cc/CCResourceProviderTest.cpp

   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
   9 #include "CCGraphicsContext.h"
  10 #include "CCSingleThreadProxy.h" // For DebugScopedSetImplThread
  11 #include "CompositorFakeWebGraphicsContext3D.h"
  12 #include "Extensions3DChromium.h"
  13 #include "FakeWebCompositorOutputSurface.h"
  14 #include "testing/gtest/include/gtest/gtest.h"
  15 #include <public/WebGraphicsContext3D.h>
  16 #include <wtf/HashMap.h>
  17 #include <wtf/OwnArrayPtr.h>
  18 #include <wtf/OwnPtr.h>
  19
  20 using namespace cc;
  21 using namespace WebKit;
  22
  23 namespace {
  24
  25 size_t textureSize(const IntSize& size, WGC3Denum format)
  26 {
  27     unsigned int componentsPerPixel = 4;
  28     unsigned int bytesPerComponent = 1;
  29     return size.width() * size.height() * componentsPerPixel * bytesPerComponent;
  30 }
  31
  32 struct Texture {
  33     Texture(const IntSize& size, WGC3Denum format)
  34         : size(size)
  35         , format(format)
  36         , data(adoptArrayPtr(new uint8_t[textureSize(size, format)]))
  37     {
  38     }
  39
  40     IntSize size;
  41     WGC3Denum format;
  42     OwnArrayPtr<uint8_t> data;
  43 };
  44
  45 // Shared data between multiple ResourceProviderContext. This contains mailbox
  46 // contents as well as information about sync points.
  47 class ContextSharedData {
  48 public:
  49     static PassOwnPtr<ContextSharedData> create() { return adoptPtr(new ContextSharedData()); }
  50
  51     unsigned insertSyncPoint() { return m_nextSyncPoint++; }
  52
  53     void genMailbox(WGC3Dbyte* mailbox)
  54     {
  55         memset(mailbox, 0, sizeof(WGC3Dbyte[64]));
  56         memcpy(mailbox, &m_nextMailBox, sizeof(m_nextMailBox));
  57         ++m_nextMailBox;
  58     }
  59
  60     void produceTexture(const WGC3Dbyte* mailboxName, unsigned syncPoint, PassOwnPtr<Texture> texture)
  61     {
  62         unsigned mailbox = 0;
  63         memcpy(&mailbox, mailboxName, sizeof(mailbox));
  64         ASSERT(mailbox && mailbox < m_nextMailBox);
  65         m_textures.set(mailbox, texture);
  66         ASSERT(m_syncPointForMailbox.get(mailbox) < syncPoint);
  67         m_syncPointForMailbox.set(mailbox, syncPoint);
  68     }
  69
  70     PassOwnPtr<Texture> consumeTexture(const WGC3Dbyte* mailboxName, unsigned syncPoint)
  71     {
  72         unsigned mailbox = 0;
  73         memcpy(&mailbox, mailboxName, sizeof(mailbox));
  74         ASSERT(mailbox && mailbox < m_nextMailBox);
  75
  76         // If the latest sync point the context has waited on is before the sync
  77         // point for when the mailbox was set, pretend we never saw that
  78         // produceTexture.
  79         if (m_syncPointForMailbox.get(mailbox) < syncPoint)
  80             return nullptr;
  81         return m_textures.take(mailbox);
  82     }
  83
  84 private:
  85     ContextSharedData()
  86         : m_nextSyncPoint(1)
  87         , m_nextMailBox(1)
  88     { }
  89
  90     unsigned m_nextSyncPoint;
  91     unsigned m_nextMailBox;
  92     typedef HashMap<unsigned, OwnPtr<Texture> > TextureMap;
  93     TextureMap m_textures;
  94     HashMap<unsigned, unsigned> m_syncPointForMailbox;
  95 };
  96
  97 class ResourceProviderContext : public CompositorFakeWebGraphicsContext3D {
  98 public:
  99     static PassOwnPtr<ResourceProviderContext> create(ContextSharedData* sharedData) { return adoptPtr(new ResourceProviderContext(Attributes(), sharedData)); }
 100
 101     virtual unsigned insertSyncPoint()
 102     {
 103         unsigned syncPoint = m_sharedData->insertSyncPoint();
 104         // Commit the produceTextureCHROMIUM calls at this point, so that
 105         // they're associated with the sync point.
