chromium style (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src