src/cc/layers/delegated_frame_provider_unittest.cc

   1 // Copyright 2013 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 "cc/layers/delegated_frame_provider.h"
   6 #include "cc/layers/delegated_frame_resource_collection.h"
   7 #include "cc/layers/delegated_renderer_layer.h"
   8 #include "cc/output/delegated_frame_data.h"
   9 #include "cc/quads/texture_draw_quad.h"
  10 #include "cc/resources/returned_resource.h"
  11 #include "cc/resources/transferable_resource.h"
  12 #include "testing/gtest/include/gtest/gtest.h"
  13
  14 namespace cc {
  15 namespace {
  16
  17 class DelegatedFrameProviderTest
  18     : public testing::Test,
  19       public DelegatedFrameResourceCollectionClient {
  20  protected:
  21   DelegatedFrameProviderTest() : resources_available_(false) {}
  22
  23   scoped_ptr<DelegatedFrameData> CreateFrameData(
  24           const gfx::Rect& root_output_rect,
  25           const gfx::Rect& root_damage_rect) {
  26     scoped_ptr<DelegatedFrameData> frame(new DelegatedFrameData);
  27
  28     scoped_ptr<RenderPass> root_pass(RenderPass::Create());
  29     root_pass->SetNew(RenderPass::Id(1, 1),
  30                       root_output_rect,
  31                       root_damage_rect,
  32                       gfx::Transform());
  33     frame->render_pass_list.push_back(root_pass.Pass());
  34     return frame.Pass();
  35   }
  36
  37   void AddTransferableResource(DelegatedFrameData* frame,
  38                                ResourceProvider::ResourceId resource_id) {
  39     TransferableResource resource;
  40     resource.id = resource_id;
  41     resource.mailbox_holder.texture_target = GL_TEXTURE_2D;
  42     frame->resource_list.push_back(resource);
  43   }
  44
  45   void AddTextureQuad(DelegatedFrameData* frame,
  46                       ResourceProvider::ResourceId resource_id) {
  47     SharedQuadState* sqs =
  48         frame->render_pass_list[0]->CreateAndAppendSharedQuadState();
  49     TextureDrawQuad* quad =
  50         frame->render_pass_list[0]->CreateAndAppendDrawQuad<TextureDrawQuad>();
  51     float vertex_opacity[4] = {1.f, 1.f, 1.f, 1.f};
  52     quad->SetNew(sqs,
  53                  gfx::Rect(0, 0, 10, 10),
  54                  gfx::Rect(0, 0, 10, 10),
  55                  gfx::Rect(0, 0, 10, 10),
  56                  resource_id,
  57                  false,
  58                  gfx::PointF(0.f, 0.f),
  59                  gfx::PointF(1.f, 1.f),
  60                  SK_ColorTRANSPARENT,
  61                  vertex_opacity,
  62                  false);
  63   }
  64
  65   virtual void SetUp() OVERRIDE {
  66     resource_collection_ = new DelegatedFrameResourceCollection;
  67     resource_collection_->SetClient(this);
  68   }
  69
  70   virtual void TearDown() OVERRIDE { resource_collection_->SetClient(NULL); }
  71
  72   virtual void UnusedResourcesAreAvailable() OVERRIDE {
  73     resources_available_ = true;
  74     resource_collection_->TakeUnusedResourcesForChildCompositor(&resources_);
  75   }
  76
  77   bool ReturnAndResetResourcesAvailable() {
  78     bool r = resources_available_;
  79     resources_available_ = false;
  80     return r;
  81   }
  82
  83   void SetFrameProvider(scoped_ptr<DelegatedFrameData> frame_data) {
