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 "SkBitmapProcState_opts.h"
40 #include "SkBlitMask_opts.h"
41 #include "SkBlitRow_opts.h"
42 #include "SkChecksum_opts.h"
43 #include "SkRasterPipeline_opts.h"
44 #include "SkSwizzler_opts.h"
45 #include "SkUtils_opts.h"
46 #include "SkXfermode_opts.h"
47 
48 namespace SkOpts {
49     // Define default function pointer values here...
50     // If our global compile options are set high enough, these defaults might even be
51     // CPU-specialized, e.g. a typical x86-64 machine might start with SSE2 defaults.
52     // They'll still get a chance to be replaced with even better ones, e.g. using SSE4.1.
53 #define DEFINE_DEFAULT(name) decltype(name) name = SK_OPTS_NS::name
54     DEFINE_DEFAULT(create_xfermode);
55 
56     DEFINE_DEFAULT(blit_mask_d32_a8);
57 
58     DEFINE_DEFAULT(blit_row_s32a_opaque);
59 
60     DEFINE_DEFAULT(RGBA_to_BGRA);
61     DEFINE_DEFAULT(RGBA_to_rgbA);
62     DEFINE_DEFAULT(RGBA_to_bgrA);
63     DEFINE_DEFAULT(RGB_to_RGB1);
64     DEFINE_DEFAULT(RGB_to_BGR1);
65     DEFINE_DEFAULT(gray_to_RGB1);
66     DEFINE_DEFAULT(grayA_to_RGBA);
67     DEFINE_DEFAULT(grayA_to_rgbA);
68     DEFINE_DEFAULT(inverted_CMYK_to_RGB1);
69     DEFINE_DEFAULT(inverted_CMYK_to_BGR1);
70 
71     DEFINE_DEFAULT(memset16);
72     DEFINE_DEFAULT(memset32);
73     DEFINE_DEFAULT(memset64);
74 
75     DEFINE_DEFAULT(hash_fn);
76 
77     DEFINE_DEFAULT(S32_alpha_D32_filter_DX);
78 #undef DEFINE_DEFAULT
79 
80 #define M(st) (StageFn)SK_OPTS_NS::st,
81     StageFn stages_highp[] = { SK_RASTER_PIPELINE_STAGES(M) };
82     StageFn just_return_highp = (StageFn)SK_OPTS_NS::just_return;
83     void (*start_pipeline_highp)(size_t,size_t,size_t,size_t,void**)
84         = SK_OPTS_NS::start_pipeline;
85 #undef M
86 
87 #define M(st) (StageFn)SK_OPTS_NS::lowp::st,
88     StageFn stages_lowp[] = { SK_RASTER_PIPELINE_STAGES(M) };
89     StageFn just_return_lowp = (StageFn)SK_OPTS_NS::lowp::just_return;
90     void (*start_pipeline_lowp)(size_t,size_t,size_t,size_t,void**)
91         = SK_OPTS_NS::lowp::start_pipeline;
92 #undef M
93 
94     // Each Init_foo() is defined in src/opts/SkOpts_foo.cpp.
95     void Init_ssse3();
96     void Init_sse41();
97     void Init_sse42();
98     void Init_avx();
99     void Init_hsw();
100     void Init_crc32();
101 
init()102     static void init() {
103 #if !defined(SK_BUILD_NO_OPTS)
104     #if defined(SK_CPU_X86)
105         #if SK_CPU_SSE_LEVEL < SK_CPU_SSE_LEVEL_SSSE3
106             if (SkCpu::Supports(SkCpu::SSSE3)) { Init_ssse3(); }
107         #endif
108 
109         #if SK_CPU_SSE_LEVEL < SK_CPU_SSE_LEVEL_SSE41
110             if (SkCpu::Supports(SkCpu::SSE41)) { Init_sse41(); }
111         #endif
112 
113         #if SK_CPU_SSE_LEVEL < SK_CPU_SSE_LEVEL_SSE42
114             if (SkCpu::Supports(SkCpu::SSE42)) { Init_sse42(); }
115         #endif
116 
117         #if SK_CPU_SSE_LEVEL < SK_CPU_SSE_LEVEL_AVX
118             if (SkCpu::Supports(SkCpu::AVX)) { Init_avx();   }
119             if (SkCpu::Supports(SkCpu::HSW)) { Init_hsw();   }
120         #endif
121 
122     #elif defined(SK_CPU_ARM64)
123         if (SkCpu::Supports(SkCpu::CRC32)) { Init_crc32(); }
124 
125     #endif
126 #endif
127     }
128 
Init()129     void Init() {
130         static SkOnce once;
131         once(init);
132     }
133 }  // namespace SkOpts
134