67 lines
2.9 KiB
CMake
67 lines
2.9 KiB
CMake
function(add_shader TARGET SHADER)
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find_package(Vulkan REQUIRED COMPONENTS dxc)
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get_filename_component(vulkan-bin-dir ${Vulkan_GLSLC_EXECUTABLE} DIRECTORY)
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find_program(slangc_exe NAMES "slangc")
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if (NOT slangc_exe STREQUAL "slangc_exe-NOTFOUND")
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set(slangc_exe_FOUND true)
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endif()
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get_filename_component(shader-ext ${SHADER} LAST_EXT)
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set(current-shader-path ${CMAKE_CURRENT_SOURCE_DIR}/${SHADER})
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set(current-output-path ${CMAKE_CURRENT_BINARY_DIR}/${SHADER}.spv)
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set(current-copy-path ${CMAKE_CURRENT_BINARY_DIR}/${SHADER})
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get_filename_component(current-output-dir ${current-output-path} DIRECTORY)
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file(MAKE_DIRECTORY ${current-output-dir})
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if (Vulkan_dxc_exe_FOUND AND ${shader-ext} STREQUAL ".hlsl")
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message("Marked as hlsl file. ${current-output-path}")
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get_filename_component(shader-inner ${SHADER} NAME_WLE)
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get_filename_component(shader-type ${shader-inner} LAST_EXT)
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string(REPLACE "." "" shader-type ${shader-type})
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add_custom_command(
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OUTPUT ${current-output-path}
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COMMAND Vulkan::dxc_exe ${DXC_SHADER_FLAGS} -spirv -T "${shader-type}_6_0" -E main ${current-shader-path} -Fo ${current-output-path}
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DEPENDS ${current-shader-path}
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IMPLICIT_DEPENDS CXX ${current-shader-path}
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VERBATIM)
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elseif (Vulkan_glslc_FOUND AND ${shader-ext} STREQUAL ".glsl")
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message("Marked as glsl file. ${current-output-path}")
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add_custom_command(
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OUTPUT ${current-output-path}
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COMMAND Vulkan::glslc ${GLSLC_SHADER_FLAGS} -o ${current-output-path} ${current-shader-path}
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DEPENDS ${current-shader-path}
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IMPLICIT_DEPENDS CXX ${current-shader-path}
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VERBATIM)
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elseif (${shader-ext} STREQUAL ".slang")
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message("Marked as slang file. ${current-output-path}")
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# add_custom_command(
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# OUTPUT ${current-output-path}
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# COMMAND ${slangc_exe} -target spirv -o ${current-output-path} ${current-shader-path}
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# DEPENDS ${current-shader-path}
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# IMPLICIT_DEPENDS CXX ${current-shader-path}
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# VERBATIM)
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add_custom_command(
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TARGET ${TARGET} POST_BUILD
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# OUTPUT ${current-copy-path}
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COMMAND ${CMAKE_COMMAND} -E copy ${current-shader-path} ${CMAKE_CURRENT_BINARY_DIR}/${SHADER}
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DEPENDS ${current-shader-path}
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IMPLICIT_DEPENDS CXX ${current-shader-path}
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COMMENT "Copying ${SHADER}")
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endif ()
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# Make sure our build depends on this output.
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set_source_files_properties(${current-output-path} PROPERTIES GENERATED TRUE)
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target_sources(${TARGET} PRIVATE ${current-output-path})
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endfunction(add_shader)
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function(add_shaders TARGET SHADERS)
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foreach(shader IN ${SHADERS})
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add_shader(TARGET ${shader})
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endforeach()
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endfunction(add_shaders) |