181     unsigned fi = SkGradFixedToFixed(fx) >> SkGradientShaderBase::kCache32Shift; \
183     fx += dx;                       \
190 typedef void (*LinearShadeProc)(TileProc proc, SkGradFixed dx, SkGradFixed fx,
197 void shadeSpan_linear_vertical_lerp(TileProc proc, SkGradFixed dx, SkGradFixed fx,  in shadeSpan_linear_vertical_lerp()  argument
204     unsigned fullIndex = proc(SkGradFixedToFixed(fx));  in shadeSpan_linear_vertical_lerp()
220 void shadeSpan_linear_clamp(TileProc proc, SkGradFixed dx, SkGradFixed fx,  in shadeSpan_linear_clamp()  argument
225     range.init(fx, dx, count, 0, SkGradientShaderBase::kCache32Count - 1);  in shadeSpan_linear_clamp()
237         fx = range.fFx1;  in shadeSpan_linear_clamp()
258 void shadeSpan_linear_mirror(TileProc proc, SkGradFixed dx, SkGradFixed fx,  in shadeSpan_linear_mirror()  argument
263         unsigned fi = mirror_8bits(SkGradFixedToFixed(fx) >> 8);  in shadeSpan_linear_mirror()
265         fx += dx;  in shadeSpan_linear_mirror()
271 void shadeSpan_linear_repeat(TileProc proc, SkGradFixed dx, SkGradFixed fx,  in shadeSpan_linear_repeat()  argument
276         unsigned fi = repeat_8bits(SkGradFixedToFixed(fx) >> 8);  in shadeSpan_linear_repeat()
278         fx += dx;  in shadeSpan_linear_repeat()
310         SkGradFixed dx, fx = SkScalarToGradFixed(srcPt.fX);  in shadeSpan()  local
331         (*shadeProc)(proc, dx, fx, dstC, cache, toggle, count);  in shadeSpan()
569 static Sk4f lerp_color(float fx, const SkLinearGradient::LinearGradientContext::Rec* rec) {  in lerp_color()  argument
570     SkASSERT(fx >= rec[0].fPos);  in lerp_color()
571     SkASSERT(fx <= rec[1].fPos);  in lerp_color()
578     const float t = (fx - p0) * scale;  in lerp_color()
618                                                               float fx, float dx, float invDx,  in shade4_dx_clamp()  argument
628         if (fx < 0) {  in shade4_dx_clamp()
629             int n = SkTMin(SkFloatToIntFloor(-fx * invDx) + 1, count);  in shade4_dx_clamp()
633             fx += n * dx;  in shade4_dx_clamp()
634             SkASSERT(0 == count || fx >= 0);  in shade4_dx_clamp()
640         if (fx > 1) {  in shade4_dx_clamp()
641             int n = SkTMin(SkFloatToIntFloor((1 - fx) * invDx) + 1, count);  in shade4_dx_clamp()
645             fx += n * dx;  in shade4_dx_clamp()
646             SkASSERT(0 == count || fx <= 1);  in shade4_dx_clamp()
663             if (fx >= 1) {  in shade4_dx_clamp()
668             if (fx <= 0) {  in shade4_dx_clamp()
675             r = find_forward(r, fx);  in shade4_dx_clamp()
677             r = find_backward(r, fx);  in shade4_dx_clamp()
686         const float t = (fx - p0) * scale;  in shade4_dx_clamp()
692             n = SkTMin((int)((p1 - fx) * invDx) + 1, count);  in shade4_dx_clamp()
694             n = SkTMin((int)((p0 - fx) * invDx) + 1, count);  in shade4_dx_clamp()
697         fx += n * dx;  in shade4_dx_clamp()
701             fx = SkTMax(fx, p1);  in shade4_dx_clamp()
703             fx = SkTMin(fx, p0);  in shade4_dx_clamp()
726     float fx = srcPt.x();  in shade4_clamp()  local
748         const float pinFx = SkTPin(fx, 0.0f, 1.0f);  in shade4_clamp()
760             this->shade4_dx_clamp<true, true>(dstC, count, fx, dx, invDx, dither);  in shade4_clamp()
762             this->shade4_dx_clamp<false, true>(dstC, count, fx, dx, invDx, dither);  in shade4_clamp()
766             this->shade4_dx_clamp<true, false>(dstC, count, fx, dx, invDx, dither);  in shade4_clamp()
768             this->shade4_dx_clamp<false, false>(dstC, count, fx, dx, invDx, dither);  in shade4_clamp()