# Important: The Basis Universal encoder and transcoder libraries must be compiled with -fno-strict-aliasing (MSVC's default, and also the Linux kernel). # It should also work without this option, but we do not test with it. cmake_minimum_required(VERSION 3.20) project(basisu C CXX) # pybind11: allow old Python finder modules without complaining if (POLICY CMP0148) cmake_policy(SET CMP0148 OLD) endif() add_compile_definitions($<$:_DEBUG=1>) if (CMAKE_SYSTEM_NAME STREQUAL "WASI") set(BASISU_BUILD_WASM TRUE) else() set(BASISU_BUILD_WASM FALSE) endif() set(CMAKE_CXX_STANDARD 17) set(CMAKE_CXX_STANDARD_REQUIRED ON) option(BASISU_STATIC "static linking" FALSE) option(BASISU_SAN "sanitize" FALSE) option(BASISU_EXAMPLES "build examples" TRUE) option(BASISU_WASM_THREADING "Enable WASI threading support" OFF) option(BASISU_BUILD_PYTHON "Build native Python module via pybind11" OFF) set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/bin) # For MSVC builds default to SSE enabled, and determine if it's a 64-bit (-A x64) vs. 32-bit (-A Win32) build. if (MSVC) option(BASISU_SSE "SSE 4.1 support" TRUE) if ( CMAKE_GENERATOR_PLATFORM STREQUAL Win32 ) set(BASISU_BUILD_X64 0) else() set(BASISU_BUILD_X64 1) endif() add_compile_options(/W4) else() option(BASISU_SSE "SSE 4.1 support" FALSE) option(BASISU_BUILD_X64 "build 64-bit" TRUE) endif() option(BASISU_ZSTD "ZSTD support for KTX2 transcoding/encoding" TRUE) option(BASISU_OPENCL "OpenCL support in encoder" FALSE) # Old option to new (BASISU_ prefixed) automatic remapping foreach(pair "STATIC;BASISU_STATIC" "SAN;BASISU_SAN" "EXAMPLES;BASISU_EXAMPLES" "WASM_THREADING;BASISU_WASM_THREADING" "BUILD_PYTHON;BASISU_BUILD_PYTHON" "BUILD_X64;BASISU_BUILD_X64" "SSE;BASISU_SSE" "ZSTD;BASISU_ZSTD" "OPENCL;BASISU_OPENCL" ) list(GET pair 0 OLD) list(GET pair 1 NEW) if(DEFINED ${OLD}) message(WARNING "[BASISU] Legacy option '${OLD}' is deprecated. Use '${NEW}' instead.") set(${NEW} "${${OLD}}" CACHE BOOL "" FORCE) endif() endforeach() if (BASISU_BUILD_WASM) message(STATUS "Configuring for WASM (WASI-SDK)") # WASM is always 32-bit set(BASISU_BUILD_X64 OFF CACHE BOOL "" FORCE) # WASM cannot use SSE set(BASISU_SSE OFF CACHE BOOL "" FORCE) # WASM cannot use OpenCL set(BASISU_OPENCL OFF CACHE BOOL "" FORCE) # WASM cannot use static linking set(BASISU_STATIC OFF CACHE BOOL "" FORCE) # WASM cannot use sanitizers set(BASISU_SAN OFF CACHE BOOL "" FORCE) endif() message("Initial CMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}") message("Initial BASISU_BUILD_X64=${BASISU_BUILD_X64}") message("Initial BASISU_BUILD_WASM=${BASISU_BUILD_WASM}") message("Initial BASISU_WASM_THREADING=${BASISU_WASM_THREADING}") message("Initial BASISU_BUILD_PYTHON=${BASISU_BUILD_PYTHON}") message("Initial BASISU_SSE=${BASISU_SSE}") message("Initial BASISU_ZSTD=${BASISU_ZSTD}") message("Initial BASISU_OPENCL=${BASISU_OPENCL}") message("Initial BASISU_SAN=${BASISU_SAN}") message("Initial BASISU_EXAMPLES=${BASISU_EXAMPLES}") if ((NOT MSVC) AND BASISU_OPENCL) # With MSVC builds we use the Khronos lib/include files in the project's "OpenCL" directory, to completely avoid requiring fiddly to install vendor SDK's. # Otherwise we use the system's (if any). find_package(OpenCL) message(STATUS "OpenCL found: ${OPENCL_FOUND}") message(STATUS "OpenCL includes: ${OpenCL_INCLUDE_DIRS}") message(STATUS "OpenCL libraries: ${OpenCL_LIBRARIES}") endif() if( NOT