<html>
    <head>
      <base href="https://bugs.freedesktop.org/">
    </head>
    <body>
      <p>
        <div>
            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Firefox quirks (black and/or white squares)"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=104216#c4">Comment # 4</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Firefox quirks (black and/or white squares)"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=104216">bug 104216</a>
              from <span class="vcard"><a class="email" href="mailto:germano.massullo@gmail.com" title="Germano Massullo <germano.massullo@gmail.com>"> <span class="fn">Germano Massullo</span></a>
</span></b>
        <pre>(In reply to Michel Dänzer from <a href="show_bug.cgi?id=104216#c3">comment #3</a>)
<span class="quote">> Unless this doesn't happen with the modesetting driver, it's more likely a
> Mesa issue than a Xorg driver one.</span >

dmesg says that kernel modesetting is enabled


# dmesg | grep amdgpu
[    1.841902] [drm] amdgpu kernel modesetting enabled.
[    1.878816] amdgpu 0000:01:00.0: Invalid PCI ROM header signature: expecting
0xaa55, got 0xffff
[    1.879313] amdgpu 0000:01:00.0: VRAM: 8192M 0x0000000000000000 -
0x00000001FFFFFFFF (8192M used)
[    1.879315] amdgpu 0000:01:00.0: GTT: 8192M 0x0000000200000000 -
0x00000003FFFFFFFF
[    1.879657] [drm] amdgpu: 8192M of VRAM memory ready
[    1.879658] [drm] amdgpu: 8192M of GTT memory ready.
[    1.880899] amdgpu 0000:01:00.0: amdgpu: using MSI.
[    1.880915] [drm] amdgpu: irq initialized.
[    2.037947] amdgpu: [powerplay] amdgpu: powerplay sw initialized
[    2.038628] amdgpu 0000:01:00.0: fence driver on ring 0 use gpu addr
0x0000000200000008, cpu addr 0xffff8f75269ff008
[    2.038678] amdgpu 0000:01:00.0: fence driver on ring 1 use gpu addr
0x0000000200000018, cpu addr 0xffff8f75269ff018
[    2.038712] amdgpu 0000:01:00.0: fence driver on ring 2 use gpu addr
0x0000000200000028, cpu addr 0xffff8f75269ff028
[    2.038751] amdgpu 0000:01:00.0: fence driver on ring 3 use gpu addr
0x0000000200000038, cpu addr 0xffff8f75269ff038
[    2.038785] amdgpu 0000:01:00.0: fence driver on ring 4 use gpu addr
0x0000000200000048, cpu addr 0xffff8f75269ff048
[    2.038821] amdgpu 0000:01:00.0: fence driver on ring 5 use gpu addr
0x0000000200000058, cpu addr 0xffff8f75269ff058
[    2.038855] amdgpu 0000:01:00.0: fence driver on ring 6 use gpu addr
0x0000000200000068, cpu addr 0xffff8f75269ff068
[    2.038892] amdgpu 0000:01:00.0: fence driver on ring 7 use gpu addr
0x0000000200000078, cpu addr 0xffff8f75269ff078
[    2.038926] amdgpu 0000:01:00.0: fence driver on ring 8 use gpu addr
0x0000000200000088, cpu addr 0xffff8f75269ff088
[    2.038946] amdgpu 0000:01:00.0: fence driver on ring 9 use gpu addr
0x000000020000009c, cpu addr 0xffff8f75269ff09c
[    2.039097] amdgpu 0000:01:00.0: fence driver on ring 10 use gpu addr
0x00000002000000ac, cpu addr 0xffff8f75269ff0ac
[    2.039139] amdgpu 0000:01:00.0: fence driver on ring 11 use gpu addr
0x00000002000000bc, cpu addr 0xffff8f75269ff0bc
[    2.039657] amdgpu 0000:01:00.0: fence driver on ring 12 use gpu addr
0x000000000122d420, cpu addr 0xffffbab80285a420
[    2.039830] amdgpu 0000:01:00.0: fence driver on ring 13 use gpu addr
0x00000002000000dc, cpu addr 0xffff8f75269ff0dc
[    2.039864] amdgpu 0000:01:00.0: fence driver on ring 14 use gpu addr
0x00000002000000ec, cpu addr 0xffff8f75269ff0ec
[    2.079285] amdgpu: [powerplay] [AVFS] Something is broken. See log!
[    2.081178] amdgpu: [powerplay] Can't find requested voltage id in
vdd_dep_on_sclk table!
