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| 1 #ifndef SkPM_DEFINED |
| 2 #define SkPM_DEFINED |
| 3 |
| 4 #include "SkTypes.h" |
| 5 #include "SkColor.h" |
| 6 |
| 7 // As usual, there are two ways to increase alignment... the MSVC way and the ev
eryone-else way. |
| 8 #ifdef _MSC_VER |
| 9 #define ALIGN(N) __declspec(align(N)) |
| 10 #else |
| 11 #define ALIGN(N) __attribute__((aligned(N))) |
| 12 #endif |
| 13 |
| 14 // A pre-multiplied color in the same order as SkPMColor storing each component
as a float. |
| 15 struct ALIGN(16) SkPMFloat { |
| 16 float fColor[4]; |
| 17 |
| 18 float a() const { return fColor[SK_A32_SHIFT / 8]; } |
| 19 float r() const { return fColor[SK_R32_SHIFT / 8]; } |
| 20 float g() const { return fColor[SK_G32_SHIFT / 8]; } |
| 21 float b() const { return fColor[SK_B32_SHIFT / 8]; } |
| 22 |
| 23 void setA(float val) { fColor[SK_A32_SHIFT / 8] = val; } |
| 24 void setR(float val) { fColor[SK_R32_SHIFT / 8] = val; } |
| 25 void setG(float val) { fColor[SK_G32_SHIFT / 8] = val; } |
| 26 void setB(float val) { fColor[SK_B32_SHIFT / 8] = val; } |
| 27 |
| 28 void set(SkPMColor); |
| 29 |
| 30 SkPMColor get() const; // May SkASSERT(this->isValid()). |
| 31 SkPMColor clamped() const; // Will clamp all values to [0,1], then SkASSERT
(this->isValid()). |
| 32 |
| 33 bool isValid() const { |
| 34 return this->a() >= 0 && this->a() <= 1 |
| 35 && this->r() >= 0 && this->r() <= this->a() |
| 36 && this->g() >= 0 && this->g() <= this->a() |
| 37 && this->b() >= 0 && this->b() <= this->a(); |
| 38 } |
| 39 }; |
| 40 #undef ALIGN |
| 41 |
| 42 #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE2 |
| 43 #include "../opts/SkPMFloat_SSE2.h" |
| 44 #elif defined(__ARM_NEON__) |
| 45 #include "../opts/SkPMFloat_neon.h" |
| 46 #else |
| 47 #include "../opts/SkPMFloat_none.h" |
| 48 #endif |
| 49 |
| 50 #endif//SkPM_DEFINED |
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