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CMakeLists.txt
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# Copyright 2015-2020 The Khronos Group Inc.
# SPDX-License-Identifier: Apache-2.0
cmake_minimum_required(VERSION 3.15)
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake/modules/")
find_package(Bash REQUIRED)
include(cmake/version.cmake)
project(KTX-Software
VERSION ${KTX_VERSION}
DESCRIPTION "Libraries and tools to create and read KTX image texture files."
)
include(CTest)
include(GNUInstallDirs)
include(CMakeDependentOption)
include(cmake/codesign.cmake)
include(cmake/cputypetest.cmake)
find_package(OpenCL)
# OPTIONS
if( IOS OR EMSCRIPTEN )
set( LIB_TYPE_DEFAULT ON )
else()
set( LIB_TYPE_DEFAULT OFF )
endif()
CMAKE_DEPENDENT_OPTION( KTX_FEATURE_TOOLS
"Create KTX tools"
ON
"NOT IOS;NOT ANDROID;NOT EMSCRIPTEN"
OFF
)
option( KTX_FEATURE_DOC "Create KTX documentation" OFF )
option( KTX_FEATURE_LOADTEST_APPS "Create load tests apps that load and display various KTX textures" OFF )
option( KTX_FEATURE_STATIC_LIBRARY "Create static libraries (shared otherwise)" ${LIB_TYPE_DEFAULT} )
option( KTX_FEATURE_TESTS "Create unit tests" ON )
option( KTX_FEATURE_JNI "Create Java bindings for libktx" OFF )
if(POLICY CMP0127)
# cmake_dependent_option() supports full Condition Syntax. Introduced in
# 3.22. Not all build environments have 3.22+. Set policy to avoid warning.
# Seems the parens in the match string trigger the warning.
cmake_policy(SET CMP0127 NEW)
endif()
set_target_processor_type(CPU_ARCHITECTURE)
CMAKE_DEPENDENT_OPTION( BASISU_SUPPORT_SSE
"Compile with SSE support so applications can choose to use it."
ON
"NOT CMAKE_OSX_ARCHITECTURES STREQUAL \"$(ARCHS_STANDARD)\"; CPU_ARCHITECTURE STREQUAL x86_64 OR CPU_ARCHITECTURE STREQUAL x86"
OFF
)
CMAKE_DEPENDENT_OPTION( BASISU_SUPPORT_OPENCL
"Compile with OpenCL support so applications can choose to use it."
OFF
"OpenCL_FOUND OR WIN32"
OFF
)
if(BASISU_SUPPORT_OPENCL AND WIN32 AND NOT OpenCL_FOUND)
# To avoid fiddly setting up of OpenCL on Windows CI VMs, use copy in repo.
set(OpenCL_INCLUDE_DIR
"${CMAKE_CURRENT_SOURCE_DIR}/lib/basisu/opencl"
# FORCE to override *-NOTFOUND set by the failed find.
CACHE PATH "" FORCE
)
set(OpenCL_LIBRARY
"${CMAKE_CURRENT_SOURCE_DIR}/lib/basisu/opencl/lib/OpenCL64.lib"
CACHE FILEPATH "" FORCE
)
set(OpenCL_INCLUDE_DIRS ${OpenCL_INCLUDE_DIR})
set(OpenCL_LIBRARIES ${OpenCL_LIBRARY})
endif()
CMAKE_DEPENDENT_OPTION( KTX_EMBED_BITCODE
"Embed bitcode in binaries"
OFF
"APPLE AND IOS"
OFF
)
option( KTX_FEATURE_KTX1 "Enable KTX 1 support" ON )
option( KTX_FEATURE_KTX2 "Enable KTX 2 support" ON )
option( KTX_FEATURE_VULKAN "Enable Vulkan texture upload" ON )
option( KTX_FEATURE_GL_UPLOAD "Enable OpenGL texture upload" ON )
# Platform specific settings
if(APPLE)
# Signing
set(XCODE_CODE_SIGN_IDENTITY "Development" CACHE STRING "Xcode code sign ID")
set(XCODE_DEVELOPMENT_TEAM "" CACHE STRING "Xcode development team ID")
set(PRODUCTBUILD_IDENTITY_NAME "" CACHE STRING "productbuild identity name")
set(PRODUCTBUILD_KEYCHAIN_PATH "" CACHE FILEPATH "pkgbuild keychain file")
if(IOS)
set(XCODE_PROVISIONING_PROFILE_SPECIFIER "" CACHE STRING "Xcode provisioning profile specifier")
set(MOLTENVK_SDK "$ENV{VULKAN_SDK}/../MoltenVK" CACHE STRING "MoltenVK directory inside the Vulkan SDK")
endif()
# Deployment
set(CMAKE_OSX_DEPLOYMENT_TARGET "10.11" CACHE STRING "macOS Deployment Target")
if(IOS)
set(CMAKE_XCODE_ATTRIBUTE_IPHONEOS_DEPLOYMENT_TARGET "11.0" CACHE STRING "iOS Deployment Target")
set(CMAKE_XCODE_ATTRIBUTE_ONLY_ACTIVE_ARCH NO)
endif()
endif()
if (WIN32)
# Signing
set(WIN_CODE_SIGN_IDENTITY "" CACHE STRING "Subject Name of Windows code signing certificate. Displayed in 'Issued To' field of cert{lm,mgr}.")
