mtklein | 8317a18 | 2015-07-30 07:30:16 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #ifndef SkOpts_DEFINED |
| 9 | #define SkOpts_DEFINED |
| 10 | |
| 11 | #include "SkTypes.h" |
mtklein | 490b615 | 2015-07-31 11:50:27 -0700 | [diff] [blame] | 12 | #include "SkXfermode.h" |
| 13 | |
| 14 | struct ProcCoeff; |
mtklein | 8317a18 | 2015-07-30 07:30:16 -0700 | [diff] [blame] | 15 | |
| 16 | namespace SkOpts { |
| 17 | // Call to replace pointers to portable functions with pointers to CPU-specific functions. |
| 18 | // Thread-safe and idempotent. |
| 19 | // Called by SkGraphics::Init(), and automatically #if SK_ALLOW_STATIC_GLOBAL_INITIALIZERS. |
| 20 | void Init(); |
| 21 | |
mtklein | f684a78 | 2015-07-30 09:29:37 -0700 | [diff] [blame] | 22 | // Declare function pointers here... |
| 23 | |
| 24 | // Returns a fast approximation of 1.0f/sqrtf(x). |
| 25 | extern float (*rsqrt)(float); |
mtklein | 7eb0945 | 2015-07-31 10:46:50 -0700 | [diff] [blame] | 26 | |
| 27 | // See SkUtils.h |
| 28 | extern void (*memset16)(uint16_t[], uint16_t, int); |
| 29 | extern void (*memset32)(uint32_t[], uint32_t, int); |
mtklein | 490b615 | 2015-07-31 11:50:27 -0700 | [diff] [blame] | 30 | |
| 31 | // May return nullptr if we haven't specialized the given Mode. |
| 32 | extern SkXfermode* (*create_xfermode)(const ProcCoeff&, SkXfermode::Mode); |
mtklein | dce5ce4 | 2015-08-04 08:49:21 -0700 | [diff] [blame^] | 33 | |
| 34 | typedef void (*BoxBlur)(const SkPMColor*, int, SkPMColor*, int, int, int, int, int); |
| 35 | extern BoxBlur box_blur_xx, box_blur_xy, box_blur_yx; |
mtklein | 8317a18 | 2015-07-30 07:30:16 -0700 | [diff] [blame] | 36 | } |
| 37 | |
| 38 | #endif//SkOpts_DEFINED |