An introduction to ray tracing
An introduction to ray tracing
ARTS: accelerated ray-tracing system
Tutorial: computer graphics; image synthesis
Illumination for computer generated pictures
Seminal graphics
An improved illumination model for shaded display
Communications of the ACM
SaarCOR: a hardware architecture for ray tracing
Proceedings of the ACM SIGGRAPH/EUROGRAPHICS conference on Graphics hardware
Proceedings of the ACM SIGGRAPH/EUROGRAPHICS conference on Graphics hardware
On the efficiency of ray-shooting acceleration schemes
SCCG '02 Proceedings of the 18th spring conference on Computer graphics
Interactive Distributed Ray Tracing of Highly Complex Models
Proceedings of the 12th Eurographics Workshop on Rendering Techniques
Realtime ray tracing of dynamic scenes on an FPGA chip
Proceedings of the ACM SIGGRAPH/EUROGRAPHICS conference on Graphics hardware
Reconfigurable Designs for Ray Tracing
FCCM '01 Proceedings of the the 9th Annual IEEE Symposium on Field-Programmable Custom Computing Machines
RPU: a programmable ray processing unit for realtime ray tracing
ACM SIGGRAPH 2005 Papers
Ray tracing animated scenes using coherent grid traversal
ACM SIGGRAPH 2006 Papers
Exploring the use of ray tracing for future games
Proceedings of the 2006 ACM SIGGRAPH symposium on Videogames
Ray tracing on programmable graphics hardware
SIGGRAPH '05 ACM SIGGRAPH 2005 Courses
An FPGA-based Pentium® in a complete desktop system
Proceedings of the 2007 ACM/SIGDA 15th international symposium on Field programmable gate arrays
Ray Tracing from the Ground Up
Ray Tracing from the Ground Up
Using FPGAs to Supplement Ray-Tracing Computations on the Cray XD-1
HPCMP-UGC '07 Proceedings of the 2007 DoD High Performance Computing Modernization Program Users Group Conference
Toward a multicore architecture for real-time ray-tracing
Proceedings of the 41st annual IEEE/ACM International Symposium on Microarchitecture
A parallel algorithm for construction of uniform grids
Proceedings of the Conference on High Performance Graphics 2009
Ray tracing on a cell cluster for virtual environments
Proceedings of the 2009 Computer Graphics International Conference
GridRT: A Massively Parallel Architecture for Ray-Tracing Using Uniform Grids
DSD '09 Proceedings of the 2009 12th Euromicro Conference on Digital System Design, Architectures, Methods and Tools
A massively parallel hardware architecture for ray-tracing
International Journal of High Performance Systems Architecture
Parallel processing of intersections for ray-tracing in application-specific processors and GPGPUs
Microprocessors & Microsystems
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Real time rendering of three-dimensional scenes in high photorealistic details is a hard task, such as in the ray tracing rendering algorithm. In general, the performance achieved by a sequential software-based implementation of ray tracing is far from satisfactory. However, parallel implementations of ray tracing have been enabling reasonable real time performance, as the algorithm is embarrassingly parallel. Thus, a custom parallel design in hardware is likely to achieve an even higher performance. In this paper, we propose a hardware parallel architecture capable of dealing with the main desirable features of ray tracing, such as shadows and reflection effects, imposing low area cost and a promising rendering performance. Such architecture, called GridRT, is based on the Uniform Grid acceleration structure and is intended to deliver massive parallelism through parallel ray-triangle intersection tests as well as parallel processing of many rays. A hardware implementation of the proposed architecture is presented, together with some performance results and resources requirements. The rendering is reduced by 80% using a grid configuration of eight processing elements.