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CNA Samples

C++ ports of the official Microsoft XNA Game Studio 4.0 sample collection, running on CNA — a C++ reimplementation of the XNA 4.0 programming model built on SDL3.

Prerequisites

Tool Version
CMake ≥ 3.20
C++ compiler C++23 (GCC 13+, Clang 16+, MSVC 19.38+)
CNA sibling directory ../cna
sharp-runtime sibling directory ../sharp-runtime

Clone all three side-by-side:

openeggbert/
├── cna/
├── sharp-runtime/
└── cna-samples/       ← this repo

Building

cmake -B build -DCMAKE_BUILD_TYPE=Debug -DCNA_SAMPLES_ONLY=PrimitivesSample
cmake --build build --target PrimitivesSample_cna_samples

Run a sample:

./build/samples/PrimitivesSample/PrimitivesSample_cna_samples

For a statically hostable WebGL 2 bundle, configure with Emscripten and Release mode. Browser threads are disabled by default; pass -DCNA_SAMPLES_ENABLE_EMSCRIPTEN_THREADS=ON only for a sample that genuinely uses System.Threading and will be served with COOP/COEP headers.

Samples

See plan.md for the full inventory and migration roadmap.

License

Microsoft Permissive License (Ms-PL) — see LICENSE. Derived from the XNA Game Studio 4.0 sample collection © Microsoft Corporation.