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glActiveTextureARB - select active texture unit
void
glActiveTextureARB( GLenum texture )
eqn not supported
- texture
- Specifies which texture unit to make
active. The number of texture units is implementation dependent, but must
be at least two. texture must be one of GL_TEXTURE$i$_ARB, where 0 <= $
i $ < GL_MAX_TEXTURE_UNITS_ARB, which is an implementation-dependent value.
The initial value is GL_TEXTURE0_ARB.
glActiveTextureARB selects
which texture unit subsequent texture state calls will affect. The number
of texture units an implementation supports is implementation dependent,
but must be at least 2.
Vertex arrays are client-side GL resources, which
are selected by the glClientActiveTextureARB routine.
glActiveTextureARB
is only supported if GL_ARB_multitexture is included in the string returned
by glGetString when called with the argument GL_EXTENSIONS.
GL_INVALID_ENUM
is generated if texture is not one of GL_TEXTURE$i$_ARB,
where 0 <= $ i $ < GL_MAX_TEXTURE_UNITS_ARB.
glClientActiveTextureARB(3G)
,
glGetIntegerv(3G)
, glMultiTexCoordARB(3G)
, glTexParameter(3G)
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