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Unified Diff: src/opts/SkXfermode_opts_SSE2.cpp

Issue 232793002: Xfermode: SSE2 implementation of a number of simple transfer modes (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 6 years, 8 months ago
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Index: src/opts/SkXfermode_opts_SSE2.cpp
diff --git a/src/opts/SkXfermode_opts_SSE2.cpp b/src/opts/SkXfermode_opts_SSE2.cpp
index 01c782b9ef3df48267b4a040a1a17ec51f971997..d1a2632fdb25f31a680858dc41acef23b17cfe9a 100644
--- a/src/opts/SkXfermode_opts_SSE2.cpp
+++ b/src/opts/SkXfermode_opts_SSE2.cpp
@@ -17,6 +17,15 @@ static inline __m128i SkDiv255Round_SSE2(const __m128i& a) {
return prod;
}
+static inline __m128i saturated_add_SSE2(const __m128i& a, const __m128i& b) {
+ __m128i sum = _mm_add_epi32(a, b);
+ __m128i cmp = _mm_cmpgt_epi32(sum, _mm_set1_epi32(255));
+
+ sum = _mm_or_si128(_mm_and_si128(cmp, _mm_set1_epi32(255)),
+ _mm_andnot_si128(cmp, sum));
+ return sum;
+}
+
static inline __m128i clamp_div255round_SSE2(const __m128i& prod) {
// test if > 0
__m128i cmp1 = _mm_cmpgt_epi32(prod, _mm_setzero_si128());
@@ -38,6 +47,130 @@ static inline __m128i clamp_div255round_SSE2(const __m128i& prod) {
return ret;
}
+static __m128i srcover_modeproc_SSE2(const __m128i& src, const __m128i& dst) {
+ __m128i isa = _mm_sub_epi32(_mm_set1_epi32(256), SkGetPackedA32_SSE2(src));
+ return _mm_add_epi32(src, SkAlphaMulQ_SSE2(dst, isa));
+}
+
+static __m128i dstover_modeproc_SSE2(const __m128i& src, const __m128i& dst) {
+ __m128i ida = _mm_sub_epi32(_mm_set1_epi32(256), SkGetPackedA32_SSE2(dst));
+ return _mm_add_epi32(dst, SkAlphaMulQ_SSE2(src, ida));
+}
+
+static __m128i srcin_modeproc_SSE2(const __m128i& src, const __m128i& dst) {
+ __m128i da = SkGetPackedA32_SSE2(dst);
+ return SkAlphaMulQ_SSE2(src, SkAlpha255To256_SSE2(da));
+}
+
+static __m128i dstin_modeproc_SSE2(const __m128i& src, const __m128i& dst) {
+ __m128i sa = SkGetPackedA32_SSE2(src);
+ return SkAlphaMulQ_SSE2(dst, SkAlpha255To256_SSE2(sa));
+}
+
+static __m128i srcout_modeproc_SSE2(const __m128i& src, const __m128i& dst) {
+ __m128i ida = _mm_sub_epi32(_mm_set1_epi32(256), SkGetPackedA32_SSE2(dst));
+ return SkAlphaMulQ_SSE2(src, ida);
+}
+
+static __m128i dstout_modeproc_SSE2(const __m128i& src, const __m128i& dst) {
+ __m128i isa = _mm_sub_epi32(_mm_set1_epi32(256), SkGetPackedA32_SSE2(src));
+ return SkAlphaMulQ_SSE2(dst, isa);
+}
+
+static __m128i srcatop_modeproc_SSE2(const __m128i& src, const __m128i& dst) {
+ __m128i sa = SkGetPackedA32_SSE2(src);
+ __m128i da = SkGetPackedA32_SSE2(dst);
+ __m128i isa = _mm_sub_epi32(_mm_set1_epi32(255), sa);
