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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef SkPM_DEFINED | 8 #ifndef SkPM_DEFINED |
9 #define SkPM_DEFINED | 9 #define SkPM_DEFINED |
10 | 10 |
(...skipping 27 matching lines...) Expand all Loading... |
38 /*implicit*/ SkPMFloat(const Sk4f& fs) { fColors = fs; } | 38 /*implicit*/ SkPMFloat(const Sk4f& fs) { fColors = fs; } |
39 /*implicit*/ operator Sk4f() const { return fColors; } | 39 /*implicit*/ operator Sk4f() const { return fColors; } |
40 | 40 |
41 float a() const { return fColors[SK_A32_SHIFT / 8]; } | 41 float a() const { return fColors[SK_A32_SHIFT / 8]; } |
42 float r() const { return fColors[SK_R32_SHIFT / 8]; } | 42 float r() const { return fColors[SK_R32_SHIFT / 8]; } |
43 float g() const { return fColors[SK_G32_SHIFT / 8]; } | 43 float g() const { return fColors[SK_G32_SHIFT / 8]; } |
44 float b() const { return fColors[SK_B32_SHIFT / 8]; } | 44 float b() const { return fColors[SK_B32_SHIFT / 8]; } |
45 | 45 |
46 // N.B. All methods returning an SkPMColor call SkPMColorAssert on that resu
lt before returning. | 46 // N.B. All methods returning an SkPMColor call SkPMColorAssert on that resu
lt before returning. |
47 | 47 |
48 // get() and clamped() round component values to the nearest integer. | 48 // round() and roundClamp() round component values to the nearest integer. |
49 SkPMColor get() const; // Assumes all values in [0, 255]. Some impleme
ntations may clamp. | 49 SkPMColor round() const; // Assumes all values in [0, 255]. Some implement
ations may clamp. |
50 SkPMColor clamped() const; // Will clamp all values to [0, 255]. | 50 SkPMColor roundClamp() const; // Will clamp all values to [0, 255]. |
51 | 51 |
52 // Like get(), but truncates instead of rounding. | 52 // Like round(), but truncates instead of rounding. |
53 // The domain of this function is (-1.0f, 256.0f). Values in (-1.0f, 0.0f]
trunc to a zero. | 53 // The domain of this function is (-1.0f, 256.0f). Values in (-1.0f, 0.0f]
trunc to a zero. |
54 SkPMColor trunc() const; | 54 SkPMColor trunc() const; |
55 | 55 |
56 // 4-at-a-time versions of get() and clamped(). Like From4PMColors(), no al
ignment assumed. | 56 // 4-at-a-time versions of round() and roundClamp(). Like From4PMColors(), n
o alignment assumed. |
57 static void To4PMColors( | 57 static void RoundTo4PMColors( |
58 const SkPMFloat&, const SkPMFloat&, const SkPMFloat&, const SkPMFloa
t&, SkPMColor[4]); | 58 const SkPMFloat&, const SkPMFloat&, const SkPMFloat&, const SkPMFloa
t&, SkPMColor[4]); |
59 static void ClampTo4PMColors( | 59 static void RoundClampTo4PMColors( |
60 const SkPMFloat&, const SkPMFloat&, const SkPMFloat&, const SkPMFloa
t&, SkPMColor[4]); | 60 const SkPMFloat&, const SkPMFloat&, const SkPMFloat&, const SkPMFloa
t&, SkPMColor[4]); |
61 | 61 |
62 bool isValid() const { | 62 bool isValid() const { |
63 return this->a() >= 0 && this->a() <= 255 | 63 return this->a() >= 0 && this->a() <= 255 |
64 && this->r() >= 0 && this->r() <= this->a() | 64 && this->r() >= 0 && this->r() <= this->a() |
65 && this->g() >= 0 && this->g() <= this->a() | 65 && this->g() >= 0 && this->g() <= this->a() |
66 && this->b() >= 0 && this->b() <= this->a(); | 66 && this->b() >= 0 && this->b() <= this->a(); |
67 } | 67 } |
68 | 68 |
69 private: | 69 private: |
70 Sk4f fColors; | 70 Sk4f fColors; |
71 }; | 71 }; |
72 | 72 |
73 #ifdef SKNX_NO_SIMD | 73 #ifdef SKNX_NO_SIMD |
74 // Platform implementations of SkPMFloat assume Sk4f uses SSE or NEON. _non
e is generic. | 74 // Platform implementations of SkPMFloat assume Sk4f uses SSE or NEON. _non
e is generic. |
75 #include "../opts/SkPMFloat_none.h" | 75 #include "../opts/SkPMFloat_none.h" |
76 #else | 76 #else |
77 #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSSE3 | 77 #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSSE3 |
78 #include "../opts/SkPMFloat_SSSE3.h" | 78 #include "../opts/SkPMFloat_SSSE3.h" |
79 #elif SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE2 | 79 #elif SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE2 |
80 #include "../opts/SkPMFloat_SSE2.h" | 80 #include "../opts/SkPMFloat_SSE2.h" |
81 #elif defined(SK_ARM_HAS_NEON) | 81 #elif defined(SK_ARM_HAS_NEON) |
82 #include "../opts/SkPMFloat_neon.h" | 82 #include "../opts/SkPMFloat_neon.h" |
83 #else | 83 #else |
84 #include "../opts/SkPMFloat_none.h" | 84 #include "../opts/SkPMFloat_none.h" |
85 #endif | 85 #endif |
86 #endif | 86 #endif |
87 | 87 |
88 #endif//SkPM_DEFINED | 88 #endif//SkPM_DEFINED |
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