366 lines
13 KiB
Nim
366 lines
13 KiB
Nim
#
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#
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# Adaption of the delphi3d.net OpenGL units to FreePascal
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# Sebastian Guenther (sg@freepascal.org) in 2002
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# These units are free to use
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#
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# Copyright (c) Mark J. Kilgard, 1994, 1995, 1996.
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# This program is freely distributable without licensing fees and is
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# provided without guarantee or warrantee expressed or implied. This
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# program is -not- in the public domain.
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#******************************************************************************
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# Converted to Delphi by Tom Nuydens (tom@delphi3d.net)
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# Contributions by Igor Karpov (glygrik@hotbox.ru)
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# For the latest updates, visit Delphi3D: http://www.delphi3d.net
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#******************************************************************************
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import opengl
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{.deadCodeElim: on.}
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when defined(windows):
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const
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dllname = "glut32.dll"
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elif defined(macosx):
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const
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dllname = "/System/Library/Frameworks/GLUT.framework/GLUT"
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else:
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const
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dllname = "libglut.so.3"
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type
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TGlutVoidCallback* = proc (){.cdecl.}
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TGlut1IntCallback* = proc (value: cint){.cdecl.}
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TGlut2IntCallback* = proc (v1, v2: cint){.cdecl.}
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TGlut3IntCallback* = proc (v1, v2, v3: cint){.cdecl.}
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TGlut4IntCallback* = proc (v1, v2, v3, v4: cint){.cdecl.}
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TGlut1Char2IntCallback* = proc (c: int8, v1, v2: cint){.cdecl.}
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TGlut1UInt3IntCallback* = proc (u, v1, v2, v3: cint){.cdecl.}
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{.deprecated: [Pointer: pointer].}
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const
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GLUT_API_VERSION* = 3
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GLUT_XLIB_IMPLEMENTATION* = 12 # 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 # 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 # Mouse button state.
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GLUT_DOWN* = 0
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GLUT_UP* = 1 # function keys
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GLUT_KEY_F1* = 1
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GLUT_KEY_F2* = 2
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GLUT_KEY_F3* = 3
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GLUT_KEY_F4* = 4
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GLUT_KEY_F5* = 5
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GLUT_KEY_F6* = 6
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GLUT_KEY_F7* = 7
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GLUT_KEY_F8* = 8
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GLUT_KEY_F9* = 9
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GLUT_KEY_F10* = 10
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GLUT_KEY_F11* = 11
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GLUT_KEY_F12* = 12 # directional keys
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GLUT_KEY_LEFT* = 100
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GLUT_KEY_UP* = 101
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GLUT_KEY_RIGHT* = 102
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GLUT_KEY_DOWN* = 103
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GLUT_KEY_PAGE_UP* = 104
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GLUT_KEY_PAGE_DOWN* = 105
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GLUT_KEY_HOME* = 106
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GLUT_KEY_END* = 107
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GLUT_KEY_INSERT* = 108 # Entry/exit state.
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GLUT_LEFT* = 0
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GLUT_ENTERED* = 1 # Menu usage state.
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GLUT_MENU_NOT_IN_USE* = 0
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GLUT_MENU_IN_USE* = 1 # Visibility state.
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GLUT_NOT_VISIBLE* = 0
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GLUT_VISIBLE* = 1 # 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 # 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 # Layers for use.
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GLUT_NORMAL* = 0
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GLUT_OVERLAY* = 1
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when defined(Windows):
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const # Stroke font constants (use these in GLUT program).
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GLUT_STROKE_ROMAN* = cast[pointer](0)
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GLUT_STROKE_MONO_ROMAN* = cast[pointer](1) # Bitmap font constants (use these in GLUT program).
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GLUT_BITMAP_9_BY_15* = cast[pointer](2)
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GLUT_BITMAP_8_BY_13* = cast[pointer](3)
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GLUT_BITMAP_TIMES_ROMAN_10* = cast[pointer](4)
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GLUT_BITMAP_TIMES_ROMAN_24* = cast[pointer](5)
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GLUT_BITMAP_HELVETICA_10* = cast[pointer](6)
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GLUT_BITMAP_HELVETICA_12* = cast[pointer](7)
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GLUT_BITMAP_HELVETICA_18* = cast[pointer](8)
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else:
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var # Stroke font constants (use these in GLUT program).
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GLUT_STROKE_ROMAN*: pointer
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GLUT_STROKE_MONO_ROMAN*: pointer # Bitmap font constants (use these in GLUT program).
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GLUT_BITMAP_9_BY_15*: pointer
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GLUT_BITMAP_8_BY_13*: pointer
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GLUT_BITMAP_TIMES_ROMAN_10*: pointer
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GLUT_BITMAP_TIMES_ROMAN_24*: pointer
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GLUT_BITMAP_HELVETICA_10*: pointer
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GLUT_BITMAP_HELVETICA_12*: pointer
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GLUT_BITMAP_HELVETICA_18*: pointer
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const # 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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constGLUT_INIT_DISPLAY_MODE* = 504
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GLUT_ELAPSED_TIME* = 700
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GLUT_WINDOW_FORMAT_ID* = 123 # 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 # 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 # 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 # 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 # glutSetCursor parameters.
