ccpr: Clean up GrCCGeometry

Gets rid of the ugly template functions, rearranges a few static
methods, and adds a benchmark.

Bug: skia:
Change-Id: I442f3a581ba7faf7601ae5be0c7e07327df09496
Reviewed-on: https://skia-review.googlesource.com/122128
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>

1 files changed, 96 insertions, 0 deletions

diff --git a/bench/GrCCGeometryBench.cpp b/bench/GrCCGeometryBench.cpp
new file mode 100644
index 0000000000..5e47df042c
--- /dev/null
+++ b/bench/GrCCGeometryBench.cpp
@@ -0,0 +1,96 @@
+/*
+ * Copyright 2018 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"
+
+#if SK_SUPPORT_GPU
+
+#include "ccpr/GrCCGeometry.h"
+#include "SkGeometry.h"
+
+static int kNumBaseLoops = 50000;
+
+class GrCCGeometryBench : public Benchmark {
+public:
+    GrCCGeometryBench(float x0, float y0, float x1, float y1,
+                      float x2, float y2, float x3, float y3, const char* extraName)  {
+        fPoints[0].set(x0, y0);
+        fPoints[1].set(x1, y1);
+        fPoints[2].set(x2, y2);
+        fPoints[3].set(x3, y3);
+
+        fName = "ccprgeometry";
+        switch (SkClassifyCubic(fPoints)) {
+            case SkCubicType::kSerpentine:
+                fName.append("_serp");
+                break;
+            case SkCubicType::kLoop:
+                fName.append("_loop");
+                break;
+            default:
+                SK_ABORT("Unexpected cubic type");
+                break;
+        }
+
+        fName.appendf("_%s", extraName);
+    }
+
+    bool isSuitableFor(Backend backend) override {
+        return backend == kNonRendering_Backend;
+    }
+
+    const char* onGetName() override {
+        return fName.c_str();
+    }
+
+    void onDraw(int loops, SkCanvas*) override {
+        for (int j = 0; j < loops; ++j) {
+            fGeometry.beginContour(fPoints[0]);
+            for (int i = 0; i < kNumBaseLoops; ++i) {
+                fGeometry.cubicTo(fPoints);
+                fGeometry.lineTo(fPoints[0]);
+            }
+            fGeometry.endContour();
+            fGeometry.reset();
+        }
+    }
+
+private:
+    SkPoint fPoints[4];
+    SkString fName;
+    GrCCGeometry fGeometry{4*100*kNumBaseLoops, 2*100*kNumBaseLoops};
+
+    typedef Benchmark INHERITED;
+};
+
+// Loops.
+DEF_BENCH( return new GrCCGeometryBench(529.049988f, 637.050049f, 335.750000f, -135.950012f,
+                                        912.750000f, 560.949951f, 59.049988f, 295.950012f,
+                                        "2_roots"); )
+
+DEF_BENCH( return new GrCCGeometryBench(182.050003f, 300.049988f, 490.750000f, 111.049988f,
+                                        482.750000f, 500.950012f, 451.049988f, 553.950012f,
+                                        "1_root"); )
+
+DEF_BENCH( return new GrCCGeometryBench(498.049988f, 476.049988f, 330.750000f, 330.049988f,
+                                        222.750000f, 389.950012f, 169.049988f, 542.950012f,
+                                        "0_roots"); )
+
+// Serpentines.
+DEF_BENCH( return new GrCCGeometryBench(529.049988f, 714.049988f, 315.750000f, 196.049988f,
+                                        484.750000f, 110.950012f, 349.049988f, 630.950012f,
+                                        "2_roots"); )
+
+DEF_BENCH( return new GrCCGeometryBench(513.049988f, 245.049988f, 73.750000f, 137.049988f,
+                                        508.750000f, 657.950012f, 99.049988f, 601.950012f,
+                                        "1_root"); )
+
+DEF_BENCH( return new GrCCGeometryBench(560.049988f, 364.049988f, 217.750000f, 314.049988f,
+                                        21.750000f, 364.950012f, 83.049988f, 624.950012f,
+                                        "0_roots"); )
+
+#endif