Re: [Visualpython-users] Visualpython-users Digest, Vol 34, Issue 1

[Bruce S. <Bru...@nc...>]

As stated in the Visual 5 documentation (see What's new in Visual 5, or 
the "Materials & Textures" section of the documentation installed with 
Visual 5):

Materials will work with graphics cards that support Pixel Shader 3.0 
("PS 3.0"). For details, see
http://en.wikipedia.org/wiki/Pixel_shader#Hardware. Some materials may 
work with graphics cards that support PS 2.0, but other materials may 
need to be manually disabled; see instructions in the site-settings.py 
module in the Visual package in your site-packages folder. If the 
graphics hardware does not support pixel shaders, the material property 
is ignored. If you think you should be able to use materials but have 
trouble with their display or performance, we highly recommend upgrading 
your video card drivers to the latest version.

I don't see Intel 965/963 listed in that article as supporting Pixel 
Shader 3.0. And in your listing from glinfo, there are no entries that 
mention "shader". I just ran glinfo on an NVIDIA GeForce 7600 and I see 
the following relevant entries:

GL_ARB_fragment_shader
GL_ARB_shader_objects
GL_ARB_shading_language_100
GL_ARB_vertex_shader
GL_EXT_Cg_shader
GL_NV_texture_shader
GL_NV_texture_shader2
GL_NV_texture_shader3

Bruce Sherwood

Aaron Miller wrote:
>> Date: Tue, 24 Feb 2009 18:13:19 -0500
>> From: German Andres Gaviria Martinez <ger...@gm...>
> ...snip...
>> Hello  I have installed vpython 5 without problems,  but  when I run
>> material_test.py   only appear white spheres .
> 
> I have the same problem on a recent laptop.  The result from glinfo.py
> is below. What should I be looking for?
> 
> Thanks,
> Aaron Miller
> ajm...@al...
> 
> result of running glinfo.py:
> ----------------
> 
> This test of OpenGL options is useful mainly on Windows.
> 
>   c:\python25\lib\site-packages\visual\__init__.py Tue Jan 20 11:06:46 2009
>   c:\python25\lib\site-packages\visual\graph.py Fri Nov 14 19:59:00 2008
>   c:\windows\system32\opengl32.dll Thu Nov 02 05:46:12 2006
> OpenGL renderer active.
>   Vendor: Intel
>   Version: 1.5.0 - Build 7.14.10.1437
>   Renderer: Intel 965/963 Graphics Media Accelerator
>   Extensions: GL_3DFX_texture_compression_FXT1
> GL_ARB_depth_texture
> GL_ARB_fragment_program
> GL_ARB_multitexture
> GL_ARB_occlusion_query
> GL_ARB_point_parameters
> GL_ARB_shadow
> 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_rectangle
> GL_ARB_transpose_matrix
> 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_func_separate
> GL_EXT_blend_minmax
> GL_EXT_blend_subtract
> GL_EXT_clip_volume_hint
> GL_EXT_compiled_vertex_array
> GL_EXT_draw_range_elements
> GL_EXT_fog_coord
> GL_EXT_multi_draw_arrays
> GL_EXT_packed_pixels
> 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_texture3D
> GL_EXT_texture_compression_s3tc
> GL_EXT_texture_env_add
> GL_EXT_texture_env_combine
> GL_EXT_texture_filter_anisotropic
> GL_EXT_texture_lod_bias
> GL_EXT_texture_rectangle
> GL_IBM_texture_mirrored_repeat
> GL_NV_blend_square
> GL_NV_texgen_reflection
> GL_SGIS_generate_mipmap
> GL_SGIS_texture_edge_clamp
> GL_SGIS_texture_lod
> GL_WIN_swap_hint
> 
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