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 "include/core/SkTypes.h"
12#include "src/core/SkRasterPipeline.h"
13#include "src/core/SkXfermodePriv.h"
14
15struct SkBitmapProcState;
16namespace skvm { struct InterpreterInstruction; }
17
18namespace 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 extern void (*blit_mask_d32_a8)(SkPMColor*, size_t, const SkAlpha*, size_t, SkColor, int, int);
30 extern void (*blit_row_color32)(SkPMColor*, const SkPMColor*, int, SkPMColor);
31 extern void (*blit_row_s32a_opaque)(SkPMColor*, const SkPMColor*, int, U8CPU);
32
33 // Swizzle input into some sort of 8888 pixel, {premul,unpremul} x {rgba,bgra}.
34 typedef void (*Swizzle_8888_u32)(uint32_t*, const uint32_t*, int);
35 extern Swizzle_8888_u32 RGBA_to_BGRA, // i.e. just swap RB
36 RGBA_to_rgbA, // i.e. just premultiply
37 RGBA_to_bgrA, // i.e. swap RB and premultiply
38 inverted_CMYK_to_RGB1, // i.e. convert color space
39 inverted_CMYK_to_BGR1; // i.e. convert color space
40
41 typedef void (*Swizzle_8888_u8)(uint32_t*, const uint8_t*, int);
42 extern Swizzle_8888_u8 RGB_to_RGB1, // i.e. insert an opaque alpha
43 RGB_to_BGR1, // i.e. swap RB and insert an opaque alpha
44 gray_to_RGB1, // i.e. expand to color channels + an opaque alpha
45 grayA_to_RGBA, // i.e. expand to color channels
46 grayA_to_rgbA; // i.e. expand to color channels and premultiply
47
48 extern void (*memset16)(uint16_t[], uint16_t, int);
49 extern void SK_SPI(*memset32)(uint32_t[], uint32_t, int);
50 extern void (*memset64)(uint64_t[], uint64_t, int);
51
52 extern void (*rect_memset16)(uint16_t[], uint16_t, int, size_t, int);
53 extern void (*rect_memset32)(uint32_t[], uint32_t, int, size_t, int);
54 extern void (*rect_memset64)(uint64_t[], uint64_t, int, size_t, int);
55
56 extern float (*cubic_solver)(float, float, float, float);
57
58 // The fastest high quality 32-bit hash we can provide on this platform.
59 extern uint32_t (*hash_fn)(const void*, size_t, uint32_t seed);
60 static inline uint32_t hash(const void* data, size_t bytes, uint32_t seed=0) {
61 return hash_fn(data, bytes, seed);
62 }
63
64 // SkBitmapProcState optimized Shader, Sample, or Matrix procs.
65 extern void (*S32_alpha_D32_filter_DX)(const SkBitmapProcState&,
66 const uint32_t* xy, int count, SkPMColor*);
67 extern void (*S32_alpha_D32_filter_DXDY)(const SkBitmapProcState&,
68 const uint32_t* xy, int count, SkPMColor*);
69
70#define M(st) +1
71 // We can't necessarily express the type of SkJumper stage functions here,
72 // so we just use this void(*)(void) as a stand-in.
73 using StageFn = void(*)(void);
74 extern StageFn stages_highp[SK_RASTER_PIPELINE_STAGES(M)], just_return_highp;
75 extern StageFn stages_lowp [SK_RASTER_PIPELINE_STAGES(M)], just_return_lowp;
76
77 extern void (*start_pipeline_highp)(size_t,size_t,size_t,size_t, void**);
78 extern void (*start_pipeline_lowp )(size_t,size_t,size_t,size_t, void**);
79#undef M
80
81 extern void (*interpret_skvm)(const skvm::InterpreterInstruction insts[], int ninsts,
82 int nregs, int loop, const int strides[], int nargs,
83 int n, void* args[]);
84}
85
86#endif//SkOpts_DEFINED
87