glColorMaterial man page on DigitalUNIX

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glColorMaterial(3G)					   glColorMaterial(3G)

       glColorMaterial - cause a material color to track the current color

       void glColorMaterial(
	       GLenum face,
	       GLenum mode );

       Specifies  whether front, back, or both front and back material parame‐
       ters should track the current  color.  Accepted	values	are  GL_FRONT,
       GL_BACK, and GL_FRONT_AND_BACK. The initial value is GL_FRONT_AND_BACK.
       Specifies which of several material parameters track the current color.
       Accepted	 values	 are GL_EMISSION, GL_AMBIENT, GL_DIFFUSE, GL_SPECULAR,
       and GL_AMBIENT_AND_DIFFUSE. The initial	value  is  GL_AMBIENT_AND_DIF‐

       glColorMaterial() specifies which material parameters track the current
       color. When GL_COLOR_MATERIAL is enabled,  the  material	 parameter  or
       parameters specified by mode, of the material or materials specified by
       face, track the current color at all times.

       To enable and disable GL_COLOR_MATERIAL, call  glEnable	and  glDisable
       with  argument  GL_COLOR_MATERIAL.  GL_COLOR_MATERIAL is initially dis‐

       glColorMaterial() makes it possible to  change  a  subset  of  material
       parameters  for	each  vertex  using  only the glColor command, without
       calling glMaterial(). If only such a subset  of	parameters  is	to  be
       specified  for  each vertex, calling glColorMaterial() is preferable to
       calling glMaterial.

       Call glColorMaterial() before enabling GL_COLOR_MATERIAL.

       Calling glDrawElements(), glDrawArrays(), or glDrawRangeElements()  may
       leave  the  current color indeterminate, if the color array is enabled.
       If glColorMaterial() is enabled while the current color	is  indetermi‐
       nate,  the  lighting  material state specified by face and mode is also

       If the GL version is 1.1 or greater, and GL_COLOR_MATERIAL is  enabled,
       evaluated  color	 values affect the results of the lighting equation as
       if the current color were being modified, but no change is made to  the
       tracking lighting parameter of the current color.

       GL_INVALID_ENUM is generated if face or mode is not an accepted value.

       GL_INVALID_OPERATION  is	 generated  if	glColorMaterial()  is executed
       between the execution of glBegin() and the corresponding	 execution  of

       glIsEnabled() with argument GL_COLOR_MATERIAL
       glGet() with argument GL_COLOR_MATERIAL_PARAMETER
       glGet() with argument GL_COLOR_MATERIAL_FACE

       glColor(3),   glColorPointer(3),	  glDrawArrays(3),  glDrawElements(3),
       glDrawRangeElements(3), glEnable(3), glLight(3), glLightModel(3), glMa‐


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