CMAKE_DEPENDENT_OPTION( WIN_CS_CERT_SEARCH_MACHINE_STORE
"When set, machine store will be searched for signing certificate instead of user store."
OFF
WIN_CODE_SIGN_IDENTITY
OFF
)
if (${CMAKE_SYSTEM_NAME} STREQUAL "WindowsStore")
# Disable OpenGL upload on Universal Windows Platform
set(KTX_FEATURE_GL_UPLOAD OFF)
endif()
endif()
if(UNIX AND NOT APPLE AND NOT EMSCRIPTEN AND NOT ANDROID)
set(LINUX TRUE)
endif()
if(EMSCRIPTEN)
set( KTX_FEATURE_VULKAN OFF )
endif()
set(bitness 64)
if(NOT CMAKE_SIZEOF_VOID_P EQUAL 8 OR FORCE32)
set(bitness 32)
endif()
if(KTX_FEATURE_STATIC_LIBRARY)
set(LIB_TYPE STATIC)
else()
if(IOS OR EMSCRIPTEN)
message(SEND_ERROR "Library type cannot be shared for the current platform. Set KTX_FEATURE_STATIC_LIBRARY to ON!")
endif()
set(LIB_TYPE SHARED)
endif()
# Depends on the settings, so it must be included after
include(cmake/mkvk.cmake)
# Global compile & link options including optimization flags
if(MSVC)
# With /W4 VS2015 (V19.0) issues many warnings that VS2017 & 2019 don't
# so only increase warning level for recent versions.
add_compile_options($<$<VERSION_GREATER_EQUAL:${CMAKE_CXX_COMPILER_VERSION},19.16>:/W4>)
add_compile_options( $<IF:$<CONFIG:Debug>,/Gz,/O2> )
elseif(${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU"
OR ${CMAKE_CXX_COMPILER_ID} MATCHES "Clang")
add_compile_options(-Wall -Wextra)
add_compile_options( $<IF:$<CONFIG:Debug>,-O0,-O3> )
if(EMSCRIPTEN)
add_link_options( $<IF:$<CONFIG:Debug>,-gsource-map,-O3> )
else()
add_link_options( $<IF:$<CONFIG:Debug>,-g,-O3> )
endif()
else()
message(ERROR "${CMAKE_CXX_COMPILER_ID} not yet supported.")
endif()
set(KTX_MAIN_SRC
include/ktx.h
lib/basis_sgd.h
lib/basis_transcode.cpp
lib/basisu/transcoder/basisu_containers.h
lib/basisu/transcoder/basisu_containers_impl.h
lib/basisu/transcoder/basisu_file_headers.h
lib/basisu/transcoder/basisu_transcoder_internal.h
lib/basisu/transcoder/basisu_transcoder_uastc.h
lib/basisu/transcoder/basisu_transcoder.cpp
lib/basisu/transcoder/basisu_transcoder.h
lib/basisu/transcoder/basisu.h
lib/basisu/zstd/zstd.c
lib/checkheader.c
lib/dfdutils/createdfd.c
lib/dfdutils/colourspaces.c
lib/dfdutils/dfd.h
lib/dfdutils/interpretdfd.c
lib/dfdutils/printdfd.c
lib/dfdutils/queries.c
lib/dfdutils/vk2dfd.c
lib/dfdutils/vk2dfd.inl
lib/dfdutils/vulkan/vk_platform.h
lib/dfdutils/vulkan/vulkan_core.h
lib/etcdec.cxx
lib/etcunpack.cxx
lib/filestream.c
lib/filestream.h
lib/formatsize.h
lib/gl_format.h
lib/hashlist.c
lib/info.c
lib/ktxint.h
lib/memstream.c
lib/memstream.h
lib/strings.c
lib/swap.c
lib/texture.c
lib/texture.h
lib/texture2.c
lib/texture2.h
lib/uthash.h
lib/vk_format.h
lib/vkformat_check.c
lib/vkformat_enum.h
lib/vkformat_str.c
)
if(KTX_FEATURE_GL_UPLOAD)
list(APPEND KTX_MAIN_SRC
lib/gl_funcs.c
lib/gl_funcs.h
lib/glloader.c
)
endif()
# Main library
add_library( ktx ${LIB_TYPE}
${KTX_MAIN_SRC}
)
# Read-only library
add_library( ktx_read ${LIB_TYPE}
${KTX_MAIN_SRC}
)
macro(commom_lib_settings lib write)
if(TARGET mkvk)
