How to use the vispy.glapi._GL_ENUM function in vispy

GL_NOTEQUAL = _GL_ENUM('GL_NOTEQUAL', 517)
    GL_GEQUAL = _GL_ENUM('GL_GEQUAL', 518)
    GL_ALWAYS = _GL_ENUM('GL_ALWAYS', 519)
    GL_KEEP = _GL_ENUM('GL_KEEP', 7680)
    GL_REPLACE = _GL_ENUM('GL_REPLACE', 7681)
    GL_INCR = _GL_ENUM('GL_INCR', 7682)
    GL_DECR = _GL_ENUM('GL_DECR', 7683)
    GL_INVERT = _GL_ENUM('GL_INVERT', 5386)
    GL_INCR_WRAP = _GL_ENUM('GL_INCR_WRAP', 34055)
    GL_DECR_WRAP = _GL_ENUM('GL_DECR_WRAP', 34056)
    GL_VENDOR = _GL_ENUM('GL_VENDOR', 7936)
    GL_RENDERER = _GL_ENUM('GL_RENDERER', 7937)
    GL_VERSION = _GL_ENUM('GL_VERSION', 7938)
    GL_EXTENSIONS = _GL_ENUM('GL_EXTENSIONS', 7939)
    GL_NEAREST = _GL_ENUM('GL_NEAREST', 9728)
    GL_LINEAR = _GL_ENUM('GL_LINEAR', 9729)
    GL_NEAREST_MIPMAP_NEAREST = _GL_ENUM('GL_NEAREST_MIPMAP_NEAREST', 9984)
    GL_LINEAR_MIPMAP_NEAREST = _GL_ENUM('GL_LINEAR_MIPMAP_NEAREST', 9985)
    GL_NEAREST_MIPMAP_LINEAR = _GL_ENUM('GL_NEAREST_MIPMAP_LINEAR', 9986)
    GL_LINEAR_MIPMAP_LINEAR = _GL_ENUM('GL_LINEAR_MIPMAP_LINEAR', 9987)
    GL_TEXTURE_MAG_FILTER = _GL_ENUM('GL_TEXTURE_MAG_FILTER', 10240)
    GL_TEXTURE_MIN_FILTER = _GL_ENUM('GL_TEXTURE_MIN_FILTER', 10241)
    GL_TEXTURE_WRAP_S = _GL_ENUM('GL_TEXTURE_WRAP_S', 10242)
    GL_TEXTURE_WRAP_T = _GL_ENUM('GL_TEXTURE_WRAP_T', 10243)
    GL_TEXTURE = _GL_ENUM('GL_TEXTURE', 5890)
    GL_TEXTURE_CUBE_MAP = _GL_ENUM('GL_TEXTURE_CUBE_MAP', 34067)
    GL_TEXTURE_BINDING_CUBE_MAP = _GL_ENUM('GL_TEXTURE_BINDING_CUBE_MAP', 34068)
    GL_TEXTURE_CUBE_MAP_POSITIVE_X = _GL_ENUM('GL_TEXTURE_CUBE_MAP_POSITIVE_X', 34069)
    GL_TEXTURE_CUBE_MAP_NEGATIVE_X = _GL_ENUM('GL_TEXTURE_CUBE_MAP_NEGATIVE_X', 34070)
    GL_TEXTURE_CUBE_MAP_POSITIVE_Y = _GL_ENUM('GL_TEXTURE_CUBE_MAP_POSITIVE_Y', 34071)
    GL_TEXTURE_CUBE_MAP_NEGATIVE_Y = _GL_ENUM('GL_TEXTURE_CUBE_MAP_NEGATIVE_Y', 34072)
    GL_TEXTURE_CUBE_MAP_POSITIVE_Z = _GL_ENUM('GL_TEXTURE_CUBE_MAP_POSITIVE_Z', 34073)

GL_DEPTH_BITS = _GL_ENUM('GL_DEPTH_BITS', 3414)
    GL_STENCIL_BITS = _GL_ENUM('GL_STENCIL_BITS', 3415)
    GL_POLYGON_OFFSET_UNITS = _GL_ENUM('GL_POLYGON_OFFSET_UNITS', 10752)
    GL_POLYGON_OFFSET_FACTOR = _GL_ENUM('GL_POLYGON_OFFSET_FACTOR', 32824)
    GL_TEXTURE_BINDING_2D = _GL_ENUM('GL_TEXTURE_BINDING_2D', 32873)
    GL_SAMPLE_BUFFERS = _GL_ENUM('GL_SAMPLE_BUFFERS', 32936)
    GL_SAMPLES = _GL_ENUM('GL_SAMPLES', 32937)
    GL_SAMPLE_COVERAGE_VALUE = _GL_ENUM('GL_SAMPLE_COVERAGE_VALUE', 32938)
