On Thu, 26 Dec 2013 12:30:49 +0100 Bruno Prémont <bonb...@linux-vserver.org>
said:

i855 is too old. no full shader support. evas requires proper  glsl support u
find in opengl 2.0 and on. notice you have only opengl 1.3 on the i855. you're
missing a "shading language version" string... etc.

ie ... that gpu is way too old. proper glsl shaders or no gl rendering in evas.
(it works on anything opengl2/opngles2 or better).

> Hi,
> 
> For me E18/evas says my system does not support OpenGL or Evas has no
> OpenGL support.
> I have both a i915GM and i855GM system with glxinfo as attached.
> Same compile flags are being used on both for efl/e18.
> 
> Why is OpenGL not being seen/used on the i855GM (compositing is rather
> slow when done by CPU)?
> 
> If some features are missing, isn't it possible to just disable
> corresponding visual effects?
> 
> Bruno
> 
> The different between the two:
> --- /tmp/glxinfo-i915GM       2013-12-16 19:59:45.476169559 +0100
> +++ /tmp/glxinfo-i855GM       2013-12-16 19:59:44.186141694 +0100
> @@ -14,9 +14,9 @@ client glx vendor string: Mesa Project a
>  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_create_context_robustness, GLX_ARB_fbconfig_float, 
>      GLX_ARB_framebuffer_sRGB, GLX_ARB_get_proc_address, GLX_ARB_multisample, 
> -    GLX_EXT_create_context_es2_profile, 
> +    GLX_EXT_create_context_es2_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, 
> @@ -28,7 +28,7 @@ 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_create_context_es2_profile, GLX_EXT_import_context, 
> +     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_swap_control, 
> @@ -36,45 +36,44 @@ GLX extensions:
>      GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, GLX_SGIX_visual_select_group, 
>      GLX_SGI_make_current_read, GLX_SGI_swap_control, GLX_SGI_video_sync
>  OpenGL vendor string: Intel Open Source Technology Center
> -OpenGL renderer string: Mesa DRI Intel(R) 915GM x86/MMX/SSE2
> -OpenGL version string: 1.4 Mesa 9.1.6
> +OpenGL renderer string: Mesa DRI Intel(R) 852GM/855GM x86/MMX/SSE2
> +OpenGL version string: 1.3 Mesa 9.2.4
>  OpenGL extensions:
>      GL_3DFX_texture_compression_FXT1, GL_ANGLE_texture_compression_dxt3, 
>      GL_ANGLE_texture_compression_dxt5, GL_APPLE_object_purgeable, 
>      GL_APPLE_packed_pixels, GL_APPLE_vertex_array_object, 
> -    GL_ARB_ES2_compatibility, GL_ARB_copy_buffer, GL_ARB_debug_output, 
> -    GL_ARB_depth_texture, GL_ARB_draw_buffers, 
> +     GL_ARB_copy_buffer, GL_ARB_debug_output, 
> +     GL_ARB_draw_buffers, 
>      GL_ARB_draw_elements_base_vertex, GL_ARB_explicit_attrib_location, 
> -    GL_ARB_fragment_program, GL_ARB_fragment_shader, 
>      GL_ARB_framebuffer_object, GL_ARB_get_program_binary, 
>      GL_ARB_half_float_pixel, GL_ARB_internalformat_query, 
>      GL_ARB_invalidate_subdata, GL_ARB_map_buffer_range, GL_ARB_multisample, 
>      GL_ARB_multitexture, GL_ARB_pixel_buffer_object,
> GL_ARB_point_parameters, GL_ARB_point_sprite, GL_ARB_provoking_vertex,
> GL_ARB_robustness, GL_ARB_sampler_objects, GL_ARB_shader_objects, 
> -    GL_ARB_shading_language_100, GL_ARB_shadow, GL_ARB_sync, 
> +    GL_ARB_shading_language_100,  GL_ARB_sync, 
>      GL_ARB_texture_border_clamp, GL_ARB_texture_compression, 
>      GL_ARB_texture_cube_map, GL_ARB_texture_env_add, 
>      GL_ARB_texture_env_combine, GL_ARB_texture_env_crossbar, 
>      GL_ARB_texture_env_dot3, GL_ARB_texture_mirrored_repeat, 
> -    GL_ARB_texture_non_power_of_two, GL_ARB_texture_rectangle, 
> +     GL_ARB_texture_rectangle, 
>      GL_ARB_texture_storage, GL_ARB_transpose_matrix, 
>      GL_ARB_vertex_array_object, GL_ARB_vertex_buffer_object, 
>      GL_ARB_vertex_program, GL_ARB_vertex_shader, GL_ARB_window_pos, 
>      GL_ATI_blend_equation_separate, GL_ATI_draw_buffers, 
> -    GL_ATI_separate_stencil, GL_ATI_texture_env_combine3, GL_EXT_abgr, 
> +     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_range_elements, GL_EXT_fog_coord, GL_EXT_framebuffer_blit, 
> -    GL_EXT_framebuffer_multisample, GL_EXT_framebuffer_object, 
> +     GL_EXT_framebuffer_object, 
>      GL_EXT_gpu_program_parameters, GL_EXT_multi_draw_arrays, 
>      GL_EXT_packed_depth_stencil, 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_shader_objects, 
> -    GL_EXT_separate_specular_color, GL_EXT_shadow_funcs, 
> -    GL_EXT_stencil_two_side, GL_EXT_stencil_wrap, GL_EXT_subtexture, 
> +    GL_EXT_separate_specular_color, 
> +     GL_EXT_stencil_wrap, GL_EXT_subtexture, 
>      GL_EXT_texture, GL_EXT_texture3D, GL_EXT_texture_compression_dxt1, 
>      GL_EXT_texture_cube_map, GL_EXT_texture_edge_clamp, 
>      GL_EXT_texture_env_add, GL_EXT_texture_env_combine, 
> @@ -84,7 +83,7 @@ OpenGL extensions:
>      GL_IBM_texture_mirrored_repeat, GL_INGR_blend_func_separate, 
>      GL_MESA_pack_invert, GL_MESA_window_pos, GL_MESA_ycbcr_texture, 
>      GL_NV_blend_square, GL_NV_light_max_exponent,
> GL_NV_packed_depth_stencil, 
> -    GL_NV_texgen_reflection, GL_NV_texture_env_combine4, 
> +    GL_NV_texgen_reflection, 
>      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
> 


-- 
------------- Codito, ergo sum - "I code, therefore I am" --------------
The Rasterman (Carsten Haitzler)    ras...@rasterman.com


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