# Creating vulkan headers is only required when Vulkan SDK updates.
add_dependencies(${lib} mkvk)
endif()
set_target_properties(${lib} PROPERTIES
PUBLIC_HEADER ${CMAKE_CURRENT_SOURCE_DIR}/include/ktx.h
VERSION ${PROJECT_VERSION}
SOVERSION ${PROJECT_VERSION_MAJOR}
XCODE_ATTRIBUTE_ENABLE_HARDENED_RUNTIME "YES"
)
if(IOS)
set_target_properties(${lib} PROPERTIES
FRAMEWORK TRUE
)
endif()
set_code_sign(${lib} "NOPPS")
target_compile_definitions(
${lib}
PUBLIC
"$<$<CONFIG:Debug>:_DEBUG;DEBUG>"
PRIVATE
LIBKTX
)
# C/C++ Standard
target_compile_features(${lib} PUBLIC c_std_99 cxx_std_11)
# Compiler Warning Flags
if(EMSCRIPTEN)
target_compile_options(${lib} PRIVATE
-Wno-nested-anon-types
-Wno-gnu-anonymous-struct
)
else()
target_compile_options(${lib} PRIVATE
# clang options
$<$<CXX_COMPILER_ID:AppleClang,Clang>:
-Wno-nested-anon-types
-Wno-gnu-anonymous-struct
>
$<$<CXX_COMPILER_ID:GNU>:
-Wno-cast-function-type
>
# not clang options
$<$<NOT:$<CXX_COMPILER_ID:MSVC>>:
-Wno-pedantic
>
)
endif()
target_include_directories(
${lib}
PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:include>
PRIVATE
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/lib/basisu/transcoder>
$<INSTALL_INTERFACE:lib/basisu/transcoder>
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/lib/basisu/zstd>
$<INSTALL_INTERFACE:lib/basisu/zstd>
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/other_include>
$<INSTALL_INTERFACE:other_include>
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/utils>
$<INSTALL_INTERFACE:utils>
)
if( LIB_TYPE STREQUAL STATIC )
target_compile_definitions(${lib} PUBLIC KHRONOS_STATIC)
endif()
# To reduce size, don't support transcoding to ancient formats.
target_compile_definitions(${lib} PRIVATE BASISD_SUPPORT_FXT1=0)
# TODO: make options for all formats and good per-platform defaults
# - BASISD_SUPPORT_UASTC
# - BASISD_SUPPORT_DXT1 (BC1)
# - BASISD_SUPPORT_DXT5A (BC3/4/5)
# - BASISD_SUPPORT_BC7
# - BASISD_SUPPORT_BC7_MODE5
# - BASISD_SUPPORT_PVRTC1
# - BASISD_SUPPORT_ETC2_EAC_A8
# - BASISD_SUPPORT_ASTC
# - BASISD_SUPPORT_ATC
# - BASISD_SUPPORT_ASTC_HIGHER_OPAQUE_QUALITY
# - BASISD_SUPPORT_ETC2_EAC_RG11
# - BASISD_SUPPORT_FXT1
# - BASISD_SUPPORT_PVRTC2
if(WIN32)
target_compile_definitions(
${lib}
PRIVATE
# Only set dllexport when building a shared library.
$<$<STREQUAL:${LIB_TYPE},SHARED>:KTX_API=__declspec\(dllexport\)>
PUBLIC # only for basisu_c_binding.
BASISU_NO_ITERATOR_DEBUG_LEVEL
)
# The generator automatically sets the needed VCLinker
# option when a .def file is seen in sources.
# The def files that we add have a different syntax depending on the ABI
if(MINGW)
target_sources(
${lib}
PRIVATE
lib/internalexport_mingw.def
$<${write}:lib/internalexport_write_mingw.def>
)
# Need these flags if mingw happens to target the ucrt (new) rather
# than the legacy msvcrt. Otherwise tests will fail to run because
# the necessary dlls will be missing. If we statically link
# them instead it's fine. This does not cause any abberations if
# the mingw toolchain targets msvcrt instead.
target_link_options(${lib} PUBLIC -static-libgcc -static-libstdc++)
else()
target_sources(
${lib}
PRIVATE
lib/internalexport.def
$<${write}:lib/internalexport_write.def>
)
endif()
elseif(EMSCRIPTEN)
target_compile_definitions(${lib} PRIVATE
# To reduce size, don't support transcoding to formats not
# supported # by WebGL.
BASISD_SUPPORT_ATC=0
BASISD_SUPPORT_PVRTC2=0
# Don't support higher quality mode to avoid 64k table.
BASISD_SUPPORT_ASTC_HIGHER_OPAQUE_QUALITY=0
KTX_OMIT_VULKAN=1
)
endif()
if(KTX_FEATURE_KTX1)
target_compile_definitions(${lib} PUBLIC KTX_FEATURE_KTX1)
target_sources(
${lib}
PRIVATE
lib/texture1.c
lib/texture1.h
)
endif()
if(KTX_FEATURE_KTX2)
target_compile_definitions(${lib} PUBLIC KTX_FEATURE_KTX2)
endif()
if(WIN32)
# By wrapping in generator expression we force multi configuration
# generators (like Visual Studio) to take the exact path and not
# change it.
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY $<1:${KTX_BUILD_DIR}/$<CONFIG>>)
if(MINGW)
# Check if the Threads package is provided; if using Mingw it MIGHT be
find_package(Threads)
if(Threads_FOUND AND CMAKE_USE_PTHREADS_INIT)
target_compile_definitions(ktx PRIVATE WIN32_HAS_PTHREADS)
target_link_libraries(ktx PRIVATE Threads::Threads)
endif()
endif()
elseif(APPLE)
if(KTX_EMBED_BITCODE)
target_compile_options(${lib} PRIVATE "-fembed-bitcode")
endif()
if(NOT IOS)