    GL_SAMPLE_COVERAGE_INVERT = _GL_ENUM('GL_SAMPLE_COVERAGE_INVERT', 32939)
    GL_NUM_COMPRESSED_TEXTURE_FORMATS = _GL_ENUM('GL_NUM_COMPRESSED_TEXTURE_FORMATS', 34466)
    GL_COMPRESSED_TEXTURE_FORMATS = _GL_ENUM('GL_COMPRESSED_TEXTURE_FORMATS', 34467)
    GL_DONT_CARE = _GL_ENUM('GL_DONT_CARE', 4352)
    GL_FASTEST = _GL_ENUM('GL_FASTEST', 4353)
    GL_NICEST = _GL_ENUM('GL_NICEST', 4354)
    GL_GENERATE_MIPMAP_HINT = _GL_ENUM('GL_GENERATE_MIPMAP_HINT', 33170)
    GL_BYTE = _GL_ENUM('GL_BYTE', 5120)
    GL_UNSIGNED_BYTE = _GL_ENUM('GL_UNSIGNED_BYTE', 5121)
    GL_SHORT = _GL_ENUM('GL_SHORT', 5122)
    GL_UNSIGNED_SHORT = _GL_ENUM('GL_UNSIGNED_SHORT', 5123)
    GL_INT = _GL_ENUM('GL_INT', 5124)
    GL_UNSIGNED_INT = _GL_ENUM('GL_UNSIGNED_INT', 5125)
    GL_FLOAT = _GL_ENUM('GL_FLOAT', 5126)
    GL_FIXED = _GL_ENUM('GL_FIXED', 5132)
    GL_DEPTH_COMPONENT = _GL_ENUM('GL_DEPTH_COMPONENT', 6402)
    GL_ALPHA = _GL_ENUM('GL_ALPHA', 6406)
    GL_RGB = _GL_ENUM('GL_RGB', 6407)
    GL_RGBA = _GL_ENUM('GL_RGBA', 6408)
    GL_LUMINANCE = _GL_ENUM('GL_LUMINANCE', 6409)
    GL_LUMINANCE_ALPHA = _GL_ENUM('GL_LUMINANCE_ALPHA', 6410)
    GL_UNSIGNED_SHORT_4_4_4_4 = _GL_ENUM('GL_UNSIGNED_SHORT_4_4_4_4', 32819)
    GL_UNSIGNED_SHORT_5_5_5_1 = _GL_ENUM('GL_UNSIGNED_SHORT_5_5_5_1', 32820)
    GL_UNSIGNED_SHORT_5_6_5 = _GL_ENUM('GL_UNSIGNED_SHORT_5_6_5', 33635)

GL_SAMPLER_EXTERNAL = _GL_ENUM('GL_SAMPLER_EXTERNAL', 36198)
    GL_TEXTURE_BINDING_EXTERNAL = _GL_ENUM('GL_TEXTURE_BINDING_EXTERNAL', 36199)
    GL_REQUIRED_TEXTURE_IMAGE_UNITS = _GL_ENUM('GL_REQUIRED_TEXTURE_IMAGE_UNITS', 36200)
    GL_PROGRAM_BINARY_LENGTH = _GL_ENUM('GL_PROGRAM_BINARY_LENGTH', 34625)
    GL_NUM_PROGRAM_BINARY_FORMATS = _GL_ENUM('GL_NUM_PROGRAM_BINARY_FORMATS', 34814)
    GL_PROGRAM_BINARY_FORMATS = _GL_ENUM('GL_PROGRAM_BINARY_FORMATS', 34815)
    GL_WRITE_ONLY = _GL_ENUM('GL_WRITE_ONLY', 35001)
    GL_BUFFER_ACCESS = _GL_ENUM('GL_BUFFER_ACCESS', 35003)
    GL_BUFFER_MAPPED = _GL_ENUM('GL_BUFFER_MAPPED', 35004)
    GL_BUFFER_MAP_POINTER = _GL_ENUM('GL_BUFFER_MAP_POINTER', 35005)
    GL_DEPTH_STENCIL = _GL_ENUM('GL_DEPTH_STENCIL', 34041)
    GL_UNSIGNED_INT_24_8 = _GL_ENUM('GL_UNSIGNED_INT_24_8', 34042)
    GL_DEPTH24_STENCIL8 = _GL_ENUM('GL_DEPTH24_STENCIL8', 35056)
    GL_ALPHA8 = _GL_ENUM('GL_ALPHA8', 32828)
    GL_DEPTH_COMPONENT16 = _GL_ENUM('GL_DEPTH_COMPONENT16', 33189)
    GL_LUMINANCE4_ALPHA4 = _GL_ENUM('GL_LUMINANCE4_ALPHA4', 32835)
    GL_LUMINANCE8_ALPHA8 = _GL_ENUM('GL_LUMINANCE8_ALPHA8', 32837)
