{ $Id$ Translation of the Mesa GLUT headers for FreePascal Linux Version, Copyright (C) 1999 Sebastian Guenther Mesa 3-D graphics library Version: 3.0 Copyright (C) 1995-1998 Brian Paul This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. } {$MODE delphi} unit GLUT; interface uses GL; function InitGLUTFromLibrary(libname: PChar): Boolean; // determines automatically which library to use: function InitGLUT: Boolean; var GLUTInitialized: Boolean; const // Display mode bit masks GLUT_RGB = 0; GLUT_RGBA = GLUT_RGB; GLUT_INDEX = 1; GLUT_SINGLE = 0; GLUT_DOUBLE = 2; GLUT_ACCUM = 4; GLUT_ALPHA = 8; GLUT_DEPTH = 16; GLUT_STENCIL = 32; GLUT_MULTISAMPLE = 128; GLUT_STEREO = 256; GLUT_LUMINANCE = 512; // Mouse buttons GLUT_LEFT_BUTTON = 0; GLUT_MIDDLE_BUTTON = 1; GLUT_RIGHT_BUTTON = 2; // Mouse button state GLUT_DOWN = 0; GLUT_UP = 1; // Keys ### // Enter / exit state GLUT_LEFT = 0; GLUT_ENTERED = 1; // Menu usage state GLUT_MENU_NOT_IN_USE = 0; GLUT_MENU_IN_USE = 1; // Visibility state GLUT_NOT_VISIBLE = 0; GLUT_VISIBLE = 1; // Window status state GLUT_HIDDEN = 0; GLUT_FULLY_RETAINED = 1; GLUT_PARTIALLY_RETAINED = 2; GLUT_FULLY_COVERED = 3; // Color index component selection values GLUT_RED = 0; GLUT_GREEN = 1; GLUT_BLUE = 2; // Layers for use GLUT_NORMAL = 0; GLUT_OVERLAY = 1; // Bitmap stuff### // glutGet parameters GLUT_WINDOW_X = 100; GLUT_WINDOW_Y = 101; GLUT_WINDOW_WIDTH = 102; GLUT_WINDOW_HEIGHT = 103; GLUT_WINDOW_BUFFER_SIZE = 104; GLUT_WINDOW_STENCIL_SIZE = 105; GLUT_WINDOW_DEPTH_SIZE = 106; GLUT_WINDOW_RED_SIZE = 107; GLUT_WINDOW_GREEN_SIZE = 108; GLUT_WINDOW_BLUE_SIZE = 109; GLUT_WINDOW_ALPHA_SIZE = 110; GLUT_WINDOW_ACCUM_RED_SIZE = 111; GLUT_WINDOW_ACCUM_GREEN_SIZE = 112; GLUT_WINDOW_ACCUM_BLUE_SIZE = 113; GLUT_WINDOW_ACCUM_ALPHA_SIZE = 114; GLUT_WINDOW_DOUBLEBUFFER = 115; GLUT_WINDOW_RGBA = 116; GLUT_WINDOW_PARENT = 117; GLUT_WINDOW_NUM_CHILDREN = 118; GLUT_WINDOW_COLORMAP_SIZE = 119; GLUT_WINDOW_NUM_SAMPLES = 120; GLUT_WINDOW_STEREO = 121; GLUT_WINDOW_CURSOR = 122; GLUT_SCREEN_WIDTH = 200; GLUT_SCREEN_HEIGHT = 201; GLUT_SCREEN_WIDTH_MM = 202; GLUT_SCREEN_HEIGHT_MM = 203; GLUT_MENU_NUM_ITEMS = 300; GLUT_DISPLAY_MODE_POSSIBLE = 400; GLUT_INIT_WINDOW_X = 500; GLUT_INIT_WINDOW_Y = 501; GLUT_INIT_WINDOW_WIDTH = 502; GLUT_INIT_WINDOW_HEIGHT = 503; GLUT_INIT_DISPLAY_MODE = 504; GLUT_ELAPSED_TIME = 700; GLUT_WINDOW_FORMAT_ID = 123; // glutDeviceGet parameters GLUT_HAS_KEYBOARD = 600; GLUT_HAS_MOUSE = 601; GLUT_HAS_SPACEBALL = 602; GLUT_HAS_DIAL_AND_BUTTON_BOX = 603; GLUT_HAS_TABLET = 604; GLUT_NUM_MOUSE_BUTTONS = 605; GLUT_NUM_SPACEBALL_BUTTONS = 606; GLUT_NUM_BUTTON_BOX_BUTTONS = 607; GLUT_NUM_DIALS = 608; GLUT_NUM_TABLET_BUTTONS = 609; GLUT_DEVICE_IGNORE_KEY_REPEAT = 610; GLUT_DEVICE_KEY_REPEAT = 611; GLUT_HAS_JOYSTICK = 612; GLUT_OWNS_JOYSTICK = 613; GLUT_JOYSTICK_BUTTONS = 614; GLUT_JOYSTICK_AXES = 615; GLUT_JOYSTICK_POLL_RATE = 616; // glutLayerGet parameters GLUT_OVERLAY_POSSIBLE = 800; GLUT_LAYER_IN_USE = 801; GLUT_HAS_OVERLAY = 802; GLUT_TRANSPARENT_INDEX = 803; GLUT_NORMAL_DAMAGED = 