GL_OES_texture_cube_map
https://www.khronos.org/registry/OpenGL/extensions/OES/OES_texture_cube_map.txt
GL_OES_texture_cube_map

	GL_TEXTURE_GEN_MODE_OES 0x2500
	GL_NORMAL_MAP_OES 0x8511
	GL_REFLECTION_MAP_OES 0x8512
	GL_TEXTURE_CUBE_MAP_OES 0x8513
	GL_TEXTURE_BINDING_CUBE_MAP_OES 0x8514
	GL_TEXTURE_CUBE_MAP_POSITIVE_X_OES 0x8515
	GL_TEXTURE_CUBE_MAP_NEGATIVE_X_OES 0x8516
	GL_TEXTURE_CUBE_MAP_POSITIVE_Y_OES 0x8517
	GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_OES 0x8518
	GL_TEXTURE_CUBE_MAP_POSITIVE_Z_OES 0x8519
	GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_OES 0x851A
	GL_MAX_CUBE_MAP_TEXTURE_SIZE_OES 0x851C
	GL_TEXTURE_GEN_STR_OES 0x8D60
	void glGetTexGenfvOES (GLenum coord, GLenum pname, GLfloat* params)
	void glGetTexGenivOES (GLenum coord, GLenum pname, GLint* params)
	void glGetTexGenxvOES (GLenum coord, GLenum pname, GLfixed* params)
	void glTexGenfOES (GLenum coord, GLenum pname, GLfloat param)
	void glTexGenfvOES (GLenum coord, GLenum pname, const GLfloat* params)
	void glTexGeniOES (GLenum coord, GLenum pname, GLint param)
	void glTexGenivOES (GLenum coord, GLenum pname, const GLint* params)
	void glTexGenxOES (GLenum coord, GLenum pname, GLfixed param)
	void glTexGenxvOES (GLenum coord, GLenum pname, const GLfixed* params)