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# Basic arrows.
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GLUT_CURSOR_RIGHT_ARROW* = 0
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GLUT_CURSOR_LEFT_ARROW* = 1 # Symbolic cursor shapes.
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GLUT_CURSOR_INFO* = 2
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GLUT_CURSOR_DESTROY* = 3
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GLUT_CURSOR_HELP* = 4
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GLUT_CURSOR_CYCLE* = 5
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GLUT_CURSOR_SPRAY* = 6
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GLUT_CURSOR_WAIT* = 7
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GLUT_CURSOR_TEXT* = 8
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GLUT_CURSOR_CROSSHAIR* = 9 # Directional cursors.
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GLUT_CURSOR_UP_DOWN* = 10
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GLUT_CURSOR_LEFT_RIGHT* = 11 # Sizing cursors.
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GLUT_CURSOR_TOP_SIDE* = 12
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GLUT_CURSOR_BOTTOM_SIDE* = 13
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GLUT_CURSOR_LEFT_SIDE* = 14
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GLUT_CURSOR_RIGHT_SIDE* = 15
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GLUT_CURSOR_TOP_LEFT_CORNER* = 16
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GLUT_CURSOR_TOP_RIGHT_CORNER* = 17
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GLUT_CURSOR_BOTTOM_RIGHT_CORNER* = 18
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GLUT_CURSOR_BOTTOM_LEFT_CORNER* = 19 # Inherit from parent window.
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GLUT_CURSOR_INHERIT* = 100 # Blank cursor.
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GLUT_CURSOR_NONE* = 101 # Fullscreen crosshair (if available).
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GLUT_CURSOR_FULL_CROSSHAIR* = 102 # GLUT device control sub-API.
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# glutSetKeyRepeat modes.
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GLUT_KEY_REPEAT_OFF* = 0
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GLUT_KEY_REPEAT_ON* = 1
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GLUT_KEY_REPEAT_DEFAULT* = 2 # Joystick button masks.
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GLUT_JOYSTICK_BUTTON_A* = 1
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GLUT_JOYSTICK_BUTTON_B* = 2
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GLUT_JOYSTICK_BUTTON_C* = 4
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GLUT_JOYSTICK_BUTTON_D* = 8 # GLUT game mode sub-API.
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# glutGameModeGet.
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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 # GLUT initialization sub-API.
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{.push dynlib: dllname, importc.}
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proc glutInit*(argcp: ptr cint, argv: pointer)
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proc glutInit*() =
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## version that passes `argc` and `argc` implicitely.
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var
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cmdLine {.importc: "cmdLine".}: array[0..255, cstring]
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cmdCount {.importc: "cmdCount".}: cint
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glutInit(addr(cmdCount), addr(cmdLine))
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proc glutInitDisplayMode*(mode: int16)
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proc glutInitDisplayString*(str: cstring)
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proc glutInitWindowPosition*(x, y: int)
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proc glutInitWindowSize*(width, height: int)
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proc glutMainLoop*()
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# GLUT window sub-API.
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proc glutCreateWindow*(title: cstring): int
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proc glutCreateSubWindow*(win, x, y, width, height: int): int
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proc glutDestroyWindow*(win: int)
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proc glutPostRedisplay*()
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proc glutPostWindowRedisplay*(win: int)
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proc glutSwapBuffers*()
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proc glutSetWindow*(win: int)
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proc glutSetWindowTitle*(title: cstring)
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proc glutSetIconTitle*(title: cstring)
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proc glutPositionWindow*(x, y: int)
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proc glutReshapeWindow*(width, height: int)
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proc glutPopWindow*()
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proc glutPushWindow*()
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proc glutIconifyWindow*()
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proc glutShowWindow*()
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proc glutHideWindow*()
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proc glutFullScreen*()
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proc glutSetCursor*(cursor: int)
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proc glutWarpPointer*(x, y: int)
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# GLUT overlay sub-API.
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proc glutEstablishOverlay*()
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proc glutRemoveOverlay*()
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proc glutUseLayer*(layer: GLenum)
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proc glutPostOverlayRedisplay*()
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proc glutPostWindowOverlayRedisplay*(win: int)
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proc glutShowOverlay*()
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proc glutHideOverlay*()
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# GLUT menu sub-API.
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proc glutCreateMenu*(callback: TGlut1IntCallback): int
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proc glutDestroyMenu*(menu: int)
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proc glutSetMenu*(menu: int)
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proc glutAddMenuEntry*(caption: cstring, value: int)
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proc glutAddSubMenu*(caption: cstring, submenu: int)
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proc glutChangeToMenuEntry*(item: int, caption: cstring, value: int)
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proc glutChangeToSubMenu*(item: int, caption: cstring, submenu: int)
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proc glutRemoveMenuItem*(item: int)
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proc glutAttachMenu*(button: int)
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proc glutDetachMenu*(button: int)
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# GLUT window callback sub-API.
