Blurring Images – Part 4

Previously in this series we’ve looked at blurring an image using RenderScript, and a technique for analysing performance to work out where the bottlenecks are in the process. We found that the actual bur operation was extremely quick in RenderScript, but we did have an overhead of marshalling bitmaps from the Java memory space across…

Blurring Images – Part 3

In the previous article we took a look at wiring up our blur method so that it was appended to the layout phase to ensure that it was called only following a layout change, and not in onDraw(). So why shouldn’t we call it in onDraw()? In this article we’ll perform some benchmarking which will…