A detailed discussion of the rendering color pipeline in Unreal Engine Explains color spaces, color encoding, and various stages of color conversion Presents post-processing effects and the importance of proper color handling
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An explanation of radiometry concepts such as Radiance, Solid angle, Irradiance, Radiant flux, and Radiant energy Ties these concepts together in the context of a renderer's camera
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A look at various techniques to generate mipmaps for vegetation textures Discusses the problem of losing coverage and shape with classical downsampling techniques Compares various techniques and suggests their pros and cons
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An overview of techniques defining a WebGPU implementation Provides a high-level overview of the shader pipeline, culling, shadow rendering, and more Discusses light implementation, skybox, screen space reflection, etc. Source code is available
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A detailed discussion on the complexity of image format loading and display Insights into the image format landscape and tone mapping HDR formats correctly Additional topics include cursor rendering and optimizations
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NVIDIA released an interactive and free course about learning OpenUSD concepts Structured into modules, the course combines written guides and video tutorials for a comprehensive learning experience. Hands-on Jupyter notebooks let you explore practical examples and deepen your understanding of key topics. Just released: Applied Concepts courses on composition arcs, asset structure principles, and data exchange pipelines
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An overview of different MSAA modes in the Metal API How to adjust the MTKView wrapper to create a memoryless MSAA target Shows the effect of this change on memory usage
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Challenges developers face when implementing DRS on PC Covers hardware and OS interaction, latency, and user input variability Briefly discusses approaches to solving these issues on PC
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Video tutorial on implementing uniform buffers in a Vulkan application Explanation based on code changes from previous iterations Shows how to use the concepts to implement a 3D flythrough camera
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Announcement of Cooperative Vector Support extensions for D3D Exposes hardware-accelerated matrix by vector operations Enables access to Tensor Cores with neural shading in new RTX50 series GPUs
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Discusses updates to the Reflex 2 system Explains how changing camera views are applied by reprojecting the camera into the new camera space Shows how unfilled areas are filled through neural reprojection techniques
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the blog post discusses a technique to use splines to drive the creation of terrain meshes including the history and a discussion of how to generate meshes from the splines additionally, present screenshots of an in-development game that uses a system based on the idea
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the article provides a look back at the development of offline rendering techniques presenting which techniques got used, how they changed over time, and when the first path tracers appeared additionally providing additional thought as to why things developed the way they did
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the project presents how to implement Material Mapping using MaterialX the included demo video shows the effect code is provided
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the blog post discusses how colorblindness affects how humans perceive colors presents a tool that aims to replicate how different limitations affect the appearance includes links to color palettes that maintain contrast for full vision and those with colorblindness
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the author presents an overview of the tools used to develop the Spark codecs discussing the importance of tooling and automation for efficient development additionally discusses how A/B testing algorithm changes are integrated into the codebase
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the video provides an overview of the various series covering shader development provides a quick overview of each of the series available on the channel additionally discusses the author's background
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the blog post provides the author's experience of working independently after leaving Roblox discusses changes to mesh optimizer, gltf-pack additionally discusses the viability of sustainable open-source development models
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the blog post discusses changes in the latest release of Pix adds support for VRS shading rate visualization, shader graph debugging, as well as improved custom shader support
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the article provides a detailed discussion of how hardware implements the UNORM/SNORM conversion rules explaining special cases and how to deal with those additionally, it presents a C++ implementation of the presented concepts
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the paper presents a model of applying motion blur to spheres in a 2.5D setting implemented by pre-generating an atlas of blurred spheres of varying radius and lighting angles and compositing these into the scene explains the implementation and limitations runnable example and source code is provided
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the blog post discusses changes done to the Disney Hyperion render since the prequel to the movie provides published research papers on the discussed techniques then presents the main challenges of the Moana 2 production and how they solved them
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the blog post discusses the difference between adjugate transpose vs inverse transpose of normals explains how it behaves on shading normals presents the visual results of different methods
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the video provides an introduction into the mathematics of importance sampling discusses how samples can approximate integrals then applies the ideas to the diffuse shading integral
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the article explains and shows how noise applied to a curve fitting application changes the results additionally presents the same in a multi-modality model using flow matching concluding that "noise cancels out, signal adds up" cannot always be relied upon anymore
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the blog post presents tools available to visualize and understand memory usage in PyTorch explains how to estimate memory usage before running a workload additionally provides a small tool to help with the estimation
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the video provides a round-table interview with two developers of the team covers which techniques are using ray-tracing implementations, how they are implemented, and what is affected most discusses trade-offs of requiring hardware support as well as next steps
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the video explains how to convert panoramic images with a 360-degree view to a cube map presents the fundamentals of the involved coordinate space conversions and related math additionally also presents how to implement the conversion using OpenGL
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the post announces that DXIL debugging and raytracing are now supported in RenderDoc shows how DXIL is integrated and existing limitations Ray tracing debugging is implemented using API debug features that are not yet implemented on all drivers additionally, it contains a long list of fixes and improvements
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the blog post provides an introduction to the path tracing lectures available from the TU Delft discussed what material is covered and the limitations additionally discusses the technology used to implement the example implementation
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the very detailed article covers the moon (physics, appearance, ...) in great detail shows curves of astronomical objects, effects of physics, projections, appearance, and much more each example is accompanied by videos or interactive explorations of the concepts
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the paper presents a reformulation of Gaussian Splatting to allow nonlinear camera projections explains the concepts of Unscented Transform and how splatting can be reformulated using the method additionally presents how the method allows the same representation to be used with raytracing implementations
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the video provides a detailed introduction to Clay, a C-based layout engine for high-performance immediate mode UI start by explaining the concepts, capabilities, and design goals presents a walkthrough on how to develop a small starter application, showing code iterations along the way all examples are accompanied by various animated visualizations
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the blog post presents the difficulty of creating microbenchmarks shows the example in a simple example by looking at the generated code at different levels of the optimization pipeline
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the blog post provides an overview of the graphics changes done to the Wicked Engine covers forward rendering, meshlet-based rendering, visibility buffers, shadow rendering, wetness, and more provides reasons, limitations, and performance numbers for the various aspects of the engine changes
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the blog post provides a detailed discussion of the adjugate matrix, an alternative form of transform for normals discusses why normals need special handling under transformation visually explains how geometric algebra allows the derivation of this behavior in a consistent framework
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the article summarizes the main concepts of D3D12 to provide a high level of understanding covers Resources, Views, Heaps, Sub resources, and different buffer types
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the paper presents an investigation into the Monte Carlo rendering method using statistical methods the proposed model does not use any pre-trained data and is instead applied at runtime presents the derivation and comparison against existing denoising models
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a paper presents a novel mesh generation model that can generate meshes with up to 64K faces from point cloud data provides an overview of autoregressive mesh generation that is the foundation of the model explains the model development process and presents the results
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the website covered a glossary of standard terms found in graphics programming in a single location broken down into Device Hardware, Device Software, and Host Software explains concepts such as Warp Scheduler, Tensor Cores, Cuda, Thread Blocks, and much more
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the video presents a look at raytracing quality in various games shows comparisons mainly focusing on shadows and reflections some of the games featured are Cyberpunk 2077, Alan Wake II and Star Wars Outlaws additionally shows the effect of denoising techniques on the quality and appearance
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the video provides a detailed walkthrough on the process of rendering water based on the results of a water particle simulation starts from an empty scene, covering mesh generation, raymarching, shading as well as interactions with the environment additionally, it presents how to render foam and bubbles to the water's surface
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the article presents an overview of different games that implement refraction into their rendering pipelines compares the different approaches, discussing advantages and disadvantages additionally presents how this interacts with anti-aliasing
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the blog post focuses on the visual side of grass rendering in Call of Duty Black Ops 4 shows different stages of the exploration and impact of the various components discusses various hacks to simulate the effect of real-life effects within the restrictions of the runtime grass
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the paper presents an image upscaler that is designed to extrapolate from color, depth, and motion vector inputs to a variable number of frames discusses the implementation of the motion estimation, background collection, adaptive rendering windows, and shading correction network modules presents performance and quality against existing techniques
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a collection of videos from the Graphics Programming Conference in Breda has been released covers a large number of topics such as Porting Games, Vulkan best practices, Shader Occupancy, Occlusion culling, and much more
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the talk presents an overview of the Gigi Platform a tool and code generation that aims to improve programmer productivity by enabling rapid authoring of shader effects shows how the tool was developed, what features it has, and what has been implemented using the platform so far
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the talk presents an overview of the rendering pipeline in Tiny Glades covers GPU-driven rendering, sky rendering, GI implementation, shadows, refractions, Depth Of Field, and more
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the blog post discusses Godot Light Shaders presents where this type slots into the pipeline and what possibilities it enables presents a walkthrough on how to implement tool shading into the Godot pipeline
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the blog post announces the release of Vulkan 1.4 increased guaranteed limits, required extensions, as well as addition presents improvements to copying data while rendering
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the article presents a walkthrough of how the author approached optimizing loading issues in Myst IV shows how he detected the bottlenecks, replaced texture loading logic contains a comparison of the performance of various image-loading libraries
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the article provides a very detailed look at how a frame in Detroit Become Human is being drawn presents insights into how the shading pipeline is implemented, details into implementation for the various resource passes, vertex formats, interactions with animations, effects implementation, etc additionally shows a flow graph of how a full frame is structured with images of the resources involved in each pass
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the example project presents an example of how to use Slang with WebGPU shows how to use CMake integration to compile shaders from slang to WGSL (WebGPU shading language) additionally shows how to use the reflection API to generate binding helpers
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In the working document, Timothy Lottes records and suggests solutions for GPU programming issues in a compute shader context covers many problematic areas, from performance hints over shader compiler improvements, caching related, buffer access patterns, and much more provides example cases that offer insights into current shortcomings, performance issues, and shader compiler bugs
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the article presents how to use RustGPU to compile a compute kernel discusses the implementation details and interactions with the ecosystem additionally presents how RustGPU enables shader logic to be run on the CPU
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the article discusses the efficient implementation of Sparse Voxel Octrees presents how to build the required tree structures and traverse the created trees additionally provides advice to improve debuggability, performance, and robustness of the initial implementation
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The article presents the new Fragment Pre-pass hardware implementation available in upcoming Arm GPUs explains how the technique works, what it enables, and what are the limitations additionally, it discusses best practices for performance and shows some performance numbers
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My list of recommendations for books Covering Computer graphics, engine design, algorithms, collision detection, as well as knowledge management contains resources for beginners as well as advanced programmers
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A summary of the chapter Differentiable Graphics with Slang.D for Appearance-Based Optimization included in GPU Zen 3 the article focuses on the practical usage of stochastic gradient descent and optimization from beginning to a working minification system for materials
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the article presents insights into how to upscale retro pixel art games for higher resolutions than the source material The suggested solution is using nearest for vertical and linear for horizontal
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the Vulkan code example presents how to use various modern Vulkan concepts to create compact sample applications presents how to use descriptor management, specialization constants, timeline semaphores, ImGui integration, etc.
