From f168b86d7fafc5c20c87bebc6fd393cb17e120ca Mon Sep 17 00:00:00 2001
From: tfarina <tfarina@chromium.org>
Date: Thu, 19 Jun 2014 12:32:29 -0700
Subject: Remove Sk prefix from some bench classes.

This idea came while commenting on
https://codereview.chromium.org/343583005/

Since SkBenchmark, SkBenchLogger and SkGMBench are not part of the Skia library,
they should not have the Sk prefix.

BUG=None
TEST=make all
R=mtklein@google.com

Author: tfarina@chromium.org

Review URL: https://codereview.chromium.org/347823004
---
 bench/Benchmark.h | 128 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 bench/Benchmark.h

(limited to 'bench/Benchmark.h')

diff --git a/bench/Benchmark.h b/bench/Benchmark.h
new file mode 100644
index 0000000000..db70bbe49c
--- /dev/null
+++ b/bench/Benchmark.h
@@ -0,0 +1,128 @@
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef Benchmark_DEFINED
+#define Benchmark_DEFINED
+
+#include "SkPoint.h"
+#include "SkRefCnt.h"
+#include "SkString.h"
+#include "SkTRegistry.h"
+
+#define DEF_BENCH(code)                                                 \
+namespace {                                                             \
+static Benchmark* SK_MACRO_APPEND_LINE(factory)(void*) { code; }      \
+BenchRegistry SK_MACRO_APPEND_LINE(g_R_)(SK_MACRO_APPEND_LINE(factory)); \
+}
+
+/*
+ *  With the above macros, you can register benches as follows (at the bottom
+ *  of your .cpp)
+ *
+ *  DEF_BENCH(return new MyBenchmark(...))
+ *  DEF_BENCH(return new MyBenchmark(...))
+ *  DEF_BENCH(return new MyBenchmark(...))
+ */
+
+
+class SkCanvas;
+class SkPaint;
+
+class SkTriState {
+public:
+    enum State {
+        kDefault,
+        kTrue,
+        kFalse
+    };
+    static const char* Name[];
+};
+
+class Benchmark : public SkRefCnt {
+public:
+    SK_DECLARE_INST_COUNT(Benchmark)
+
+    Benchmark();
+
+    const char* getName();
+    SkIPoint getSize();
+
+    enum Backend {
+        kNonRendering_Backend,
+        kRaster_Backend,
+        kGPU_Backend,
+        kPDF_Backend,
+    };
+
+    // Call to determine whether the benchmark is intended for
+    // the rendering mode.
+    virtual bool isSuitableFor(Backend backend) {
+        return backend != kNonRendering_Backend;
+    }
+
+    // Call before draw, allows the benchmark to do setup work outside of the
+    // timer. When a benchmark is repeatedly drawn, this should be called once
+    // before the initial draw.
+    void preDraw();
+
+    // Bench framework can tune loops to be large enough for stable timing.
+    void draw(const int loops, SkCanvas*);
+
+    void setForceAlpha(int alpha) {
+        fForceAlpha = alpha;
+    }
+
+    void setForceAA(bool aa) {
+        fForceAA = aa;
+    }
+
+    void setForceFilter(bool filter) {
+        fForceFilter = filter;
+    }
+
+    void setDither(SkTriState::State state) {
+        fDither = state;
+    }
+
+    /** Assign masks for paint-flags. These will be applied when setupPaint()
+     *  is called.
+     *
+     *  Performs the following on the paint:
+     *      uint32_t flags = paint.getFlags();
+     *      flags &= ~clearMask;
+     *      flags |= orMask;
+     *      paint.setFlags(flags);
+     */
+    void setPaintMasks(uint32_t orMask, uint32_t clearMask) {
+        fOrMask = orMask;
+        fClearMask = clearMask;
+    }
+
+protected:
+    virtual void setupPaint(SkPaint* paint);
+
+    virtual const char* onGetName() = 0;
+    virtual void onPreDraw() {}
+    // Each bench should do its main work in a loop like this:
+    //   for (int i = 0; i < loops; i++) { <work here> }
+    virtual void onDraw(const int loops, SkCanvas*) = 0;
+
+    virtual SkIPoint onGetSize();
+
+private:
+    int     fForceAlpha;
+    bool    fForceAA;
+    bool    fForceFilter;
+    SkTriState::State  fDither;
+    uint32_t    fOrMask, fClearMask;
+
+    typedef SkRefCnt INHERITED;
+};
+
+typedef SkTRegistry<Benchmark*(*)(void*)> BenchRegistry;
+
+#endif
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