Pseudo-bandlimited pixel art filtering in 3D – a mathematical derivation

• presents a filtering approach for a pixel art style in a 3D environment
• discussion of filtering theory and derivation of a filter for real-time use
• provides GLSL implementation of the filter

Spotlight Team Best Practices: Setting up the Lighting Pipeline

• in-depth documentation for unity
• explains the most common terms, the difference between the rendering pipelines with strengths and weaknesses
• explains the difference between global illumination systems and light modes
• provides 4 example scenarios that show how the desired game influences the decisions

Real-Time Ray Tracing of Correct* Soft Shadows

• shows how to reformulate the rendering equation so that stochastic shadows can be combined with non-stochastic shading
• explains how to denoise the stochastic shadows
• shows results and discusses the performance of the approach

API without Secrets: The Practical Approach to Vulkan* Preface

• start of a new Intel series about Vulkan
• the focus is on the high-level usage and will be comparing different approaches to common problems
• walkthrough of the structure of the series and how the sample code will be structured

API without Secrets: The Practical Approach to Vulkan* - Part 1

• investigates the performance effect of different acquire → render → present approaches
• shows visually why two sets of frame resources are required to utilize the available hardware efficiently
• the sample allows experimentations with different scene complexities and CPU workloads

Device Memory Management

• explains the strategy how GPU memory is currently managed and what allocation strategy is used
• shows a visual representation of allocator usage and discusses the weaknesses of the current approach, pointing to possible future improvements

Animated Candle Flame write-up

• tutorial on how to implement a candle flame using 3 separate texture channels and noise distortion using unity

Reverse engineering the rendering of The Witcher 3, part 5 - drunk effect

• discusses how the drunk effect in “The Witcher 3” was implemented based on reverse engineering the D3D11 shader disassembly
• provides the reverse engineered HLSL source code

hacking a generic ray-triangle intersector

• reusing a generic ray-triangle intersection for other calculations such as calculating the distance from a ray to a curve segment

Looking Through Water Underwater

• unity tutorial that extends water with flow map (previous part of the series) to support transparent water rendering
• apply underwater fog and approximation of refractions

Large scale ambient occlusion: introduction

• overview how the large-scale ambient occlusion data is baked for Homefront: The Revolution
• implemented using rasterization with an orthographic projection and per-pixel linked lists
• runtime information stored in regularly spaced cells

Baking artifact-free lightmaps on the GPU

• article discussing what is required to achieve high-quality lightmaps
• UV space rasterization, using a UV G-buffer to collect necessary information to trace rays
• dealing with shadow leaks and UV seams
• an algorithm to enable mipmap generation for lightmaps

Why Clip Transformed Vertices in Clip-Space?

• explains why clipping happens in 4D clip space before the perspective divide is applied

Siggraph 2018: A developer’s viewpoint

• blender developers view of the technologies shown at Siggraph
• talking about USD / Hydra, MaterialX / ShaderX / OSL / Gaffer and OpenColorIO

An edited (and extended) version of my OSL BOF talk at SIGGRAPH 2018

• overview of the open shading language in 3ds Max
• how OSL was implemented into the 3ds max architecture
• discusses problems encountered and improvement possibilities for OSL

Contact-hardening Soft Shadows Made Fast

• explains what contact-hardening shadows are
• presents one technique that can be used to implement them and deal with artifacts
• discussions of a method to optimize the process by splitting the shadow mask generation into two passes
• the first pass generates the penumbra mask at a quarter resolution and the second pass generates the soft shadows, sampling from the quarter resolution penumbra mask

High-Performance Graphics 2018

• the slides for all talks from the High-Performance Graphics 2018 conference have been uploaded

Radeon GPU Profiler 1.3

• can now show register and LDS (Local data share) usage as well as theoretical occupancy
• new render target overview table, provides information about all render targets in the frame in one location
• more robust handling for applications that create multiple device contexts

GBuffer helper – Packing integer and float together

• explains how to pack an integer and a floating point number into a single unsigned render target channel
• provides source code for packing and unpacking into a variable number of available bits