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the blog provides an overview of changes to the Slang shading system ecosystem Slang is now part of Khronos and adds support for Metal and WebGPU additionally, improved type system, Unicode, as well as atomic support
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the article provides a look at various anti-aliasing techniques presents many interactive examples to demonstrate the techniques and allows experimentation with them
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the blog post announces the release of a new encode AV1 extension Vulkan Video now provides full decode AND encode acceleration for the H.264, H.265, and AV1 codec additionally presents an overview of the Encode Quantization Map extension and how it allows applications to better control the encoding quality
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the talk provides an overview of the GPU-based rendering implementation presents an overview of how the different stages of a frame are implemented covering scene representation, culling implementation, shadow rendering, mesh shading, and more additionally presents an overview of the frame performance
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the slides for a talk given at the Graphics Programming Conference 2024 have been released provides an overview of AMD hardware execution patterns, what occupancy is, and how it affects performance the slides don't have speaker notes, so following them is a bit difficult at times
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the article provides a high-level overview of how to use AMD profilers to investigate cache miss behavior explains the different available hardware counters and how to interpret the results
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the article explains the concept of in-flight frames in computer graphics applications shows how the execution pattern between CPU and GPU requires synchronization additionally discusses how it affects memory usage, latency, and execution performance
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the video explains how to set vertex buffers using Vulkan shows the implementation for allocation memory and uploading data for GPU access
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the video tutorial explains the theory behind image-based lighting presents how to implement pre-filtering for the diffuse lighting component shows many visualizations of the involved steps
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the blog post provides an overview of what has been discussed for changes to WebGPU
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the tool allows the visualization of Monte Carlo samplers many different methods can be selected allows the exploration of settings through interactive controls
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the article provides an overview of Gaussian Splatting support in V-Ray explains the technique on a high level, advantages, and limitations presents an example of how objects can be added to scanned scenes and interact with the scene around them
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the paper presents a framework for volumetric scene prefiltering and level-of-detail rendering to improve geometric fit of voxel approximations, it introduces a truncated ellipsoid primitive shows how the technique allows accurate LoD rendering closely matching the ground truth at all scales.
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keen games released a snapshot of their Vulkan Backend implementation code is not compiling as it depends on code that has not been published meant as a reference for others to see how concepts can be implemented
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the article explains the changes that have been made to the Nanite-like Virtual Geometry system for Bevy discusses software rasterization, improved LOD selection, memory reduction techniques, as well as performance optimizations provides links to the various PRs and explains these, making it easy to follow along
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AMD released a shader toy-like application that allows exploration of D3D12 Work graphs the application is compatible with D3D WARP (aka CPU emulation of D3D12) provides tutorials of different complexity to showcase different capabilities documented source code for all tutorials is provided
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the blog post provides a high-level overview of the hair rendering technique used in Dragon Age that uses strand-based rendering presents that 6.5ms (at 30fps mode) and 3ms for 60fps are reserved for hair rendering shows a demo video to present the technique results
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the slides discuss the design of the C4 Engine present how the engine has been separated into separate components and what these components do
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the presentation shows how to use HLSL Wave Intrinsics explains what Wave Intrinsics are, what they can be used for, and the limitations shows practical use-cases and how to implement example solutions presents the generated code on AMD hardware and discusses pitfalls
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the Bluesky thread presents a detailed look at how to optimize a 3x3x3 blur shows different stages of the optimization process published performance numbers for the different optimized implementations additionally presents how to use voxels to visualize the algorithm implementation
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the article presents a technique for Order-Independent Transparency the presented technique uses multiple passes over the geometry to generate transmittance coefficients discusses how this turns the problem into an additive shading problem presents the implementation details step-by-step, limitations and possible optimizations
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the article discusses the concept of coordinate systems and how it relates to column vs row-major matrices provides into how the misconception is based on old fixed function style OpenGL concepts overview of how matrix and vector convention are disconnected from memory layout additionally shows how the Odin language supports these concepts on the language level
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the blog post provides an overview of the process of how procedural vegetation was implemented in COD Black Ops 4 discusses the design process and how different developments across the teams influenced the design of the system provides insights into the noise generation process, placement logic as well as storage considerations
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the article goes into detail how to implement a floating point (0 to 1) conversion to 8bit and back without relying on division support first presents the simple division method and then derives how to implement the same without division support goes into detail about how floating point precision and ranges
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the blog post provides insight into the BC7 texture compression format explains how to best express constant color blocks within the constraint of the format
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the article series about the implementation of a CPU rasterizer C++ continues part 4 to 6 are released and add support for 3d transformations, projections, clipping, depth buffer, and perspective correct interpolation
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the blog post presents a beginner-focused introduction to shader programming provides an overview of how shaders allow access to GPU resources, execution model, and restrictions shows how classical rendering pipelines with vertex & pixel shaders are used
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single header HLSL library for spherical harmonics implements support for L1 (2 bands, 4 coefficients) and L2 (3 bands, 9 coefficients) SH (spherical harmonics)
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first release of a single header library for the construction and refit of Bounding Volume Hierarchy contains a generic C++ version as well as an AVX optimized variation
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start of a planned 12 part tutorial series on the implementation of a software rasterizer currently available parts covers the steps required to render triangle as well as to interpoliate colors across a triangle
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the article presents the findings of researach into compression of meshlet data for reduced memory usage discusses the various techniques and the effects on compression ratios additionally presents how they can be utilized my mesh and amplification shaders to decompress the data at runtime presents the effects on performance
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the video provides a look back at the speakers career in the video game industry what they are looking for in graphis developers and programmers for video games in general the QA section provides further insights into what developers are looking for in new hires
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the article presents a walkthrough of the development of a painterly post-processing shaders provides an in-depth discussion of Kuwahara filters and extensions shows quality improvements for the various steps of the process additionally presents runnable WebGL implementation of the techniques presented
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the spec focues on the mathematical description of the shading model model is a linear blend of a metallic and a dielectric BSDF presents the parameters, derivations as well as visual examples of the visual quality
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collection of the author's articles from Ray Tracing Gems published in one place Ray Traced Shadows: Maintaining Real-Time Frame Rates, The Reference Path Tracer Refraction Ray Cones For Texture Level Of Detail, Rendering Many Lights With Grid-based Reservoirs
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the article provides an overview of shadowing techniques as they have been used by video games of the past presents examples of the different techniques, including screenshots of these techniques discusses a brief overview of each technique and its tradeoffs
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the article provides a walkthrough of quaternions deviations for computer graphics focuses on the formulas and algebra underlying the mathematical model includes a cheat sheet of the covered topics at the end of the article
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the paper introduces Energy-preserving Oren–Nayar (EON) BRDF designed for rough surfaces introduces analytical energy compensation and importance sampling via Clipped Linearly Transformed Cosine
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the article provides an introduction to the Global Illumination technique called Radiance Cascades focuses on the development of an intuition for the concepts that underly the technique the steps are explained visually with animated examples
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the post explains what a device lost event is and how to handle it from WebGPU shows the exposed API and how to react to the events discusses different approaches that can be taken to handle the event additionally provides pointers for Chrome-specific considerations for development
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the article provides a detailed overview of matrix multiplication starts with an overview of matrix multiplications discusses Row-major vs. column-major, differences between shading languages then focuses on multiplication ordering, space transformations as well as inversing
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the article discusses a technique to render debug fonts without the usage of textures presents how to embed glyph data into shaders and render from instanced draw calls GLSL source code is provided
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the video continues meshlet implementation and looks at task shader performance on AMD hardware starts with an overview of the technique implementation and presents the performance problem encountered using the AMD profiler explains how the driver implements task shaders and what causes the performance issue by patching the Linux drivers From there, implement a solution that uses compute shaders to cull meshlets instead of using task shaders presents performance and memory comparison against the native task shader solution
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the document explains how vkd3d-proton decides to emulate Vulkan Workgraphs using ExecuteIndirect discusses different trade-offs and design decisions made presents how the implementation compares against native implementations on both Nvidia and AMD many workloads are currently more efficient using this emulation code path than the native driver version
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the article describes how to use the native Metal rendering API for Apple Vision devices explains how to interact with the OS for Variable Rate Rasterization based on eye positions, interact with projection matrix shows different techniques exposed to render meshes to the two-eye views presents how to structure the rendering frame architecture to reduce latency
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the article announces the release of Work Graphs as experimental Vulkan extensions provides links to the headers, spec, and code samples, as well as compiler support additionally provides a list of current limitations
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the article introduces the new features in Reshape, a tool for instrumentation of GPU operations with instruction level validation of potentially undefined behavior explains in detail what AMD Waterfall'ing is, how the tool can detect NonUniformResourceIndex usage updates to per-byte and pixel resource usage, as well as placed resource initialization
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the blog post presents two mathematical methods to scale points along a direction the first method uses matrix operations, and the second uses dot products
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the tutorial series on Vulkan continues by implementing Graphics Pipeline objects presents the C++ code changes and Vulkan changes required closes with a first triangle being drawn to the screen
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the video provides a comparison of different upscaling techniques for Ratchet and Clank Rift Apart tries to match the PC and PS5 Pro rendering quality as closely as possible compares the PS5 Pro upscaler technique against the AMD and Nvidia upscalers on PC
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the presentation provides a getting-started look at basic mesh shader implementations discusses effects of meshlets, use-cases, and current technologies using it additionally discusses remaining limitations
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the presentation provides a high-level view of the Mesh Shader implementation used on Alan Wake 2 The primary focus is on the culling efficiency that can be achieved through mesh shaders presents the performance effects on different culling steps and the amount of final triangles shows the implementation walkthrough of the mesh shader implementation
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the video presents a walkthrough of a Python visualization framework for mathematical expressions shows how to get started with a simple scene to more complex curve visualization over time presents tips for workflows that allow the creation of animations efficiently
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the talk provides an overview of instrumentation-based GPU Validation system explains what kind of validation is currently supported, how operations are written in IL agnostic fashion additionally presents how to develop your own features for the system and presents a view into abilities that instrumentation could enable beyond validation (debugging, data visualization, profiling)
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intel released the rendering toolkit as open source under Apache 2 the technologies include Embree, Open Image Denoising, OpenOSPRay, and others
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the paper presents an overview of 3 methods to sample normal Gaussian distributions discusses the implementation and trade-offs for the presented methods presents a performance comparison of the implementations running on the GPU
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the article presents a detailed look at the quality aspects that relate to animation shows the importance of sampling rate for human motion presents the impact of data precision on animation playback additionally, it presents a detailed discussion of animation data sets and develops what is required for high-quality research results
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the presentation provides an overview of the difficulties related to the composition of GPU graphics techniques presents how Use.GPU tries to solve the problems by making composition a first-class design goal presents how implementation details require completely different implementations shows solutions to the problems discussed
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the paper proposes the use of tetrahedrons as primitives for volume rendering using mesh shaders uses mesh shaders to compute the depths of the front and back faces at the same time when interpolating vertex attributes and passing both depths to the rasterizer stage additionally presents how to use the same idea to implement SDF tracing
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the paper proposes an anisotropic specular image-based lighting method that can serve as a drop-in replacement for bent normal techniques derives an analytic formula to determine the two closest and two farthest points from the reflected direction on an approximation of the BRDF confidence region boundary compares the method against bent normal technique and ground truth using the GGX specular BRDF
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the blog post introduces the new Driver Experiments this tool allows developers to enable/disable hardware features as well as optimization flags the post explains what features are exposed and what these options control
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This paper presents an approximation of the importance based on spherical Gaussians (SGs) for light clusters Each light cluster is represented as an SG light and analytically approximates the product integral of the SG light and a BRDF presents how to use the method to reduce the MC variance for many light scenes
