Revert "[DisplayList] Allow random access to ops through indexing" (flutter#54661)

Reverts flutter#54484

Fixes flutter/flutter#153737

Author: bdero

display_list/benchmarking/dl_builder_benchmarks.cc

@@ -220,60 +220,6 @@ static void BM_DisplayListDispatchDefault(
   }
 }
 
-static void BM_DisplayListDispatchByIndexDefault(
-    benchmark::State& state,
-    DisplayListDispatchBenchmarkType type) {
-  bool prepare_rtree = NeedPrepareRTree(type);
-  DisplayListBuilder builder(prepare_rtree);
-  for (int i = 0; i < 5; i++) {
-    InvokeAllOps(builder);
-  }
-  auto display_list = builder.Build();
-  DlOpReceiverIgnore receiver;
-  while (state.KeepRunning()) {
-    DlIndex end = display_list->GetRecordCount();
-    for (DlIndex i = 0u; i < end; i++) {
-      display_list->Dispatch(receiver, i);
-    }
-  }
-}
-
-static void BM_DisplayListDispatchByIteratorDefault(
-    benchmark::State& state,
-    DisplayListDispatchBenchmarkType type) {
-  bool prepare_rtree = NeedPrepareRTree(type);
-  DisplayListBuilder builder(prepare_rtree);
-  for (int i = 0; i < 5; i++) {
-    InvokeAllOps(builder);
-  }
-  auto display_list = builder.Build();
-  DlOpReceiverIgnore receiver;
-  while (state.KeepRunning()) {
-    for (DlIndex i : *display_list) {
-      display_list->Dispatch(receiver, i);
-    }
-  }
-}
-
-static void BM_DisplayListDispatchByVectorDefault(
-    benchmark::State& state,
-    DisplayListDispatchBenchmarkType type) {
-  bool prepare_rtree = NeedPrepareRTree(type);
-  DisplayListBuilder builder(prepare_rtree);
-  for (int i = 0; i < 5; i++) {
-    InvokeAllOps(builder);
-  }
-  auto display_list = builder.Build();
-  DlOpReceiverIgnore receiver;
-  while (state.KeepRunning()) {
-    std::vector<DlIndex> indices =
-        display_list->GetCulledIndices(display_list->bounds());
-    for (DlIndex index : indices) {
-      display_list->Dispatch(receiver, index);
-    }
-  }
-}
-
 static void BM_DisplayListDispatchCull(benchmark::State& state,
                                        DisplayListDispatchBenchmarkType type) {
   bool prepare_rtree = NeedPrepareRTree(type);
@@ -290,26 +236,6 @@ static void BM_DisplayListDispatchCull(benchmark::State& state,
   }
 }
 
-static void BM_DisplayListDispatchByVectorCull(
-    benchmark::State& state,
-    DisplayListDispatchBenchmarkType type) {
-  bool prepare_rtree = NeedPrepareRTree(type);
-  DisplayListBuilder builder(prepare_rtree);
-  for (int i = 0; i < 5; i++) {
-    InvokeAllOps(builder);
-  }
-  auto display_list = builder.Build();
-  SkRect rect = SkRect::MakeLTRB(0, 0, 100, 100);
-  EXPECT_FALSE(rect.contains(display_list->bounds()));
-  DlOpReceiverIgnore receiver;
-  while (state.KeepRunning()) {
-    std::vector<DlIndex> indices = display_list->GetCulledIndices(rect);
-    for (DlIndex index : indices) {
-      display_list->Dispatch(receiver, index);
-    }
-  }
-}
-
 BENCHMARK_CAPTURE(BM_DisplayListBuilderDefault,
                   kDefault,
                   DisplayListBuilderBenchmarkType::kDefault)
@@ -444,24 +370,4 @@ BENCHMARK_CAPTURE(BM_DisplayListDispatchCull,
                   DisplayListDispatchBenchmarkType::kCulledWithRtree)
     ->Unit(benchmark::kMicrosecond);
 
-BENCHMARK_CAPTURE(BM_DisplayListDispatchByIndexDefault,
-                  kDefaultNoRtree,
-                  DisplayListDispatchBenchmarkType::kDefaultNoRtree)
-    ->Unit(benchmark::kMicrosecond);
-
-BENCHMARK_CAPTURE(BM_DisplayListDispatchByIteratorDefault,
-                  kDefaultNoRtree,
-                  DisplayListDispatchBenchmarkType::kDefaultNoRtree)
-    ->Unit(benchmark::kMicrosecond);
-
-BENCHMARK_CAPTURE(BM_DisplayListDispatchByVectorDefault,
-                  kDefaultNoRtree,
-                  DisplayListDispatchBenchmarkType::kDefaultNoRtree)
-    ->Unit(benchmark::kMicrosecond);
-
-BENCHMARK_CAPTURE(BM_DisplayListDispatchByVectorCull,
-                  kCulledWithRtree,
-                  DisplayListDispatchBenchmarkType::kCulledWithRtree)
-    ->Unit(benchmark::kMicrosecond);
-
 }  // namespace flutter