--lualoader, R"EOF(--
--OpenGL binding, taken and modified from https://github.com/malkia/luajit-opencl

ffi.cdef[[
enum {
 GL_ACCUM                          = 0x0100,
 GL_LOAD                           = 0x0101,
 GL_RETURN                         = 0x0102,
 GL_MULT                           = 0x0103,
 GL_ADD                            = 0x0104,
 GL_NEVER                          = 0x0200,
 GL_LESS                           = 0x0201,
 GL_EQUAL                          = 0x0202,
 GL_LEQUAL                         = 0x0203,
 GL_GREATER                        = 0x0204,
 GL_NOTEQUAL                       = 0x0205,
 GL_GEQUAL                         = 0x0206,
 GL_ALWAYS                         = 0x0207,
 GL_CURRENT_BIT                    = 0x00000001,
 GL_POINT_BIT                      = 0x00000002,
 GL_LINE_BIT                       = 0x00000004,
 GL_POLYGON_BIT                    = 0x00000008,
 GL_POLYGON_STIPPLE_BIT            = 0x00000010,
 GL_PIXEL_MODE_BIT                 = 0x00000020,
 GL_LIGHTING_BIT                   = 0x00000040,
 GL_FOG_BIT                        = 0x00000080,
 GL_DEPTH_BUFFER_BIT               = 0x00000100,
 GL_ACCUM_BUFFER_BIT               = 0x00000200,
 GL_STENCIL_BUFFER_BIT             = 0x00000400,
 GL_VIEWPORT_BIT                   = 0x00000800,
 GL_TRANSFORM_BIT                  = 0x00001000,
 GL_ENABLE_BIT                     = 0x00002000,
 GL_COLOR_BUFFER_BIT               = 0x00004000,
 GL_HINT_BIT                       = 0x00008000,
 GL_EVAL_BIT                       = 0x00010000,
 GL_LIST_BIT                       = 0x00020000,
 GL_TEXTURE_BIT                    = 0x00040000,
 GL_SCISSOR_BIT                    = 0x00080000,
 GL_ALL_ATTRIB_BITS                = 0x000fffff,
 GL_POINTS                         = 0x0000,
 GL_LINES                          = 0x0001,
 GL_LINE_LOOP                      = 0x0002,
 GL_LINE_STRIP                     = 0x0003,
 GL_TRIANGLES                      = 0x0004,
 GL_TRIANGLE_STRIP                 = 0x0005,
 GL_TRIANGLE_FAN                   = 0x0006,
 GL_QUADS                          = 0x0007,
 GL_QUAD_STRIP                     = 0x0008,
 GL_POLYGON                        = 0x0009,
 GL_ZERO                           = 0,
 GL_ONE                            = 1,
 GL_SRC_COLOR                      = 0x0300,
 GL_ONE_MINUS_SRC_COLOR            = 0x0301,
 GL_SRC_ALPHA                      = 0x0302,
 GL_ONE_MINUS_SRC_ALPHA            = 0x0303,
 GL_DST_ALPHA                      = 0x0304,
 GL_ONE_MINUS_DST_ALPHA            = 0x0305,
 GL_DST_COLOR                      = 0x0306,
 GL_ONE_MINUS_DST_COLOR            = 0x0307,
 GL_SRC_ALPHA_SATURATE             = 0x0308,
 GL_TRUE                           = 1,
 GL_FALSE                          = 0,
 GL_CLIP_PLANE0                    = 0x3000,
 GL_CLIP_PLANE1                    = 0x3001,
 GL_CLIP_PLANE2                    = 0x3002,
 GL_CLIP_PLANE3                    = 0x3003,
 GL_CLIP_PLANE4                    = 0x3004,
 GL_CLIP_PLANE5                    = 0x3005,
 GL_BYTE                           = 0x1400,
 GL_UNSIGNED_BYTE                  = 0x1401,
