# ~~~
# Copyright (c) 2018 Valve Corporation
# Copyright (c) 2018 LunarG, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ~~~

# VkCube Application Bundle

set(cubepp_SRCS
    ${CMAKE_CURRENT_SOURCE_DIR}/macOS/cubepp/main.mm
    ${CMAKE_CURRENT_SOURCE_DIR}/macOS/cubepp/AppDelegate.mm
    ${CMAKE_CURRENT_SOURCE_DIR}/macOS/cubepp/DemoViewController.mm)

set(
    cubepp_HDRS ${CMAKE_CURRENT_SOURCE_DIR}/macOS/cubepp/AppDelegate.h ${CMAKE_CURRENT_SOURCE_DIR}/macOS/cubepp/DemoViewController.h
    )

set(cubepp_RESOURCES ${CMAKE_BINARY_DIR}/staging-json/MoltenVK_icd.json
    ${CMAKE_CURRENT_SOURCE_DIR}/macOS/cubepp/Resources/VulkanIcon.icns)

# Have Xcode handle the Storyboard
if(${CMAKE_GENERATOR} MATCHES "^Xcode.*")
    set(cubepp_RESOURCES ${cubepp_RESOURCES} ${CMAKE_CURRENT_SOURCE_DIR}/macOS/cubepp/Resources/Main.storyboard)
endif()

add_executable(vkcubepp MACOSX_BUNDLE ${cubepp_SRCS} ${cubepp_HDRS} ${cubepp_RESOURCES} cube.vert.inc cube.frag.inc)

# Handle the Storyboard ourselves
if(NOT ${CMAKE_GENERATOR} MATCHES "^Xcode.*")
    # Compile the storyboard file with the ibtool.
    add_custom_command(TARGET vkcubepp POST_BUILD
                       COMMAND ${IBTOOL}
                               --errors
                               --warnings
                               --notices
                               --output-format human-readable-text
                               --compile ${CMAKE_CURRENT_BINARY_DIR}/vkcubepp.app/Contents/Resources/Main.storyboardc
                                         ${CMAKE_CURRENT_SOURCE_DIR}/macOS/cubepp/Resources/Main.storyboard
                       COMMENT "Compiling storyboard")
endif()

add_dependencies(vkcubepp MoltenVK_icd-staging-json)

# Include demo source code dir because the MacOS vkcubepp's Objective-C source includes the "original" vkcubepp application C++ source
# code. Also include the MoltenVK helper files.
target_include_directories(vkcubepp PRIVATE ${CMAKE_CURRENT_SOURCE_DIR} ${MOLTENVK_DIR}/MoltenVK/include)

# We do this so vulkaninfo is linked to an individual library and NOT a framework.
target_link_libraries(vkcubepp ${Vulkan_LIBRARY} "-framework Cocoa -framework QuartzCore")

set_target_properties(vkcubepp PROPERTIES MACOSX_BUNDLE_INFO_PLIST ${CMAKE_CURRENT_SOURCE_DIR}/macOS/cubepp/Info.plist)

# The RESOURCE target property cannot be used in conjunction with the MACOSX_PACKAGE_LOCATION property.  We need fine-grained
# control over the Resource directory, so we have to specify the destination of all the resource files on a per-destination-
# directory basis. If all the files went into the top-level Resource directory, then we could simply set the RESOURCE property to a
# list of all the resource files.
set_source_files_properties(${cubepp_RESOURCES} PROPERTIES MACOSX_PACKAGE_LOCATION "Resources")
set_source_files_properties("${CMAKE_BINARY_DIR}/staging-json/MoltenVK_icd.json"
                            PROPERTIES
                            MACOSX_PACKAGE_LOCATION
                            "Resources/vulkan/icd.d")

# Copy the MoltenVK lib into the bundle.
if(${CMAKE_GENERATOR} MATCHES "^Xcode.*")
    add_custom_command(TARGET vkcubepp POST_BUILD
                       COMMAND ${CMAKE_COMMAND} -E copy "${MOLTENVK_DIR}/MoltenVK/dylib/macOS/libMoltenVK.dylib"
                               ${CMAKE_CURRENT_BINARY_DIR}/$<CONFIG>/vkcubepp.app/Contents/Frameworks/libMoltenVK.dylib
                       DEPENDS vulkan)
else()
    add_custom_command(TARGET vkcubepp POST_BUILD
                       COMMAND ${CMAKE_COMMAND} -E copy "${MOLTENVK_DIR}/MoltenVK/dylib/macOS/libMoltenVK.dylib"
                               ${CMAKE_CURRENT_BINARY_DIR}/vkcubepp.app/Contents/Frameworks/libMoltenVK.dylib
                       DEPENDS vulkan)
endif()