February 21, 2021
Bilinear down/upsampling, aligning pixel grids, and that infamous GPU half pixel offset
- the article shows a few ways of doing bilinear upsampling and downsampling
- explains why it’s essential to follow the same convention everywhere and verify that no unintended shi…
January 31, 2021
Improved Shader and Texture Level of Detail Using Ray Cones
- the paper introduces a new method for Mip level selection, including anisotropic filtering in a raytracer
- presented technique is not based on screen space derivatives
- extends the technique to apply to textures w…
January 24, 2021
A Failed Adventure in Avoiding Temporal Anti-Aliasing
- the author provides an overview of anti-aliasing solutions
- what problems temporal techniques have, look at alternative solutions
- and experience trying to avoid using temporal techniques in a game production
January 17, 2021
RenderDoc ‘Ref All Resources’ + Vulkan + Memory Aliasing = Beware
- the post shows how aliased resources can cause problems when doing render doc captures
- aliased textures that are captured might need barrier transitions, which can corrupt other textures in the sa…
January 10, 2021
Rendering a Sphere on a Quad
- the article explains in detail how to render a raytraced sphere that interacts with other parts of the Unity rendering pipeline
- covers how to use a billboard to render there sphere, explaining how to calculate an optimal camera facing quad an…
January 03, 2021
[video] How to texture a procedural object
- the video tutorial explains the fundamentals of texture mapping in ShaderToy
- describes how to apply a texture map to a 3D cube, sphere using tri-planar mapping
- additionally describes how to animate a second texture set onto a sp…
December 27, 2020
Why are video games graphics (still) a challenge? Productionizing rendering algorithms
- the article provides an overview of considerations when developing a graphics technique for video games
- presents how game design, workflow, performance, artist controllability, &hellip…
December 20, 2020
Hallucinations re: the rendering of Cyberpunk 2077
- the article presents a breakdown of a Cyberpunk 2077 frame
- looking at the different passes that create the final image, what techniques are employed
- how the gbuffer is structured, volumetrics, decals, culling ….
December 13, 2020
Cameras and Lenses
- the article gives an understanding of how different types of camera and lenses work
- provides many interactive examples that explain the various elements, aspects and how they interact
December 06, 2020
Black skin in your stylized dimly-lit video game
- The article presents how important reflectivity of Black skin is for believable results
- it shows how to adjust textures and the Unity PBR shaders (specular workflow) to decouple specular color from the glossiness
November 29, 2020
[video] Painting a Selfie Girl, with Maths
- the video presents an in-depth walkthrough that shows how to use signed distance fields (SDF) to create an animated girl
- explains all used primitives as SDW, how they are combined, and the lighting implementation
- implementation …
November 15, 2020
CasCmdLine - Few Technical Details
- brief article that shows how to create a D3D11 device without a window
- presents that the FXC compiler can export compiled shader to a C compatible header
November 08, 2020
Generating meshes procedurally in Unity
- the post explains how to generate a procedural mesh
- describes how to approach the development of an algorithm, provides a list of common mistakes
- lists advice on how to debug procedural mesh generation issues
November 01, 2020
Adding support for two-level acceleration for raytracing
- the second part of the blog post series covering raytracing implementation with compute shaders presents the results of splitting the acceleration structure into two levels
- presents an overview of the implementatio…
October 25, 2020
Screen Space Reflections in Blightbound
- the articles explains the pitfalls encountered when implementing Screen Space reflections
- discusses special cases for a 2D game and presents what fallback options have been used if the information is not available
October 18, 2020
GPU-Motunui
- the post explains the implementation of a path tracer that enables the rendering of the Disney Moana island dataset on an RTX 2070
- provides an overview of the memory management strategies and scene splitting
October 04, 2020
[video] Beautiful Results From 30 Years Of Light Transport Simulation!
- the video shows the history of light transport techniques and presents how they perform in complex test cases
- leading up to “Specular Manifold Sampling for Rendering High-Frequency Caustics and …
October 04, 2020
[video] Beautiful Results From 30 Years Of Light Transport Simulation!
- the video shows the history of light transport techniques and presents how they perform in complex test cases
- leading up to “Specular Manifold Sampling for Rendering High-Frequency Caustics and …
September 27, 2020
Porting detroit: become human from playstation® 4 to pc – part 1
- the post explains the experiences on porting the game from PS4 to PC using Vulkan
- part 1 of 3 focuses on optimize shader pipeline compilation and descriptor allocation
- the descriptor allocation is based ar…
September 20, 2020
The Last of Us Part II, material blending, the SDF of a plane.
- the video tutorial explains how to implement a rust effect on objects that intersect with a water plane
- describes how to calculate the distance between a point and a plane
- implemented using the Godot engine
September 13, 2020
Continuous Multiple Importance Sampling (SIGGRAPH 2020 Presentation)
- the video provides a great explanation of Monte Carlo integration importance sampling
- presents how to generalize MIS to a from distinct techniques to a continuum of techniques
- shows how to use the metho…
September 06, 2020
Variable Rate Shading: first impressions
- the blog post provides an overview of VRS modes, presents some possible use cases and performance numbers from the first tests in Wicket Engine
August 30, 2020
SIGGRAPH 2020 Course: Physically Based Shading in Theory and Practice
- slides and videos for all course talks are available
- covering Fresnel modeling, MaterialX, Material Composition, Atmospheres system, and Anisotropic shading
August 23, 2020
Or, "How I turned my side project into a paper at a top graphics conference"
- the article presents a walkthrough and experiences of getting a paper included in Siggraph 2020
August 16, 2020
Best Practices: Using NVIDIA RTX Ray Tracing
- the article provides an extensive list of best practices for DXR usage
- covers acceleration structures, GPU utilization, memory allocations, handling of non-opaque geometries, binding, performance and pipeline state best practi…
August 09, 2020
LunarG Releases Enhanced Vulkan Configurator in new SDKs
- Vulkan SDK release contains a graphics vkconfig tool to allow users to configure layer settings
- can be enabled to control which layers are active, filter error messages, etc
- the SDK now also contains Vulkan Synchro…
August 02, 2020
Reverse engineering the rendering of The Witcher 3, part 20 - light shafts
- the in-depth article presents how the light shafts in The Witcher 3 have been implemented
- explains how a radial blur can be applied and provides a shadertoy to showcase the example implementation …
July 26, 2020
Vulkan synchronisation and graphics-compute-graphics hazards: Part I
- the article presents an overview of Vulkan barriers and shows how different barriers influence a PowerVR chip’s ability to overlap work
July 19, 2020
Optimizing Compute Shaders for L2 Locality using Thread-Group ID Swizzling
- the article shows how to improve performance of fullscreen compute shader passes by tiling thread workloads to take advantage of memory locality
- test cases show an example improvement of 1.47x on …
July 12, 2020
WWDC20 - What's new in Metal and the Apple GPU
- the article summaries the changes announced at WWDC
- Apple will transition from Intel CPUs / GPUs to custom hardware
- the article shows an architecture overview, best performance practices, new hardware, and API features
- inclu…
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