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the video presents how to implement the rendering of a shader-based continuous grid system explains how to generate the grid from a shader, deal with antialiasing, vary the grid sizes with distances, and much more the implementation is shown and provided using OpenGL
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the talk presents an overview of the approach tech artists use to investigate effects in other developers' works shows how to use various tools, such as RenderDoc, Nsight, Intel GPA, etc. to analyze game content presents an overview of various techniques from games
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the blog post covers which sessions AMD will be presenting at the Graphics Programming Conference this November in Breda (Netherlands) brief overview of the content of each talk (Occupancy and Work Graphs) as well as which partner talks will be presented
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the video presents a selection of short talks about different techniques and how it was implemented the Gigi framework covers Reconstruct Materials (differential rendering), FFT 1D/2D, Gaussian Splat Viewer, Fractal Generation each section provides an overview of the technique and shows the implementation
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the blog post provides a brief overview of the state of Vulkan Device Generated Commands this extension allows applications to write GPU commands from other GPU shaders lists which drivers currently support the extension
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NVIDIA released an interactive and free course about learning OpenUSD concepts Broken into modules, it explains the different aspects of OpenUSD in written and video form The provided Jupyter notebook gives the ability to explore the concepts in examples Starts with the basics and develops into more advanced concepts such as animation and layer ordering rules
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the paper presents an in-depth description of a system for guiding direct light sampling of scenes with hundreds of thousands of lights describes how the system can use online learning of visibility estimates and how it's used for accelerating volumetric scattering cases additionally provides insights into the production experience and limitations
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the blog post discusses the limitations of a classic delta time-based approach for animations explains why the techniques inherently are limited provides a couple of ideas to smooth over the limitations
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the blog post presents an overview of the various 8-bit floating point formats shows the limits, precisions, and errors for all possible values in the representations
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free course of 12 hours of content on CUDA development presents how to get the system setup, explains the basics of GPU development concepts extends the concepts from writing a first CUDA use-case to optimizing matrix multiplications to a full multi-layer perceptron model
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the article discusses how Vulkan Pipeline caches operate presents how multiple threads creating pipeline create contention and how multiple caches can solve the problem additionally discusses which flags are required to create truly independent caches between threads
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the blog post introduces the start of the initiative to support SPIR-V in D3D going forward the plan is to support SPIR-V shaders starting with Shader Model 7 release discusses limitations with DXIL, how SPIR-V can solve some additionally, it presents a history of shader intermediate languages
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the blog post introduces a technique to decouple the appearance and geometry of Gaussian the approach decouples appearance and geometry through the use of per-Gaussian texture maps presents a quality comparison against other Gaussian splatting techniques
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The schedule for the graphics programming conference was released conference will happen in November in Breda, Netherlands contains a mix of talks and courses
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NVIDIA released an interactive and free course about learning OpenUSD concepts Broken into modules, it explains the different aspects of OpenUSD in written and video form The provided Jupyter notebook gives the ability to explore the concepts in examples Starts with the basics and develops into more advanced concepts such as animation and layer ordering rules
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the article presents how to group API commands in Vulkan through the use of GPU markers presents which extension exists, how to utilize RAII in different languages to manage the state required additionally contains pointers to techniques for coloring the events
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AMD has released an Instruction Set reference guide for RDNA 3.5 The guide covers the shader core execution model, various wave execution models, available instructions, and more
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the blog post describes the debug build performance of various compilers presents how different code structures allow the compiler to achieve different levels of optimizations shows how C-style vector functions can generate more efficient code compared to C++ abstractions
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the video tutorial presents how to implement a progress bar using SDFs implementation is shown using Unity and Unreal Visual Shading languages
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the paper proposes a codec designed explicitly for meshlet compression within a mesh shader presents how to find optimal generalized triangle strips on meshlets discusses the lossless compression schema for index data additionally presents a crack-free quantization for vertex attributes performance results are presented, and the code is available
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the video explains the shader authoring pipeline for Vulkan applications discusses the different stages involved and how data is passed between stages shows the C++ necessary to compile shaders from text and load binary compilation results
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the article presents a detailed look at D3D12 work graph performance on Nvidia hardware shows a comparison of classification & raytracing pass using compute shaders as well as workgraphs uses Nvidia Nsight to collect reasons for the underwhelming performance
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the blog post shows how to profile an application with multiple processes using PIX for Windows
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the blog post provides a look at different mesh representation formats covering the pros & cons of various volumetric representations as well as implicit representations concludes that for authoring workflows, volumetric representations are now feasible and offer various advantages
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the paper presents a new method for the representation of skinned meshes with deformations for raytracing method allows for a compact representation of micro-triangle geometry through the hierarchical encoding of displacements shows how to animate base meshes and apply additional displaced movements on top
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the blog post introduces WebGPU-powered puzzles that aim to teach graphics programming different independent units explain concepts and allow users to write and interact with GPU concepts directly in the browser teaches the fundamentals in text and expands during the different lessons
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a diagram that visually explains left-handed vs. right-handed coordinate systems additionally presents which concepts are independent of the handedness
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the blog post continues the discussion of the Radiance Cascades GI technique presents how to use information from a low number of rays to reduce the number of artifacts as much as possible shows the effect of the different steps and how multiple cascades are combined source code and interactive experiments are available
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the blog post presents the effects of combining multiple levels of noise shows this for blue noise, white noise, box noise, and many more additionally, it presents how the demo was made using the open-source Gigi prototyping platform
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the blog post presents what is required to write deterministic algorithms discusses algorithmic, multithreaded, and cross-platform considerations shows how different compiler options and standard library implementation can affect the results
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the video provides a summary of how normal maps can be used to augment surface detail presents the derivation of the math that, such as tangent spaces, enables the augmentation additionally presents a method that can be used to approximately detect if a texture contains normal map information
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the video presents how to combine polar coordinates, tiling, and blending to create a procedural loading indicator the implementation is shown using Unity and Unreal Visual shading languages
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the blog post provides a collection of Khronos talks that happened during SIGGRAPH 2024 provides a link to the slides as well as the videos
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the blog post discusses the EDIZ (Error Diffusion Image Zooming) algorithm for image upscaling presents a high-level overview of the technique discuss weaknesses and shortcomings additionally, it presents an implementation of the technique in a code sample
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the article presents the authors' findings when exploring Visibility buffers and methods to access UV derivatives presents the different methods, additional texture channels, ray-tracing into cached vertex transforms, and usage of LDS for short-term caching presents code implementations of the techniques and presents quality comparison videos
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the author presents his idea for a screen-space shadow technique that relies on Hierarchical Depth Buffers for each shadow-casting light starts with a brief overview of virtual shadow maps and the difficulties of debugging them that lead to the idea
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the release adds support for new Vulkan extensions exposes VK_AMD_anti_lag, VK_KHR_calibrated_timestamps, VK_KHR_pipeline_binary and others
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the blog post provides an overview of the new VK_KHR_pipeline_binary that allows direct retrieval of binary data associated with individual pipelines this extension allows applications to write custom caching, pre-compilation as well as loading mechanisms The article explains what the extension allows, how it's exposed, and considerations when designing a caching system
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the paper introduces a new method for precomputing indirect lighting into a novel form of Irradiance Volume It discusses how two approaches, one neural net and one parametric function based on ReLU fields presents performance and memory usage information and presents comparisons against existing solutions additionally discusses the limitations of the technique
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the author presents a discussion of how to apply software rasterizing to the problem of hair rendering technique is based on the Frostbite technique from the presentation "Every Strand Counts: Physics and Rendering Behind Frostbite's Hair" discusses the implementation of the steps that make up the technique, such as spline projection, rasterization using edge functions, as well as interpolation information along the strands WebGPU demo and implementation is available
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the blog post describes the reasoning why SDL GPU doesn't require a single portable high-level shader language focuses on the complexity of the shader ecosystem, how different formats are converted and required to be across platforms
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the video explains how to implement a perspective-animated grid with a color gradient presents how to implement perspective wrap in UV space combines with other nodes to create the effect implementation is shown in Unity and Unreal visual shading languages
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SDL GPU abstraction has been merged into the main branch provides a D3D11, D3D12, Metal and Vulkan implementation layer
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the article presents the effects of applying ML upscaling algorithms repeatedly to the same image compares against the effect of repeatedly scaling an image using a Lanczos filter
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the paper presents an overview of the performance characteristics of synchronization primitives discusses what factors affect performance and presents performance results for these factors presents an open-source testing framework to measure these effects
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this proposal discusses an alternative approach to Pipeline caching in Vulkan explains limitations of the existing Vulkan methods presents how the proposed solutions suggest solving limitations and giving application developers more control
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the author presents how Geometric Algebra concepts are often defined in the literature and what better definitions look like discusses different concepts such as Inner Products, Contractions, and duals additionally ensures comparing the best possible GA implementation against the best possible matrix implementations for a more fair comparison of the implementations
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the D3D12 tutorial presents how to get started with compute shader usage explains the steps required to setup shaders, create the necessary API objects, and execute the shader source code is available
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the blog post explains how HLSL shaders compiled for mesh shader usage with Vulkan require special annotations default shader behavior doesn't handle it correctly, and it only fails on AMD without any validation errors
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the article discusses a method to allow virtual geometry to be represented in ray-tracing scenes explains issues related to BVH construction and LOD selection shows how to integrate generation logic into loading and runtime frames
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the video develops a mental model for 4-dimensional space explores where the space is located and what it represents starts exploring the space via generalization of concepts from 2D to 3D and finally to 4D
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the short blog post presents how to use human-readable ISA documentation to decode one CDNA instruction
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AMD released ISA documentation for RDNA2 and CDNA ISA additionally, it presents a small example application that presents how to use the released data
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the blog post introduces a prototyping programming platform for shader development exposes a way to use a visual node graph editor and HLSL shader nodes for the development of shader techniques allows the export of the developed solution into D3D12 code (more targets will be supported later) the video tutorial presents how to use the system and the debug tools available to implement a box blur technique
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the video tutorial explains how to load vertex information from within a Vertex Shader instead of relying on fixed function hardware provides an overview of the concepts of Programmable Vertex Pulling and use cases that are enabled through it implementation is shown using OpenGL
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the presentation discusses how to use cluster-based mesh representations to allow transitions between model levels shows how to calculate the cluster representations calculate cluster error metrics to allow LOD selection additionally, it discusses how to integrate support for skinned meshes provides performance numbers for the different stages of the pipeline
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the blog post describes an approach to calculating accurate filtering of polygonal shapes with closed-form solutions discusses the underlying theory of the method and implementation
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the blog post announces that Rust GPU (compiling Rust into SPIR-V) will transition from Embark to Community ownership a brief overview of the goals and next steps
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the article discusses a closed-form solution for polar and singular value decomposition of 3x3 matrixes based on findings from "Isotropic ARAP energy using Cauchy-Green invariants" contains the source code implementation additionally, it discusses how to improve numerical stability
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the presentation covers the current state of OpenPBR and the state of integration into MaterialX updates on the state of support in tools additionally provides a look at the upcoming developments
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the talk provides an overview of the D3D12 work graph API provides details into how the API is mapped onto AMD hardware
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the post provides an explanation of Microfacet Models shows how the reflections are affected by the surface and the view directions presents how this explains the look of reflections on water surfaces as they approach the horizon
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the presentations provide a detailed overview of the challenges when implementing Visibility Buffer RenderinVisibility Buffer Rendering discusses why classical rasterization techniques could be limiting on high triangle density and how presents the different challenges that need to be solved when implementing the technique for the challenges, present different possible solutions, discuss tradeoffs, and present performance numbers