  84     frame_provider_ =
  85         new DelegatedFrameProvider(resource_collection_, frame_data.Pass());
  86   }
  87
  88   scoped_refptr<DelegatedFrameResourceCollection> resource_collection_;
  89   scoped_refptr<DelegatedFrameProvider> frame_provider_;
  90   bool resources_available_;
  91   ReturnedResourceArray resources_;
  92 };
  93
  94 TEST_F(DelegatedFrameProviderTest, SameResources) {
  95   scoped_ptr<DelegatedFrameData> frame =
  96       CreateFrameData(gfx::Rect(1, 1), gfx::Rect(1, 1));
  97   AddTextureQuad(frame.get(), 444);
  98   AddTransferableResource(frame.get(), 444);
  99   SetFrameProvider(frame.Pass());
 100
 101   frame = CreateFrameData(gfx::Rect(1, 1), gfx::Rect(1, 1));
 102   AddTextureQuad(frame.get(), 444);
 103   AddTransferableResource(frame.get(), 444);
 104   SetFrameProvider(frame.Pass());
 105
 106   EXPECT_FALSE(ReturnAndResetResourcesAvailable());
 107   EXPECT_EQ(0u, resources_.size());
 108
 109   frame_provider_ = NULL;
 110
 111   EXPECT_TRUE(ReturnAndResetResourcesAvailable());
 112   EXPECT_EQ(1u, resources_.size());
 113   EXPECT_EQ(444u, resources_[0].id);
 114 }
 115
 116 TEST_F(DelegatedFrameProviderTest, ReplaceResources) {
 117   scoped_ptr<DelegatedFrameData> frame =
 118       CreateFrameData(gfx::Rect(1, 1), gfx::Rect(1, 1));
 119   AddTextureQuad(frame.get(), 444);
 120   AddTransferableResource(frame.get(), 444);
 121   SetFrameProvider(frame.Pass());
 122
 123   EXPECT_FALSE(ReturnAndResetResourcesAvailable());
 124
 125   frame = CreateFrameData(gfx::Rect(1, 1), gfx::Rect(1, 1));
 126   AddTextureQuad(frame.get(), 555);
 127   AddTransferableResource(frame.get(), 555);
 128   SetFrameProvider(frame.Pass());
 129
 130   EXPECT_TRUE(ReturnAndResetResourcesAvailable());
 131   EXPECT_EQ(1u, resources_.size());
 132   EXPECT_EQ(444u, resources_[0].id);
 133   resources_.clear();
 134
 135   frame_provider_ = NULL;
 136
 137   EXPECT_TRUE(ReturnAndResetResourcesAvailable());
 138   EXPECT_EQ(1u, resources_.size());
 139   EXPECT_EQ(555u, resources_[0].id);
 140 }
 141
 142 TEST_F(DelegatedFrameProviderTest, RefResources) {
 143   scoped_ptr<DelegatedFrameData> frame =
 144       CreateFrameData(gfx::Rect(5, 5), gfx::Rect(2, 2));
 145   AddTextureQuad(frame.get(), 444);
 146   AddTransferableResource(frame.get(), 444);
 147
 148   TransferableResourceArray reffed = frame->resource_list;
 149   ReturnedResourceArray returned;
 150   TransferableResource::ReturnResources(reffed, &returned);
 151
 152   SetFrameProvider(frame.Pass());
 153
 154   scoped_refptr<DelegatedRendererLayer> observer1 =
 155       DelegatedRendererLayer::Create(frame_provider_);
 156   scoped_refptr<DelegatedRendererLayer> observer2 =
 157       DelegatedRendererLayer::Create(frame_provider_);
 158
 159   gfx::RectF damage;
 160
 161   // Both observers get a full frame of damage on the first request.
 162   frame_provider_->GetFrameDataAndRefResources(observer1, &damage);
 163   EXPECT_EQ(gfx::RectF(5.f, 5.f).ToString(), damage.ToString());
 164   frame_provider_->GetFrameDataAndRefResources(observer2, &damage);
 165   EXPECT_EQ(gfx::RectF(5.f, 5.f).ToString(), damage.ToString());
 166
 167   // And both get no damage on the 2nd request. This adds a second ref to the
 168   // resources.
