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Fix T52322: denoiser broken on Windows after recent changes. 

It's not clear why this only happened on Windows, but the code
was wrong and should do a bitcast here instead of conversion.
This commit is contained in:
Brecht Van Lommel 2017-08-10 23:38:20 +02:00
parent c31e221d4f
commit 267e75158a
Notes: blender-bot 2023-02-14 09:29:42 +01:00 
Referenced by issue #52322, Major regression in denoising quality in new builds
1 changed files with 3 additions and 6 deletions
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9
intern/cycles/util/util_math_float4.h
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@ -176,8 +176,7 @@ ccl_device_inline float4 operator/=(float4& a, float f)
ccl_device_inline int4 operator<(const float4& a, const float4& b)
{
#ifdef __KERNEL_SSE__
/* TODO(sergey): avoid cvt. */
return int4(_mm_cvtps_epi32(_mm_cmplt_ps(a.m128, b.m128)));
return int4(_mm_castps_si128(_mm_cmplt_ps(a.m128, b.m128)));
#else
return make_int4(a.x < b.x, a.y < b.y, a.z < b.z, a.w < b.w);
#endif
@ -186,8 +185,7 @@ ccl_device_inline int4 operator<(const float4& a, const float4& b)
ccl_device_inline int4 operator>=(const float4& a, const float4& b)
{
#ifdef __KERNEL_SSE__
/* TODO(sergey): avoid cvt. */
return int4(_mm_cvtps_epi32(_mm_cmpge_ps(a.m128, b.m128)));
return int4(_mm_castps_si128(_mm_cmpge_ps(a.m128, b.m128)));
#else
return make_int4(a.x >= b.x, a.y >= b.y, a.z >= b.z, a.w >= b.w);
#endif
@ -196,8 +194,7 @@ ccl_device_inline int4 operator>=(const float4& a, const float4& b)
ccl_device_inline int4 operator<=(const float4& a, const float4& b)
{
#ifdef __KERNEL_SSE__
/* TODO(sergey): avoid cvt. */
return int4(_mm_cvtps_epi32(_mm_cmple_ps(a.m128, b.m128)));
return int4(_mm_castps_si128(_mm_cmple_ps(a.m128, b.m128)));
#else
return make_int4(a.x <= b.x, a.y <= b.y, a.z <= b.z, a.w <= b.w);
#endif