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Diffstat (limited to 'src/core/SkXfermodeF16.cpp')
| -rw-r--r-- | src/core/SkXfermodeF16.cpp | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/src/core/SkXfermodeF16.cpp b/src/core/SkXfermodeF16.cpp deleted file mode 100644 index ece4a097c3..0000000000 --- a/src/core/SkXfermodeF16.cpp +++ /dev/null @@ -1,164 +0,0 @@ -/* - * Copyright 2016 Google Inc. - * - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -#include "SkHalf.h" -#include "SkPM4fPriv.h" -#include "SkUtils.h" -#include "SkXfermodePriv.h" - -static Sk4f lerp_by_coverage(const Sk4f& src, const Sk4f& dst, uint8_t srcCoverage) { - return dst + (src - dst) * Sk4f(srcCoverage * (1/255.0f)); -} - -/////////////////////////////////////////////////////////////////////////////////////////////////// - -static void xfer_1(SkBlendMode mode, uint64_t dst[], const SkPM4f* src, int count, - const SkAlpha aa[]) { - SkXfermodeProc4f proc = SkXfermode::GetProc4f(mode); - SkPM4f d; - if (aa) { - for (int i = 0; i < count; ++i) { - Sk4f d4 = SkHalfToFloat_finite_ftz(dst[i]); - d4.store(d.fVec); - Sk4f r4 = Sk4f::Load(proc(*src, d).fVec); - SkFloatToHalf_finite_ftz(lerp_by_coverage(r4, d4, aa[i])).store(&dst[i]); - } - } else { - for (int i = 0; i < count; ++i) { - SkHalfToFloat_finite_ftz(dst[i]).store(d.fVec); - Sk4f r4 = Sk4f::Load(proc(*src, d).fVec); - SkFloatToHalf_finite_ftz(r4).store(&dst[i]); - } - } -} - -static void xfer_n(SkBlendMode mode, uint64_t dst[], const SkPM4f src[], int count, - const SkAlpha aa[]) { - SkXfermodeProc4f proc = SkXfermode::GetProc4f(mode); - SkPM4f d; - if (aa) { - for (int i = 0; i < count; ++i) { - Sk4f d4 = SkHalfToFloat_finite_ftz(dst[i]); - d4.store(d.fVec); - Sk4f r4 = Sk4f::Load(proc(src[i], d).fVec); - SkFloatToHalf_finite_ftz(lerp_by_coverage(r4, d4, aa[i])).store(&dst[i]); - } - } else { - for (int i = 0; i < count; ++i) { - SkHalfToFloat_finite_ftz(dst[i]).store(d.fVec); - Sk4f r4 = Sk4f::Load(proc(src[i], d).fVec); - SkFloatToHalf_finite_ftz(r4).store(&dst[i]); - } - } -} - -const SkXfermode::F16Proc gProcs_General[] = { xfer_n, xfer_n, xfer_1, xfer_1 }; - -/////////////////////////////////////////////////////////////////////////////////////////////////// - -static void clear(SkBlendMode, uint64_t dst[], const SkPM4f*, int count, const SkAlpha aa[]) { - if (aa) { - for (int i = 0; i < count; ++i) { - if (aa[i]) { - const Sk4f d4 = SkHalfToFloat_finite_ftz(dst[i]); - SkFloatToHalf_finite_ftz(d4 * Sk4f((255 - aa[i]) * 1.0f/255)).store(&dst[i]); - } - } - } else { - sk_memset64(dst, 0, count); - } -} - -const SkXfermode::F16Proc gProcs_Clear[] = { clear, clear, clear, clear }; - -/////////////////////////////////////////////////////////////////////////////////////////////////// - -static void src_1(SkBlendMode, uint64_t dst[], const SkPM4f* src, int count, const SkAlpha aa[]) { - const Sk4f s4 = Sk4f::Load(src->fVec); - if (aa) { - for (int i = 0; i < count; ++i) { - const Sk4f d4 = SkHalfToFloat_finite_ftz(dst[i]); - SkFloatToHalf_finite_ftz(lerp_by_coverage(s4, d4, aa[i])).store(&dst[i]); - } - } else { - uint64_t s4h; - SkFloatToHalf_finite_ftz(s4).store(&s4h); - sk_memset64(dst, s4h, count); - } -} - -static void src_n(SkBlendMode, uint64_t dst[], const SkPM4f src[], int count, const SkAlpha aa[]) { - if (aa) { - for (int i = 0; i < count; ++i) { - const Sk4f s4 = Sk4f::Load(src[i].fVec); - const Sk4f d4 = SkHalfToFloat_finite_ftz(dst[i]); - SkFloatToHalf_finite_ftz(lerp_by_coverage(s4, d4, aa[i])).store(&dst[i]); - } - } else { - for (int i = 0; i < count; ++i) { - const Sk4f s4 = Sk4f::Load(src[i].fVec); - SkFloatToHalf_finite_ftz(s4).store(&dst[i]); - } - } -} - -const SkXfermode::F16Proc gProcs_Src[] = { src_n, src_n, src_1, src_1 }; - -/////////////////////////////////////////////////////////////////////////////////////////////////// - -static void dst(SkBlendMode, uint64_t*, const SkPM4f*, int count, const SkAlpha[]) {} - -const SkXfermode::F16Proc gProcs_Dst[] = { dst, dst, dst, dst }; - -/////////////////////////////////////////////////////////////////////////////////////////////////// - -static void srcover_1(SkBlendMode, uint64_t dst[], const SkPM4f* src, int count, - const SkAlpha aa[]) { - const Sk4f s4 = Sk4f::Load(src->fVec); - const Sk4f dst_scale = Sk4f(1 - get_alpha(s4)); - for (int i = 0; i < count; ++i) { - const Sk4f d4 = SkHalfToFloat_finite_ftz(dst[i]); - const Sk4f r4 = s4 + d4 * dst_scale; - if (aa) { - SkFloatToHalf_finite_ftz(lerp_by_coverage(r4, d4, aa[i])).store(&dst[i]); - } else { - SkFloatToHalf_finite_ftz(r4).store(&dst[i]); - } - } -} - -static void srcover_n(SkBlendMode, uint64_t dst[], const SkPM4f src[], int count, - const SkAlpha aa[]) { - for (int i = 0; i < count; ++i) { - Sk4f s = Sk4f::Load(src+i), - d = SkHalfToFloat_finite_ftz(dst[i]), - r = s + d*(1.0f - SkNx_shuffle<3,3,3,3>(s)); - if (aa) { - r = lerp_by_coverage(r, d, aa[i]); - } - SkFloatToHalf_finite_ftz(r).store(&dst[i]); - } -} - -const SkXfermode::F16Proc gProcs_SrcOver[] = { srcover_n, src_n, srcover_1, src_1 }; - -/////////////////////////////////////////////////////////////////////////////////////////////////// - -SkXfermode::F16Proc SkXfermode::GetF16Proc(SkBlendMode mode, uint32_t flags) { - SkASSERT(0 == (flags & ~3)); - flags &= 3; - - switch (mode) { - case SkBlendMode::kClear: return gProcs_Clear[flags]; - case SkBlendMode::kSrc: return gProcs_Src[flags]; - case SkBlendMode::kDst: return gProcs_Dst[flags]; - case SkBlendMode::kSrcOver: return gProcs_SrcOver[flags]; - default: - break; - } - return gProcs_General[flags]; -} |