 106         for (PendingProduceTextureList::iterator it = m_pendingProduceTextures.begin(); it != m_pendingProduceTextures.end(); ++it)
 107             m_sharedData->produceTexture((*it)->mailbox, syncPoint, (*it)->texture.release());
 108         m_pendingProduceTextures.clear();
 109         return syncPoint;
 110     }
 111
 112     virtual void waitSyncPoint(unsigned syncPoint)
 113     {
 114         m_lastWaitedSyncPoint = std::max(syncPoint, m_lastWaitedSyncPoint);
 115     }
 116
 117     virtual void bindTexture(WGC3Denum target, WebGLId texture)
 118     {
 119       ASSERT(target == GraphicsContext3D::TEXTURE_2D);
 120       ASSERT(!texture || m_textures.find(texture) != m_textures.end());
 121       m_currentTexture = texture;
 122     }
 123
 124     virtual WebGLId createTexture()
 125     {
 126         WebGLId id = CompositorFakeWebGraphicsContext3D::createTexture();
 127         m_textures.add(id, nullptr);
 128         return id;
 129     }
 130
 131     virtual void deleteTexture(WebGLId id)
 132     {
 133         TextureMap::iterator it = m_textures.find(id);
 134         ASSERT(it != m_textures.end());
 135         m_textures.remove(it);
 136         if (m_currentTexture == id)
 137             m_currentTexture = 0;
 138     }
 139
 140     virtual void texStorage2DEXT(WGC3Denum target, WGC3Dint levels, WGC3Duint internalformat,
 141                                  WGC3Dint width, WGC3Dint height)
 142     {
 143         ASSERT(m_currentTexture);
 144         ASSERT(target == GraphicsContext3D::TEXTURE_2D);
 145         ASSERT(levels == 1);
 146         WGC3Denum format = GraphicsContext3D::RGBA;
 147         switch (internalformat) {
 148         case Extensions3D::RGBA8_OES:
 149             break;
 150         case Extensions3DChromium::BGRA8_EXT:
 151             format = Extensions3D::BGRA_EXT;
 152             break;
 153         default:
 154             ASSERT_NOT_REACHED();
 155         }
 156         allocateTexture(IntSize(width, height), format);
 157     }
 158
 159     virtual void texImage2D(WGC3Denum target, WGC3Dint level, WGC3Denum internalformat, WGC3Dsizei width, WGC3Dsizei height, WGC3Dint border, WGC3Denum format, WGC3Denum type, const void* pixels)
 160     {
 161         ASSERT(m_currentTexture);
 162         ASSERT(target == GraphicsContext3D::TEXTURE_2D);
 163         ASSERT(!level);
 164         ASSERT(internalformat == format);
 165         ASSERT(!border);
 166         ASSERT(type == GraphicsContext3D::UNSIGNED_BYTE);
 167         allocateTexture(IntSize(width, height), format);
 168         if (pixels)
 169             setPixels(0, 0, width, height, pixels);
 170     }
 171
 172     virtual void texSubImage2D(WGC3Denum target, WGC3Dint level, WGC3Dint xoffset, WGC3Dint yoffset, WGC3Dsizei width, WGC3Dsizei height, WGC3Denum format, WGC3Denum type, const void* pixels)
 173     {
 174         ASSERT(m_currentTexture);
 175         ASSERT(target == GraphicsContext3D::TEXTURE_2D);
 176         ASSERT(!level);
 177         ASSERT(m_textures.get(m_currentTexture));
 178         ASSERT(m_textures.get(m_currentTexture)->format == format);
 179         ASSERT(type == GraphicsContext3D::UNSIGNED_BYTE);
 180         ASSERT(pixels);
 181         setPixels(xoffset, yoffset, width, height, pixels);
 182     }
 183
 184     virtual void genMailboxCHROMIUM(WGC3Dbyte* mailbox) { return m_sharedData->genMailbox(mailbox); }
 185     virtual void produceTextureCHROMIUM(WGC3Denum target, const WGC3Dbyte* mailbox)
 186     {
 187         ASSERT(m_currentTexture);
 188         ASSERT(target == GraphicsContext3D::TEXTURE_2D);
 189
 190         // Delay movind the texture into the mailbox until the next
 191         // insertSyncPoint, so that it is not visible to other contexts that
 192         // haven't waited on that sync point.
