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|
# 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($<$<CONFIG:Debug>:_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()
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