34 lines
896 B
C++
34 lines
896 B
C++
--- src/SeExpr/SeNoise.cpp.orig 2015-08-28 22:32:38 UTC
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+++ src/SeExpr/SeNoise.cpp
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@@ -16,7 +16,9 @@
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*/
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#include <iostream>
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+#ifdef __SSE4_1__
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#include <smmintrin.h>
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+#endif
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#include "SeExprBuiltins.h"
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namespace{
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@@ -25,14 +27,18 @@ namespace{
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#include "SeNoise.h"
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namespace SeExpr{
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+#ifdef __SSE4_1__
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inline double floorSSE(double val) {
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- return _mm_cvtsd_f64(_mm_floor_sd(_mm_set_sd(0.0), _mm_set_sd(val)));
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+ return _mm_floor_sd(_mm_set_sd(0.0), _mm_set_sd(val))[0];
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}
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inline double roundSSE(double val) {
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- return _mm_cvtsd_f64(_mm_round_sd(_mm_set_sd(0.0), _mm_set_sd(val), _MM_FROUND_TO_NEAREST_INT));
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+ return _mm_round_sd(_mm_set_sd(0.0), _mm_set_sd(val), _MM_FROUND_TO_NEAREST_INT)[0];
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}
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-
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+#else
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+#define floorSSE floor
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+#define roundSSE round
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+#endif
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//! This is the Quintic interpolant from Perlin's Improved Noise Paper
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double s_curve(double t) {
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