 193         OwnPtr<PendingProduceTexture> pending(adoptPtr(new PendingProduceTexture));
 194         memcpy(pending->mailbox, mailbox, sizeof(pending->mailbox));
 195         pending->texture = m_textures.take(m_currentTexture);
 196         m_textures.set(m_currentTexture, nullptr);
 197         m_pendingProduceTextures.append(pending.release());
 198     }
 199
 200     virtual void consumeTextureCHROMIUM(WGC3Denum target, const WGC3Dbyte* mailbox)
 201     {
 202         ASSERT(m_currentTexture);
 203         ASSERT(target == GraphicsContext3D::TEXTURE_2D);
 204         m_textures.set(m_currentTexture, m_sharedData->consumeTexture(mailbox, m_lastWaitedSyncPoint));
 205     }
 206
 207     void getPixels(const IntSize& size, WGC3Denum format, uint8_t* pixels)
 208     {
 209         ASSERT(m_currentTexture);
 210         Texture* texture = m_textures.get(m_currentTexture);
 211         ASSERT(texture);
 212         ASSERT(texture->size == size);
 213         ASSERT(texture->format == format);
 214         memcpy(pixels, texture->data.get(), textureSize(size, format));
 215     }
 216
 217     int textureCount()
 218     {
 219         return m_textures.size();
 220     }
 221
 222 protected:
 223     ResourceProviderContext(const Attributes& attrs, ContextSharedData* sharedData)
 224         : CompositorFakeWebGraphicsContext3D(attrs)
 225         , m_sharedData(sharedData)
 226         , m_currentTexture(0)
 227         , m_lastWaitedSyncPoint(0)
 228     { }
 229
 230 private:
 231     void allocateTexture(const IntSize& size, WGC3Denum format)
 232     {
 233         ASSERT(m_currentTexture);
 234         m_textures.set(m_currentTexture, adoptPtr(new Texture(size, format)));
 235     }
 236
 237     void setPixels(int xoffset, int yoffset, int width, int height, const void* pixels)
 238     {
 239         ASSERT(m_currentTexture);
 240         Texture* texture = m_textures.get(m_currentTexture);
 241         ASSERT(texture);
 242         ASSERT(xoffset >= 0 && xoffset+width <= texture->size.width());
 243         ASSERT(yoffset >= 0 && yoffset+height <= texture->size.height());
 244         ASSERT(pixels);
 245         size_t inPitch = textureSize(IntSize(width, 1), texture->format);
 246         size_t outPitch = textureSize(IntSize(texture->size.width(), 1), texture->format);
 247         uint8_t* dest = texture->data.get() + yoffset * outPitch + textureSize(IntSize(xoffset, 1), texture->format);
 248         const uint8_t* src = static_cast<const uint8_t*>(pixels);
 249         for (int i = 0; i < height; ++i) {
 250             memcpy(dest, src, inPitch);
 251             dest += outPitch;
 252             src += inPitch;
 253         }
 254     }
 255
 256     typedef HashMap<WebGLId, OwnPtr<Texture> > TextureMap;
 257     struct PendingProduceTexture {
 258         WGC3Dbyte mailbox[64];
 259         OwnPtr<Texture> texture;
 260     };
 261     typedef Deque<OwnPtr<PendingProduceTexture> > PendingProduceTextureList;
 262     ContextSharedData* m_sharedData;
 263     WebGLId m_currentTexture;
 264     TextureMap m_textures;
 265     unsigned m_lastWaitedSyncPoint;
 266     PendingProduceTextureList m_pendingProduceTextures;
 267 };
 268
 269 class CCResourceProviderTest : public testing::TestWithParam<CCResourceProvider::ResourceType> {
 270 public:
 271     CCResourceProviderTest()
 272         : m_sharedData(ContextSharedData::create())
 273         , m_context(FakeWebCompositorOutputSurface::create(ResourceProviderContext::create(m_sharedData.get())))
 274         , m_resourceProvider(CCResourceProvider::create(m_context.get()))
 275     {
 276         m_resourceProvider->setDefaultResourceType(GetParam());
 277     }
 278
 279     ResourceProviderContext* context() { return static_cast<ResourceProviderContext*>(m_context->context3D()); }
 280
 281     void getResourcePixels(CCResourceProvider::ResourceId id, const IntSize& size, WGC3Denum format, uint8_t* pixels)
 282     {
 283         if (GetParam() == CCResourceProvider::GLTexture) {
