blob: 26ac8ad01f9b606c57ea7969344203d423d5371d [file] [log] [blame]
# 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 3.5)
project(basisu)
option(STATIC "static linking" FALSE)
option(SAN "sanitize" FALSE)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/bin)
# For MSVC builds default to SSE enabled, and determine if it's a 64-bit (-A x64) vs. 32-bit (-A Win32) build.
if (MSVC)
option(SSE "SSE 4.1 support" TRUE)
if ( CMAKE_GENERATOR_PLATFORM STREQUAL Win32 )
set(BUILD_X64 0)
else()
set(BUILD_X64 1)
endif()
add_compile_options(/W4)
else()
option(SSE "SSE 4.1 support" FALSE)
option(BUILD_X64 "build 64-bit" TRUE)
endif()
option(ZSTD "ZSTD support for KTX2 transcoding/encoding" TRUE)
option(OPENCL "OpenCL support in encoder" FALSE)
message("Initial BUILD_X64=${BUILD_X64}")
message("Initial CMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}")
message("Initial SSE=${SSE}")
message("Initial ZSTD=${ZSTD}")
message("Initial OPENCL=${OPENCL}")
message("Initial SAN=${SAN}")
if ((NOT MSVC) AND 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: " ${CMAKE_BUILD_TYPE})
if (BUILD_X64)
message("Building 64-bit")
else()
message("Building 32-bit")
endif()
if (SSE)
message("SSE enabled")
else()
message("SSE disabled")
endif()
if (ZSTD)
message("Zstandard enabled")
else()
message("Zstandard disabled")
endif()
if (NOT MSVC)
set(CMAKE_CXX_FLAGS_DEBUG "${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 "${CMAKE_C_FLAGS_RELEASE}")
if (SAN)
message("Enabling SAN")
set(SANITIZE_FLAGS "-fsanitize=address -fno-omit-frame-pointer -fsanitize=undefined -fno-sanitize=alignment")
set(CMAKE_CXX_FLAGS_DEBUG "${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} ${SANITIZE_FLAGS}")
endif()
set(CMAKE_CXX_FLAGS -std=c++11)
set(GCC_COMPILE_FLAGS "-fvisibility=hidden -fPIC -fno-strict-aliasing -D_LARGEFILE64_SOURCE=1 -D_FILE_OFFSET_BITS=64 -Wall -Wextra -Wno-unused-local-typedefs -Wno-unused-value -Wno-unused-parameter -Wno-unused-variable -Wno-reorder -Wno-misleading-indentation -Wno-class-memaccess -Wno-deprecated-copy -Wno-maybe-uninitialized -Wno-unused-function -Wno-stringop-overflow -Wno-unknown-warning-option")
if (NOT BUILD_X64)
set(GCC_COMPILE_FLAGS "${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} ${GCC_LINK_FLAGS}")
elseif (STATIC)
if (SSE)
set(CMAKE_C_FLAGS "${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} ${GCC_LINK_FLAGS} -static-libgcc -static-libstdc++ -static")
else()
if (SSE)
set(CMAKE_C_FLAGS "${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} ${GCC_COMPILE_FLAGS} -D_DEBUG")
else()
if (SSE)
set(CMAKE_C_FLAGS "${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_astc_hdr_enc.cpp
encoder/3rdparty/android_astc_decomp.cpp
encoder/3rdparty/tinyexr.cpp
transcoder/basisu_transcoder.cpp
)
if (ZSTD)
set(ENCODER_LIB_SRC_LIST ${ENCODER_LIB_SRC_LIST} zstd/zstd.c)
endif()
# Create the static library
add_library(basisu_encoder STATIC ${ENCODER_LIB_SRC_LIST})
# Create the basisu executable and link against the static library
add_executable(basisu basisu_tool.cpp)
target_link_libraries(basisu PRIVATE basisu_encoder)
# Create the new example executable and link against the static library
add_executable(examples example/example.cpp)
target_link_libraries(examples PRIVATE basisu_encoder)
if (ZSTD)
target_compile_definitions(basisu PRIVATE BASISD_SUPPORT_KTX2_ZSTD=1)
target_compile_definitions(examples PRIVATE BASISD_SUPPORT_KTX2_ZSTD=1)
else()
target_compile_definitions(basisu PRIVATE BASISD_SUPPORT_KTX2_ZSTD=0)
target_compile_definitions(examples PRIVATE BASISD_SUPPORT_KTX2_ZSTD=0)
endif()
if (NOT MSVC)
# For Non-Windows builds, let cmake try and find the system OpenCL headers/libs for us.
if (OPENCL AND OPENCL_FOUND)
set(CMAKE_C_FLAGS "${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})
target_include_directories(examples PRIVATE ${OpenCL_INCLUDE_DIRS})
target_include_directories(basisu_encoder PRIVATE ${OpenCL_INCLUDE_DIRS})
set(BASISU_EXTRA_LIBS ${OpenCL_LIBRARIES})
endif()
else()
# For Windows builds, we use our local copies of the OpenCL import lib and Khronos headers.
if (OPENCL)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DBASISU_SUPPORT_OPENCL=1")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DBASISU_SUPPORT_OPENCL=1")
target_include_directories(basisu PRIVATE "OpenCL")
target_include_directories(examples PRIVATE "OpenCL")
target_include_directories(basisu_encoder PRIVATE "OpenCL")
if (BUILD_X64)
target_link_libraries(basisu PRIVATE "${CMAKE_SOURCE_DIR}/OpenCL/lib/OpenCL64.lib")
target_link_libraries(examples PRIVATE "${CMAKE_SOURCE_DIR}/OpenCL/lib/OpenCL64.lib")
else()
target_link_libraries(basisu PRIVATE "${CMAKE_SOURCE_DIR}/OpenCL/lib/OpenCL.lib")
target_link_libraries(examples PRIVATE "${CMAKE_SOURCE_DIR}/OpenCL/lib/OpenCL.lib")
endif()
endif()
endif()
if (NOT MSVC)
target_link_libraries(basisu PRIVATE m pthread ${BASISU_EXTRA_LIBS})
target_link_libraries(examples PRIVATE m pthread ${BASISU_EXTRA_LIBS})
endif()
if (NOT EMSCRIPTEN)
if (UNIX)
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}
)
set_target_properties(examples PROPERTIES
RUNTIME_OUTPUT_NAME "examples"
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()