+
+ __m128i a = da;
+
+ __m128i r1 = SkAlphaMulAlpha_SSE2(da, SkGetPackedR32_SSE2(src));
+ __m128i r2 = SkAlphaMulAlpha_SSE2(isa, SkGetPackedR32_SSE2(dst));
+ __m128i r = _mm_add_epi32(r1, r2);
+
+ __m128i g1 = SkAlphaMulAlpha_SSE2(da, SkGetPackedG32_SSE2(src));
+ __m128i g2 = SkAlphaMulAlpha_SSE2(isa, SkGetPackedG32_SSE2(dst));
+ __m128i g = _mm_add_epi32(g1, g2);
+
+ __m128i b1 = SkAlphaMulAlpha_SSE2(da, SkGetPackedB32_SSE2(src));
+ __m128i b2 = SkAlphaMulAlpha_SSE2(isa, SkGetPackedB32_SSE2(dst));
+ __m128i b = _mm_add_epi32(b1, b2);
+
+ return SkPackARGB32_SSE2(a, r, g, b);
+}
+
+static __m128i dstatop_modeproc_SSE2(const __m128i& src, const __m128i& dst) {
+ __m128i sa = SkGetPackedA32_SSE2(src);
+ __m128i da = SkGetPackedA32_SSE2(dst);
+ __m128i ida = _mm_sub_epi32(_mm_set1_epi32(255), da);
+
+ __m128i a = sa;
+
+ __m128i r1 = SkAlphaMulAlpha_SSE2(ida, SkGetPackedR32_SSE2(src));
+ __m128i r2 = SkAlphaMulAlpha_SSE2(sa, SkGetPackedR32_SSE2(dst));
+ __m128i r = _mm_add_epi32(r1, r2);
+
+ __m128i g1 = SkAlphaMulAlpha_SSE2(ida, SkGetPackedG32_SSE2(src));
+ __m128i g2 = SkAlphaMulAlpha_SSE2(sa, SkGetPackedG32_SSE2(dst));
+ __m128i g = _mm_add_epi32(g1, g2);
+
+ __m128i b1 = SkAlphaMulAlpha_SSE2(ida, SkGetPackedB32_SSE2(src));
+ __m128i b2 = SkAlphaMulAlpha_SSE2(sa, SkGetPackedB32_SSE2(dst));
+ __m128i b = _mm_add_epi32(b1, b2);
+
+ return SkPackARGB32_SSE2(a, r, g, b);
+}
+
+static __m128i xor_modeproc_SSE2(const __m128i& src, const __m128i& dst) {
+ __m128i sa = SkGetPackedA32_SSE2(src);
+ __m128i da = SkGetPackedA32_SSE2(dst);
+ __m128i isa = _mm_sub_epi32(_mm_set1_epi32(255), sa);
+ __m128i ida = _mm_sub_epi32(_mm_set1_epi32(255), da);
+
+ __m128i a1 = _mm_add_epi32(sa, da);
+ __m128i a2 = SkAlphaMulAlpha_SSE2(sa, da);
+ a2 = _mm_slli_epi32(a2, 1);
+ __m128i a = _mm_sub_epi32(a1, a2);
+
+ __m128i r1 = SkAlphaMulAlpha_SSE2(ida, SkGetPackedR32_SSE2(src));
+ __m128i r2 = SkAlphaMulAlpha_SSE2(isa, SkGetPackedR32_SSE2(dst));
+ __m128i r = _mm_add_epi32(r1, r2);
+
+ __m128i g1 = SkAlphaMulAlpha_SSE2(ida, SkGetPackedG32_SSE2(src));
+ __m128i g2 = SkAlphaMulAlpha_SSE2(isa, SkGetPackedG32_SSE2(dst));
+ __m128i g = _mm_add_epi32(g1, g2);
+
+ __m128i b1 = SkAlphaMulAlpha_SSE2(ida, SkGetPackedB32_SSE2(src));
+ __m128i b2 = SkAlphaMulAlpha_SSE2(isa, SkGetPackedB32_SSE2(dst));
+ __m128i b = _mm_add_epi32(b1, b2);
+
+ return SkPackARGB32_SSE2(a, r, g, b);
+}
+
+static __m128i plus_modeproc_SSE2(const __m128i& src, const __m128i& dst) {
+ __m128i b = saturated_add_SSE2(SkGetPackedB32_SSE2(src),
mtklein 2014/04/11 18:41:54 Any reason to do this one in b-g-r-a order instead
