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  man pages->Tru64 Unix man pages -> glInterleavedArrays (3)              



NAME    [Toc]    [Back]

       glInterleavedArrays  -  simultaneously  specify and enable
       several interleaved arrays

SYNOPSIS    [Toc]    [Back]

       void glInterleavedArrays(
               GLenum format,
               GLsizei stride,
               const GLvoid *pointer );

PARAMETERS    [Toc]    [Back]

       Specifies the type of array to enable. Symbolic  constants
       GL_V2F,   GL_V3F,  GL_C4UB_V2F,  GL_C4UB_V3F,  GL_C3F_V3F,
       GL_N3F_V3F,   GL_C4F_N3F_V3F,   GL_T2F_V3F,    GL_T4F_V4F,
       GL_T2F_C4UB_V3F,      GL_T2F_C3F_V3F,      GL_T2F_N3F_V3F,
       GL_T2F_C4F_N3F_V3F, and GL_T4F_C4F_N3F_V4F  are  accepted.
       Specifies the offset in bytes between each aggregate array

DESCRIPTION    [Toc]    [Back]

       glInterleavedArrays() lets you specify and enable individual
  color,  normal,  texture and vertex arrays whose elements
 are part of a larger aggregate  array  element.  For
       some implementations, this is more efficient than specifying
 the arrays separately.

       If stride is 0, the aggregate elements are stored consecutively.
  Otherwise,  stride bytes occur between the beginning
 of one aggregate array element and the  beginning  of
       the next aggregate array element.

       format  serves  as  a ``key'' describing the extraction of
       individual arrays from the aggregate array. If format contains
 a T, then texture coordinates are extracted from the
       interleaved array.  If C  is  present,  color  values  are
       extracted.   If  N  is  present,  normal  coordinates  are
       extracted. Vertex coordinates are always extracted.

       The digits  2,  3,  and  4  denote  how  many  values  are
       extracted. F indicates that values are extracted as floating-point
 values.  Colors  may  also  be  extracted  as  4
       unsigned  bytes  if  4UB  follows  the  C.   If a color is
       extracted as 4 unsigned bytes, the  vertex  array  element
       which  follows  is located at the first possible floatingpoint
 aligned address.

NOTES    [Toc]    [Back]

       glInterleavedArrays() is available only if the GL  version
       is 1.1 or greater.

       If  glInterleavedArrays() is called while compiling a display
 list, it is not compiled into the  list,  and  it  is
       executed immediately.

       Execution  of glInterleavedArrays() is not allowed between
       the execution of glBegin() and the corresponding execution
       of  glEnd(), but an error may or may not be generated.  If
       no error is generated, the operation is undefined.

       glInterleavedArrays()  is  typically  implemented  on  the
       client side.

       Vertex  array  parameters  are  client-side  state and are
       therefore not saved  or  restored  by  glPushAttrib()  and
       glPopAttrib(). Use glPushClientAttrib() and glPopClientAttrib()

       When the GL_ARB_multitexture extension is supported, glInterleavedArrays()
  only  updates  the  texture  coordinate
       array for the active  active  texture  unit.  The  texture
       coordinate  state  for  other  client texture units is not
       update, regardless if they are enabled or not.

ERRORS    [Toc]    [Back]

       GL_INVALID_ENUM is generated if format is not an  accepted

       GL_INVALID_VALUE is generated if stride is negative.

SEE ALSO    [Toc]    [Back]

       glArrayElement(3),  glClientActiveTextureARB(3),  glColorPointer(3),  glDrawArrays(3),  glDrawElements(3),  glEdgeFlagPointer(3),  glEnableClientState(3),  glGetPointer(3),
       glIndexPointer(3),     glNormalPointer(3),     glTexCoordPointer(3), glVertexPointer(3)

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