    GL_LUMINANCE8 = _GL_ENUM('GL_LUMINANCE8', 32832)
    GL_RGBA4 = _GL_ENUM('GL_RGBA4', 32854)
    GL_RGB5_A1 = _GL_ENUM('GL_RGB5_A1', 32855)
    GL_RGB565 = _GL_ENUM('GL_RGB565', 36194)
    GL_RGB8 = _GL_ENUM('GL_RGB8', 32849)
    GL_RGBA8 = _GL_ENUM('GL_RGBA8', 32856)
    GL_FRAGMENT_SHADER_DERIVATIVE_HINT = _GL_ENUM('GL_FRAGMENT_SHADER_DERIVATIVE_HINT', 35723)
    GL_STENCIL_INDEX1 = _GL_ENUM('GL_STENCIL_INDEX1', 36166)
    GL_STENCIL_INDEX4 = _GL_ENUM('GL_STENCIL_INDEX4', 36167)
    GL_FRAMEBUFFER_UNDEFINED = _GL_ENUM('GL_FRAMEBUFFER_UNDEFINED', 33305)
    GL_TEXTURE_WRAP_R = _GL_ENUM('GL_TEXTURE_WRAP_R', 32882)
    GL_TEXTURE_3D = _GL_ENUM('GL_TEXTURE_3D', 32879)
    GL_TEXTURE_BINDING_3D = _GL_ENUM('GL_TEXTURE_BINDING_3D', 32874)
    GL_MAX_3D_TEXTURE_SIZE = _GL_ENUM('GL_MAX_3D_TEXTURE_SIZE', 32883)
    GL_SAMPLER_3D = _GL_ENUM('GL_SAMPLER_3D', 35679)

GL_BOOL_VEC4 = _GL_ENUM('GL_BOOL_VEC4', 35673)
    GL_FLOAT_MAT2 = _GL_ENUM('GL_FLOAT_MAT2', 35674)
    GL_FLOAT_MAT3 = _GL_ENUM('GL_FLOAT_MAT3', 35675)
    GL_FLOAT_MAT4 = _GL_ENUM('GL_FLOAT_MAT4', 35676)
    GL_SAMPLER_2D = _GL_ENUM('GL_SAMPLER_2D', 35678)
    GL_SAMPLER_CUBE = _GL_ENUM('GL_SAMPLER_CUBE', 35680)
    GL_VERTEX_ATTRIB_ARRAY_ENABLED = _GL_ENUM('GL_VERTEX_ATTRIB_ARRAY_ENABLED', 34338)
    GL_VERTEX_ATTRIB_ARRAY_SIZE = _GL_ENUM('GL_VERTEX_ATTRIB_ARRAY_SIZE', 34339)
    GL_VERTEX_ATTRIB_ARRAY_STRIDE = _GL_ENUM('GL_VERTEX_ATTRIB_ARRAY_STRIDE', 34340)
    GL_VERTEX_ATTRIB_ARRAY_TYPE = _GL_ENUM('GL_VERTEX_ATTRIB_ARRAY_TYPE', 34341)
    GL_VERTEX_ATTRIB_ARRAY_NORMALIZED = _GL_ENUM('GL_VERTEX_ATTRIB_ARRAY_NORMALIZED', 34922)
    GL_VERTEX_ATTRIB_ARRAY_POINTER = _GL_ENUM('GL_VERTEX_ATTRIB_ARRAY_POINTER', 34373)
    GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING = _GL_ENUM('GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING', 34975)
    GL_IMPLEMENTATION_COLOR_READ_TYPE = _GL_ENUM('GL_IMPLEMENTATION_COLOR_READ_TYPE', 35738)
    GL_IMPLEMENTATION_COLOR_READ_FORMAT = _GL_ENUM('GL_IMPLEMENTATION_COLOR_READ_FORMAT', 35739)
    GL_COMPILE_STATUS = _GL_ENUM('GL_COMPILE_STATUS', 35713)
    GL_INFO_LOG_LENGTH = _GL_ENUM('GL_INFO_LOG_LENGTH', 35716)
    GL_SHADER_SOURCE_LENGTH = _GL_ENUM('GL_SHADER_SOURCE_LENGTH', 35720)
    GL_SHADER_COMPILER = _GL_ENUM('GL_SHADER_COMPILER', 36346)
    GL_SHADER_BINARY_FORMATS = _GL_ENUM('GL_SHADER_BINARY_FORMATS', 36344)
    GL_NUM_SHADER_BINARY_FORMATS = _GL_ENUM('GL_NUM_SHADER_BINARY_FORMATS', 36345)
    GL_LOW_FLOAT = _GL_ENUM('GL_LOW_FLOAT', 36336)
