[webkit-qt] How to enable WebGL in Qt 5.1.1?

Min Sung sharmelian at gmail.com
Thu Jun 20 17:30:40 PDT 2013


any suggestions? should I not be using the latest git snapshot of qt5 or
qtwebkit? I'm on a vanilla Ubuntu 13.04 distro so I can't imagine that
there's no way to get webgl to work


On Thu, Jun 20, 2013 at 12:20 AM, Min Sung <sharmelian at gmail.com> wrote:

> I have mesa drivers for amd64 installed, and I can visit webgl sites with
> chromium, but not with Qt.
>
> I don't really know how to interpret glxinfo, but it looks normal. Here it
> is, in case I missed something. thanks
>
> name of display: :0.0
> 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_multisample, GLX_EXT_create_context_es2_profile,
>     GLX_EXT_import_context, GLX_EXT_texture_from_pixmap,
> GLX_EXT_visual_info,
>     GLX_EXT_visual_rating, GLX_MESA_copy_sub_buffer, GLX_OML_swap_method,
>     GLX_SGI_swap_control, GLX_SGIS_multisample, GLX_SGIX_fbconfig,
>     GLX_SGIX_pbuffer, GLX_SGIX_visual_select_group, GLX_INTEL_swap_event
> 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_framebuffer_sRGB,
>     GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_EXT_import_context,
>     GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_EXT_framebuffer_sRGB,
>     GLX_EXT_create_context_es2_profile, GLX_MESA_copy_sub_buffer,
>     GLX_MESA_multithread_makecurrent, GLX_MESA_swap_control,
>     GLX_OML_swap_method, GLX_OML_sync_control, GLX_SGI_make_current_read,
>     GLX_SGI_swap_control, GLX_SGI_video_sync, GLX_SGIS_multisample,
>     GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, GLX_SGIX_visual_select_group,
>     GLX_EXT_texture_from_pixmap, GLX_INTEL_swap_event
> GLX version: 1.4
> GLX extensions:
>     GLX_ARB_create_context, GLX_ARB_create_context_profile,
>     GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_EXT_import_context,
>     GLX_EXT_visual_info, GLX_EXT_visual_rating,
>     GLX_EXT_create_context_es2_profile, GLX_MESA_copy_sub_buffer,
>     GLX_MESA_multithread_makecurrent, GLX_MESA_swap_control,
>     GLX_OML_swap_method, GLX_OML_sync_control, GLX_SGI_make_current_read,
>     GLX_SGI_swap_control, GLX_SGI_video_sync, GLX_SGIS_multisample,
>     GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, GLX_SGIX_visual_select_group,
>     GLX_EXT_texture_from_pixmap, GLX_INTEL_swap_event
> OpenGL vendor string: Intel Open Source Technology Center
> OpenGL renderer string: Mesa DRI Intel(R) Ivybridge Desktop
> OpenGL version string: 3.0 Mesa 9.1.1
> OpenGL shading language version string: 1.30
> OpenGL extensions:
>     GL_ARB_multisample, GL_EXT_abgr, GL_EXT_bgra, GL_EXT_blend_color,
>     GL_EXT_blend_minmax, GL_EXT_blend_subtract, GL_EXT_copy_texture,
>     GL_EXT_polygon_offset, GL_EXT_subtexture, GL_EXT_texture_object,
>     GL_EXT_vertex_array, GL_EXT_compiled_vertex_array, GL_EXT_texture,
>     GL_EXT_texture3D, GL_IBM_rasterpos_clip, GL_ARB_point_parameters,
>     GL_EXT_draw_range_elements, GL_EXT_packed_pixels,
> GL_EXT_point_parameters,
>     GL_EXT_rescale_normal, GL_EXT_separate_specular_color,
>     GL_EXT_texture_edge_clamp, GL_SGIS_generate_mipmap,
>     GL_SGIS_texture_border_clamp, GL_SGIS_texture_edge_clamp,
>     GL_SGIS_texture_lod, GL_ARB_framebuffer_sRGB, GL_ARB_multitexture,
>     GL_EXT_framebuffer_sRGB, GL_IBM_multimode_draw_arrays,
>     GL_IBM_texture_mirrored_repeat, GL_3DFX_texture_compression_FXT1,
>     GL_ARB_texture_cube_map, GL_ARB_texture_env_add,
> GL_ARB_transpose_matrix,
>     GL_EXT_blend_func_separate, GL_EXT_fog_coord,
> GL_EXT_multi_draw_arrays,
