HP Workstation zx2000 OpenGL 1.1 Reference for HP-UX 11.x - Page 424

T glTexCoord Parameters s, t, r, q v Specify s, t, r, and q texture coordinates. Not all parameters are present in all forms of the command. Specifies a pointer to an array of one, two, three, or four elements, which in turn specify the s, t, r, and q texture coordinates. Description glTexCoord specifies texture coordinates in one, two, three, or four dimensions. glTexCoord1 sets the current texture coordinates to (s, 0, 0, 1); a call to glTexCoord2 sets them to (s, t, 0, 1). Similarly, glTexCoord3 specifies the texture coordinates as (s, t, r, 1), and glTexCoord4 defines all four components explicitly as (s, t, r, q). The current texture coordinates are part of the data that is associated with each vertex and with the current raster position. Initially, the values for s, t, r, and q are (0, 0, 0, 1). Notes The current texture coordinates can be updated at any time. In particular, glTexCoord can be called between a call to glBegin and the corresponding call to glEnd. Associated Gets glGet with argument GL_CURRENT_TEXTURE_COORDS See Also glTexCoordPointer, glVertex 424 Chapter 18