Graphics Programming weekly - Issue 117 — February 2, 2020

Separate your filters! Separability, SVD and low-rank approximation of 2D image processing filters

• the article presents the basics of Singular Value Decomposition
• shows how to use the concept to check if filters are separable and if not how it helps with approximations

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Volumetric Clouds Resources List

• a collection of articles, presentations and other resources covering volumetric cloud rendering

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Building WebGPU with Rust

• the presentation provides an overview of the development of WebGPU
• presents a few API examples regarding how to use the API from Rust
• additionally offers a solution to prevent the spreading of generics required by the API

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2D Sprite Overlay Effects

• short Unity tutorial that shows how to use sprites to simulate screenspace effects such as distortion and color shifts

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Baked Light Light Maps and Probes

• the tutorial shows how light baking is implemented in Unity
• shows how to integrate lightmaps and light probes into a custom render pipeline
• replace the default surface model during baking with a custom model

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Optimizing Game Development with GPU Performance Events

• the article presents Do’s and Don’ts for the use of GPU performance events
• shows how to write performance event with D3D11, D3D12, Vulkan, and OpenGL

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Color Banding

• the article describes what color banding is and what causes it
• presents a demo application that shows how dithering can help to reduce banding

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World space UVs & Triplanar Mapping

• the Unity tutorial shows how WorldSpace positions can be used to texture planar object
• extends these ideas to show tri-planar mapping can be used to texture arbitary meshes

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Vulkan: Bad Practices

• the article presents several Vulkan patterns that cause reduced performance and should be avoided

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Progressive Least-Squares Encoding for Linear Bases

• the paper presents a GPU compatible algorithm for processive approximation least-square encoding into linear bases

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Thanks to Sean McAlliste for support of this series.

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