glIsTexture: determine if a name corresponds to a texture.
C Specification |
glIsTexture returns GL_TRUE if
texture is currently the name of a texture. If
texture is zero, or is a non-zero value that is not currently
the name of a texture, or if an error occurs, glIsTexture returns
glIsTexture is available only if the GL version is 1.1 or greater.
- Specifies a value that may be the name of a texture.
- GL_INVALID_OPERATION is generated if glIsTexture is executed between the
execution of glBegin and the
corresponding execution of glEnd.