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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkOpts_DEFINED
#define SkOpts_DEFINED
#include "SkTextureCompressor.h"
#include "SkTypes.h"
#include "SkXfermode.h"
struct ProcCoeff;
namespace SkOpts {
// Call to replace pointers to portable functions with pointers to CPU-specific functions.
// Thread-safe and idempotent.
// Called by SkGraphics::Init().
void Init();
// Declare function pointers here...
// May return nullptr if we haven't specialized the given Mode.
extern SkXfermode* (*create_xfermode)(const ProcCoeff&, SkXfermode::Mode);
typedef void (*BoxBlur)(const SkPMColor*, int, const SkIRect& srcBounds, SkPMColor*, int, int, int, int, int);
extern BoxBlur box_blur_xx, box_blur_xy, box_blur_yx;
typedef void (*Morph)(const SkPMColor*, SkPMColor*, int, int, int, int, int);
extern Morph dilate_x, dilate_y, erode_x, erode_y;
typedef bool (*TextureCompressor)(uint8_t* dst, const uint8_t* src,
int width, int height, size_t rowBytes);
extern TextureCompressor (*texture_compressor)(SkColorType, SkTextureCompressor::Format);
extern bool (*fill_block_dimensions)(SkTextureCompressor::Format, int* x, int* y);
extern void (*blit_mask_d32_a8)(SkPMColor*, size_t, const SkAlpha*, size_t, SkColor, int, int);
extern void (*blit_row_color32)(SkPMColor*, const SkPMColor*, int, SkPMColor);
extern void (*blit_row_s32a_opaque)(SkPMColor*, const SkPMColor*, int, U8CPU);
// This function is an optimized version of SkColorCubeFilter::filterSpan
extern void (*color_cube_filter_span)(const SkPMColor[],
int,
SkPMColor[],
const int * [2],
const SkScalar * [2],
int,
const SkColor*);
// Swizzle input into some sort of 8888 pixel, {premul,unpremul} x {rgba,bgra}.
typedef void (*Swizzle_8888)(uint32_t*, const void*, int);
extern Swizzle_8888 RGBA_to_BGRA, // i.e. just swap RB
RGBA_to_rgbA, // i.e. just premultiply
RGBA_to_bgrA, // i.e. swap RB and premultiply
RGB_to_RGB1, // i.e. insert an opaque alpha
RGB_to_BGR1, // i.e. swap RB and insert an opaque alpha
gray_to_RGB1, // i.e. expand to color channels + an opaque alpha
grayA_to_RGBA, // i.e. expand to color channels
grayA_to_rgbA, // i.e. expand to color channels and premultiply
inverted_CMYK_to_RGB1, // i.e. convert color space
inverted_CMYK_to_BGR1; // i.e. convert color space
// Blend ndst src pixels over dst, where both src and dst point to sRGB pixels (RGBA or BGRA).
// If nsrc < ndst, we loop over src to create a pattern.
extern void (*srcover_srgb_srgb)(uint32_t* dst, const uint32_t* src, int ndst, int nsrc);
// Color xform RGB1 pixels.
extern void (*color_xform_RGB1_to_2dot2) (uint32_t* dst, const uint32_t* src, int len,
const float* const srcTables[3],
const float srcToDstMatrix[16]);
extern void (*color_xform_RGB1_to_srgb)(uint32_t* dst, const uint32_t* src, int len,
const float* const srcTables[3],
const float srcToDstMatrix[16]);
extern void (*color_xform_RGB1_to_table)(uint32_t* dst, const uint32_t* src, int len,
const float* const srcTables[3],
const float srcToDstMatrix[16],
const uint8_t* const dstTables[3]);
extern void (*color_xform_RGB1_to_linear)(uint64_t* dst, const uint32_t* src, int len,
const float* const srcTables[3],
const float srcToDstMatrix[16]);
extern void (*color_xform_RGB1_to_2dot2_swaprb) (uint32_t* dst, const uint32_t* src, int len,
const float* const srcTables[3],
const float srcToDstMatrix[16]);
extern void (*color_xform_RGB1_to_srgb_swaprb)(uint32_t* dst, const uint32_t* src, int len,
const float* const srcTables[3],
const float srcToDstMatrix[16]);
extern void (*color_xform_RGB1_to_table_swaprb)(uint32_t* dst, const uint32_t* src, int len,
const float* const srcTables[3],
const float srcToDstMatrix[16],
const uint8_t* const dstTables[3]);
}
#endif//SkOpts_DEFINED
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