Nat Riddle Posted March 22, 2021 Share Posted March 22, 2021 (edited) I recently updated to Affinity Photo 1.9.1.979, from the Microsoft Store. I had no problems with the previous version, but this version has a strange problem: Whenever I perform an action such as a Merge Down on an effects layer, committing a Live Projection Layer, exporting a picture as a .jpeg, or similar actions involving rasterization, random pixels (often in thin rectangles) are rendered. The pixels appear to contain information from the previous history layer. For example, after making a picture darker and merging down the layer, there may appear pixels that are still as dark as the original layer. Or when making an edit involving a projection layer and then removing the layer, there may appear pixels that are transparent. Attached is an example. The original picture (with a disabled brightness adjustment), then darkened and merged with the brightness adjustment, contains a few pixels that are still the original brightness (which can be seen by the history brush). This happens with many other operations. This is a critical hinderance to my workflow, slowing me down by having to use trial-and-error and undo-redo until the pictures render properly. Any attention or support appreciated! Edited March 22, 2021 by Nat Riddle Pictures were out of order, which was misleading - I actually darkened the image, not brightened it Quote Link to comment Share on other sites More sharing options...
Staff MEB Posted March 24, 2021 Staff Share Posted March 24, 2021 Hi @Nat Riddle, Welcome to Affinity Forums Go to menu Edit > Preferences in Affinity Photo, Performance section and untick Enable OpenCL compute acceleration then try to perform these same actions again. Does the artifacts issues still persist? Nat Riddle 1 Quote A Guide to Learning Affinity Software Link to comment Share on other sites More sharing options...
Nat Riddle Posted March 24, 2021 Author Share Posted March 24, 2021 Huh! They haven't reappeared so far! Well thank you! Of course, this seems like a temporary solution. Won't turning off hardware acceleration will make things, well, slower!? I had already sorta thought to change something in the performance settings, but hesitated for that reason. Plus, I never needed to do that before; this only randomly started happening when the software updated. Is there any plausible explanation? Is this on the team's end or mine, and if its the team's, can we see this being fixed in the future? Thank you all so much! ❤️ Quote Link to comment Share on other sites More sharing options...
Staff MEB Posted March 24, 2021 Staff Share Posted March 24, 2021 Hi Nat Riddle, Yes, turning it off will make things slower (similar to how the app worked up to v1.8) until we fix the issue. The latest Beta (available to all customers) already includes some fixes related with OpenCL compute acceleration and more will be included in the next one. If you are willing to give it a try and check if it fixes your issues with hardware acceleration enabled you can download it from here. Nat Riddle 1 Quote A Guide to Learning Affinity Software Link to comment Share on other sites More sharing options...
Nat Riddle Posted March 24, 2021 Author Share Posted March 24, 2021 Alrighty then! thank you for your swift and thorough help! 😎 Quote Link to comment Share on other sites More sharing options...
Staff MEB Posted March 26, 2021 Staff Share Posted March 26, 2021 You're welcome 😊 Quote A Guide to Learning Affinity Software Link to comment Share on other sites More sharing options...
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