[PDF][PDF] Architecture considerations for tracing incoherent rays

T Aila, T Karras - Proceedings of the Conference on High Performance …, 2010 - cs.cmu.edu
This paper proposes a massively parallel hardware architecture for efficient tracing of
incoherent rays, eg for global illumination. The general approach is centered around …

Sorted deferred shading for production path tracing

C Eisenacher, G Nichols, A Selle… - Computer Graphics …, 2013 - Wiley Online Library
Ray‐traced global illumination (GI) is becoming widespread in production rendering but
incoherent secondary ray traversal limits practical rendering to scenes that fit in memory …

Treelet prefetching for ray tracing

YH Chou, T Nowicki, TM Aamodt - Proceedings of the 56th Annual IEEE …, 2023 - dl.acm.org
Ray tracing is traditionally only used in offline rendering to produce images of high fidelity
because it is computationally expensive. Recent Graphics Processing Units (GPUs) have …

Tracing of shader-generated ray groups using coupled intersection testing

JA McCombe, RR Salsbury, LT Peterson - US Patent 8,237,711, 2012 - Google Patents
US PATENT DOCUMENTS 4,625,289 A 11, 1986 Rockwood 5,313,568 A 5, 1994 Wallace
5,933,146 A 8/1999 Wrigley 5,973,699 A 10, 1999 Kent 5.990, 896 A 11/1999 Barrus …

Efficient stack-less bvh traversal for ray tracing

M Hapala, T Davidovič, I Wald, V Havran… - Proceedings of the 27th …, 2011 - dl.acm.org
We propose a new, completely iterative traversal algorithm for ray tracing bounding volume
hierarchies that is based on storing a parent pointer with each node, and on using simple …

[PDF][PDF] Reduced precision hardware for ray tracing

S Keely - Proc. High-Performance Graphics, 2014 - eng.utah.edu
Reduced Precision Hardware for Ray Tracing Page 1 Reduced Precision Hardware for Ray
Tracing Sean Keely University of Texas, Austin Page 2 Question Why don’t GPU’s accelerate …

Architectures for parallelized intersection testing and shading for ray-tracing rendering

LT Peterson, JA McCombe, RR Salsbury… - US Patent …, 2010 - Google Patents
Ray tracing scenes is accomplished using a plurality of inter section testing resources
coupled with a plurality of shading resources, communicative in the aggregate through …

Cache-oblivious ray reordering

B Moon, Y Byun, TJ Kim, P Claudio, HS Kim… - ACM Transactions on …, 2010 - dl.acm.org
We present a cache-oblivious ray reordering method for ray tracing. Many global
illumination methods such as path tracing and photon map** use ray tracing and generate …

Ray tracing system architectures and methods

LT Peterson, JA McCombe, RR Salsbury… - US Patent …, 2011 - Google Patents
Aspects comprise Systems implementing ray tracing func tionality according to example
architectures. In one example, rays are collected into collections against elements of an …

Multi bounding volume hierarchies

M Ernst, G Greiner - 2008 IEEE Symposium on Interactive Ray …, 2008 - ieeexplore.ieee.org
Efficient tracing of single and incoherent rays is still a challenge in computer graphics.
Coherent packet tracing has reached real-time performance, but ray packets bring about …