From d8a4f772115bbb9d50c0e73613bdd879833da690 Mon Sep 17 00:00:00 2001 From: fmalita Date: Tue, 8 Mar 2016 10:20:49 -0800 Subject: Fix 4f gradient swizzle post http://crrev.com/1774523002 * store interval colors in pm4f-natural/RGBA order * swizzle to dst order during interval advance Also remove an unused Interval ctor. R=reed@google.com GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1770153002 Review URL: https://codereview.chromium.org/1770153002 --- src/effects/gradients/Sk4fGradientBase.cpp | 14 ++------------ src/effects/gradients/Sk4fGradientBase.h | 2 -- src/effects/gradients/Sk4fLinearGradient.cpp | 24 ++++++++++++++++++------ 3 files changed, 20 insertions(+), 20 deletions(-) (limited to 'src') diff --git a/src/effects/gradients/Sk4fGradientBase.cpp b/src/effects/gradients/Sk4fGradientBase.cpp index bd3c51a035..76fb178776 100644 --- a/src/effects/gradients/Sk4fGradientBase.cpp +++ b/src/effects/gradients/Sk4fGradientBase.cpp @@ -28,24 +28,14 @@ Interval::Interval(SkPMColor c0, SkScalar p0, , fZeroRamp(c0 == c1) { SkASSERT(p0 != p1); - const Sk4f c4f0 = SkNx_cast(Sk4b::Load(&c0)) * componentScale; - const Sk4f c4f1 = SkNx_cast(Sk4b::Load(&c1)) * componentScale; + const Sk4f c4f0 = SkPM4f::FromPMColor(c0).to4f() * componentScale; + const Sk4f c4f1 = SkPM4f::FromPMColor(c1).to4f() * componentScale; const Sk4f dc4f = (c4f1 - c4f0) / (p1 - p0); c4f0.store(&fC0.fVec); dc4f.store(&fDc.fVec); } -SkGradientShaderBase::GradientShaderBase4fContext:: -Interval::Interval(const Sk4f& c0, const Sk4f& dc, - SkScalar p0, SkScalar p1) - : fP0(p0) - , fP1(p1) - , fZeroRamp((dc == 0).allTrue()) { - c0.store(fC0.fVec); - dc.store(fDc.fVec); -} - bool SkGradientShaderBase::GradientShaderBase4fContext:: Interval::contains(SkScalar fx) const { return in_range(fx, fP0, fP1); diff --git a/src/effects/gradients/Sk4fGradientBase.h b/src/effects/gradients/Sk4fGradientBase.h index 1e65308f69..1fece72b52 100644 --- a/src/effects/gradients/Sk4fGradientBase.h +++ b/src/effects/gradients/Sk4fGradientBase.h @@ -29,8 +29,6 @@ protected: Interval(SkPMColor c0, SkScalar p0, SkPMColor c1, SkScalar p1, const Sk4f& componentScale); - Interval(const Sk4f& c0, const Sk4f& dc, - SkScalar p0, SkScalar p1); bool isZeroRamp() const { return fZeroRamp; } diff --git a/src/effects/gradients/Sk4fLinearGradient.cpp b/src/effects/gradients/Sk4fLinearGradient.cpp index 8478cb0be3..4a20a28b1f 100644 --- a/src/effects/gradients/Sk4fLinearGradient.cpp +++ b/src/effects/gradients/Sk4fLinearGradient.cpp @@ -161,6 +161,19 @@ float dst_component_scale() { return 255; } +template +Sk4f dst_swizzle(const SkPM4f&); + +template<> +Sk4f dst_swizzle(const SkPM4f& c) { + return c.to4f(); +} + +template<> +Sk4f dst_swizzle(const SkPM4f& c) { + return c.to4f_pmorder(); +} + SkPMColor pack_color(SkColor c, bool premul) { return premul ? SkPreMultiplyColor(c) @@ -304,11 +317,10 @@ LinearGradient4fContext::LinearGradient4fContext(const SkLinearGradient& shader, SkASSERT(shader.fColorCount > 1); SkASSERT(shader.fOrigColors); - const float kInv255Float = 1.0f / 255; - const float paintAlpha = rec.fPaint->getAlpha() * kInv255Float; + const float paintAlpha = rec.fPaint->getAlpha() * (1.0f / 255); const Sk4f componentScale = fColorsArePremul - ? Sk4f(paintAlpha * kInv255Float) - : Sk4f(kInv255Float, kInv255Float, kInv255Float, paintAlpha * kInv255Float); + ? Sk4f(paintAlpha) + : Sk4f(1.0f, 1.0f, 1.0f, paintAlpha); const bool dx_is_pos = fDstToPos.getScaleX() >= 0; const int first_index = dx_is_pos ? 0 : shader.fColorCount - 1; const int last_index = shader.fColorCount - 1 - first_index; @@ -562,8 +574,8 @@ public: private: void compute_interval_props(SkScalar t) { - fDc = Sk4f::Load(fInterval->fDc.fVec); - fCc = Sk4f::Load(fInterval->fC0.fVec); + fDc = dst_swizzle(fInterval->fDc); + fCc = dst_swizzle(fInterval->fC0); fCc = fCc + fDc * Sk4f(t); fCc = fCc * fDstComponentScale; fDcDx = fDc * fDstComponentScale * Sk4f(fDx); -- cgit v1.2.3