Files
bgfx.cmake/cmake/bgfxToolUtils.cmake
2023-01-14 22:10:06 -05:00

475 lines
10 KiB
CMake

# _bgfx_bin2c_parse(
# INPUT_FILE filename
# OUTPUT_FILE filename
# ARRAY_NAME name
# )
# Usage: bin2c -f <in> -o <out> -n <name>
function(_bgfx_bin2c_parse ARG_OUT)
set(options "")
set(oneValueArgs INPUT_FILE;OUTPUT_FILE;ARRAY_NAME)
set(multiValueArgs "")
cmake_parse_arguments(ARG "${options}" "${oneValueArgs}" "${multiValueArgs}" "${ARGN}")
set(CLI "")
# -f
if(ARG_INPUT_FILE)
list(APPEND CLI "-f" "${ARG_INPUT_FILE}")
else()
message(SEND_ERROR "Call to _bgfx_bin2c_parse() must have an INPUT_FILE")
endif()
# -o
if(ARG_OUTPUT_FILE)
list(APPEND CLI "-o" "${ARG_OUTPUT_FILE}")
else()
message(SEND_ERROR "Call to _bgfx_bin2c_parse() must have an OUTPUT_FILE")
endif()
# -n
if(ARG_ARRAY_NAME)
list(APPEND CLI "-n" "${ARG_ARRAY_NAME}")
else()
message(SEND_ERROR "Call to _bgfx_bin2c_parse() must have an ARRAY_NAME")
endif()
set(${ARG_OUT} ${CLI} PARENT_SCOPE)
endfunction()
# bgfx_compile_binary_to_header(
# INPUT_FILE filename
# OUTPUT_FILE filename
# ARRAY_NAME name
# )
#
function(bgfx_compile_binary_to_header)
set(options "")
set(oneValueArgs INPUT_FILE;OUTPUT_FILE;ARRAY_NAME)
set(multiValueArgs "")
cmake_parse_arguments(ARG "${options}" "${oneValueArgs}" "${multiValueArgs}" "${ARGN}")
_bgfx_bin2c_parse(
CLI
INPUT_FILE ${ARG_INPUT_FILE}
OUTPUT_FILE ${ARG_OUTPUT_FILE}
ARRAY_NAME ${ARG_ARRAY_NAME}
)
add_custom_command(
OUTPUT ${ARG_OUTPUT_FILE} #
COMMAND bgfx::bin2c ${CLI} #
MAIN_DEPENDENCY ${ARG_INPUT_FILE} #
)
endfunction()
# _bgfx_texturec_parse(
# FILE filename
# OUTPUT filename
# [FORMAT format]
# [QUALITY default|fastest|highest]
# [MIPS]
# [MIPSKIP N]
# [NORMALMAP]
# [EQUIRECT]
# [STRIP]
# [SDF]
# [REF alpha]
# [IQA]
# [PMA]
# [LINEAR]
# [MAX max size]
# [RADIANCE model]
# [AS extension]
# )
function(_bgfx_texturec_parse ARG_OUT)
cmake_parse_arguments(
ARG "MIPS;NORMALMAP;EQUIRECT;STRIP;SDF;IQA;PMA;LINEAR" "FILE;OUTPUT;FORMAT;QUALITY;MIPSKIP;REF;MAX;RADIANCE;AS"
"" ${ARGN}
)
set(CLI "")
# -f
if(ARG_FILE)
list(APPEND CLI "-f" "${ARG_FILE}")
endif()
# -o
if(ARG_OUTPUT)
list(APPEND CLI "-o" "${ARG_OUTPUT}")
endif()
# -t
if(ARG_FORMAT)
list(APPEND CLI "-t" "${ARG_FORMAT}")
endif()
# -q
if(ARG_QUALITY)
list(APPEND CLI "-q" "${ARG_QUALITY}")
endif()
# --mips
if(ARG_MIPS)
list(APPEND CLI "--mips")
endif()
# --mipskip
if(ARG_MIPSKIP)
list(APPEND CLI "--mipskip" "${ARG_MIPSKIP}")
endif()
# --normalmap
if(ARG_NORMALMAP)
list(APPEND CLI "--normalmap")
endif()
# --equirect
if(ARG_EQUIRECT)