 GL_SHORT                          = 0x1402,
 GL_UNSIGNED_SHORT                 = 0x1403,
 GL_INT                            = 0x1404,
 GL_UNSIGNED_INT                   = 0x1405,
 GL_FLOAT                          = 0x1406,
 GL_2_BYTES                        = 0x1407,
 GL_3_BYTES                        = 0x1408,
 GL_4_BYTES                        = 0x1409,
 GL_DOUBLE                         = 0x140A,
 GL_NONE                           = 0,
 GL_FRONT_LEFT                     = 0x0400,
 GL_FRONT_RIGHT                    = 0x0401,
 GL_BACK_LEFT                      = 0x0402,
 GL_BACK_RIGHT                     = 0x0403,
 GL_FRONT                          = 0x0404,
 GL_BACK                           = 0x0405,
 GL_LEFT                           = 0x0406,
 GL_RIGHT                          = 0x0407,
 GL_FRONT_AND_BACK                 = 0x0408,
 GL_AUX0                           = 0x0409,
 GL_AUX1                           = 0x040A,
 GL_AUX2                           = 0x040B,
 GL_AUX3                           = 0x040C,
 GL_NO_ERROR                       = 0,
 GL_INVALID_ENUM                   = 0x0500,
 GL_INVALID_VALUE                  = 0x0501,
 GL_INVALID_OPERATION              = 0x0502,
 GL_STACK_OVERFLOW                 = 0x0503,
 GL_STACK_UNDERFLOW                = 0x0504,
 GL_OUT_OF_MEMORY                  = 0x0505,
 GL_2D                             = 0x0600,
 GL_3D                             = 0x0601,
 GL_3D_COLOR                       = 0x0602,
 GL_3D_COLOR_TEXTURE               = 0x0603,
 GL_4D_COLOR_TEXTURE               = 0x0604,
 GL_PASS_THROUGH_TOKEN             = 0x0700,
 GL_POINT_TOKEN                    = 0x0701,
 GL_LINE_TOKEN                     = 0x0702,
 GL_POLYGON_TOKEN                  = 0x0703,
 GL_BITMAP_TOKEN                   = 0x0704,
 GL_DRAW_PIXEL_TOKEN               = 0x0705,
 GL_COPY_PIXEL_TOKEN               = 0x0706,
 GL_LINE_RESET_TOKEN               = 0x0707,
 GL_EXP                            = 0x0800,
 GL_EXP2                           = 0x0801,
 GL_CW                             = 0x0900,
 GL_CCW                            = 0x0901,
 GL_COEFF                          = 0x0A00,
 GL_ORDER                          = 0x0A01,
 GL_DOMAIN                         = 0x0A02,
 GL_CURRENT_COLOR                  = 0x0B00,
 GL_CURRENT_INDEX                  = 0x0B01,
 GL_CURRENT_NORMAL                 = 0x0B02,
 GL_CURRENT_TEXTURE_COORDS         = 0x0B03,
 GL_CURRENT_RASTER_COLOR           = 0x0B04,
 GL_CURRENT_RASTER_INDEX           = 0x0B05,
 GL_CURRENT_RASTER_TEXTURE_COORDS  = 0x0B06,
 GL_CURRENT_RASTER_POSITION        = 0x0B07,
 GL_CURRENT_RASTER_POSITION_VALID  = 0x0B08,
 GL_CURRENT_RASTER_DISTANCE        = 0x0B09,
 GL_POINT_SMOOTH                   = 0x0B10,
 GL_POINT_SIZE                     = 0x0B11,
 GL_POINT_SIZE_RANGE               = 0x0B12,
 GL_POINT_SIZE_GRANULARITY         = 0x0B13,
 GL_LINE_SMOOTH                    = 0x0B20,
 GL_LINE_WIDTH                     = 0x0B21,
 GL_LINE_WIDTH_RANGE               = 0x0B22,
 GL_LINE_WIDTH_GRANULARITY         = 0x0B23,
 GL_LINE_STIPPLE                   = 0x0B24,
