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 "include/private/SkOpts_spi.h"
13 #include "src/core/SkRasterPipeline.h"
14 #include "src/core/SkXfermodePriv.h"
15
16 struct SkBitmapProcState;
17 namespace skvm {
18 struct InterpreterInstruction;
19 class TraceHook;
20 }
21
22 namespace SkOpts {
23 // Call to replace pointers to portable functions with pointers to CPU-specific functions.
24 // Thread-safe and idempotent.
25 // Called by SkGraphics::Init().
26 void Init();
27
28 // Declare function pointers here...
29
30 // May return nullptr if we haven't specialized the given Mode.
31 extern SkXfermode* (*create_xfermode)(SkBlendMode);
32
33 extern void (*blit_mask_d32_a8)(SkPMColor*, size_t, const SkAlpha*, size_t, SkColor, int, int);
34 extern void (*blit_row_color32)(SkPMColor*, const SkPMColor*, int, SkPMColor);
35 extern void (*blit_row_s32a_opaque)(SkPMColor*, const SkPMColor*, int, U8CPU);
36
37 // Swizzle input into some sort of 8888 pixel, {premul,unpremul} x {rgba,bgra}.
38 typedef void (*Swizzle_8888_u32)(uint32_t*, const uint32_t*, int);
39 extern Swizzle_8888_u32 RGBA_to_BGRA, // i.e. just swap RB
40 RGBA_to_rgbA, // i.e. just premultiply
41 RGBA_to_bgrA, // i.e. swap RB and premultiply
42 inverted_CMYK_to_RGB1, // i.e. convert color space
43 inverted_CMYK_to_BGR1; // i.e. convert color space
44
45 typedef void (*Swizzle_8888_u8)(uint32_t*, const uint8_t*, int);
46 extern Swizzle_8888_u8 RGB_to_RGB1, // i.e. insert an opaque alpha
47 RGB_to_BGR1, // i.e. swap RB and insert an opaque alpha
48 gray_to_RGB1, // i.e. expand to color channels + an opaque alpha
49 grayA_to_RGBA, // i.e. expand to color channels
50 grayA_to_rgbA; // i.e. expand to color channels and premultiply
51
52 extern void (*memset16)(uint16_t[], uint16_t, int);
53 extern void SK_SPI(*memset32)(uint32_t[], uint32_t, int);
54 extern void (*memset64)(uint64_t[], uint64_t, int);
55
56 extern void (*rect_memset16)(uint16_t[], uint16_t, int, size_t, int);
57 extern void (*rect_memset32)(uint32_t[], uint32_t, int, size_t, int);
58 extern void (*rect_memset64)(uint64_t[], uint64_t, int, size_t, int);
59
60 extern float (*cubic_solver)(float, float, float, float);
61
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 // SkBitmapProcState optimized Shader, Sample, or Matrix procs.
67 extern void (*S32_alpha_D32_filter_DX)(const SkBitmapProcState&,
68 const uint32_t* xy, int count, SkPMColor*);
69 extern void (*S32_alpha_D32_filter_DXDY)(const SkBitmapProcState&,
70 const uint32_t* xy, int count, SkPMColor*);
71
72 #define M(st) +1
73 // We can't necessarily express the type of SkJumper stage functions here,
74 // so we just use this void(*)(void) as a stand-in.
75 using StageFn = void(*)(void);
76 extern StageFn stages_highp[SK_RASTER_PIPELINE_STAGES(M)], just_return_highp;
77 extern StageFn stages_lowp [SK_RASTER_PIPELINE_STAGES(M)], just_return_lowp;
78
79 extern void (*start_pipeline_highp)(size_t,size_t,size_t,size_t, void**);
80 extern void (*start_pipeline_lowp )(size_t,size_t,size_t,size_t, void**);
81 #undef M
82
83 extern void (*interpret_skvm)(const skvm::InterpreterInstruction insts[], int ninsts,
84 int nregs, int loop, const int strides[],
85 skvm::TraceHook* traceHooks[], int nTraceHooks,
86 int nargs, int n, void* args[]);
87 } // namespace SkOpts
88
89 /** Similar to memset(), but it assigns a 16, 32, or 64-bit value into the buffer.
90 @param buffer The memory to have value copied into it
91 @param value The value to be copied into buffer
92 @param count The number of times value should be copied into the buffer.
93 */
sk_memset16(uint16_t buffer[],uint16_t value,int count)94 static inline void sk_memset16(uint16_t buffer[], uint16_t value, int count) {
95 SkOpts::memset16(buffer, value, count);
96 }
sk_memset32(uint32_t buffer[],uint32_t value,int count)97 static inline void sk_memset32(uint32_t buffer[], uint32_t value, int count) {
98 SkOpts::memset32(buffer, value, count);
99 }
sk_memset64(uint64_t buffer[],uint64_t value,int count)100 static inline void sk_memset64(uint64_t buffer[], uint64_t value, int count) {
101 SkOpts::memset64(buffer, value, count);
102 }
103
104 #endif//SkOpts_DEFINED
105