 169   frame_provider_->GetFrameDataAndRefResources(observer1, &damage);
 170   EXPECT_EQ(gfx::RectF().ToString(), damage.ToString());
 171   frame_provider_->GetFrameDataAndRefResources(observer2, &damage);
 172   EXPECT_EQ(gfx::RectF().ToString(), damage.ToString());
 173
 174   EXPECT_FALSE(ReturnAndResetResourcesAvailable());
 175
 176   frame = CreateFrameData(gfx::Rect(5, 5), gfx::Rect(2, 2));
 177   AddTextureQuad(frame.get(), 555);
 178   AddTransferableResource(frame.get(), 555);
 179   frame_provider_->SetFrameData(frame.Pass());
 180
 181   // The resources from the first frame are still reffed by the observers.
 182   EXPECT_FALSE(ReturnAndResetResourcesAvailable());
 183
 184   // There are 4 refs taken.
 185   frame_provider_->UnrefResourcesOnMainThread(returned);
 186   EXPECT_FALSE(ReturnAndResetResourcesAvailable());
 187   frame_provider_->UnrefResourcesOnMainThread(returned);
 188   EXPECT_FALSE(ReturnAndResetResourcesAvailable());
 189   frame_provider_->UnrefResourcesOnMainThread(returned);
 190   EXPECT_FALSE(ReturnAndResetResourcesAvailable());
 191
 192   // The 4th unref will release them.
 193   frame_provider_->UnrefResourcesOnMainThread(returned);
 194
 195   EXPECT_TRUE(ReturnAndResetResourcesAvailable());
 196   EXPECT_EQ(1u, resources_.size());
 197   EXPECT_EQ(444u, resources_[0].id);
 198 }
 199
 200 TEST_F(DelegatedFrameProviderTest, RefResourcesInFrameProvider) {
 201   scoped_ptr<DelegatedFrameData> frame =
 202       CreateFrameData(gfx::Rect(5, 5), gfx::Rect(2, 2));
 203   AddTextureQuad(frame.get(), 444);
 204   AddTransferableResource(frame.get(), 444);
 205
 206   TransferableResourceArray reffed = frame->resource_list;
 207   ReturnedResourceArray returned;
 208   TransferableResource::ReturnResources(reffed, &returned);
 209
 210   SetFrameProvider(frame.Pass());
 211
 212   scoped_refptr<DelegatedRendererLayer> observer1 =
 213       DelegatedRendererLayer::Create(frame_provider_);
 214   scoped_refptr<DelegatedRendererLayer> observer2 =
 215       DelegatedRendererLayer::Create(frame_provider_);
 216
 217   gfx::RectF damage;
 218
 219   // Take a ref on each observer.
 220   frame_provider_->GetFrameDataAndRefResources(observer1, &damage);
 221   frame_provider_->GetFrameDataAndRefResources(observer2, &damage);
 222
 223   EXPECT_FALSE(ReturnAndResetResourcesAvailable());
 224
 225   // Release both refs. But there's still a ref held in the frame
 226   // provider itself.
 227   frame_provider_->UnrefResourcesOnMainThread(returned);
 228   frame_provider_->UnrefResourcesOnMainThread(returned);
 229   EXPECT_FALSE(ReturnAndResetResourcesAvailable());
 230
 231   // Setting a new frame will release it.
