Cull pushCull and popCull from Skia.

src/core/SkRecords.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkRecords_DEFINED
 #define SkRecords_DEFINED
 
@@ skipping 12 matching lines @@
 // We leave this SK_RECORD_TYPES macro defined for use by code that wants to operate on SkRecords
 // types polymorphically.  (See SkRecord::Record::{visit,mutate} for an example.)
 //
 // Order doesn't technically matter here, but the compiler can generally generate better code if
 // you keep them semantically grouped, especially the Draws.  It's also nice to leave NoOp at 0.
 #define SK_RECORD_TYPES(M)                                          \
     M(NoOp)                                                         \
     M(Restore)                                                      \
     M(Save)                                                         \
     M(SaveLayer)                                                    \
-    M(PushCull)                                                     \
-    M(PopCull)                                                      \
     M(SetMatrix)                                                    \
     M(ClipPath)                                                     \
     M(ClipRRect)                                                    \
     M(ClipRect)                                                     \
     M(ClipRegion)                                                   \
     M(Clear)                                                        \
     M(BeginCommentGroup)                                            \
     M(AddComment)                                                   \
     M(EndCommentGroup)                                              \
     M(DrawBitmap)                                                   \
@@ skipping 164 matching lines @@
         (void)this->getType();
     }
 };
 
 RECORD0(NoOp);
 
 RECORD2(Restore, SkIRect, devBounds, TypedMatrix, matrix);
 RECORD0(Save);
 RECORD3(SaveLayer, Optional<SkRect>, bounds, Optional<SkPaint>, paint, SkCanvas::SaveFlags, flags);
 
-RECORD1(PushCull, SkRect, rect);
-RECORD0(PopCull);
-
 RECORD1(SetMatrix, TypedMatrix, matrix);
 
 struct RegionOpAndAA {
     RegionOpAndAA(SkRegion::Op op, bool aa) : op(op), aa(aa) {}
     SkRegion::Op op : 31;  // This really only needs to be 3, but there's no win today to do so.
     unsigned     aa :  1;  // MSVC won't pack an enum with an bool, so we call this an unsigned.
 };
 SK_COMPILE_ASSERT(sizeof(RegionOpAndAA) == 4, RegionOpAndAASize);
 
 RECORD3(ClipPath,   SkIRect, devBounds, BoundedPath, path, RegionOpAndAA, opAA);
@@ skipping 114 matching lines @@
 #undef RECORD0
 #undef RECORD1
 #undef RECORD2
 #undef RECORD3
 #undef RECORD4
 #undef RECORD5
 
 }  // namespace SkRecords
 
 #endif//SkRecords_DEFINED