Re: OpenGL 3.2 with SWR?

On 03/26/2016 08:50 AM, Hello wrote:
> Hey,
>
>
> I'm trying to get OpenGL 3.2 on an OpenVZ VPS running Ubuntu 14.04.4
> LTS without graphics hardware acceleration. I was about to give up until
> I read about OpenSWR and it's integration into Mesa. So I tried building
> the latest version of mesa from freedesktop git with the recommended
> openswr configuration options. At this point I'm not even sure if the
> AVX instruction set is fully functioning on the VPS because I don't know
> how to check. OpenGL Version never went above 3.0. It doesn't seem like
> I activated SWR at all.
>
>
> Assuming that AVX is functioning correctly what else could I try? Thanks.
>
>
>
> sudo ./configure --with-gallium-drivers=swrast,swr --prefix=$HOME/mesa
>
>
> This is the glxinfo after a quick 'make install':
>
>
> $ LD_LIBRARY_PATH=$HOME/mesa/lib LIBGL_DEBUG=verbose GALLIUM_DRIVER=swr
> glxinfo
>
> name of display: :10.0
> display: :10  screen: 0
> direct rendering: Yes
> server glx vendor string: SGI
> server glx version string: 1.4
> server glx extensions:
>      GLX_ARB_multisample, 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_OML_swap_method, GLX_SGIS_multisample,
>      GLX_SGIX_fbconfig, GLX_SGIX_hyperpipe, GLX_SGIX_pbuffer,
>      GLX_SGIX_swap_barrier, GLX_SGI_make_current_read
> 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_get_proc_address, GLX_ARB_multisample, GLX_EXT_import_context,
>      GLX_EXT_texture_from_pixmap, GLX_EXT_visual_info,
> GLX_EXT_visual_rating,
>      GLX_MESA_copy_sub_buffer, GLX_MESA_multithread_makecurrent,
>      GLX_MESA_query_renderer, GLX_OML_swap_method, GLX_SGIS_multisample,
>      GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, GLX_SGI_make_current_read
> OpenGL vendor string: VMware, Inc.
> OpenGL renderer string: Gallium 0.4 on softpipe

Something didn't work because "softpipe" here indicates you're using the 
slow, gallium software reference driver.


> OpenGL version string: 3.0 Mesa 11.3.0-devel (git-fc3b000)
> OpenGL shading language version string: 1.30
> OpenGL context flags: (none)
> OpenGL extensions:
>      GL_AMD_conservative_depth, GL_AMD_draw_buffers_blend,
>      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_APPLE_vertex_array_object, GL_ARB_ES2_compatibility,
>      GL_ARB_ES3_compatibility, GL_ARB_arrays_of_arrays,
> GL_ARB_base_instance,
>      GL_ARB_blend_func_extended, GL_ARB_clear_buffer_object,
>      GL_ARB_clip_control, GL_ARB_color_buffer_float,
>      GL_ARB_compressed_texture_pixel_storage,
>      GL_ARB_conditional_render_inverted, GL_ARB_conservative_depth,
>      GL_ARB_copy_buffer, GL_ARB_debug_output, GL_ARB_depth_buffer_float,
>      GL_ARB_depth_clamp, GL_ARB_depth_texture, 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_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_robustness, GL_ARB_sampler_objects, GL_ARB_seamless_cube_map,
>      GL_ARB_seamless_cubemap_per_texture, GL_ARB_separate_shader_objects,
>      GL_ARB_shader_bit_encoding, GL_ARB_shader_objects,
>      GL_ARB_shader_stencil_export, 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_stencil_texturing,
>      GL_ARB_sync, GL_ARB_texture_border_clamp, GL_ARB_texture_compression,
>      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_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_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_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_MESA_pack_invert,
>      GL_MESA_texture_signed_rgba, GL_MESA_window_pos,
> GL_MESA_ycbcr_texture,
>      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_env_combine4, GL_NV_texture_rectangle, 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
>
> glxgears averaged about 200 FPS. Tried glxinfo again without specifying
> gallium drivers.
>
> $ LD_LIBRARY_PATH=$HOME/mesa/lib LIBGL_DEBUG=verbose GALLIUM_DRIVER=swr
> glxinfo | grep OpenGL
> OpenGL vendor string: VMware, Inc.
> OpenGL renderer string: Gallium 0.4 on llvmpipe (LLVM 3.6, 256 bits)

And here you're using llvmpipe.  llvmpipe is similar to SWR in that is 
uses llvm for run-time code generation, and should be pretty fast.


> OpenGL version string: 3.0 Mesa 11.3.0-devel (git-fc3b000)
> OpenGL shading language version string: 1.30
> OpenGL context flags: (none)
>
> glxgears fluctuated between 1000-1200 FPS.
>
>
> $ cat /proc/cpuinfo
> processor       : 0
> vendor_id       : GenuineIntel
> cpu family      : 6
> model           : 58
> model name      : Intel(R) Xeon(R) CPU E3-1270 V2 @ 3.50GHz
> stepping        : 9
> microcode       : 27
> cpu MHz         : 1600.000
> cache size      : 8192 KB
> physical id     : 0
> siblings        : 8
> core id         : 0
> cpu cores       : 4
> apicid          : 0
> initial apicid  : 0
> fpu             : yes
> fpu_exception   : yes
> cpuid level     : 13
> wp              : yes
> flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
> mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe
> syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good
> xtopology nonstop_tsc aperfmperf cpuid_faulting pni pclmulqdq dtes64
> monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2
> x2apic popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm ida
> arat epb pln pts dtherm tpr_shadow vnmi flexpriority ept vpid fsgsbase
> smep erms xsaveopt
> bogomips        : 6999.92
> clflush size    : 64
> cache_alignment : 64
> address sizes   : 36 bits physical, 48 bits virtual
> power management:

I haven't tried SWR yet myself and I doubt anyone on this list has much 
experience with it yet.  I suggest posting to the mesa-dev list where 
the SWR developers at Intel will see it.

I'm also cc'ing Tim Rowley in case he can help.

-Brian


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