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the paper presents a technique that allows Harmonic Functions to be sphere-traced directly discusses use cases where the Harmonic Functions can be applied, such as grid shells, surface reconstructions A real-time shader toy demo is provided
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the talk presents an overview of the Decima (Horizon Zero Dawn) cloud rendering system covers the different phenomenons that need to be combined to create realistic clouds discusses how to implement and combine the different aspects into a sading and modeling solution
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the blog posts documents which extensions have been ratified and included as part of Vulkan Safety Critical clarifies how to provide SPIR-V for use with the validation layer additionally, it presents an update on the Driver support
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the paper presents how to detect if a GPU workload is limited by instruction cache misses discusses techniques that can be applied to reduce instruction cache misses shows how to see the effect of the changes using the NVIDIA Nsight Compute tool
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the blog post reveals that pix timing captures are internally using SQLite as a storage format provides SQLite code to allow access to the data in the container the provided example code shows different use cases, including comments to describe the functionality of each demo sample in detail
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the blog post introduces AMD papers released at HPG (High-Performance Graphics) 2024 covers Real-Time Procedural Generation with GPU Work Graphs, H-PLOC – Super-Fast BVH Construction, HIPRT – A Ray Tracing Framework in HIP as well as DGF – Geometry Compression for Micropolygon Meshes each comes with a short video to summarize the main paper developments and takeaways
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the video presents a brief summary of Physically Based Rendering methods discusses the model as presented by Google Filament closes with a comparison against Phon shading results
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the video tutorial explains the Vulkan render pass concept shows how to use a render pass to clear the framebuffer to a constant color
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The keynote covers the history of computer graphics research (in algorithms, materials) with a focus on techniques used until today discusses a look into the future by presenting techniques of the past that were not successful with current research additionally presents how the user base might influence research directions in the future
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the blog post visuall explains floating point quantization techniques presenting 32-bit, 16-bit as well as 8-bit floating point formats explains the concepts in relationship to LLM models
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the talk recording discusses a method for calculating ambient occlusion using stochastic depth maps to optimize ray-traced AO presents a quality comparison with different resolutions and different test cases additionally compares against screen space solutions
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a collection of links to SIGGRAPH 2024 resources includes courses, talks, posters as well as open source data releases
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the Siggraph presentation presents Frostbites' shader authoring solution shows how it allows extensible component replacement, mixing of different implementations, and automatic interpolation logic additionally discusses what worked well, what still needs to be improved
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the blog post announces the release of the geometry for the Call of Duty Warzone map in USD format The dataset contains five million meshes, 28 million primitives, and more than one billion point instances license allows use for non-commercial, academic use
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the paper presents a method that converts an SDF into a point cloud point cloud is then converted into a mesh surface compares the quality of the new algorithm against existing solutions
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the video episode explains how to integrate Mikk TSpace tangent space calculation into the engine discusses the importance of consistent tangent space authoring for good results
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the paper presents a new method to apply strokes to lines in a GPU-friendly way presents how to lower filled and stroked Bézier paths into an Euler spiral as an intermediate representation tests and shows the performance of the implementation on CPU and GPUs video and code have been released
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the presentation recording discusses the development of the Vulkan ecosystem how LunarG came to deliver the Vulkan SDK, the history of the developments, and ecosystem overview presents a look into the development approach, improvements, and how it worked in practice
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the presentation covers the current state of OpenPBR and the state of integration into MaterialX updates on the state of support in tools additionally provides a look at the upcoming developments
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the paper presents a concurrent binary tree (CBT) for adaptive triangulations of arbitrary (half-edge) meshes shows how to use a CBT as a memory management construct
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the paper presents an approach to BVH construction based on the parallel locally ordered clustering approach (PLOC) and PLOC++ shows how to implement the algorithm in a single kernel launch explains a method to convert the binary BVH into wide BVHs where each parent can have an N number of child nodes
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the paper presents a block-compressed geometry format explains the data packing applied, what can be encoded, and how to compress it presents memory comparisons against existing solutions additionally shows how hardware support with ray-tracing BVH builds might reduce memory consumption
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the blog post provides an overview of generating a procedural world discusses how biomes, terrain, grass, and flowers are placed additionally shows how they turned the flat world into a sphere
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This paper provides a deep dive into Disney's Hyperion Renderer's many-lights sampling system presents how it caches and interpolates light sampling distributions at points throughout space Presents how the approach allows the incorporation of learned visibility estimates into light sampling distributions
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the paper presents a voxel scene processing model that allows on-demand production of data during rendering presents how to overlap the work to reduce synchronization and starvation issues shows a way to visualize the execution of GPU cores on a dynamic timeline
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AMD released a tool to help measure input to screen latency on Windows users can specify a region to watch for changes; if a simulated mouse event triggers a change in this region, it calculates the latency and records for later analyses
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the blog post provides an overview of the author's implementation of Screen Space Indirect Lighting with Visibility Bitmask presents an overview of the technique, discussing tradeoffs of the implementation shows the results in-engine in a test scene and shows the shader implementation in GLSL
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the video tutorial provides an overview of the normal mapping technique explains the limitations of vertex and interpolated vertex lighting followed by an explanation of how normal maps allow additional information and how to generate this required data finally, it provides a detailed discussion of the implementation steps using OpenGL/GLSL
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the 2-part article series explains how Brixelizer GI (a sparse distance field backed GI solution) limitations affect Foliage geometry part 1 explains the limitations, and Part 2 covers how to extend the system to support Foliage (alpha-tested) geometry the implementation of an additional Alpha cache helps to resolve the problem additionally, it discusses how the system deals with animations
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the video presents how to create an SDF for a rectangle using Unity and Unreal effect allows the modification of many parameters, including size, edge thickness, corner radius, and stroke thickness
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the article explains how images are represented covers the build-up from single binary images to grayscale and, finally, color images a brief discussion of the concept of resolution, human vision as well as DPI
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the paper presents a detailed look at how to use D3D12 work graphs to generate a procedural world shows how multiple generation phases are combined with GPU ray-tracing to create a world discusses how the BVH structure is used to place markers, generate Ivy, marketplace arrangements, as well as ground clutter presents results with performance information
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the series of articles discusses how work graphs are now allowed to execute mesh rendering work part 1 how presents the getting started guide through the code sample on basic setup the second part focuses on best practices for performance finally, the last part discusses how to use work graphs to procedurally generate and render a whole game world
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A brief blog post discusses what aspects of the new mesh nodes preview for d3d12 can be debugged using Pix
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SCALE is a GPGPU toolchain allowing CUDA programs to be natively run on AMD GPUs discusses what hardware is currently supported and how it's achieved documentation provides examples of how to get started
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the article discusses a solution to allow GPU instanced and animated models using Vulkan presented solution pre-calculates all bone transformations for all frames of the animations and calculates the sample index during the vertex shader stage
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the paper to be presented at SIGGRAPH 2024 presents a technique for rasterizing hair from hair strands since it's based on Hair meshes (which are protected by patents), I did not read it and can't provide a summary ensure to contact your legal team before proceeding to read
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the blog post provides insights into the Vulkan variant for safety-critical applications shows the differences between stock Vulkan presents a detailed look at the architecture and how the variant is maintained
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the paper discusses the implementation of a compute-shader-based rasterizer specialized for order-independent transparency explains the implementation and choices made presents performance comparison against other solutions additional explains the limitations of the current implementation
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the blog post introduces the new AMD library that aims to improve GPU hang debugging allows developers to insert information into the command buffer in case of crashes, it allows to figure out which part of the frame has finished execution and what is still outstanding supports both Vulkan and D3D12
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the blog post presents an overview of using Brixelizer for Ambient Occlusion and soft shadows shows performance number and discusses what aspects influence performance concludes with a summary of best-practices to consider when eveluating Brixelizer
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the blog post introduces Arm Accuracy Super Resolution this upscaler is based upon AMD FSR 2.0 and optimized mobile GPUs shows performance numbers as well as quality comparison against other solutions
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the video provides a comparison to present the improvements done with FSR 3.1 presents a comparison against other upscaling solutions
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the video tutorial presents how to combine multiple SDFs in shaders this information is used to implement a lava lamp effect implementation is shown using Unreal and Unity visual shading languages
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the video provides an overview of the concept of image barriers explains what kind of hardware-defined memory layout changes might be associated with image layouts presents how to implement the barriers in Vulkan required to solve the Vulkan validator messages for the swap chain presentation
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the GDC presentation explains how the toon rendering effect was achieved the game uses a customized UE4 version, and the talk shows which stages need to be modified covers the lighting, cross-hatching, and halftone patterns, as well as how the outlines are applied
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the blog post announces the intent to open source DXIL shader validation as well as to support a mode to skip hash validation explains what hash validation is, what the current state is, and what issues arise because of it
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The survey paper presents a very detailed look at the state of font rendering discusses a high-level overview of font rendering systems, implementation, and limitations lists a long list of available solutions with brief summaries, as well as what solutions well-known software projects use showing performance tests of different solutions
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a new graphics programming-focused conference in Breda, Netherlands The call for speakers is still open till July 31st
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the video explains visually step-by-step how the Radiance Cascades technique aims to solve Global Illumination explains the underlying idea based on observations of linear and angular resolution presents results and also shows what the limitations are
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X thread with a collection of Spatial Indexing Algorithms covers the pros/cons and what the techniques are typically used for
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the video presents how the "Lossless Scaling" mod generates in-between frames for smoother game output explains that the mode only uses color output without any additional meta-data or motion vectors compares the technique against FSR 3.1 and DLSS 3.7
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the video tutorial presents how to create a signed distance field for a circle the implementation is shown using Unity and Unreal additionally presents a first overview of different shapes this series will be targeting to create
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the keynote presentation discusses the Use.GPU technology presents issues of graphics technology and how the author aims to improve the authoring discusses how the React style has been applied to GPU app authoring provides a walkthrough of the implementation logic and examples shows how to compose shaders
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the paper presents a new method to apply strokes to lines in a GPU-friendly way presents how to lower filled and stroked Bézier paths into an Euler spiral as an intermediate representation tests and shows the performance of the implementation on CPU and GPUs
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the paper introduces a unified BRDF that allows a consistent expression of smooth to highly rough porous behavior materials compares the results against ground-truth The presented solution might be approximated for real-time usage
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the blog post describes a couple of available shader intrinsics that allow the different threads of a shader wave to cooperate starts with simple techniques and increasing complexity
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the paper introduces a real-time BRDF model addressing diffraction on rough surfaces shows the improved realism in Unity over the Cook–Torrance model presents a performance comparison against a base Cook–Torrance implementation
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the blog post presents how to profile WebGPU applications with Nsight, PIX, and Radeon GPU Profiler The presented solution takes advantage of context sharing and dll interception
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the paper presents an approach for incremental re-rendering of scenes it formulates image differences as a residual path integral, solved with importance sampling and path mapping presents speed-ups over previous methods and independent frame rendering
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the conference program for the High-Performance Graphics has been released will take place between July 26 to 28 in Denver
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the video shows an overview of Technical Papers to be presented at SIGGRAPH 2024 shows a quick showcase of each trailer and a brief summary of the presented approaches
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the paper presents a method for the efficient extraction of mesh contours it proposes a simple, flat data structure that is GPU-friendly and uses patches bounded by normal cones and sphere discusses how to generate these patches and improve bounding sphere calculations presents a performance comparison against CPU techniques
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the next episode of the Vulkan tutorial series presents how to execute work to the GPU presents how to clear the image to a fixed color and integrate it with the presentation process
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new video tutorial series that will cover how to generate procedural shapes and patterns from shaders implementation is shown using Unity and Unreal Engine this video focuses on the reasons why to use the approaches and how to create a pattern with antialiased edges
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the video presents an approach to develop an ASCII art shader approach (converts 3D rendering to text) discusses methods, issues of the techniques, improvements and presents results on several different games presents how to map the techniques onto a compute shader execution model additionally presents other techniques that could be built upon
