cmake_minimum_required(VERSION 3.16)
project(vkcv_shader_compiler)

# setting c++ standard for the module
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

set(vkcv_shader_compiler_source ${PROJECT_SOURCE_DIR}/src)
set(vkcv_shader_compiler_include ${PROJECT_SOURCE_DIR}/include)

# Add source and header files to the module
set(vkcv_shader_compiler_sources
		${vkcv_shader_compiler_include}/vkcv/shader/Compiler.hpp
		${vkcv_shader_compiler_source}/vkcv/shader/Compiler.cpp
		
		${vkcv_shader_compiler_include}/vkcv/shader/GlslangCompiler.hpp
		${vkcv_shader_compiler_source}/vkcv/shader/GlslangCompiler.cpp
		
		${vkcv_shader_compiler_include}/vkcv/shader/GLSLCompiler.hpp
		${vkcv_shader_compiler_source}/vkcv/shader/GLSLCompiler.cpp
		
		${vkcv_shader_compiler_include}/vkcv/shader/HLSLCompiler.hpp
		${vkcv_shader_compiler_source}/vkcv/shader/HLSLCompiler.cpp

		${vkcv_shader_compiler_include}/vkcv/shader/ShadyCompiler.hpp
		${vkcv_shader_compiler_source}/vkcv/shader/ShadyCompiler.cpp

		${vkcv_shader_compiler_include}/vkcv/shader/SlimCompiler.hpp
		${vkcv_shader_compiler_source}/vkcv/shader/SlimCompiler.cpp

		${vkcv_shader_compiler_include}/vkcv/shader/LLVMCompiler.hpp
		${vkcv_shader_compiler_source}/vkcv/shader/LLVMCompiler.cpp

		${vkcv_shader_compiler_include}/vkcv/shader/SlangCompiler.hpp
		${vkcv_shader_compiler_source}/vkcv/shader/SlangCompiler.cpp
)

filter_headers(vkcv_shader_compiler_sources ${vkcv_shader_compiler_include} vkcv_shader_compiler_headers)

# adding source files to the module
add_library(vkcv_shader_compiler ${vkcv_build_attribute} ${vkcv_shader_compiler_sources})
set_target_properties(vkcv_shader_compiler PROPERTIES PUBLIC_HEADER "${vkcv_shader_compiler_headers}")

# Setup some path variables to load libraries
set(vkcv_shader_compiler_lib lib)
set(vkcv_shader_compiler_lib_path ${PROJECT_SOURCE_DIR}/${vkcv_shader_compiler_lib})

# Load JSON-C and SPIRV-Headers
include(config/JSON-C.cmake)
include(config/SPIRV-Headers.cmake)

# Check and load GLSLANG
include(config/GLSLANG.cmake)

# Check and load Shady (with murmur3)
include(config/Murmur3.cmake)
include(config/Shady.cmake)

# Check and load SLANG
include(config/MINIZ.cmake)
include(config/LZ4.cmake)
include(config/UNORDERED_DENSE.cmake)
include(config/SLANG.cmake)

# link the required libraries to the module
target_link_libraries(vkcv_shader_compiler ${vkcv_shader_compiler_libraries} vkcv)

# including headers of dependencies and the VkCV framework
target_include_directories(vkcv_shader_compiler SYSTEM BEFORE PRIVATE ${vkcv_shader_compiler_includes} ${vkcv_include} ${vkcv_includes})

# add the own include directory for public headers
target_include_directories(vkcv_shader_compiler BEFORE PUBLIC ${vkcv_shader_compiler_include})

if (vkcv_parent_scope)
	list(APPEND vkcv_modules_includes ${vkcv_shader_compiler_include})
	list(APPEND vkcv_modules_libraries vkcv_shader_compiler)
	
	set(vkcv_modules_includes ${vkcv_modules_includes} PARENT_SCOPE)
	set(vkcv_modules_libraries ${vkcv_modules_libraries} PARENT_SCOPE)
endif()

install(TARGETS vkcv_shader_compiler PUBLIC_HEADER DESTINATION
		${CMAKE_INSTALL_INCLUDEDIR}/vkcv/shader)