list(APPEND CLI "--equirect")
endif()
# --strip
if(ARG_STRIP)
list(APPEND CLI "--strip")
endif()
# --sdf
if(ARG_SDF)
list(APPEND CLI "--sdf")
endif()
# --ref
if(ARG_REF)
list(APPEND CLI "--ref" "${ARG_REF}")
endif()
# --iqa
if(ARG_IQA)
list(APPEND CLI "--iqa")
endif()
# --pma
if(ARG_PMA)
list(APPEND CLI "--pma")
endif()
# --linear
if(ARG_LINEAR)
list(APPEND CLI "--linear")
endif()
# --max
if(ARG_MAX)
list(APPEND CLI "--max" "${ARG_MAX}")
endif()
# --radiance
if(ARG_RADIANCE)
list(APPEND CLI "--radiance" "${ARG_RADIANCE}")
endif()
# --as
if(ARG_AS)
list(APPEND CLI "--as" "${ARG_AS}")
endif()
set(${ARG_OUT} ${CLI} PARENT_SCOPE)
endfunction()
# bgfx_compile_texture(
# FILE filename
# OUTPUT filename
# [FORMAT format]
# [QUALITY default|fastest|highest]
# [MIPS]
# [MIPSKIP N]
# [NORMALMAP]
# [EQUIRECT]
# [STRIP]
# [SDF]
# [REF alpha]
# [IQA]
# [PMA]
# [LINEAR]
# [MAX max size]
# [RADIANCE model]
# [AS extension]
# )
#
function(bgfx_compile_texture)
cmake_parse_arguments(
ARG "MIPS;NORMALMAP;EQUIRECT;STRIP;SDF;IQA;PMA;LINEAR" "FILE;OUTPUT;FORMAT;QUALITY;MIPSKIP;REF;MAX;RADIANCE;AS"
"" ${ARGN}
)
_bgfx_texturec_parse(CLI ${ARGV})
add_custom_command(
OUTPUT ${ARG_OUTPUT} #
COMMAND bgfx::texturec ${CLI} #
MAIN_DEPENDENCY ${ARG_INPUT} #
)
endfunction()
# _bgfx_shaderc_parse(
# FILE filename
# OUTPUT filename
# FRAGMENT|VERTEX|COMPUTE
# ANDROID|ASM_JS|IOS|LINUX|NACL|OSX|WINDOWS
# [PROFILE profile]
# [O 0|1|2|3]
# [VARYINGDEF filename]
# [BIN2C filename]
# [INCLUDES include;include]
# [DEFINES include;include]
# [DEPENDS]
# [PREPROCESS]
# [RAW]
# [VERBOSE]
# [DEBUG]
# [DISASM]
# [WERROR]
# )
function(_bgfx_shaderc_parse ARG_OUT)
cmake_parse_arguments(
ARG
"DEPENDS;ANDROID;ASM_JS;IOS;LINUX;NACL;OSX;WINDOWS;PREPROCESS;RAW;FRAGMENT;VERTEX;COMPUTE;VERBOSE;DEBUG;DISASM;WERROR"
"FILE;OUTPUT;VARYINGDEF;BIN2C;PROFILE;O"
"INCLUDES;DEFINES"
${ARGN}
)
set(CLI "")
# -f
if(ARG_FILE)
list(APPEND CLI "-f" "${ARG_FILE}")
endif()
# -i
if(ARG_INCLUDES)
foreach(INCLUDE ${ARG_INCLUDES})
list(APPEND CLI "-i")
list(APPEND CLI "${INCLUDE}")
endforeach()
endif()
# -o
if(ARG_OUTPUT)
list(APPEND CLI "-o" "${ARG_OUTPUT}")
endif()
# --bin2c
if(ARG_BIN2C)
list(APPEND CLI "--bin2c" "${ARG_BIN2C}")
endif()
# --depends
if(ARG_DEPENDS)
list(APPEND CLI "--depends")
endif()
# --platform
set(PLATFORM "")
set(PLATFORMS "ANDROID;ASM_JS;IOS;LINUX;NACL;OSX;WINDOWS")
foreach(P ${PLATFORMS})
if(ARG_${P})
if(PLATFORM)
message(SEND_ERROR "Call to _bgfx_shaderc_parse() cannot have both flags ${PLATFORM} and ${P}.")