 232   frame = CreateFrameData(gfx::Rect(5, 5), gfx::Rect(2, 2));
 233   AddTextureQuad(frame.get(), 555);
 234   AddTransferableResource(frame.get(), 555);
 235   frame_provider_->SetFrameData(frame.Pass());
 236
 237   EXPECT_TRUE(ReturnAndResetResourcesAvailable());
 238   EXPECT_EQ(1u, resources_.size());
 239   EXPECT_EQ(444u, resources_[0].id);
 240 }
 241
 242 TEST_F(DelegatedFrameProviderTest, RefResourcesInFrameProviderUntilDestroy) {
 243   scoped_ptr<DelegatedFrameData> frame =
 244       CreateFrameData(gfx::Rect(5, 5), gfx::Rect(2, 2));
 245   AddTextureQuad(frame.get(), 444);
 246   AddTransferableResource(frame.get(), 444);
 247
 248   TransferableResourceArray reffed = frame->resource_list;
 249   ReturnedResourceArray returned;
 250   TransferableResource::ReturnResources(reffed, &returned);
 251
 252   SetFrameProvider(frame.Pass());
 253
 254   scoped_refptr<DelegatedRendererLayer> observer1 =
 255       DelegatedRendererLayer::Create(frame_provider_);
 256   scoped_refptr<DelegatedRendererLayer> observer2 =
 257       DelegatedRendererLayer::Create(frame_provider_);
 258
 259   gfx::RectF damage;
 260
 261   // Take a ref on each observer.
 262   frame_provider_->GetFrameDataAndRefResources(observer1, &damage);
 263   frame_provider_->GetFrameDataAndRefResources(observer2, &damage);
 264
 265   EXPECT_FALSE(ReturnAndResetResourcesAvailable());
 266
 267   // Release both refs. But there's still a ref held in the frame
 268   // provider itself.
 269   frame_provider_->UnrefResourcesOnMainThread(returned);
 270   frame_provider_->UnrefResourcesOnMainThread(returned);
 271   EXPECT_FALSE(ReturnAndResetResourcesAvailable());
 272
 273   // Releasing all references to the frame provider will release
 274   // the frame.
 275   observer1 = NULL;
 276   observer2 = NULL;
 277   EXPECT_FALSE(ReturnAndResetResourcesAvailable());
 278
 279   frame_provider_ = NULL;
 280
 281   EXPECT_TRUE(ReturnAndResetResourcesAvailable());
 282   EXPECT_EQ(1u, resources_.size());
 283   EXPECT_EQ(444u, resources_[0].id);
 284 }
 285
 286 TEST_F(DelegatedFrameProviderTest, Damage) {
 287   scoped_ptr<DelegatedFrameData> frame =
 288       CreateFrameData(gfx::Rect(5, 5), gfx::Rect(2, 2));
 289   AddTextureQuad(frame.get(), 444);
 290   AddTransferableResource(frame.get(), 444);
 291
 292   TransferableResourceArray reffed = frame->resource_list;
 293   ReturnedResourceArray returned;
 294   TransferableResource::ReturnResources(reffed, &returned);
 295
 296   SetFrameProvider(frame.Pass());
 297
 298   scoped_refptr<DelegatedRendererLayer> observer1 =
 299       DelegatedRendererLayer::Create(frame_provider_);
 300   scoped_refptr<DelegatedRendererLayer> observer2 =
 301       DelegatedRendererLayer::Create(frame_provider_);
 302
 303   gfx::RectF damage;
 304
 305   // Both observers get a full frame of damage on the first request.
 306   frame_provider_->GetFrameDataAndRefResources(observer1, &damage);
 307   EXPECT_EQ(gfx::RectF(5.f, 5.f).ToString(), damage.ToString());
 308   frame_provider_->GetFrameDataAndRefResources(observer2, &damage);
 309   EXPECT_EQ(gfx::RectF(5.f, 5.f).ToString(), damage.ToString());
 310
 311   // And both get no damage on the 2nd request.
 312   frame_provider_->GetFrameDataAndRefResources(observer1, &damage);
 313   EXPECT_EQ(gfx::RectF().ToString(), damage.ToString());
 314   frame_provider_->GetFrameDataAndRefResources(observer2, &damage);
 315   EXPECT_EQ(gfx::RectF().ToString(), damage.ToString());
 316
 317   frame = CreateFrameData(gfx::Rect(5, 5), gfx::Rect(2, 2));
 318   AddTextureQuad(frame.get(), 555);
 319   AddTransferableResource(frame.get(), 555);
 320   frame_provider_->SetFrameData(frame.Pass());
 321
 322   // Both observers get the damage for the new frame.
