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omar
9c8671e7b0
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4 years ago | |
|---|---|---|
| .. | ||
| README.md | 4 years ago | |
| example_allegro5.vcxproj | 4 years ago | |
| example_allegro5.vcxproj.filters | 4 years ago | |
| imconfig_allegro5.h | 7 years ago | |
| main.cpp | 4 years ago | |
README.md
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 dear 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 backend 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+ and macOS
g++ -DIMGUI_USER_CONFIG=\"examples/example_allegro5/imconfig_allegro5.h\" -I .. -I ../.. main.cpp ../../backends/imgui_impl_allegro5.cpp ../../imgui*.cpp -lallegro -lallegro_main -lallegro_primitives -o allegro5_example
On macOS, install Allegro with homebrew: brew install allegro.
On Windows with Visual Studio's CLI
You may install Allegro using vcpkg:
git clone https://github.com/Microsoft/vcpkg
cd vcpkg
.\bootstrap-vcpkg.bat
.\vcpkg install allegro5
.\vcpkg integrate install ; optional, automatically register include/libs in Visual Studio
Build:
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 ..\..\backends\imgui_impl_allegro5.cpp ..\..\imgui*.cpp /link /LIBPATH:%ALLEGRODIR%\lib allegro-5.0.10-monolith-md.lib user32.lib