Ray Tracey's blog

Quasi-random, more or less unbiased blog about real-time photorealistic GPU rendering

Monday, January 18, 2016

GPU path tracing tutorial 3: GPU-friendly Acceleration Structures. Now you're cooking with GAS!

(In case you were wondering, my pun-loving girlfriend came up with the title for this post). This tutorial is the longest, but most crucial...

Tuesday, December 1, 2015

GPU path tracing tutorial 2: interactive triangle mesh path tracing

While the tutorial from the previous post was about path tracing simple scenes made of spheres, this tutorial will focus on how to build a ...

Monday, October 5, 2015

GPU path tracing tutorial 1: Drawing First Blood

In early 2011 I developed a simple real-time path traced Pong game together with Kerrash on top of an open source GPU path tracer called t...

Tuesday, August 18, 2015

FireRays, AMD's OpenCL based high performance ray tracing renderer

Pretty big news for GPU rendering: about 6 years after Nvidia released the source code of their high performance GPU ray tracing kernels a...

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About Me

Sam Lapere: Passionate about real-time photoreal rendering with path tracing. Unreal developer. Previously scientific visualization developer, product manager and QA lead at NVIDIA, scientific visualization team manager at the EPFL Blue Brain Project, co-founder and technical director at Lightspeed Graphics NZ, project lead at Auckland Uni, PM for OctaneRender and driving the creative direction behind the Brigade real-time path tracing for games research project , photoreal 3D graphics consultant, medical imaging researcher and M.D. My tutorial series on GPU path tracing on GitHub. Check my Youtube channel with pioneering research into real-time path tracing (2011-2013). If you want to know more about why I started this blog, read this inverview from Nov 2013 in which I talked about my vision of CGI.

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