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Diffstat (limited to 'core/SkScalarCompare.h')
-rw-r--r-- | core/SkScalarCompare.h | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/core/SkScalarCompare.h b/core/SkScalarCompare.h deleted file mode 100644 index 5361294..0000000 --- a/core/SkScalarCompare.h +++ /dev/null @@ -1,38 +0,0 @@ - -/* - * Copyright 2006 The Android Open Source Project - * - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - - -#ifndef SkScalarCompare_DEFINED -#define SkScalarCompare_DEFINED - -#include "SkFloatBits.h" -#include "SkRect.h" - -/** Skia can spend a lot of time just comparing scalars (e.g. quickReject). - When scalar==fixed, this is very fast, and when scalar==hardware-float, this - is also reasonable, but if scalar==software-float, then each compare can be - a function call and take real time. To account for that, we have the flag - SK_SCALAR_SLOW_COMPARES. - - If this is defined, we have a special trick where we quickly convert floats - to a 2's compliment form, and then treat them as signed 32bit integers. In - this form we lose a few subtlties (e.g. NaNs always comparing false) but - we gain the speed of integer compares. - */ - -#ifdef SK_SCALAR_SLOW_COMPARES - typedef int32_t SkScalarCompareType; - typedef SkIRect SkRectCompareType; - #define SkScalarToCompareType(x) SkScalarAs2sCompliment(x) -#else - typedef SkScalar SkScalarCompareType; - typedef SkRect SkRectCompareType; - #define SkScalarToCompareType(x) (x) -#endif - -#endif |