gl.pas

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(*++ BUILD Version: 0004    // Increment this if a change has global effects

Copyright (c) 1985-96, Microsoft Corporation

Module Name:

    gl.h

Abstract:

    Procedure declarations, constant definitions and macros for the OpenGL
    component.

--*)

(*
** Copyright 1996 Silicon Graphics, Inc.
** All Rights Reserved.
**
** This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;
** the contents of this file may not be disclosed to third parties, copied or
** duplicated in any form, in whole or in part, without the prior written
** permission of Silicon Graphics, Inc.
**
** RESTRICTED RIGHTS LEGEND:
** Use, duplication or disclosure by the Government is subject to restrictions
** as set forth in subdivision (c)(1)(ii) of the Rights in Technical Data
** and Computer Software clause at DFARS 252.227-7013, and/or in similar or
** successor clauses in the FAR, DOD or NASA FAR Supplement. Unpublished -
** rights reserved under the Copyright Laws of the United States.
*)

{******************************************************************************}
{ Converted to Delphi by Tom Nuydens                                           }
{                        ([e-mail])                          }
{ For the latest updates, visit Delphi3D: www.gamedeveloper.org/delphi3d       }
{******************************************************************************}

unit GL;

interface

uses
  SysUtils, Windows;

type
  GLenum     = Cardinal;      PGLenum     = ^GLenum;
  GLboolean  = Byte;          PGLboolean  = ^GLboolean;
  GLbitfield = Cardinal;      PGLbitfield = ^GLbitfield;
  GLbyte     = ShortInt;      PGLbyte     = ^GLbyte;
  GLshort    = SmallInt;      PGLshort    = ^GLshort;
  GLint      = Integer;       PGLint      = ^GLint;
  GLsizei    = Integer;       PGLsizei    = ^GLsizei;
  GLubyte    = Byte;          PGLubyte    = ^GLubyte;
  GLushort   = Word;          PGLushort   = ^GLushort;
  GLuint     = Cardinal;      PGLuint     = ^GLuint;
  GLfloat    = Single;        PGLfloat    = ^GLfloat;
  GLclampf   = Single;        PGLclampf   = ^GLclampf;
  GLdouble   = Double;        PGLdouble   = ^GLdouble;
  GLclampd   = Double;        PGLclampd   = ^GLclampd;
//GLvoid     = void;

{******************************************************************************}

const
  // Version
  GL_VERSION_1_1                    = 1;

  // AccumOp
  GL_ACCUM                          = $0100;
  GL_LOAD                           = $0101;
  GL_RETURN                         = $0102;
  GL_MULT                           = $0103;
  GL_ADD                            = $0104;

  // AlphaFunction
  GL_NEVER                          = $0200;
  GL_LESS                           = $0201;
  GL_EQUAL                          = $0202;
  GL_LEQUAL                         = $0203;
  GL_GREATER                        = $0204;
  GL_NOTEQUAL                       = $0205;
  GL_GEQUAL                         = $0206;
  GL_ALWAYS                         = $0207;

  // AttribMask
  GL_CURRENT_BIT                    = $00000001;
  GL_POINT_BIT                      = $00000002;
  GL_LINE_BIT                       = $00000004;
  GL_POLYGON_BIT                    = $00000008;
  GL_POLYGON_STIPPLE_BIT            = $00000010;
  GL_PIXEL_MODE_BIT                 = $00000020;
  GL_LIGHTING_BIT                   = $00000040;
  GL_FOG_BIT                        = $00000080;
  GL_DEPTH_BUFFER_BIT               = $00000100;
  GL_ACCUM_BUFFER_BIT               = $00000200;
  GL_STENCIL_BUFFER_BIT             = $00000400;
  GL_VIEWPORT_BIT                   = $00000800;
  GL_TRANSFORM_BIT                  = $00001000;
  GL_ENABLE_BIT                     = $00002000;
  GL_COLOR_BUFFER_BIT               = $00004000;
  GL_HINT_BIT                       = $00008000;
  GL_EVAL_BIT                       = $00010000;
  GL_LIST_BIT                       = $00020000;
  GL_TEXTURE_BIT                    = $00040000;
  GL_SCISSOR_BIT                    = $00080000;
  GL_ALL_ATTRIB_BITS                = $000FFFFF;