return()
endif()
set(PLATFORM "${P}")
endif()
endforeach()
if(PLATFORM STREQUAL "")
message(SEND_ERROR "Call to _bgfx_shaderc_parse() must have a platform flag: ${PLATFORMS}")
return()
elseif(PLATFORM STREQUAL ANDROID)
list(APPEND CLI "--platform" "android")
elseif(PLATFORM STREQUAL ASM_JS)
list(APPEND CLI "--platform" "asm.js")
elseif(PLATFORM STREQUAL IOS)
list(APPEND CLI "--platform" "ios")
elseif(PLATFORM STREQUAL NACL)
list(APPEND CLI "--platform" "nacl")
elseif(PLATFORM STREQUAL OSX)
list(APPEND CLI "--platform" "osx")
elseif(PLATFORM STREQUAL UNIX)
list(APPEND CLI "--platform" "linux")
elseif(PLATFORM STREQUAL WINDOWS)
list(APPEND CLI "--platform" "windows")
endif()
# --preprocess
if(ARG_PREPROCESS)
list(APPEND CLI "--preprocess")
endif()
# --define
if(ARG_DEFINES)
list(APPEND CLI "--defines")
set(DEFINES "")
foreach(DEFINE ${ARG_DEFINES})
if(NOT "${DEFINES}" STREQUAL "")
set(DEFINES "${DEFINES}\\\\;${DEFINE}")
else()
set(DEFINES "${DEFINE}")
endif()
endforeach()
list(APPEND CLI "${DEFINES}")
endif()
# --raw
if(ARG_RAW)
list(APPEND CLI "--raw")
endif()
# --type
set(TYPE "")
set(TYPES "FRAGMENT;VERTEX;COMPUTE")
foreach(T ${TYPES})
if(ARG_${T})
if(TYPE)
message(SEND_ERROR "Call to _bgfx_shaderc_parse() cannot have both flags ${TYPE} and ${T}.")
return()
endif()
set(TYPE "${T}")
endif()
endforeach()
if("${TYPE}" STREQUAL "")
message(SEND_ERROR "Call to _bgfx_shaderc_parse() must have a type flag: ${TYPES}")
return()
elseif("${TYPE}" STREQUAL "FRAGMENT")
list(APPEND CLI "--type" "fragment")
elseif("${TYPE}" STREQUAL "VERTEX")
list(APPEND CLI "--type" "vertex")
elseif("${TYPE}" STREQUAL "COMPUTE")
list(APPEND CLI "--type" "compute")
endif()
# --varyingdef
if(ARG_VARYINGDEF)
list(APPEND CLI "--varyingdef" "${ARG_VARYINGDEF}")
endif()
# --verbose
if(ARG_VERBOSE)
list(APPEND CLI "--verbose")
endif()
# --debug
if(ARG_DEBUG)
list(APPEND CLI "--debug")
endif()
# --disasm
if(ARG_DISASM)
list(APPEND CLI "--disasm")
endif()
# --profile
if(ARG_PROFILE)
list(APPEND CLI "--profile" "${ARG_PROFILE}")
endif()
# -O
if(ARG_O)
list(APPEND CLI "-O" "${ARG_O}")
endif()
# --Werror
if(ARG_WERROR)
list(APPEND CLI "--Werror")
endif()
set(${ARG_OUT} ${CLI} PARENT_SCOPE)
endfunction()
function(_bgfx_get_profile_ext PROFILE PROFILE_EXT)
string(REPLACE 300_es essl PROFILE ${PROFILE})
string(REPLACE 120 glsl PROFILE ${PROFILE})
string(REPLACE spirv spv PROFILE ${PROFILE})
string(REPLACE metal mtl PROFILE ${PROFILE})
