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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 "SkRasterPipeline.h"
#include "SkTypes.h"
#include "SkXfermodePriv.h"
struct SkBitmapProcState;
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)(SkBlendMode);
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);
// Swizzle input into some sort of 8888 pixel, {premul,unpremul} x {rgba,bgra}.
typedef void (*Swizzle_8888_u32)(uint32_t*, const uint32_t*, int);
extern Swizzle_8888_u32 RGBA_to_BGRA, // i.e. just swap RB
RGBA_to_rgbA, // i.e. just premultiply
RGBA_to_bgrA, // i.e. swap RB and premultiply
inverted_CMYK_to_RGB1, // i.e. convert color space
inverted_CMYK_to_BGR1; // i.e. convert color space
typedef void (*Swizzle_8888_u8)(uint32_t*, const uint8_t*, int);
extern Swizzle_8888_u8 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
extern void (*memset16)(uint16_t[], uint16_t, int);
extern void SK_API (*memset32)(uint32_t[], uint32_t, int);
extern void (*memset64)(uint64_t[], uint64_t, int);
// The fastest high quality 32-bit hash we can provide on this platform.
extern uint32_t (*hash_fn)(const void*, size_t, uint32_t seed);
static inline uint32_t hash(const void* data, size_t bytes, uint32_t seed=0) {
return hash_fn(data, bytes, seed);
// SkBitmapProcState optimized Shader, Sample, or Matrix procs.
// This is the only one that can use anything past SSE2/NEON.
extern void (*S32_alpha_D32_filter_DX)(const SkBitmapProcState&,
const uint32_t* xy, int count, SkPMColor*);
#define M(st) +1
// We can't necessarily express the type of SkJumper stage functions here,
// so we just use this void(*)(void) as a stand-in.
using StageFn = void(*)(void);
extern StageFn stages_highp[SK_RASTER_PIPELINE_STAGES(M)], just_return_highp;
extern StageFn stages_lowp [SK_RASTER_PIPELINE_STAGES(M)], just_return_lowp;
extern void (*start_pipeline_highp)(size_t,size_t,size_t,size_t, void**);
extern void (*start_pipeline_lowp )(size_t,size_t,size_t,size_t, void**);
#undef M