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#ifndef SkPM_DEFINED
#define SkPM_DEFINED
#include "SkTypes.h"
#include "SkColor.h"
// As usual, there are two ways to increase alignment... the MSVC way and the everyone-else way.
#ifdef _MSC_VER
#define ALIGN(N) __declspec(align(N))
#else
#define ALIGN(N) __attribute__((aligned(N)))
#endif
// A pre-multiplied color in the same order as SkPMColor storing each component as a float.
struct ALIGN(16) SkPMFloat {
float fColor[4];
float a() const { return fColor[SK_A32_SHIFT / 8]; }
float r() const { return fColor[SK_R32_SHIFT / 8]; }
float g() const { return fColor[SK_G32_SHIFT / 8]; }
float b() const { return fColor[SK_B32_SHIFT / 8]; }
void setA(float val) { fColor[SK_A32_SHIFT / 8] = val; }
void setR(float val) { fColor[SK_R32_SHIFT / 8] = val; }
void setG(float val) { fColor[SK_G32_SHIFT / 8] = val; }
void setB(float val) { fColor[SK_B32_SHIFT / 8] = val; }
void set(SkPMColor);
SkPMColor get() const; // May SkASSERT(this->isValid()).
SkPMColor clamped() const; // Will clamp all values to [0,1], then SkASSERT(this->isValid()).
bool isValid() const {
return this->a() >= 0 && this->a() <= 1
&& this->r() >= 0 && this->r() <= this->a()
&& this->g() >= 0 && this->g() <= this->a()
&& this->b() >= 0 && this->b() <= this->a();
}
};
#undef ALIGN
#if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE2
#include "../opts/SkPMFloat_SSE2.h"
#elif defined(__ARM_NEON__)
#include "../opts/SkPMFloat_neon.h"
#else
#include "../opts/SkPMFloat_none.h"
#endif
#endif//SkPM_DEFINED
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