>     GL_EXT_secondary_color, GL_EXT_texture_env_add,
>     GL_EXT_texture_filter_anisotropic, GL_EXT_texture_lod_bias,
>     GL_INGR_blend_func_separate, GL_NV_blend_square,
> GL_NV_light_max_exponent,
>     GL_NV_texgen_reflection, GL_NV_texture_env_combine4, GL_S3_s3tc,
>     GL_SUN_multi_draw_arrays, GL_ARB_texture_border_clamp,
>     GL_ARB_texture_compression, GL_EXT_framebuffer_object,
>     GL_EXT_texture_compression_s3tc, GL_EXT_texture_env_combine,
>     GL_EXT_texture_env_dot3, GL_MESA_window_pos,
> GL_NV_packed_depth_stencil,
>     GL_NV_texture_rectangle, GL_ARB_depth_texture, GL_ARB_occlusion_query,
>     GL_ARB_shadow, GL_ARB_texture_env_combine,
> GL_ARB_texture_env_crossbar,
>     GL_ARB_texture_env_dot3, GL_ARB_texture_mirrored_repeat,
>     GL_ARB_window_pos, GL_ATI_envmap_bumpmap, GL_EXT_stencil_two_side,
>     GL_EXT_texture_cube_map, GL_NV_depth_clamp, GL_APPLE_packed_pixels,
>     GL_APPLE_vertex_array_object, GL_ARB_draw_buffers,
>     GL_ARB_fragment_program, GL_ARB_fragment_shader,
> GL_ARB_shader_objects,
>     GL_ARB_vertex_program, GL_ARB_vertex_shader, GL_ATI_draw_buffers,
>     GL_ATI_texture_env_combine3, GL_ATI_texture_float,
> GL_EXT_shadow_funcs,
>     GL_EXT_stencil_wrap, GL_MESA_pack_invert, GL_MESA_ycbcr_texture,
>     GL_NV_primitive_restart, GL_ARB_depth_clamp,
>     GL_ARB_fragment_program_shadow, GL_ARB_half_float_pixel,
>     GL_ARB_occlusion_query2, GL_ARB_point_sprite,
> GL_ARB_shading_language_100,
>     GL_ARB_sync, GL_ARB_texture_non_power_of_two,
> GL_ARB_vertex_buffer_object,
>     GL_ATI_blend_equation_separate, GL_EXT_blend_equation_separate,
>     GL_OES_read_format, GL_ARB_color_buffer_float,
> GL_ARB_pixel_buffer_object,
>     GL_ARB_texture_compression_rgtc, GL_ARB_texture_float,
>     GL_ARB_texture_rectangle, GL_EXT_packed_float,
> GL_EXT_pixel_buffer_object,
>     GL_EXT_texture_compression_dxt1, GL_EXT_texture_compression_rgtc,
>     GL_EXT_texture_rectangle, GL_EXT_texture_sRGB,
>     GL_EXT_texture_shared_exponent, GL_ARB_framebuffer_object,
>     GL_EXT_framebuffer_blit, GL_EXT_framebuffer_multisample,
>     GL_EXT_packed_depth_stencil, GL_APPLE_object_purgeable,
>     GL_ARB_vertex_array_object, GL_ATI_separate_stencil,
> GL_EXT_draw_buffers2,
>     GL_EXT_draw_instanced, GL_EXT_gpu_program_parameters,
>     GL_EXT_texture_array, GL_EXT_texture_integer,
> GL_EXT_texture_sRGB_decode,
>     GL_EXT_timer_query, GL_OES_EGL_image, GL_MESA_texture_array,
>     GL_ARB_copy_buffer, GL_ARB_depth_buffer_float, GL_ARB_draw_instanced,
>     GL_ARB_half_float_vertex, GL_ARB_instanced_arrays,
>     GL_ARB_map_buffer_range, GL_ARB_texture_rg, GL_ARB_texture_swizzle,
>     GL_ARB_vertex_array_bgra, GL_EXT_separate_shader_objects,
>     GL_EXT_texture_swizzle, GL_EXT_vertex_array_bgra,
>     GL_NV_conditional_render, GL_AMD_draw_buffers_blend,
>     GL_ARB_ES2_compatibility, GL_ARB_blend_func_extended,
> GL_ARB_debug_output,
>     GL_ARB_draw_buffers_blend, GL_ARB_draw_elements_base_vertex,
>     GL_ARB_explicit_attrib_location, GL_ARB_fragment_coord_conventions,
>     GL_ARB_provoking_vertex, GL_ARB_sampler_objects,
> GL_ARB_seamless_cube_map,
>     GL_ARB_shader_texture_lod, GL_ARB_texture_cube_map_array,
>     GL_ARB_texture_rgb10_a2ui, GL_ARB_uniform_buffer_object,
>     GL_ARB_vertex_type_2_10_10_10_rev, GL_EXT_provoking_vertex,
>     GL_EXT_texture_snorm, GL_MESA_texture_signed_rgba,
>     GL_ARB_get_program_binary, GL_ARB_robustness,
> GL_ARB_shader_bit_encoding,
>     GL_ARB_timer_query, GL_ANGLE_texture_compression_dxt3,
>     GL_ANGLE_texture_compression_dxt5, GL_ARB_internalformat_query,
