29 lines
871 B
CMake
29 lines
871 B
CMake
if(DRACO_CMAKE_DRACO_CPU_DETECTION_CMAKE_)
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return()
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endif() # DRACO_CMAKE_DRACO_CPU_DETECTION_CMAKE_
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set(DRACO_CMAKE_DRACO_CPU_DETECTION_CMAKE_ 1)
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# Detect optimizations available for the current target CPU.
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macro(draco_optimization_detect)
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if(DRACO_ENABLE_OPTIMIZATIONS)
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string(TOLOWER "${CMAKE_SYSTEM_PROCESSOR}" cpu_lowercase)
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if(cpu_lowercase MATCHES "^arm|^aarch64")
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set(draco_have_neon ON)
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elseif(cpu_lowercase MATCHES "^x86|amd64")
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set(draco_have_sse4 ON)
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endif()
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endif()
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if(draco_have_neon AND DRACO_ENABLE_NEON)
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list(APPEND draco_defines "DRACO_ENABLE_NEON=1")
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else()
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list(APPEND draco_defines "DRACO_ENABLE_NEON=0")
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endif()
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if(draco_have_sse4 AND DRACO_ENABLE_SSE4_1)
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list(APPEND draco_defines "DRACO_ENABLE_SSE4_1=1")
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else()
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list(APPEND draco_defines "DRACO_ENABLE_SSE4_1=0")
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endif()
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endmacro()
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