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Side by Side Diff: src/core/SkPMFloat.h

Issue 1055123002: New names for SkPMFloat methods. (Closed) Base URL: https://skia.googlesource.com/skia@master
Patch Set: one more Created 5 years, 8 months ago
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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
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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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