2023-02-25 02:11:35 +00:00
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# Copyright 2021 The Draco Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy of
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# the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations under
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# the License.
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2021-01-20 10:14:20 +00:00
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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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