CMAKE_BUILD_TYPE ) set( CMAKE_BUILD_TYPE Release ) endif() message(${PROJECT_NAME} " build type: " ${CMAKE_BUILD_TYPE}) if (BASISU_BUILD_X64) message("Building 64-bit") else() message("Building 32-bit") endif() if (BASISU_SSE) message("SSE enabled") else() message("SSE disabled") endif() if (BASISU_ZSTD) message("Zstandard enabled") else() message("Zstandard disabled") endif() if (NOT MSVC AND NOT BASISU_BUILD_WASM) set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -g") set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -g") set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}") set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}") if (BASISU_SAN) message("Enabling SAN") set(SANITIZE_FLAGS "-fsanitize=address -fno-omit-frame-pointer -fsanitize=undefined -fno-sanitize=alignment") set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${SANITIZE_FLAGS}") set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${SANITIZE_FLAGS}") set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${SANITIZE_FLAGS}") set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${SANITIZE_FLAGS}") endif() # set(CMAKE_CXX_FLAGS -std=c++17) set(GCC_COMPILE_FLAGS "-fvisibility=hidden -fPIC -fno-strict-aliasing -D_LARGEFILE64_SOURCE=1 -D_FILE_OFFSET_BITS=64 -Wall -Wextra -Wno-misleading-indentation") if (NOT BASISU_BUILD_X64) set(GCC_COMPILE_FLAGS "${GCC_COMPILE_FLAGS} -m32") endif() if (EMSCRIPTEN) set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -s ALLOW_MEMORY_GROWTH=1 -DBASISU_SUPPORT_SSE=0") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s ALLOW_MEMORY_GROWTH=1 -DBASISU_SUPPORT_SSE=0") set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${GCC_LINK_FLAGS}") elseif (BASISU_STATIC) if (BASISU_SSE) set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DBASISU_SUPPORT_SSE=1 -msse4.1") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DBASISU_SUPPORT_SSE=1 -msse4.1") else() set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DBASISU_SUPPORT_SSE=0") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DBASISU_SUPPORT_SSE=0") endif() set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${GCC_LINK_FLAGS} -static-libgcc -static-libstdc++ -static") else() if (BASISU_SSE) set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DBASISU_SUPPORT_SSE=1 -msse4.1") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DBASISU_SUPPORT_SSE=1 -msse4.1") else() set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DBASISU_SUPPORT_SSE=0") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DBASISU_SUPPORT_SSE=0") endif() set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${GCC_LINK_FLAGS} -Wl,-rpath .") endif() set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${GCC_COMPILE_FLAGS}") set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${GCC_COMPILE_FLAGS}") set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${GCC_COMPILE_FLAGS} -D_DEBUG") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${GCC_COMPILE_FLAGS}") set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${GCC_COMPILE_FLAGS}") set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${GCC_COMPILE_FLAGS} -D_DEBUG") elseif (BASISU_BUILD_WASM) # _WASI_EMULATED_PROCESS_CLOCKS/-lwasi-emulated-process-clocks is only for ZStd add_compile_definitions(_WASI_EMULATED_PROCESS_CLOCKS) set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lwasi-emulated-process-clocks") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-strict-aliasing -fvisibility=hidden -Wall -Wextra -Wno-unknown-warning-option") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-strict-aliasing -fvisibility=hidden -Wall -Wextra -Wno-unknown-warning-option") set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -g") set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -g") set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O2") set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O2") # We need a few MB of stack - don't skip this or WASMTime will silently allow the stack to grow into the heap or static memory, causing corruption. set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--stack-first -Wl,-z,stack-size=8388608") else() if (BASISU_SSE) set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DBASISU_SUPPORT_SSE=1") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DBASISU_SUPPORT_SSE=1") else() set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DBASISU_SUPPORT_SSE=0") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DBASISU_SUPPORT_SSE=0") endif() endif() # Define the source files for the static library set(ENCODER_LIB_SRC_LIST encoder/basisu_backend.cpp encoder/basisu_basis_file.cpp encoder/basisu_comp.cpp encoder/basisu_enc.cpp encoder/basisu_etc.cpp encoder/basisu_frontend.cpp encoder/basisu_gpu_texture.cpp encoder/basisu_pvrtc1_4.cpp encoder/basisu_resampler.cpp encoder/basisu_resample_filters.cpp encoder/basisu_ssim.cpp encoder/basisu_uastc_enc.cpp encoder/basisu_bc7enc.cpp encoder/jpgd.cpp encoder/basisu_kernels_sse.cpp encoder/basisu_opencl.cpp encoder/pvpngreader.cpp encoder/basisu_uastc_hdr_4x4_enc.cpp encoder/basisu_astc_hdr_6x6_enc.cpp encoder/basisu_astc_hdr_common.cpp encoder/basisu_astc_ldr_common.cpp encoder/basisu_astc_ldr_encode.cpp encoder/3rdparty/android_astc_decomp.cpp encoder/3rdparty/tinyexr.cpp transcoder/basisu_transcoder.cpp encoder/basisu_astc_hdr_6x6_enc.h encoder/basisu_astc_hdr_common.h encoder/basisu_backend.h encoder/basisu_basis_file.h encoder/basisu_bc7enc.h encoder/basisu_comp.h encoder/basisu_enc.h encoder/basisu_etc.h encoder/basisu_frontend.h encoder/basisu_gpu_texture.h encoder/basisu_kernels_declares.h encoder/basisu_kernels_imp.h encoder/basisu_math.h encoder/basisu_miniz.h encoder/basisu_ocl_kernels.h encoder/basisu_opencl.h encoder/basisu_pvrtc1_4.h encoder/basisu_resampler_filters.h encoder/basisu_resampler.h encoder/basisu_ssim.h encoder/basisu_uastc_enc.h encoder/basisu_uastc_hdr_4x4_enc.h encoder/basisu_astc_ldr_common.h encoder/basisu_astc_ldr_encode.h encoder/cppspmd_flow.h encoder/cppspmd_math_declares.h encoder/cppspmd_math.h encoder/cppspmd_sse.h encoder/cppspmd_type_aliases.h encoder/jpgd.h encoder/pvpngreader.h encoder/3rdparty/android_astc_decomp.h encoder/3rdparty/qoi.h encoder/3rdparty/tinyexr.h transcoder/basisu_astc_hdr_core.h transcoder/basisu_astc_helpers.h transcoder/basisu_containers_impl.h transcoder/basisu_containers.h transcoder/basisu_file_headers.h transcoder/basisu_transcoder_internal.h transcoder/basisu_transcoder_uastc.h transcoder/basisu_transcoder.h transcoder/basisu_idct.h transcoder/basisu.h zstd/zstd.h ) if (BASISU_ZSTD) set(ENCODER_LIB_SRC_LIST ${ENCODER_LIB_SRC_LIST} zstd/zstd.c) endif() # Create the static library add_library(basisu_encoder STATIC ${ENCODER_LIB_SRC_LIST}) # Create the