Tag Archives: SIGGRAPH

“On-chip” lighting presented at SIGGRAPH Mobile 2013

On chip deferred lighting

On chip deferred lighting

Sam Martin from Geomerics gave at joint talk with ARM during the SIGGRAPH Mobile track this July. The talk, “Challenges with High Quality Mobile Graphics” [pdf], presented new ways to perform efficient dynamic lighting on tile-based GPUs. Using a development board and experimental driver extensions provided by ARM, Geomerics developed “on-chip” alternatives to the traditional but bandwidth-heavy deferred lighting rendering technique. We compared the performance and bandwidth utilisation of these new techniques against a regular off-chip deferred rendering using the recent MRT support in OpenGL ES 3.0, and a forward renderer. We find the bandwidth and power savings of on chip lighting are considerable, saving at least 1 GB/s in a conservative 720p resolution scenario, and much more at higher screen resolutions. We anticipate these techniques becoming available more widely inside the next year.

Geomerics to present as part of SIGGRAPH Mobile 2012

Sam Martin from Geomerics will be giving a talk at this year’s SIGGRAPH conference, as part of their new SIGGRAPH Mobile track. He will be discussing the state of the art in dynamic lighting on mobile devices, and which additional hardware and API features would make the most useful advances.

Enlighten Palace

Also at SIGGRAPH, Geomerics will also showing their recent work with ARM’s Mali GPUs on the expo floor as part of ARM’s stand (550, just opposite Pixar).

If you are attending SIGGRAPH and would like to meet up, please either drop by the ARM booth or email [email protected] to arrange a meeting.

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