Determines if a name corresponds to a texture.
OpenGL C bindings library: libGL.a
GLboolean glIsTexture(GLuint texture)
| texture | Specifies a value which may be the name of a texture. |
The glIsTexture subroutine 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 GL_FALSE.
The glIsTexture subroutine is not included in display lists.
The glIsTexture subroutine is available only if the GL version is 1.1 or greater.
GL_INVALID_OPERATION is generated if glIsTexture is executed between the execution of glBegin and the corresponding execution of glEnd.
The glBindTexture subroutine, glDeleteTextures subroutine, glGenTextures subroutine, glGet subroutine, glGetTexParameter subroutine, glTexImage1D subroutine, glTexImage2D subroutine, glTexParameter subroutine.