>     GL_ARB_shading_language_packing, GL_ARB_texture_storage,
>     GL_EXT_transform_feedback, GL_ARB_ES3_compatibility,
>     GL_ARB_invalidate_subdata
>
> 20 GLX Visuals
>     visual  x   bf lv rg d st  colorbuffer  sr ax dp st accumbuffer  ms
>  cav
>   id dep cl sp  sz l  ci b ro  r  g  b  a F gb bf th cl  r  g  b  a ns b
> eat
>
> ----------------------------------------------------------------------------
> 0x020 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0
> None
> 0x021 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0
> None
> 0x095 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0
> None
> 0x096 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0
> None
> 0x097 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0
> None
> 0x098 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8 16 16 16 16  0 0
> Slow
> 0x099 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  4 1
> None
> 0x09a 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  8 1
> None
> 0x09b 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  4 1
> None
> 0x09c 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  8 1
> None
> 0x09d 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0
> None
> 0x09e 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0
> None
> 0x09f 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0
> None
> 0x0a0 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0
> None
> 0x0a1 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8 16 16 16 16  0 0
> Slow
> 0x0a2 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  4 1
> None
> 0x0a3 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  8 1
> None
> 0x0a4 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  4 1
> None
> 0x0a5 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  8 1
> None
> 0x068 32 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0
> None
>
> 44 GLXFBConfigs:
>     visual  x   bf lv rg d st  colorbuffer  sr ax dp st accumbuffer  ms
>  cav
>   id dep cl sp  sz l  ci b ro  r  g  b  a F gb bf th cl  r  g  b  a ns b
> eat
>
> ----------------------------------------------------------------------------
> 0x069  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0  0  0  0  0  0 0
> None
> 0x06a  0 tc  0  16  0 r  . .   5  6  5  0 .  .  0  0  0  0  0  0  0  0 0
> None
> 0x06b  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0  0  0  0  0 0
> None
> 0x06c  0 tc  0  16  0 r  . .   5  6  5  0 .  .  0 16  0  0  0  0  0  0 0
> None
> 0x06d  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 24  8  0  0  0  0  0 0
> None
> 0x06e  0 tc  0  16  0 r  . .   5  6  5  0 .  .  0 24  8  0  0  0  0  0 0
> None
> 0x06f 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0
> None
> 0x070 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0
> None
> 0x071 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0
> None
> 0x072 24 tc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0
> None
> 0x073  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0  0  0  0  0 0
> None
> 0x074  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0 16 16 16  0  0 0
> Slow
> 0x075 32 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0
> None
> 0x076 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8 16 16 16 16  0 0
> Slow
> 0x077  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0  0  0  0  0  4 1
> None
> 0x078  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0  0  0  0  0  8 1
> None
> 0x079  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0  0  0  0  4 1
> None