qiankun 2014/04/14 02:33:01 No special reason for the b-g-r-a order, I just fo
+ SkGetPackedB32_SSE2(dst));
+ __m128i g = saturated_add_SSE2(SkGetPackedG32_SSE2(src),
+ SkGetPackedG32_SSE2(dst));
+ __m128i r = saturated_add_SSE2(SkGetPackedR32_SSE2(src),
+ SkGetPackedR32_SSE2(dst));
+ __m128i a = saturated_add_SSE2(SkGetPackedA32_SSE2(src),
+ SkGetPackedA32_SSE2(dst));
+ return SkPackARGB32_SSE2(a, r, g, b);
+}
+
+static __m128i modulate_modeproc_SSE2(const __m128i& src, const __m128i& dst) {
+ __m128i a = SkAlphaMulAlpha_SSE2(SkGetPackedA32_SSE2(src),
+ SkGetPackedA32_SSE2(dst));
+ __m128i r = SkAlphaMulAlpha_SSE2(SkGetPackedR32_SSE2(src),
+ SkGetPackedR32_SSE2(dst));
+ __m128i g = SkAlphaMulAlpha_SSE2(SkGetPackedG32_SSE2(src),
+ SkGetPackedG32_SSE2(dst));
+ __m128i b = SkAlphaMulAlpha_SSE2(SkGetPackedB32_SSE2(src),
+ SkGetPackedB32_SSE2(dst));
+ return SkPackARGB32_SSE2(a, r, g, b);
+}
+
static inline __m128i srcover_byte_SSE2(const __m128i& a, const __m128i& b) {
// a + b - SkAlphaMulAlpha(a, b);
return _mm_sub_epi32(_mm_add_epi32(a, b), SkAlphaMulAlpha_SSE2(a, b));
@@ -84,6 +217,18 @@ static __m128i multiply_modeproc_SSE2(const __m128i& src, const __m128i& dst) {
return SkPackARGB32_SSE2(a, r, g, b);
}
+static __m128i screen_modeproc_SSE2(const __m128i& src, const __m128i& dst) {
+ __m128i a = srcover_byte_SSE2(SkGetPackedA32_SSE2(src),
+ SkGetPackedA32_SSE2(dst));
+ __m128i r = srcover_byte_SSE2(SkGetPackedR32_SSE2(src),
+ SkGetPackedR32_SSE2(dst));
+ __m128i g = srcover_byte_SSE2(SkGetPackedG32_SSE2(src),
+ SkGetPackedG32_SSE2(dst));
+ __m128i b = srcover_byte_SSE2(SkGetPackedB32_SSE2(src),
+ SkGetPackedB32_SSE2(dst));
+ return SkPackARGB32_SSE2(a, r, g, b);
+}
+
////////////////////////////////////////////////////////////////////////////////
typedef __m128i (*SkXfermodeProcSIMD)(const __m128i& src, const __m128i& dst);
@@ -226,18 +371,18 @@ SkXfermodeProcSIMD gSSE2XfermodeProcs[] = {
NULL, // kClear_Mode
NULL, // kSrc_Mode
NULL, // kDst_Mode
- NULL, // kSrcOver_Mode
- NULL, // kDstOver_Mode
- NULL, // kSrcIn_Mode
- NULL, // kDstIn_Mode
- NULL, // kSrcOut_Mode
- NULL, // kDstOut_Mode
- NULL, // kSrcATop_Mode
- NULL, // kDstATop_Mode
- NULL, // kXor_Mode
- NULL, // kPlus_Mode
- NULL, // kModulate_Mode
- NULL, // kScreen_Mode
+ srcover_modeproc_SSE2,
+ dstover_modeproc_SSE2,
+ srcin_modeproc_SSE2,
+ dstin_modeproc_SSE2,
+ srcout_modeproc_SSE2,
+ dstout_modeproc_SSE2,
+ srcatop_modeproc_SSE2,
+ dstatop_modeproc_SSE2,
+ xor_modeproc_SSE2,
+ plus_modeproc_SSE2,
+ modulate_modeproc_SSE2,
+ screen_modeproc_SSE2,
NULL, // kOverlay_Mode
NULL, // kDarken_Mode
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