basisu executable and link against the static library add_executable(basisu basisu_tool.cpp) target_link_libraries(basisu PRIVATE basisu_encoder) # Create the new example executable and link against the static library if(BASISU_EXAMPLES) add_executable(example example/example.cpp) target_link_libraries(example PRIVATE basisu_encoder) add_executable(example_capi example_capi/example_capi.c encoder/basisu_wasm_api.cpp encoder/basisu_wasm_transcoder_api.cpp) target_link_libraries(example_capi PRIVATE basisu_encoder) add_executable(example_transcoding example_transcoding/example_transcoding.cpp example_transcoding/utils.cpp zstd/zstddeclib.c transcoder/basisu_transcoder.cpp) endif() if (BASISU_BUILD_WASM) # Add proper suffix set_target_properties(basisu PROPERTIES SUFFIX ".wasm") if(BASISU_EXAMPLES) set_target_properties(example PROPERTIES SUFFIX ".wasm") set_target_properties(example_capi PROPERTIES SUFFIX ".wasm") set_target_properties(example_transcoding PROPERTIES SUFFIX ".wasm") endif() if (BASISU_WASM_THREADING) # multithreaded: use "basisu_mt.wasm" set_target_properties(basisu PROPERTIES OUTPUT_NAME "basisu_mt") if(BASISU_EXAMPLES) set_target_properties(example PROPERTIES OUTPUT_NAME "example_mt") set_target_properties(example_capi PROPERTIES OUTPUT_NAME "example_capi_mt") set_target_properties(example_transcoding PROPERTIES OUTPUT_NAME "example_transcoding_mt") endif() else() # single-threaded: use "basisu_st.wasm" set_target_properties(basisu PROPERTIES OUTPUT_NAME "basisu_st") if(BASISU_EXAMPLES) set_target_properties(example PROPERTIES OUTPUT_NAME "example_st") set_target_properties(example_capi PROPERTIES OUTPUT_NAME "example_capi_st") set_target_properties(example_transcoding PROPERTIES OUTPUT_NAME "example_transcoding_st") endif() endif() # 256 MB initial, 3.5 GB max — safe defaults for BasisU target_link_options(basisu PRIVATE -Wl,--initial-memory=268435456 -Wl,--max-memory=3758096384 ) if (BASISU_EXAMPLES) target_link_options(example PRIVATE -Wl,--initial-memory=268435456 -Wl,--max-memory=3758096384 ) target_link_options(example_capi PRIVATE -Wl,--initial-memory=268435456 -Wl,--max-memory=3758096384 ) target_link_options(example_transcoding PRIVATE -Wl,--initial-memory=268435456 -Wl,--max-memory=3758096384 ) endif() endif() #if (MSVC) target_sources(basisu PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/basisu.manifest") if(BASISU_EXAMPLES) target_sources(example PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/basisu.manifest") target_sources(example_capi PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/basisu.manifest") target_sources(example_transcoding PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/basisu.manifest") endif() #endif() if (BASISU_ZSTD) target_compile_definitions(basisu PRIVATE BASISD_SUPPORT_KTX2_ZSTD=1) if(BASISU_EXAMPLES) target_compile_definitions(example PRIVATE BASISD_SUPPORT_KTX2_ZSTD=1) target_compile_definitions(example_capi PRIVATE BASISD_SUPPORT_KTX2_ZSTD=1) target_compile_definitions(example_transcoding PRIVATE BASISD_SUPPORT_KTX2_ZSTD=1) endif() else() target_compile_definitions(basisu PRIVATE BASISD_SUPPORT_KTX2_ZSTD=0) if(BASISU_EXAMPLES) target_compile_definitions(example PRIVATE BASISD_SUPPORT_KTX2_ZSTD=0) target_compile_definitions(example_capi PRIVATE BASISD_SUPPORT_KTX2_ZSTD=0) target_compile_definitions(example_transcoding PRIVATE BASISD_SUPPORT_KTX2_ZSTD=0) endif() endif() if (NOT MSVC) # For Non-Windows builds, let cmake try and find the system OpenCL headers/libs for us. if (BASISU_OPENCL AND OPENCL_FOUND) set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DBASISU_SUPPORT_OPENCL=1") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DBASISU_SUPPORT_OPENCL=1") target_include_directories(basisu PRIVATE ${OpenCL_INCLUDE_DIRS}) if(BASISU_EXAMPLES) target_include_directories(example PRIVATE ${OpenCL_INCLUDE_DIRS}) target_include_directories(example_capi PRIVATE ${OpenCL_INCLUDE_DIRS}) endif() target_include_directories(basisu_encoder PRIVATE ${OpenCL_INCLUDE_DIRS}) set(BASISU_EXTRA_LIBS ${OpenCL_LIBRARIES}) endif() else() # For Windows builds, we use our local copies of the OpenCL import lib and Khronos headers. if (BASISU_OPENCL) set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DBASISU_SUPPORT_OPENCL=1") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DBASISU_SUPPORT_OPENCL=1") target_include_directories(basisu PRIVATE "OpenCL") if(BASISU_EXAMPLES) target_include_directories(example PRIVATE "OpenCL") target_include_directories(example_capi PRIVATE "OpenCL") endif() target_include_directories(basisu_encoder PRIVATE "OpenCL") if (BASISU_BUILD_X64) target_link_libraries(basisu PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/OpenCL/lib/OpenCL64.lib") if(BASISU_EXAMPLES) target_link_libraries(example PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/OpenCL/lib/OpenCL64.lib") target_link_libraries(example_capi PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/OpenCL/lib/OpenCL64.lib") endif() else() target_link_libraries(basisu PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/OpenCL/lib/OpenCL.lib") if(BASISU_EXAMPLES) target_link_libraries(example PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/OpenCL/lib/OpenCL.lib") target_link_libraries(example_capi PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/OpenCL/lib/OpenCL.lib") endif() endif() endif() endif() if (NOT MSVC AND NOT BASISU_BUILD_WASM) target_link_libraries(basisu PRIVATE m pthread ${BASISU_EXTRA_LIBS}) if(BASISU_EXAMPLES) target_link_libraries(example PRIVATE m pthread ${BASISU_EXTRA_LIBS}) target_link_libraries(example_capi PRIVATE m pthread ${BASISU_EXTRA_LIBS}) target_link_libraries(example_transcoding PRIVATE m pthread ${BASISU_EXTRA_LIBS}) endif() endif() if (NOT EMSCRIPTEN) if (UNIX AND NOT BASISU_BUILD_WASM) if (CMAKE_BUILD_TYPE STREQUAL Release) if (APPLE) add_custom_command(TARGET basisu POST_BUILD COMMAND strip -X -x ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/basisu) #message("strip command: strip -X -x ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/basisu") else() add_custom_command(TARGET basisu POST_BUILD COMMAND strip -g -X -x ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/basisu) #message("strip command: strip -g -X -x ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/basisu") endif() endif() endif() endif() if (MSVC) set_target_properties(basisu PROPERTIES RUNTIME_OUTPUT_NAME "basisu" RUNTIME_OUTPUT_DIRECTORY_DEBUG ${CMAKE_RUNTIME_OUTPUT_DIRECTORY} RUNTIME_OUTPUT_DIRECTORY_RELEASE ${CMAKE_RUNTIME_OUTPUT_DIRECTORY} RUNTIME_OUTPUT_DIRECTORY_RELWITHDEBINFO ${CMAKE_RUNTIME_OUTPUT_DIRECTORY} RUNTIME_OUTPUT_DIRECTORY_MINSIZEREL ${CMAKE_RUNTIME_OUTPUT_DIRECTORY} ) if(BASISU_EXAMPLES) set_target_properties(example PROPERTIES RUNTIME_OUTPUT_NAME "example" RUNTIME_OUTPUT_DIRECTORY_DEBUG ${CMAKE_RUNTIME_OUTPUT_DIRECTORY} RUNTIME_OUTPUT_DIRECTORY_RELEASE ${CMAKE_RUNTIME_OUTPUT_DIRECTORY} RUNTIME_OUTPUT_DIRECTORY_RELWITHDEBINFO ${CMAKE_RUNTIME_OUTPUT_DIRECTORY} RUNTIME_OUTPUT_DIRECTORY_MINSIZEREL ${CMAKE_RUNTIME_OUTPUT_DIRECTORY} ) endif() if(BASISU_EXAMPLES) set_target_properties(example_capi PROPERTIES RUNTIME_OUTPUT_NAME "example_capi" RUNTIME_OUTPUT_DIRECTORY_DEBUG ${CMAKE_RUNTIME_OUTPUT_DIRECTORY} RUNTIME_OUTPUT_DIRECTORY_RELEASE ${CMAKE_RUNTIME_OUTPUT_DIRECTORY} RUNTIME_OUTPUT_DIRECTORY_RELWITHDEBINFO ${CMAKE_RUNTIME_OUTPUT_DIRECTORY} RUNTIME_OUTPUT_DIRECTORY_MINSIZEREL ${CMAKE_RUNTIME_OUTPUT_DIRECTORY} ) endif() if(BASISU_EXAMPLES) set_target_properties(example_transcoding PROPERTIES RUNTIME_OUTPUT_NAME "example_transcoding" RUNTIME_OUTPUT_DIRECTORY_DEBUG ${CMAKE_RUNTIME_OUTPUT_DIRECTORY} RUNTIME_OUTPUT_DIRECTORY_RELEASE ${CMAKE_RUNTIME_OUTPUT_DIRECTORY} RUNTIME_OUTPUT_DIRECTORY_RELWITHDEBINFO ${CMAKE_RUNTIME_OUTPUT_DIRECTORY} RUNTIME_OUTPUT_DIRECTORY_MINSIZEREL ${CMAKE_RUNTIME_OUTPUT_DIRECTORY} ) endif() endif() # ------------------------------------------------------------ # Build WASM WASI executables (single or multi-threaded) # ------------------------------------------------------------ if (BASISU_BUILD_WASM) target_compile_options(basisu_encoder PRIVATE -fno-exceptions -fno-rtti) target_compile_options(basisu PRIVATE -fno-exceptions -fno-rtti) if (BASISU_EXAMPLES) target_compile_options(example PRIVATE -fno-exceptions -fno-rtti) target_compile_options(example_capi PRIVATE -fno-exceptions -fno-rtti) target_compile_options(example_transcoding PRIVATE -fno-exceptions -fno-rtti) endif() endif() if (BASISU_BUILD_WASM AND BASISU_WASM_THREADING) target_compile_definitions(basisu_encoder PRIVATE BASISU_WASI_THREADS=1) target_compile_definitions(basisu PRIVATE BASISU_WASI_THREADS=1) if (BASISU_EXAMPLES) target_compile_definitions(example PRIVATE BASISU_WASI_THREADS=1) target_compile_definitions(example_capi PRIVATE BASISU_WASI_THREADS=1) target_compile_definitions(example_transcoding PRIVATE BASISU_WASI_THREADS=1) endif() endif() # ------------------------------------------------------------ # Build WASM WASI API module (single or multi-threaded) # ------------------------------------------------------------ if (BASISU_BUILD_WASM) set(BASISU_WASM_API_SRC ${CMAKE_CURRENT_SOURCE_DIR}/encoder/basisu_wasm_api.cpp ) # Select output name based on threading flag if (BASISU_WASM_THREADING) set(BASISU_WASM_OUTPUT_NAME "basisu_module_mt") else() set(BASISU_WASM_OUTPUT_NAME "basisu_module_st") endif() add_executable(${BASISU_WASM_OUTPUT_NAME} ${BASISU_WASM_API_SRC}) target_link_libraries(${BASISU_WASM_OUTPUT_NAME} PRIVATE basisu_encoder) set_target_properties(${BASISU_WASM_OUTPUT_NAME} PROPERTIES SUFFIX ".wasm") # Common WASM options target_link_options(${BASISU_WASM_OUTPUT_NAME} PRIVATE -Wl,--initial-memory=268435456 -Wl,--max-memory=3758096384 -Wl,--stack-first -Wl,-z,stack-size=8388608 ) target_compile_options(${BASISU_WASM_OUTPUT_NAME} PRIVATE -fno-exceptions -fno-rtti) set_target_properties(${BASISU_WASM_OUTPUT_NAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/python/basisu_py/wasm ) # Threading options if (BASISU_WASM_THREADING) target_compile_options(${BASISU_WASM_OUTPUT_NAME} PRIVATE -pthread -matomics ) target_link_options(${BASISU_WASM_OUTPUT_NAME} PRIVATE -pthread -Wl,--shared-memory -Wl,--export-memory ) target_compile_definitions(${BASISU_WASM_OUTPUT_NAME} PRIVATE BASISU_WASI_THREADS=1) endif() endif() if (BASISU_BUILD_WASM) # Select output name based on threading flag if (BASISU_WASM_THREADING) set(BASISU_TRANSCODER_WASM_OUTPUT_NAME "basisu_transcoder_module_mt") else() set(BASISU_TRANSCODER_WASM_OUTPUT_NAME "basisu_transcoder_module_st") endif() add_executable(${BASISU_TRANSCODER_WASM_OUTPUT_NAME} ${CMAKE_CURRENT_SOURCE_DIR}/encoder/basisu_wasm_transcoder_api.cpp ${CMAKE_CURRENT_SOURCE_DIR}/transcoder/basisu_transcoder.cpp ${CMAKE_CURRENT_SOURCE_DIR}/zstd/zstddeclib.c) set_target_properties(${BASISU_TRANSCODER_WASM_OUTPUT_NAME} PROPERTIES SUFFIX ".wasm") target_link_options(${BASISU_TRANSCODER_WASM_OUTPUT_NAME} PRIVATE -Wl,--initial-memory=16777216 -Wl,--stack-first -Wl,-z,stack-size=4194304 ) target_compile_options(${BASISU_TRANSCODER_WASM_OUTPUT_NAME} PRIVATE -fno-exceptions -fno-rtti) set_target_properties(${BASISU_TRANSCODER_WASM_OUTPUT_NAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/python/basisu_py/wasm ) endif() # ------------------------------------------------------------ # Optional: Build native Python modules (pybind11) # ------------------------------------------------------------ if (BASISU_BUILD_PYTHON AND NOT BASISU_BUILD_WASM) find_package(pybind11 CONFIG REQUIRED) message(STATUS "Building pybind11 Python extension: basisu_python") pybind11_add_module(basisu_python python/basisu_encoder_pybind11.cpp encoder/basisu_wasm_api.cpp ) # Ensure PIC ONLY for this target set_property(TARGET basisu_python PROPERTY POSITION_INDEPENDENT_CODE ON) target_link_libraries(basisu_python PRIVATE basisu_encoder) # Put basisu_python so into python/basisu_py set_target_properties(basisu_python PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/python/basisu_py PREFIX "" # Required by Python OUTPUT_NAME "basisu_python" # Just to be explicit ) if (MSVC) set_target_properties(basisu_python PROPERTIES LIBRARY_OUTPUT_DIRECTORY_RELEASE ${CMAKE_CURRENT_SOURCE_DIR}/python/basisu_py LIBRARY_OUTPUT_DIRECTORY_DEBUG ${CMAKE_CURRENT_SOURCE_DIR}/python/basisu_py LIBRARY_OUTPUT_DIRECTORY_RELWITHDEBINFO ${CMAKE_CURRENT_SOURCE_DIR}/python/basisu_py LIBRARY_OUTPUT_DIRECTORY_MINSIZEREL ${CMAKE_CURRENT_SOURCE_DIR}/python/basisu_py SUFFIX ".pyd" ) endif() endif() if (BASISU_BUILD_PYTHON AND NOT BASISU_BUILD_WASM) find_package(pybind11 CONFIG REQUIRED) message(STATUS "Building pybind11 Python extension: basisu_transcoder_python") pybind11_add_module(basisu_transcoder_python python/basisu_transcoder_pybind11.cpp encoder/basisu_wasm_transcoder_api.cpp transcoder/basisu_transcoder.cpp zstd/zstddeclib.c ) # Ensure PIC ONLY for this target set_property(TARGET basisu_transcoder_python PROPERTY POSITION_INDEPENDENT_CODE ON) set_target_properties(basisu_transcoder_python PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/python/basisu_py PREFIX "" OUTPUT_NAME "basisu_transcoder_python" ) if (MSVC) set_target_properties(basisu_transcoder_python PROPERTIES LIBRARY_OUTPUT_DIRECTORY_RELEASE ${CMAKE_CURRENT_SOURCE_DIR}/python/basisu_py LIBRARY_OUTPUT_DIRECTORY_DEBUG ${CMAKE_CURRENT_SOURCE_DIR}/python/basisu_py LIBRARY_OUTPUT_DIRECTORY_RELWITHDEBINFO ${CMAKE_CURRENT_SOURCE_DIR}/python/basisu_py LIBRARY_OUTPUT_DIRECTORY_MINSIZEREL ${CMAKE_CURRENT_SOURCE_DIR}/python/basisu_py SUFFIX ".pyd" ) endif() endif()