Limit UBO size in WebGL;
Limit UBO size in WebGL;

Currently glBindBufferRange does not seem to work properly if the
offset is bigger than the maximum size of a uniform buffer.  The
size of the draw data buffer is being limited as a workaround.

bjornbytes/lovr,bjornbytes/lovr,bjornbytes/lovr,bjornbytes/lovr,bjornbytes/lovr