108dae11e9
* Add ground shadow option to gltf_viewer The shadow is always positioned at the bottom of the loaded object's bounding box to ground it perfectly. * Remove unused include
413 lines
15 KiB
CMake
413 lines
15 KiB
CMake
cmake_minimum_required(VERSION 3.10)
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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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# Convert OBJ files into filamesh files.
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# ==================================================================================================
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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(RESOURCE_BINS ${RESOURCE_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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# ==================================================================================================
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# Build materials
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# ==================================================================================================
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set(MATERIAL_SRCS
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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/aiDefaultMat.mat
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materials/aiDefaultTrans.mat
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materials/depthVisualizer.mat
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materials/groundShadow.mat
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materials/heightfield.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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materials/transparentColor.mat)
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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 common 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(common-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}/${TARGET}/${TARGET}_skybox.ktx")
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set(target_envmap "${PROJECT_BINARY_DIR}/${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 ${TARGET} ${CMGEN_ARGS} ${source_envmap}
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MAIN_DEPENDENCY ${source_envmap}
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DEPENDS cmgen)
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endfunction()
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add_envmap("third_party/environments/venetian_crossroads_2k.hdr" "venetian_crossroads_2k")
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# ==================================================================================================
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# Build suzanne resources
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# ==================================================================================================
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function(add_ktxfiles SOURCE TARGET EXTRA_ARGS)
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set(source_path "${ROOT_DIR}/${SOURCE}")
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set(target_path "${TEXTURE_DIR}/${TARGET}")
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set(TEXTURE_FILES ${TEXTURE_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 --strip-alpha ${EXTRA_ARGS} ${source_path} ${target_path}
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MAIN_DEPENDENCY ${source_path}
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DEPENDS mipgen)
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endfunction()
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function(add_pngfile SOURCE TARGET)
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set(source_path "${ROOT_DIR}/${SOURCE}")
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set(target_path "${TEXTURE_DIR}/${TARGET}")
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set(TEXTURE_FILES ${TEXTURE_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 ${source_path})
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endfunction()
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add_ktxfiles("assets/models/monkey/albedo.png" "albedo_s3tc.ktx" "--compression=s3tc_rgb_dxt1")
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add_ktxfiles("assets/models/monkey/roughness.png" "roughness.ktx" "--grayscale")
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add_ktxfiles("assets/models/monkey/metallic.png" "metallic.ktx" "--grayscale")
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add_ktxfiles("assets/models/monkey/ao.png" "ao.ktx" "--grayscale")
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add_pngfile("assets/models/monkey/normal.png" "normal.png")
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get_resgen_vars(${RESOURCE_DIR} textures)
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add_custom_command(
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OUTPUT ${RESGEN_OUTPUTS}
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COMMAND resgen ${RESGEN_FLAGS} ${TEXTURE_FILES}
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DEPENDS resgen ${TEXTURE_FILES}
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COMMENT "Aggregating textures"
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)
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if (DEFINED RESGEN_SOURCE_FLAGS)
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set_source_files_properties(${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 ${RESGEN_SOURCE})
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# ==================================================================================================
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# Resources for lucy demo
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# ==================================================================================================
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set(GLTF_LUCY_RESOURCE_FILES
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${ROOT_DIR}/third_party/models/lucy/lucy.glb
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${ROOT_DIR}/third_party/textures/Blue_tiles_01/Blue_tiles_01_AO.png
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${ROOT_DIR}/third_party/textures/Blue_tiles_01/Blue_tiles_01_Color.png
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${ROOT_DIR}/third_party/textures/Blue_tiles_01/Blue_tiles_01_Normal.png
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${ROOT_DIR}/third_party/textures/Blue_tiles_01/Blue_tiles_01_Roughness.png
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)
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get_resgen_vars(${RESOURCE_DIR} gltf_lucy)
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add_custom_command(
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OUTPUT ${RESGEN_OUTPUTS}
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COMMAND resgen ${RESGEN_FLAGS} ${GLTF_LUCY_RESOURCE_FILES}
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DEPENDS resgen ${GLTF_LUCY_RESOURCE_FILES}
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)
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if (DEFINED RESGEN_SOURCE_FLAGS)
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set_source_files_properties(${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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# Common library
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# ==================================================================================================
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set(APP_LIBS filament sdl2 stb math filamat utils getopt imgui filagui image camutils common-resources)
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if (WIN32)
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list(APPEND APP_LIBS sdl2main)
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endif()
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set(APP_SRCS
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app/Cube.cpp
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app/FilamentApp.cpp
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app/IBL.cpp
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app/IcoSphere.cpp
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app/Sphere.cpp
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app/Image.cpp
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)
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if (APPLE)
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list(APPEND APP_SRCS app/NativeWindowHelperCocoa.mm)
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list(APPEND APP_LIBS "-framework Cocoa -framework QuartzCore")
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endif()
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if (LINUX)
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list(APPEND APP_SRCS app/NativeWindowHelperLinux.cpp)
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endif()
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if (WIN32)
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list(APPEND APP_SRCS app/NativeWindowHelperWindows.cpp)
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endif()
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include_directories(app)
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add_library(sample-app ${APP_SRCS})
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target_include_directories(sample-app PUBLIC app)
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# Multi-configuration generators, like Visual Studio or Xcode, place executable binaries in a
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# sub-directory named after the configuration, like "Debug" or "Release".