[    2.907923] fbcon: amdgpudrmfb (fb0) is primary device
[    3.211243] amdgpu 0000:01:00.0: fb0: amdgpudrmfb frame buffer device
[    3.219422] [drm] Initialized amdgpu 3.18.0 20150101 for 0000:01:00.0 on
minor 0


# cat /proc/cmdline 
BOOT_IMAGE=/boot/vmlinuz-4.13.16-302.fc27.x86_64 root=UUID=*removed* ro rd.md=0
rd.lvm=0 rd.dm=0 SYSFONT=True KEYTABLE=it LANG=en_US.UTF-8 rhgb quiet

# lsmod 
Module                  Size  Used by
bnep                   20480  2
xfs                  1187840  0
btrfs                1101824  0
xor                    24576  1 btrfs
raid6_pq              118784  1 btrfs
vfat                   20480  0
fat                    65536  1 vfat
bluetooth             516096  7 bnep
ecdh_generic           24576  1 bluetooth
rfkill                 28672  4 bluetooth
fuse                  102400  3
dm_crypt               36864  2
uas                    24576  0
usb_storage            69632  1 uas
xt_CHECKSUM            16384  1
ipt_MASQUERADE         16384  3
nf_nat_masquerade_ipv4    16384  1 ipt_MASQUERADE
tun                    32768  1
ip6t_rpfilter          16384  1
ip6t_REJECT            16384  2
nf_reject_ipv6         16384  1 ip6t_REJECT
xt_conntrack           16384  40
ip_set                 36864  0
nfnetlink              16384  1 ip_set
ebtable_nat            16384  1
ebtable_broute         16384  1
bridge                143360  1 ebtable_broute
stp                    16384  1 bridge
llc                    16384  2 bridge,stp
ip6table_nat           16384  1
nf_conntrack_ipv6      20480  21
nf_defrag_ipv6         36864  1 nf_conntrack_ipv6
nf_nat_ipv6            16384  1 ip6table_nat
ip6table_mangle        16384  1
ip6table_raw           16384  1
ip6table_security      16384  1
iptable_nat            16384  1
nf_conntrack_ipv4      16384  24
nf_defrag_ipv4         16384  1 nf_conntrack_ipv4
nf_nat_ipv4            16384  1 iptable_nat
nf_nat                 28672  3 nf_nat_ipv6,nf_nat_masquerade_ipv4,nf_nat_ipv4
nf_conntrack          131072  8
nf_conntrack_ipv6,nf_conntrack_ipv4,ipt_MASQUERADE,nf_nat_ipv6,nf_nat_masquerade_ipv4,xt_conntrack,nf_nat_ipv4,nf_nat
libcrc32c              16384  3 nf_conntrack,xfs,nf_nat
iptable_mangle         16384  1
iptable_raw            16384  1
iptable_security       16384  1
ebtable_filter         16384  1
ebtables               32768  3 ebtable_filter,ebtable_nat,ebtable_broute
ip6table_filter        16384  1
ip6_tables             28672  5
ip6table_mangle,ip6table_filter,ip6table_security,ip6table_raw,ip6table_nat
joydev                 20480  0
edac_mce_amd           28672  0
kvm_amd              2179072  0
kvm                   585728  1 kvm_amd
wmi_bmof               16384  0
ppdev                  20480  0
irqbypass              16384  1 kvm
k10temp                16384  0
snd_hda_codec_hdmi     49152  1
snd_virtuoso           49152  4
snd_hda_intel          40960  2
snd_oxygen_lib         40960  1 snd_virtuoso
snd_mpu401_uart        16384  1 snd_oxygen_lib
snd_hda_codec         126976  2 snd_hda_intel,snd_hda_codec_hdmi
snd_rawmidi            32768  1 snd_mpu401_uart
snd_hda_core           81920  3 snd_hda_intel,snd_hda_codec,snd_hda_codec_hdmi
snd_hwdep              20480  1 snd_hda_codec
snd_seq                65536  0
snd_seq_device         16384  2 snd_seq,snd_rawmidi
snd_pcm                98304  6
snd_oxygen_lib,snd_hda_intel,snd_hda_codec,snd_hda_core,snd_hda_codec_hdmi
snd_timer              32768  2 snd_seq,snd_pcm
snd                    81920  23
