Loading A-Frame snowglobe example causes Oculus GL to run out of memory

[jdm]

This means the FxR browser stops being able to display anything:

10-02 09:50:31.451  5312  5340 W Adreno-GSL: <sharedmem_gpuobj_alloc:2417>: sharedmem_gpumem_alloc: mmap failed errno 12 Out of memory
10-02 09:50:31.451  5312  5340 E Adreno-GSL: <gsl_memory_alloc_pure:2218>: GSL MEM ERROR: kgsl_sharedmem_alloc ioctl failed.
10-02 09:50:31.452  5312  5340 W Adreno-GSL: <sharedmem_gpuobj_alloc:2417>: sharedmem_gpumem_alloc: mmap failed errno 12 Out of memory
10-02 09:50:31.452  5312  5340 E Adreno-GSL: <gsl_memory_alloc_pure:2218>: GSL MEM ERROR: kgsl_sharedmem_alloc ioctl failed.
10-02 09:50:31.453  5312  5340 W Adreno-GSL: <sharedmem_gpuobj_alloc:2417>: sharedmem_gpumem_alloc: mmap failed errno 12 Out of memory
10-02 09:50:31.453  5312  5340 E Adreno-GSL: <gsl_memory_alloc_pure:2218>: GSL MEM ERROR: kgsl_sharedmem_alloc ioctl failed.
10-02 09:50:31.455  5312  5340 W Adreno-GSL: <sharedmem_gpuobj_alloc:2417>: sharedmem_gpumem_alloc: mmap failed errno 12 Out of memory
10-02 09:50:31.455  5312  5340 E Adreno-GSL: <gsl_memory_alloc_pure:2218>: GSL MEM ERROR: kgsl_sharedmem_alloc ioctl failed.
10-02 09:50:31.456  5312  5340 W Adreno-GSL: <sharedmem_gpuobj_alloc:2417>: sharedmem_gpumem_alloc: mmap failed errno 12 Out of memory
10-02 09:50:31.456  5312  5340 E Adreno-GSL: <gsl_memory_alloc_pure:2218>: GSL MEM ERROR: kgsl_sharedmem_alloc ioctl failed.
10-02 09:50:31.456  5312  5340 E VRB     : OpenGL Error: GL_OUT_OF_MEMORY at/Users/jdm/src/FirefoxReality/app/src/main/cpp/vrb/src/Geometry.cpp:Draw:124