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jak-project/third-party/draco/cmake/draco_cpu_detection.cmake
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Hat Kid 348bf83b89 custom levels: add draco lib to support compressed glb files (#3723)
By adding the `draco` library as a dependency, `tinygltf` can support
GLB files compressed with the Draco compression algorithm which allows
for drastically reduced file sizes for custom levels (TFL's Crescent Top
GLB for example went from 135 MB to 37 MB).
2024-10-28 21:11:19 +01:00

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# Copyright 2021 The Draco Authors
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
if(DRACO_CMAKE_DRACO_CPU_DETECTION_CMAKE_)
return()
endif() # DRACO_CMAKE_DRACO_CPU_DETECTION_CMAKE_
set(DRACO_CMAKE_DRACO_CPU_DETECTION_CMAKE_ 1)
# Detect optimizations available for the current target CPU.
macro(draco_optimization_detect)
if(DRACO_ENABLE_OPTIMIZATIONS)
string(TOLOWER "${CMAKE_SYSTEM_PROCESSOR}" cpu_lowercase)
if(cpu_lowercase MATCHES "^arm|^aarch64")
set(draco_have_neon ON)
elseif(cpu_lowercase MATCHES "^x86|amd64")
set(draco_have_sse4 ON)
endif()
endif()
if(draco_have_neon AND DRACO_ENABLE_NEON)
list(APPEND draco_defines "DRACO_ENABLE_NEON=1")
else()
list(APPEND draco_defines "DRACO_ENABLE_NEON=0")
endif()
if(draco_have_sse4 AND DRACO_ENABLE_SSE4_1)
list(APPEND draco_defines "DRACO_ENABLE_SSE4_1=1")
else()
list(APPEND draco_defines "DRACO_ENABLE_SSE4_1=0")
endif()
endmacro()