snd_oxygen_lib,snd_hda_intel,snd_hwdep,snd_seq,snd_hda_codec,snd_timer,snd_mpu401_uart,snd_rawmidi,snd_hda_codec_hdmi,snd_seq_device,snd_virtuoso,snd_pcm
soundcore              16384  1 snd
sp5100_tco             16384  0
wmi                    24576  1 wmi_bmof
shpchp                 36864  0
parport_pc             28672  0
parport                49152  2 parport_pc,ppdev
i2c_piix4              24576  0
acpi_cpufreq           20480  0
binfmt_misc            20480  1
amdkfd                184320  1
amd_iommu_v2           20480  1 amdkfd
amdgpu               1810432  117
serio_raw              16384  0
firewire_ohci          40960  0
firewire_core          65536  1 firewire_ohci
i2c_algo_bit           16384  1 amdgpu
crc_itu_t              16384  1 firewire_core
drm_kms_helper        159744  1 amdgpu
ttm                    94208  1 amdgpu
ata_generic            16384  0
pata_acpi              16384  0
drm                   352256  33 amdgpu,ttm,drm_kms_helper
r8169                  81920  0
pata_jmicron           16384  0
mii                    16384  1 r8169



# glxinfo
name of display: :0
display: :0  screen: 0
direct rendering: Yes
server glx vendor string: SGI
server glx version string: 1.4
server glx extensions:
    GLX_ARB_create_context, GLX_ARB_create_context_profile, 
    GLX_ARB_create_context_robustness, GLX_ARB_fbconfig_float, 
    GLX_ARB_framebuffer_sRGB, GLX_ARB_multisample, 
    GLX_EXT_create_context_es2_profile, GLX_EXT_create_context_es_profile, 
    GLX_EXT_fbconfig_packed_float, GLX_EXT_framebuffer_sRGB, 
    GLX_EXT_import_context, GLX_EXT_libglvnd, GLX_EXT_texture_from_pixmap, 
    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_INTEL_swap_event, 
    GLX_MESA_copy_sub_buffer, GLX_OML_swap_method, GLX_SGIS_multisample, 
    GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, GLX_SGIX_visual_select_group, 
    GLX_SGI_make_current_read, GLX_SGI_swap_control
client glx vendor string: Mesa Project and SGI
client glx version string: 1.4
client glx extensions:
    GLX_ARB_create_context, GLX_ARB_create_context_profile, 
    GLX_ARB_create_context_robustness, GLX_ARB_fbconfig_float, 
    GLX_ARB_framebuffer_sRGB, GLX_ARB_get_proc_address, GLX_ARB_multisample, 
    GLX_EXT_buffer_age, GLX_EXT_create_context_es2_profile, 
    GLX_EXT_create_context_es_profile, GLX_EXT_fbconfig_packed_float, 
    GLX_EXT_framebuffer_sRGB, GLX_EXT_import_context, 
    GLX_EXT_texture_from_pixmap, GLX_EXT_visual_info, GLX_EXT_visual_rating, 
    GLX_INTEL_swap_event, GLX_MESA_copy_sub_buffer, 
    GLX_MESA_multithread_makecurrent, GLX_MESA_query_renderer, 
    GLX_MESA_swap_control, GLX_OML_swap_method, GLX_OML_sync_control, 
    GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, 
    GLX_SGIX_visual_select_group, GLX_SGI_make_current_read, 
    GLX_SGI_swap_control, GLX_SGI_video_sync
GLX version: 1.4
GLX extensions:
    GLX_ARB_create_context, GLX_ARB_create_context_profile, 
    GLX_ARB_create_context_robustness, GLX_ARB_fbconfig_float, 
    GLX_ARB_framebuffer_sRGB, GLX_ARB_get_proc_address, GLX_ARB_multisample, 
    GLX_EXT_buffer_age, GLX_EXT_create_context_es2_profile, 
    GLX_EXT_create_context_es_profile, GLX_EXT_fbconfig_packed_float, 
    GLX_EXT_framebuffer_sRGB, GLX_EXT_import_context, 
    GLX_EXT_texture_from_pixmap, GLX_EXT_visual_info, GLX_EXT_visual_rating, 
    GLX_INTEL_swap_event, GLX_MESA_copy_sub_buffer, 
    GLX_MESA_multithread_makecurrent, GLX_MESA_query_renderer, 
