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

Issue 1047823002: back to Sk4f for SkPMColor (Closed) Base URL: https://skia.googlesource.com/skia@master
Patch Set: rebase 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
(...skipping 16 matching lines...) Expand all
27 SkPMFloat() {} 27 SkPMFloat() {}
28 explicit SkPMFloat(SkPMColor); 28 explicit SkPMFloat(SkPMColor);
29 SkPMFloat(float a, float r, float g, float b) 29 SkPMFloat(float a, float r, float g, float b)
30 #ifdef SK_PMCOLOR_IS_RGBA 30 #ifdef SK_PMCOLOR_IS_RGBA
31 : fColors(r,g,b,a) {} 31 : fColors(r,g,b,a) {}
32 #else 32 #else
33 : fColors(b,g,r,a) {} 33 : fColors(b,g,r,a) {}
34 #endif 34 #endif
35 35
36 36
37 // Freely autoconvert between SkPMFloat and Sk4s. 37 // Freely autoconvert between SkPMFloat and Sk4f.
38 /*implicit*/ SkPMFloat(const Sk4s& fs) { fColors = fs; } 38 /*implicit*/ SkPMFloat(const Sk4f& fs) { fColors = fs; }
39 /*implicit*/ operator Sk4s() 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 // get() and clamped() round component values to the nearest integer. 46 // get() and clamped() round component values to the nearest integer.
47 SkPMColor get() const; // May SkASSERT(this->isValid()). Some implemen tations may clamp. 47 SkPMColor get() const; // May SkASSERT(this->isValid()). Some implemen tations may clamp.
48 SkPMColor clamped() const; // Will clamp all values to [0, 255]. Then may assert isValid(). 48 SkPMColor clamped() const; // Will clamp all values to [0, 255]. Then may assert isValid().
49 49
50 // Like get(), but truncates instead of rounding. 50 // Like get(), but truncates instead of rounding.
51 // The domain of this function is (-1.0f, 256.0f). Values in (-1.0f, 0.0f] trunc to a zero. 51 // The domain of this function is (-1.0f, 256.0f). Values in (-1.0f, 0.0f] trunc to a zero.
52 SkPMColor trunc() const; 52 SkPMColor trunc() const;
53 53
54 // 4-at-a-time versions of get() and clamped(). Like From4PMColors(), no al ignment assumed. 54 // 4-at-a-time versions of get() and clamped(). Like From4PMColors(), no al ignment assumed.
55 static void To4PMColors( 55 static void To4PMColors(
56 const SkPMFloat&, const SkPMFloat&, const SkPMFloat&, const SkPMFloa t&, SkPMColor[4]); 56 const SkPMFloat&, const SkPMFloat&, const SkPMFloat&, const SkPMFloa t&, SkPMColor[4]);
57 static void ClampTo4PMColors( 57 static void ClampTo4PMColors(
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 59
60 bool isValid() const { 60 bool isValid() const {
61 return this->a() >= 0 && this->a() <= 255 61 return this->a() >= 0 && this->a() <= 255
62 && this->r() >= 0 && this->r() <= this->a() 62 && this->r() >= 0 && this->r() <= this->a()
63 && this->g() >= 0 && this->g() <= this->a() 63 && this->g() >= 0 && this->g() <= this->a()
64 && this->b() >= 0 && this->b() <= this->a(); 64 && this->b() >= 0 && this->b() <= this->a();
65 } 65 }
66 66
67 private: 67 private:
68 Sk4s fColors; 68 Sk4f fColors;
69 }; 69 };
70 70
71 #ifdef SKNX_NO_SIMD 71 #ifdef SKNX_NO_SIMD
72 // Platform implementations of SkPMFloat assume Sk4s uses SSE or NEON. _non e is generic. 72 // Platform implementations of SkPMFloat assume Sk4f uses SSE or NEON. _non e is generic.
73 #include "../opts/SkPMFloat_none.h" 73 #include "../opts/SkPMFloat_none.h"
74 #else 74 #else
75 #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSSE3 75 #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSSE3
76 #include "../opts/SkPMFloat_SSSE3.h" 76 #include "../opts/SkPMFloat_SSSE3.h"
77 #elif SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE2 77 #elif SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE2
78 #include "../opts/SkPMFloat_SSE2.h" 78 #include "../opts/SkPMFloat_SSE2.h"
79 #elif defined(SK_ARM_HAS_NEON) 79 #elif defined(SK_ARM_HAS_NEON)
80 #include "../opts/SkPMFloat_neon.h" 80 #include "../opts/SkPMFloat_neon.h"
81 #else 81 #else
82 #include "../opts/SkPMFloat_none.h" 82 #include "../opts/SkPMFloat_none.h"
83 #endif 83 #endif
84 #endif 84 #endif
85 85
86 #endif//SkPM_DEFINED 86 #endif//SkPM_DEFINED
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