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NouVeL/ADVect/ext/bgfx/cmake/examples.cmake
lachrymaL a9ed7e44d5
bgfx
2022-08-18 12:17:43 -04:00

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CMake
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# bgfx.cmake - bgfx building in cmake
# Written in 2017 by Joshua Brookover <joshua.al.brookover@gmail.com>
# To the extent possible under law, the author(s) have dedicated all copyright
# and related and neighboring rights to this software to the public domain
# worldwide. This software is distributed without any warranty.
# You should have received a copy of the CC0 Public Domain Dedication along with
# this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
include( CMakeParseArguments )
include( ${CMAKE_CURRENT_LIST_DIR}/util/ConfigureDebugging.cmake )
include( ${CMAKE_CURRENT_LIST_DIR}/3rdparty/dear-imgui.cmake )
include( ${CMAKE_CURRENT_LIST_DIR}/3rdparty/meshoptimizer.cmake )
function( add_bgfx_shader FILE FOLDER )
get_filename_component( FILENAME "${FILE}" NAME_WE )
string( SUBSTRING "${FILENAME}" 0 2 TYPE )
if( "${TYPE}" STREQUAL "fs" )
set( TYPE "FRAGMENT" )
set( D3D_PREFIX "ps" )
elseif( "${TYPE}" STREQUAL "vs" )
set( TYPE "VERTEX" )
set( D3D_PREFIX "vs" )
elseif( "${TYPE}" STREQUAL "cs" )
set( TYPE "COMPUTE" )
set( D3D_PREFIX "cs" )
else()
set( TYPE "" )
endif()
if( NOT "${TYPE}" STREQUAL "" )
set( COMMON FILE ${FILE} ${TYPE} INCLUDES ${BGFX_DIR}/src )
set( OUTPUTS "" )
set( OUTPUTS_PRETTY "" )
if( WIN32 )
# dx9
if( NOT "${TYPE}" STREQUAL "COMPUTE" )
set( DX9_OUTPUT ${BGFX_DIR}/examples/runtime/shaders/dx9/${FILENAME}.bin )
shaderc_parse( DX9 ${COMMON} WINDOWS PROFILE ${D3D_PREFIX}_3_0 O 3 OUTPUT ${DX9_OUTPUT} )
list( APPEND OUTPUTS "DX9" )
set( OUTPUTS_PRETTY "${OUTPUTS_PRETTY}DX9, " )
endif()
# dx11
set( DX11_OUTPUT ${BGFX_DIR}/examples/runtime/shaders/dx11/${FILENAME}.bin )
if( NOT "${TYPE}" STREQUAL "COMPUTE" )
shaderc_parse( DX11 ${COMMON} WINDOWS PROFILE ${D3D_PREFIX}_5_0 O 3 OUTPUT ${DX11_OUTPUT} )
else()
shaderc_parse( DX11 ${COMMON} WINDOWS PROFILE ${D3D_PREFIX}_5_0 O 1 OUTPUT ${DX11_OUTPUT} )
endif()
list( APPEND OUTPUTS "DX11" )
set( OUTPUTS_PRETTY "${OUTPUTS_PRETTY}DX11, " )
endif()
if( APPLE )
# metal
set( METAL_OUTPUT ${BGFX_DIR}/examples/runtime/shaders/metal/${FILENAME}.bin )
shaderc_parse( METAL ${COMMON} OSX PROFILE metal OUTPUT ${METAL_OUTPUT} )
list( APPEND OUTPUTS "METAL" )
set( OUTPUTS_PRETTY "${OUTPUTS_PRETTY}Metal, " )
endif()
# essl
if( NOT "${TYPE}" STREQUAL "COMPUTE" )
set( ESSL_OUTPUT ${BGFX_DIR}/examples/runtime/shaders/essl/${FILENAME}.bin )
shaderc_parse( ESSL ${COMMON} ANDROID OUTPUT ${ESSL_OUTPUT} )
list( APPEND OUTPUTS "ESSL" )
set( OUTPUTS_PRETTY "${OUTPUTS_PRETTY}ESSL, " )
endif()
# glsl
set( GLSL_OUTPUT ${BGFX_DIR}/examples/runtime/shaders/glsl/${FILENAME}.bin )
if( NOT "${TYPE}" STREQUAL "COMPUTE" )
shaderc_parse( GLSL ${COMMON} LINUX PROFILE 120 OUTPUT ${GLSL_OUTPUT} )
else()
shaderc_parse( GLSL ${COMMON} LINUX PROFILE 430 OUTPUT ${GLSL_OUTPUT} )
endif()
list( APPEND OUTPUTS "GLSL" )
set( OUTPUTS_PRETTY "${OUTPUTS_PRETTY}GLSL, " )