 GL_LINE_STIPPLE_PATTERN           = 0x0B25,
 GL_LINE_STIPPLE_REPEAT            = 0x0B26,
 GL_LIST_MODE                      = 0x0B30,
 GL_MAX_LIST_NESTING               = 0x0B31,
 GL_LIST_BASE                      = 0x0B32,
 GL_LIST_INDEX                     = 0x0B33,
 GL_POLYGON_MODE                   = 0x0B40,
 GL_POLYGON_SMOOTH                 = 0x0B41,
 GL_POLYGON_STIPPLE                = 0x0B42,
 GL_EDGE_FLAG                      = 0x0B43,
 GL_CULL_FACE                      = 0x0B44,
 GL_CULL_FACE_MODE                 = 0x0B45,
 GL_FRONT_FACE                     = 0x0B46,
 GL_LIGHTING                       = 0x0B50,
 GL_LIGHT_MODEL_LOCAL_VIEWER       = 0x0B51,
 GL_LIGHT_MODEL_TWO_SIDE           = 0x0B52,
 GL_LIGHT_MODEL_AMBIENT            = 0x0B53,
 GL_SHADE_MODEL                    = 0x0B54,
 GL_COLOR_MATERIAL_FACE            = 0x0B55,
 GL_COLOR_MATERIAL_PARAMETER       = 0x0B56,
 GL_COLOR_MATERIAL                 = 0x0B57,
 GL_FOG                            = 0x0B60,
 GL_FOG_INDEX                      = 0x0B61,
 GL_FOG_DENSITY                    = 0x0B62,
 GL_FOG_START                      = 0x0B63,
 GL_FOG_END                        = 0x0B64,
 GL_FOG_MODE                       = 0x0B65,
 GL_FOG_COLOR                      = 0x0B66,
 GL_DEPTH_RANGE                    = 0x0B70,
 GL_DEPTH_TEST                     = 0x0B71,
 GL_DEPTH_WRITEMASK                = 0x0B72,
 GL_DEPTH_CLEAR_VALUE              = 0x0B73,
 GL_DEPTH_FUNC                     = 0x0B74,
 GL_ACCUM_CLEAR_VALUE              = 0x0B80,
 GL_STENCIL_TEST                   = 0x0B90,
 GL_STENCIL_CLEAR_VALUE            = 0x0B91,
 GL_STENCIL_FUNC                   = 0x0B92,
 GL_STENCIL_VALUE_MASK             = 0x0B93,
 GL_STENCIL_FAIL                   = 0x0B94,
 GL_STENCIL_PASS_DEPTH_FAIL        = 0x0B95,
 GL_STENCIL_PASS_DEPTH_PASS        = 0x0B96,
 GL_STENCIL_REF                    = 0x0B97,
 GL_STENCIL_WRITEMASK              = 0x0B98,
 GL_MATRIX_MODE                    = 0x0BA0,
 GL_NORMALIZE                      = 0x0BA1,
 GL_VIEWPORT                       = 0x0BA2,
 GL_MODELVIEW_STACK_DEPTH          = 0x0BA3,
 GL_PROJECTION_STACK_DEPTH         = 0x0BA4,
 GL_TEXTURE_STACK_DEPTH            = 0x0BA5,
 GL_MODELVIEW_MATRIX               = 0x0BA6,
 GL_PROJECTION_MATRIX              = 0x0BA7,
 GL_TEXTURE_MATRIX                 = 0x0BA8,
 GL_ATTRIB_STACK_DEPTH             = 0x0BB0,
 GL_CLIENT_ATTRIB_STACK_DEPTH      = 0x0BB1,
 GL_ALPHA_TEST                     = 0x0BC0,
 GL_ALPHA_TEST_FUNC                = 0x0BC1,
 GL_ALPHA_TEST_REF                 = 0x0BC2,
 GL_DITHER                         = 0x0BD0,
 GL_BLEND_DST                      = 0x0BE0,
 GL_BLEND_SRC                      = 0x0BE1,
 GL_BLEND                          = 0x0BE2,
 GL_LOGIC_OP_MODE                  = 0x0BF0,
 GL_INDEX_LOGIC_OP                 = 0x0BF1,
 GL_COLOR_LOGIC_OP                 = 0x0BF2,
 GL_AUX_BUFFERS                    = 0x0C00,
 GL_DRAW_BUFFER                    = 0x0C01,
 GL_READ_BUFFER                    = 0x0C02,
 GL_SCISSOR_BOX                    = 0x0C10,
 GL_SCISSOR_TEST                   = 0x0C11,