> 0x07a  0 tc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0  0  0  0  8 1
> None
> 0x07b 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  4 1
> None
> 0x07c 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  8 1
> None
> 0x07d 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  4 1
> None
> 0x07e 24 tc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  8 1
> None
> 0x07f  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0  0  0  0  0  0 0
> None
> 0x080  0 dc  0  16  0 r  . .   5  6  5  0 .  .  0  0  0  0  0  0  0  0 0
> None
> 0x081  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0  0  0  0  0 0
> None
> 0x082  0 dc  0  16  0 r  . .   5  6  5  0 .  .  0 16  0  0  0  0  0  0 0
> None
> 0x083  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 24  8  0  0  0  0  0 0
> None
> 0x084  0 dc  0  16  0 r  . .   5  6  5  0 .  .  0 24  8  0  0  0  0  0 0
> None
> 0x085 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0
> None
> 0x086 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0  0  0  0  0  0  0  0 0
> None
> 0x087 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0
> None
> 0x088 24 dc  0  32  0 r  . .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0
> None
> 0x089  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0  0  0  0  0 0
> None
> 0x08a  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0 16 16 16  0  0 0
> Slow
> 0x08b 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  0 0
> None
> 0x08c 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8 16 16 16 16  0 0
> Slow
> 0x08d  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0  0  0  0  0  4 1
> None
> 0x08e  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0  0  0  0  0  0  0  8 1
> None
> 0x08f  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0  0  0  0  4 1
> None
> 0x090  0 dc  0  16  0 r  y .   5  6  5  0 .  .  0 16  0  0  0  0  0  8 1
> None
> 0x091 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  4 1
> None
> 0x092 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0  0  0  0  0  0  0  8 1
> None
> 0x093 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  4 1
> None
> 0x094 24 dc  0  32  0 r  y .   8  8  8  8 .  .  0 24  8  0  0  0  0  8 1
> None
>
>
>
> On Wed, Jun 19, 2013 at 11:31 PM, Arunprasad Rajkumar <
> ararunprasad at gmail.com> wrote:
>
>> Do you have mesa or equivalent opengl library in your system?
>>
>> else try by installing it,
>>
>> sudo apt-get install libgl1-mesa-swx11 <http://packages.ubuntu.com/libgl1-mesa-swx11>
>>
>>
>> after installing use glxinfo to check the status.
>>
>> BR,
>>
>> On 20 June 2013 11:39, Min Sung <sharmelian at gmail.com> wrote:
>>
>>> Hi, I'm try to get webgl to work under Ubuntu 13.04
>>>
>>> I'm following the instructions from
>>> http://qt-project.org/wiki/Building_Qt_5_from_Git
>>>
>>> and when I run ./QtTestBrowser -webgl -graphicsbased -gl-viewport <URL>
>>> and go to a webgl site, it says webgl is not supported.
>>>
>>> I also tried configuring Qt5 with --no-webkit and then going into the
>>> qtwebkit folder and doing
>>>
>>> qmake WebKit.pro WEBKIT_CONFIG+=webgl
>>> make -j 4
>>> make install
>>>
>>> and webgl still didn't work.
>>>
>>> Is there some configuration or a version I can roll back to to get webgl
>>> to work? Thanks.
>>>
>>>
>>> _______________________________________________
>>> webkit-qt mailing list
>>> webkit-qt at lists.webkit.org
>>> https://lists.webkit.org/mailman/listinfo/webkit-qt
>>>
>>>
>>
>>
>> --
>> *Arunprasad Rajkumar*
>> http://in.linkedin.com/in/ararunprasad
>>
>
>
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