diff options
Diffstat (limited to 'src/lib/JEDI-SDL/OpenGL/Pas/glu.pas')
| -rw-r--r-- | src/lib/JEDI-SDL/OpenGL/Pas/glu.pas | 582 |
1 files changed, 582 insertions, 0 deletions
diff --git a/src/lib/JEDI-SDL/OpenGL/Pas/glu.pas b/src/lib/JEDI-SDL/OpenGL/Pas/glu.pas new file mode 100644 index 00000000..876270ff --- /dev/null +++ b/src/lib/JEDI-SDL/OpenGL/Pas/glu.pas @@ -0,0 +1,582 @@ +unit glu; +{ + $Id: glu.pas,v 1.8 2007/05/20 20:28:31 savage Exp $ + + Adaption of the delphi3d.net OpenGL units to FreePascal + Sebastian Guenther (sg@freepascal.org) in 2002 + These units are free to use +} + +(*++ BUILD Version: 0004 // Increment this if a change has global effects + +Copyright (c) 1985-95, Microsoft Corporation + +Module Name: + + glu.h + +Abstract: + + Procedure declarations, constant definitions and macros for the OpenGL + Utility Library. + +--*) + +(* +** Copyright 1991-1993, 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 +** +** This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.; +** the contents of this file may not be disclosed to third parties, copied or +** duplicated in any form,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 Unpublished - +** rights reserved under the Copyright Laws of the United States. +*) + +(* +** Return the error string associated with a particular error code. +** This will return 0 for an invalid error code. +** +** The generic function prototype that can be compiled for ANSI or Unicode +** is defined as follows: +** +** LPCTSTR APIENTRY gluErrorStringWIN (GLenum errCode); +*) + +{******************************************************************************} +{ } +{ Converted to Delphi by Tom Nuydens (tom@delphi3d.net) } +{ For the latest updates, visit Delphi3D: http://www.delphi3d.net } +{ } +{ Modified for Delphi/Kylix and FreePascal } +{ by Dominique Louis ( Dominique@Savagesoftware.com.au) } +{ For the latest updates, visit JEDI-SDL : http://www.sf.net/projects/jedi-sdl } +{ } +{******************************************************************************} + +{ + $Log: glu.pas,v $ + Revision 1.8 2007/05/20 20:28:31 savage + Initial Changes to Handle 64 Bits + + Revision 1.7 2006/11/26 16:35:49 savage + Messed up the last change to GLUtessCombineDataProc, had to reapply it. Thanks Michalis. + + Revision 1.6 2006/11/25 23:38:02 savage + Changes as proposed by Michalis Kamburelis for better FPC support + + Revision 1.5 2006/11/20 21:20:59 savage + Updated to work in MacOS X + + Revision 1.4 2005/05/22 18:52:09 savage + Changes as suggested by Michalis Kamburelis. Thanks again. + + Revision 1.3 2004/10/07 21:01:29 savage + Fix for FPC + + Revision 1.2 2004/08/14 22:54:30 savage + Updated so that Library name defines are correctly defined for MacOS X. + + Revision 1.1 2004/03/30 21:53:54 savage + Moved to it's own folder. + + Revision 1.4 2004/02/20 17:09:55 savage + Code tidied up in gl, glu and glut, while extensions in glext.pas are now loaded using SDL_GL_GetProcAddress, thus making it more cross-platform compatible, but now more tied to SDL. + + Revision 1.3 2004/02/14 00:23:39 savage + As UNIX is defined in jedi-sdl.inc this will be used to check linux compatability as well. Units have been changed to reflect this change. + + Revision 1.2 2004/02/14 00:09:19 savage + Changed uses to now make use of moduleloader.pas rather than dllfuncs.pas + + Revision 1.1 2004/02/05 00:08:19 savage + Module 1.0 release + + Revision 1.4 2003/06/02 12:32:13 