 GL_INDEX_CLEAR_VALUE              = 0x0C20,
 GL_INDEX_WRITEMASK                = 0x0C21,
 GL_COLOR_CLEAR_VALUE              = 0x0C22,
 GL_COLOR_WRITEMASK                = 0x0C23,
 GL_INDEX_MODE                     = 0x0C30,
 GL_RGBA_MODE                      = 0x0C31,
 GL_DOUBLEBUFFER                   = 0x0C32,
 GL_STEREO                         = 0x0C33,
 GL_RENDER_MODE                    = 0x0C40,
 GL_PERSPECTIVE_CORRECTION_HINT    = 0x0C50,
 GL_POINT_SMOOTH_HINT              = 0x0C51,
 GL_LINE_SMOOTH_HINT               = 0x0C52,
 GL_POLYGON_SMOOTH_HINT            = 0x0C53,
 GL_FOG_HINT                       = 0x0C54,
 GL_TEXTURE_GEN_S                  = 0x0C60,
 GL_TEXTURE_GEN_T                  = 0x0C61,
 GL_TEXTURE_GEN_R                  = 0x0C62,
 GL_TEXTURE_GEN_Q                  = 0x0C63,
 GL_PIXEL_MAP_I_TO_I               = 0x0C70,
 GL_PIXEL_MAP_S_TO_S               = 0x0C71,
 GL_PIXEL_MAP_I_TO_R               = 0x0C72,
 GL_PIXEL_MAP_I_TO_G               = 0x0C73,
 GL_PIXEL_MAP_I_TO_B               = 0x0C74,
 GL_PIXEL_MAP_I_TO_A               = 0x0C75,
 GL_PIXEL_MAP_R_TO_R               = 0x0C76,
 GL_PIXEL_MAP_G_TO_G               = 0x0C77,
 GL_PIXEL_MAP_B_TO_B               = 0x0C78,
 GL_PIXEL_MAP_A_TO_A               = 0x0C79,
 GL_PIXEL_MAP_I_TO_I_SIZE          = 0x0CB0,
 GL_PIXEL_MAP_S_TO_S_SIZE          = 0x0CB1,
 GL_PIXEL_MAP_I_TO_R_SIZE          = 0x0CB2,
 GL_PIXEL_MAP_I_TO_G_SIZE          = 0x0CB3,
 GL_PIXEL_MAP_I_TO_B_SIZE          = 0x0CB4,
 GL_PIXEL_MAP_I_TO_A_SIZE          = 0x0CB5,
 GL_PIXEL_MAP_R_TO_R_SIZE          = 0x0CB6,
 GL_PIXEL_MAP_G_TO_G_SIZE          = 0x0CB7,
 GL_PIXEL_MAP_B_TO_B_SIZE          = 0x0CB8,
 GL_PIXEL_MAP_A_TO_A_SIZE          = 0x0CB9,
 GL_UNPACK_SWAP_BYTES              = 0x0CF0,
 GL_UNPACK_LSB_FIRST               = 0x0CF1,
 GL_UNPACK_ROW_LENGTH              = 0x0CF2,
 GL_UNPACK_SKIP_ROWS               = 0x0CF3,
 GL_UNPACK_SKIP_PIXELS             = 0x0CF4,
 GL_UNPACK_ALIGNMENT               = 0x0CF5,
 GL_PACK_SWAP_BYTES                = 0x0D00,
 GL_PACK_LSB_FIRST                 = 0x0D01,
 GL_PACK_ROW_LENGTH                = 0x0D02,
 GL_PACK_SKIP_ROWS                 = 0x0D03,
 GL_PACK_SKIP_PIXELS               = 0x0D04,
 GL_PACK_ALIGNMENT                 = 0x0D05,
 GL_MAP_COLOR                      = 0x0D10,
 GL_MAP_STENCIL                    = 0x0D11,
 GL_INDEX_SHIFT                    = 0x0D12,
 GL_INDEX_OFFSET                   = 0x0D13,
 GL_RED_SCALE                      = 0x0D14,
 GL_RED_BIAS                       = 0x0D15,
 GL_ZOOM_X                         = 0x0D16,
 GL_ZOOM_Y                         = 0x0D17,
 GL_GREEN_SCALE                    = 0x0D18,
 GL_GREEN_BIAS                     = 0x0D19,
 GL_BLUE_SCALE                     = 0x0D1A,
 GL_BLUE_BIAS                      = 0x0D1B,
 GL_ALPHA_SCALE                    = 0x0D1C,
 GL_ALPHA_BIAS                     = 0x0D1D,
 GL_DEPTH_SCALE                    = 0x0D1E,
 GL_DEPTH_BIAS                     = 0x0D1F,
 GL_MAX_EVAL_ORDER                 = 0x0D30,
 GL_MAX_LIGHTS                     = 0x0D31,
