GL_EXT_texture3D http://www.opengl.org/registry/specs/EXT/texture3D.txt GL_EXT_texture3D GL_PACK_SKIP_IMAGES_EXT 0x806B GL_PACK_IMAGE_HEIGHT_EXT 0x806C GL_UNPACK_SKIP_IMAGES_EXT 0x806D GL_UNPACK_IMAGE_HEIGHT_EXT 0x806E GL_TEXTURE_3D_EXT 0x806F GL_PROXY_TEXTURE_3D_EXT 0x8070 GL_TEXTURE_DEPTH_EXT 0x8071 GL_TEXTURE_WRAP_R_EXT 0x8072 GL_MAX_3D_TEXTURE_SIZE_EXT 0x8073 void glTexImage3DEXT (GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const void *pixels)