# Set a common RUNTIME_OUTPUT_DIR for all targets, so that
# INSTALL RPATH is functional in build directory as well.
# BUILD_WITH_INSTALL_RPATH is necessary for working code signing.
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${KTX_BUILD_DIR}/$<CONFIG>)
endif()
elseif(LINUX)
find_package(Threads REQUIRED)
target_link_libraries(
${lib}
PUBLIC
dl
Threads::Threads
)
endif()
if(KTX_FEATURE_VULKAN)
target_sources(
${lib}
PRIVATE
include/ktxvulkan.h
lib/vk_funcs.c
lib/vk_funcs.h
lib/vkloader.c
)
target_include_directories(
${lib}
PRIVATE
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/lib/dfdutils>
$<INSTALL_INTERFACE:lib/dfdutils>
)
get_target_property( KTX_PUBLIC_HEADER ${lib} PUBLIC_HEADER )
list(APPEND KTX_PUBLIC_HEADER ${CMAKE_CURRENT_SOURCE_DIR}/include/ktxvulkan.h)
set_target_properties(${lib} PROPERTIES
PUBLIC_HEADER "${KTX_PUBLIC_HEADER}"
)
else()
target_compile_definitions( ${lib} PRIVATE KTX_OMIT_VULKAN=1 )
endif()
endmacro(commom_lib_settings)
set(KTX_BUILD_DIR "${CMAKE_BINARY_DIR}")
commom_lib_settings(ktx 1)
commom_lib_settings(ktx_read 0)
if(KTX_FEATURE_JNI)
add_subdirectory(interface/java_binding)
endif()
create_version_header(lib ktx)
create_version_file()
target_compile_definitions(
ktx_read
PRIVATE
# We're reading the files ourselves so don't need Basis KTX v2 support.
BASISD_SUPPORT_KTX2_ZSTD=0
BASISD_SUPPORT_KTX2=0
)
# Adding write capability to target ktx
set(BASISU_ENCODER_CXX_SRC
lib/basisu/encoder/basisu_backend.cpp
lib/basisu/encoder/basisu_backend.h
lib/basisu/encoder/basisu_basis_file.cpp
lib/basisu/encoder/basisu_basis_file.h
lib/basisu/encoder/basisu_bc7enc.cpp
lib/basisu/encoder/basisu_bc7enc.h
lib/basisu/encoder/basisu_comp.cpp
lib/basisu/encoder/basisu_comp.h
lib/basisu/encoder/basisu_enc.cpp
lib/basisu/encoder/basisu_enc.h
lib/basisu/encoder/basisu_etc.cpp
lib/basisu/encoder/basisu_etc.h
lib/basisu/encoder/basisu_frontend.cpp
lib/basisu/encoder/basisu_frontend.h
lib/basisu/encoder/basisu_gpu_texture.cpp
lib/basisu/encoder/basisu_gpu_texture.h
lib/basisu/encoder/basisu_kernels_declares.h
lib/basisu/encoder/basisu_kernels_imp.h
lib/basisu/encoder/basisu_kernels_sse.cpp
lib/basisu/encoder/basisu_miniz.h
lib/basisu/encoder/basisu_opencl.cpp
lib/basisu/encoder/basisu_opencl.h
lib/basisu/encoder/basisu_pvrtc1_4.cpp
lib/basisu/encoder/basisu_pvrtc1_4.h
lib/basisu/encoder/basisu_resample_filters.cpp
lib/basisu/encoder/basisu_resampler_filters.h
lib/basisu/encoder/basisu_resampler.cpp
lib/basisu/encoder/basisu_resampler.h
lib/basisu/encoder/basisu_ssim.cpp
lib/basisu/encoder/basisu_ssim.h
lib/basisu/encoder/basisu_uastc_enc.cpp
lib/basisu/encoder/basisu_uastc_enc.h
lib/basisu/encoder/cppspmd_flow.h
lib/basisu/encoder/cppspmd_math.h
lib/basisu/encoder/cppspmd_math_declares.h
lib/basisu/encoder/cppspmd_sse.h
lib/basisu/encoder/cppspmd_type_aliases.h
)
target_sources(
ktx
PRIVATE
lib/basis_encode.cpp
lib/astc_encode.cpp
${BASISU_ENCODER_C_SRC}
${BASISU_ENCODER_CXX_SRC}
lib/writer1.c
lib/writer2.c
)
# Turn off these warnings until Rich fixes the occurences.
# It it not clear to me if generator expressions can be used here
# hence the long-winded way.
#message(STATUS
# "CMAKE_CXX_COMPILER_ID = ${CMAKE_CXX_COMPILER_ID} "
# "CMAKE_CXX_COMPILER_VERSION = ${CMAKE_CXX_COMPILER_VERSION}"
#)