    GL_MEDIUM_FLOAT = _GL_ENUM('GL_MEDIUM_FLOAT', 36337)
    GL_HIGH_FLOAT = _GL_ENUM('GL_HIGH_FLOAT', 36338)
    GL_LOW_INT = _GL_ENUM('GL_LOW_INT', 36339)
    GL_MEDIUM_INT = _GL_ENUM('GL_MEDIUM_INT', 36340)
    GL_HIGH_INT = _GL_ENUM('GL_HIGH_INT', 36341)
    GL_FRAMEBUFFER = _GL_ENUM('GL_FRAMEBUFFER', 36160)
    GL_RENDERBUFFER = _GL_ENUM('GL_RENDERBUFFER', 36161)
    GL_RGBA4 = _GL_ENUM('GL_RGBA4', 32854)
    GL_RGB5_A1 = _GL_ENUM('GL_RGB5_A1', 32855)
    GL_RGB565 = _GL_ENUM('GL_RGB565', 36194)

GL_TEXTURE = _GL_ENUM('GL_TEXTURE', 5890)
    GL_TEXTURE_CUBE_MAP = _GL_ENUM('GL_TEXTURE_CUBE_MAP', 34067)
    GL_TEXTURE_BINDING_CUBE_MAP = _GL_ENUM('GL_TEXTURE_BINDING_CUBE_MAP', 34068)
    GL_TEXTURE_CUBE_MAP_POSITIVE_X = _GL_ENUM('GL_TEXTURE_CUBE_MAP_POSITIVE_X', 34069)
    GL_TEXTURE_CUBE_MAP_NEGATIVE_X = _GL_ENUM('GL_TEXTURE_CUBE_MAP_NEGATIVE_X', 34070)
    GL_TEXTURE_CUBE_MAP_POSITIVE_Y = _GL_ENUM('GL_TEXTURE_CUBE_MAP_POSITIVE_Y', 34071)
    GL_TEXTURE_CUBE_MAP_NEGATIVE_Y = _GL_ENUM('GL_TEXTURE_CUBE_MAP_NEGATIVE_Y', 34072)
    GL_TEXTURE_CUBE_MAP_POSITIVE_Z = _GL_ENUM('GL_TEXTURE_CUBE_MAP_POSITIVE_Z', 34073)
    GL_TEXTURE_CUBE_MAP_NEGATIVE_Z = _GL_ENUM('GL_TEXTURE_CUBE_MAP_NEGATIVE_Z', 34074)
    GL_MAX_CUBE_MAP_TEXTURE_SIZE = _GL_ENUM('GL_MAX_CUBE_MAP_TEXTURE_SIZE', 34076)
    GL_TEXTURE0 = _GL_ENUM('GL_TEXTURE0', 33984)
    GL_TEXTURE1 = _GL_ENUM('GL_TEXTURE1', 33985)
    GL_TEXTURE2 = _GL_ENUM('GL_TEXTURE2', 33986)
    GL_TEXTURE3 = _GL_ENUM('GL_TEXTURE3', 33987)
    GL_TEXTURE4 = _GL_ENUM('GL_TEXTURE4', 33988)
    GL_TEXTURE5 = _GL_ENUM('GL_TEXTURE5', 33989)
    GL_TEXTURE6 = _GL_ENUM('GL_TEXTURE6', 33990)
    GL_TEXTURE7 = _GL_ENUM('GL_TEXTURE7', 33991)
    GL_TEXTURE8 = _GL_ENUM('GL_TEXTURE8', 33992)
    GL_TEXTURE9 = _GL_ENUM('GL_TEXTURE9', 33993)
    GL_TEXTURE10 = _GL_ENUM('GL_TEXTURE10', 33994)
    GL_TEXTURE11 = _GL_ENUM('GL_TEXTURE11', 33995)
    GL_TEXTURE12 = _GL_ENUM('GL_TEXTURE12', 33996)
    GL_TEXTURE13 = _GL_ENUM('GL_TEXTURE13', 33997)
    GL_TEXTURE14 = _GL_ENUM('GL_TEXTURE14', 33998)
    GL_TEXTURE15 = _GL_ENUM('GL_TEXTURE15', 33999)
    GL_TEXTURE16 = _GL_ENUM('GL_TEXTURE16', 34000)
    GL_TEXTURE17 = _GL_ENUM('GL_TEXTURE17', 34001)
    GL_TEXTURE18 = _GL_ENUM('GL_TEXTURE18', 34002)
    GL_TEXTURE19 = _GL_ENUM('GL_TEXTURE19', 34003)
    GL_TEXTURE20 = _GL_ENUM('GL_TEXTURE20', 34004)
    GL_TEXTURE21 = _GL_ENUM('GL_TEXTURE21', 34005)

GL_NEAREST = _GL_ENUM('GL_NEAREST', 9728)
    GL_LINEAR = _GL_ENUM('GL_LINEAR', 9729)
