ThinMatrix | OpenGL Tutorial 54: Occlusion Queries @ThinMatrix | Uploaded July 2017 | Updated October 2024, 17 hours ago.
Tutorial about OpenGL occlusion queries with an example of how they can be used for lens flare effects.

Try out the runnable demo (Windows only):
dropbox.com/s/86kh0p7usc2dwoz/Demo.jar?dl=0

Starting code download (needs to be set up in a project with lwjgl.jar, lwjgl_utils.jar, and PNGDecoder jar, as well as the relevant natives):
dropbox.com/sh/syn3i78zfup6oki/AADoo9mfYxSabCpjZXQ5cbAJa?dl=0

Finished Code:
dropbox.com/sh/qkzbzfyltc3kjdx/AACOUY8kkwb5sjXknb_rWbsma?dl=0

Finished Code on GitHub:
github.com/TheThinMatrix/OcclusionQueries

Article about occlusion queries:
developer.download.nvidia.com/books/HTML/gpugems/gpugems_ch29.html


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