if(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
# Currently no need to disable any warnings in basisu code. Rich fixed them.
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
set_source_files_properties(
# It's too much work to discriminate which files need which warnings
# disabled.
${BASISU_ENCODER_CXX_SRC}
PROPERTIES COMPILE_OPTIONS "-Wno-sign-compare;-Wno-unused-variable;-Wno-class-memaccess;-Wno-misleading-indentation;-Wno-extra;-Wno-deprecated-copy;-Wno-parentheses;-Wno-strict-aliasing"
)
set_source_files_properties(
lib/basisu/transcoder/basisu_transcoder.cpp
PROPERTIES COMPILE_OPTIONS "-Wno-sign-compare;-Wno-unused-function;-Wno-unused-variable;-Wno-class-memaccess;-Wno-maybe-uninitialized"
)
if (${CMAKE_CXX_COMPILER_VERSION} VERSION_GREATER_EQUAL "11.0")
set_source_files_properties(
lib/basisu/zstd/zstd.c
PROPERTIES COMPILE_OPTIONS "-Wno-unused-but-set-variable"
)
endif()
elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
if (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
# Versions equivalency from https://en.wikipedia.org/wiki/Xcode#Xcode_11.x_-_14.x_(since_SwiftUI_framework)_2
if (${CMAKE_CXX_COMPILER_VERSION} VERSION_GREATER_EQUAL "14")
set( clang_version ${CMAKE_CXX_COMPILER_VERSION})
elseif (${CMAKE_CXX_COMPILER_VERSION} VERSION_GREATER_EQUAL "13.1.0")
set( clang_version "13.0.0")
elseif (${CMAKE_CXX_COMPILER_VERSION} VERSION_GREATER_EQUAL "13.0.0")
set( clang_version "12.0.0")
elseif (${CMAKE_CXX_COMPILER_VERSION} VERSION_GREATER_EQUAL "12.0.5")
set( clang_version "11.1.0")
elseif (${CMAKE_CXX_COMPILER_VERSION} VERSION_EQUAL "12.0.0")
set( clang_version "10.0.0")
else()
message(FATAL "Unsupported AppleClang version")
endif()
else()
set( clang_version ${CMAKE_CXX_COMPILER_VERSION} )
endif()
if (${clang_version} VERSION_GREATER_EQUAL "12.0.0")
set_source_files_properties( lib/basisu/encoder/basisu_kernels_sse.cpp
PROPERTIES COMPILE_OPTIONS "-Wno-unused-parameter;-Wno-deprecated-copy;-Wno-uninitialized-const-reference"
)
# Primarily an issue on windows using clang/clangcl
# Lowest tested clang version was 12.0.0 and highest was 14.0.4
set_source_files_properties(
lib/basisu/zstd/zstd.c
PROPERTIES COMPILE_OPTIONS "-Wno-unused-function"
)
else()
set_source_files_properties( lib/basisu/encoder/basisu_kernels_sse.cpp
PROPERTIES COMPILE_OPTIONS "-Wno-unused-parameter"
)
endif()
if (${clang_version} VERSION_GREATER_EQUAL "13.0.0")
get_source_file_property(zstd_options lib/basisu/zstd/zstd.c COMPILE_OPTIONS)
set_source_files_properties(
# We haven't fixed zstd.c because the fix would have to be applied
# every time the upstream script is used to create an updated
# single file decoder.
lib/basisu/zstd/zstd.c
PROPERTIES COMPILE_OPTIONS "${zstd_options};-Wno-unused-but-set-variable"
)
endif()
if (${clang_version} VERSION_GREATER_EQUAL "15.0")
# These are for Emscripten which is ahead of xcode in its clang
# version. Also future proofing for when xcode catches up.
set_source_files_properties(
${BASISU_ENCODER_CXX_SRC}
PROPERTIES COMPILE_OPTIONS "-Wno-sign-compare;-Wno-unused-variable;-Wno-unused-parameter"
)
set_source_files_properties(
lib/basisu/transcoder/basisu_transcoder.cpp
PROPERTIES COMPILE_OPTIONS "-Wno-sign-compare;-Wno-unused-function;-Wno-unused-variable"
)
set_source_files_properties(
lib/basisu/zstd/zstd.c
PROPERTIES COMPILE_OPTIONS "-Wno-unused-but-set-variable;-Wno-bitwise-instead-of-logical"
)
endif()
else()
message(ERROR "${CMAKE_CXX_COMPILER_ID} not yet supported.")
endif()
target_include_directories(
ktx
PRIVATE
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/lib/basisu>
$<INSTALL_INTERFACE:lib/basisu>
$<$<BOOL:${BASISU_SUPPORT_OPENCL}>:${OpenCL_INCLUDE_DIRS}>
)
