Add testing for Rectanizer-derived classes

src/gpu/GrRectanizer_pow2.cpp

Index: src/gpu/GrRectanizer_pow2.cpp
diff --git a/src/gpu/GrRectanizer.cpp b/src/gpu/GrRectanizer_pow2.cpp
similarity index 54%
rename from src/gpu/GrRectanizer.cpp
rename to src/gpu/GrRectanizer_pow2.cpp
index 9f0d846e6c986d73fae36b765d51c7a4f8803ad6..d92e80c2d55bb2a6167a7f734ccf360a191b724f 100644
--- a/src/gpu/GrRectanizer.cpp
+++ b/src/gpu/GrRectanizer_pow2.cpp
@@ -6,71 +6,9 @@
  * found in the LICENSE file.
  */
 
-
-
-#include "GrRectanizer.h"
+#include "GrRectanizer_pow2.h"
 #include "GrTBSearch.h"
 
-#define MIN_HEIGHT_POW2     2
-
-class GrRectanizerPow2 : public GrRectanizer {
-public:
-    GrRectanizerPow2(int w, int h) : GrRectanizer(w, h) {
-        fNextStripY = 0;
-        fAreaSoFar = 0;
-        sk_bzero(fRows, sizeof(fRows));
-    }
-
-    virtual ~GrRectanizerPow2() {
-    }
-
-    virtual void reset() {
-        fNextStripY = 0;
-        fAreaSoFar = 0;
-        sk_bzero(fRows, sizeof(fRows));
-    }
-
-    virtual bool addRect(int w, int h, GrIPoint16* loc);
-
-    virtual float percentFull() const {
-        return fAreaSoFar / ((float)this->width() * this->height());
-    }
-
-    virtual int stripToPurge(int height) const { return -1; }
-    virtual void purgeStripAtY(int yCoord) { }
-
-    ///////////////////////////////////////////////////////////////////////////
-
-    struct Row {
-        GrIPoint16  fLoc;
-        int         fRowHeight;
-
-        bool canAddWidth(int width, int containerWidth) const {
-            return fLoc.fX + width <= containerWidth;
-        }
-    };
-
-    Row fRows[16];
-
-    static int HeightToRowIndex(int height) {
-        SkASSERT(height >= MIN_HEIGHT_POW2);
-        return 32 - SkCLZ(height - 1);
-    }
-
-    int fNextStripY;
-    int32_t fAreaSoFar;
-
-    bool canAddStrip(int height) const {
-        return fNextStripY + height <= this->height();
-    }
-
-    void initRow(Row* row, int rowHeight) {
-        row->fLoc.set(0, fNextStripY);
-        row->fRowHeight = rowHeight;
-        fNextStripY += rowHeight;
-    }
-};
-
 bool GrRectanizerPow2::addRect(int width, int height, GrIPoint16* loc) {
     if ((unsigned)width > (unsigned)this->width() ||
         (unsigned)height > (unsigned)this->height()) {
@@ -85,8 +23,8 @@ bool GrRectanizerPow2::addRect(int width, int height, GrIPoint16* loc) {
         height == 2. Thus we set a minimum height.
      */
     height = GrNextPow2(height);
-    if (height < MIN_HEIGHT_POW2) {
-        height = MIN_HEIGHT_POW2;
+    if (height < kMIN_HEIGHT_POW2) {
+        height = kMIN_HEIGHT_POW2;
     }
 
     Row* row = &fRows[HeightToRowIndex(height)];