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CPU-RTRM

CPU Real-Time Raymarcher is a renderer based on raymarching distance-fields. It runs exclusively on CPU at interactive frame-rates for relatively simple scenes.

It was a project to learn about SIMD, cache-friendly programming and profiling/optimization.

Demo video: https://youtu.be/sUoEbEefhfQ

Details

  • Developed with C++.
  • Raymarching based on sphere tracing.
  • Architecture built around SIMD capabilities, using packs of rays. Supports SSE and AVX.
  • Naive multi-threading for the extra speed boost.
  • Implementation of Blinn-Phong lighting, Ambient Occlusion and fog.

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CPU Real-Time Raymarcher written in C++ built around SIMD capabilities.

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