OpenGL, Dupli-Objects draw without shading. #45153
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Reference: blender/blender#45153
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This report is the same error exposed in #45117 but in this case its not a regression (Happens in 2.73 as well).
Open the attached file, and notice how the circled object becomes flat-shaded-grey on redraw.
dupli_bug1.blend (apparently only happens with NVidia drivers, see #45117 for details).
Looked into this further, Turns out this is caused by calling
glDrawElementsinside a display list (glNewList/glEndList),So this might have to be moved into OpenGL-Errors.
Changed status to: 'Open'
Added subscriber: @ideasman42
Generally, I've found in an older similar report that the driver does not like setting up buffers and not using them. So if we can avoid that we can probably solve the problem.
More info, looks like the driver messes up when compiling the display list. If we add GPU_normal_setup in loose edge drawing, the error goes away. However I am intrigued because error does not happen in
939948cI opened a ticket with NVIDIA, not sure if they'll respond (unfortunately needs login to access)
Added subscriber: @MikeErwin
Changed status from 'Open' to: 'Archived'