Romain Guy
a5dbddfd12
Statically link SDL2 to make our samples (glTF Viewer, etc.) completely standalone, and include missing resources (fonts and default environment map for the IBL).
318 lines
12 KiB
CMake
318 lines
12 KiB
CMake
cmake_minimum_required(VERSION 3.19)
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project(filament-samples C ASM)
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if (FILAMENT_SKIP_SAMPLES)
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return()
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endif()
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set(ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/..)
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set(GENERATION_ROOT ${CMAKE_CURRENT_BINARY_DIR})
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set(RESOURCE_DIR "${GENERATION_ROOT}/generated/resources")
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set(MATERIAL_DIR "${GENERATION_ROOT}/generated/material")
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set(TEXTURE_DIR "${GENERATION_ROOT}/generated/texture")
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set(RESOURCE_BINS)
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# ==================================================================================================
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# Build materials
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# ==================================================================================================
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set(MATERIAL_SRCS
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materials/aiDefaultMat.mat
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materials/bakedColor.mat
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materials/bakedTexture.mat
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materials/pointSprites.mat
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materials/aoPreview.mat
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materials/groundShadow.mat
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materials/heightfield.mat
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materials/image.mat
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materials/mirror.mat
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materials/sandboxCloth.mat
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materials/sandboxLit.mat
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materials/sandboxLitFade.mat
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materials/sandboxLitTransparent.mat
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materials/sandboxLitThinRefraction.mat
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materials/sandboxLitThinRefractionSsr.mat
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materials/sandboxLitSolidRefraction.mat
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materials/sandboxLitSolidRefractionSsr.mat
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materials/sandboxSpecGloss.mat
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materials/sandboxSubsurface.mat
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materials/sandboxUnlit.mat
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materials/texturedLit.mat
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)
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if (CMAKE_CROSSCOMPILING)
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include(${IMPORT_EXECUTABLES})
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endif()
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file(MAKE_DIRECTORY ${MATERIAL_DIR})
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foreach (mat_src ${MATERIAL_SRCS})
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get_filename_component(localname "${mat_src}" NAME_WE)
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get_filename_component(fullname "${mat_src}" ABSOLUTE)
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set(output_path "${MATERIAL_DIR}/${localname}.filamat")
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add_custom_command(
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OUTPUT ${output_path}
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COMMAND matc ${MATC_BASE_FLAGS} -o ${output_path} ${fullname}
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MAIN_DEPENDENCY ${mat_src}
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DEPENDS matc
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COMMENT "Compiling material ${mat_src} to ${output_path}"
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)
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list(APPEND RESOURCE_BINS ${output_path})
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endforeach()
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# ==================================================================================================
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# Build sample resources
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# ==================================================================================================
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file(MAKE_DIRECTORY ${RESOURCE_DIR})
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get_resgen_vars(${RESOURCE_DIR} resources)
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add_custom_command(
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OUTPUT ${RESGEN_OUTPUTS}
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COMMAND resgen ${RESGEN_FLAGS} ${RESOURCE_BINS}
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DEPENDS resgen ${RESOURCE_BINS}
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COMMENT "Aggregating resources"
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)
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if (DEFINED RESGEN_SOURCE_FLAGS)
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set_source_files_properties(${RESGEN_SOURCE} PROPERTIES COMPILE_FLAGS ${RESGEN_SOURCE_FLAGS})
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endif()
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# CMake fails to invoke ar on Windows unless there is at least one C/C++ file in the library.