    GLX_MESA_swap_control, GLX_OML_swap_method, GLX_OML_sync_control, 
    GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, 
    GLX_SGIX_visual_select_group, GLX_SGI_make_current_read, 
    GLX_SGI_swap_control, GLX_SGI_video_sync
Extended renderer info (GLX_MESA_query_renderer):
    Vendor: X.Org (0x1002)
    Device: AMD Radeon (TM) RX 480 Graphics (AMD POLARIS10 / DRM 3.18.0 /
4.13.16-302.fc27.x86_64, LLVM 4.0.1) (0x67df)
    Version: 17.2.4
    Accelerated: yes
    Video memory: 8165MB
    Unified memory: no
    Preferred profile: core (0x1)
    Max core profile version: 4.5
    Max compat profile version: 3.0
    Max GLES1 profile version: 1.1
    Max GLES[23] profile version: 3.1
Memory info (GL_ATI_meminfo):
    VBO free memory - total: 8165 MB, largest block: 8165 MB
    VBO free aux. memory - total: 8189 MB, largest block: 8189 MB
    Texture free memory - total: 8165 MB, largest block: 8165 MB
    Texture free aux. memory - total: 8189 MB, largest block: 8189 MB
    Renderbuffer free memory - total: 8165 MB, largest block: 8165 MB
    Renderbuffer free aux. memory - total: 8189 MB, largest block: 8189 MB
Memory info (GL_NVX_gpu_memory_info):
    Dedicated video memory: 8165 MB
    Total available memory: 16355 MB
    Currently available dedicated video memory: 8165 MB
OpenGL vendor string: X.Org
OpenGL renderer string: AMD Radeon (TM) RX 480 Graphics (AMD POLARIS10 / DRM
3.18.0 / 4.13.16-302.fc27.x86_64, LLVM 4.0.1)
OpenGL core profile version string: 4.5 (Core Profile) Mesa 17.2.4
OpenGL core profile shading language version string: 4.50
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
    GL_AMD_conservative_depth, GL_AMD_draw_buffers_blend, 
    GL_AMD_performance_monitor, GL_AMD_pinned_memory, 
    GL_AMD_seamless_cubemap_per_texture, GL_AMD_shader_stencil_export, 
    GL_AMD_shader_trinary_minmax, GL_AMD_vertex_shader_layer, 
    GL_AMD_vertex_shader_viewport_index, GL_ANGLE_texture_compression_dxt3, 
    GL_ANGLE_texture_compression_dxt5, GL_ARB_ES2_compatibility, 
    GL_ARB_ES3_1_compatibility, GL_ARB_ES3_2_compatibility, 
    GL_ARB_ES3_compatibility, GL_ARB_arrays_of_arrays, GL_ARB_base_instance, 
    GL_ARB_bindless_texture, GL_ARB_blend_func_extended, 
    GL_ARB_buffer_storage, GL_ARB_clear_buffer_object, GL_ARB_clear_texture, 
    GL_ARB_clip_control, GL_ARB_color_buffer_float, 
    GL_ARB_compressed_texture_pixel_storage, GL_ARB_compute_shader, 
    GL_ARB_compute_variable_group_size, GL_ARB_conditional_render_inverted, 
    GL_ARB_conservative_depth, GL_ARB_copy_buffer, GL_ARB_copy_image, 
    GL_ARB_cull_distance, GL_ARB_debug_output, GL_ARB_depth_buffer_float, 
    GL_ARB_depth_clamp, GL_ARB_derivative_control, GL_ARB_direct_state_access, 
    GL_ARB_draw_buffers, GL_ARB_draw_buffers_blend, 
    GL_ARB_draw_elements_base_vertex, GL_ARB_draw_indirect, 
    GL_ARB_draw_instanced, GL_ARB_enhanced_layouts, 
    GL_ARB_explicit_attrib_location, GL_ARB_explicit_uniform_location, 
    GL_ARB_fragment_coord_conventions, GL_ARB_fragment_layer_viewport, 
    GL_ARB_fragment_shader, GL_ARB_framebuffer_no_attachments, 
    GL_ARB_framebuffer_object, GL_ARB_framebuffer_sRGB, 
    GL_ARB_get_program_binary, GL_ARB_get_texture_sub_image, 
    GL_ARB_gpu_shader5, GL_ARB_gpu_shader_fp64, GL_ARB_gpu_shader_int64, 
    GL_ARB_half_float_pixel, GL_ARB_half_float_vertex, 
    GL_ARB_indirect_parameters, GL_ARB_instanced_arrays, 
    GL_ARB_internalformat_query, GL_ARB_internalformat_query2, 
