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261 lines
6.9 KiB
Smarty
261 lines
6.9 KiB
Smarty
{
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$Id$
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Translation of the Mesa GLUT headers for FreePascal
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Linux Version, Copyright (C) 1999 Sebastian Guenther
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Mesa 3-D graphics library
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Version: 3.0
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Copyright (C) 1995-1998 Brian Paul
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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}
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{$MODE delphi}
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unit GLUT;
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interface
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uses GL;
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function InitGLUTFromLibrary(libname: PChar): Boolean;
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// determines automatically which library to use:
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function InitGLUT: Boolean;
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var
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GLUTInitialized: Boolean;
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const
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// Display mode bit masks
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GLUT_RGB = 0;
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GLUT_RGBA = GLUT_RGB;
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GLUT_INDEX = 1;
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GLUT_SINGLE = 0;
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GLUT_DOUBLE = 2;
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GLUT_ACCUM = 4;
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GLUT_ALPHA = 8;
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GLUT_DEPTH = 16;
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GLUT_STENCIL = 32;
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GLUT_MULTISAMPLE = 128;
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GLUT_STEREO = 256;
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GLUT_LUMINANCE = 512;
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// Mouse buttons
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GLUT_LEFT_BUTTON = 0;
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GLUT_MIDDLE_BUTTON = 1;
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GLUT_RIGHT_BUTTON = 2;
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// Mouse button state
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GLUT_DOWN = 0;
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GLUT_UP = 1;
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// Keys ###
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// Enter / exit state
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GLUT_LEFT = 0;
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GLUT_ENTERED = 1;
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// Menu usage state
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GLUT_MENU_NOT_IN_USE = 0;
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GLUT_MENU_IN_USE = 1;
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// Visibility state
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GLUT_NOT_VISIBLE = 0;
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GLUT_VISIBLE = 1;
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// Window status state
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GLUT_HIDDEN = 0;
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GLUT_FULLY_RETAINED = 1;
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GLUT_PARTIALLY_RETAINED = 2;
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GLUT_FULLY_COVERED = 3;
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// Color index component selection values
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GLUT_RED = 0;
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GLUT_GREEN = 1;
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GLUT_BLUE = 2;
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// Layers for use
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GLUT_NORMAL = 0;
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GLUT_OVERLAY = 1;
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// Bitmap stuff###
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// glutGet parameters
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GLUT_WINDOW_X = 100;
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GLUT_WINDOW_Y = 101;
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GLUT_WINDOW_WIDTH = 102;
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GLUT_WINDOW_HEIGHT = 103;
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GLUT_WINDOW_BUFFER_SIZE = 104;
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GLUT_WINDOW_STENCIL_SIZE = 105;
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GLUT_WINDOW_DEPTH_SIZE = 106;
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GLUT_WINDOW_RED_SIZE = 107;
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GLUT_WINDOW_GREEN_SIZE = 108;
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GLUT_WINDOW_BLUE_SIZE = 109;
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GLUT_WINDOW_ALPHA_SIZE = 110;
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GLUT_WINDOW_ACCUM_RED_SIZE = 111;
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GLUT_WINDOW_ACCUM_GREEN_SIZE = 112;
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GLUT_WINDOW_ACCUM_BLUE_SIZE = 113;
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GLUT_WINDOW_ACCUM_ALPHA_SIZE = 114;
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GLUT_WINDOW_DOUBLEBUFFER = 115;
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GLUT_WINDOW_RGBA = 116;
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GLUT_WINDOW_PARENT = 117;
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GLUT_WINDOW_NUM_CHILDREN = 118;
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GLUT_WINDOW_COLORMAP_SIZE = 119;
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GLUT_WINDOW_NUM_SAMPLES = 120;
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GLUT_WINDOW_STEREO = 121;
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GLUT_WINDOW_CURSOR = 122;
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GLUT_SCREEN_WIDTH = 200;
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GLUT_SCREEN_HEIGHT = 201;
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GLUT_SCREEN_WIDTH_MM = 202;
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GLUT_SCREEN_HEIGHT_MM = 203;
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GLUT_MENU_NUM_ITEMS = 300;
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GLUT_DISPLAY_MODE_POSSIBLE = 400;
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GLUT_INIT_WINDOW_X = 500;
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GLUT_INIT_WINDOW_Y = 501;
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GLUT_INIT_WINDOW_WIDTH = 502;
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GLUT_INIT_WINDOW_HEIGHT = 503;
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GLUT_INIT_DISPLAY_MODE = 504;
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GLUT_ELAPSED_TIME = 700;
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GLUT_WINDOW_FORMAT_ID = 123;
