GL_ATI_envmap_bumpmap http://oss.sgi.com/projects/ogl-sample/registry/ATI/envmap_bumpmap.txt GL_ATI_envmap_bumpmap GL_BUMP_ROT_MATRIX_ATI 0x8775 GL_BUMP_ROT_MATRIX_SIZE_ATI 0x8776 GL_BUMP_NUM_TEX_UNITS_ATI 0x8777 GL_BUMP_TEX_UNITS_ATI 0x8778 GL_DUDV_ATI 0x8779 GL_DU8DV8_ATI 0x877A GL_BUMP_ENVMAP_ATI 0x877B GL_BUMP_TARGET_ATI 0x877C void glTexBumpParameterivATI (GLenum pname, GLint *param) void glTexBumpParameterfvATI (GLenum pname, GLfloat *param) void glGetTexBumpParameterivATI (GLenum pname, GLint *param) void glGetTexBumpParameterfvATI (GLenum pname, GLfloat *param)