savage + Modified Sources to avoid warnings with Delphi by moving CVS Logging to the top of the header files. Hopefully CVS Logging still works. + + Revision 1.3 2003/05/29 22:55:00 savage + Make use of new DLLFunctions + + Revision 1.2 2003/05/27 09:39:53 savage + Added better Gnu Pascal support. + + Revision 1.1 2003/05/11 13:18:03 savage + Newest OpenGL Headers For Delphi, Kylix and FPC + + Revision 1.2 2002/10/13 14:36:47 sg + * Win32 fix: The OS symbol is called "Win32", not "Windows" + + Revision 1.1 2002/10/13 13:57:31 sg + * Finally, the new units are available: Match the C headers more closely; + support for OpenGL extensions, and much more. Based on the Delphi units + by Tom Nuydens of delphi3d.net + +} + +interface + +{$I jedi-sdl.inc} + +uses +{$IFDEF __GPC__} + gpc, +{$ENDIF} + moduleloader, + gl; + +const +{$IFDEF WINDOWS} + GLuLibName = 'glu32.dll'; +{$ENDIF} + +{$IFDEF UNIX} +{$IFDEF DARWIN} + GLuLibName = '/System/Library/Frameworks/OpenGL.framework/Libraries/libGLU.dylib'; +{$ELSE} + GLuLibName = 'libGLU.so.1'; +{$ENDIF} +{$ENDIF} + +type + TViewPortArray = array[ 0..3 ] of GLint; + T16dArray = array[ 0..15 ] of GLdouble; + TCallBack = procedure; + T3dArray = array[ 0..2 ] of GLdouble; + T4pArray = array[ 0..3 ] of Pointer; + T4fArray = array[ 0..3 ] of GLfloat; +{$IFNDEF __GPC__} + PPointer = ^Pointer; +{$ENDIF} + +var + gluErrorString : function( errCode : GLenum ) : PChar; {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluErrorUnicodeStringEXT : function( errCode : GLenum ) : PWideChar; {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluGetString : function( name : GLenum ) : PChar; {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluOrtho2D : procedure( left, right, bottom, top : GLdouble ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluPerspective : procedure( fovy, aspect, zNear, zFar : GLdouble ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluPickMatrix : procedure( x, y, width, height : GLdouble; var viewport : TViewPortArray ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluLookAt : procedure( eyex, eyey, eyez, centerx, centery, centerz, upx, upy, upz : GLdouble ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluProject : function( objx, objy, objz : GLdouble; var modelMatrix, projMatrix : T16dArray; var viewport : TViewPortArray; winx, winy, winz : PGLdouble ) : Integer; {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluUnProject : function( winx, winy, winz : GLdouble; var modelMatrix, projMatrix : T16dArray; var viewport : TViewPortArray; objx, objy, objz : PGLdouble ) : Integer; {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluScaleImage : function( format : GLenum; widthin, heightin : GLint; typein : GLenum; const datain : Pointer; widthout, heightout : GLint; typeout : GLenum; dataout : Pointer ) : Integer; {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluBuild1DMipmaps : function( target : GLenum; components, width : GLint; format, atype : GLenum; const data : Pointer ) : Integer; {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluBuild2DMipmaps : function( target : GLenum; components, width, height : GLint; format, atype : GLenum; const data : Pointer ) : Integer; {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + +type + GLUnurbs = record + end; PGLUnurbs = ^GLUnurbs; + GLUquadric = record + end; PGLUquadric = ^GLUquadric; + GLUtesselator = record + end; PGLUtesselator = ^GLUtesselator; + + // backwards