 GL_MAX_CLIP_PLANES                = 0x0D32,
 GL_MAX_TEXTURE_SIZE               = 0x0D33,
 GL_MAX_PIXEL_MAP_TABLE            = 0x0D34,
 GL_MAX_ATTRIB_STACK_DEPTH         = 0x0D35,
 GL_MAX_MODELVIEW_STACK_DEPTH      = 0x0D36,
 GL_MAX_NAME_STACK_DEPTH           = 0x0D37,
 GL_MAX_PROJECTION_STACK_DEPTH     = 0x0D38,
 GL_MAX_TEXTURE_STACK_DEPTH        = 0x0D39,
 GL_MAX_VIEWPORT_DIMS              = 0x0D3A,
 GL_MAX_CLIENT_ATTRIB_STACK_DEPTH  = 0x0D3B,
 GL_SUBPIXEL_BITS                  = 0x0D50,
 GL_INDEX_BITS                     = 0x0D51,
 GL_RED_BITS                       = 0x0D52,
 GL_GREEN_BITS                     = 0x0D53,
 GL_BLUE_BITS                      = 0x0D54,
 GL_ALPHA_BITS                     = 0x0D55,
 GL_DEPTH_BITS                     = 0x0D56,
 GL_STENCIL_BITS                   = 0x0D57,
 GL_ACCUM_RED_BITS                 = 0x0D58,
 GL_ACCUM_GREEN_BITS               = 0x0D59,
 GL_ACCUM_BLUE_BITS                = 0x0D5A,
 GL_ACCUM_ALPHA_BITS               = 0x0D5B,
 GL_NAME_STACK_DEPTH               = 0x0D70,
 GL_AUTO_NORMAL                    = 0x0D80,
 GL_MAP1_COLOR_4                   = 0x0D90,
 GL_MAP1_INDEX                     = 0x0D91,
 GL_MAP1_NORMAL                    = 0x0D92,
 GL_MAP1_TEXTURE_COORD_1           = 0x0D93,
 GL_MAP1_TEXTURE_COORD_2           = 0x0D94,
 GL_MAP1_TEXTURE_COORD_3           = 0x0D95,
 GL_MAP1_TEXTURE_COORD_4           = 0x0D96,
 GL_MAP1_VERTEX_3                  = 0x0D97,
 GL_MAP1_VERTEX_4                  = 0x0D98,
 GL_MAP2_COLOR_4                   = 0x0DB0,
 GL_MAP2_INDEX                     = 0x0DB1,
 GL_MAP2_NORMAL                    = 0x0DB2,
 GL_MAP2_TEXTURE_COORD_1           = 0x0DB3,
 GL_MAP2_TEXTURE_COORD_2           = 0x0DB4,
 GL_MAP2_TEXTURE_COORD_3           = 0x0DB5,
 GL_MAP2_TEXTURE_COORD_4           = 0x0DB6,
 GL_MAP2_VERTEX_3                  = 0x0DB7,
 GL_MAP2_VERTEX_4                  = 0x0DB8,
 GL_MAP1_GRID_DOMAIN               = 0x0DD0,
 GL_MAP1_GRID_SEGMENTS             = 0x0DD1,
 GL_MAP2_GRID_DOMAIN               = 0x0DD2,
 GL_MAP2_GRID_SEGMENTS             = 0x0DD3,
 GL_TEXTURE_1D                     = 0x0DE0,
 GL_TEXTURE_2D                     = 0x0DE1,
 GL_FEEDBACK_BUFFER_POINTER        = 0x0DF0,
 GL_FEEDBACK_BUFFER_SIZE           = 0x0DF1,
 GL_FEEDBACK_BUFFER_TYPE           = 0x0DF2,
 GL_SELECTION_BUFFER_POINTER       = 0x0DF3,
 GL_SELECTION_BUFFER_SIZE          = 0x0DF4,
 GL_TEXTURE_WIDTH                  = 0x1000,
 GL_TEXTURE_HEIGHT                 = 0x1001,
 GL_TEXTURE_INTERNAL_FORMAT        = 0x1003,
 GL_TEXTURE_BORDER_COLOR           = 0x1004,
 GL_TEXTURE_BORDER                 = 0x1005,
 GL_DONT_CARE                      = 0x1100,
 GL_FASTEST                        = 0x1101,
 GL_NICEST                         = 0x1102,
 GL_LIGHT0                         = 0x4000,
 GL_LIGHT1                         = 0x4001,
 GL_LIGHT2                         = 0x4002,
 GL_LIGHT3                         = 0x4003,
 GL_LIGHT4                         = 0x4004,
 GL_LIGHT5                         = 0x4005,
 GL_LIGHT6                         = 0x4006,
 GL_LIGHT7                         = 0x4007,
};
]]

-- )EOF"