    GL_NEAREST_MIPMAP_NEAREST = _GL_ENUM('GL_NEAREST_MIPMAP_NEAREST', 9984)
    GL_LINEAR_MIPMAP_NEAREST = _GL_ENUM('GL_LINEAR_MIPMAP_NEAREST', 9985)
    GL_NEAREST_MIPMAP_LINEAR = _GL_ENUM('GL_NEAREST_MIPMAP_LINEAR', 9986)
    GL_LINEAR_MIPMAP_LINEAR = _GL_ENUM('GL_LINEAR_MIPMAP_LINEAR', 9987)
    GL_TEXTURE_MAG_FILTER = _GL_ENUM('GL_TEXTURE_MAG_FILTER', 10240)
    GL_TEXTURE_MIN_FILTER = _GL_ENUM('GL_TEXTURE_MIN_FILTER', 10241)
    GL_TEXTURE_WRAP_S = _GL_ENUM('GL_TEXTURE_WRAP_S', 10242)
    GL_TEXTURE_WRAP_T = _GL_ENUM('GL_TEXTURE_WRAP_T', 10243)
    GL_TEXTURE = _GL_ENUM('GL_TEXTURE', 5890)
    GL_TEXTURE_CUBE_MAP = _GL_ENUM('GL_TEXTURE_CUBE_MAP', 34067)
    GL_TEXTURE_BINDING_CUBE_MAP = _GL_ENUM('GL_TEXTURE_BINDING_CUBE_MAP', 34068)
    GL_TEXTURE_CUBE_MAP_POSITIVE_X = _GL_ENUM('GL_TEXTURE_CUBE_MAP_POSITIVE_X', 34069)
    GL_TEXTURE_CUBE_MAP_NEGATIVE_X = _GL_ENUM('GL_TEXTURE_CUBE_MAP_NEGATIVE_X', 34070)
    GL_TEXTURE_CUBE_MAP_POSITIVE_Y = _GL_ENUM('GL_TEXTURE_CUBE_MAP_POSITIVE_Y', 34071)
    GL_TEXTURE_CUBE_MAP_NEGATIVE_Y = _GL_ENUM('GL_TEXTURE_CUBE_MAP_NEGATIVE_Y', 34072)
    GL_TEXTURE_CUBE_MAP_POSITIVE_Z = _GL_ENUM('GL_TEXTURE_CUBE_MAP_POSITIVE_Z', 34073)
    GL_TEXTURE_CUBE_MAP_NEGATIVE_Z = _GL_ENUM('GL_TEXTURE_CUBE_MAP_NEGATIVE_Z', 34074)
    GL_MAX_CUBE_MAP_TEXTURE_SIZE = _GL_ENUM('GL_MAX_CUBE_MAP_TEXTURE_SIZE', 34076)
    GL_TEXTURE0 = _GL_ENUM('GL_TEXTURE0', 33984)
    GL_TEXTURE1 = _GL_ENUM('GL_TEXTURE1', 33985)
    GL_TEXTURE2 = _GL_ENUM('GL_TEXTURE2', 33986)
    GL_TEXTURE3 = _GL_ENUM('GL_TEXTURE3', 33987)
    GL_TEXTURE4 = _GL_ENUM('GL_TEXTURE4', 33988)
    GL_TEXTURE5 = _GL_ENUM('GL_TEXTURE5', 33989)
    GL_TEXTURE6 = _GL_ENUM('GL_TEXTURE6', 33990)
    GL_TEXTURE7 = _GL_ENUM('GL_TEXTURE7', 33991)
    GL_TEXTURE8 = _GL_ENUM('GL_TEXTURE8', 33992)
    GL_TEXTURE9 = _GL_ENUM('GL_TEXTURE9', 33993)
    GL_TEXTURE10 = _GL_ENUM('GL_TEXTURE10', 33994)
    GL_TEXTURE11 = _GL_ENUM('GL_TEXTURE11', 33995)

GL_UNSIGNED_SHORT = _GL_ENUM('GL_UNSIGNED_SHORT', 5123)
    GL_INT = _GL_ENUM('GL_INT', 5124)
    GL_UNSIGNED_INT = _GL_ENUM('GL_UNSIGNED_INT', 5125)
    GL_FLOAT = _GL_ENUM('GL_FLOAT', 5126)
    GL_FIXED = _GL_ENUM('GL_FIXED', 5132)
    GL_DEPTH_COMPONENT = _GL_ENUM('GL_DEPTH_COMPONENT', 6402)
    GL_ALPHA = _GL_ENUM('GL_ALPHA', 6406)
    GL_RGB = _GL_ENUM('GL_RGB', 6407)
    GL_RGBA = _GL_ENUM('GL_RGBA', 6408)
    GL_LUMINANCE = _GL_ENUM('GL_LUMINANCE', 6409)
    GL_LUMINANCE_ALPHA = _GL_ENUM('GL_LUMINANCE_ALPHA', 6410)