    GL_ARB_invalidate_subdata, GL_ARB_map_buffer_alignment, 
    GL_ARB_map_buffer_range, GL_ARB_multi_bind, GL_ARB_multi_draw_indirect, 
    GL_ARB_occlusion_query2, GL_ARB_pipeline_statistics_query, 
    GL_ARB_pixel_buffer_object, GL_ARB_point_sprite, 
    GL_ARB_program_interface_query, GL_ARB_provoking_vertex, 
    GL_ARB_query_buffer_object, GL_ARB_robust_buffer_access_behavior, 
    GL_ARB_robustness, GL_ARB_sample_shading, GL_ARB_sampler_objects, 
    GL_ARB_seamless_cube_map, GL_ARB_seamless_cubemap_per_texture, 
    GL_ARB_separate_shader_objects, GL_ARB_shader_atomic_counter_ops, 
    GL_ARB_shader_atomic_counters, GL_ARB_shader_bit_encoding, 
    GL_ARB_shader_clock, GL_ARB_shader_draw_parameters, 
    GL_ARB_shader_group_vote, GL_ARB_shader_image_load_store, 
    GL_ARB_shader_image_size, GL_ARB_shader_objects, GL_ARB_shader_precision, 
    GL_ARB_shader_stencil_export, GL_ARB_shader_storage_buffer_object, 
    GL_ARB_shader_subroutine, GL_ARB_shader_texture_image_samples, 
    GL_ARB_shader_texture_lod, GL_ARB_shader_viewport_layer_array, 
    GL_ARB_shading_language_420pack, GL_ARB_shading_language_packing, 
    GL_ARB_sparse_buffer, GL_ARB_stencil_texturing, GL_ARB_sync, 
    GL_ARB_tessellation_shader, GL_ARB_texture_barrier, 
    GL_ARB_texture_buffer_object, GL_ARB_texture_buffer_object_rgb32, 
    GL_ARB_texture_buffer_range, GL_ARB_texture_compression_bptc, 
    GL_ARB_texture_compression_rgtc, GL_ARB_texture_cube_map_array, 
    GL_ARB_texture_float, GL_ARB_texture_gather, 
    GL_ARB_texture_mirror_clamp_to_edge, GL_ARB_texture_multisample, 
    GL_ARB_texture_non_power_of_two, GL_ARB_texture_query_levels, 
    GL_ARB_texture_query_lod, GL_ARB_texture_rectangle, GL_ARB_texture_rg, 
    GL_ARB_texture_rgb10_a2ui, GL_ARB_texture_stencil8, 
    GL_ARB_texture_storage, GL_ARB_texture_storage_multisample, 
    GL_ARB_texture_swizzle, GL_ARB_texture_view, GL_ARB_timer_query, 
    GL_ARB_transform_feedback2, GL_ARB_transform_feedback3, 
    GL_ARB_transform_feedback_instanced, GL_ARB_uniform_buffer_object, 
    GL_ARB_vertex_array_bgra, GL_ARB_vertex_array_object, 
    GL_ARB_vertex_attrib_64bit, GL_ARB_vertex_attrib_binding, 
    GL_ARB_vertex_shader, GL_ARB_vertex_type_10f_11f_11f_rev, 
    GL_ARB_vertex_type_2_10_10_10_rev, GL_ARB_viewport_array, 
    GL_ATI_blend_equation_separate, GL_ATI_meminfo, GL_ATI_texture_float, 
    GL_ATI_texture_mirror_once, GL_EXT_abgr, GL_EXT_blend_equation_separate, 
    GL_EXT_depth_bounds_test, GL_EXT_draw_buffers2, GL_EXT_draw_instanced, 
    GL_EXT_framebuffer_blit, GL_EXT_framebuffer_multisample, 
    GL_EXT_framebuffer_multisample_blit_scaled, GL_EXT_framebuffer_sRGB, 
    GL_EXT_packed_depth_stencil, GL_EXT_packed_float, 
    GL_EXT_pixel_buffer_object, GL_EXT_polygon_offset_clamp, 
    GL_EXT_provoking_vertex, GL_EXT_shader_integer_mix, GL_EXT_texture_array, 
    GL_EXT_texture_compression_dxt1, GL_EXT_texture_compression_rgtc, 
    GL_EXT_texture_compression_s3tc, GL_EXT_texture_filter_anisotropic, 
    GL_EXT_texture_integer, GL_EXT_texture_mirror_clamp, GL_EXT_texture_sRGB, 
    GL_EXT_texture_sRGB_decode, GL_EXT_texture_shared_exponent, 
    GL_EXT_texture_snorm, GL_EXT_texture_swizzle, GL_EXT_timer_query, 
    GL_EXT_transform_feedback, GL_EXT_vertex_array_bgra, 
    GL_IBM_multimode_draw_arrays, GL_KHR_context_flush_control, GL_KHR_debug, 
    GL_KHR_no_error, GL_KHR_robust_buffer_access_behavior, GL_KHR_robustness, 
    GL_MESA_pack_invert, GL_MESA_shader_integer_functions, 