 284             CCResourceProvider::ScopedReadLockGL lockGL(m_resourceProvider.get(), id);
 285             ASSERT_NE(0U, lockGL.textureId());
 286             context()->bindTexture(GraphicsContext3D::TEXTURE_2D, lockGL.textureId());
 287             context()->getPixels(size, format, pixels);
 288         } else if (GetParam() == CCResourceProvider::Bitmap) {
 289             CCResourceProvider::ScopedReadLockSoftware lockSoftware(m_resourceProvider.get(), id);
 290             memcpy(pixels, lockSoftware.skBitmap()->getPixels(), lockSoftware.skBitmap()->getSize());
 291         }
 292     }
 293
 294     void expectNumResources(int count)
 295     {
 296         EXPECT_EQ(count, static_cast<int>(m_resourceProvider->numResources()));
 297         if (GetParam() == CCResourceProvider::GLTexture)
 298             EXPECT_EQ(count, context()->textureCount());
 299     }
 300
 301 protected:
 302     DebugScopedSetImplThread implThread;
 303     OwnPtr<ContextSharedData> m_sharedData;
 304     scoped_ptr<CCGraphicsContext> m_context;
 305     OwnPtr<CCResourceProvider> m_resourceProvider;
 306 };
 307
 308 TEST_P(CCResourceProviderTest, Basic)
 309 {
 310     IntSize size(1, 1);
 311     WGC3Denum format = GraphicsContext3D::RGBA;
 312     int pool = 1;
 313     size_t pixelSize = textureSize(size, format);
 314     ASSERT_EQ(4U, pixelSize);
 315
 316     CCResourceProvider::ResourceId id = m_resourceProvider->createResource(pool, size, format, CCResourceProvider::TextureUsageAny);
 317     expectNumResources(1);
 318
 319     uint8_t data[4] = {1, 2, 3, 4};
 320     IntRect rect(IntPoint(), size);
 321     m_resourceProvider->upload(id, data, rect, rect, IntSize());
 322
 323     uint8_t result[4] = {0};
 324     getResourcePixels(id, size, format, result);
 325     EXPECT_EQ(0, memcmp(data, result, pixelSize));
 326
 327     m_resourceProvider->deleteResource(id);
 328     expectNumResources(0);
 329 }
 330
 331 TEST_P(CCResourceProviderTest, DeleteOwnedResources)
 332 {
 333     IntSize size(1, 1);
 334     WGC3Denum format = GraphicsContext3D::RGBA;
 335     int pool = 1;
 336
 337     const int count = 3;
 338     for (int i = 0; i < count; ++i)
 339         m_resourceProvider->createResource(pool, size, format, CCResourceProvider::TextureUsageAny);
 340     expectNumResources(3);
 341
 342     m_resourceProvider->deleteOwnedResources(pool+1);
 343     expectNumResources(3);
 344
 345     m_resourceProvider->deleteOwnedResources(pool);
 346     expectNumResources(0);
 347 }
 348
 349 TEST_P(CCResourceProviderTest, Upload)
 350 {
 351     IntSize size(2, 2);
 352     WGC3Denum format = GraphicsContext3D::RGBA;
 353     int pool = 1;
 354     size_t pixelSize = textureSize(size, format);
 355     ASSERT_EQ(16U, pixelSize);
 356
 357     CCResourceProvider::ResourceId id = m_resourceProvider->createResource(pool, size, format, CCResourceProvider::TextureUsageAny);
 358
 359     uint8_t image[16] = {0};
 360     IntRect imageRect(IntPoint(), size);
 361     m_resourceProvider->upload(id, image, imageRect, imageRect, IntSize());
 362
 363     for (uint8_t i = 0 ; i < pixelSize; ++i)
 364         image[i] = i;
 365
 366     uint8_t result[16] = {0};
 367     {
 368         IntRect sourceRect(0, 0, 1, 1);
 369         IntSize destOffset(0, 0);
 370         m_resourceProvider->upload(id, image, imageRect, sourceRect, destOffset);
 371
 372         uint8_t expected[16] = {0, 1, 2, 3,   0, 0, 0, 0,
 373                                 0, 0, 0, 0,   0, 0, 0, 0};
 374         getResourcePixels(id, size, format, result);
 375         EXPECT_EQ(0, memcmp(expected, result, pixelSize));
 376     }
 377     {
 378         IntRect sourceRect(0, 0, 1, 1);
 379         IntSize destOffset(1, 1);
 380         m_resourceProvider->upload(id, image, imageRect, sourceRect, destOffset);
 381
 382         uint8_t expected[16] = {0, 1, 2, 3,   0, 0, 0, 0,
 383                                 0, 0, 0, 0,   0, 1, 2, 3};
 384         getResourcePixels(id, size, format, result);
 385         EXPECT_EQ(0, memcmp(expected, result, pixelSize));
 386     }
