OpenGL.GL.EXT.texture_snorm

OpenGL extension EXT.texture_snorm

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

Overview (from the spec)

Fixed-point textures in unextended OpenGL have integer components, but those values are taken to represent floating-point values in the range These integer components are considered "unsigned normalized" integers. When such a texture is accessed by a shader or by fixed-function fragment processing, floating-point values are returned in the range [0.0,1.0 .

This extension provides a set of new "signed normalized" integer texture formats. These are taken to represent a floating-point value in the range [-1.0,1.0] with an exact 0.0.

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