try to speed-up maprect + round2i + contains

src/core/SkCpu.h

Index: src/core/SkCpu.h
diff --git a/src/core/SkCpu.h b/src/core/SkCpu.h
deleted file mode 100644
index b212da482c977667795fd2e80a8858208258588e..0000000000000000000000000000000000000000
--- a/src/core/SkCpu.h
+++ /dev/null
@@ -1,90 +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.
- */
-
-#ifndef SkCpu_DEFINED
-#define SkCpu_DEFINED
-
-#include "SkTypes.h"
-
-struct SkCpu {
-    enum {
-        SSE1  = 1 << 0,
-        SSE2  = 1 << 1,
-        SSE3  = 1 << 2,
-        SSSE3 = 1 << 3,
-        SSE41 = 1 << 4,
-        SSE42 = 1 << 5,
-        AVX   = 1 << 6,
-        F16C  = 1 << 7,
-        FMA   = 1 << 8,
-        AVX2  = 1 << 9,
-    };
-    enum {
-        NEON     = 1 << 0,
-        NEON_FMA = 1 << 1,
-        VFP_FP16 = 1 << 2,
-    };
-
-    static void CacheRuntimeFeatures();
-    static bool Supports(uint32_t);
-private:
-#if defined(_MSC_VER) || !defined(SkCpu_IMPL)
-    static const uint32_t gCachedFeatures;
-#else
-    static       uint32_t gCachedFeatures;
-#endif
-};
-
-inline bool SkCpu::Supports(uint32_t mask) {
-    uint32_t features = gCachedFeatures;
-
-    // If we mask in compile-time known lower limits, the compiler can
-    // often compile away this entire function.
-#if SK_CPU_X86
-    #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE1
-    features |= SSE1;
-    #endif
-    #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE2
-    features |= SSE2;
-    #endif
-    #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE3
-    features |= SSE3;
-    #endif
-    #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSSE3
-    features |= SSSE3;
-    #endif
-    #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE41
-    features |= SSE41;
-    #endif
-    #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE42
-    features |= SSE42;
-    #endif
-    #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_AVX
-    features |= AVX;
-    #endif
-    // F16C goes here if we add SK_CPU_SSE_LEVEL_F16C
-    #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_AVX2
-    features |= AVX2;
-    #endif
-    // FMA doesn't fit neatly into this total ordering.
-    // It's available on Haswell+ just like AVX2, but it's technically a different bit.
-    // TODO: circle back on this if we find ourselves limited by lack of compile-time FMA
-
-#else
-    #if defined(SK_ARM_HAS_NEON)
-    features |= NEON;
-    #endif
-
-    #if defined(SK_CPU_ARM64)
-    features |= NEON|NEON_FMA|VFP_FP16;
-    #endif
-
-#endif
-    return (features & mask) == mask;
-}
-
-#endif//SkCpu_DEFINED