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" |
| 12 | |
| 13 | namespace SkOpts { |
| 14 | // Call to replace pointers to portable functions with pointers to CPU-specific functions. |
| 15 | // Thread-safe and idempotent. |
| 16 | // Called by SkGraphics::Init(), and automatically #if SK_ALLOW_STATIC_GLOBAL_INITIALIZERS. |
| 17 | void Init(); |
| 18 | |
mtklein | f684a78 | 2015-07-30 09:29:37 -0700 | [diff] [blame^] | 19 | // Declare function pointers here... |
| 20 | |
| 21 | // Returns a fast approximation of 1.0f/sqrtf(x). |
| 22 | extern float (*rsqrt)(float); |
mtklein | 8317a18 | 2015-07-30 07:30:16 -0700 | [diff] [blame] | 23 | } |
| 24 | |
| 25 | #endif//SkOpts_DEFINED |