 387     {
 388         IntRect sourceRect(1, 0, 1, 1);
 389         IntSize destOffset(0, 1);
 390         m_resourceProvider->upload(id, image, imageRect, sourceRect, destOffset);
 391
 392         uint8_t expected[16] = {0, 1, 2, 3,   0, 0, 0, 0,
 393                                 4, 5, 6, 7,   0, 1, 2, 3};
 394         getResourcePixels(id, size, format, result);
 395         EXPECT_EQ(0, memcmp(expected, result, pixelSize));
 396     }
 397     {
 398         IntRect offsetImageRect(IntPoint(100, 100), size);
 399         IntRect sourceRect(100, 100, 1, 1);
 400         IntSize destOffset(1, 0);
 401         m_resourceProvider->upload(id, image, offsetImageRect, sourceRect, destOffset);
 402
 403         uint8_t expected[16] = {0, 1, 2, 3,   0, 1, 2, 3,
 404                                 4, 5, 6, 7,   0, 1, 2, 3};
 405         getResourcePixels(id, size, format, result);
 406         EXPECT_EQ(0, memcmp(expected, result, pixelSize));
 407     }
 408
 409
 410     m_resourceProvider->deleteResource(id);
 411 }
 412
 413 TEST_P(CCResourceProviderTest, TransferResources)
 414 {
 415     // Resource transfer is only supported with GL textures for now.
 416     if (GetParam() != CCResourceProvider::GLTexture)
 417         return;
 418
 419     scoped_ptr<CCGraphicsContext> childContext(FakeWebCompositorOutputSurface::create(ResourceProviderContext::create(m_sharedData.get())));
 420     OwnPtr<CCResourceProvider> childResourceProvider(CCResourceProvider::create(childContext.get()));
 421
 422     IntSize size(1, 1);
 423     WGC3Denum format = GraphicsContext3D::RGBA;
 424     int pool = 1;
 425     size_t pixelSize = textureSize(size, format);
 426     ASSERT_EQ(4U, pixelSize);
 427
 428     CCResourceProvider::ResourceId id1 = childResourceProvider->createResource(pool, size, format, CCResourceProvider::TextureUsageAny);
 429     uint8_t data1[4] = {1, 2, 3, 4};
 430     IntRect rect(IntPoint(), size);
 431     childResourceProvider->upload(id1, data1, rect, rect, IntSize());
 432
 433     CCResourceProvider::ResourceId id2 = childResourceProvider->createResource(pool, size, format, CCResourceProvider::TextureUsageAny);
 434     uint8_t data2[4] = {5, 5, 5, 5};
 435     childResourceProvider->upload(id2, data2, rect, rect, IntSize());
 436
 437     int childPool = 2;
 438     int childId = m_resourceProvider->createChild(childPool);
 439
 440     {
 441         // Transfer some resources to the parent.
 442         CCResourceProvider::ResourceIdArray resourceIdsToTransfer;
 443         resourceIdsToTransfer.append(id1);
 444         resourceIdsToTransfer.append(id2);
 445         CCResourceProvider::TransferableResourceList list = childResourceProvider->prepareSendToParent(resourceIdsToTransfer);
 446         EXPECT_NE(0u, list.syncPoint);
 447         EXPECT_EQ(2u, list.resources.size());
 448         EXPECT_TRUE(childResourceProvider->inUseByConsumer(id1));
 449         EXPECT_TRUE(childResourceProvider->inUseByConsumer(id2));
 450         m_resourceProvider->receiveFromChild(childId, list);
 451     }
 452
 453     EXPECT_EQ(2u, m_resourceProvider->numResources());
 454     EXPECT_EQ(2u, m_resourceProvider->mailboxCount());
 455     CCResourceProvider::ResourceIdMap resourceMap = m_resourceProvider->getChildToParentMap(childId);
 456     CCResourceProvider::ResourceId mappedId1 = resourceMap.get(id1);
 457     CCResourceProvider::ResourceId mappedId2 = resourceMap.get(id2);
 458     EXPECT_NE(0u, mappedId1);
 459     EXPECT_NE(0u, mappedId2);
 460     EXPECT_FALSE(m_resourceProvider->inUseByConsumer(id1));
 461     EXPECT_FALSE(m_resourceProvider->inUseByConsumer(id2));
 462
 463     uint8_t result[4] = {0};
 464     getResourcePixels(mappedId1, size, format, result);
 465     EXPECT_EQ(0, memcmp(data1, result, pixelSize));
 466
 467     getResourcePixels(mappedId2, size, format, result);
 468     EXPECT_EQ(0, memcmp(data2, result, pixelSize));
 469
 470     {
 471         // Check that transfering again the same resource from the child to the
 472         // parent is a noop.