target_compile_definitions(
ktx
PUBLIC
KTX_FEATURE_WRITE
PRIVATE
# BASISD_SUPPORT_KTX2 has to be 1 to compile the encoder. We
# don't use it. Hopefully it doesn't add too much code. We're using
# the zstd encoder in basisu by explicitly including the file in our
# source list. We don't need the related code in the encoder.
BASISD_SUPPORT_KTX2_ZSTD=0
BASISD_SUPPORT_KTX2=1
$<$<BOOL:${BASISU_SUPPORT_SSE}>:BASISU_SUPPORT_SSE=1>
$<$<NOT:$<BOOL:${BASISU_SUPPORT_SSE}>>:BASISU_SUPPORT_SSE=0>
$<$<BOOL:${BASISU_SUPPORT_OPENCL}>:BASISU_SUPPORT_OPENCL=1>
$<$<NOT:$<BOOL:${BASISU_SUPPORT_OPENCL}>>:BASISU_SUPPORT_OPENCL=0>
)
target_compile_options(
ktx
PRIVATE
$<$<AND:$<BOOL:${BASISU_SUPPORT_SSE}>,$<CXX_COMPILER_ID:AppleClang,Clang,GNU>>:
-msse4.1
>
)
target_link_libraries(
ktx
PRIVATE
$<$<BOOL:${BASISU_SUPPORT_OPENCL}>:${OpenCL_LIBRARIES}>
)
if(EMSCRIPTEN)
set(
KTX_EMC_LINK_FLAGS
--bind
"SHELL:--source-map-base ./"
"SHELL:-s ALLOW_MEMORY_GROWTH=1"
"SHELL:-s ASSERTIONS=0"
"SHELL:-s MALLOC=emmalloc"
"SHELL:-s MODULARIZE=1"
"SHELL:-s FULL_ES3=1"
)
add_executable( ktx_js interface/js_binding/ktx_wrapper.cpp )
target_link_libraries( ktx_js ktx_read )
target_include_directories( ktx_js PRIVATE $<TARGET_PROPERTY:ktx_read,INTERFACE_INCLUDE_DIRECTORIES> )
target_link_options(
ktx_js
PUBLIC
${KTX_EMC_LINK_FLAGS}
"SHELL:-s EXPORT_NAME=LIBKTX"
"SHELL:-s EXPORTED_RUNTIME_METHODS=[\'GL\']"
"SHELL:-s GL_PREINITIALIZED_CONTEXT=1"
)
set_target_properties( ktx_js PROPERTIES OUTPUT_NAME "libktx")
add_custom_command(
TARGET ktx_js
POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy "$<TARGET_FILE_DIR:ktx_js>/$<TARGET_FILE_PREFIX:ktx_js>$<TARGET_FILE_BASE_NAME:ktx_js>.js" "${PROJECT_SOURCE_DIR}/tests/webgl"
COMMAND ${CMAKE_COMMAND} -E copy "$<TARGET_FILE_DIR:ktx_js>/$<TARGET_FILE_PREFIX:ktx_js>$<TARGET_FILE_BASE_NAME:ktx_js>.wasm" "${PROJECT_SOURCE_DIR}/tests/webgl"
COMMENT "Copy libktx.js and libktx.wasm to tests/webgl"
)
install(TARGETS ktx_js
RUNTIME
DESTINATION .
COMPONENT ktx_js
)
install(FILES ${CMAKE_BINARY_DIR}/libktx.wasm
DESTINATION .
COMPONENT ktx_js
)
add_executable( msc_basis_transcoder_js interface/js_binding/transcoder_wrapper.cpp )
target_link_libraries( msc_basis_transcoder_js ktx_read )
target_include_directories( msc_basis_transcoder_js
PRIVATE
lib
lib/basisu/transcoder
)
# Re-use ktx's compile options
target_compile_options(msc_basis_transcoder_js
PRIVATE
$<TARGET_PROPERTY:ktx_read,INTERFACE_COMPILE_OPTIONS>
)
target_link_options(
msc_basis_transcoder_js
PUBLIC
${KTX_EMC_LINK_FLAGS}
"SHELL:-s EXPORT_NAME=MSC_TRANSCODER"
# Re-use ktx's link options
$<TARGET_PROPERTY:ktx_read,INTERFACE_LINK_OPTIONS>
)
set_target_properties( msc_basis_transcoder_js PROPERTIES OUTPUT_NAME "msc_basis_transcoder")
add_custom_command(
TARGET ktx_js
POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy "$<TARGET_FILE_DIR:msc_basis_transcoder_js>/$<TARGET_FILE_PREFIX:msc_basis_transcoder_js>$<TARGET_FILE_BASE_NAME:msc_basis_transcoder_js>.js" "${PROJECT_SOURCE_DIR}/tests/webgl"
COMMAND ${CMAKE_COMMAND} -E copy "$<TARGET_FILE_DIR:msc_basis_transcoder_js>/$<TARGET_FILE_PREFIX:msc_basis_transcoder_js>$<TARGET_FILE_BASE_NAME:msc_basis_transcoder_js>.wasm" "${PROJECT_SOURCE_DIR}/tests/webgl"
COMMENT "Copy msc_basis_transcoder.js and msc_basis_transcoder.wasm to tests/webgl"
)
install(TARGETS msc_basis_transcoder_js
RUNTIME
DESTINATION .
COMPONENT msc_basis_transcoder_js
)
install(FILES ${CMAKE_BINARY_DIR}/msc_basis_transcoder.wasm
DESTINATION .
