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Side by Side Diff: src/opts/SkBlitRow_opts_arm_neon.cpp

Issue 1157633003: Revert of Re-proc SkBlitRow::Color32 for ARM. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 5 years, 7 months ago
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1 /* 1 /*
2 * Copyright 2012 The Android Open Source Project 2 * Copyright 2012 The Android Open Source Project
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 #include "SkBlitRow_opts_arm_neon.h" 8 #include "SkBlitRow_opts_arm_neon.h"
9 9
10 #include "SkBlitMask.h" 10 #include "SkBlitMask.h"
(...skipping 1712 matching lines...) Expand 10 before | Expand all | Expand 10 after
1723 S32A_Opaque_BlitRow32_neon_src_alpha, // S32A_Opaque, 1723 S32A_Opaque_BlitRow32_neon_src_alpha, // S32A_Opaque,
1724 #else 1724 #else
1725 S32A_Opaque_BlitRow32_neon, // S32A_Opaque, 1725 S32A_Opaque_BlitRow32_neon, // S32A_Opaque,
1726 #endif 1726 #endif
1727 #ifdef SK_CPU_ARM32 1727 #ifdef SK_CPU_ARM32
1728 S32A_Blend_BlitRow32_neon // S32A_Blend 1728 S32A_Blend_BlitRow32_neon // S32A_Blend
1729 #else 1729 #else
1730 NULL 1730 NULL
1731 #endif 1731 #endif
1732 }; 1732 };
1733
1734 #include "Sk4px.h"
1735
1736 void sk_blitrow_color32_arm_neon(SkPMColor* dst, const SkPMColor* src, int count , SkPMColor color) {
1737 // Until it becomes a little more reasonable to assume we'll be built with N EON,
1738 // we copy our Sk4px implementation of SkBlitRow::Color32 here so it picks u p NEON at runtime.
1739 unsigned invA = 255 - SkGetPackedA32(color);
1740 invA += invA >> 7;
1741 SkASSERT(invA < 256); // Our caller has already handled the alpha == 0 case .
1742
1743 Sk16h colorHighAndRound = Sk4px(color).widenHi() + Sk16h(128);
1744 Sk16b invA_16x(invA);
1745
1746 Sk4px::MapSrc(count, dst, src, [&](const Sk4px& src4) -> Sk4px {
1747 return src4.mulWiden(invA_16x).addNarrowHi(colorHighAndRound);
1748 });
1749 }
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