  // BeginMode
  GL_POINTS                         = $0000;
  GL_LINES                          = $0001;
  GL_LINE_LOOP                      = $0002;
  GL_LINE_STRIP                     = $0003;
  GL_TRIANGLES                      = $0004;
  GL_TRIANGLE_STRIP                 = $0005;
  GL_TRIANGLE_FAN                   = $0006;
  GL_QUADS                          = $0007;
  GL_QUAD_STRIP                     = $0008;
  GL_POLYGON                        = $0009;

  // BlendingFactorDest
  GL_ZERO                           = 0;
  GL_ONE                            = 1;
  GL_SRC_COLOR                      = $0300;
  GL_ONE_MINUS_SRC_COLOR            = $0301;
  GL_SRC_ALPHA                      = $0302;
  GL_ONE_MINUS_SRC_ALPHA            = $0303;
  GL_DST_ALPHA                      = $0304;
  GL_ONE_MINUS_DST_ALPHA            = $0305;

  // BlendingFactorSrc
  //      GL_ZERO
  //      GL_ONE
  GL_DST_COLOR                      = $0306;
  GL_ONE_MINUS_DST_COLOR            = $0307;
  GL_SRC_ALPHA_SATURATE             = $0308;
  //      GL_SRC_ALPHA
  //      GL_ONE_MINUS_SRC_ALPHA
  //      GL_DST_ALPHA
  //      GL_ONE_MINUS_DST_ALPHA

  // Boolean
  GL_TRUE                           = 1;
  GL_FALSE                          = 0;

  // ClearBufferMask
  //      GL_COLOR_BUFFER_BIT
  //      GL_ACCUM_BUFFER_BIT
  //      GL_STENCIL_BUFFER_BIT
  //      GL_DEPTH_BUFFER_BIT

  // ClientArrayType
  //      GL_VERTEX_ARRAY
  //      GL_NORMAL_ARRAY
  //      GL_COLOR_ARRAY
  //      GL_INDEX_ARRAY
  //      GL_TEXTURE_COORD_ARRAY
  //      GL_EDGE_FLAG_ARRAY

  // ClipPlaneName
  GL_CLIP_PLANE0                    = $3000;
  GL_CLIP_PLANE1                    = $3001;
  GL_CLIP_PLANE2                    = $3002;
  GL_CLIP_PLANE3                    = $3003;
  GL_CLIP_PLANE4                    = $3004;
  GL_CLIP_PLANE5                    = $3005;

  // ColorMaterialFace
  //      GL_FRONT
  //      GL_BACK
  //      GL_FRONT_AND_BACK

  // ColorMaterialParameter
  //      GL_AMBIENT
  //      GL_DIFFUSE
  //      GL_SPECULAR
  //      GL_EMISSION
  //      GL_AMBIENT_AND_DIFFUSE

  // ColorPointerType
  //      GL_BYTE
  //      GL_UNSIGNED_BYTE
  //      GL_SHORT
  //      GL_UNSIGNED_SHORT
  //      GL_INT
  //      GL_UNSIGNED_INT
  //      GL_FLOAT
  //      GL_DOUBLE

  // CullFaceMode
  //      GL_FRONT
  //      GL_BACK
  //      GL_FRONT_AND_BACK

  // DataType
  GL_BYTE                           = $1400;
  GL_UNSIGNED_BYTE                  = $1401;
  GL_SHORT                          = $1402;
  GL_UNSIGNED_SHORT                 = $1403;
  GL_INT                            = $1404;
  GL_UNSIGNED_INT                   = $1405;
  GL_FLOAT                          = $1406;
  GL_2_BYTES                        = $1407;
  GL_3_BYTES                        = $1408;
  GL_4_BYTES                        = $1409;
  GL_DOUBLE                         = $140A;

  // DepthFunction
  //      GL_NEVER
  //      GL_LESS
  //      GL_EQUAL
  //      GL_LEQUAL
  //      GL_GREATER
  //      GL_NOTEQUAL
  //      GL_GEQUAL
  //      GL_ALWAYS