    GL_MESA_texture_signed_rgba, GL_NVX_gpu_memory_info, 
    GL_NV_conditional_render, GL_NV_depth_clamp, GL_NV_packed_depth_stencil, 
    GL_NV_texture_barrier, GL_NV_vdpau_interop, GL_OES_EGL_image, GL_S3_s3tc

OpenGL version string: 3.0 Mesa 17.2.4
OpenGL shading language version string: 1.30
OpenGL context flags: (none)
OpenGL extensions:
    GL_AMD_conservative_depth, GL_AMD_draw_buffers_blend, 
    GL_AMD_performance_monitor, GL_AMD_pinned_memory, 
    GL_AMD_seamless_cubemap_per_texture, GL_AMD_shader_stencil_export, 
    GL_AMD_shader_trinary_minmax, GL_ANGLE_texture_compression_dxt3, 
    GL_ANGLE_texture_compression_dxt5, GL_APPLE_packed_pixels, 
    GL_ARB_ES2_compatibility, GL_ARB_ES3_compatibility, 
    GL_ARB_arrays_of_arrays, GL_ARB_base_instance, GL_ARB_bindless_texture, 
    GL_ARB_blend_func_extended, GL_ARB_buffer_storage, 
    GL_ARB_clear_buffer_object, GL_ARB_clear_texture, GL_ARB_clip_control, 
    GL_ARB_color_buffer_float, GL_ARB_compressed_texture_pixel_storage, 
    GL_ARB_compute_shader, GL_ARB_compute_variable_group_size, 
    GL_ARB_conditional_render_inverted, GL_ARB_conservative_depth, 
    GL_ARB_copy_buffer, GL_ARB_copy_image, GL_ARB_cull_distance, 
    GL_ARB_debug_output, GL_ARB_depth_buffer_float, GL_ARB_depth_clamp, 
    GL_ARB_depth_texture, GL_ARB_derivative_control, GL_ARB_draw_buffers, 
    GL_ARB_draw_buffers_blend, GL_ARB_draw_elements_base_vertex, 
    GL_ARB_draw_instanced, GL_ARB_explicit_attrib_location, 
    GL_ARB_explicit_uniform_location, GL_ARB_fragment_coord_conventions, 
    GL_ARB_fragment_program, GL_ARB_fragment_program_shadow, 
    GL_ARB_fragment_shader, GL_ARB_framebuffer_no_attachments, 
    GL_ARB_framebuffer_object, GL_ARB_framebuffer_sRGB, 
    GL_ARB_get_program_binary, GL_ARB_get_texture_sub_image, 
    GL_ARB_half_float_pixel, GL_ARB_half_float_vertex, 
    GL_ARB_instanced_arrays, GL_ARB_internalformat_query, 
    GL_ARB_internalformat_query2, GL_ARB_invalidate_subdata, 
    GL_ARB_map_buffer_alignment, GL_ARB_map_buffer_range, GL_ARB_multi_bind, 
    GL_ARB_multisample, GL_ARB_multitexture, GL_ARB_occlusion_query, 
    GL_ARB_occlusion_query2, GL_ARB_pipeline_statistics_query, 
    GL_ARB_pixel_buffer_object, GL_ARB_point_parameters, GL_ARB_point_sprite, 
    GL_ARB_program_interface_query, GL_ARB_provoking_vertex, 
    GL_ARB_query_buffer_object, GL_ARB_robust_buffer_access_behavior, 
    GL_ARB_robustness, GL_ARB_sample_shading, GL_ARB_sampler_objects, 
    GL_ARB_seamless_cube_map, GL_ARB_seamless_cubemap_per_texture, 
    GL_ARB_separate_shader_objects, GL_ARB_shader_atomic_counter_ops, 
    GL_ARB_shader_atomic_counters, GL_ARB_shader_bit_encoding, 
    GL_ARB_shader_clock, GL_ARB_shader_draw_parameters, 
    GL_ARB_shader_group_vote, GL_ARB_shader_image_load_store, 
    GL_ARB_shader_image_size, GL_ARB_shader_objects, GL_ARB_shader_precision, 
    GL_ARB_shader_stencil_export, GL_ARB_shader_storage_buffer_object, 
    GL_ARB_shader_texture_image_samples, GL_ARB_shader_texture_lod, 
    GL_ARB_shading_language_100, GL_ARB_shading_language_420pack, 
    GL_ARB_shading_language_packing, GL_ARB_shadow, GL_ARB_sparse_buffer, 
    GL_ARB_stencil_texturing, GL_ARB_sync, GL_ARB_texture_barrier, 
    GL_ARB_texture_border_clamp, GL_ARB_texture_compression, 
    GL_ARB_texture_compression_bptc, GL_ARB_texture_compression_rgtc, 
    GL_ARB_texture_cube_map, GL_ARB_texture_cube_map_array, 
    GL_ARB_texture_env_add, GL_ARB_texture_env_combine, 