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// glutDeviceGet parameters
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GLUT_HAS_KEYBOARD = 600;
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GLUT_HAS_MOUSE = 601;
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GLUT_HAS_SPACEBALL = 602;
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GLUT_HAS_DIAL_AND_BUTTON_BOX = 603;
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GLUT_HAS_TABLET = 604;
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GLUT_NUM_MOUSE_BUTTONS = 605;
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GLUT_NUM_SPACEBALL_BUTTONS = 606;
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GLUT_NUM_BUTTON_BOX_BUTTONS = 607;
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GLUT_NUM_DIALS = 608;
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GLUT_NUM_TABLET_BUTTONS = 609;
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GLUT_DEVICE_IGNORE_KEY_REPEAT = 610;
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GLUT_DEVICE_KEY_REPEAT = 611;
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GLUT_HAS_JOYSTICK = 612;
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GLUT_OWNS_JOYSTICK = 613;
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GLUT_JOYSTICK_BUTTONS = 614;
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GLUT_JOYSTICK_AXES = 615;
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GLUT_JOYSTICK_POLL_RATE = 616;
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// glutLayerGet parameters
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GLUT_OVERLAY_POSSIBLE = 800;
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GLUT_LAYER_IN_USE = 801;
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GLUT_HAS_OVERLAY = 802;
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GLUT_TRANSPARENT_INDEX = 803;
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GLUT_NORMAL_DAMAGED = 804;
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GLUT_OVERLAY_DAMAGED = 805;
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// glutVideoResizeGet parameters
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GLUT_VIDEO_RESIZE_POSSIBLE = 900;
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GLUT_VIDEO_RESIZE_IN_USE = 901;
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GLUT_VIDEO_RESIZE_X_DELTA = 902;
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GLUT_VIDEO_RESIZE_Y_DELTA = 903;
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GLUT_VIDEO_RESIZE_WIDTH_DELTA = 904;
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GLUT_VIDEO_RESIZE_HEIGHT_DELTA= 905;
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GLUT_VIDEO_RESIZE_X = 906;
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GLUT_VIDEO_RESIZE_Y = 907;
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GLUT_VIDEO_RESIZE_WIDTH = 908;
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GLUT_VIDEO_RESIZE_HEIGHT = 909;
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// glutGetModifiers return mask
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GLUT_ACTIVE_SHIFT = 1;
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GLUT_ACTIVE_CTRL = 2;
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GLUT_ACTIVE_ALT = 4;
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// Cursor stuff ###
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// GLUT window callback sub-API
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type
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TGlutDisplayFunc = procedure; #extdecl;
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TGlutReshapeFunc = procedure(width, height: Integer); #extdecl;
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TGlutTimerFunc = procedure(value: Integer); #extdecl;
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// GLUT game mode sub-API
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// glutGameModeGet
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const
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GLUT_GAME_MODE_ACTIVE = 0;
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GLUT_GAME_MODE_POSSIBLE = 1;
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GLUT_GAME_MODE_WIDTH = 2;
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GLUT_GAME_MODE_HEIGHT = 3;
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GLUT_GAME_MODE_PIXEL_DEPTH = 4;
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GLUT_GAME_MODE_REFRESH_RATE = 5;
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GLUT_GAME_MODE_DISPLAY_CHANGED= 6;
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var
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%GLUTProcs1
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implementation
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{$LINKLIB Xmu}
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function dlopen(AFile: PChar; mode: LongInt): Pointer; external 'dl';
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function dlclose(handle: Pointer): LongInt; external 'dl';
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function dlsym(handle: Pointer; name: PChar): Pointer; external 'dl';
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function LoadLibrary(name: PChar): Pointer;
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begin
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Result := dlopen(name, $101 {RTLD_GLOBAL or RTLD_LAZY});
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end;
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procedure FreeLibrary(handle: Pointer);
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begin
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dlclose(handle);
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end;
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function GetProc(handle: Pointer; name: PChar): Pointer;
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begin
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Result := dlsym(handle, name);
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// if Result = nil then WriteLn('Unresolved: ', name);
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end;
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var
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libGLUT: Pointer;
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function InitGLUTFromLibrary(libname: PChar): Boolean;
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begin
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Result := False;
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libGLUT := LoadLibrary(libname);
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if not Assigned(libGLUT) then exit;
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%GLUTProcs2
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GLUTInitialized := True;
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Result := True;
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end;
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function InitGLUT: Boolean;
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begin
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Result := InitGLUTFromLibrary('libglut.so.1');
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end;
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finalization
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if Assigned(libGLUT) then FreeLibrary(libGLUT);
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end.
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