'''OpenGL extension EXT.texture_perturb_normal This module customises the behaviour of the OpenGL.raw.GL.EXT.texture_perturb_normal to provide a more Python-friendly API Overview (from the spec) This extension defines a mechanism for using texture values to perturb the fragment normal vector prior to fragment lighting. It enables a direct implementation of the original formulation of bump mapping by Blinn. The official definition of this extension is available here: http://www.opengl.org/registry/specs/EXT/texture_perturb_normal.txt ''' from OpenGL import platform, constant, arrays from OpenGL import extensions, wrapper import ctypes from OpenGL.raw.GL import _types, _glgets from OpenGL.raw.GL.EXT.texture_perturb_normal import * from OpenGL.raw.GL.EXT.texture_perturb_normal import _EXTENSION_NAME def glInitTexturePerturbNormalEXT(): '''Return boolean indicating whether this extension is available''' from OpenGL import extensions return extensions.hasGLExtension( _EXTENSION_NAME ) ### END AUTOGENERATED SECTION