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alanjian85
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Alan Jian alanjian85

A passionate high schooler and programmer specializing in low-level fields, with a focus on computer graphics, OS development and IC design.

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  1. raster-gpu/raster-i raster-gpu/raster-i Public

    A 3D FPGA GPU for real-time rasterization with a tile-based deferred rendering (TBDR) architecture, featuring transform & lighting (T&L), back-face culling, MSAA anti-aliasing, ordered dithering, etc.

    C++ 256 15

  2. carg-os/karg carg-os/karg Public

    A POSIX RISC-V OS kernel written in C23, featuring preemptive priority scheduling, virtual memory, tiered allocators, time management, modular device drivers, with support for ELF and VirtIO-GPU.

    C 44 3

  3. prisma prisma Public

    A GPU-accelerated offline PBR path tracer that can generate photorealistic images from glTF scene descriptions using techniques such as microfacet-based BSDF models, BVH & SAH, IS, among others.

    Rust 27 1

  4. cubus cubus Public

    A voxel sandbox game with procedurally generated open world, utilizing a multi-threaded chunk mesh renderer which supports AO and shadow mapping, as well as a database to save player and world states.

    C++ 14

  5. sysprog21/rv32emu sysprog21/rv32emu Public

    Compact and Efficient RISC-V RV32I[MAFC] emulator

    C 539 139

  6. marius marius Public

    A lightweight emulator illustrating the inner workings of NES, including the 6502 CPU and PPU, with a WASM port and support of classic games like Super Mario, Donkey Kong and Pac-Man.

    C++ 19