2010/1/12 Michael Brooks <michael.brooks / shaw.ca>: > Hello Marc-antoine and Brian: > >> Marc-antoine Kruzik wrote: >>> >>> Hello, I'm french, sorry for my mistakes. >>> So, I'm looking for the easiest way to use a 3D library with Ruby. >>> Not especially Ogre.rb, because I just want to do 3D with Ruby. Any 3D >>> library will be ok. :) >> >> Brian Candler wrote: >> The GL gears example exists for ruby (gears.rb). I have a copy lying >> around, and it still runs. You should be able to find it through Google. > > I used the the gears.rb as the basis for a OpenGL programmable shader (i.e. > GLSL) version of the gears program. The intro to it and download can be > found through here: > > http://osdir.com/ml/ruby-talk/2009-03/msg00749.html > FWIW this does nt work for me on Linux. $ ruby gears_using_shaders.rb Error - The program has terminated because the environment does not support OpenGL 2.0 or greater GLSL shaders. $ glxinfo name of display: :0.0 display: :0 screen: 0 direct rendering: Yes server glx vendor string: SGI server glx version string: 1.2 server glx extensions: 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_OML_swap_method, GLX_SGI_make_current_read, GLX_SGI_swap_control, GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_visual_select_group client glx vendor string: Mesa Project and SGI client glx version string: 1.4 client glx extensions: GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_EXT_import_context, GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_MESA_allocate_memory, GLX_MESA_copy_sub_buffer, GLX_MESA_swap_control, GLX_MESA_swap_frame_usage, 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 version: 1.2 GLX extensions: GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_EXT_import_context, GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_MESA_copy_sub_buffer, GLX_MESA_swap_control, GLX_MESA_swap_frame_usage, GLX_OML_swap_method, GLX_SGI_make_current_read, GLX_SGI_swap_control, GLX_SGI_video_sync, GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_visual_select_group OpenGL vendor string: DRI R300 Project OpenGL renderer string: Mesa DRI R300 (RV515 7153) 20090101 TCL OpenGL version string: 1.5 Mesa 7.6.1 OpenGL extensions: GL_ARB_depth_texture, GL_ARB_draw_buffers, GL_ARB_fragment_program, GL_ARB_imaging, GL_ARB_multisample, GL_ARB_multitexture, GL_ARB_occlusion_query, GL_ARB_point_parameters, GL_ARB_shadow, GL_ARB_shadow_ambient, 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_MESAX_texture_float, GL_ARB_texture_mirrored_repeat, GL_ARB_texture_rectangle, GL_ARB_transpose_matrix, GL_ARB_vertex_array_bgra, GL_ARB_vertex_buffer_object, GL_ARB_vertex_program, GL_ARB_window_pos, GL_EXT_abgr, GL_EXT_bgra, GL_EXT_blend_color, GL_EXT_blend_equation_separate, GL_EXT_blend_func_separate, GL_EXT_blend_logic_op, GL_EXT_blend_minmax, GL_EXT_blend_subtract, GL_EXT_compiled_vertex_array, GL_EXT_convolution, GL_EXT_copy_texture, GL_EXT_draw_range_elements, GL_EXT_fog_coord, GL_EXT_gpu_program_parameters, GL_EXT_histogram, GL_EXT_multi_draw_arrays, GL_EXT_packed_depth_stencil, GL_EXT_packed_pixels, GL_EXT_point_parameters, GL_EXT_polygon_offset, GL_EXT_rescale_normal, GL_EXT_secondary_color, GL_EXT_separate_specular_color, 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_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_lod_bias, GL_EXT_texture_mirror_clamp, GL_EXT_texture_object, GL_EXT_texture_rectangle, GL_EXT_texture_sRGB, GL_EXT_vertex_array, GL_EXT_vertex_array_bgra, GL_APPLE_packed_pixels, GL_ATI_blend_equation_separate, GL_ATI_texture_env_combine3, GL_ATI_texture_mirror_once, GL_ATI_separate_stencil, GL_IBM_multimode_draw_arrays, GL_IBM_rasterpos_clip, GL_IBM_texture_mirrored_repeat, GL_INGR_blend_func_separate, GL_MESA_pack_invert, GL_MESA_ycbcr_texture, GL_MESA_window_pos, GL_NV_blend_square, GL_NV_light_max_exponent, GL_NV_texture_rectangle, GL_NV_texgen_reflection, GL_NV_vertex_program, GL_OES_read_format, GL_SGI_color_matrix, GL_SGI_color_table, GL_SGIS_generate_mipmap, GL_SGIS_texture_border_clamp, GL_SGIS_texture_edge_clamp, GL_SGIS_texture_lod, GL_SUN_multi_draw_arrays visual x bf lv rg d st colorbuffer ax dp st accumbuffer ms cav id dep cl sp sz l ci b ro r g b a bf th cl r g b a ns b eat ---------------------------------------------------------------------- 0x21 24 tc 0 32 0 r y . 8 8 8 8 0 24 8 0 0 0 0 0 0 None 0x22 24 dc 0 32 0 r y . 8 8 8 8 0 24 8 0 0 0 0 0 0 None 0x67 24 tc 0 32 0 r . . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow 0x68 24 tc 0 32 0 r y . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow 0x69 24 dc 0 32 0 r . . 8 8 8 8 0 24 8 0 0 0 0 0 0 None 0x6a 24 dc 0 32 0 r . . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow 0x6b 24 dc 0 32 0 r y . 8 8 8 8 0 24 8 16 16 16 16 0 0 Slow 0x5e 32 tc 0 32 0 r . . 8 8 8 8 0 24 8 0 0 0 0 0 0 Ncon