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 "SkConvolver.h" 12 #include "SkRasterPipeline.h" 13 #include "SkTypes.h" 14 #include "SkXfermodePriv.h" 15 16 struct ProcCoeff; 17 18 namespace SkOpts { 19 // Call to replace pointers to portable functions with pointers to CPU-specific functions. 20 // Thread-safe and idempotent. 21 // Called by SkGraphics::Init(). 22 void Init(); 23 24 // Declare function pointers here... 25 26 // May return nullptr if we haven't specialized the given Mode. 27 extern SkXfermode* (*create_xfermode)(SkBlendMode); 28 29 typedef void (*BoxBlur)(const SkPMColor*, int, const SkIRect& srcBounds, SkPMColor*, int, int, int, int, int); 30 extern BoxBlur box_blur_xx, box_blur_xy, box_blur_yx; 31 32 typedef void (*Morph)(const SkPMColor*, SkPMColor*, int, int, int, int, int); 33 extern Morph dilate_x, dilate_y, erode_x, erode_y; 34 35 extern void (*blit_mask_d32_a8)(SkPMColor*, size_t, const SkAlpha*, size_t, SkColor, int, int); 36 extern void (*blit_row_color32)(SkPMColor*, const SkPMColor*, int, SkPMColor); 37 extern void (*blit_row_s32a_opaque)(SkPMColor*, const SkPMColor*, int, U8CPU); 38 39 // Swizzle input into some sort of 8888 pixel, {premul,unpremul} x {rgba,bgra}. 40 typedef void (*Swizzle_8888)(uint32_t*, const void*, int); 41 extern Swizzle_8888 RGBA_to_BGRA, // i.e. just swap RB 42 RGBA_to_rgbA, // i.e. just premultiply 43 RGBA_to_bgrA, // i.e. swap RB and premultiply 44 RGB_to_RGB1, // i.e. insert an opaque alpha 45 RGB_to_BGR1, // i.e. swap RB and insert an opaque alpha 46 gray_to_RGB1, // i.e. expand to color channels + an opaque alpha 47 grayA_to_RGBA, // i.e. expand to color channels 48 grayA_to_rgbA, // i.e. expand to color channels and premultiply 49 inverted_CMYK_to_RGB1, // i.e. convert color space 50 inverted_CMYK_to_BGR1; // i.e. convert color space 51 52 // Blend ndst src pixels over dst, where both src and dst point to sRGB pixels (RGBA or BGRA). 53 // If nsrc < ndst, we loop over src to create a pattern. 54 extern void (*srcover_srgb_srgb)(uint32_t* dst, const uint32_t* src, int ndst, int nsrc); 55 56 extern void (*memset16)(uint16_t[], uint16_t, int); 57 extern void (*memset32)(uint32_t[], uint32_t, int); 58 extern void (*memset64)(uint64_t[], uint64_t, int); 59 60 // The fastest high quality 32-bit hash we can provide on this platform. 61 extern uint32_t (*hash_fn)(const void*, size_t, uint32_t seed); 62 static inline uint32_t hash(const void* data, size_t bytes, uint32_t seed=0) { 63 return hash_fn(data, bytes, seed); 64 } 65 66 extern void (*convolve_vertically)(const SkConvolutionFilter1D::ConvolutionFixed* filter_values, 67 int filter_length, unsigned char* const* source_data_rows, 68 int pixel_width, unsigned char* out_row, bool has_alpha); 69 extern void (*convolve_4_rows_horizontally)(const unsigned char* src_data[4], 70 const SkConvolutionFilter1D& filter, 71 unsigned char* out_row[4], size_t out_row_bytes); 72 extern void (*convolve_horizontally)(const unsigned char* src_data, const SkConvolutionFilter1D& filter, 73 unsigned char* out_row, bool has_alpha); 74 } 75 76 #endif//SkOpts_DEFINED 77