The same scaling behaviour I have described above also persists. Whatever macOS considers "Default for display" for each monitor seems to correlate directly with Blender's viewport lag when displayed on it.Įdit: In the latest experimental build at writing - hash 54a9649e2636 - the issue is lessened but appears to persist. Returning Blender to the non-default monitor reinstates the lag. Dragging the app over (without restarting) to the default-scale monitor and manipulating the viewport is then lag-free. Setting one screen to a non-default scale factor will cause Blender to lag only on that monitor. On both monitors, at these values, Blender runs completely smoothly. For instance, my MacBook's built-in display's "Default" setting is somewhere around 150%, while my external monitor's "Default" is the standard 100%. The solution I have discovered is that Blender 2.8 runs entirely lag/jitter-free on any monitor whose scaling factor is set to "Default for display", regardless of the actual resulting scale factor of the screen. Radeon Pro 555X 4 GB + Intel UHD Graphics 630 1536 MB I have used blender for many years on a Intel D 3.330 ghz ,Nvidia 7600 Gs,2gbs with no lag what so ever.How ever on my new computer a retina Mac book with an i7 2.3 ghz,650m graphic card and 8 gbs with and SSD it lags in activety monitor it is barely using any of my CPU or GPU but it is using the dedicated graphics card. (I apologise, I do not know where to find the 2.80 hash string) I am also experiencing the same issue, even after the above patch.
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