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the blog post presents a walkthrough on how to implement a raytracing classification shadow optimization using D3D12 work graphs first discuss an overview of the technique followed by a presentation on how to express this technique using HLSL and D3D12 work graphs
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the GDC video presents a discussion of the new work graph features for D3D (also a Vulkan AMD-specific extension exists) explains the issue with the current ExecuteIndirect model shows an overview of the API model and how it aims to solve the challenges presents an overview of a compute shader rasterizer and a runtime GPU scattering system based on the technology additionally discusses the support level
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the first blog in a series about CPU optimizations this part presents how different implementations of max between floats can generate very different code presents the effect of branch misprediction on performance and how to use the AMD profiler to detect through hardware counters
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the video recording of I3D 2024 sessions covers the following papers Efficient Particle-Based Fluid Surface Reconstruction Using Mesh Shaders and Bidirectional Two-Level Grids, ShaderPerFormer: Platform-independent Context-aware Shader Performance Predictor Transforming a Non-Differentiable Rasterizer into a Differentiable One with Stochastic Gradient Estimation these papers cover a focus on performance from an academic focus
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the talk provides an overview of the experimental Triangle Visibility Buffer 2.0 implementation The presented approach uses only compute shaders to write the visibility buffer discusses the pipeline design, different approaches based on triangle sizes, and how performance compares additionally presents which features are still missing compared to hardware rasterization
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the paper presents a method that aims to unify microfacets and volumes for light transport purposes the paper shows that both can be expressed as stochastic implicit surfaces (SIS) and, more specifically, Gaussian process implicit surfaces (GPIS) discusses the derivation, representation generation, and tracing aspects of GPIS additionally discusses limitations regarding performance and quality
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the blog post presents why the author suggests using box plots over bar charts as the default way to represent performance shows annotated examples of how box plots can express a lot of helpful information in a concise form
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the talk presents the system used by EA's Frostbite team to test the rendering engine shows an overview of the current state of the system and why they are the way they are discusses all the complexities and difficulties shows the tooling available and how different tools exist for different use cases additionally discusses trade-offs and development approaches
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the video explains the concept of a BVH (bounding volume hierarchy) and presents how it increases the performance of a raytracing implementation shows a detailed explanation and many visualizations of the behavior of the data structure and how to build an efficient implementation presents different heuristics that can be used to order the data for efficient access shows the results and presents performance improvements
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the article provides an interactive walkthrough into the implementation of the Raymarching algorithm explains the logic of signed distance functions in 2D and expands these to 3D presents the implementation of a simple 3D raymarching scenes the provided code samples are interactive and can be used to get a better understanding of the presented techniques through experimentations
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the second path of the math tutorial series from GDC 2024 extends the dual quaternion knowledge (see last week 338 for prerequisite) starts by developing an intuition for plane representation (normal + distance), difference between positions and directions, and behavior under reflections additionally explains the understanding of homogenous concepts
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the presentation presents updates done to the rendering pipeline of the internal engine used for Alan Wake 2 focuses on explaining the technique selection and why the choices were made in-detail discusses the meshlet geometry pipeline and changes to the material system additionally discusses updates on the used transparency models
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the video recordings of Noise and Reconstrictions papers from I3D have been released covers FAST: Filter-Adapted Spatio-Temporal Sampling for Real-Time Rendering, Filtering After Shading With Stochastic Texture Filtering, and Cone-Traced Supersampling for Signed Distance Field Rendering
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following the REAC 2024 conference, this author composes his 10 predictions on how graphics engine architecture might evolve looks back at the history, current developments and looks into the future additional discusses how mobile requirements vary and how it might indicate a future on consoles and PCs as well
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the video recordings for the Rendering Engine Architecture Conference have been released covering a large number of topics from resource management, GPU-based mesh pipeline, testing approaches, and much more
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the blog post provides a detailed discussion of implementing meshlet-based virtual geometry rendering into Bevvy discusses how meshlet LODs are calculated, how meshlet culling has been implemented, and how they are rendered without mesh shader support presents findings from different approaches and discusses the pros/cons of the various approaches Additionally, it shows the integration work for supporting systems (depth pyramid generation, material shading, etc.).
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the blog post discusses the author's experience learning Vulkan through the development of a small 3d engine presents the approach for keeping things focused and decisions leading to using Vulkan explains the API concepts and how they are used in the engine (shaders, pipelines, queues, etc.) additionally presents how higher-level techniques are implemented inside the engine
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the short paper presents how to reformat bezier interpolation using cheaper functions shows the implementation of quadratic, cubic, and higher-order polynomials additionally shows how a GPU implementation could take advantage of hardware linear interpolation
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the article presents a geometric and statistical analysis of the PCG2D hash function explains the terminology of random number generators and how they can be mapped onto GPUs visualization of provided using shader toys
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the blog post provides a high-level view that explains machine learning concepts for practical usage by graphics programmers presents the individual concepts and how DirectML maps them into compute shaders additionally presents an overview of the different passes that make up the Open Image Denoise implementation
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the blog post introduces the release of the first stable release of OpenPBR discusses the importance of the standard and the history of its development MaterialX now contains a reference implementation of the model
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the article presents how a rasterizer calculates intermediate values on a triangle explains barycentric Interpolation and explains the cause for common artifacts on PS1-level hardware then derives perspective-correct Interpolation that resolves the artifacts
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The videos for I3D paper presentations have been released covering Reducing the Memory Footprint of 3D Gaussian Splatting, SimLOD: Simultaneous LOD Generation and Rendering for Point Clouds additional Deblur-GS: 3D Gaussian Splatting from Camera Motion Blurred Images as well as Light Field Display Point Rendering
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the video provides an overview of the OpenGL Ecosystem explains the history of OpenGL and how OS integration compares to Direct3D presents what software layers are involved and which software components enable easier cross-platform development
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the paper presents a variance reduction technique for ReSTIR aimed at reducing shadow noise presents a comparison against existing methods discusses side-effects of the technique
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extended presentation of the I3D paper presentation discussed last week the paper presents an investigation into applying texture filtering after shading instead of before shading shows comparisons of the approaches and a background into the underlying theory presents guidelines on the tradeoffs and when to use different approaches
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the paper presents a way to reformulate SDS (a path with at least a specular, diffuse, specular bounce) paths into a polynomial system explains how to use root finding to solve the paths shows the presented solutions for caustics in a unidirectional ray tracer
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the article series extends the voxel rendering implementation to use path tracing discusses and explains the different components of the rendering equation additionally presents the effect of importance sampling for reduced convergence time
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the blog post explains the new DirectSR (Super Resolution) API provides a walkthrough of the API and how to integrate it into an existing engine provides an overview and discussion of the different exposed parameters
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the blog post introduces the ongoing work of implementing future HLSL versions directly into Clang discusses the expected difference between legacy and future HLSL versions additionally shows the first version of DXC compiled with clang and performance improvement
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the latest version of Renderdoc includes a custom and improved DXIL disassembler additionally lists the improvements for SM6.6 feature support
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the paper presents a new method that aims to improve hair interpolation from a smaller number of guided hairs presents the theory and implementation of the technique compares against existing solutions in quality and performance
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the blog post provides a high-level introduction to general relativity takes the underlying theory and shows how to convert it into code shows a C++ based implementation of the technique
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the blog post discusses the streaming system implementation in the Wicked Engine discusses how the data is provided, loading streaming processed in the background, and finalized for rendering additionally discussed techniques to improve streaming information, such as GPU streaming feedback buffers
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video of the I3D 2023 Paper session on Light Transport covers Bounded VNDF Sampling for the Smith–GGX BRDF, ZH3: Quadratic Zonal Harmonics and Interactive Rendering of Caustics using Dimension Reduction for Manifold Next-Event Estimation
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the paper provides a walkthrough explanation of the different components that define a BSDF (bidirectional scattering distribution function) that defines the shading behavior of a materials covers the underlying theory, explaining the derivation as well as the geometric interpretations
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the paper introduces models to solve the reconstruction of irradiance in the vertex-normal space applies the developed framework to hemispherical and cone occlusion to volumetric lighting as well as mitigating light leakage for normal-mapped surfaces' appearance of runtime ambient occlusion shadertoy implementation is provided
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the series on voxel ray tracer continues by presenting how to accumulate samples over time with a nonstatic camera explains temporal pixel reprojection, how to deal with sub-pixel blending, and how to improve results with occurring object occlusions
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the blog post provides a detailed description for programmers interested in graphics programming explains what the job entails, different specializations in games, and what topics graphics programmers often work on additionally gives insights into the technologies the author recommends to start learning with
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the article explains an approach to implementing Sun Beams using Billboarding techniques implementation is shown using the visual shading language of Unity
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the blog post presents that the latest D3D12 SDK update introduces support for R9B9G9E5 for Render Target and UAVs explains how the R9B9G9E5 format allows higher precisions compared to half-floats and less memory usage than float formats additionally expressed the importance of verifying hardware support
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the video shows how to implement a shader effect that allows objects to change their appearance close to existing depth values in the depth buffer the presented technique relies on a rendering order that ensures the depth values are written before the objects want to read them technique is implemented using the visual shader language of Unity
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the video tutorial continues to discuss the implementation of a Vulkan renderer this week's videos explain how to clear the back buffer to a solid color in every frame C++ implementation is shown
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the paper presents an investigation into applying texture filtering after shading instead of before shading shows comparisons of the approaches and a background into the underlying theory presents guidelines on the tradeoffs and when to use different approaches
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the author presents his view on shading languages and the (lack of) evolution discusses the shortcomings and issues arising from them shows an outlook on why the concept of shading language is outdated and should be retired
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the paper introduces a path-guiding method that utilizes an irradiance voxel data structure the presented method is a spatial distribution shows an evaluation of static and dynamic scenes, containing quality and performance
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the paper introduces Area ReSTIR that extends ReSTIR to be able to be applied to sub-pixel details presents how to allow the reservoir to integrate with the area for the lens and film shows the technique applied to depth of field and antialiasing
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the article continues the series that covers the implementation of a voxel raytracer this week explains the concept of noise patterns and presents the effects using soft shadows explains white noise, blue noise, and stratification additionally, it shows how to temporally apply noise to allow temporal accumulation
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the paper presents an improved version of a BSDF developed for micro grain materials shows how it explicitly models height-normal dependencies to summarize shadowing and masking inside the porous layer
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the video presents how different types of noise for random number generation can affect the results discusses Randomness/fairness when generating random numbers present how different noises affect stochastic rendering techniques and suggest solutions to common problems discusses FAST noise generator utility and available pre-generated noise patterns
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the article provides an excellent overview of the different ways to create root signatures in D3D12 starts with a brief overview of what a root signature is and how it's used then discusses different methods to author, create, decompile, and use the concept presents a brief discussion on how root signatures are used and how other engines handle it
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the article discusses how to implement cluster-based mesh rendering using mesh shaders discusses how to set mesh shaders using Vulkan extends the pipeline to use task shaders to execute LOD selection and frustum culling presents performance numbers and how wave utilization is essential
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the paper introduces a new neural method to compress BVH for raytracing workloads shows how the technique is designed to be integrated into existing raytracing pipelines presents a comparison against existing solutions on memory and performance
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AMD released documentation for the Micro engine and the RDNA 3 ISA
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the blog post presents that the Brotli-G (GPU compression library) now allows a pre-condition step that allows further file reduction shows how to use the feature and what image formats are currently supported
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the article continues the development of a voxel raytracer by explaining anti-aliasing and soft shadows presents the difference between numerical integration and stochastic integration solvers shows the technique with anti-aliasing first and derives soft shadows as a follow-up
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the video tutorial explains the Vulkan command buffer concepts presents limitations that OpenGL had and how Vulkan can solve these shows the command buffer lifecycle, explains memory management presents how to use the API to operate on command buffers
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the article discusses the design trade-offs for a shader graph system presents the complexity when integrating with modern complex shading systems shows how Unreal and Unity implement the ideas
