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 | |
mtklein | b639474 | 2015-08-06 08:17:16 -0700 | [diff] [blame^] | 11 | #include "SkTextureCompressor.h" |
mtklein | 8317a18 | 2015-07-30 07:30:16 -0700 | [diff] [blame] | 12 | #include "SkTypes.h" |
mtklein | 490b615 | 2015-07-31 11:50:27 -0700 | [diff] [blame] | 13 | #include "SkXfermode.h" |
| 14 | |
| 15 | struct ProcCoeff; |
mtklein | 8317a18 | 2015-07-30 07:30:16 -0700 | [diff] [blame] | 16 | |
| 17 | namespace SkOpts { |
| 18 | // Call to replace pointers to portable functions with pointers to CPU-specific functions. |
| 19 | // Thread-safe and idempotent. |
| 20 | // Called by SkGraphics::Init(), and automatically #if SK_ALLOW_STATIC_GLOBAL_INITIALIZERS. |
| 21 | void Init(); |
| 22 | |
mtklein | f684a78 | 2015-07-30 09:29:37 -0700 | [diff] [blame] | 23 | // Declare function pointers here... |
| 24 | |
| 25 | // Returns a fast approximation of 1.0f/sqrtf(x). |
| 26 | extern float (*rsqrt)(float); |
mtklein | 7eb0945 | 2015-07-31 10:46:50 -0700 | [diff] [blame] | 27 | |
| 28 | // See SkUtils.h |
| 29 | extern void (*memset16)(uint16_t[], uint16_t, int); |
| 30 | extern void (*memset32)(uint32_t[], uint32_t, int); |
mtklein | 490b615 | 2015-07-31 11:50:27 -0700 | [diff] [blame] | 31 | |
| 32 | // May return nullptr if we haven't specialized the given Mode. |
| 33 | extern SkXfermode* (*create_xfermode)(const ProcCoeff&, SkXfermode::Mode); |
mtklein | dce5ce4 | 2015-08-04 08:49:21 -0700 | [diff] [blame] | 34 | |
| 35 | typedef void (*BoxBlur)(const SkPMColor*, int, SkPMColor*, int, int, int, int, int); |
| 36 | extern BoxBlur box_blur_xx, box_blur_xy, box_blur_yx; |
mtklein | d029ded | 2015-08-04 14:09:09 -0700 | [diff] [blame] | 37 | |
| 38 | typedef void (*Morph)(const SkPMColor*, SkPMColor*, int, int, int, int, int); |
| 39 | extern Morph dilate_x, dilate_y, erode_x, erode_y; |
mtklein | b639474 | 2015-08-06 08:17:16 -0700 | [diff] [blame^] | 40 | |
| 41 | typedef bool (*TextureCompressor)(uint8_t* dst, const uint8_t* src, |
| 42 | int width, int height, size_t rowBytes); |
| 43 | extern TextureCompressor (*texture_compressor)(SkColorType, SkTextureCompressor::Format); |
| 44 | extern bool (*fill_block_dimensions)(SkTextureCompressor::Format, int* x, int* y); |
| 45 | |
mtklein | 8317a18 | 2015-07-30 07:30:16 -0700 | [diff] [blame] | 46 | } |
| 47 | |
| 48 | #endif//SkOpts_DEFINED |