NyuziProcessor
FPGA_DisplayPort
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| NyuziProcessor | FPGA_DisplayPort | |
|---|---|---|
| 10 | 3 | |
| 1,916 | 268 | |
| - | - | |
| 3.4 | 10.0 | |
| 3 days ago | almost 8 years ago | |
| C | VHDL | |
| Apache License 2.0 | MIT License |
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NyuziProcessor
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Tiny GPU: A minimal GPU implementation in Verilog
Nice! I warmly encourage open-core GPU work.
Here's another: https://github.com/jbush001/NyuziProcessor
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FuryGpu – Custom PCIe FPGA GPU
There's also Nyuzi which is more GPGPU focused https://github.com/jbush001/NyuziProcessor, but the author also experimented with having it do 3D graphics.
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The WeeCee – Tiny Vortex86-Based DOS Gaming PC
You could probably layer a software implementation of the rasterization pipeline on top of a compute-focused open-source GPU architecture like Nyuzi: https://github.com/jbush001/NyuziProcessor/
I would expect a 2x slowdown over hardware rasterization, based on NVIDIA's work on such an approach, but this is probably fine if you're just trying to match Voodoo3 performance. And one could imagine bolting a minimal hardware rasterizer on top of Nyuzi to speed things up once the software implementation is working.
- FPGA as a GPU for Linux
- Nyuzi – An Experimental Open-Source FPGA GPGPU Processor
- An Experimental (Open-Source FPGA) GPGPU Processor called Nyuzi (by @jbush001)
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Exploring RustFFT's SIMD Architecture
Sounds like the Nyuzi processor :D
FPGA_DisplayPort
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FuryGpu – Custom PCIe FPGA GPU
There is an open-source DisplayPort transmitter [1] that apparently supports multiple 2.7 Gbps lanes (albeit using family-specific SERDES/differential transceiver blocks, but I doubt that's avoidable at these speeds). This isn't PCIe, but it's also surprisingly close to PCIe 1.0 (2.5 Gbps/lane, and IIRC they use the same 8b/10b code and scrambling algorithm).
[1] https://github.com/hamsternz/FPGA_DisplayPort
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Thunderbolt 4 display converter — 1x 4-lane HBR2/DSC in, 2x 4-lane HBR2 out…dumb hobby project, what do you think?
I have quite a bit of experience working with DisplayPort on both FPGAs and ASICs, and I can tell you this: creating a very basic DisplayPort RX or TX in Verilog is an advanced project. There is some IP (see here), but that doesn't come close to covering your needs.
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FPGA for graphics processing?
It depends on what kind of processing but there's some basic hdmi and display port input and decoding examples https://github.com/hamsternz/FPGA_DisplayPort
What are some alternatives?
vdpau-va-driver-vp9 - Experimental VP9 codec support for vdpau-va-driver (NVIDIA VDPAU-VAAPI wrapper) and chromium-vaapi
gplgpu - GPL v3 2D/3D graphics engine in verilog
openvga
TrellisBoard - Ultimate ECP5 development board
hardware - Verilog development and verification project for HOL4
ao486_MiSTer - ao486 port for MiSTer
OpenSimplex2 - C implementation for CPU and GPU of OpenSimplex 2
JuicyPixels-stbir - Interface to STB Image Resize for the Haskell image library JuicyPixels
SummerCart64 - SummerCart64 - a fully open source Nintendo 64 flashcart
RISCV - A Pipelined RISC-V RV32I Core in Verilog [Moved to: https://github.com/georgeyhere/Toast-RV32i]
catboost - A fast, scalable, high performance Gradient Boosting on Decision Trees library, used for ranking, classification, regression and other machine learning tasks for Python, R, Java, C++. Supports computation on CPU and GPU.
KinnowCPU - CPU implementing the Limn2600 architecture.