  // DrawBufferMode
  GL_NONE                           = 0;
  GL_FRONT_LEFT                     = $0400;
  GL_FRONT_RIGHT                    = $0401;
  GL_BACK_LEFT                      = $0402;
  GL_BACK_RIGHT                     = $0403;
  GL_FRONT                          = $0404;
  GL_BACK                           = $0405;
  GL_LEFT                           = $0406;
  GL_RIGHT                          = $0407;
  GL_FRONT_AND_BACK                 = $0408;
  GL_AUX0                           = $0409;
  GL_AUX1                           = $040A;
  GL_AUX2                           = $040B;
  GL_AUX3                           = $040C;

  // Enable
  //      GL_FOG
  //      GL_LIGHTING
  //      GL_TEXTURE_1D
  //      GL_TEXTURE_2D
  //      GL_LINE_STIPPLE
  //      GL_POLYGON_STIPPLE
  //      GL_CULL_FACE
  //      GL_ALPHA_TEST
  //      GL_BLEND
  //      GL_INDEX_LOGIC_OP
  //      GL_COLOR_LOGIC_OP
  //      GL_DITHER
  //      GL_STENCIL_TEST
  //      GL_DEPTH_TEST
  //      GL_CLIP_PLANE0
  //      GL_CLIP_PLANE1
  //      GL_CLIP_PLANE2
  //      GL_CLIP_PLANE3
  //      GL_CLIP_PLANE4
  //      GL_CLIP_PLANE5
  //      GL_LIGHT0
  //      GL_LIGHT1
  //      GL_LIGHT2
  //      GL_LIGHT3
  //      GL_LIGHT4
  //      GL_LIGHT5
  //      GL_LIGHT6
  //      GL_LIGHT7
  //      GL_TEXTURE_GEN_S
  //      GL_TEXTURE_GEN_T
  //      GL_TEXTURE_GEN_R
  //      GL_TEXTURE_GEN_Q
  //      GL_MAP1_VERTEX_3
  //      GL_MAP1_VERTEX_4
  //      GL_MAP1_COLOR_4
  //      GL_MAP1_INDEX
  //      GL_MAP1_NORMAL
  //      GL_MAP1_TEXTURE_COORD_1
  //      GL_MAP1_TEXTURE_COORD_2
  //      GL_MAP1_TEXTURE_COORD_3
  //      GL_MAP1_TEXTURE_COORD_4
  //      GL_MAP2_VERTEX_3
  //      GL_MAP2_VERTEX_4
  //      GL_MAP2_COLOR_4
  //      GL_MAP2_INDEX
  //      GL_MAP2_NORMAL
  //      GL_MAP2_TEXTURE_COORD_1
  //      GL_MAP2_TEXTURE_COORD_2
  //      GL_MAP2_TEXTURE_COORD_3
  //      GL_MAP2_TEXTURE_COORD_4
  //      GL_POINT_SMOOTH
  //      GL_LINE_SMOOTH
  //      GL_POLYGON_SMOOTH
  //      GL_SCISSOR_TEST
  //      GL_COLOR_MATERIAL
  //      GL_NORMALIZE
  //      GL_AUTO_NORMAL
  //      GL_VERTEX_ARRAY
  //      GL_NORMAL_ARRAY
  //      GL_COLOR_ARRAY
  //      GL_INDEX_ARRAY
  //      GL_TEXTURE_COORD_ARRAY
  //      GL_EDGE_FLAG_ARRAY
  //      GL_POLYGON_OFFSET_POINT
  //      GL_POLYGON_OFFSET_LINE
  //      GL_POLYGON_OFFSET_FILL

  // ErrorCode
  GL_NO_ERROR                       = 0;
  GL_INVALID_ENUM                   = $0500;
  GL_INVALID_VALUE                  = $0501;
  GL_INVALID_OPERATION              = $0502;
  GL_STACK_OVERFLOW                 = $0503;
  GL_STACK_UNDERFLOW                = $0504;
  GL_OUT_OF_MEMORY                  = $0505;

  // FeedBackMode
  GL_2D                             = $0600;
  GL_3D                             = $0601;
  GL_3D_COLOR                       = $0602;
  GL_3D_COLOR_TEXTURE               = $0603;
  GL_4D_COLOR_TEXTURE               = $0604;