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#21 GLSLANG

open
nobody
None
4
2012-09-15
2004-02-26
Anonymous
No

Hello, i have detected that the glVertexAttribArrays
function pointers, that own to
gl_vertex/fragment_programs, are needed for the
vertex/fragment_shader extensions, and if a card have
vertex/fragment_shader, but haven't
vertex/fragment_programs, these function pointers
arent assigned.
(one card with this issue are the Wildcat VP series of
3dlabs. They have the shader extensions, but havent
the _program extensions)

Discussion

  • Logged In: NO

    I think he is saying that the entrypoints that are shared
    between the extensions ARB_vertex_shader and
    ARB_vertex_program (e.g. glVertexAttrib4f) are not supplied
    by glew if ARB_vertex_program is not present but
    ARB_vertex_shader is.
    Essentially, both extensions describe the same entrypoints,
    but glew gets them from ARB_vertex_program only.

     
  • Nigel Stewart
    Nigel Stewart
    2008-10-21

    Yes, I think this is a bug.

    In the use case of building a "custom" lightweight GLEW, shared entry points an be left out inadvertently.

     


Anonymous


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