81 lines
2.5 KiB
CMake
81 lines
2.5 KiB
CMake
# Copyright 2020 Andreas Atteneder
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# SPDX-License-Identifier: Apache-2.0
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function(compile_shader shader_target shader_name shader_src_path shader_path)
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set(vert_name "${shader_name}.vert")
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set(vert2spirv_in "${shader_src_path}/${vert_name}")
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set(vert2spirv_out "${CMAKE_CURRENT_BINARY_DIR}/${shader_path}/${vert_name}.spv")
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add_custom_command(OUTPUT
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${vert2spirv_out}
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COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_CURRENT_BINARY_DIR}/${shader_path}
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COMMAND glslc "-fshader-stage=vertex" -o "${vert2spirv_out}" "${vert2spirv_in}"
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DEPENDS ${vert2spirv_in}
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WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
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COMMENT "Compiling ${vert_name}."
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VERBATIM
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)
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set(frag_name "${shader_name}.frag")
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set(frag2spirv_in "${shader_src_path}/${frag_name}")
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set(frag2spirv_out "${CMAKE_CURRENT_BINARY_DIR}/${shader_path}/${frag_name}.spv")
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add_custom_command(OUTPUT
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${frag2spirv_out}
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COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_CURRENT_BINARY_DIR}/${shader_path}
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COMMAND glslc "-fshader-stage=fragment" -o "${frag2spirv_out}" "${frag2spirv_in}"
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DEPENDS ${frag2spirv_in}
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WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
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COMMENT "Compiling ${frag_name}."
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VERBATIM
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)
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add_custom_target(
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${shader_target}
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DEPENDS
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${vert2spirv_out}
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${frag2spirv_out}
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SOURCES
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${vert2spirv_in}
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${frag2spirv_in}
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)
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set_target_properties(${shader_target} PROPERTIES EXCLUDE_FROM_ALL "FALSE")
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set(SHADER_SOURCES ${SHADER_SOURCES} ${frag2spirv_out} ${vert2spirv_out} PARENT_SCOPE)
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endfunction(compile_shader)
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function(compile_shader_list shader_target shader_src_path shader_path)
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foreach(shader ${ARGN})
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set(spirv_in "${shader_src_path}/${shader}")
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set(spirv_out "${CMAKE_CURRENT_BINARY_DIR}/${shader_path}/${shader}.spv")
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add_custom_command(OUTPUT
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${spirv_out}
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COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_CURRENT_BINARY_DIR}/${shader_path}
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COMMAND glslc -o "${spirv_out}" "${spirv_in}"
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DEPENDS ${spirv_in}
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WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
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COMMENT "Compiling ${shader}."
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VERBATIM
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)
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list(APPEND inputs ${spirv_in})
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list(APPEND outputs ${spirv_out})
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endforeach()
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add_custom_target(
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${shader_target}
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DEPENDS ${outputs}
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SOURCES ${inputs}
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)
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set_target_properties(${shader_target} PROPERTIES EXCLUDE_FROM_ALL "FALSE")
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set(SHADER_SOURCES ${SHADER_SOURCES} ${outputs} PARENT_SCOPE)
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endfunction()
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