# ~~~
# 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(cube_SRCS
    ${CMAKE_CURRENT_SOURCE_DIR}/macOS/cube/main.m
    ${CMAKE_CURRENT_SOURCE_DIR}/macOS/cube/AppDelegate.m
    ${CMAKE_CURRENT_SOURCE_DIR}/macOS/cube/DemoViewController.m)

set(cube_HDRS ${CMAKE_CURRENT_SOURCE_DIR}/macOS/cube/AppDelegate.h ${CMAKE_CURRENT_SOURCE_DIR}/macOS/cube/DemoViewController.h)

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

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

add_executable(vkcube MACOSX_BUNDLE ${cube_SRCS} ${cube_HDRS} ${cube_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 vkcube POST_BUILD
                       COMMAND ${IBTOOL}
                               --errors
                               --warnings
                               --notices
                               --output-format human-readable-text
                               --compile ${CMAKE_CURRENT_BINARY_DIR}/vkcube.app/Contents/Resources/Main.storyboardc
                                         ${CMAKE_CURRENT_SOURCE_DIR}/macOS/cube/Resources/Main.storyboard
                       COMMENT "Compiling storyboard")
endif()

add_dependencies(vkcube MoltenVK_icd-staging-json)

# Include demo source code dir because the MacOS cube's Objective-C source includes the "original" cube application C source code.
# Also include the MoltenVK helper files.
target_include_directories(vkcube 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(vkcube ${Vulkan_LIBRARY} "-framework Cocoa -framework QuartzCore")

set_target_properties(vkcube PROPERTIES MACOSX_BUNDLE_INFO_PLIST ${CMAKE_CURRENT_SOURCE_DIR}/macOS/cube/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(${cube_RESOURCES} PROPERTIES MACOSX_PACKAGE_LOCATION "Resources")
set_source_files_properties("${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 vkcube POST_BUILD
                       COMMAND ${CMAKE_COMMAND} -E copy "${MOLTENVK_DIR}/MoltenVK/dylib/macOS/libMoltenVK.dylib"
                               ${CMAKE_CURRENT_BINARY_DIR}/$<CONFIG>/vkcube.app/Contents/Frameworks/libMoltenVK.dylib
                       DEPENDS vulkan)
else()
    add_custom_command(TARGET vkcube POST_BUILD
                       COMMAND ${CMAKE_COMMAND} -E copy "${MOLTENVK_DIR}/MoltenVK/dylib/macOS/libMoltenVK.dylib"
                               ${CMAKE_CURRENT_BINARY_DIR}/vkcube.app/Contents/Frameworks/libMoltenVK.dylib
                       DEPENDS vulkan)
endif()