198 lines
4.5 KiB
C
198 lines
4.5 KiB
C
/*
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** Copyright (c) 1995, 3Dfx Interactive, Inc.
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** All Rights Reserved.
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**
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** This is UNPUBLISHED PROPRIETARY SOURCE CODE of 3Dfx Interactive, Inc.;
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** the contents of this file may not be disclosed to third parties, copied or
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** duplicated in any form, in whole or in part, without the prior written
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** permission of 3Dfx Interactive, Inc.
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**
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** RESTRICTED RIGHTS LEGEND:
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** Use, duplication or disclosure by the Government is subject to restrictions
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** as set forth in subdivision (c)(1)(ii) of the Rights in Technical Data
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** and Computer Software clause at DFARS 252.227-7013, and/or in similar or
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** successor clauses in the FAR, DOD or NASA FAR Supplement. Unpublished -
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** rights reserved under the Copyright Laws of the United States.
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**
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** $Header: /cvsroot/macglide/MacGLide/OpenGLide/sdk2_glideutl.h,v 1.2 2003/11/02 16:29:59 jens-olaf Exp $
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** $Log: sdk2_glideutl.h,v $
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** Revision 1.2 2003/11/02 16:29:59 jens-olaf
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** Commented out code that has been copied to ../Mac/OpenGLide/
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**
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** Revision 1.1 2002/12/05 13:50:21 fbarros
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** 3dfx sdk 2 header file
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**
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** Revision 1.1.1.1 2001/06/25 18:00:50 paul
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** v006 from sourceforge
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**
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** Revision 1.1.1.1 2001/02/01 16:24:51 fbarros
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** Version 0.06
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**
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** CVs: ----------------------------------------------------------------------
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**
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*
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* 11 1/07/98 11:18a Atai
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* remove GrMipMapInfo and GrGC.mm_table in glide3
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*
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* 10 1/06/98 6:47p Atai
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* undo grSplash and remove gu routines
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*
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* 9 1/05/98 6:04p Atai
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* move 3df gu related data structure from glide.h to glideutl.h
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*
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* 8 12/18/97 2:13p Peter
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* fogTable cataclysm
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*
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* 7 12/15/97 5:52p Atai
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* disable obsolete glide2 api for glide3
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*
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* 6 8/14/97 5:32p Pgj
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* remove dead code per GMT
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*
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* 5 6/12/97 5:19p Pgj
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* Fix bug 578
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*
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* 4 3/05/97 9:36p Jdt
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* Removed guFbWriteRegion added guEncodeRLE16
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*
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* 3 1/16/97 3:45p Dow
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* Embedded fn protos in ifndef FX_GLIDE_NO_FUNC_PROTO
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*/
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/* Glide Utility routines */
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#ifndef __GLIDEUTL_H__
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#define __GLIDEUTL_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(GLIDE3) && defined(GLIDE3_ALPHA)
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/*
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** 3DF texture file structs
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*/
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typedef struct
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{
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FxU32 width, height;
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int small_lod, large_lod;
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GrAspectRatio_t aspect_ratio;
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GrTextureFormat_t format;
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} Gu3dfHeader;
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typedef struct
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{
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FxU8 yRGB[16];
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FxI16 iRGB[4][3];
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FxI16 qRGB[4][3];
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FxU32 packed_data[12];
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} GuNccTable;
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typedef struct {
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FxU32 data[256];
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} GuTexPalette;
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typedef union {
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GuNccTable nccTable;
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GuTexPalette palette;
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} GuTexTable;
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typedef struct
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{
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Gu3dfHeader header;
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GuTexTable table;
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void *data;
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FxU32 mem_required; /* memory required for mip map in bytes. */
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} Gu3dfInfo;
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#endif
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#ifndef FX_GLIDE_NO_FUNC_PROTO
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/*
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** rendering functions
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*/
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#ifndef GLIDE3_ALPHA
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FX_ENTRY void FX_CALL
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guAADrawTriangleWithClip( const GrVertex *a, const GrVertex
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*b, const GrVertex *c);
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FX_ENTRY void FX_CALL
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guDrawTriangleWithClip(
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const GrVertex *a,
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const GrVertex *b,
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const GrVertex *c
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);
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FX_ENTRY void FX_CALL
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guDrawPolygonVertexListWithClip( int nverts, const GrVertex vlist[] );
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/*
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** hi-level rendering utility functions
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*/
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FX_ENTRY void FX_CALL
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guAlphaSource( GrAlphaSource_t mode );
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FX_ENTRY void FX_CALL
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guColorCombineFunction( GrColorCombineFnc_t fnc );
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FX_ENTRY int FX_CALL
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guEncodeRLE16( void *dst,
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void *src,
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FxU32 width,
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FxU32 height );
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FX_ENTRY FxU16 * FX_CALL
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guTexCreateColorMipMap( void );
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#endif /* !GLIDE3_ALPHA */
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#ifdef GLIDE3
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FX_ENTRY void FX_CALL
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guGammaCorrectionRGB( FxFloat red, FxFloat green, FxFloat blue );
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#endif
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/*
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** fog stuff
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*/
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FX_ENTRY float FX_CALL
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guFogTableIndexToW( int i );
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FX_ENTRY void FX_CALL
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guFogGenerateExp( GrFog_t fogtable[], float density );
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FX_ENTRY void FX_CALL
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guFogGenerateExp2( GrFog_t fogtable[], float density );
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FX_ENTRY void FX_CALL
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guFogGenerateLinear(GrFog_t fogtable[],
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float nearZ, float farZ );
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/*
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** endian stuff
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*/
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#ifndef GLIDE3_ALPHA
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FX_ENTRY FxU32 FX_CALL
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guEndianSwapWords( FxU32 value );
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FX_ENTRY FxU16 FX_CALL
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guEndianSwapBytes( FxU16 value );
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#endif /* !GLIDE3_ALPHA */
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/*
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** hi-level texture manipulation tools.
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*/
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FX_ENTRY FxBool FX_CALL
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gu3dfGetInfo( const char *filename, Gu3dfInfo *info );
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FX_ENTRY FxBool FX_CALL
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gu3dfLoad( const char *filename, Gu3dfInfo *data );
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#endif /* FX_GLIDE_NO_FUNC_PROTO */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __GLIDEUTL_H__ */
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