remove U16 support, just support F16

bench/XferU64Bench.cpp

Index: bench/XferU64Bench.cpp
diff --git a/bench/XferU64Bench.cpp b/bench/XferU64Bench.cpp
deleted file mode 100644
index 324655b351bcd0e6999e8e0c0f2281e633dcaf11..0000000000000000000000000000000000000000
--- a/bench/XferU64Bench.cpp
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * 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 "SkPM4f.h"
-#include "SkString.h"
-#include "SkXfermode.h"
-
-#define USE_AA      (1 << 31)   // merge with Xfermode::PMFlags w/o conflict
-
-#define INNER_LOOPS 1000
-
-// Benchmark that draws non-AA rects or AA text with an SkXfermode::Mode.
-class XferD64Bench : public Benchmark {
-public:
-    XferD64Bench(SkXfermode::Mode mode, const char name[], bool doN, uint32_t flags)
-        : fDoN(doN)
-        , fFlags(flags & ~USE_AA)
-    {
-        fXfer = SkXfermode::Make(mode);
-
-        fProc1 = SkXfermode::GetD64Proc(fXfer, fFlags | SkXfermode::kSrcIsSingle_D64Flag);
-        fProcN = SkXfermode::GetD64Proc(fXfer, fFlags);
-        fName.printf("xferu64_%s_%s_%c_%s_%s",
-                     name,
-                     (flags & USE_AA) ? "aa" : "bw",
-                     fDoN ? 'N' : '1',
-                     (flags & SkXfermode::kSrcIsOpaque_D64Flag) ? "opaque" : "alpha",
-                     (flags & SkXfermode::kDstIsFloat16_D64Flag) ? "f16" : "u16");
-
-        for (int i = 0; i < N; ++i) {
-            fSrc[i] = {{ 1, 1, 1, 1 }};
-            fDst[i] = 0;
-            fAAStorage[i] = i * 255 / (N - 1);
-        }
-
-        if (flags & USE_AA) {
-            fAA = fAAStorage;
-        } else {
-            fAA = nullptr;
-        }
-    }
-
-protected:
-    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 i = 0; i < loops * INNER_LOOPS; ++i) {
-            if (fDoN) {
-                fProcN(fXfer.get(), fDst, fSrc, N, fAA);
-            } else {
-                fProc1(fXfer.get(), fDst, fSrc, N, fAA);
-            }
-        }
-    }
-
-private:
-    sk_sp<SkXfermode>   fXfer;
-    SkString            fName;
-    SkXfermode::D64Proc fProc1;
-    SkXfermode::D64Proc fProcN;
-    const SkAlpha*      fAA;
-    bool                fDoN;
-    uint32_t            fFlags;
-
-    enum {
-        N = 1000,
-    };
-    SkPM4f      fSrc[N];
-    uint64_t    fDst[N];
-    uint8_t     fAAStorage[N];
-
-    typedef Benchmark INHERITED;
-};
-
-#define F00 0
-#define F01 (SkXfermode::kSrcIsOpaque_D64Flag)
-#define F10 (SkXfermode::kDstIsFloat16_D64Flag)
-#define F11 (SkXfermode::kDstIsFloat16_D64Flag | SkXfermode::kSrcIsOpaque_D64Flag)
-
-#define MODE    SkXfermode::kSrcOver_Mode
-#define NAME    "srcover"
-
-DEF_BENCH( return new XferD64Bench(MODE, NAME, true,  F10 | USE_AA); )
-DEF_BENCH( return new XferD64Bench(MODE, NAME, true,  F11 | USE_AA); )
-DEF_BENCH( return new XferD64Bench(MODE, NAME, true,  F10); )
-DEF_BENCH( return new XferD64Bench(MODE, NAME, true,  F11); )
-
-DEF_BENCH( return new XferD64Bench(MODE, NAME, true,  F00 | USE_AA); )
-DEF_BENCH( return new XferD64Bench(MODE, NAME, true,  F01 | USE_AA); )
-DEF_BENCH( return new XferD64Bench(MODE, NAME, true,  F00); )
-DEF_BENCH( return new XferD64Bench(MODE, NAME, true,  F01); )
-
-DEF_BENCH( return new XferD64Bench(MODE, NAME, false, F10 | USE_AA); )
-DEF_BENCH( return new XferD64Bench(MODE, NAME, false, F11 | USE_AA); )
-DEF_BENCH( return new XferD64Bench(MODE, NAME, false, F10); )
-DEF_BENCH( return new XferD64Bench(MODE, NAME, false, F11); )
-
-DEF_BENCH( return new XferD64Bench(MODE, NAME, false, F00 | USE_AA); )
-DEF_BENCH( return new XferD64Bench(MODE, NAME, false, F01 | USE_AA); )
-DEF_BENCH( return new XferD64Bench(MODE, NAME, false, F00); )
-DEF_BENCH( return new XferD64Bench(MODE, NAME, false, F01); )