compatibility: + GLUnurbsObj = GLUnurbs; PGLUnurbsObj = PGLUnurbs; + GLUquadricObj = GLUquadric; PGLUquadricObj = PGLUquadric; + GLUtesselatorObj = GLUtesselator; PGLUtesselatorObj = PGLUtesselator; + GLUtriangulatorObj = GLUtesselator; PGLUtriangulatorObj = PGLUtesselator; + +var + gluNewQuadric : function : PGLUquadric; {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluDeleteQuadric : procedure( state : PGLUquadric ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluQuadricNormals : procedure( quadObject : PGLUquadric; normals : GLenum ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluQuadricTexture : procedure( quadObject : PGLUquadric; textureCoords : GLboolean ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluQuadricOrientation : procedure( quadObject : PGLUquadric; orientation : GLenum ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluQuadricDrawStyle : procedure( quadObject : PGLUquadric; drawStyle : GLenum ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluCylinder : procedure( qobj : PGLUquadric; baseRadius, topRadius, height : GLdouble; slices, stacks : GLint ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluDisk : procedure( qobj : PGLUquadric; innerRadius, outerRadius : GLdouble; slices, loops : GLint ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluPartialDisk : procedure( qobj : PGLUquadric; innerRadius, outerRadius : GLdouble; slices, loops : GLint; startAngle, sweepAngle : GLdouble ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluSphere : procedure( qobj : PGLuquadric; radius : GLdouble; slices, stacks : GLint ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluQuadricCallback : procedure( qobj : PGLUquadric; which : GLenum; fn : TCallBack ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluNewTess : function : PGLUtesselator; {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluDeleteTess : procedure( tess : PGLUtesselator ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluTessBeginPolygon : procedure( tess : PGLUtesselator; polygon_data : Pointer ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluTessBeginContour : procedure( tess : PGLUtesselator ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluTessVertex : procedure( tess : PGLUtesselator; var coords : T3dArray; data : Pointer ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluTessEndContour : procedure( tess : PGLUtesselator ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluTessEndPolygon : procedure( tess : PGLUtesselator ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluTessProperty : procedure( tess : PGLUtesselator; which : GLenum; value : GLdouble ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluTessNormal : procedure( tess : PGLUtesselator; x, y, z : GLdouble ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluTessCallback : procedure( tess : PGLUtesselator; which : GLenum; fn : TCallBack ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluGetTessProperty : procedure( tess : PGLUtesselator; which : GLenum; value : PGLdouble ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluNewNurbsRenderer : function : PGLUnurbs; {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluDeleteNurbsRenderer : procedure( nobj : PGLUnurbs ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluBeginSurface : procedure( nobj : PGLUnurbs ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluBeginCurve : procedure( nobj : PGLUnurbs ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluEndCurve : procedure( nobj : PGLUnurbs ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluEndSurface : procedure( nobj : PGLUnurbs ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluBeginTrim : procedure( nobj : PGLUnurbs ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluEndTrim : procedure( nobj : PGLUnurbs ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluPwlCurve : procedure( nobj : PGLUnurbs; count : GLint; aarray : PGLfloat; stride : GLint; atype : GLenum ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluNurbsCurve : procedure( nobj : PGLUnurbs; nknots : GLint; knot : PGLfloat; stride : GLint; ctlarray : PGLfloat; order : GLint; atype : GLenum ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluNurbsSurface : procedure( nobj : PGLUnurbs; sknot_count : GLint; sknot : PGLfloat; tknot_count : GLint; tknot : PGLfloat; s_stride, t_stride : GLint; ctlarray : PGLfloat; sorder, torder : GLint; atype : GLenum ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluLoadSamplingMatrices : procedure( nobj : PGLUnurbs; var modelMatrix, projMatrix : T16dArray; var viewport : TViewPortArray ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluNurbsProperty : procedure( nobj : PGLUnurbs; aproperty : GLenum; value : GLfloat ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluGetNurbsProperty : procedure( nobj : PGLUnurbs; aproperty : GLenum; value : PGLfloat ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluNurbsCallback : procedure( nobj : PGLUnurbs; which : GLenum; fn : TCallBack ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + +(**** Callback function prototypes ****) + +type + // gluQuadricCallback + GLUquadricErrorProc = procedure( p : GLenum ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + + // gluTessCallback + GLUtessBeginProc = procedure( p : GLenum ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + GLUtessEdgeFlagProc = procedure( p : GLboolean ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + GLUtessVertexProc = procedure( p : Pointer ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + GLUtessEndProc = procedure; {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + GLUtessErrorProc = procedure( p : GLenum ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + GLUtessCombineProc = procedure( var p1 : T3dArray; p2 : T4pArray; p3 : T4fArray; p4 : PPointer ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + GLUtessBeginDataProc = procedure( p1 : GLenum; p2 : Pointer ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + GLUtessEdgeFlagDataProc = procedure( p1 : GLboolean; p2 : Pointer ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + GLUtessVertexDataProc = procedure( p1, p2 : Pointer ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + GLUtessEndDataProc = procedure( p : Pointer ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + GLUtessErrorDataProc = procedure( p1 : GLenum; p2 : Pointer ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + GLUtessCombineDataProc = procedure( var p1 : T3dArray; var p2 : T4pArray; var p3 : T4fArray; + p4 : PPointer; p5 : Pointer ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + + // gluNurbsCallback + GLUnurbsErrorProc = procedure( p : GLenum ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + + +//*** Generic constants ****/ + +const + // Version + GLU_VERSION_1_1 = 1; + GLU_VERSION_1_2 = 1; + + // Errors: (return value 0 = no