#include "SkNx.h"
#include "SkColor.h"
-#include "SkColorPriv.h"
// This file may be included multiple times by .cpp files with different flags, leading
// to different definitions. Usually that doesn't matter because it's all inlined, but
void store2(SkPMColor[2]) const;
void store1(SkPMColor[1]) const;
- // Same as above for 565.
- static Sk4px Load4(const SkPMColor16 src[4]);
- static Sk4px Load2(const SkPMColor16 src[2]);
- static Sk4px Load1(const SkPMColor16 src[1]);
- void store4(SkPMColor16 dst[4]) const;
- void store2(SkPMColor16 dst[2]) const;
- void store1(SkPMColor16 dst[1]) const;
-
// 1, 2, or 4 SkPMColors with 16-bit components.
// This is most useful as the result of a multiply, e.g. from mulWiden().
class Wide : public Sk16h {
// A generic driver that maps fn over a src array into a dst array.
// fn should take an Sk4px (4 src pixels) and return an Sk4px (4 dst pixels).
- template <typename Fn, typename Dst>
- static void MapSrc(int n, Dst* dst, const SkPMColor* src, const Fn& fn) {
+ template <typename Fn>
+ static void MapSrc(int n, SkPMColor* dst, const SkPMColor* src, const Fn& fn) {
// This looks a bit odd, but it helps loop-invariant hoisting across different calls to fn.
// Basically, we need to make sure we keep things inside a single loop.
while (n > 0) {
}
// As above, but with dst4' = fn(dst4, src4).
- template <typename Fn, typename Dst>
- static void MapDstSrc(int n, Dst* dst, const SkPMColor* src, const Fn& fn) {
+ template <typename Fn>
+ static void MapDstSrc(int n, SkPMColor* dst, const SkPMColor* src, const Fn& fn) {
while (n > 0) {
if (n >= 8) {
Sk4px dst0 = fn(Load4(dst+0), Load4(src+0)),
}
// As above, but with dst4' = fn(dst4, src4, alpha4).
- template <typename Fn, typename Dst>
- static void MapDstSrcAlpha(int n, Dst* dst, const SkPMColor* src, const SkAlpha* a,
+ template <typename Fn>
+ static void MapDstSrcAlpha(int n, SkPMColor* dst, const SkPMColor* src, const SkAlpha* a,
const Fn& fn) {
while (n > 0) {
if (n >= 8) {
typedef Sk16b INHERITED;
};
-// TODO: specialize these per-backend
-
-inline Sk4px Sk4px::Load4(const SkPMColor16 src[4]) {
- SkPMColor src32[4];
- for (int i = 0; i < 4; i++) { src32[i] = SkPixel16ToPixel32(src[i]); }
- return Load4(src32);
-}
-inline Sk4px Sk4px::Load2(const SkPMColor16 src[2]) {
- SkPMColor src32[2];
- for (int i = 0; i < 2; i++) { src32[i] = SkPixel16ToPixel32(src[i]); }
- return Load2(src32);
-}
-inline Sk4px Sk4px::Load1(const SkPMColor16 src[1]) {
- SkPMColor src32 = SkPixel16ToPixel32(src[0]);
- return Load1(&src32);
-}
-
-inline void Sk4px::store4(SkPMColor16 dst[4]) const {
- SkPMColor dst32[4];
- this->store4(dst32);
- for (int i = 0; i < 4; i++) { dst[i] = SkPixel32ToPixel16(dst32[i]); }
-}
-inline void Sk4px::store2(SkPMColor16 dst[2]) const {
- SkPMColor dst32[2];
- this->store2(dst32);
- for (int i = 0; i < 2; i++) { dst[i] = SkPixel32ToPixel16(dst32[i]); }
-}
-inline void Sk4px::store1(SkPMColor16 dst[1]) const {
- SkPMColor dst32;
- this->store1(&dst32);
- dst[0] = SkPixel32ToPixel16(dst32);
-}
-
} // namespace
#ifdef SKNX_NO_SIMD
}
}
- void xfer16(uint16_t dst[], const SkPMColor src[], int n, const SkAlpha aa[]) const override {
- if (NULL == aa) {
- Sk4px::MapDstSrc(n, dst, src, [&](const Sk4px& dst4, const Sk4px& src4) {
- return ProcType::Xfer(src4, dst4);
- });
- } else {
- Sk4px::MapDstSrcAlpha(n, dst, src, aa,
- [&](const Sk4px& dst4, const Sk4px& src4, const Sk4px& alpha) {
- return xfer_aa<ProcType>(src4, dst4, alpha);
- });
- }
- }
-
private:
SkT4pxXfermode(const ProcCoeff& rec) : INHERITED(rec, ProcType::kMode) {}
void xfer32(SkPMColor dst[], const SkPMColor src[], int n, const SkAlpha aa[]) const override {
for (int i = 0; i < n; i++) {
- dst[i] = aa ? this->xfer32(dst[i], src[i], aa[i])
- : this->xfer32(dst[i], src[i]);
- }
- }
-
- void xfer16(uint16_t dst[], const SkPMColor src[], int n, const SkAlpha aa[]) const override {
- for (int i = 0; i < n; i++) {
- SkPMColor dst32 = SkPixel16ToPixel32(dst[i]);
- dst32 = aa ? this->xfer32(dst32, src[i], aa[i])
- : this->xfer32(dst32, src[i]);
- dst[i] = SkPixel32ToPixel16(dst32);
+ SkPMFloat s(src[i]),
+ d(dst[i]),
+ b(ProcType::Xfer(s,d));
+ if (aa) {
+ // We do aa in full float precision before going back down to bytes, because we can!
+ SkPMFloat a = Sk4f(aa[i]) * Sk4f(1.0f/255);
+ b = b*a + d*(Sk4f(1)-a);
+ }
+ dst[i] = b.round();
}
}
private:
- inline SkPMColor xfer32(SkPMColor dst, SkPMColor src) const {
- return ProcType::Xfer(SkPMFloat(src), SkPMFloat(dst)).round();
- }
-
- inline SkPMColor xfer32(SkPMColor dst, SkPMColor src, SkAlpha aa) const {
- SkPMFloat s(src),
- d(dst),
- b(ProcType::Xfer(s,d));
- // We do aa in full float precision before going back down to bytes, because we can!
- SkPMFloat a = Sk4f(aa) * Sk4f(1.0f/255);
- b = b*a + d*(Sk4f(1)-a);
- return b.round();
- }
-
SkTPMFloatXfermode(const ProcCoeff& rec) : INHERITED(rec, ProcType::kMode) {}
typedef SkProcCoeffXfermode INHERITED;