Sampling projected spherical caps with multiple importance sampling

• explains how to combine sampling of projected spherical caps and multiple importance sampling
• source code provided

Technically Art: Issue 22 (14.06.2019)

• collection of VFX tweets of the week
• tutorials, demos, and showcases of great looking effects

Alpha compositing, OpenGL blending and premultiplied alpha

• an updated article explaining color blending with OpenGL
• how the blend operators work and what premultiplied alpha is

RDNA - new AMD GPU architecture

• hardware overview of the new architecture for AMD GPUs
• now uses 32 or 64 waves wide operations
• unified cache hierarchy including compression for all stages

Introducing Metal 3

• the article shows what changes have been introduced with Metal 3
• including metal support for the simulator
• cleaned up feature levels into families

What’s New in Metal (2019)

• the article shows what changes have been introduced with Metal 3
• covers additional details compared to the previous article

RTX Beyond Ray Tracing: Exploring the Use of Hardware Ray Tracing Cores for Tet-Mesh Point Location

• the paper investigates using the raytracing hardware support added in Turing GPUs to accelerate other tasks
• uses the hardware to detect in which tetrahedral mesh a point is located
• can achieve better performance than pure CUDA implementation

Dissecting A Plague Tale: Innocence

• breakdown of two frames in the game
• very little instancing
• all render targets are manually packed into 32-bit formats
• rats use a 4 level LOD system, and only the last level is instanced