    GL_UNSIGNED_SHORT_4_4_4_4 = _GL_ENUM('GL_UNSIGNED_SHORT_4_4_4_4', 32819)
    GL_UNSIGNED_SHORT_5_5_5_1 = _GL_ENUM('GL_UNSIGNED_SHORT_5_5_5_1', 32820)
    GL_UNSIGNED_SHORT_5_6_5 = _GL_ENUM('GL_UNSIGNED_SHORT_5_6_5', 33635)
    GL_FRAGMENT_SHADER = _GL_ENUM('GL_FRAGMENT_SHADER', 35632)
    GL_VERTEX_SHADER = _GL_ENUM('GL_VERTEX_SHADER', 35633)
    GL_MAX_VERTEX_ATTRIBS = _GL_ENUM('GL_MAX_VERTEX_ATTRIBS', 34921)
    GL_MAX_VERTEX_UNIFORM_VECTORS = _GL_ENUM('GL_MAX_VERTEX_UNIFORM_VECTORS', 36347)
    GL_MAX_VARYING_VECTORS = _GL_ENUM('GL_MAX_VARYING_VECTORS', 36348)
    GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS = _GL_ENUM('GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS', 35661)
    GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS = _GL_ENUM('GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS', 35660)
    GL_MAX_TEXTURE_IMAGE_UNITS = _GL_ENUM('GL_MAX_TEXTURE_IMAGE_UNITS', 34930)
    GL_MAX_FRAGMENT_UNIFORM_VECTORS = _GL_ENUM('GL_MAX_FRAGMENT_UNIFORM_VECTORS', 36349)
    GL_SHADER_TYPE = _GL_ENUM('GL_SHADER_TYPE', 35663)
    GL_DELETE_STATUS = _GL_ENUM('GL_DELETE_STATUS', 35712)
    GL_LINK_STATUS = _GL_ENUM('GL_LINK_STATUS', 35714)
    GL_VALIDATE_STATUS = _GL_ENUM('GL_VALIDATE_STATUS', 35715)
    GL_ATTACHED_SHADERS = _GL_ENUM('GL_ATTACHED_SHADERS', 35717)
    GL_ACTIVE_UNIFORMS = _GL_ENUM('GL_ACTIVE_UNIFORMS', 35718)
    GL_ACTIVE_UNIFORM_MAX_LENGTH = _GL_ENUM('GL_ACTIVE_UNIFORM_MAX_LENGTH', 35719)
    GL_ACTIVE_ATTRIBUTES = _GL_ENUM('GL_ACTIVE_ATTRIBUTES', 35721)
    GL_ACTIVE_ATTRIBUTE_MAX_LENGTH = _GL_ENUM('GL_ACTIVE_ATTRIBUTE_MAX_LENGTH', 35722)

GL_UNSIGNED_INT_24_8 = _GL_ENUM('GL_UNSIGNED_INT_24_8', 34042)
    GL_DEPTH_COMPONENT32 = _GL_ENUM('GL_DEPTH_COMPONENT32', 33191)
    GL_DEPTH24_STENCIL8 = _GL_ENUM('GL_DEPTH24_STENCIL8', 35056)
    GL_compressed_ETC1_RGB8_texture = _GL_ENUM('GL_compressed_ETC1_RGB8_texture', 1)
    GL_compressed_paletted_texture = _GL_ENUM('GL_compressed_paletted_texture', 1)
    GL_depth24 = _GL_ENUM('GL_depth24', 1)
    GL_depth32 = _GL_ENUM('GL_depth32', 1)
    GL_depth_texture = _GL_ENUM('GL_depth_texture', 1)
    GL_EGL_image = _GL_ENUM('GL_EGL_image', 1)
    GL_EGL_image_external = _GL_ENUM('GL_EGL_image_external', 1)
    GL_element_index_uint = _GL_ENUM('GL_element_index_uint', 1)
    GL_fbo_render_mipmap = _GL_ENUM('GL_fbo_render_mipmap', 1)
    GL_fragment_precision_high = _GL_ENUM('GL_fragment_precision_high', 1)
    GL_get_program_binary = _GL_ENUM('GL_get_program_binary', 1)
    GL_mapbuffer = _GL_ENUM('GL_mapbuffer', 1)