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the paper introduces the ZH3 format for spherical harmonics that fills the gap between linear and quadratic SHs The proposed solution improves the quality at the cost of a single extra coefficient per channel the source code is provided
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the blog post discusses projection methods for spherical videos presents issues with existing methods reverse engineers what apples Methods appears to be doing and how it's able to achieve higher quality
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the GDC talk presents a great explanation of Quaternions and expands the concepts to cover dual quaternions presents interactive and visual examples of the different components and operations involved shows issues and limitations with matrix interpolations and how quaternions and dual quaternions can solve these limitations
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this blog post covers how to extend a raytracer in a voxel world with support for reflections expands perfect reflection to allow for refraction contains challenges for the reader to develop their understanding further
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the paper introduces a method for view synthesis of facial expression captures in 3D views not captured the presented solution is running at real-time rates without relying on machine learning techniques achieved using a layered mesh for view-dependent information and mixing this with view-independent RGBA texture video the included paper presents a summary of the technique, compares it against existing solutions, and discusses the limitations of the approach
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the video presents a summary of all the papers that will be presented at the I3D Conference 2024 shows a brief summary of a couple of seconds for each paper papers cover an extensive range of topics, from ML techniques, VR research, upcoming display technologies, new filtering approaches, and much more
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the paper discusses a generative model that is trained to generate multiple types of noise and blend between them presents the network architecture, how it has been implemented and improved shows many examples of the generated results
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the paper presents a framework to shape rendering noise to optimize samples for perceptual quality and denoising performance shows how sampling patterns can be optimized to take advantage of knowledge about post-processing spatial and temporal filtering characteristics demonstrates how to use the framework on example applications
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the video shows the limitations of Nanite from an artist's perspective presents the debug views to explain why vegetation scenes are more difficult for the system to process discusses possible solutions through the use of procedural generations and fallback LODs
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the Godot engine is switching the definition of near/far plane, with the near plane now mapping to a depth of 1 and the far plane to 0 this post explains common patterns that are affected by this change additionally provides links to explain why this new mapping allowed significantly improved depth buffer precision
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the presentation is packed with detailed information about the process of implementing shader graph support into the Nanite shading model starts with an overview of the system and discusses the steps taken to reach the current support level provides many details on the lower-level aspects and how GPU hardware influences decisions additionally explains how the system has been optimized on PS5 and Series X with console-level access also shows that work graphs for PC enable a new set of optimizations
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The Master Thesis is a collaboration with Remedy Entertainment and discusses the implementation of a denoising solution for direct lighting the focus is to find a solution that balances performance and quality to allow real-time utilization of consoles reviews existing solutions and provides evaluation methods to provide analysis capabilities discusses the implementation and tradeoffs done presents performance, memory, and image comparisons of the developed solution against existing solutions
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the start of a series of articles covering the implementation of ray tracing for a voxel system presents the initials of light and shadow calculations concludes with challenges to the reader to improve their understanding of the material
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the blog post shows how to implement Acceleration Structure compaction using D3D12 this compaction step is run on the GPU timeline and often reduces the memory size required by 40% discusses the necessary API steps, GPU synchronization, and memory management strategies
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the article provides a full explanation of the derivation of multiple-importance sampling explains the different components and how to combine them correctly
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the article explains how to implement a marching cube compute shader the implementation is shown both in Vulkan and WebGPU compares the performance of both implementations and finds that WebGPU performance is close to native Vulkan
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a blog post covering the effect of using C++ final on a ray-tracing demo the author presents the findings with several platforms, compilers, and scenes and presents the performance results
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this page serves as a starting point for the articles of the author covering topics such as BVH building series, Probability Theory, CPU Optimization series also contains various articles on Ray Tracing, graphics techniques, and fixed point math
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the article introduces how shaders from GPU Profiler captures can now be opened in the GPU Analyzer for more detailed investigation additionally shows UI updates and presents how instruction latency provides more information about where the latency occurs
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the video presentation (free login required) discusses the implementation details of Path Tracing within the Alan Wake 2 technology stack starts with an overview of the implementation used (vertex accessing, BVH creation, dealing with dynamic geometry, etc.) shows how Opacity Micromaps are used for alpha-tested geometry from there, explain how Path tracing has been implemented, covering the whole pipeline from shading, shadows, reflections, and reconstruction techniques
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the paper presents a method that allows existing non-differentiable rasterizers to be made differentiable explains the underlying technique and how to derive per-pixel stochastic gradient estimation shows how to use the concepts to implement a 3D assets optimization system
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the article introduces a specialization for the isotropic distribution of visible normals for GGX-Smith discusses the limitations and implementation source-code for HLSL and GLSL is provided
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a collection of summaries about color science aimed at computer graphics artists provides a summary of the physics of color, the human vision, as well as the representation in computer graphics additionally discusses color transformation onto displays
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the paper introduces an object space shading method based on per-half-edge texturing (Htex) presents a comparison against existing and shows how a Htex based method helps to reduce texturing seams implementation of ReSTIR GI in object space using Unity is provided
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the video explains how to use OpenGL tessellation shaders to implement a dynamic level of detail for mesh based terrain system explains how to setup the data for usage with the shaders presents the shader and C++ code implementation required
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the video presents techniques to represent light shafts explains an overview of two existing approaches present an approximation technique that uses 2D planes combined with shadow map sampling and temporal filtering
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the blog post explains the Radiance Cascades technique for global illumination shows the different stages of the algorithms and how to implement them for 2D cases source code is provided
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the post presents three methods to convert (Quadratic, Cubic) Bézier curves and elliptical arcs into line segments provides interactive examples to visualize the methods An example javascript code is provided
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the GDC presentation provides an in-depth view into how the visual stylized shading was implemented covers a large number of topics from Deferred Toon Rendering, Comic Shader, over Global Illumination to Toon Face Shadows and more the game is based on Unreal Engine 4
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the GDC 2024 presentation covers the problems with Draw Indirect and how Work Graphs are designed to solve them presents a walkthrough of the API and how AMD/NVidia have started to use the feature additionally introduces DirectSR, the new API that abstracts upscaling techniques behind a command D3D API
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the video deep dives into font rendering starts by exploring the True Type Font format showing how to extract the glyphs and the bezier curves that represent them discusses several techniques to render the curves to form the fonts presents issues and solutions for a large number of issues encountered
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a new graphics programming conference to happen in Breda (Netherlands) in November currently looking for speaker and master class proposals
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the blog post discusses how to implement a continuous LOD system for meshlet-based rendering shows how to calculate the error metric and structure the data for GPU access presents how to select the correct LOD level at runtime A video of the results is included
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the presentation provides an overview of the Nanite and Lumen systems shows a high-level look at which parts affect performance and how performance intuition doesn't match the classical rasterization model the whole presentation slide deck is done in the UE5 editor
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the video explains the difference between alpha blending and dithered transparency shows sorting issues related to blending order and how dithered transparency solves them presents how to implement the technique using Unity Shader Graph additionally shows the limitations of the technique
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the latest version adds support for Slang with Vulkan, additional extensions support, D3D12 Pixel history support, and many bug fixes
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the article presents how usage patterns of copy queues to upload and download data from the GPU can significantly affect the amount of stalls discusses the different patterns and presents timelines to show the waits additionally shows how multiple copy queues interact and the importance of copy queue priorities
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the blog post describes a method to apply lighting to Gaussian Splats shows methods to reconstruct geometry with normals and how to filter the results additionally discusses limitations and ideas for improvement or leveraging of existing mesh-based solutions
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the latest video in the series explains how to create a Vulkan Swapchain explains the different presentation modes additionally shows how to create a view of the different images of the swap chain
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the GDC presentation provides an overview of the profiler tools available from AMD presents the updated shader analysis tool, including a preview of the single shader stage mode additionally presents an overview of the raytracing and memory debugging tool improvements
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the article presents a walkthrough of how to implement a post-processing effect that emulates Jean Giraud's art style shows how the author approached object outlines, shadows, and lighting patterns provides interactive WebGL implementations that showcase the individual stages of the implementation
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the blog post announces that the Windows PIX runtime has been released as OpenSource this includes logic to decode PIX events as well as the runtime logic that writes ETW entries additionally, the team is looking for feedback for a proposed task API for PIX
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the article introduces an alternative low discrepancy sampling strategy for circles provides a quick introduction to rejection sampling shows how adaption could be used to sample only within a quad within the disk and still fill the whole circle with samples compares the characteristics of the technique and presents the applications to different shapes
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the blog post describes how to use the CUDA Compute Sanitizer to implement a resize-aware memory pool additionally discusses the APIs available to allow memory debugging more insightful
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the GDC presentation discusses how the GPU Reshape tool enables GPU timeline validation explains how the validation logic can be written in an API-agnostic manner provides a look at future developments where the same infrastructure could be used for profiling or data debugging
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the article provides an introduction to ray marching explains the underlying concept and how it compares to ray-tracing extends the concepts to introduce the various operations (scaling, translations, boolean operations) required to express geometry combines the knowledge to build a fractal object called the Menger Sponge
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the presentation discusses mesh shaders and the techniques they enable discusses how to compress index data and how to allow quad source data presents the importance of vertex reuse and meshlet generation for performance
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the presentation presents why debugging GPU issues is difficult explains how the AMD Radeon GPU detective presents information to help developers track issues down presents how to use the tool, read the information, and understand the cause of the issue with the information provided
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the article discusses updates in the Nvidia developer tools covers new debugging capabilities, improved performance collection, and profiling tools
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the blog post describes how to implement a procedural grass system using mesh shaders explains how the grass mesh is described using bezier curves and combined into a grass patch presents how to write the index/vertex buffers for efficient rasterization
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the blog post provides a brief overview of how glossy reflection got added to the GI 1.1 release looks at how the denoiser is required to reduce the inherent noise images
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the article provides an overview of the announcements AMD made during GDC additionally provides links to the slides and videos of the presentations
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the article explains how to approach differentiable rendering for mesh-based rasterization presents the limitations of a simple method and how to achieve it with PyTorch expands the idea to expand the idea with soft probability to solve some of the limitations
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the article provides a suggested collection of resources for beginners in graphics programming covers mathematics, working with APIs, and writing shaders
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the video provides a brief overview of the difference between physical and logical Vulkan device presents the C++ code necessary to implement the device creation
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the video provides a walkthrough of the steps when optimizing a voxel renderer each step is explained and visualized to make it very easy to understand covers a large number of optimizations and, for each, discusses the effect on performance and memory usage
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the article provides an overview of the different models available to describe the appearance of a mesh using OpenUSD Explain the advantages and the disadvantages of the available methods
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the article provides an overview of all new features available in the D3D12 Agility SDK update covers work graphs, new shader model, accessible memory for CPU/GPU, as well as unifications on shader creation
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an overview from Microsft into what work graphs are what possibility it enables, a brief summary of the spec additionally points out the changes since the preview version last year
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the article provides an overview of how a G-Buffer classification system for BRDF selection can be authored using work graphs provides performance numbers for the work graph and an Uber shader approach discusses lessons learned, pitfalls, and performance considerations It additionally discusses the open challenges and future developments
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AMD provides a list of talks they will be presenting at GDC (starting today) each talk is given a small summary and where it's taking place
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the article provides a detailed walkthrough of how to implement Loop’s and Blinn’s font rendering approach from Siggraph 2005 provides an overview of the approach with many visualizations shows how to implement the algorithm using D3D12 mesh shaders source code is provided
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the blog post discusses a method for generating uniformly distributed quaternions explains the theory of quaternion and the proposed method to generate random rotations provides an implementation without using trigonometric in C++ SIMD as well as GLSL
