Spark 1.2
I’m excited to announce that Spark 1.2 is finally out! Spark is the go-to solution for real-time GPU texture compression, offering high-performance codecs...
Category: Coding
GPU Texture Compression Everywhere
When I joined NVIDIA in 2005, one of my main goals was to work on texture and mesh processing tools. The NVIDIA Texture Tools were widely used, and Cem Cebenoya...
Tools for GPU Codec Development
I would like to share some details about the tools that I’ve built to develop the Spark codecs. When I started working on Spark I had no idea how much tim...
Crossing the Ludicon
I’m excited to announce that I’m starting my own business to research and develop graphics and game technologies, with a focus on the texture and me...
BC1 Compression Revisited
The NVIDIA Texture Tools (NVTT) had the highest quality BC1 encoder that was openly available, but the rest of the code was mediocre: The remaining encoders had...
Lightmap optimizations for iOS
One of the main challenges of porting The Witness to iOS was reducing the app memory footprint. The lightmaps that we used in the PC version simply did not fit ...
Lightmap Compression in The Witness
In my initial implementation of our lightmapping technology I simply stored lightmap textures in RGBA16F format. This produced excellent results, but at a very ...
D3DX UVAtlas released
I think it’s really awesome that Microsoft and Xin Huang released the source code of their D3DX mesh parameterization library. Chuck announced it on his b...
HLSLParser
We are using Max McGuire’s HLSLParser in The Witness and I just published all my changes in Thekla’s github repository. I also wrote some notes about our ...
Irradiance Caching – Continued
Looks like I’m getting into the habit of starting article series and abandoning them after the first installment. Where’s part 2 of the irradiance c...