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diff --git a/3rdparty/imgui/examples/example_allegro5/README.md b/3rdparty/imgui/examples/example_allegro5/README.md new file mode 100644 index 00000000..5fdcc504 --- /dev/null +++ b/3rdparty/imgui/examples/example_allegro5/README.md @@ -0,0 +1,23 @@ + +# Configuration + +Dear ImGui outputs 16-bit vertex indices by default. +Allegro doesn't support them natively, so we have two solutions: convert the indices manually in imgui_impl_allegro5.cpp, or compile imgui with 32-bit indices. +You can either modify imconfig.h that comes with Dear ImGui (easier), or set a C++ preprocessor option IMGUI_USER_CONFIG to find to a filename. +We are providing `imconfig_allegro5.h` that enables 32-bit indices. +Note that the back-end supports _BOTH_ 16-bit and 32-bit indices, but 32-bit indices will be slightly faster as they won't require a manual conversion. + +# How to Build + +- On Ubuntu 14.04+ + +```bash +g++ -DIMGUI_USER_CONFIG=\"examples/example_allegro5/imconfig_allegro5.h\" -I .. -I ../.. main.cpp ..\imgui_impl_allegro5.cpp ../../imgui*.cpp -lallegro -lallegro_primitives -o allegro5_example +``` + +- On Windows with Visual Studio's CLI + +``` +set ALLEGRODIR=path_to_your_allegro5_folder +cl /Zi /MD /I %ALLEGRODIR%\include /DIMGUI_USER_CONFIG=\"examples/example_allegro5/imconfig_allegro5.h\" /I .. /I ..\.. main.cpp ..\imgui_impl_allegro5.cpp ..\..\imgui*.cpp /link /LIBPATH:%ALLEGRODIR%\lib allegro-5.0.10-monolith-md.lib user32.lib +``` |