# spirv
if( NOT "${TYPE}" STREQUAL "COMPUTE" )
set( SPIRV_OUTPUT ${BGFX_DIR}/examples/runtime/shaders/spirv/${FILENAME}.bin )
shaderc_parse( SPIRV ${COMMON} LINUX PROFILE spirv OUTPUT ${SPIRV_OUTPUT} )
list( APPEND OUTPUTS "SPIRV" )
set( OUTPUTS_PRETTY "${OUTPUTS_PRETTY}SPIRV" )
set( OUTPUT_FILES "" )
set( COMMANDS "" )
endif()
foreach( OUT ${OUTPUTS} )
list( APPEND OUTPUT_FILES ${${OUT}_OUTPUT} )
list( APPEND COMMANDS COMMAND "$<TARGET_FILE:shaderc>" ${${OUT}} )
get_filename_component( OUT_DIR ${${OUT}_OUTPUT} DIRECTORY )
file( MAKE_DIRECTORY ${OUT_DIR} )
endforeach()
file( RELATIVE_PATH PRINT_NAME ${BGFX_DIR}/examples ${FILE} )
add_custom_command(
MAIN_DEPENDENCY
${FILE}
OUTPUT
${OUTPUT_FILES}
${COMMANDS}
COMMENT "Compiling shader ${PRINT_NAME} for ${OUTPUTS_PRETTY}"
)
endif()
endfunction()
function( add_example ARG_NAME )
# Parse arguments
cmake_parse_arguments( ARG "COMMON" "" "DIRECTORIES;SOURCES" ${ARGN} )
# Get all source files
list( APPEND ARG_DIRECTORIES "${BGFX_DIR}/examples/${ARG_NAME}" )
set( SOURCES "" )
set( SHADERS "" )
foreach( DIR ${ARG_DIRECTORIES} )
if( APPLE )
file( GLOB GLOB_SOURCES ${DIR}/*.mm )
list( APPEND SOURCES ${GLOB_SOURCES} )
endif()
file( GLOB GLOB_SOURCES ${DIR}/*.c ${DIR}/*.cpp ${DIR}/*.h ${DIR}/*.sc )
list( APPEND SOURCES ${GLOB_SOURCES} )
file( GLOB GLOB_SHADERS ${DIR}/*.sc )
list( APPEND SHADERS ${GLOB_SHADERS} )
endforeach()
# Add target
if( ARG_COMMON )
add_library( example-${ARG_NAME} STATIC EXCLUDE_FROM_ALL ${SOURCES} )
target_include_directories( example-${ARG_NAME} PUBLIC ${BGFX_DIR}/examples/common )
target_link_libraries( example-${ARG_NAME} PUBLIC bgfx bx bimg dear-imgui meshoptimizer )
if( BGFX_WITH_GLFW )
find_package( glfw3 REQUIRED )
target_link_libraries( example-${ARG_NAME} PUBLIC glfw )
target_compile_definitions( example-${ARG_NAME} PUBLIC ENTRY_CONFIG_USE_GLFW )
elseif( BGFX_WITH_SDL )
find_package( SDL2 REQUIRED )
target_link_libraries( example-${ARG_NAME} PUBLIC ${SDL2_LIBRARIES} )
target_compile_definitions( example-${ARG_NAME} PUBLIC ENTRY_CONFIG_USE_SDL )
elseif( UNIX AND NOT APPLE )
target_link_libraries( example-${ARG_NAME} PUBLIC X11 )
endif()
else()
if( BGFX_INSTALL_EXAMPLES )
add_executable( example-${ARG_NAME} WIN32 ${SOURCES} )
else()
add_executable( example-${ARG_NAME} WIN32 EXCLUDE_FROM_ALL ${SOURCES} )
endif()
target_link_libraries( example-${ARG_NAME} example-common )
configure_debugging( example-${ARG_NAME} WORKING_DIR ${BGFX_DIR}/examples/runtime )
if( MSVC )
set_target_properties( example-${ARG_NAME} PROPERTIES LINK_FLAGS "/ENTRY:\"mainCRTStartup\"" )
endif()
if( BGFX_CUSTOM_TARGETS )
add_dependencies( examples example-${ARG_NAME} )
endif()
if( IOS )
set_target_properties(example-${ARG_NAME} PROPERTIES MACOSX_BUNDLE ON
MACOSX_BUNDLE_GUI_IDENTIFIER example-${ARG_NAME}
MACOSX_BUNDLE_BUNDLE_VERSION 0
MACOSX_BUNDLE_SHORT_VERSION_STRING 0
XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY "iPhone Developer")
endif()
endif()
target_compile_definitions( example-${ARG_NAME} PRIVATE "-D_CRT_SECURE_NO_WARNINGS" "-D__STDC_FORMAT_MACROS" "-DENTRY_CONFIG_IMPLEMENT_MAIN=1" )
