37 lines
1.5 KiB
CMake
Executable File
37 lines
1.5 KiB
CMake
Executable File
option(SHADERS_DIR "Directory to look for SLANG shaders" "assets/shaders")
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find_program(SLANGC_EXECUTABLE NAMES slangc)
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if(NOT SLANGC_EXECUTABLE)
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message(FATAL_ERROR "slangc executable not found.")
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else()
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message(STATUS "Found slangc executable: ${SLANGC_EXECUTABLE}")
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endif()
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function(create_slang_shader_target TARGET SOURCE_DIR OUTPUT_DIR)
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file(MAKE_DIRECTORY ${OUTPUT_DIR})
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message(STATUS "Shader output directory: ${OUTPUT_DIR}")
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file(GLOB SHADER_FILES "${SOURCE_DIR}/*.slang")
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message(STATUS "Found shaders: ${SHADER_FILES}")
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set(ENTRY_POINTS -entry vertMain -entry fragMain)
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set(OUTPUT_FILES "")
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foreach(SHADER_FILE ${SHADER_FILES})
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get_filename_component(SHADER_NAME ${SHADER_FILE} NAME_WE)
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set(OUTPUT_FILE "${OUTPUT_DIR}/${SHADER_NAME}.spv")
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list(APPEND OUTPUT_FILES ${OUTPUT_FILE})
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message(STATUS "Compiling ${SHADER_FILE} to ${OUTPUT_FILE}")
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add_custom_command(
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OUTPUT ${OUTPUT_FILE}
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COMMAND ${SLANGC_EXECUTABLE} ${SHADER_FILE} -target spirv -profile spirv_1_4 -emit-spirv-directly -fvk-use-entrypoint-name ${ENTRY_POINTS} -o ${OUTPUT_FILE}
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DEPENDS ${SHADER_FILE}
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COMMENT "Compiling ${SHADER_FILE} -> ${OUTPUT_FILE}"
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VERBATIM
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)
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endforeach()
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add_custom_target(${TARGET} ALL DEPENDS ${OUTPUT_FILES})
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endfunction()
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create_slang_shader_target(slang_shaders
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"${SHADERS_DIR}"
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"${CMAKE_CURRENT_BINARY_DIR}/${SHADERS_DIR}"
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)
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