Image:Kilgarddorbie4.png

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[edit] Summary

A montage of 4 screenshots of OpenGL demo programs to show technical features. Top left- patchy planar reflections, top right- underwater caustics, bottom left- virtualized light sources, bottom right- reflections and shadows using the stencil buffer. Three images were created by Mark Kilgard using GLUT and one by Angus Dorbie to accompany a descriptions by Mark Kilgard. I believe fair use protects their use as these are already widely and freely distributed and available with source code for technical illustrative purposes. The montage was assembled by the submitter who is the author of one image and helped Mark generate one of the others, and they were all originally created for free dissemination and education, including redistributable code.

[edit] Licensing

This is a screenshot of copyrighted computer software, and the copyright for its contents is most likely held by the author(s) or the company that created the software. It is believed that the use of a limited number of web-resolution screenshots:

for identification of and critical commentary on the software in question
in the absence of a free alternative,
on the English-language Wikipedia, hosted on servers in the United States by the non-profit Wikimedia Foundation,

…qualifies as fair use under United States copyright law. Any other uses of this image, on Wikipedia or elsewhere, may be copyright infringement. See Wikipedia:Non-free content for more information.

To the uploader: please add a detailed fair use rationale for each use, as described on Wikipedia:Non-free use rationale guideline, as well as the source of the work and copyright information.

If this is a screenshot of free software (GPL, BSD, etc.) do not use this template! Use the license tag that correspond to the license instead, optionally alongside {{Free screenshot}} to categorize as a free screenshot.

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	Date/Time	Dimensions	User	Comment
current	09:06, 28 May 2007	643×475 (168 KB)	Dorbie (Talk \| contribs)	(A montage of 4 screenshots of OpenGL demo programs to show technical features. Top left- patchy planar reflections, top right- underwater caustics, bottom left- reflections and shadows using the stencil buffer, bottom right- virtualized light sources. Two)