 323   frame_provider_->GetFrameDataAndRefResources(observer1, &damage);
 324   EXPECT_EQ(gfx::RectF(2.f, 2.f).ToString(), damage.ToString());
 325   frame_provider_->GetFrameDataAndRefResources(observer2, &damage);
 326   EXPECT_EQ(gfx::RectF(2.f, 2.f).ToString(), damage.ToString());
 327
 328   // And both get no damage on the 2nd request.
 329   frame_provider_->GetFrameDataAndRefResources(observer1, &damage);
 330   EXPECT_EQ(gfx::RectF().ToString(), damage.ToString());
 331   frame_provider_->GetFrameDataAndRefResources(observer2, &damage);
 332   EXPECT_EQ(gfx::RectF().ToString(), damage.ToString());
 333 }
 334
 335 TEST_F(DelegatedFrameProviderTest, LostNothing) {
 336   scoped_ptr<DelegatedFrameData> frame =
 337       CreateFrameData(gfx::Rect(5, 5), gfx::Rect(5, 5));
 338
 339   TransferableResourceArray reffed = frame->resource_list;
 340
 341   SetFrameProvider(frame.Pass());
 342
 343   // There is nothing to lose.
 344   EXPECT_FALSE(ReturnAndResetResourcesAvailable());
 345   EXPECT_FALSE(resource_collection_->LoseAllResources());
 346   EXPECT_FALSE(ReturnAndResetResourcesAvailable());
 347   EXPECT_EQ(0u, resources_.size());
 348 }
 349
 350 TEST_F(DelegatedFrameProviderTest, LostSomething) {
 351   scoped_ptr<DelegatedFrameData> frame =
 352       CreateFrameData(gfx::Rect(5, 5), gfx::Rect(5, 5));
 353   AddTextureQuad(frame.get(), 444);
 354   AddTransferableResource(frame.get(), 444);
 355
 356   SetFrameProvider(frame.Pass());
 357
 358   // Add a second reference on the resource.
 359   frame = CreateFrameData(gfx::Rect(5, 5), gfx::Rect(5, 5));
 360   AddTextureQuad(frame.get(), 444);
 361   AddTransferableResource(frame.get(), 444);
 362
 363   SetFrameProvider(frame.Pass());
 364
 365   // There is something to lose.
 366   EXPECT_FALSE(ReturnAndResetResourcesAvailable());
 367   EXPECT_TRUE(resource_collection_->LoseAllResources());
 368   EXPECT_TRUE(ReturnAndResetResourcesAvailable());
 369
 370   EXPECT_EQ(1u, resources_.size());
 371   EXPECT_EQ(444u, resources_[0].id);
 372   EXPECT_EQ(2, resources_[0].count);
 373 }
 374
 375 TEST_F(DelegatedFrameProviderTest, NothingReturnedAfterLoss) {
 376   scoped_ptr<DelegatedFrameData> frame =
 377       CreateFrameData(gfx::Rect(1, 1), gfx::Rect(1, 1));
 378   AddTextureQuad(frame.get(), 444);
 379   AddTransferableResource(frame.get(), 444);
 380   SetFrameProvider(frame.Pass());
 381
 382   EXPECT_FALSE(ReturnAndResetResourcesAvailable());
 383
 384   // Lose all the resources.
 385   EXPECT_TRUE(resource_collection_->LoseAllResources());
 386   EXPECT_TRUE(ReturnAndResetResourcesAvailable());
 387   resources_.clear();
 388
 389   frame_provider_ = NULL;
 390
 391   // Nothing is returned twice.
 392   EXPECT_FALSE(ReturnAndResetResourcesAvailable());
 393   EXPECT_EQ(0u, resources_.size());
 394 }
 395
 396 }  // namespace
 397 }  // namespace cc