string(REPLACE s_3_0 dx9 PROFILE ${PROFILE})
string(REPLACE s_4_0 dx10 PROFILE ${PROFILE})
string(REPLACE s_5_0 dx11 PROFILE ${PROFILE})
set(${PROFILE_EXT} ${PROFILE} PARENT_SCOPE)
endfunction()
# bgfx_compile_shader_to_header(
# TYPE VERTEX|FRAGMENT|COMPUTE
# SHADERS filenames
# VARYING_DEF filename
# OUTPUT_DIR directory
# )
#
function(bgfx_compile_shader_to_header)
set(options "")
set(oneValueArgs TYPE VARYING_DEF OUTPUT_DIR)
set(multiValueArgs SHADERS)
cmake_parse_arguments(ARGS "${options}" "${oneValueArgs}" "${multiValueArgs}" "${ARGN}")
set(PROFILES 120 300_es spirv) # pssl
if(UNIX AND NOT APPLE)
set(PLATFORM LINUX)
elseif(EMSCRIPTEN)
set(PLATFORM ASM_JS)
elseif(APPLE)
set(PLATFORM OSX)
list(APPEND PROFILES metal)
elseif(
WIN32
OR MINGW
OR MSYS
OR CYGWIN
)
set(PLATFORM WINDOWS)
if(ARGS_TYPE STREQUAL "VERTEX" OR ARGS_TYPE STREQUAL "FRAGMENT")
list(APPEND PROFILES s_3_0)
list(APPEND PROFILES s_4_0)
list(APPEND PROFILES s_5_0)
elseif(ARGS_TYPE STREQUAL "COMPUTE")
list(APPEND PROFILES s_4_0)
list(APPEND PROFILES s_5_0)
else()
message(error "shaderc: Unsupported type")
endif()
else()
message(error "shaderc: Unsupported platform")
endif()
foreach(SHADER_FILE ${ARGS_SHADERS})
source_group("Shaders" FILES "${SHADER}")
get_filename_component(SHADER_FILE_BASENAME ${SHADER_FILE} NAME)
get_filename_component(SHADER_FILE_NAME_WE ${SHADER_FILE} NAME_WE)
get_filename_component(SHADER_FILE_ABSOLUTE ${SHADER_FILE} ABSOLUTE)
# Build output targets and their commands
set(OUTPUTS "")
set(COMMANDS "")
foreach(PROFILE ${PROFILES})
_bgfx_get_profile_ext(${PROFILE} PROFILE_EXT)
set(OUTPUT ${ARGS_OUTPUT_DIR}/${SHADER_FILE_BASENAME}.${PROFILE_EXT}.bin.h)
set(PLATFORM_I ${PLATFORM})
if(PROFILE STREQUAL "spirv")
set(PLATFORM_I LINUX)
endif()
_bgfx_shaderc_parse(
CLI #
${ARGS_TYPE} ${PLATFORM_I} WERROR "$<$<CONFIG:debug>:DEBUG>$<$<CONFIG:relwithdebinfo>:DEBUG>"
FILE ${SHADER_FILE_ABSOLUTE}
OUTPUT ${OUTPUT}
PROFILE ${PROFILE}
O "$<$<CONFIG:debug>:0>$<$<CONFIG:release>:3>$<$<CONFIG:relwithdebinfo>:3>$<$<CONFIG:minsizerel>:3>"
VARYINGDEF ${ARGS_VARYING_DEF}
INCLUDES ${BGFX_SHADER_INCLUDE_PATH}
BIN2C BIN2C ${SHADER_FILE_NAME_WE}_${PROFILE_EXT}
)
list(APPEND OUTPUTS ${OUTPUT})
list(APPEND COMMANDS COMMAND bgfx::shaderc ${CLI})
endforeach()
add_custom_command(
OUTPUT ${OUTPUTS}
COMMAND ${CMAKE_COMMAND} -E make_directory ${ARGS_OUTPUT_DIR} ${COMMANDS}
MAIN_DEPENDENCY ${SHADER_FILE_ABSOLUTE}
DEPENDS ${ARGS_VARYING_DEF}
)
endforeach()
endfunction()