Batched implementation of drawLattice() for GPU

bench/DrawLatticeBench.cpp

 /*
 * Copyright 2016 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
 #include "Benchmark.h"
 #include "SkCanvas.h"
 #include "SkRect.h"
@@ skipping 11 matching lines @@
         fLattice.fYDivs = yDivs;
         fLattice.fYCount = yCount;
 
         fName = SkStringPrintf("DrawLattice_%s", desc);
     }
 
     const char* onGetName() override {
         return fName.c_str();
     }
 
+    SkIPoint onGetSize() override {
+        return SkIPoint::Make(1000, 1000);
+    }
+
     bool isSuitableFor(Backend backend) override {
         return kRaster_Backend == backend || kGPU_Backend == backend;
     }
 
     void onDelayedSetup() override {
         fBitmap.allocN32Pixels(fSrcSize.width(), fSrcSize.height());
         fBitmap.eraseColor(0x880000FF);
     }
 
     void onDraw(int loops, SkCanvas* canvas) override {
         for (int i = 0; i < loops; i++) {
             canvas->drawBitmapLattice(fBitmap, fLattice, fDst);
         }
     }
 
 private:
     SkISize           fSrcSize;
     SkCanvas::Lattice fLattice;
     SkRect            fDst;
     SkString          fName;
     SkBitmap          fBitmap;
 
     typedef Benchmark INHERITED;
 };
 
-static int gDivs[2] = { 250, 750, };
-DEF_BENCH(return new DrawLatticeBench(gDivs, 2, gDivs, 2, SkISize::Make(1000, 1000),
-                                      SkRect::MakeWH(4000.0f, 4000.0f), "StandardNine");)
+static int gDivs9[2] = { 25, 75, };
+DEF_BENCH(return new DrawLatticeBench(gDivs9, 2, gDivs9, 2, SkISize::Make(100, 100),
+                                      SkRect::MakeWH(250.0f, 250.0f), "Src100_Dst250_Rects9");)
+DEF_BENCH(return new DrawLatticeBench(gDivs9, 2, gDivs9, 2, SkISize::Make(100, 100),
+                                      SkRect::MakeWH(500.0f, 500.0f), "Src100_Dst500_Rects9");)
+DEF_BENCH(return new DrawLatticeBench(gDivs9, 2, gDivs9, 2, SkISize::Make(100, 100),
+                                      SkRect::MakeWH(1000.0f, 1000.0f), "Src100_Dst1000_Rects9");)
+static int gDivs15[4] = { 15, 45, 55, 85, };
+DEF_BENCH(return new DrawLatticeBench(gDivs15, 4, gDivs15, 4, SkISize::Make(100, 100),
+                                      SkRect::MakeWH(250.0f, 250.0f), "Src100_Dst250_Rects15");)
+DEF_BENCH(return new DrawLatticeBench(gDivs15, 4, gDivs15, 4, SkISize::Make(100, 100),
+                                      SkRect::MakeWH(500.0f, 500.0f), "Src100_Dst500_Rects15");)
+DEF_BENCH(return new DrawLatticeBench(gDivs15, 4, gDivs15, 4, SkISize::Make(100, 100),
+                                      SkRect::MakeWH(1000.0f, 1000.0f), "Src100_Dst1000_Rects15");)