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Diffstat (limited to 'src/opts/SkPMFloat_SSE2.h')
-rw-r--r--src/opts/SkPMFloat_SSE2.h35
1 files changed, 24 insertions, 11 deletions
diff --git a/src/opts/SkPMFloat_SSE2.h b/src/opts/SkPMFloat_SSE2.h
index 2a85b1a74f..156c0c9897 100644
--- a/src/opts/SkPMFloat_SSE2.h
+++ b/src/opts/SkPMFloat_SSE2.h
@@ -1,3 +1,10 @@
+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
inline SkPMFloat& SkPMFloat::operator=(const SkPMFloat& that) {
fColors = that.fColors;
return *this;
@@ -34,25 +41,31 @@ inline SkPMColor SkPMFloat::clamped() const {
return c;
}
-inline void SkPMFloat::From4PMColors(SkPMFloat floats[4], const SkPMColor colors[4]) {
+inline void SkPMFloat::From4PMColors(const SkPMColor colors[4],
+ SkPMFloat* a, SkPMFloat* b, SkPMFloat* c, SkPMFloat* d) {
// Haven't beaten this yet.
- for (int i = 0; i < 4; i++) { floats[i] = FromPMColor(colors[i]); }
+ *a = FromPMColor(colors[0]);
+ *b = FromPMColor(colors[1]);
+ *c = FromPMColor(colors[2]);
+ *d = FromPMColor(colors[3]);
}
-inline void SkPMFloat::To4PMColors(SkPMColor colors[4], const SkPMFloat floats[4]) {
- SkASSERT(floats[0].isValid() && floats[1].isValid()
- && floats[2].isValid() && floats[3].isValid());
+inline void SkPMFloat::To4PMColors(
+ const SkPMFloat& a, const SkPMFloat& b, const SkPMFloat&c, const SkPMFloat& d,
+ SkPMColor colors[4]) {
// Haven't beaten this yet.
- ClampTo4PMColors(colors, floats);
+ ClampTo4PMColors(a,b,c,d, colors);
}
-inline void SkPMFloat::ClampTo4PMColors(SkPMColor colors[4], const SkPMFloat floats[4]) {
+inline void SkPMFloat::ClampTo4PMColors(
+ const SkPMFloat& a, const SkPMFloat& b, const SkPMFloat&c, const SkPMFloat& d,
+ SkPMColor colors[4]) {
// Same as _SSSE3.h's. We use 3 _mm_packus_epi16() where the naive loop uses 8.
// We don't use _mm_cvtps_epi32, because we want precise control over how 0.5 rounds (up).
- __m128i c0 = _mm_cvttps_epi32(_mm_add_ps(_mm_set1_ps(0.5f), floats[0].fColors)),
- c1 = _mm_cvttps_epi32(_mm_add_ps(_mm_set1_ps(0.5f), floats[1].fColors)),
- c2 = _mm_cvttps_epi32(_mm_add_ps(_mm_set1_ps(0.5f), floats[2].fColors)),
- c3 = _mm_cvttps_epi32(_mm_add_ps(_mm_set1_ps(0.5f), floats[3].fColors));
+ __m128i c0 = _mm_cvttps_epi32(_mm_add_ps(_mm_set1_ps(0.5f), a.fColors)),
+ c1 = _mm_cvttps_epi32(_mm_add_ps(_mm_set1_ps(0.5f), b.fColors)),
+ c2 = _mm_cvttps_epi32(_mm_add_ps(_mm_set1_ps(0.5f), c.fColors)),
+ c3 = _mm_cvttps_epi32(_mm_add_ps(_mm_set1_ps(0.5f), d.fColors));
__m128i c3210 = _mm_packus_epi16(_mm_packus_epi16(c0, c1),
_mm_packus_epi16(c2, c3));
_mm_storeu_si128((__m128i*)colors, c3210);