Add push/pop cull to SkRecord.

BUG=skia:2378
R=fmalita@google.com, mtklein@google.com, fmalita@chromium.org

Author: mtklein@chromium.org

Review URL: https://codereview.chromium.org/224723026

git-svn-id: http://skia.googlecode.com/svn/trunk@14091 2bbb7eff-a529-9590-31e7-b0007b416f81

src/record/SkRecordDraw.h

@@ -25,6 +25,9 @@ CASE(Restore) { canvas->restore(); }
 CASE(Save) { canvas->save(r.flags); }
 CASE(SaveLayer) { canvas->saveLayer(r.bounds, r.paint, r.flags); }
 
+CASE(PushCull) { canvas->pushCull(r.rect); }
+CASE(PopCull) { canvas->popCull(); }
+
 CASE(Concat) { canvas->concat(r.matrix); }
 CASE(SetMatrix) { canvas->setMatrix(r.matrix); }
 

src/record/SkRecorder.cpp

@@ -195,6 +195,14 @@ void SkRecorder::willRestore() {
     APPEND(Restore);
 }
 
+void SkRecorder::onPushCull(const SkRect& rect) {
+    APPEND(PushCull, rect);
+}
+
+void SkRecorder::onPopCull() {
+    APPEND(PopCull);
+}
+
 void SkRecorder::didConcat(const SkMatrix& matrix) {
     APPEND(Concat, matrix);
 }

src/record/SkRecorder.h

@@ -57,6 +57,9 @@ public:
     void onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle edgeStyle);
     void onClipRegion(const SkRegion& deviceRgn, SkRegion::Op op);
 
+    void onPushCull(const SkRect& cullRect);
+    void onPopCull();
+
 private:
     template <typename T>
     T* copy(const T*);

src/record/SkRecords.h

@@ -39,7 +39,9 @@ namespace SkRecords {
     M(DrawSprite)           \
     M(DrawText)             \
     M(DrawTextOnPath)       \
-    M(DrawVertices)
+    M(DrawVertices)         \
+    M(PushCull)             \
+    M(PopCull)
 
 // Defines SkRecords::Type, an enum of all record types.
 #define ENUM(T) T##_Type,
@@ -125,6 +127,9 @@ RECORD0(Restore);
 RECORD1(Save, SkCanvas::SaveFlags, flags);
 RECORD3(SaveLayer, SkRect*, bounds, SkPaint*, paint, SkCanvas::SaveFlags, flags);
 
+RECORD1(PushCull, SkRect, rect);
+RECORD0(PopCull);
+
 RECORD1(Concat, SkMatrix, matrix);
 RECORD1(SetMatrix, SkMatrix, matrix);