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proc glutDisplayFunc*(f: TGlutVoidCallback)
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proc glutReshapeFunc*(f: TGlut2IntCallback)
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proc glutKeyboardFunc*(f: TGlut1Char2IntCallback)
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proc glutMouseFunc*(f: TGlut4IntCallback)
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proc glutMotionFunc*(f: TGlut2IntCallback)
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proc glutPassiveMotionFunc*(f: TGlut2IntCallback)
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proc glutEntryFunc*(f: TGlut1IntCallback)
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proc glutVisibilityFunc*(f: TGlut1IntCallback)
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proc glutIdleFunc*(f: TGlutVoidCallback)
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proc glutTimerFunc*(millis: int16, f: TGlut1IntCallback, value: int)
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proc glutMenuStateFunc*(f: TGlut1IntCallback)
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proc glutSpecialFunc*(f: TGlut3IntCallback)
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proc glutSpaceballMotionFunc*(f: TGlut3IntCallback)
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proc glutSpaceballRotateFunc*(f: TGlut3IntCallback)
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proc glutSpaceballButtonFunc*(f: TGlut2IntCallback)
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proc glutButtonBoxFunc*(f: TGlut2IntCallback)
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proc glutDialsFunc*(f: TGlut2IntCallback)
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proc glutTabletMotionFunc*(f: TGlut2IntCallback)
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proc glutTabletButtonFunc*(f: TGlut4IntCallback)
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proc glutMenuStatusFunc*(f: TGlut3IntCallback)
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proc glutOverlayDisplayFunc*(f: TGlutVoidCallback)
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proc glutWindowStatusFunc*(f: TGlut1IntCallback)
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proc glutKeyboardUpFunc*(f: TGlut1Char2IntCallback)
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proc glutSpecialUpFunc*(f: TGlut3IntCallback)
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proc glutJoystickFunc*(f: TGlut1UInt3IntCallback, pollInterval: int)
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# GLUT color index sub-API.
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proc glutSetColor*(cell: int, red, green, blue: GLfloat)
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proc glutGetColor*(ndx, component: int): GLfloat
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proc glutCopyColormap*(win: int)
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# GLUT state retrieval sub-API.
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# GLUT extension support sub-API
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proc glutExtensionSupported*(name: cstring): int
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# GLUT font sub-API
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proc glutBitmapCharacter*(font: pointer, character: int)
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proc glutBitmapWidth*(font: pointer, character: int): int
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proc glutStrokeCharacter*(font: pointer, character: int)
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proc glutStrokeWidth*(font: pointer, character: int): int
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proc glutBitmapLength*(font: pointer, str: cstring): int
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proc glutStrokeLength*(font: pointer, str: cstring): int
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# GLUT pre-built models sub-API
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proc glutWireSphere*(radius: GLdouble, slices, stacks: GLint)
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proc glutSolidSphere*(radius: GLdouble, slices, stacks: GLint)
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proc glutWireCone*(base, height: GLdouble, slices, stacks: GLint)
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proc glutSolidCone*(base, height: GLdouble, slices, stacks: GLint)
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proc glutWireCube*(size: GLdouble)
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proc glutSolidCube*(size: GLdouble)
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proc glutWireTorus*(innerRadius, outerRadius: GLdouble, sides, rings: GLint)
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proc glutSolidTorus*(innerRadius, outerRadius: GLdouble, sides, rings: GLint)
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proc glutWireDodecahedron*()
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proc glutSolidDodecahedron*()
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proc glutWireTeapot*(size: GLdouble)
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proc glutSolidTeapot*(size: GLdouble)
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proc glutWireOctahedron*()
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proc glutSolidOctahedron*()
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proc glutWireTetrahedron*()
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proc glutSolidTetrahedron*()
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proc glutWireIcosahedron*()
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proc glutSolidIcosahedron*()
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# GLUT video resize sub-API.
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proc glutVideoResizeGet*(param: GLenum): int
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proc glutSetupVideoResizing*()
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proc glutStopVideoResizing*()
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proc glutVideoResize*(x, y, width, height: int)
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proc glutVideoPan*(x, y, width, height: int)
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# GLUT debugging sub-API.
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proc glutReportErrors*()
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# GLUT device control sub-API.
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proc glutIgnoreKeyRepeat*(ignore: int)
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proc glutSetKeyRepeat*(repeatMode: int)
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proc glutForceJoystickFunc*()
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# GLUT game mode sub-API.
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#example glutGameModeString('1280x1024:32@75');
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proc glutGameModeString*(AString: cstring)
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proc glutLeaveGameMode*()
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proc glutGameModeGet*(mode: GLenum): int
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# implementation
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{.pop.} # dynlib: dllname, importc
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