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the whitepaper presents which tools and optimizations passes in spirv-cross and glslang are available to optimize shaders, taking advantage of knowledge from multiple shader stages shows an example of how vertex outputs can be eliminated if the connected pixel shader doesn't read the attribute
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second part in an article series about creating a LODing system that allows per-cluster LOD selection focuses on performance and quality fixes for the proposed solution from part 1
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the video provides an explanation of Gaussian Splatting and how it connects to point clouds and nerfs presents the base idea and optimizations that have been applied to speed up the technique
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the blog post provides an overview of new features and improvements in PIX additionally presents at which state of support the new D3D12 features, such as shader graph, shader model 6.8, etc.
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the article presents a method for efficiently calculating the Cumulative Distribution Function or CDF, for image-based lighting explains the underlying prefix sum algorithms shows how to improve the initial implementation for improved GPU performance the implementation is provided using CUDA
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the article provides a brief overview of the rendering engine architecture of the indie game Solar Storm presents how the systems are designed around immediate mode principles shows how the world is built up, shaders are created, and objects submitted for rendering additionally presents a quick look at post-processing and performance
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the blog post provides a walkthrough of the author's implementation of grass rendering using compute shaders + indirect draw shows how the instances are generated, animated, and culled, as well as how LODs have been added code samples are presented using Vulkan
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the article presents how to implement screen space reflections using a single shader pass starts from a basic technique description and presents how to resolve common issues each step and improvements are visually represented the source code for a Unity shader is provided
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the article provides an in-depth look at the Smooth-Minimum operator and its characteristics shows that many varieties exist, and they all have different strengths and weaknesses presents examples of all and discusses when to use the different variations
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the article provides an in-depth look at the hardware details of the Snapdragon 8+ Gen 1 GPUs shows the hardware design, compute throughput, performance, cache performance, and much more
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the video tutorial explains the concepts related to GPU hardware detection shows how to enumerate connected GPUs, what capabilities they support, and how to pick the hardware that matches the application requirements
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the article presents a new driver-level validation for Ray-Tracing implemented by Nvidia discusses what kind of issues can be detected by the system and how they are reported to the developer presents how to enable the system and expected performance overhead
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presents a complete walkthrough of the forward rendering model employed by Persona 3 Reload discusses how different effects are combined to create the stylized rendering effects provides an overview of shading, shadowing, and ray-tracing integrations presents how art-driven effects are integrated to improve the visual appearance additionally, it presents how the UI system is integrated
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the article explains the concept of Look Up Textures (LUT) shows different use cases with interactive examples discusses 1D and 3D Lookup textures covering examples from Left 4 Dead of how LUTs are used and the possibilities they enable
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the article discusses the feasibility of replacing 4X4 Matrix multiplications with Geometric Algebra concepts in a forward renderer presents the implementation of the required concepts and how to replace classical methods discusses conversion limitations when using normal maps additionally, it discusses the amount of instruction required for different operations
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Microsoft presents what will be discussed at GDC 2024 Introducing DirectSR (Super Resolution), a new API for the uniform integration of different super-resolution solutions with the same API will be presenting an update on Work graphs and how they will affect GPU programming in the future
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the article presents the importance of profiling when optimizing shows a comparison between precomputed sample positions (with a buffer load) and on-the-fly computations
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the short video tutorial explains how to create and destroy a surface handle from a GLTF window
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the article provides an in-depth discussion of how light behaves, how it interacts with the human visual system, and finally, how paints are made up given the theoretical underlying presents a model to derive a model to represent the mixing of colors discusses how to implement the solver The Python source code is released as open-source
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the video recordings of the talks from the Vulkanised 2024 conference have been released covering efficient rendering for mobile, Vulkan synchronization, shader language innovation, practical porting lessons, and much more
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the article introduces the Shadeup language that aims to minimize boilerplate code required when authoring WebGPU workloads provides a quick introduction to the various features of the system and how to interact between CPU and GPU code covers basic rasterization as well as compute shader usage code examples are interactively editable for experimentation
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the video tutorial explains the necessary steps to ensure that all Vulkan validation messages will be intercepted shows the C++ code implementation required and how to use the debugger to collect additional information when an error occurs
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the second part of a video tutorial about the implementation of Caustics using Unreal and Unity The first part explained how to implement an underwater caustic effect this part shows visual issues (noise, edges) from the previous part and shows how to solve them
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the Rust-based 2D editor Graphite is looking for Students to join the Google Summer of Code project one of the suggested project ideas is to rewrite the Shader-driven graph UI for improved performance
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The paper introduces a machine learning model that generates a set of PBR Textures (albedo, Roughness, Metallic) trained on a locked RGB model to take advantage of existing models discusses how the model was designed, tradeoffs, and common failure cases
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the article discusses the new RenderGraph implementation in Godot 4.3 discusses the limitations of the old system and the advantages of the new system shows the implementation of dependency tracking, dealing with sub-resources additionally discusses CPU and GPU performance impact
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the blog post article discusses the implementation of a box blur shader presents explanation of Gaussian, Kernels, Separable blurs closes with a discussion of things to do and avoid when implementing a blur shader for good results
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the Rendering Engine Architecture Conference is looking for speakers for the 2024 edition post describes what kind of talks are being looked for and the formats of the talks
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the course presents an introduction to GPU compute shader algorithms discusses the primitives available how to implement parallel reduction, prefix scan, and radix sort additionally presents a look at optimization techniques
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the video provides a history of ant-aliasing techniques used in games discusses capabilities and limitations of the different AA techniques presents in-depth the advantages and disadvantages of temporal antialiasing techniques all examples are presented with videos from games that use the presented techniques
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the article explains the extension method to gradient descents called Adam provided implementation is shown in C++
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The slides for the talks of the 2024 Edition of the Vulkanised conference have been released 3-day conference covering Vulkan SDK changes, synchronization, common learning mistakes, presentations of integration into larger systems, shading language developments, as well as future looking developments
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the video in a series of Vulkan tutorials explains how to create a Vulkan Instance explains the API concepts required to understand code samples are provided
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the video tutorial explains how to add surface foam around the edges of objects that intersect the water surface shows how to implement the foam effect and how to limit the effect to the area around the intersection implementation is shown using both Unreal and Unity using a visual shading system
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the article presents the authors' work on allowing the DXC compiler to be built into a static library for Linux, MacOS, and Windows additionally presents how to remove it's possible to replace the dependency on DXIL.dll for shader signing
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the presentation shows an overview of the Slang shading language presents how it fits into the ecosystem, what features are supported, and what additional capabilities it brings to shader authors shows how the integrated automatic differentiation can be used for different use cases
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the video explains Forward+ shading techniques shows how to express frustum culling, how compute shader allows the workload to be expressed additionally presents how to use RenderDoc to visualize the involved data
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the paper presents a novel approach to the Point Splatting rendering technique the presented approach uses multi-layered feature maps that are processed with a neural network to generate the final output
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the blog post presents a frame investigating into a frame of the game syndicate from 2012 shows the different rendering passes and provides an overview of the techniques used in each pass
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the video explains a compression technique developed for height field compression covering quantization, quadtree, delta encoding, as well as linear regression source code as a Godot implementation is provided
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the blog post describes the observer correlation and coupling that is introduced into computer graphics through the use of RGB rendering explains physical definitions of terms and how the rendering definitions introduce these inherent limitations compared to spectral definitions
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the blogpost discusses the changes AMD made to LLVM these changes might indicate hardware changes coming for the upcoming RDNA4 generation
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the video introduces a new Vulkan tutorial the video focuses on the introduction of the audience, software/hardware requirements shows how to set up Vulkan and create a window
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the article presents updates in HIP (Heterogeneous-compute Interface for Portability) Raytracing implementation presents how multi-level instancing allows reduction of memory usage additionally discusses BVH construction speed improvements
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the video provides an in-depth explanation of why LOD (Level of Detail) for 3D models helps to improve rendering performance shows how the hardware pipeline is organized, what data GPUs are optimized, and how different workloads cause different bottlenecks explains all stages of the pipeline involved and provides additional reading sources
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the article presents the start into a series of explaining BC (DDS, Block Compression) formats this part shows how to build a working BC4 compressor explains each step and discusses the limitations of the presented techniques
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the new Vulkan extension allows developers to express local dependencies between sub-passes so that drivers can stay on-chip memory for tiled hardware blog post explains the extensions, how to post existing applications to use the new extension
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Khronos released two new SPIR-V extensions the first extension guarantees reconvergence behavior to require the behavior many programmers' intuition assumed to work additionally, a new extension allows correct divergence handling within a quad the blog post explains the previous issues and how the extension solves them
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the blog post describes the history of Portals and BSP trees expands the ideas to more modern concepts and suggests the applicability of GPU based solutions
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the article presents issues with moving averages and suggests using binomial averages instead shows data examples to highlight the issues and explain in frequency domain why they happen
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the article shows how PIX can be used to debug WebGPU applications shows what is required to attach PIX, get debug-marker output, as well as frequent issues
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the author discusses a method to use indirect drawing to draw a dynamic number of instances of each type on the GPU The article provides an overview of the implementation (with code examples) additionally provides a couple of optimizations and future development steps
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the blog post provides a detailed walkthrough of the implementation of a caustics effect using WebGL shows the different elements the effect is made up of and how to simulate the different phenomena intermediate samples are presented as interactive WebGL examples
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the article presents an overview of mesh shaders and amplification shaders shows the considerations and constraints on RDNA2/3 hardware showcases the tools available to profile the different stages and identify bottlenecks
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the article presents a detailed look at implementing a mesh shader based rendering pipeline each step is accompanied by performance numbers on Nvidia and AMD shader code samples are provided
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the author presents an alternative method to calculate the previous frame screen space position given a world space position this technique doesn't rely on projection matrices
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the blog post introduces a new GPU-based debugging tool to make finding shader issues easier allows the detection of out-of-bounds access, resource-bound validation, NAN detection, concurrency validation, and more works with Vulkan and D3D12 on both AMD and Nvidia GPUs
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the video provides an overview and introduction to machine learning from a game development perspective explaining the standard terms, intuition, building an example network, and finally running the example network using D3D12 the example code is provided
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the article presents a method to construct rhombic dodecahedral honeycomb elements from an integer grid shows an example of an SDF represented using the method presents how to generate the mesh surfaces additionally presents some ideas on what the method might be used for
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the article explains the packing rules for Constant buffers when used with D3D11/D3D12 provides examples of different structures shows visually how the different members are packed into memory
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the article provides an overview of GPU sorting algorithms provides high-level comparisons between the techniques links to papers and implementations of the techniques are provided
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the article discusses how to implement a printf statement that can be used from a shader presents a workaround that allows HLSL 2021 to convert strings into a char array for writing into a buffer code examples are presented with HLSL and D3D12
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the article presents a walkthrough on the steps required to generate simplex noise shows a comparison between texture and function-based noise generation additionally presents steps required to ensure that noise is tileable
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the article discusses the portability of different methods to calculate noises/hashes across GPUs comparing methods to calculate, float, int, and functions as well as sampling differences
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the video provides an overview of different tessellation modes visually explains where the tessellation is applied and how different modes subdivide differently code examples are provided with OpenGL
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the video tutorial shows how to create a water surface through the use of vertex displacement the effect is implemented using a visual shader editor using Unity and Unreal
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the article discusses the complexities of using operations on the surface of a sphere presents issues of different encodings and extra difficulties with operations such as rotations, precision, distortions, etc.