COMPONENT msc_basis_transcoder_js
)
endif()
add_library( objUtil STATIC
utils/argparser.cpp
utils/argparser.h
utils/ktxapp.h
utils/sbufstream.h
utils/scapp.h
utils/stdafx.h
utils/unused.h
)
target_include_directories(
objUtil
PUBLIC
utils
)
# In C++ apps that use statically linked Libraries all compilatiom units must
# be compiled with matching symbol visibility settings to avoid warnings from
# clang. Many 3rd party libraries, including libassimp which is used by the
# load test apps that statically link also to several internal libraries, use
# "hidden" to avoid conflicts with other libraries.
#
# TODO: set "hidden" as a global option. I do not want to take the time right
# now to deal with the fallout from hiding globals in libktx. Apart from
# having to mark all the public symbols of libktx for clang and gcc with
# __attribute__((visibility("default"))) there will be ramifications to
# texturetests and unittests. Marking the public symbols is easy for those
# already tagged with KTX_API. But all the symbols exported via
# internalexport.def and internalexport_write.def have to be tagged with
# KTX_API which may also require additional inclusion of ktx.h to get the
# definition.
set (STATIC_APP_LIB_SYMBOL_VISIBILITY hidden)
set_target_properties(objUtil PROPERTIES
CXX_VISIBILITY_PRESET ${STATIC_APP_LIB_SYMBOL_VISIBILITY}
)
if(KTX_FEATURE_STATIC_LIBRARY AND
(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
set_source_files_properties(
lib/astc_encode.cpp
PROPERTIES COMPILE_OPTIONS "-fvisibility=hidden"
)
endif()
add_subdirectory(interface/basisu_c_binding)
# Only one architecture is supported at once, if neither of
# ISA_SSE41 and ISA_SSE2 are defined ISA_AVX2 is chosen.
# If ISA_AVX2 fails to compile user must chose other x86 options.
# On arm based systems ISA_NEON is default
list(FIND CMAKE_OSX_ARCHITECTURES "$(ARCHS_STANDARD)" ASTC_BUILD_UNIVERSAL)
list(LENGTH CMAKE_OSX_ARCHITECTURES ARCHITECTURE_COUNT)
if(${ASTC_BUILD_UNIVERSAL} EQUAL -1 AND ARCHITECTURE_COUNT LESS_EQUAL 1)
if (${ISA_NONE})
set(ASTC_LIB_TARGET astcenc-none-static)
else()
if(CPU_ARCHITECTURE STREQUAL x86_64 OR CPU_ARCHITECTURE STREQUAL x86)
if (${ISA_SSE41})
set(ASTC_LIB_TARGET astcenc-sse4.1-static)
elseif (${ISA_SSE2})
set(ASTC_LIB_TARGET astcenc-sse2-static)
else()
set(ISA_AVX2 ON)
set(ASTC_LIB_TARGET astcenc-avx2-static)
endif()
if(CPU_ARCHITECTURE STREQUAL x86)
set(ISA_NONE ON)
set(ISA_AVX2 OFF)
set(ASTCENC_POPCNT 0)
set(ASTC_LIB_TARGET astcenc-none-static)
endif()
elseif(CPU_ARCHITECTURE STREQUAL armv8 OR CPU_ARCHITECTURE STREQUAL arm64)
set(ASTC_LIB_TARGET astcenc-neon-static)
set(ISA_NEON ON)
else()
message(STATUS "Unsupported ISA for ${CPU_ARCHITECTURE} arch, using ISA_NONE.")
set(ASTC_LIB_TARGET astcenc-none-static)
set(ISA_NONE ON)
endif()
endif()
else()
set(ASTC_LIB_TARGET astcenc-static)
endif()
# astcenc
set(CLI OFF) # Only build as library not the CLI astcencoder
add_subdirectory(lib/astc-encoder)
set_property(TARGET ${ASTC_LIB_TARGET} PROPERTY POSITION_INDEPENDENT_CODE ON)
if(KTX_FEATURE_STATIC_LIBRARY AND APPLE)
# Make a single static library to simplify linking.
add_dependencies(ktx ${ASTC_LIB_TARGET})
add_custom_command( TARGET ktx
POST_BUILD
COMMAND libtool -static -o $<TARGET_FILE:ktx> $<TARGET_FILE:ktx> $<TARGET_FILE:${ASTC_LIB_TARGET}>
)
