portersky
90d013695d
- Replace window class with cbt::opengl::context - Add buffer resource (VBO, EBO, UBO, SSBO) with move semantics - Add texture resource with format/type enums and filtering - Add descriptor_set for Vulkan-style resource binding - All resources use RAII with proper cleanup
60 lines
2.3 KiB
CMake
60 lines
2.3 KiB
CMake
# ==============================================================================
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# Find imgui
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# ==============================================================================
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# Builds Dear ImGui from the bundled sources in deps/imgui/.
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#
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# Targets provided:
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# imgui::imgui - The Dear ImGui library target
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#
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# Variables set:
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# imgui_FOUND - TRUE if imgui is available
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# imgui_LIBRARIES - The imgui library target (imgui::imgui)
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# imgui_INCLUDE_DIR - Include directories for imgui
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#
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# Configuration (set before find_package):
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# IMGUI_BACKEND_PLATFORM - Platform backend (default: glfw)
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# IMGUI_BACKEND_RENDERER - Renderer backend (default: opengl3)
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# IMGUI_BUILD_DEMO - Include demo sources (default: ON)
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# ==============================================================================
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if (DEFINED _FINDIMGUI_INCLUDED)
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return()
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endif()
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set(_FINDIMGUI_INCLUDED TRUE)
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set(IMGUI_BACKEND_PLATFORM "glfw" CACHE STRING "Dear ImGui platform backend")
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set(IMGUI_BACKEND_RENDERER "opengl3" CACHE STRING "Dear ImGui renderer backend")
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option(IMGUI_BUILD_DEMO "Include Dear ImGui demo window sources" ON)
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set(_imgui_source_dir "${CMAKE_CURRENT_LIST_DIR}/imgui")
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if (NOT EXISTS "${_imgui_source_dir}/imgui.cpp")
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message(FATAL_ERROR "imgui sources not found at '${_imgui_source_dir}'")
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endif()
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# On Emscripten, GLFW is provided by compiler flags (-sUSE_GLFW=3), not a CMake target.
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# Create a stub interface target so imgui's CMakeLists skips find_package(glfw3).
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if (IS_EMSCRIPTEN AND NOT TARGET glfw)
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add_library(glfw INTERFACE)
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endif()
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add_subdirectory("${_imgui_source_dir}" "${CMAKE_BINARY_DIR}/_deps/imgui-build" EXCLUDE_FROM_ALL)
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if (NOT TARGET imgui::imgui)
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message(FATAL_ERROR "imgui: target imgui::imgui was not created")
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endif()
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set(imgui_FOUND TRUE)
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set(imgui_LIBRARIES imgui::imgui)
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get_target_property(_imgui_inc imgui INTERFACE_INCLUDE_DIRECTORIES)
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set(imgui_INCLUDE_DIR "${_imgui_inc}")
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# Mark imgui includes as SYSTEM to suppress warnings from its headers
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if (_imgui_inc AND TARGET imgui)
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set_target_properties(imgui PROPERTIES
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INTERFACE_SYSTEM_INCLUDE_DIRECTORIES "${_imgui_inc}"
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)
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endif()
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set(IMGUI_LICENSE_FILE "${_imgui_source_dir}/LICENSE.txt" CACHE FILEPATH "Path to Dear ImGui license file")
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