<div class="gmail_quote"><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div class="Ih2E3d"><br>
</div>If the example does not run, then please open a terminal and type:<br>
glxinfo<br>
<br>
What does it give?<br>
</blockquote><div><br>here the output of glxinfo:<br><br>name of display: :0.0<br>display: :0 screen: 0<br>direct rendering: No (If you want to find out why, try setting LIBGL_DEBUG=verbose)<br>server glx vendor string: SGI<br>
server glx version string: 1.2<br>server glx extensions:<br> GLX_ARB_multisample, GLX_EXT_visual_info, GLX_EXT_visual_rating, <br> GLX_EXT_import_context, GLX_EXT_texture_from_pixmap, GLX_OML_swap_method, <br> GLX_SGI_make_current_read, GLX_SGIS_multisample, GLX_SGIX_hyperpipe, <br>
GLX_SGIX_swap_barrier, GLX_SGIX_fbconfig, GLX_MESA_copy_sub_buffer<br>client glx vendor string: SGI<br>client glx version string: 1.4<br>client glx extensions:<br> GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_EXT_import_context, <br>
GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_MESA_allocate_memory, <br> GLX_MESA_copy_sub_buffer, GLX_MESA_swap_control, <br> GLX_MESA_swap_frame_usage, GLX_OML_swap_method, GLX_OML_sync_control, <br> GLX_SGI_make_current_read, GLX_SGI_swap_control, GLX_SGI_video_sync, <br>
GLX_SGIS_multisample, GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, <br> GLX_SGIX_visual_select_group, GLX_EXT_texture_from_pixmap<br>GLX version: 1.2<br>GLX extensions:<br> GLX_ARB_get_proc_address, GLX_ARB_multisample, GLX_EXT_import_context, <br>
GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_MESA_copy_sub_buffer, <br> GLX_OML_swap_method, GLX_SGI_make_current_read, GLX_SGIS_multisample, <br> GLX_SGIX_fbconfig, GLX_EXT_texture_from_pixmap<br>OpenGL vendor string: Mesa project: <a href="http://www.mesa3d.org">www.mesa3d.org</a><br>
OpenGL renderer string: Mesa GLX Indirect<br>OpenGL version string: 1.4 (2.1 Mesa 7.0.3)<br>OpenGL extensions:<br> GL_ARB_depth_texture, GL_ARB_draw_buffers, GL_ARB_fragment_program, <br> GL_ARB_imaging, GL_ARB_multisample, GL_ARB_multitexture, <br>
GL_ARB_occlusion_query, GL_ARB_point_parameters, GL_ARB_point_sprite, <br> GL_ARB_shadow, GL_ARB_shadow_ambient, GL_ARB_texture_border_clamp, <br> GL_ARB_texture_compression, GL_ARB_texture_cube_map, <br> GL_ARB_texture_env_add, GL_ARB_texture_env_combine, <br>
GL_ARB_texture_env_crossbar, GL_ARB_texture_env_dot3, <br> GL_ARB_texture_mirrored_repeat, GL_ARB_texture_non_power_of_two, <br> GL_ARB_texture_rectangle, GL_ARB_transpose_matrix, GL_ARB_vertex_program, <br> GL_ARB_window_pos, GL_EXT_abgr, GL_EXT_bgra, GL_EXT_blend_color, <br>
GL_EXT_blend_equation_separate, GL_EXT_blend_func_separate, <br> GL_EXT_blend_logic_op, GL_EXT_blend_minmax, GL_EXT_blend_subtract, <br> GL_EXT_clip_volume_hint, GL_EXT_copy_texture, GL_EXT_draw_range_elements, <br>
GL_EXT_fog_coord, GL_EXT_framebuffer_object, GL_EXT_multi_draw_arrays, <br> GL_EXT_packed_pixels, GL_EXT_paletted_texture, GL_EXT_point_parameters, <br> GL_EXT_polygon_offset, GL_EXT_rescale_normal, GL_EXT_secondary_color, <br>
GL_EXT_separate_specular_color, GL_EXT_shadow_funcs, <br> GL_EXT_shared_texture_palette, GL_EXT_stencil_wrap, GL_EXT_subtexture, <br> GL_EXT_texture, GL_EXT_texture3D, GL_EXT_texture_edge_clamp, <br> GL_EXT_texture_env_add, GL_EXT_texture_env_combine, <br>
GL_EXT_texture_env_dot3, GL_EXT_texture_lod_bias, <br> GL_EXT_texture_mirror_clamp, GL_EXT_texture_object, <br> GL_EXT_texture_rectangle, GL_EXT_vertex_array, GL_APPLE_packed_pixels, <br> GL_ATI_draw_buffers, GL_ATI_texture_env_combine3, <br>
GL_ATI_texture_mirror_once, GL_ATIX_texture_env_combine3, <br> GL_IBM_texture_mirrored_repeat, GL_INGR_blend_func_separate, <br> GL_MESA_pack_invert, GL_MESA_ycbcr_texture, GL_NV_blend_square, <br> GL_NV_fragment_program, GL_NV_light_max_exponent, GL_NV_point_sprite, <br>
GL_NV_texgen_reflection, GL_NV_texture_rectangle, GL_NV_vertex_program, <br> GL_NV_vertex_program1_1, GL_SGI_color_matrix, GL_SGI_color_table, <br> GL_SGIS_generate_mipmap, GL_SGIS_texture_border_clamp, <br> GL_SGIS_texture_edge_clamp, GL_SGIS_texture_lod, GL_SGIX_depth_texture, <br>
GL_SGIX_shadow, GL_SGIX_shadow_ambient, GL_SUN_multi_draw_arrays<br><br> visual x bf lv rg d st colorbuffer ax dp st accumbuffer ms cav<br> id dep cl sp sz l ci b ro r g b a bf th cl r g b a ns b eat<br>
----------------------------------------------------------------------<br>0x23 24 tc 0 24 0 r y . 8 8 8 0 0 16 0 0 0 0 0 0 0 None<br>0x24 24 tc 0 24 0 r y . 8 8 8 0 0 16 8 16 16 16 0 0 0 None<br>
0x25 24 tc 0 32 0 r y . 8 8 8 8 0 16 8 16 16 16 16 0 0 None<br>0x26 24 tc 0 32 0 r . . 8 8 8 8 0 16 8 16 16 16 16 0 0 None<br>0x27 24 dc 0 24 0 r y . 8 8 8 0 0 16 0 0 0 0 0 0 0 None<br>
0x28 24 dc 0 24 0 r y . 8 8 8 0 0 16 8 16 16 16 0 0 0 None<br>0x29 24 dc 0 32 0 r y . 8 8 8 8 0 16 8 16 16 16 16 0 0 None<br>0x2a 24 dc 0 32 0 r . . 8 8 8 8 0 16 8 16 16 16 16 0 0 None<br>
0x58 32 tc 0 32 0 r . . 8 8 8 8 0 0 0 0 0 0 0 0 0 Ncon<br> </div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><br>
Then start the example in terminal using gdb and create a backtrace.<br>
See here<br>
<a href="http://wiki.lazarus.freepascal.org/Creating_a_Backtrace_with_GDB#Linux.2FBSD_Users.2FMacOSX" target="_blank">http://wiki.lazarus.freepascal.org/Creating_a_Backtrace_with_GDB#Linux.2FBSD_Users.2FMacOSX</a><br>
<div class="Ih2E3d"><br>
</div></blockquote></div> I am not able to create a backtrace, I cannot compile the example, when I open it lazarus said:<br>The system.ppu was not found in the fpc directories. Make sure fpc is installed...<br><br>Andrea<br>