Line data    Source code

       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)(const ProcCoeff&, 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             :     // The fastest high quality 32-bit hash we can provide on this platform.
      57             :     extern uint32_t (*hash_fn)(const void*, size_t, uint32_t seed);
      58          63 :     static inline uint32_t hash(const void* data, size_t bytes, uint32_t seed=0) {
      59          63 :         return hash_fn(data, bytes, seed);
      60             :     }
      61             : 
      62             :     extern void (*run_pipeline)(size_t, size_t, const SkRasterPipeline::Stage*, int);
      63             : 
      64             :     extern void (*convolve_vertically)(const SkConvolutionFilter1D::ConvolutionFixed* filter_values,
      65             :                                        int filter_length, unsigned char* const* source_data_rows,
      66             :                                        int pixel_width, unsigned char* out_row, bool has_alpha);
      67             :     extern void (*convolve_4_rows_horizontally)(const unsigned char* src_data[4],
      68             :                                                 const SkConvolutionFilter1D& filter,
      69             :                                                 unsigned char* out_row[4], size_t out_row_bytes);
      70             :     extern void (*convolve_horizontally)(const unsigned char* src_data, const SkConvolutionFilter1D& filter,
      71             :                                          unsigned char* out_row, bool has_alpha);
      72             : }
      73             : 
      74             : #endif//SkOpts_DEFINED