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# For these generators, in order to find assets, we must "walk" up an additional directory.
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get_property(_isMultiConfig GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
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if (_isMultiConfig)
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target_compile_definitions(sample-app PRIVATE RELATIVE_ASSET_PATH="..")
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else()
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target_compile_definitions(sample-app PRIVATE RELATIVE_ASSET_PATH=".")
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endif()
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target_link_libraries(sample-app PRIVATE ${APP_LIBS})
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list(APPEND APP_LIBS sample-app)
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# ==================================================================================================
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# Compiler flags
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# ==================================================================================================
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if (NOT MSVC_NATIVE)
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set(COMPILER_FLAGS
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-Wno-extern-c-compat
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$<$<NOT:$<PLATFORM_ID:Linux>>:-Wno-address-of-packed-member>)
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endif()
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if (MSVC OR CLANG_CL)
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set(COMPILER_FLAGS ${COMPILER_FLAGS} $<$<CONFIG:Release>:/fp:fast>)
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else()
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set(COMPILER_FLAGS ${COMPILER_FLAGS} $<$<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_assimp_demo NAME)
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include_directories(${GENERATION_ROOT})
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add_executable(
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${NAME}
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${NAME}.cpp
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app/MeshAssimp.cpp)
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target_link_libraries(${NAME} PRIVATE ${APP_LIBS} assimp)
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target_compile_options(${NAME} PRIVATE ${COMPILER_FLAGS})
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endfunction()
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function(add_filamesh_demo NAME)
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include_directories(${GENERATION_ROOT})
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add_executable(
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${NAME}
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${NAME}.cpp)
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target_link_libraries(${NAME} PRIVATE ${APP_LIBS} filameshio)
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target_compile_options(${NAME} PRIVATE ${COMPILER_FLAGS})
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endfunction()
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if (NOT ANDROID)
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add_assimp_demo(frame_generator)
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add_assimp_demo(lightbulb)
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add_assimp_demo(material_sandbox)
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add_assimp_demo(sample_full_pbr)
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add_filamesh_demo(point_sprites)
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add_filamesh_demo(sample_cloth)
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add_filamesh_demo(sample_normal_map)
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add_filamesh_demo(suzanne)
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add_filamesh_demo(gltf_viewer)
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add_filamesh_demo(gltf_baker)
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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(suzanne PRIVATE suzanne-resources)
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target_link_libraries(gltf_viewer PRIVATE gltf-resources gltfio)
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target_link_libraries(gltf_baker PRIVATE gltf-resources gltfio_pipeline imageio)
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add_executable(lucy_bloom lucy_bloom.cpp lucy_utils.h lucy_utils.cpp)
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target_compile_options(lucy_bloom PRIVATE ${COMPILER_FLAGS})
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target_link_libraries(lucy_bloom PRIVATE ${APP_LIBS} gltf-resources gltfio)
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endif()
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add_executable(heightfield heightfield.cpp)
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target_link_libraries(heightfield PRIVATE ${APP_LIBS})
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target_compile_options(heightfield PRIVATE ${COMPILER_FLAGS})
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# ==================================================================================================
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# Copy the MoltenVK dylibs and JSON on MacOS
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# ==================================================================================================
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if (APPLE AND NOT Vulkan_LIBRARY)
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message(STATUS "No Vulkan SDK was found, using prebuilt MoltenVK.")
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set(MOLTENVK_DIR "../third_party/moltenvk")
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configure_file(
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${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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# Build Vulkan Executables
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# ==================================================================================================
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if (FILAMENT_SUPPORTS_VULKAN)
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add_assimp_demo(vk_shadowtest)
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add_filamesh_demo(vk_animation)
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add_filamesh_demo(vk_depthtesting)
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add_filamesh_demo(vk_hellopbr)
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add_filamesh_demo(vk_hellotriangle)
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add_filamesh_demo(vk_imgui)
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add_filamesh_demo(vk_strobecolor)
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add_filamesh_demo(vk_texturedquad)
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add_filamesh_demo(vk_vbotest)
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add_filamesh_demo(vk_viewtest)
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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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add_custom_target(run_gltf_viewer DEPENDS gltf_viewer assets
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COMMAND gltf_viewer)
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add_custom_target(run_material_sandbox DEPENDS material_sandbox assets
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COMMAND material_sandbox --ibl=venetian_crossroads_2k assets/models/material_sphere/material_sphere.obj)
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