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set(DUMMY_SRC "${RESOURCE_DIR}/dummy.c")
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add_custom_command(OUTPUT ${DUMMY_SRC} COMMAND echo "//" > ${DUMMY_SRC})
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add_library(sample-resources ${DUMMY_SRC} ${RESGEN_SOURCE})
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# ==================================================================================================
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# Invoke cmgen to build KTX files for the default IBL and skybox
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# ==================================================================================================
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set(CMGEN_ARGS --quiet --format=ktx --size=256 --extract-blur=0.1)
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function(add_envmap SOURCE TARGET)
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set(source_envmap "${ROOT_DIR}/${SOURCE}")
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set(target_skybox "${PROJECT_BINARY_DIR}/assets/ibl/${TARGET}/${TARGET}_skybox.ktx")
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set(target_envmap "${PROJECT_BINARY_DIR}/assets/ibl/${TARGET}/${TARGET}_ibl.ktx")
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set(target_envmaps ${target_envmaps} ${target_skybox} PARENT_SCOPE)
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set(target_envmaps ${target_envmaps} ${target_envmap} PARENT_SCOPE)
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add_custom_command(OUTPUT ${target_skybox} ${target_envmap}
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COMMAND cmgen -x assets/ibl/${TARGET} ${CMGEN_ARGS} ${source_envmap}
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MAIN_DEPENDENCY ${source_envmap}
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DEPENDS cmgen
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COMMENT "Generating environment map ${target_envmap}")
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endfunction()
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add_envmap("third_party/environments/lightroom_14b.hdr" "lightroom_14b")
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# ==================================================================================================
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# Build suzanne resources
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# ==================================================================================================
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function(add_ktxfiles SOURCE TARGET EXTRA_ARGS)
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set(source_path "${ROOT_DIR}/${SOURCE}")
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set(target_path "${TEXTURE_DIR}/${TARGET}")
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set(MONKEY_FILES ${MONKEY_FILES} ${target_path} PARENT_SCOPE)
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add_custom_command(
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OUTPUT ${target_path}
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COMMAND mipgen --quiet ${EXTRA_ARGS} ${source_path} ${target_path}
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MAIN_DEPENDENCY ${source_path}
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DEPENDS mipgen
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COMMENT "Generating mip levels for ${source_path}")
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endfunction()
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function(add_pngfile SOURCE TARGET)
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set(source_path "${ROOT_DIR}/${SOURCE}")
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set(target_path "${TEXTURE_DIR}/${TARGET}")
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set(MONKEY_FILES ${MONKEY_FILES} ${target_path} PARENT_SCOPE)
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add_custom_command(
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OUTPUT ${target_path}
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COMMAND ${CMAKE_COMMAND} -E copy ${source_path} ${target_path}
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MAIN_DEPENDENCY ${source_path})
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endfunction()
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function(add_mesh SOURCE TARGET)
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set(source_mesh "${ROOT_DIR}/${SOURCE}")
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set(target_mesh "${RESOURCE_DIR}/${TARGET}")
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set(MONKEY_FILES ${MESH_BINS} ${target_mesh} PARENT_SCOPE)
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add_custom_command(
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OUTPUT ${target_mesh}
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COMMAND filamesh --compress ${source_mesh} ${target_mesh}
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MAIN_DEPENDENCY ${source_mesh}
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DEPENDS filamesh)
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endfunction()
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add_mesh("assets/models/monkey/monkey.obj" "suzanne.filamesh")
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# Use a RGBA compression format for Metal and Vulkan support.
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set (COMPRESSION "--compression=s3tc_rgba_dxt5")
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add_ktxfiles("assets/models/monkey/albedo.png" "albedo_s3tc.ktx" "${COMPRESSION}")
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add_ktxfiles("assets/models/monkey/roughness.png" "roughness.ktx" "${COMPRESSION};--grayscale")
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add_ktxfiles("assets/models/monkey/metallic.png" "metallic.ktx" "${COMPRESSION};--grayscale")
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add_ktxfiles("assets/models/monkey/ao.png" "ao.ktx" "${COMPRESSION};--grayscale")
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add_pngfile("assets/models/monkey/normal.png" "normal.png")
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get_resgen_vars(${RESOURCE_DIR} monkey)
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add_custom_command(
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OUTPUT ${RESGEN_OUTPUTS}
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COMMAND resgen ${RESGEN_FLAGS} ${MONKEY_FILES}
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DEPENDS resgen ${MONKEY_FILES}
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COMMENT "Aggregating monkey resources"
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)
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if (DEFINED RESGEN_SOURCE_FLAGS)
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set_source_files_properties(${RESGEN_SOURCE} PROPERTIES COMPILE_FLAGS ${RESGEN_SOURCE_FLAGS})
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endif()
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add_library(suzanne-resources ${DUMMY_SRC} ${RESGEN_SOURCE})
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# ==================================================================================================
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# Resources for gltf_viewer
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# ==================================================================================================
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add_library(gltf-resources ${DUMMY_SRC})
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set(GLTF_VIEWER_RESOURCE_FILES
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${ROOT_DIR}/third_party/models/DamagedHelmet/DamagedHelmet.glb
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${MATERIAL_DIR}/groundShadow.filamat
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)
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get_resgen_vars(${RESOURCE_DIR} gltf_viewer)
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add_custom_command(
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OUTPUT ${RESGEN_OUTPUTS}
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COMMAND resgen ${RESGEN_FLAGS} ${GLTF_VIEWER_RESOURCE_FILES}
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DEPENDS resgen ${GLTF_VIEWER_RESOURCE_FILES}
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)
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if (DEFINED RESGEN_SOURCE_FLAGS)
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set_source_files_properties(${RESGEN_SOURCE} PROPERTIES COMPILE_FLAGS ${RESGEN_SOURCE_FLAGS})
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endif()
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target_sources(gltf-resources PRIVATE ${RESGEN_SOURCE})
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# ==================================================================================================
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# Compiler flags
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# ==================================================================================================
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if (MSVC)