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the article presents how to accurately calculate the average of a set of quaternions shows issues with a common method, why these errors happen, and how to improve it visually shows the improved method
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ACM has released the video recording for the SIGGRAPH 2023 courses a large number of topics such as USD, WebGPU, Vulkan raytracing, and many more
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ACM released the video recording of the Siggraph course on the introduction to ReSTIR the full ~3h30 video is available for streaming & download covering from the basics to practical integration into Cyberpunk
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the Digitial Foundry interview with a Technical Director and Lead Graphics Programmer from the Alan Wake 2 team discusses engine changes, mesh shader usage, ray tracing design, memory optimizations, etc. the full interview is ~50 minutes long
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the video tutorial presents several use cases that vertex offset enables shows how to implement the techniques in Unity and Unreal Engine
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the article presents an overview of recent advances in light transport and compute graphics algorithms shows noise reduction techniques, screen space-based GI techniques as well as displacement mapping with continuous LODs
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the paper presents a method to estimate HDR EnvironmentMap (Chrome Ball) from a single input image shows how the LDR diffusion model was trained, what insights enable better estimation as well as how to generate HDR sphere source code and example implementation are available
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the article presents how different shader constructs are converted into instruction on RDNA2 shows the impact on code generation that small changes can have what can be optimized by today's compilers and what cannot be optimized
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the article discusses a technique that calculates the transformation required between a known base and target position applies this technique to a 3D cloth simulation to calculate the shading tangent and normals
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the article discusses how to generate LODs using a meshlet-based Directed Acyclic Graph approach talks about the data structure, the approach, and implementation details of the model mentions considerations for choosing meshlet sizes as well as LOD selection using the graph
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the video provides a great visual breakdown of the rendering pipeline covers how scenes are represented, how the source triangles are transformed, rasterized, and shaded to finally appear on screen additionally provides a small overview of more recent techniques such as ray-tracing and DLSS
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the article provides an overview of different heuristics to choose from when building a BVH for raytracing compares the ray tracing performance of the heuristics in a test scene additionally provides ideas for future research in the area
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the article provides a walkthrough of the practical tweaks and tricks used to implement a ReStir-based global illumination system into a research framework discusses the caching strategies, light leaking improvements, and performance optimizations
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the article provides insights into how to convert OpenImageDenoise into HLSL compute shaders shows a high-level overview of the technique presents a couple of steps to reduce the performance cost
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the blog post is the beginning of a series covering mesh shaders and how they map to the RDNA hardware explains the classical pipeline and how the mesh shading pipeline differs presents which AMD hardware stages are used to implement the stages additional presents how amplification shaders can be used to represent dynamic workloads
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the article provides an in-depth look at understanding shader occupancy on RDNA hardware shows what occupancy is, what factors could limit it, and how to observe the actual occupancy presents how to improve occupancy additionally, it presents pointers to detect cases when more occupancy might not be beneficial
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the article presents techniques to help identify the performance cost of shaders created from unreal shader graphs shows how to see the generated instructions additionally, it presents a couple of examples to optimize the generated shaders
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the article presents a shader function that uses wave intrinsic to calculate interpolation of the result of lane-dependent calculations across lanes shows step-by-step how the shader is structured additionally presents how to take advantage of SPIR-V inline to further improve the generated code
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the article provides an overview of the implementation of a render graph implementation presents how the implementation uses versioned resources to structure the order of render passes shows how the execution order of the render graph is established additionally, it discusses how unused render passes are removed
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the blog discusses the implementation of Vulkan video decoding to get the first frame of a video shows the steps necessary, from loading a file to unpacking the mp4 to actually decoding a first frame discusses pitfalls encountered along the way additionally, it presents a collection of other resources used to get to the stage
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the paper presents a retelling of the Surface Gradient Bump Mapping Framework paper from the author's perspective shows what normal maps are, how they encode information, and what the difference between object and tangent space is discusses issues with blending normals from different sources and how the alternative representation can achieve better-blending results
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the blog post discusses how GPU-based animation for large crowds is implemented presents how the animations are structured, driven on the GPU, and acceleration structures for ray-tracing are generated additionally presents how skeleton instancing can be used to reduce animation costs while still allowing object variations
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year-end video that discusses the standout graphical games of the year presents demonstrations of the effects of the game-nominated shows the top 3 picks for best-looking games of the year and presents the reasoning for the choices
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the blog post aims to introduce and explain the ReSTIR technique with a focus on implementation and intuition instead of the underlying theory shows how to start with a first implementation and expand it to implement shadows additionally shows how to take advantage of temporal and spatial data to reduce noise
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the article presents a breakdown of the primary render passes of the Knockout City frame provides a high-level overview of the rendering techniques used, what existing techniques they are based on, and how they modified the techniques to fit the requirements of the game
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the blog post collects advice on how to achieve the most stable presentation results when using DXGI presents what flags to set, how to size the queues, and how to make sure the results stay consistent after window/resolution resizes
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the blog post presents an overview of the FSR3 SDK improvements shows the debug display modes to help during implementation additionally shows how it's possible to run workloads on one queue to make initial implementation easier
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the article discusses several ways to query the driver version and how to interpret the results presents how to query the information with AMD, and Nvidia-specific API and the API standard way exposed by D3D12 and Vulkan
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the interview between DigitialFoundry and some of the developers of the developers from Massive provides insights into the implementation of the game discussing raytracing, GI, GPU rendering pipeline, and many more topics also provides into the CPU side structure as well as PSO management
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the article presents how to use Simplygon to generate micro-meshes (base structure + displacement information) shows examples of what kind of results can be expected from different settings and how it affects memory usage and quality presents how the way a model has been created can affect the base resolution vs. tesselation amount to achieve high-quality results
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the blog provides an introduction to fluid dynamics and rendering the implementation is explained with the growing sophistication of the simulation an interactive WebGL demo of each stage is provided closes with how to apply temperature to color space conversion to enable a first completed fire simulation
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the video tutorial explains how to sample textures from a vertex shader explaining the quality difference and how the mesh vertex distribution and the texture content can significantly affect the quality of the result additionally presents the different strategies that are available for the selection of varying texture MIP levels
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the blog presents a walkthrough of the author's R&D process when approaching the issue of generation of a scene approximation shows how to analyze the constraints, develop a high-level intuition for the problem, and use this to explore the problem space discusses the different solutions' pros & cons and shows how to start prototyping and iterating through the process
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the blog post provides an overview of GPU programming concepts for non-graphics programmers discusses GPU architecture, how to author shaders, how to read/write data, and basics of synchronization For example, d3d11 code for an image converter is provided
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the research paper presents the performance impact of different vertex clustering (meshlets) on the efficiency of mesh shaders discusses hardware design/limitations that affect considerations when deciding on cluster sizes discusses different algorithms, providing an overview of the technique, implementation considerations, as well as performance differences source code for the meshlet generation is provided
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the presentation shows the complexity of debugging issues that cause crashes that originate from GPU issues provides an overview of available techniques and tools and how to combine them to track down issues explains the steps required to track down example crashes from The Witcher
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a small website that allows the authoring of GLSL shaders and running them on a virtual "The Sphere" located in Las Vegas contains a couple of examples as starting points
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the article provides best practices to follow when comparing WebGL and WebGPU workloads It presents how to verify the underlying API, output configuration, blend modes, and other aspects that can affect performance additionally presents how to report issues after confirming the aspects are identical
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the video provides an explanation of techniques used by rendering systems to reduce the number of objects that need to be drawn to the screen shows how frustum culling is only the first step, expand upon the idea by introducing occlusion culling explains how to use the depth buffer to improve culling further and take advantage of temporal information to further enhance culling results
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brief example blog post that presents how it's possible to use DXVK to build a native Linux elf that uses the D3D11 API shows how to integrate the necessary steps into Cmake with a SDL based application
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the video tutorial shows how to move computations from a pixel shader into a vertex shader presents two examples and uses them to show the change in visual results when moving from pixel to vertex shading frequency code examples are shown in unity and unreal visual scripting
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the blog post shows the release of the new version of the AMD GPU profiler presents the updated UI and how divergence raytracing pipelines can be visualized better
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