Journal
dev-log · WIP · ship notes — not the CV
75K LOC engine
+11 dB 3DGS vs NeRF
182 MCP tools
7.1K contribs · 2026
Public journal
What I’m building, shipping, or stuck on — longer than a commit, shorter than a paper.
@qervas
· Sep 27, 2026
Shadow Map Bias as Geometric Error
@qervas
· Sep 26, 2026
Multiple Importance Sampling and the Balance Heuristic
@qervas
· Sep 25, 2026
Light Sampling and the Area Jacobian
@qervas
· Sep 22, 2026
Solid Angle and the Rendering Equation
@qervas
· Sep 20, 2026
Importance Sampling: Phong Lobe vs Cosine
@qervas
· Sep 17, 2026
Reprojection and Depth Discontinuities
@qervas
· Sep 16, 2026
Temporal Accumulate vs TAA Ghosting
@qervas
· Sep 16, 2026
Tone Mapping: Scene-Referred to Display-Referred
@qervas
· Sep 15, 2026
Split-Sum Image-Based Lighting
@qervas
· Sep 14, 2026
Parallax Occlusion Mapping: Height March, Flat Silhouette
@qervas
· Sep 13, 2026
Anisotropic Footprints: Jacobian, Ellipse, Over-Blur
@qervas
· Sep 11, 2026
How a mipmap presents in the scene