# Don't know libtool equivalent on Windows or Emscripten. Applications
# will have to link with both ktx and ${ASTC_LIB_TARGET}. Static libs
# are unlikely to be used on Windows so not a problem there. For Emscripten
# everything is built into the JS module so not an issue there either.
else()
target_link_libraries(ktx PRIVATE ${ASTC_LIB_TARGET})
endif()
# Tools
if(KTX_FEATURE_TOOLS)
add_subdirectory(tools)
endif()
# Tests
add_subdirectory(tests)
# Documentation
if(KTX_FEATURE_DOC)
include(cmake/docs.cmake)
endif()
set(KTX_INSTALL_TARGETS ktx)
if(KTX_FEATURE_STATIC_LIBRARY AND NOT APPLE)
list(APPEND KTX_INSTALL_TARGETS ${ASTC_LIB_TARGET})
endif()
# Install
if(APPLE OR LINUX)
# Have library's name links as separate component
set(KTX_NAMELINKS ON)
install(TARGETS ${KTX_INSTALL_TARGETS}
EXPORT KTXTargets
ARCHIVE
DESTINATION ${CMAKE_INSTALL_LIBDIR}
COMPONENT library
FRAMEWORK
DESTINATION ${CMAKE_INSTALL_LIBDIR}
COMPONENT library
LIBRARY
DESTINATION ${CMAKE_INSTALL_LIBDIR}
COMPONENT library
NAMELINK_SKIP
PUBLIC_HEADER
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
COMPONENT dev
)
install(TARGETS ${KTX_INSTALL_TARGETS}
LIBRARY
DESTINATION ${CMAKE_INSTALL_LIBDIR}
COMPONENT library
NAMELINK_ONLY
)
else()
# No name links on Windows
set(KTX_NAMELINKS OFF)
install(TARGETS ${KTX_INSTALL_TARGETS}
EXPORT KTXTargets
ARCHIVE
DESTINATION ${CMAKE_INSTALL_LIBDIR}
COMPONENT dev
LIBRARY
DESTINATION ${CMAKE_INSTALL_LIBDIR}
COMPONENT library
RUNTIME
DESTINATION ${CMAKE_INSTALL_BINDIR}
COMPONENT library
PUBLIC_HEADER
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
COMPONENT dev
)
endif()
install(EXPORT KTXTargets
FILE KtxTargets.cmake
NAMESPACE KTX::
DESTINATION lib/cmake/ktx
COMPONENT library
)
include(CMakePackageConfigHelpers)
write_basic_package_version_file(
"KtxConfigVersion.cmake"
COMPATIBILITY SameMajorVersion
)
install( FILES
"cmake/KtxConfig.cmake"
"${CMAKE_CURRENT_BINARY_DIR}/KtxConfigVersion.cmake"
DESTINATION lib/cmake/ktx
COMPONENT library
)
# CPack
include(CPackComponent)
set(CPACK_PACKAGE_NAME "KTX-Software")
set(CPACK_PACKAGE_VENDOR "Khronos Group")
set(CPACK_PACKAGE_HOMEPAGE_URL "https://github.khronos.org/KTX-Software")
set(CPACK_PACKAGE_CONTACT "khronos@callow.im" )
set(CPACK_RESOURCE_FILE_WELCOME "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Welcome.rtf")
set(CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_SOURCE_DIR}/cmake/ReadMe.rtf")
set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/cmake/License.rtf")
# Custom package file name
# This does not use the ${CPU_ARCHITECTURE} set earlier because the hope is
# that the BasisU SIMD code will be changed to no longer need compile time
# definitions and we can remove the complex cputypetest.cmake.
if( APPLE AND CMAKE_OSX_ARCHITECTURES )
# CMAKE_SYSTEM_PROCESSOR typically set to build host processor here.
# CMAKE_OSX_ARCHITECTURES governs target of build.
list(LENGTH CMAKE_OSX_ARCHITECTURES archs_len)
list(GET CMAKE_OSX_ARCHITECTURES 0 arch0)
# Cannot use CMAKE_OSX_ARCHITECTURES instead of arch0 due to if() being
# confused by potentially multiple architectures between OR and STREQUAL.
# It's okay in the else() clause but as we've already set arch0...
if( ${archs_len} GREATER 1 OR ${arch0} STREQUAL "$(ARCHS_STANDARD)" )
set(processor_name "universal")
else()
set(processor_name ${arch0})
endif()
elseif(CMAKE_CXX_COMPILER_ARCHITECTURE_ID)
# When targeting Windows arm64 CMAKE_SYSTEM_PROCESSOR will incorrectly
# return AMD64.
# See: https://gitlab.kitware.com/cmake/cmake/-/issues/15170
# We assume that when building for Windows arm64 that we are using MSVC
# so we can detect the processor arch name with CMAKE_CXX_COMPILER_ARCHITECTURE_ID
set(processor_name ${CMAKE_CXX_COMPILER_ARCHITECTURE_ID})
elseif( CMAKE_SYSTEM_PROCESSOR )
set(processor_name ${CMAKE_SYSTEM_PROCESSOR})
elseif( IOS )
# CMAKE_SYSTEM_PROCESSOR not set when building for iOS.
set(processor_name "arm64")
endif()
string(TOLOWER "${processor_name}" processor_name)
#message(STATUS "processor_name is ${processor_name}, CPU_ARCHITECTURE is ${CPU_ARCHITECTURE}")
set(CPACK_PACKAGE_FILE_NAME "${CMAKE_PROJECT_NAME}-${KTX_VERSION_FULL}-${CMAKE_SYSTEM_NAME}-${processor_name}")
if(APPLE)
if(NOT IOS)
install(FILES tools/package/mac/ktx-uninstall
DESTINATION ${CMAKE_INSTALL_BINDIR}
PERMISSIONS OWNER_READ OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
COMPONENT tools
)
set(CPACK_GENERATOR productbuild)
# Trick the productbuild generator into creating more useful package IDs
set(CPACK_PACKAGE_NAME "ktx")
set(CPACK_PACKAGE_VENDOR "khronos")
# Install at root level
set(CPACK_PACKAGING_INSTALL_PREFIX "/usr/local")
set(CPACK_PRODUCTBUILD_IDENTITY_NAME ${PRODUCTBUILD_IDENTITY_NAME})
set(CPACK_PRODUCTBUILD_KEYCHAIN_PATH ${PRODUCTBUILD_KEYCHAIN_PATH})
# Contains the `summary.html` file, shown at end of installation
set(CPACK_PRODUCTBUILD_RESOURCES_DIR "${CMAKE_CURRENT_SOURCE_DIR}/tools/package/mac/Resources")