    GL_ARB_texture_env_crossbar, GL_ARB_texture_env_dot3, 
    GL_ARB_texture_float, GL_ARB_texture_gather, 
    GL_ARB_texture_mirror_clamp_to_edge, GL_ARB_texture_mirrored_repeat, 
    GL_ARB_texture_multisample, GL_ARB_texture_non_power_of_two, 
    GL_ARB_texture_query_levels, GL_ARB_texture_query_lod, 
    GL_ARB_texture_rectangle, GL_ARB_texture_rg, GL_ARB_texture_rgb10_a2ui, 
    GL_ARB_texture_stencil8, GL_ARB_texture_storage, 
    GL_ARB_texture_storage_multisample, GL_ARB_texture_swizzle, 
    GL_ARB_texture_view, GL_ARB_timer_query, GL_ARB_transform_feedback2, 
    GL_ARB_transform_feedback3, GL_ARB_transform_feedback_instanced, 
    GL_ARB_transpose_matrix, GL_ARB_uniform_buffer_object, 
    GL_ARB_vertex_array_bgra, GL_ARB_vertex_array_object, 
    GL_ARB_vertex_attrib_binding, GL_ARB_vertex_buffer_object, 
    GL_ARB_vertex_program, GL_ARB_vertex_shader, 
    GL_ARB_vertex_type_10f_11f_11f_rev, GL_ARB_vertex_type_2_10_10_10_rev, 
    GL_ARB_window_pos, GL_ATI_blend_equation_separate, GL_ATI_draw_buffers, 
    GL_ATI_fragment_shader, GL_ATI_meminfo, GL_ATI_separate_stencil, 
    GL_ATI_texture_compression_3dc, GL_ATI_texture_env_combine3, 
    GL_ATI_texture_float, GL_ATI_texture_mirror_once, GL_EXT_abgr, 
    GL_EXT_bgra, GL_EXT_blend_color, GL_EXT_blend_equation_separate, 
    GL_EXT_blend_func_separate, GL_EXT_blend_minmax, GL_EXT_blend_subtract, 
    GL_EXT_compiled_vertex_array, GL_EXT_copy_texture, 
    GL_EXT_depth_bounds_test, GL_EXT_draw_buffers2, GL_EXT_draw_instanced, 
    GL_EXT_draw_range_elements, GL_EXT_fog_coord, GL_EXT_framebuffer_blit, 
    GL_EXT_framebuffer_multisample, GL_EXT_framebuffer_multisample_blit_scaled, 
    GL_EXT_framebuffer_object, GL_EXT_framebuffer_sRGB, 
    GL_EXT_gpu_program_parameters, GL_EXT_multi_draw_arrays, 
    GL_EXT_packed_depth_stencil, GL_EXT_packed_float, GL_EXT_packed_pixels, 
    GL_EXT_pixel_buffer_object, GL_EXT_point_parameters, 
    GL_EXT_polygon_offset, GL_EXT_polygon_offset_clamp, 
    GL_EXT_provoking_vertex, GL_EXT_rescale_normal, GL_EXT_secondary_color, 
    GL_EXT_separate_specular_color, GL_EXT_shader_integer_mix, 
    GL_EXT_shadow_funcs, GL_EXT_stencil_two_side, GL_EXT_stencil_wrap, 
    GL_EXT_subtexture, GL_EXT_texture, GL_EXT_texture3D, 
    GL_EXT_texture_array, GL_EXT_texture_compression_dxt1, 
    GL_EXT_texture_compression_latc, GL_EXT_texture_compression_rgtc, 
    GL_EXT_texture_compression_s3tc, GL_EXT_texture_cube_map, 
    GL_EXT_texture_edge_clamp, GL_EXT_texture_env_add, 
    GL_EXT_texture_env_combine, GL_EXT_texture_env_dot3, 
    GL_EXT_texture_filter_anisotropic, GL_EXT_texture_integer, 
    GL_EXT_texture_lod_bias, GL_EXT_texture_mirror_clamp, 
    GL_EXT_texture_object, GL_EXT_texture_rectangle, GL_EXT_texture_sRGB, 
    GL_EXT_texture_sRGB_decode, GL_EXT_texture_shared_exponent, 
    GL_EXT_texture_snorm, GL_EXT_texture_swizzle, GL_EXT_timer_query, 
    GL_EXT_transform_feedback, GL_EXT_vertex_array, GL_EXT_vertex_array_bgra, 
    GL_IBM_multimode_draw_arrays, GL_IBM_rasterpos_clip, 
    GL_IBM_texture_mirrored_repeat, GL_INGR_blend_func_separate, 
    GL_KHR_context_flush_control, GL_KHR_debug, GL_KHR_no_error, 
    GL_KHR_robust_buffer_access_behavior, GL_KHR_robustness, 
    GL_MESA_pack_invert, GL_MESA_shader_integer_functions, 
    GL_MESA_texture_signed_rgba, GL_MESA_window_pos, GL_NVX_gpu_memory_info, 
    GL_NV_blend_square, GL_NV_conditional_render, GL_NV_depth_clamp, 
    GL_NV_fog_distance, GL_NV_light_max_exponent, GL_NV_packed_depth_stencil, 