error) + GLU_INVALID_ENUM = 100900; + GLU_INVALID_VALUE = 100901; + GLU_OUT_OF_MEMORY = 100902; + GLU_INCOMPATIBLE_GL_VERSION = 100903; + + // StringName + GLU_VERSION = 100800; + GLU_EXTENSIONS = 100801; + + // Boolean + GLU_TRUE = GL_TRUE; + GLU_FALSE = GL_FALSE; + + + //*** Quadric constants ****/ + + // QuadricNormal + GLU_SMOOTH = 100000; + GLU_FLAT = 100001; + GLU_NONE = 100002; + + // QuadricDrawStyle + GLU_POINT = 100010; + GLU_LINE = 100011; + GLU_FILL = 100012; + GLU_SILHOUETTE = 100013; + + // QuadricOrientation + GLU_OUTSIDE = 100020; + GLU_INSIDE = 100021; + + // Callback types: + // GLU_ERROR = 100103; + + + //*** Tesselation constants ****/ + + GLU_TESS_MAX_COORD = 1.0E150; + + // TessProperty + GLU_TESS_WINDING_RULE = 100140; + GLU_TESS_BOUNDARY_ONLY = 100141; + GLU_TESS_TOLERANCE = 100142; + + // TessWinding + GLU_TESS_WINDING_ODD = 100130; + GLU_TESS_WINDING_NONZERO = 100131; + GLU_TESS_WINDING_POSITIVE = 100132; + GLU_TESS_WINDING_NEGATIVE = 100133; + GLU_TESS_WINDING_ABS_GEQ_TWO = 100134; + + // TessCallback + GLU_TESS_BEGIN = 100100; // void (CALLBACK*)(GLenum type) + GLU_TESS_VERTEX = 100101; // void (CALLBACK*)(void *data) + GLU_TESS_END = 100102; // void (CALLBACK*)(void) + GLU_TESS_ERROR = 100103; // void (CALLBACK*)(GLenum errno) + GLU_TESS_EDGE_FLAG = 100104; // void (CALLBACK*)(GLboolean boundaryEdge) + GLU_TESS_COMBINE = 100105; { void (CALLBACK*)(GLdouble coords[3], + void *data[4], + GLfloat weight[4], + void **dataOut) } + GLU_TESS_BEGIN_DATA = 100106; { void (CALLBACK*)(GLenum type, + void *polygon_data) } + GLU_TESS_VERTEX_DATA = 100107; { void (CALLBACK*)(void *data, + void *polygon_data) } + GLU_TESS_END_DATA = 100108; // void (CALLBACK*)(void *polygon_data) + GLU_TESS_ERROR_DATA = 100109; { void (CALLBACK*)(GLenum errno, + void *polygon_data) } + GLU_TESS_EDGE_FLAG_DATA = 100110; { void (CALLBACK*)(GLboolean boundaryEdge, + void *polygon_data) } + GLU_TESS_COMBINE_DATA = 100111; { void (CALLBACK*)(GLdouble coords[3], + void *data[4], + GLfloat weight[4], + void **dataOut, + void *polygon_data) } + + // TessError + GLU_TESS_ERROR1 = 100151; + GLU_TESS_ERROR2 = 100152; + GLU_TESS_ERROR3 = 100153; + GLU_TESS_ERROR4 = 100154; + GLU_TESS_ERROR5 = 100155; + GLU_TESS_ERROR6 = 100156; + GLU_TESS_ERROR7 = 100157; + GLU_TESS_ERROR8 = 100158; + + GLU_TESS_MISSING_BEGIN_POLYGON = GLU_TESS_ERROR1; + GLU_TESS_MISSING_BEGIN_CONTOUR = GLU_TESS_ERROR2; + GLU_TESS_MISSING_END_POLYGON = GLU_TESS_ERROR3; + GLU_TESS_MISSING_END_CONTOUR = GLU_TESS_ERROR4; + GLU_TESS_COORD_TOO_LARGE = GLU_TESS_ERROR5; + GLU_TESS_NEED_COMBINE_CALLBACK = GLU_TESS_ERROR6; + + //*** NURBS constants ****/ + + // NurbsProperty + GLU_AUTO_LOAD_MATRIX = 100200; + GLU_CULLING = 100201; + GLU_SAMPLING_TOLERANCE = 100203; + GLU_DISPLAY_MODE = 100204; + GLU_PARAMETRIC_TOLERANCE = 100202; + GLU_SAMPLING_METHOD = 100205; + GLU_U_STEP = 100206; + GLU_V_STEP = 100207; + + // NurbsSampling + GLU_PATH_LENGTH = 100215; + GLU_PARAMETRIC_ERROR = 100216; + GLU_DOMAIN_DISTANCE = 100217; + + + // NurbsTrim + GLU_MAP1_TRIM_2 = 100210; + GLU_MAP1_TRIM_3 = 100211; + + // NurbsDisplay + // GLU_FILL = 100012; + GLU_OUTLINE_POLYGON = 100240; + GLU_OUTLINE_PATCH = 100241; + + // NurbsCallback + // GLU_ERROR = 100103; + + // NurbsErrors + GLU_NURBS_ERROR1 = 100251; + GLU_NURBS_ERROR2 = 100252; + GLU_NURBS_ERROR3 = 100253; + GLU_NURBS_ERROR4 = 100254; + GLU_NURBS_ERROR5 = 100255; + GLU_NURBS_ERROR6 = 100256; + GLU_NURBS_ERROR7 = 