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 #include "SkCpu.h"
9 #include "SkHalf.h"
10 #include "SkOnce.h"
11 #include "SkOpts.h"
12 
13 #if defined(SK_ARM_HAS_NEON)
14     #if defined(SK_ARM_HAS_CRC32)
15         #define SK_OPTS_NS neon_and_crc32
16     #else
17         #define SK_OPTS_NS neon
18     #endif
19 #elif SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_AVX2
20     #define SK_OPTS_NS avx2
21 #elif SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_AVX
22     #define SK_OPTS_NS avx
23 #elif SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE42
24     #define SK_OPTS_NS sse42
25 #elif SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE41
26     #define SK_OPTS_NS sse41
27 #elif SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSSE3
28     #define SK_OPTS_NS ssse3
29 #elif SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE3
30     #define SK_OPTS_NS sse3
31 #elif SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE2
32     #define SK_OPTS_NS sse2
33 #elif SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE1
34     #define SK_OPTS_NS sse
35 #else
36     #define SK_OPTS_NS portable
37 #endif
38 
39 #include "SkBlitMask_opts.h"
40 #include "SkBlitRow_opts.h"
41 #include "SkChecksum_opts.h"
42 #include "SkMorphologyImageFilter_opts.h"
43 #include "SkSwizzler_opts.h"
44 #include "SkUtils_opts.h"
45 #include "SkXfermode_opts.h"
46 
47 namespace SkOpts {
48     // Define default function pointer values here...
49     // If our global compile options are set high enough, these defaults might even be
50     // CPU-specialized, e.g. a typical x86-64 machine might start with SSE2 defaults.
51     // They'll still get a chance to be replaced with even better ones, e.g. using SSE4.1.
52 #define DEFINE_DEFAULT(name) decltype(name) name = SK_OPTS_NS::name
53     DEFINE_DEFAULT(create_xfermode);
54 
55     DEFINE_DEFAULT(dilate_x);
56     DEFINE_DEFAULT(dilate_y);
57     DEFINE_DEFAULT( erode_x);
58     DEFINE_DEFAULT( erode_y);
59 
60     DEFINE_DEFAULT(blit_mask_d32_a8);
61 
62     DEFINE_DEFAULT(blit_row_color32);
63     DEFINE_DEFAULT(blit_row_s32a_opaque);
64 
65     DEFINE_DEFAULT(RGBA_to_BGRA);
66     DEFINE_DEFAULT(RGBA_to_rgbA);
67     DEFINE_DEFAULT(RGBA_to_bgrA);
68     DEFINE_DEFAULT(RGB_to_RGB1);
69     DEFINE_DEFAULT(RGB_to_BGR1);
70     DEFINE_DEFAULT(gray_to_RGB1);
71     DEFINE_DEFAULT(grayA_to_RGBA);
72     DEFINE_DEFAULT(grayA_to_rgbA);
73     DEFINE_DEFAULT(inverted_CMYK_to_RGB1);
74     DEFINE_DEFAULT(inverted_CMYK_to_BGR1);
75 
76     DEFINE_DEFAULT(memset16);
77     DEFINE_DEFAULT(memset32);
78     DEFINE_DEFAULT(memset64);
79 
80     DEFINE_DEFAULT(hash_fn);
81 
82 #undef DEFINE_DEFAULT
83 
84     // Each Init_foo() is defined in src/opts/SkOpts_foo.cpp.
85     void Init_ssse3();
86     void Init_sse41();
87     void Init_sse42();
88     void Init_avx();
89     void Init_crc32();
90 
91     static void init() {
92 #if !defined(SK_BUILD_NO_OPTS)
93     #if defined(SK_CPU_X86)
94         #if SK_CPU_SSE_LEVEL < SK_CPU_SSE_LEVEL_SSSE3
95             if (SkCpu::Supports(SkCpu::SSSE3)) { Init_ssse3(); }
96         #endif
97 
98         #if SK_CPU_SSE_LEVEL < SK_CPU_SSE_LEVEL_SSE41
99             if (SkCpu::Supports(SkCpu::SSE41)) { Init_sse41(); }
100         #endif
101 
102         #if SK_CPU_SSE_LEVEL < SK_CPU_SSE_LEVEL_SSE42
103             if (SkCpu::Supports(SkCpu::SSE42)) { Init_sse42(); }
104         #endif
105 
106         #if SK_CPU_SSE_LEVEL < SK_CPU_SSE_LEVEL_AVX
107             if (SkCpu::Supports(SkCpu::AVX  )) { Init_avx();   }
108         #endif
109 
110     #elif defined(SK_CPU_ARM64)
111         if (SkCpu::Supports(SkCpu::CRC32)) { Init_crc32(); }
112 
113     #endif
114 #endif
115     }
116 
117     void Init() {
118         static SkOnce once;
119         once(init);
120     }
121 }  // namespace SkOpts
122