    GL_NV_primitive_restart, GL_NV_texgen_reflection, GL_NV_texture_barrier, 
    GL_NV_texture_env_combine4, GL_NV_texture_rectangle, GL_NV_vdpau_interop, 
    GL_OES_EGL_image, GL_OES_read_format, GL_S3_s3tc, 
    GL_SGIS_generate_mipmap, GL_SGIS_texture_border_clamp, 
    GL_SGIS_texture_edge_clamp, GL_SGIS_texture_lod, GL_SUN_multi_draw_arrays

OpenGL ES profile version string: OpenGL ES 3.1 Mesa 17.2.4
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.10
OpenGL ES profile extensions:
    GL_ANGLE_texture_compression_dxt3, GL_ANGLE_texture_compression_dxt5, 
    GL_APPLE_texture_max_level, GL_EXT_base_instance, 
    GL_EXT_blend_func_extended, GL_EXT_blend_minmax, GL_EXT_buffer_storage, 
    GL_EXT_clip_cull_distance, GL_EXT_color_buffer_float, 
    GL_EXT_compressed_ETC1_RGB8_sub_texture, GL_EXT_copy_image, 
    GL_EXT_discard_framebuffer, GL_EXT_draw_buffers, 
    GL_EXT_draw_buffers_indexed, GL_EXT_draw_elements_base_vertex, 
    GL_EXT_frag_depth, GL_EXT_geometry_point_size, GL_EXT_geometry_shader, 
    GL_EXT_gpu_shader5, GL_EXT_map_buffer_range, GL_EXT_multi_draw_arrays, 
    GL_EXT_polygon_offset_clamp, GL_EXT_primitive_bounding_box, 
    GL_EXT_read_format_bgra, GL_EXT_robustness, 
    GL_EXT_separate_shader_objects, GL_EXT_shader_integer_mix, 
    GL_EXT_shader_io_blocks, GL_EXT_tessellation_point_size, 
    GL_EXT_tessellation_shader, GL_EXT_texture_border_clamp, 
    GL_EXT_texture_buffer, GL_EXT_texture_compression_dxt1, 
    GL_EXT_texture_cube_map_array, GL_EXT_texture_filter_anisotropic, 
    GL_EXT_texture_format_BGRA8888, GL_EXT_texture_rg, 
    GL_EXT_texture_sRGB_decode, GL_EXT_texture_type_2_10_10_10_REV, 
    GL_EXT_unpack_subimage, GL_KHR_context_flush_control, GL_KHR_debug, 
    GL_KHR_no_error, GL_KHR_robust_buffer_access_behavior, GL_KHR_robustness, 
    GL_MESA_shader_integer_functions, GL_NV_draw_buffers, 
    GL_NV_fbo_color_attachments, GL_NV_image_formats, GL_NV_read_buffer, 
    GL_NV_read_depth, GL_NV_read_depth_stencil, GL_NV_read_stencil, 
    GL_OES_EGL_image, GL_OES_EGL_image_external, GL_OES_EGL_sync, 
    GL_OES_compressed_ETC1_RGB8_texture, GL_OES_copy_image, GL_OES_depth24, 
    GL_OES_depth_texture, GL_OES_depth_texture_cube_map, 
    GL_OES_draw_buffers_indexed, GL_OES_draw_elements_base_vertex, 
    GL_OES_element_index_uint, GL_OES_fbo_render_mipmap, 
    GL_OES_geometry_point_size, GL_OES_geometry_shader, 
    GL_OES_get_program_binary, GL_OES_gpu_shader5, GL_OES_mapbuffer, 
    GL_OES_packed_depth_stencil, GL_OES_primitive_bounding_box, 
    GL_OES_rgb8_rgba8, GL_OES_sample_shading, GL_OES_sample_variables, 
    GL_OES_shader_image_atomic, GL_OES_shader_io_blocks, 
    GL_OES_shader_multisample_interpolation, GL_OES_standard_derivatives, 
    GL_OES_stencil8, GL_OES_surfaceless_context, 
    GL_OES_tessellation_point_size, GL_OES_tessellation_shader, 
    GL_OES_texture_3D, GL_OES_texture_border_clamp, GL_OES_texture_buffer, 
    GL_OES_texture_cube_map_array, GL_OES_texture_float, 
    GL_OES_texture_float_linear, GL_OES_texture_half_float, 
    GL_OES_texture_half_float_linear, GL_OES_texture_npot, 
    GL_OES_texture_stencil8, GL_OES_texture_storage_multisample_2d_array, 
    GL_OES_vertex_array_object, GL_OES_vertex_half_float, 
    GL_OES_viewport_array</pre>
        </div>
      </p>


      <hr>
      <span>You are receiving this mail because:</span>

      <ul>
          <li>You are the assignee for the bug.</li>
      </ul>
    </body>
</html>