Chrome/Linux/Mesa: No ground, just water

[riking]

chrome://gpu:

Graphics Feature Status
 Canvas: Software only, hardware acceleration unavailable
 Flash: Hardware accelerated
 Flash Stage3D: Hardware accelerated
 Flash Stage3D Baseline profile: Hardware accelerated
 Compositing: Hardware accelerated
 Multiple Raster Threads: Enabled
 Rasterization: Software only. Hardware acceleration disabled
 Video Decode: Software only, hardware acceleration unavailable
 Video Encode: Hardware accelerated
 WebGL: Hardware accelerated
Driver Bug Workarounds
 clear_uniforms_before_first_program_use
 count_all_in_varyings_packing
 disable_gl_path_rendering
 disable_post_sub_buffers_for_onscreen_surfaces
 init_gl_position_in_vertex_shader
 init_vertex_attributes
 remove_pow_with_constant_exponent
 scalarize_vec_and_mat_constructor_args
 use_current_program_after_successful_link
 use_virtualized_gl_contexts

Driver Information
Initialization time 94
In-process GPU  false
Sandboxed   true
GPU0    VENDOR = 0x10de, DEVICE= 0x1346
GPU1    VENDOR = 0x8086, DEVICE= 0x1616
Optimus true
AMD switchable  false
Driver vendor   Mesa
Driver version  10.5.9