100257; + GLU_NURBS_ERROR8 = 100258; + GLU_NURBS_ERROR9 = 100259; + GLU_NURBS_ERROR10 = 100260; + GLU_NURBS_ERROR11 = 100261; + GLU_NURBS_ERROR12 = 100262; + GLU_NURBS_ERROR13 = 100263; + GLU_NURBS_ERROR14 = 100264; + GLU_NURBS_ERROR15 = 100265; + GLU_NURBS_ERROR16 = 100266; + GLU_NURBS_ERROR17 = 100267; + GLU_NURBS_ERROR18 = 100268; + GLU_NURBS_ERROR19 = 100269; + GLU_NURBS_ERROR20 = 100270; + GLU_NURBS_ERROR21 = 100271; + GLU_NURBS_ERROR22 = 100272; + GLU_NURBS_ERROR23 = 100273; + GLU_NURBS_ERROR24 = 100274; + GLU_NURBS_ERROR25 = 100275; + GLU_NURBS_ERROR26 = 100276; + GLU_NURBS_ERROR27 = 100277; + GLU_NURBS_ERROR28 = 100278; + GLU_NURBS_ERROR29 = 100279; + GLU_NURBS_ERROR30 = 100280; + GLU_NURBS_ERROR31 = 100281; + GLU_NURBS_ERROR32 = 100282; + GLU_NURBS_ERROR33 = 100283; + GLU_NURBS_ERROR34 = 100284; + GLU_NURBS_ERROR35 = 100285; + GLU_NURBS_ERROR36 = 100286; + GLU_NURBS_ERROR37 = 100287; + +//*** Backwards compatibility for old tesselator ****/ + +var + gluBeginPolygon : procedure( tess : PGLUtesselator ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluNextContour : procedure( tess : PGLUtesselator; atype : GLenum ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + gluEndPolygon : procedure( tess : PGLUtesselator ); {$IFDEF WINDOWS}stdcall; {$ELSE}cdecl; {$ENDIF} + +const + // Contours types -- obsolete! + GLU_CW = 100120; + GLU_CCW = 100121; + GLU_INTERIOR = 100122; + GLU_EXTERIOR = 100123; + GLU_UNKNOWN = 100124; + + // Names without "TESS_" prefix + GLU_BEGIN = GLU_TESS_BEGIN; + GLU_VERTEX = GLU_TESS_VERTEX; + GLU_END = GLU_TESS_END; + GLU_ERROR = GLU_TESS_ERROR; + GLU_EDGE_FLAG = GLU_TESS_EDGE_FLAG; + +procedure LoadGLu( const dll : PChar ); +procedure FreeGLu; + +implementation + +var + LibGlu : TModuleHandle; + +procedure FreeGLu; +begin + + @gluErrorString := nil; + @gluErrorUnicodeStringEXT := nil; + @gluGetString := nil; + @gluOrtho2D := nil; + @gluPerspective := nil; + @gluPickMatrix := nil; + @gluLookAt := nil; + @gluProject := nil; + @gluUnProject := nil; + @gluScaleImage := nil; + @gluBuild1DMipmaps := nil; + @gluBuild2DMipmaps := nil; + @gluNewQuadric := nil; + @gluDeleteQuadric := nil; + @gluQuadricNormals := nil; + @gluQuadricTexture := nil; + @gluQuadricOrientation := nil; + @gluQuadricDrawStyle := nil; + @gluCylinder := nil; + @gluDisk := nil; + @gluPartialDisk := nil; + @gluSphere := nil; + @gluQuadricCallback := nil; + @gluNewTess := nil; + @gluDeleteTess := nil; + @gluTessBeginPolygon := nil; + @gluTessBeginContour := nil; + @gluTessVertex := nil; + @gluTessEndContour := nil; + @gluTessEndPolygon := nil; + @gluTessProperty := nil; + @gluTessNormal := nil; + @gluTessCallback := nil; + @gluGetTessProperty := nil; + @gluNewNurbsRenderer := nil; + @gluDeleteNurbsRenderer := nil; + @gluBeginSurface := nil; + @gluBeginCurve := nil; + @gluEndCurve := nil; + @gluEndSurface := nil; + @gluBeginTrim := nil; + @gluEndTrim := nil; + @gluPwlCurve := nil; + @gluNurbsCurve := nil; + @gluNurbsSurface := nil; + @gluLoadSamplingMatrices := nil; + @gluNurbsProperty := nil; + @gluGetNurbsProperty := nil; + @gluNurbsCallback := nil; + @gluBeginPolygon := nil; + @gluNextContour := nil; + @gluEndPolygon := nil; + + UnLoadModule( LibGlu ); + +end; + +procedure LoadGLu( const dll : PChar ); +begin + + FreeGLu; + + if LoadModule( LibGlu, dll ) then + begin + @gluErrorString := GetModuleSymbol( LibGlu, 'gluErrorString' ); + @gluErrorUnicodeStringEXT := GetModuleSymbol( LibGlu, 'gluErrorUnicodeStringEXT' ); + @gluGetString := GetModuleSymbol( LibGlu, 'gluGetString' ); + @gluOrtho2D := GetModuleSymbol( LibGlu, 'gluOrtho2D' ); + @gluPerspective := GetModuleSymbol( LibGlu, 'gluPerspective' ); + @gluPickMatrix := GetModuleSymbol( LibGlu, 'gluPickMatrix' ); + @gluLookAt := GetModuleSymbol( LibGlu, 'gluLookAt' ); + @gluProject := GetModuleSymbol( LibGlu, 'gluProject' ); + @gluUnProject := GetModuleSymbol( LibGlu, 'gluUnProject' ); + @gluScaleImage := GetModuleSymbol( LibGlu, 'gluScaleImage' ); + @gluBuild1DMipmaps := GetModuleSymbol( LibGlu, 'gluBuild1DMipmaps' ); + @gluBuild2DMipmaps := GetModuleSymbol( LibGlu, 'gluBuild2DMipmaps' ); + @gluNewQuadric := GetModuleSymbol( LibGlu, 'gluNewQuadric' ); + @gluDeleteQuadric := GetModuleSymbol( LibGlu, 'gluDeleteQuadric' ); + @gluQuadricNormals := GetModuleSymbol( LibGlu, 'gluQuadricNormals' ); + @gluQuadricTexture := GetModuleSymbol( LibGlu, 'gluQuadricTexture' ); + @gluQuadricOrientation := GetModuleSymbol( LibGlu, 'gluQuadricOrientation' ); + @gluQuadricDrawStyle := GetModuleSymbol( LibGlu, 'gluQuadricDrawStyle' ); + @gluCylinder := GetModuleSymbol( LibGlu, 'gluCylinder' ); + @gluDisk := GetModuleSymbol( LibGlu, 'gluDisk' ); + @gluPartialDisk := GetModuleSymbol( LibGlu, 'gluPartialDisk' ); + @gluSphere := GetModuleSymbol( LibGlu, 'gluSphere' ); + @gluQuadricCallback := GetModuleSymbol( LibGlu, 'gluQuadricCallback' ); + @gluNewTess := GetModuleSymbol( LibGlu, 'gluNewTess' ); + @gluDeleteTess := GetModuleSymbol( LibGlu, 'gluDeleteTess' ); + @gluTessBeginPolygon := GetModuleSymbol( LibGlu, 'gluTessBeginPolygon' ); + @gluTessBeginContour := GetModuleSymbol( LibGlu, 'gluTessBeginContour' ); + @gluTessVertex := GetModuleSymbol( LibGlu, 'gluTessVertex' ); + @gluTessEndContour := GetModuleSymbol( LibGlu, 'gluTessEndContour' ); + @gluTessEndPolygon := GetModuleSymbol( LibGlu, 'gluTessEndPolygon' ); + @gluTessProperty := GetModuleSymbol( LibGlu, 'gluTessProperty' ); + @gluTessNormal := GetModuleSymbol( LibGlu, 'gluTessNormal' ); + @gluTessCallback := GetModuleSymbol( LibGlu, 'gluTessCallback' ); + @gluGetTessProperty := GetModuleSymbol( LibGlu, 'gluGetTessProperty' ); + @gluNewNurbsRenderer := GetModuleSymbol( LibGlu, 'gluNewNurbsRenderer' ); + @gluDeleteNurbsRenderer := GetModuleSymbol( LibGlu, 'gluDeleteNurbsRenderer' ); + @gluBeginSurface := GetModuleSymbol( LibGlu, 'gluBeginSurface' ); + @gluBeginCurve := GetModuleSymbol( LibGlu, 'gluBeginCurve' ); + @gluEndCurve := GetModuleSymbol( LibGlu, 'gluEndCurve' ); + @gluEndSurface := GetModuleSymbol( LibGlu, 'gluEndSurface' ); + @gluBeginTrim := GetModuleSymbol( LibGlu, 'gluBeginTrim' ); + @gluEndTrim := GetModuleSymbol( LibGlu, 'gluEndTrim' ); + @gluPwlCurve := GetModuleSymbol( LibGlu, 'gluPwlCurve' ); + @gluNurbsCurve := GetModuleSymbol( LibGlu, 'gluNurbsCurve' ); + @gluNurbsSurface := GetModuleSymbol( LibGlu, 'gluNurbsSurface' ); + @gluLoadSamplingMatrices := GetModuleSymbol( LibGlu, 'gluLoadSamplingMatrices' ); + @gluNurbsProperty := GetModuleSymbol( LibGlu, 'gluNurbsProperty' ); + @gluGetNurbsProperty := GetModuleSymbol( LibGlu, 'gluGetNurbsProperty' ); + @gluNurbsCallback := GetModuleSymbol( LibGlu, 'gluNurbsCallback' ); + + @gluBeginPolygon := GetModuleSymbol( LibGlu, 'gluBeginPolygon' ); + @gluNextContour := GetModuleSymbol( LibGlu, 'gluNextContour' ); + @gluEndPolygon := GetModuleSymbol( LibGlu, 'gluEndPolygon' ); + end; +end; + +initialization + + LoadGLu( GLuLibName ); + +finalization + + FreeGLu; + +end. + |