Comment # 3
on bug 108340
from wietse.jorissen@gmail.com
Created attachment 142915 [details]
Recurring error in trace file replay in qapitrace
I've now installed qapitrace (sudo apt-get install apitrace-gui) and can now
look into what errors are being listed after I replay the trace therein.
Then I tried delving deeper into the error messages and think I may have at
least found something relevant. But I'm quite out of my element here.
In the attached screenshot, you can see it lists 4 errors regarding "array
index must be a scalar". These errors seem to refer to a glShaderSource call
for a GL_FRAGMENT_SHADER, shader string 0, at lines 65,98,99 and 100.
What these four lines have in common is that they all use the same value to
address a certain index in an array:
ivec4(u_xlati12)
For line 65 it's unity_Builtins0Array and for 98,99 and 100 it's
unity_Builtins0Array.
So now the question is, what is the value of ivec4(u_xlati12) and what
generates it, to find out what is causing it.
The error is repeated quite often, and it's always that index.
The fact that I can also see variables named _OcclusionStrength and
_OcclusionMap at least makes me think I'm looking in the right direction.
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