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Accepting a relative path when compiling shaders to work via fetch_content

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Signed-off-by: Fabian Sauter <sauter.fabian@mailbox.org>
This commit is contained in:
Fabian Sauter 2022-06-24 09:56:22 +02:00
parent 726fae58f1
commit 6fac581fa9
1 changed files with 7 additions and 3 deletions
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10
cmake/vulkan_shader_compiler.cmake
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@ -5,10 +5,14 @@ function(vulkan_compile_shader)
return()
endif()
cmake_parse_arguments(SHADER_COMPILE "" "INFILE;OUTFILE;NAMESPACE" "" ${ARGN})
cmake_parse_arguments(SHADER_COMPILE "" "INFILE;OUTFILE;NAMESPACE;RELATIVE_PATH" "" ${ARGN})
set(SHADER_COMPILE_INFILE_FULL "${CMAKE_CURRENT_SOURCE_DIR}/${SHADER_COMPILE_INFILE}")
set(SHADER_COMPILE_SPV_FILE_FULL "${CMAKE_CURRENT_BINARY_DIR}/${SHADER_COMPILE_INFILE}.spv")
set(SHADER_COMPILE_HEADER_FILE_FULL "${CMAKE_CURRENT_BINARY_DIR}/${SHADER_COMPILE_OUTFILE}")
if(NOT SHADER_COMPILE_RELATIVE_PATH)
set(SHADER_COMPILE_RELATIVE_PATH "${PROJECT_SOURCE_DIR}/cmake")
endif()
# .comp -> .spv
add_custom_command(OUTPUT "${SHADER_COMPILE_SPV_FILE_FULL}"
@ -32,8 +36,8 @@ function(vulkan_compile_shader)
"-DHEADER_NAMESPACE=${SHADER_COMPILE_NAMESPACE}"
"-DIS_BIG_ENDIAN=${IS_BIG_ENDIAN}"
"-P"
"${PROJECT_SOURCE_DIR}/cmake/bin_file_to_header.cmake"
WORKING_DIRECTORY "${PROJECT_SOURCE_DIR}/cmake"
"${SHADER_COMPILE_RELATIVE_PATH}/bin_file_to_header.cmake"
WORKING_DIRECTORY "${SHADER_COMPILE_RELATIVE_PATH}"
COMMENT "Converting compiled shader '${SHADER_COMPILE_SPV_FILE_FULL}' to header file '${SHADER_COMPILE_HEADER_FILE_FULL}'."
MAIN_DEPENDENCY "${SHADER_COMPILE_SPV_FILE_FULL}")
endfunction()