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cmake_minimum_required(VERSION 3.5)
project(basisu_transcoder_js)
# KTX2 support (and Zstandard) in the transcoder is purely optional. Use "cmake -DKTX2=FALSE" to completely disable KTX2 support (which also disables Zstandard).
# If this is FALSE you'll only be able to transcode .basis files.
option(KTX2 "KTX2" TRUE)
# If KTX2 is enabled, Zstandard is needed to support decompressing supercompressed UASTC files.
# If you know you'll never be transcoding KTX2 files using this feature you can set KTX2_ZSTANDARD to 0.
option(KTX2_ZSTANDARD "KTX2_ZSTANDARD" TRUE)
message("KTX2=${KTX2}")
message("KTX2_ZSTANDARD=${KTX2_ZSTANDARD}")
if (EMSCRIPTEN)
set(CMAKE_CXX_STANDARD 17)
set(SRC_LIST
../../transcoder/basisu_transcoder.cpp
basis_wrappers.cpp
)
if (KTX2)
set(KTX2_DEFINITION BASISD_SUPPORT_KTX2=1)
else()
set(KTX2_DEFINITION BASISD_SUPPORT_KTX2=0)
endif()
if (KTX2_ZSTANDARD)
set(SRC_LIST ${SRC_LIST}
../../zstd/zstddeclib.c
)
set(ZSTD_DEFINITION BASISD_SUPPORT_KTX2_ZSTD=1)
else()
set(ZSTD_DEFINITION BASISD_SUPPORT_KTX2_ZSTD=0)
endif()
# message("KTX2_DEFINITION=${KTX2_DEFINITION})
# message("ZSTD_DEFINITION=${ZSTD_DEFINITION})
add_executable(basis_transcoder.js ${SRC_LIST})
target_compile_definitions(basis_transcoder.js PRIVATE NDEBUG
BASISD_SUPPORT_UASTC_HDR=1
BASISD_SUPPORT_UASTC=1
BASISD_SUPPORT_BC7=1
BASISD_SUPPORT_ATC=0
BASISD_SUPPORT_ASTC_HIGHER_OPAQUE_QUALITY=0
BASISD_SUPPORT_PVRTC2=0
BASISD_SUPPORT_FXT1=0
BASISD_SUPPORT_ETC2_EAC_RG11=0
BASISU_SUPPORT_ENCODING=0
BASISD_ENABLE_DEBUG_FLAGS=1
${KTX2_DEFINITION}
${ZSTD_DEFINITION}
)
target_compile_options(basis_transcoder.js PRIVATE -O3 -fno-strict-aliasing)
#target_compile_options(basis_transcoder.js PRIVATE -O0 -g -fno-strict-aliasing)
target_include_directories(basis_transcoder.js PRIVATE ../../transcoder)
set_target_properties(basis_transcoder.js PROPERTIES
OUTPUT_NAME "basis_transcoder"
SUFFIX ".js"
LINK_FLAGS "--bind -s ALLOW_MEMORY_GROWTH=1 -O3 -s MALLOC=emmalloc -s MODULARIZE=1 -s EXPORT_NAME=BASIS -s ASSERTIONS=0 -s EXPORTED_RUNTIME_METHODS=['HEAP8']")
endif()
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