Keep track of the number of skia operations

src/core/SkPictureContentInfo.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 SkPictureContentInfo_DEFINED
+#define SkPictureContentInfo_DEFINED
+
+class GrContext;
+
+class SkPictureContentInfo {
+public:
+    SkPictureContentInfo() { this->reset(); }
+    SkPictureContentInfo(const SkPictureContentInfo& src) { this->set(src); }
+
+    int numOperations() const { return fNumOperations; }
+    bool hasText() const { return fNumTexts > 0; }
+    bool suitableForGpuRasterization(GrContext* context, const char **reason,
+                                     int sampleCount) const;
+
+    void addOperation() { ++fNumOperations; }
+
+    void onDrawPoints(size_t count, const SkPaint& paint);
+    void onDrawPath(const SkPath& path, const SkPaint& paint);
+    void onAddPaintPtr(const SkPaint* paint);
+    void onDrawText() { ++fNumTexts; }
+
+    void set(const SkPictureContentInfo& src);
+    void reset();
+    void swap(SkPictureContentInfo* other);
+
+private:
+    // Raw count of operations in the picture
+    int fNumOperations;
+    // Count of all forms of drawText
+    int fNumTexts;
+
+    // This field is incremented every time a paint with a path effect is
+    // used (i.e., it is not a de-duplicated count)
+    int fNumPaintWithPathEffectUses;
+    // This field is incremented every time a paint with a path effect that is
+    // dashed, we are drawing a line, and we can use the gpu fast path
+    int fNumFastPathDashEffects;
+    // This field is incremented every time an anti-aliased drawPath call is
+    // issued with a concave path
+    int fNumAAConcavePaths;
+    // This field is incremented every time a drawPath call is
+    // issued for a hairline stroked concave path.
+    int fNumAAHairlineConcavePaths;
+};
+
+#endif