The program works when run on my android device, and works if I remove the "core" of the GLSL-ES shader (so that it always returns white) so I believe that there is an error somewhere in the OpenGL ES driver.
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Error linking program: ERROR:CUSTOM-34 (fragment shader, line -1) Compiler stack overflow
I do not have a X server running because I do not have a screen attached, but I am instead creating a context via this method: https://benosteen.wordpress.com/2012/04 ... x-windows/.
Where can I report driver bugs, and how can I investigate this issue further - are there any source codes or documentation regarding the GLSL compiler for the VideoCore IV.
My Pi is a 2 B.