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Fix cycles intersection issue with overlapping faces on windows 32 bit and CPU

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without SSE3 support, due to 80 bit precision float register being used for one
bounding box but not the one next to it.
This commit is contained in:
Brecht Van Lommel
2013-02-04 16:12:37 +00:00
parent 52303db217
commit 7c9d993347
10 changed files with 166 additions and 40 deletions
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6
intern/cycles/CMakeLists.txt
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@@ -13,10 +13,12 @@ if(WITH_RAYOPTIMIZATION AND SUPPORT_SSE_BUILD)
endif()
if(WIN32 AND MSVC)
set(CYCLES_OPTIMIZED_KERNEL_FLAGS "/arch:SSE2 -D_CRT_SECURE_NO_WARNINGS /fp:fast /EHsc")
set(CYCLES_SSE2_KERNEL_FLAGS "/arch:SSE2 -D_CRT_SECURE_NO_WARNINGS /fp:fast /EHsc")
set(CYCLES_SSE3_KERNEL_FLAGS "/arch:SSE2 -D_CRT_SECURE_NO_WARNINGS /fp:fast /EHsc")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /fp:fast -D_CRT_SECURE_NO_WARNINGS /EHsc")
elseif(CMAKE_COMPILER_IS_GNUCC)
set(CYCLES_OPTIMIZED_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mfpmath=sse")
set(CYCLES_SSE2_KERNEL_FLAGS "-ffast-math -msse -msse2 -mfpmath=sse")
set(CYCLES_SSE3_KERNEL_FLAGS "-ffast-math -msse -msse2 -msse3 -mfpmath=sse")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ffast-math")
endif()