move intensive computing/rendering from bench constructor to onPreDraw.

bench/BitmapRectBench.cpp

Index: bench/BitmapRectBench.cpp
===================================================================
--- bench/BitmapRectBench.cpp	(revision 10404)
+++ bench/BitmapRectBench.cpp	(working copy)
@@ -45,6 +45,8 @@
     uint8_t     fAlpha;
     SkString    fName;
     SkRect      fSrcR, fDstR;

[robertphillips, 2013/07/29 11:57:10]

kWidth, kHeight

+    static const int w = 128;
+    static const int h = 128;
     enum { N = SkBENCHLOOP(300) };
 public:
     BitmapRectBench(void* param, U8CPU alpha, bool doFilter, bool slightMatrix) : INHERITED(param) {
@@ -52,10 +54,18 @@
         fDoFilter = doFilter;
         fSlightMatrix = slightMatrix;
 
-        const int w = 128;
-        const int h = 128;
+        fBitmap.setConfig(SkBitmap::kARGB_8888_Config, w, h);
+    }
 
-        fBitmap.setConfig(SkBitmap::kARGB_8888_Config, w, h);
+protected:

[robertphillips, 2013/07/29 11:57:10]

SK_OVERRIDE

+    virtual const char* onGetName() {
+        fName.printf("bitmaprect_%02X_%sfilter_%s",
+                     fAlpha, fDoFilter ? "" : "no",
+                     fSlightMatrix ? "trans" : "identity");
+        return fName.c_str();
+    }
+

[robertphillips, 2013/07/29 11:57:10]

SK_OVERRIDE

+    virtual void onPreDraw() {
         fBitmap.allocPixels();
         fBitmap.setIsOpaque(true);
         fBitmap.eraseColor(SK_ColorBLACK);

[robertphillips, 2013/07/29 11:57:10]

rename to draw_into_bitmap

@@ -64,7 +74,7 @@
         fSrcR.iset(0, 0, w, h);
         fDstR.iset(0, 0, w, h);
 
-        if (slightMatrix) {
+        if (fSlightMatrix) {
             // want fractional translate
             fDstR.offset(SK_Scalar1 / 3, SK_Scalar1 * 5 / 7);
             // want enough to create a scale matrix, but not enough to scare
@@ -74,13 +84,6 @@
         }
     }
 
-protected:
-    virtual const char* onGetName() {
-        fName.printf("bitmaprect_%02X_%sfilter_%s",
-                     fAlpha, fDoFilter ? "" : "no",
-                     fSlightMatrix ? "trans" : "identity");
-        return fName.c_str();
-    }
 

[robertphillips, 2013/07/29 11:57:10]

SK_OVERRIDE

     virtual void onDraw(SkCanvas* canvas) {
         SkRandom rand;