# Configure shaders
if( NOT ARG_COMMON AND NOT IOS AND NOT EMSCRIPTEN AND NOT ANDROID)
foreach( SHADER ${SHADERS} )
add_bgfx_shader( ${SHADER} ${ARG_NAME} )
endforeach()
source_group( "Shader Files" FILES ${SHADERS})
endif()
if (NOT ARG_COMMON AND EMSCRIPTEN)
target_link_libraries(example-${ARG_NAME}
"-s PRECISE_F32=1"
"-s TOTAL_MEMORY=268435456"
"--memory-init-file 1")
endif()
# Directory name
set_target_properties( example-${ARG_NAME} PROPERTIES FOLDER "bgfx/examples" )
if (IOS OR WIN32)
# on iOS we need to build a bundle so have to copy the data rather than symlink
# and on windows we can't create symlinks
add_custom_command( TARGET example-${ARG_NAME} COMMAND ${CMAKE_COMMAND} -E copy_directory ${BGFX_DIR}/examples/runtime/ $<TARGET_FILE_DIR:example-${ARG_NAME}>)
else()
# For everything else symlink some folders into our output directory
add_custom_command( TARGET example-${ARG_NAME} COMMAND ${CMAKE_COMMAND} -E create_symlink ${BGFX_DIR}/examples/runtime/font $<TARGET_FILE_DIR:example-${ARG_NAME}>/font)
add_custom_command( TARGET example-${ARG_NAME} COMMAND ${CMAKE_COMMAND} -E create_symlink ${BGFX_DIR}/examples/runtime/images $<TARGET_FILE_DIR:example-${ARG_NAME}>/images)
add_custom_command( TARGET example-${ARG_NAME} COMMAND ${CMAKE_COMMAND} -E create_symlink ${BGFX_DIR}/examples/runtime/meshes $<TARGET_FILE_DIR:example-${ARG_NAME}>/meshes)
add_custom_command( TARGET example-${ARG_NAME} COMMAND ${CMAKE_COMMAND} -E create_symlink ${BGFX_DIR}/examples/runtime/shaders $<TARGET_FILE_DIR:example-${ARG_NAME}>/shaders)
add_custom_command( TARGET example-${ARG_NAME} COMMAND ${CMAKE_COMMAND} -E create_symlink ${BGFX_DIR}/examples/runtime/text $<TARGET_FILE_DIR:example-${ARG_NAME}>/text)
add_custom_command( TARGET example-${ARG_NAME} COMMAND ${CMAKE_COMMAND} -E create_symlink ${BGFX_DIR}/examples/runtime/textures $<TARGET_FILE_DIR:example-${ARG_NAME}>/textures)
endif()
endfunction()
# Build all examples target
if( BGFX_CUSTOM_TARGETS )
add_custom_target( examples )
set_target_properties( examples PROPERTIES FOLDER "bgfx/examples" )
endif()
# Add common library for examples
add_example(
common
COMMON
DIRECTORIES
${BGFX_DIR}/examples/common/debugdraw
${BGFX_DIR}/examples/common/entry
${BGFX_DIR}/examples/common/font
${BGFX_DIR}/examples/common/imgui
${BGFX_DIR}/examples/common/nanovg
${BGFX_DIR}/examples/common/ps
)
# Only add examples if set, otherwise we still need exmaples common for tools
if( BGFX_BUILD_EXAMPLES )
# Add examples
set(
BGFX_EXAMPLES
00-helloworld
01-cubes
02-metaballs
03-raymarch
04-mesh
05-instancing
06-bump
07-callback
08-update
09-hdr
10-font
11-fontsdf
12-lod
13-stencil
14-shadowvolumes
15-shadowmaps-simple
16-shadowmaps
17-drawstress
18-ibl
19-oit
20-nanovg
# 21-deferred
22-windows
23-vectordisplay
24-nbody
25-c99
26-occlusion
27-terrain
28-wireframe
29-debugdraw
30-picking
31-rsm
32-particles
33-pom
34-mvs
35-dynamic
36-sky
# 37-gpudrivenrendering
38-bloom
39-assao
40-svt
# 41-tess
42-bunnylod
43-denoise
44-sss
45-bokeh
46-fsr
)
foreach( EXAMPLE ${BGFX_EXAMPLES} )
add_example( ${EXAMPLE} )
endforeach()
endif()
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