RedBeard Posted June 28, 2019 Share Posted June 28, 2019 I noticed a considerable lag with a custom round brush that utilizes Shape Jitter. Here is a video showing the difference with Shape Jitter turned on and off. It doesn't make a difference what is set to control the jitter (tilt, pressure, angle) The document is letter size (2550x3300) in pixel persona System Specs OS: Mojave 10.14.5 Model: MacBook Pro 15-inch, Mid 2015 Processor: Intel Core i7 2.8 GHz Graphics: AMD Radeon R9 M370X 2 GB Intel Iris Pro 1536 MB Memory: 16 GB 1.7.1 Shape jitter Lag.mov Quote Link to comment Share on other sites More sharing options...
Staff MEB Posted July 2, 2019 Staff Share Posted July 2, 2019 Hi RedBeard, Welcome to Affinity Forums Do you mind attaching the custom brush in question for us to take a look please? Thanks. Quote A Guide to Learning Affinity Software Link to comment Share on other sites More sharing options...
RedBeard Posted July 3, 2019 Author Share Posted July 3, 2019 Sure. Here you go. RedBeard Brush.afbrushes Quote Link to comment Share on other sites More sharing options...
Staff Sean P Posted July 19, 2019 Staff Share Posted July 19, 2019 Hi RedBeard, Can you go to Preferences > Performance and see if 'Enable Metal compute acceleration' is enabled please. If not, tick this and your brush drawing speeds should be much improved! Quote Link to comment Share on other sites More sharing options...
RedBeard Posted July 19, 2019 Author Share Posted July 19, 2019 9 hours ago, Sean P said: Hi RedBeard, Can you go to Preferences > Performance and see if 'Enable Metal compute acceleration' is enabled please. If not, tick this and your brush drawing speeds should be much improved! Unfortunately 'Enable Metal compute acceleration' was already turned on. Quote Link to comment Share on other sites More sharing options...
RedBeard Posted August 20, 2019 Author Share Posted August 20, 2019 Problem still exists in 1.7.2 Quote Link to comment Share on other sites More sharing options...
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