804; GLUT_OVERLAY_DAMAGED = 805; // glutVideoResizeGet parameters GLUT_VIDEO_RESIZE_POSSIBLE = 900; GLUT_VIDEO_RESIZE_IN_USE = 901; GLUT_VIDEO_RESIZE_X_DELTA = 902; GLUT_VIDEO_RESIZE_Y_DELTA = 903; GLUT_VIDEO_RESIZE_WIDTH_DELTA = 904; GLUT_VIDEO_RESIZE_HEIGHT_DELTA= 905; GLUT_VIDEO_RESIZE_X = 906; GLUT_VIDEO_RESIZE_Y = 907; GLUT_VIDEO_RESIZE_WIDTH = 908; GLUT_VIDEO_RESIZE_HEIGHT = 909; // glutGetModifiers return mask GLUT_ACTIVE_SHIFT = 1; GLUT_ACTIVE_CTRL = 2; GLUT_ACTIVE_ALT = 4; // Cursor stuff ### // GLUT window callback sub-API type TGlutDisplayFunc = procedure; cdecl; TGlutReshapeFunc = procedure(width, height: Integer); cdecl; TGlutTimerFunc = procedure(value: Integer); cdecl; // GLUT game mode sub-API // glutGameModeGet const GLUT_GAME_MODE_ACTIVE = 0; GLUT_GAME_MODE_POSSIBLE = 1; GLUT_GAME_MODE_WIDTH = 2; GLUT_GAME_MODE_HEIGHT = 3; GLUT_GAME_MODE_PIXEL_DEPTH = 4; GLUT_GAME_MODE_REFRESH_RATE = 5; GLUT_GAME_MODE_DISPLAY_CHANGED= 6; var // GLUT initialization sub-API glutInit: procedure(var argcp: Integer; var argv: PChar); cdecl; glutInitDisplayMode: procedure(mode: LongWord); cdecl; glutInitDisplayString: procedure(AString: PChar); cdecl; glutInitWindowPosition: procedure(x, y: Integer); cdecl; glutInitWindowSize: procedure(width, height: Integer); cdecl; glutMainLoop: procedure; cdecl; // GLUT window sub-API glutCreateWindow: function(title: PChar): Integer; cdecl; glutCreateSubWindow: function(win, x, y, width, height: Integer): Integer; cdecl; glutDestroyWindow: procedure(win: Integer); cdecl; glutPostRedisplay: procedure; cdecl; glutPostWindowRedisplay: procedure(win: Integer); cdecl; glutSwapBuffers: procedure; cdecl; glutGetWindow: function: Integer; cdecl; glutSetWindow: procedure(win: Integer); cdecl; glutSetWindowTitle: procedure(title: PChar); cdecl; glutSetIconTitle: procedure(title: PChar); cdecl; glutPositionWindow: procedure(x, y: Integer); cdecl; glutReshapeWindow: procedure(width, height: Integer); cdecl; glutPopWindow: procedure; cdecl; glutPushWindow: procedure; cdecl; glutIconifyWindow: procedure; cdecl; glutShowWindow: procedure; cdecl; glutHideWindow: procedure; cdecl; glutFullScreen: procedure; cdecl; glutSetCursor: procedure(cursor: Integer); cdecl; glutWarpPointer: procedure(x, y: Integer); cdecl; //overlays ### //menus ### // GLUT window callback sub-API glutDisplayFunc: procedure(func: TGlutDisplayFunc); cdecl; glutReshapeFunc: procedure(func: TGlutReshapeFunc); cdecl; glutTimerFunc: procedure(millis: LongWord; func: TGlutTimerFunc; value: Integer); cdecl; // GLUTAPI void APIENTRY glutDisplayFunc(void (GLUTCALLBACK * func)(void)); // GLUTAPI void APIENTRY glutReshapeFunc(void (GLUTCALLBACK * func)(int width, int height)); // GLUTAPI void APIENTRY glutKeyboardFunc(void (GLUTCALLBACK * func)(unsigned char key, int x, int y)); // GLUTAPI void APIENTRY glutMouseFunc(void (GLUTCALLBACK * func)(int button, int state, int x, int y)); // GLUTAPI void APIENTRY glutMotionFunc(void (GLUTCALLBACK * func)(int x, int y)); // GLUTAPI void APIENTRY glutPassiveMotionFunc(void (GLUTCALLBACK * func)(int x, int y)); // GLUTAPI void APIENTRY glutEntryFunc(void (GLUTCALLBACK * func)(int state)); // GLUTAPI void APIENTRY glutVisibilityFunc(void (GLUTCALLBACK * func)(int state)); // GLUTAPI void APIENTRY glutIdleFunc(void (GLUTCALLBACK * func)(void)); // GLUTAPI void APIENTRY glutTimerFunc(unsigned int millis, void (GLUTCALLBACK * func)(int value), int value); // GLUTAPI void APIENTRY glutMenuStateFunc(void (GLUTCALLBACK * func)(int state)); // GLUTAPI void APIENTRY glutSpecialFunc(void (GLUTCALLBACK * func)(int key, int x, int y)); // GLUTAPI void APIENTRY glutSpaceballMotionFunc(void (GLUTCALLBACK * func)(int x, int y, int z)); // GLUTAPI void APIENTRY glutSpaceballRotateFunc(void (GLUTCALLBACK * func)(int x, int y, int z)); // GLUTAPI void APIENTRY glutSpaceballButtonFunc(void (GLUTCALLBACK * func)(int button, int state)); // GLUTAPI void APIENTRY glutButtonBoxFunc(void (GLUTCALLBACK * func)(int button, int state)); // GLUTAPI void APIENTRY glutDialsFunc(void (GLUTCALLBACK * func)(int dial, int value)); // GLUTAPI void APIENTRY glutTabletMotionFunc(void (GLUTCALLBACK * func)(int x, int y)); // GLUTAPI void APIENTRY glutTabletButtonFunc(void (GLUTCALLBACK * func)(int button, int state, int x, int y)); // GLUTAPI void APIENTRY glutMenuStatusFunc(void (GLUTCALLBACK * func)(int status, int x, int y)); // GLUTAPI void APIENTRY glutOverlayDisplayFunc(void (GLUTCALLBACK * func)(void)); // GLUTAPI void APIENTRY glutWindowStatusFunc(void (GLUTCALLBACK * func)(int state)); // GLUTAPI void APIENTRY glutKeyboardUpFunc(void (GLUTCALLBACK * func)(unsigned char key, int x, int y)); // GLUTAPI void APIENTRY glutSpecialUpFunc(void (GLUTCALLBACK * func)(int key, int x, int y)); // GLUTAPI void APIENTRY glutJoystickFunc(void (GLUTCALLBACK * func)(unsigned int buttonMask, int x, int y, int z), int pollInterval) // GLUT color index sub-API glutSetColor: procedure(index: Integer; red, green, blue: Single); cdecl; glutGetColor: function(ndx, component: Integer): Single; cdecl; glutCopyColormap: procedure(win: Integer); cdecl; // GLUT state retrieval sub-API glutGet: function(AType: GLEnum): Integer; cdecl; glutDeviceGet: function(AType: GLEnum): Integer; cdecl; glutExtensionSupported: function(name: PChar): Integer; cdecl; glutGetModifiers: function: Integer; cdecl; glutLayerGet: function(AType: GLEnum): Integer; cdecl; // fonts ### // pre-built models ### // video resize ### // debugging ### // device control ### // GLUT game mode sub-API glutGameModeString: procedure(AString: PChar); cdecl; glutEnterGameMode: function: Integer; cdecl; glutLeaveGameMode: procedure; cdecl; glutGameModeGet: function(mode: GLEnum): Integer; cdecl; implementation {$LINKLIB Xmu} function dlopen(AFile: PChar; mode: LongInt): Pointer; external 'dl'; function dlclose(handle: Pointer): LongInt; external 'dl'; function dlsym(handle: Pointer; name: PChar): Pointer; external 'dl'; function LoadLibrary(name: PChar): Pointer; begin Result := dlopen(name, $101 {RTLD_GLOBAL or RTLD_LAZY}); end; procedure FreeLibrary(handle: