mirror of
https://github.com/ocornut/imgui.git
synced 2024-12-12 12:09:02 +08:00
101 lines
3.3 KiB
CMake
101 lines
3.3 KiB
CMake
# Building for desktop (WebGPU-native) with Dawn:
|
|
# 1. git clone https://github.com/google/dawn dawn
|
|
# 2. cmake -B build -DIMGUI_DAWN_DIR=dawn
|
|
# 3. cmake --build build
|
|
# The resulting binary will be found at one of the following locations:
|
|
# * build/Debug/example_glfw_wgpu[.exe]
|
|
# * build/example_glfw_wgpu[.exe]
|
|
|
|
# Building for Emscripten:
|
|
# 1. Install Emscripten SDK following the instructions: https://emscripten.org/docs/getting_started/downloads.html
|
|
# 2. Install Ninja build system
|
|
# 3. emcmake cmake -G Ninja -B build
|
|
# 3. cmake --build build
|
|
# 4. emrun build/index.html
|
|
|
|
cmake_minimum_required(VERSION 3.10.2)
|
|
project(imgui_example_glfw_wgpu C CXX)
|
|
|
|
if(NOT CMAKE_BUILD_TYPE)
|
|
set(CMAKE_BUILD_TYPE Debug CACHE STRING "" FORCE)
|
|
endif()
|
|
|
|
set(CMAKE_CXX_STANDARD 17) # Dawn requires C++17
|
|
|
|
# Dear ImGui
|
|
set(IMGUI_DIR ../../)
|
|
|
|
# Libraries
|
|
if(EMSCRIPTEN)
|
|
set(LIBRARIES glfw)
|
|
add_compile_options(-sDISABLE_EXCEPTION_CATCHING=1 -DIMGUI_DISABLE_FILE_FUNCTIONS=1)
|
|
else()
|
|
# Dawn wgpu desktop
|
|
set(DAWN_FETCH_DEPENDENCIES ON)
|
|
set(IMGUI_DAWN_DIR CACHE PATH "Path to Dawn repository")
|
|
if (NOT IMGUI_DAWN_DIR)
|
|
message(FATAL_ERROR "Please specify the Dawn repository by setting IMGUI_DAWN_DIR")
|
|
endif()
|
|
|
|
option(DAWN_FETCH_DEPENDENCIES "Use fetch_dawn_dependencies.py as an alternative to using depot_tools" ON)
|
|
|
|
# Dawn builds many things by default - disable things we don't need
|
|
option(DAWN_BUILD_SAMPLES "Enables building Dawn's samples" OFF)
|
|
option(TINT_BUILD_CMD_TOOLS "Build the Tint command line tools" OFF)
|
|
option(TINT_BUILD_DOCS "Build documentation" OFF)
|
|
option(TINT_BUILD_TESTS "Build tests" OFF)
|
|
if (NOT APPLE)
|
|
option(TINT_BUILD_MSL_WRITER "Build the MSL output writer" OFF)
|
|
endif()
|
|
if(WIN32)
|
|
option(TINT_BUILD_SPV_READER "Build the SPIR-V input reader" OFF)
|
|
option(TINT_BUILD_WGSL_READER "Build the WGSL input reader" ON)
|
|
option(TINT_BUILD_GLSL_WRITER "Build the GLSL output writer" OFF)
|
|
option(TINT_BUILD_GLSL_VALIDATOR "Build the GLSL output validator" OFF)
|
|
option(TINT_BUILD_SPV_WRITER "Build the SPIR-V output writer" OFF)
|
|
option(TINT_BUILD_WGSL_WRITER "Build the WGSL output writer" ON)
|
|
endif()
|
|
|
|
add_subdirectory("${IMGUI_DAWN_DIR}" "${CMAKE_CURRENT_BINARY_DIR}/dawn" EXCLUDE_FROM_ALL)
|
|
|
|
set(LIBRARIES webgpu_dawn webgpu_cpp webgpu_glfw glfw)
|
|
endif()
|
|
|
|
add_executable(example_glfw_wgpu
|
|
main.cpp
|
|
# backend files
|
|
${IMGUI_DIR}/backends/imgui_impl_glfw.cpp
|
|
${IMGUI_DIR}/backends/imgui_impl_wgpu.cpp
|
|
# Dear ImGui files
|
|
${IMGUI_DIR}/imgui.cpp
|
|
${IMGUI_DIR}/imgui_draw.cpp
|
|
${IMGUI_DIR}/imgui_demo.cpp
|
|
${IMGUI_DIR}/imgui_tables.cpp
|
|
${IMGUI_DIR}/imgui_widgets.cpp
|
|
)
|
|
target_include_directories(example_glfw_wgpu PUBLIC
|
|
${IMGUI_DIR}
|
|
${IMGUI_DIR}/backends
|
|
)
|
|
|
|
target_link_libraries(example_glfw_wgpu PUBLIC ${LIBRARIES})
|
|
|
|
# Emscripten settings
|
|
if(EMSCRIPTEN)
|
|
target_link_options(example_glfw_wgpu PRIVATE
|
|
"-sUSE_WEBGPU=1"
|
|
"-sUSE_GLFW=3"
|
|
"-sWASM=1"
|
|
"-sALLOW_MEMORY_GROWTH=1"
|
|
"-sNO_EXIT_RUNTIME=0"
|
|
"-sASSERTIONS=1"
|
|
"-sDISABLE_EXCEPTION_CATCHING=1"
|
|
"-sNO_FILESYSTEM=1"
|
|
)
|
|
set_target_properties(example_glfw_wgpu PROPERTIES OUTPUT_NAME "index")
|
|
# copy our custom index.html to build directory
|
|
add_custom_command(TARGET example_glfw_wgpu POST_BUILD
|
|
COMMAND ${CMAKE_COMMAND} -E copy_if_different "${CMAKE_CURRENT_LIST_DIR}/web/index.html" $<TARGET_FILE_DIR:example_glfw_wgpu>
|
|
)
|
|
endif()
|