    GL_packed_depth_stencil = _GL_ENUM('GL_packed_depth_stencil', 1)
    GL_required_internalformat = _GL_ENUM('GL_required_internalformat', 1)
    GL_rgb8_rgba8 = _GL_ENUM('GL_rgb8_rgba8', 1)
    GL_standard_derivatives = _GL_ENUM('GL_standard_derivatives', 1)
    GL_stencil1 = _GL_ENUM('GL_stencil1', 1)
    GL_stencil4 = _GL_ENUM('GL_stencil4', 1)
    GL_surfaceless_context = _GL_ENUM('GL_surfaceless_context', 1)
    GL_texture_3D = _GL_ENUM('GL_texture_3D', 1)
    GL_texture_float = _GL_ENUM('GL_texture_float', 1)
    GL_texture_float_linear = _GL_ENUM('GL_texture_float_linear', 1)
    GL_texture_half_float = _GL_ENUM('GL_texture_half_float', 1)
    GL_texture_half_float_linear = _GL_ENUM('GL_texture_half_float_linear', 1)
    GL_texture_npot = _GL_ENUM('GL_texture_npot', 1)
    GL_vertex_array_object = _GL_ENUM('GL_vertex_array_object', 1)
    GL_vertex_half_float = _GL_ENUM('GL_vertex_half_float', 1)
    GL_vertex_type_10_10_10_2 = _GL_ENUM('GL_vertex_type_10_10_10_2', 1)

GL_DITHER = _GL_ENUM('GL_DITHER', 3024)
    GL_STENCIL_TEST = _GL_ENUM('GL_STENCIL_TEST', 2960)
    GL_DEPTH_TEST = _GL_ENUM('GL_DEPTH_TEST', 2929)
    GL_SCISSOR_TEST = _GL_ENUM('GL_SCISSOR_TEST', 3089)
    GL_POLYGON_OFFSET_FILL = _GL_ENUM('GL_POLYGON_OFFSET_FILL', 32823)
    GL_SAMPLE_ALPHA_TO_COVERAGE = _GL_ENUM('GL_SAMPLE_ALPHA_TO_COVERAGE', 32926)
    GL_SAMPLE_COVERAGE = _GL_ENUM('GL_SAMPLE_COVERAGE', 32928)
    GL_NO_ERROR = _GL_ENUM('GL_NO_ERROR', 0)
    GL_INVALID_ENUM = _GL_ENUM('GL_INVALID_ENUM', 1280)
    GL_INVALID_VALUE = _GL_ENUM('GL_INVALID_VALUE', 1281)
    GL_INVALID_OPERATION = _GL_ENUM('GL_INVALID_OPERATION', 1282)
    GL_OUT_OF_MEMORY = _GL_ENUM('GL_OUT_OF_MEMORY', 1285)
    GL_CW = _GL_ENUM('GL_CW', 2304)
    GL_CCW = _GL_ENUM('GL_CCW', 2305)
    GL_LINE_WIDTH = _GL_ENUM('GL_LINE_WIDTH', 2849)
    GL_ALIASED_POINT_SIZE_RANGE = _GL_ENUM('GL_ALIASED_POINT_SIZE_RANGE', 33901)
    GL_ALIASED_LINE_WIDTH_RANGE = _GL_ENUM('GL_ALIASED_LINE_WIDTH_RANGE', 33902)
    GL_CULL_FACE_MODE = _GL_ENUM('GL_CULL_FACE_MODE', 2885)
    GL_FRONT_FACE = _GL_ENUM('GL_FRONT_FACE', 2886)
    GL_DEPTH_RANGE = _GL_ENUM('GL_DEPTH_RANGE', 2928)
    GL_DEPTH_WRITEMASK = _GL_ENUM('GL_DEPTH_WRITEMASK', 2930)
    GL_DEPTH_CLEAR_VALUE = _GL_ENUM('GL_DEPTH_CLEAR_VALUE', 2931)
    GL_DEPTH_FUNC = _GL_ENUM('GL_DEPTH_FUNC', 2932)
    GL_STENCIL_CLEAR_VALUE = _GL_ENUM('GL_STENCIL_CLEAR_VALUE', 2961)
    GL_STENCIL_FUNC = _GL_ENUM('GL_STENCIL_FUNC', 2962)
    GL_STENCIL_FAIL = _GL_ENUM('GL_STENCIL_FAIL', 2964)