Pointer); begin dlclose(handle); end; function GetProc(handle: Pointer; name: PChar): Pointer; begin Result := dlsym(handle, name); // if Result = nil then WriteLn('Unresolved: ', name); end; var libGLUT: Pointer; function InitGLUTFromLibrary(libname: PChar): Boolean; begin Result := False; libGLUT := LoadLibrary(libname); if not Assigned(libGLUT) then exit; glutInit := GetProc(libglut, 'glutInit'); glutInitDisplayMode := GetProc(libglut, 'glutInitDisplayMode'); glutInitDisplayString := GetProc(libglut, 'glutInitDisplayString'); glutInitWindowPosition := GetProc(libglut, 'glutInitWindowPosition'); glutInitWindowSize := GetProc(libglut, 'glutInitWindowSize'); glutMainLoop := GetProc(libglut, 'glutMainLoop'); glutCreateWindow := GetProc(libglut, 'glutCreateWindow'); glutCreateSubWindow := GetProc(libglut, 'glutCreateSubWindow'); glutDestroyWindow := GetProc(libglut, 'glutDestroyWindow'); glutPostRedisplay := GetProc(libglut, 'glutPostRedisplay'); glutPostWindowRedisplay := GetProc(libglut, 'glutPostWindowRedisplay'); glutSwapBuffers := GetProc(libglut, 'glutSwapBuffers'); glutGetWindow := GetProc(libglut, 'glutGetWindow'); glutSetWindow := GetProc(libglut, 'glutSetWindow'); glutSetWindowTitle := GetProc(libglut, 'glutSetWindowTitle'); glutSetIconTitle := GetProc(libglut, 'glutSetIconTitle'); glutPositionWindow := GetProc(libglut, 'glutPositionWindow'); glutReshapeWindow := GetProc(libglut, 'glutReshapeWindow'); glutPopWindow := GetProc(libglut, 'glutPopWindow'); glutPushWindow := GetProc(libglut, 'glutPushWindow'); glutIconifyWindow := GetProc(libglut, 'glutIconifyWindow'); glutShowWindow := GetProc(libglut, 'glutShowWindow'); glutHideWindow := GetProc(libglut, 'glutHideWindow'); glutFullScreen := GetProc(libglut, 'glutFullScreen'); glutSetCursor := GetProc(libglut, 'glutSetCursor'); glutWarpPointer := GetProc(libglut, 'glutWarpPointer'); glutDisplayFunc := GetProc(libglut, 'glutDisplayFunc'); glutReshapeFunc := GetProc(libglut, 'glutReshapeFunc'); glutTimerFunc := GetProc(libglut, 'glutTimerFunc'); glutSetColor := GetProc(libglut, 'glutSetColor'); glutGetColor := GetProc(libglut, 'glutGetColor'); glutCopyColormap := GetProc(libglut, 'glutCopyColormap'); glutGet := GetProc(libglut, 'glutGet'); glutDeviceGet := GetProc(libglut, 'glutDeviceGet'); glutExtensionSupported := GetProc(libglut, 'glutExtensionSupported'); glutGetModifiers := GetProc(libglut, 'glutGetModifiers'); glutLayerGet := GetProc(libglut, 'glutLayerGet'); glutGameModeString := GetProc(libglut, 'glutGameModeString'); glutEnterGameMode := GetProc(libglut, 'glutEnterGameMode'); glutLeaveGameMode := GetProc(libglut, 'glutLeaveGameMode'); glutGameModeGet := GetProc(libglut, 'glutGameModeGet'); GLUTInitialized := True; Result := True; end; function InitGLUT: Boolean; begin Result := InitGLUTFromLibrary('libglut.so.1'); end; finalization if Assigned(libGLUT) then FreeLibrary(libGLUT); end. { $Log$ Revision 1.3 2000-01-26 21:21:50 peter * link with .so.1 files, the .so files are for development only and not available in runtime installs. }