Hi,
on some Mac Models with Intel HD 3000 graphics flightgear showed a really nasty
flickering effect.
I had the problem with c172p and the bumpspec shader effect enabled.
After a lot of investigations I discovered that actually "size matters". I get
this kind of flickering artifacts if texture maps are larger than 2048x2048,
even with a trivial shader prog.
Unfortunately the dimensions of the textures in Aircraft/c172p/Models/Livery
fuselage-normal.png tail-normal.png wing-normal.png
are 4096x4096.
Please resize these textures to 2048x2048, since we do not loose to much eye
candy anyway.
Greetings,
Olaf
BTW:
GL_MAX_TEXTURE_SIZE is 8192 according to
https://developer.apple.com/graphicsimaging/opengl/capabilities/GLInfo_1072.html
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