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set(COMPILER_FLAGS $<$<CONFIG:Release>:/fp:fast>)
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else()
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set(COMPILER_FLAGS
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-Wno-extern-c-compat
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$<$<NOT:$<PLATFORM_ID:Linux>>:-Wno-address-of-packed-member>
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$<$<CONFIG:Release>:-ffast-math>)
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endif()
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# ==================================================================================================
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# Test apps
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# ==================================================================================================
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function(add_demo NAME)
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include_directories(${GENERATION_ROOT})
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add_executable(${NAME} ${NAME}.cpp)
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target_link_libraries(${NAME} PRIVATE sample-resources filamentapp)
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target_compile_options(${NAME} PRIVATE ${COMPILER_FLAGS})
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endfunction()
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if (NOT ANDROID)
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add_demo(animation)
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add_demo(depthtesting)
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add_demo(frame_generator)
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add_demo(gltf_viewer)
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add_demo(gltf_instances)
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add_demo(heightfield)
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add_demo(hellopbr)
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add_demo(hellotriangle)
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add_demo(image_viewer)
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add_demo(lightbulb)
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add_demo(material_sandbox)
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add_demo(multiple_windows)
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add_demo(point_sprites)
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add_demo(rendertarget)
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add_demo(sample_cloth)
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add_demo(sample_full_pbr)
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add_demo(sample_normal_map)
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add_demo(shadowtest)
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add_demo(strobecolor)
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add_demo(suzanne)
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add_demo(texturedquad)
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add_demo(vbotest)
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add_demo(viewtest)
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# Sample app specific
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target_link_libraries(frame_generator PRIVATE imageio)
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target_link_libraries(gltf_viewer PRIVATE gltf-resources gltfio viewer)
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target_link_libraries(gltf_instances PRIVATE gltf-resources gltfio viewer)
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target_link_libraries(hellopbr PRIVATE filameshio suzanne-resources)
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target_link_libraries(image_viewer PRIVATE viewer imageio)
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target_link_libraries(multiple_windows PRIVATE filameshio suzanne-resources)
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target_link_libraries(rendertarget PRIVATE filameshio suzanne-resources)
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target_link_libraries(sample_cloth PRIVATE filameshio)
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target_link_libraries(sample_normal_map PRIVATE filameshio)
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target_link_libraries(suzanne PRIVATE filameshio suzanne-resources)
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# ==============================================================================================
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# Installation
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# ==============================================================================================
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install(TARGETS gltf_viewer RUNTIME DESTINATION bin)
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install(TARGETS material_sandbox RUNTIME DESTINATION bin)
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# Install resources
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install(DIRECTORY ${PROJECT_BINARY_DIR}/assets/fonts DESTINATION bin/assets)
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install(DIRECTORY ${PROJECT_BINARY_DIR}/assets/ibl/ DESTINATION bin/assets)
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endif()
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# ==================================================================================================
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# Copy the MoltenVK dylibs and JSON on MacOS
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# ==================================================================================================
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if (APPLE AND NOT Vulkan_LIBRARY AND NOT FILAMENT_USE_SWIFTSHADER)
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message(STATUS "No Vulkan SDK was found, using prebuilt MoltenVK.")
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set(MOLTENVK_DIR "../third_party/moltenvk")
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configure_file(
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${MOLTENVK_DIR}/libvulkan.1.dylib
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${PROJECT_BINARY_DIR}/libvulkan.1.dylib COPYONLY)
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configure_file(
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${MOLTENVK_DIR}/MoltenVK_icd.json
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${PROJECT_BINARY_DIR}/MoltenVK_icd.json COPYONLY)
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configure_file(
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${MOLTENVK_DIR}/libMoltenVK.dylib
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${PROJECT_BINARY_DIR}/libMoltenVK.dylib COPYONLY)
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list(APPEND APP_SRCS
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${PROJECT_BINARY_DIR}/libvulkan.1.dylib
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${PROJECT_BINARY_DIR}/MoltenVK_icd.json
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${PROJECT_BINARY_DIR}/libMoltenVK.dylib)
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endif()
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# ==================================================================================================
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# Copy Assets
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#
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# This creates a structure like:
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#
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# /lightbulb (etc) sample app executable
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# /assets/fonts copied from REPO/assets
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# /assets/models copied from REPO/assets
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# /textures copied from REPO/third_party
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#
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# ==================================================================================================
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file(COPY ../third_party/textures DESTINATION ${PROJECT_BINARY_DIR})
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add_custom_target(textures ALL DEPENDS textures)
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add_dependencies(filament textures)
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file(COPY ../assets DESTINATION ${PROJECT_BINARY_DIR}
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PATTERN "reference" EXCLUDE
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PATTERN "environments" EXCLUDE)
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add_custom_target(assets ALL DEPENDS assets)
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add_dependencies(filament assets)
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add_custom_target(envs DEPENDS ${target_envmaps})
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add_dependencies(filament envs)
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