OpenGL.GL.ARB.vertex_blend

OpenGL extension ARB.vertex_blend

This module customises the behaviour of the OpenGL.raw.GL.ARB.vertex_blend to provide a more Python-friendly API

Overview (from the spec)

This extension provides the ability to replace the single modelview transformation with a set of n vertex units. (Where n is constrained to an implementation defined maximum.) Each unit has its own modelview transform matrix. For each unit, there is a current weight associated with the vertex. When this extension is enabled the vertices are transformed by the modelview matrices of all of the enabled units. Afterward, these results are scaled by the weights for the respective units and then summed to create the eye-space vertex. A similar procedure is followed for the normals, except they are transformed by the inverse transpose of the modelview matrices.

This extension is an orthoganalized version of functionality already provided by other 3D graphics API's.

The official definition of this extension is available here: http://www.opengl.org/registry/specs/ARB/vertex_blend.txt