cmake_minimum_required(VERSION 3.0)
SET(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS TRUE)

project(GLSLCompiler)

include("system_bit.cmake")
include("output_path.cmake")

option(USE_PRIVATE_SPIRV_CROSS  "Use private SPIRV-Cross" OFF)

IF(USE_PRIVATE_SPIRV_CROSS)

    include("FindVulkan.cmake")
    include_directories(${Vulkan_INCLUDE_DIRS})
    link_directories(${Vulkan_LIBRARIES_DIR})
    
ELSE()
    if(MSVC)
        SET(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} /MTd")
        SET(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /MTd")

        SET(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} /MT")
        SET(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /MT")
        
        add_definitions(-D_CRT_SECURE_NO_WARNINGS)
    endif()

    add_subdirectory(SPIRV-Cross)
    add_subdirectory(SPIRV-Cross/external/glslang)
    add_subdirectory(SPIRV-Cross/external/spirv-tools)

    include_directories(SPIRV-Cross/external)
ENDIF()

set(VULKAN_SPIRV_LIBS   GenericCodeGen
                        glslang
                        MachineIndependent
                        OGLCompiler
                        OSDependent
                        SPIRV
                        SPIRV-Tools
                        SPIRV-Tools-opt
                        spirv-cross-core)

add_library(GLSLCompiler SHARED glsl2spv.cpp VKShaderParse.h)

target_link_libraries(GLSLCompiler PRIVATE ${VULKAN_SPIRV_LIBS})

add_library(GLSLCompilerStatic STATIC glsl2spv.cpp VKShaderParse.h)

target_link_libraries(GLSLCompilerStatic PRIVATE ${VULKAN_SPIRV_LIBS})