 473         CCResourceProvider::ResourceIdArray resourceIdsToTransfer;
 474         resourceIdsToTransfer.append(id1);
 475         CCResourceProvider::TransferableResourceList list = childResourceProvider->prepareSendToParent(resourceIdsToTransfer);
 476         EXPECT_EQ(0u, list.syncPoint);
 477         EXPECT_EQ(0u, list.resources.size());
 478     }
 479
 480     {
 481         // Transfer resources back from the parent to the child.
 482         CCResourceProvider::ResourceIdArray resourceIdsToTransfer;
 483         resourceIdsToTransfer.append(mappedId1);
 484         resourceIdsToTransfer.append(mappedId2);
 485         CCResourceProvider::TransferableResourceList list = m_resourceProvider->prepareSendToChild(childId, resourceIdsToTransfer);
 486         EXPECT_NE(0u, list.syncPoint);
 487         EXPECT_EQ(2u, list.resources.size());
 488         childResourceProvider->receiveFromParent(list);
 489     }
 490     EXPECT_EQ(0u, m_resourceProvider->mailboxCount());
 491     EXPECT_EQ(2u, childResourceProvider->mailboxCount());
 492     EXPECT_FALSE(childResourceProvider->inUseByConsumer(id1));
 493     EXPECT_FALSE(childResourceProvider->inUseByConsumer(id2));
 494
 495     ResourceProviderContext* childContext3D = static_cast<ResourceProviderContext*>(childContext->context3D());
 496     {
 497         CCResourceProvider::ScopedReadLockGL lock(childResourceProvider.get(), id1);
 498         ASSERT_NE(0U, lock.textureId());
 499         childContext3D->bindTexture(GraphicsContext3D::TEXTURE_2D, lock.textureId());
 500         childContext3D->getPixels(size, format, result);
 501         EXPECT_EQ(0, memcmp(data1, result, pixelSize));
 502     }
 503     {
 504         CCResourceProvider::ScopedReadLockGL lock(childResourceProvider.get(), id2);
 505         ASSERT_NE(0U, lock.textureId());
 506         childContext3D->bindTexture(GraphicsContext3D::TEXTURE_2D, lock.textureId());
 507         childContext3D->getPixels(size, format, result);
 508         EXPECT_EQ(0, memcmp(data2, result, pixelSize));
 509     }
 510
 511     {
 512         // Transfer resources to the parent again.
 513         CCResourceProvider::ResourceIdArray resourceIdsToTransfer;
 514         resourceIdsToTransfer.append(id1);
 515         resourceIdsToTransfer.append(id2);
 516         CCResourceProvider::TransferableResourceList list = childResourceProvider->prepareSendToParent(resourceIdsToTransfer);
 517         EXPECT_NE(0u, list.syncPoint);
 518         EXPECT_EQ(2u, list.resources.size());
 519         EXPECT_TRUE(childResourceProvider->inUseByConsumer(id1));
 520         EXPECT_TRUE(childResourceProvider->inUseByConsumer(id2));
 521         m_resourceProvider->receiveFromChild(childId, list);
 522     }
 523
 524     EXPECT_EQ(2u, m_resourceProvider->numResources());
 525     m_resourceProvider->destroyChild(childId);
 526     EXPECT_EQ(0u, m_resourceProvider->numResources());
 527     EXPECT_EQ(0u, m_resourceProvider->mailboxCount());
 528 }
 529
 530 INSTANTIATE_TEST_CASE_P(CCResourceProviderTests,
 531                         CCResourceProviderTest,
 532                         ::testing::Values(CCResourceProvider::GLTexture,
 533                                           CCResourceProvider::Bitmap));
 534
 535 } // namespace