    GL_STENCIL_PASS_DEPTH_FAIL = _GL_ENUM('GL_STENCIL_PASS_DEPTH_FAIL', 2965)
    GL_STENCIL_PASS_DEPTH_PASS = _GL_ENUM('GL_STENCIL_PASS_DEPTH_PASS', 2966)
    GL_STENCIL_REF = _GL_ENUM('GL_STENCIL_REF', 2967)
    GL_STENCIL_VALUE_MASK = _GL_ENUM('GL_STENCIL_VALUE_MASK', 2963)
    GL_STENCIL_WRITEMASK = _GL_ENUM('GL_STENCIL_WRITEMASK', 2968)
    GL_STENCIL_BACK_FUNC = _GL_ENUM('GL_STENCIL_BACK_FUNC', 34816)

GL_SAMPLER_3D = _GL_ENUM('GL_SAMPLER_3D', 35679)
    GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_3D_ZOFFSET = _GL_ENUM('GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_3D_ZOFFSET', 36052)
    GL_HALF_FLOAT = _GL_ENUM('GL_HALF_FLOAT', 36193)
    GL_VERTEX_ARRAY_BINDING = _GL_ENUM('GL_VERTEX_ARRAY_BINDING', 34229)
    GL_UNSIGNED_INT_10_10_10_2 = _GL_ENUM('GL_UNSIGNED_INT_10_10_10_2', 36342)
    GL_INT_10_10_10_2 = _GL_ENUM('GL_INT_10_10_10_2', 36343)
    GL_DEPTH_STENCIL = _GL_ENUM('GL_DEPTH_STENCIL', 34041)
    GL_UNSIGNED_INT_24_8 = _GL_ENUM('GL_UNSIGNED_INT_24_8', 34042)
    GL_DEPTH_COMPONENT32 = _GL_ENUM('GL_DEPTH_COMPONENT32', 33191)
    GL_DEPTH24_STENCIL8 = _GL_ENUM('GL_DEPTH24_STENCIL8', 35056)
    GL_compressed_ETC1_RGB8_texture = _GL_ENUM('GL_compressed_ETC1_RGB8_texture', 1)
    GL_compressed_paletted_texture = _GL_ENUM('GL_compressed_paletted_texture', 1)
    GL_depth24 = _GL_ENUM('GL_depth24', 1)
    GL_depth32 = _GL_ENUM('GL_depth32', 1)
    GL_depth_texture = _GL_ENUM('GL_depth_texture', 1)
    GL_EGL_image = _GL_ENUM('GL_EGL_image', 1)
    GL_EGL_image_external = _GL_ENUM('GL_EGL_image_external', 1)
    GL_element_index_uint = _GL_ENUM('GL_element_index_uint', 1)
    GL_fbo_render_mipmap = _GL_ENUM('GL_fbo_render_mipmap', 1)
    GL_fragment_precision_high = _GL_ENUM('GL_fragment_precision_high', 1)
    GL_get_program_binary = _GL_ENUM('GL_get_program_binary', 1)
    GL_mapbuffer = _GL_ENUM('GL_mapbuffer', 1)
    GL_packed_depth_stencil = _GL_ENUM('GL_packed_depth_stencil', 1)
    GL_required_internalformat = _GL_ENUM('GL_required_internalformat', 1)
    GL_rgb8_rgba8 = _GL_ENUM('GL_rgb8_rgba8', 1)
    GL_standard_derivatives = _GL_ENUM('GL_standard_derivatives', 1)
    GL_stencil1 = _GL_ENUM('GL_stencil1', 1)
    GL_stencil4 = _GL_ENUM('GL_stencil4', 1)
    GL_surfaceless_context = _GL_ENUM('GL_surfaceless_context', 1)
    GL_texture_3D = _GL_ENUM('GL_texture_3D', 1)
    GL_texture_float = _GL_ENUM('GL_texture_float', 1)
    GL_texture_float_linear = _GL_ENUM('GL_texture_float_linear', 1)