1 /****************************************************************************************/
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4 /* Author: John Pollard, Ken Baird */
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5 /* Description: Header for span.c and important defines */
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7 /* The contents of this file are subject to the Genesis3D Public License */
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8 /* Version 1.01 (the "License"); you may not use this file except in */
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9 /* compliance with the License. You may obtain a copy of the License at */
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10 /* http://www.genesis3d.com */
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12 /* Software distributed under the License is distributed on an "AS IS" */
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13 /* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See */
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14 /* the License for the specific language governing rights and limitations */
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15 /* under the License. */
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17 /* The Original Code is Genesis3D, released March 25, 1999. */
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18 /* Genesis3D Version 1.1 released November 15, 1999 */
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19 /* Copyright (C) 1999 WildTangent, Inc. All Rights Reserved */
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21 /****************************************************************************************/
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25 #include "basetype.h"
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27 #define MAXSPANS 25000
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28 #define MAXSCANLINES 768
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30 typedef struct SList
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34 geFloat z1, z2; // So we can spit z spans out for other spans that need to be occluded
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46 extern int32 NumCachedAlphaPolys;
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47 extern int32 NumCachedAlphaSpans;
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49 SList *NewSList(void);
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50 void FreeSList(SList *s);
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51 void ResetSList(void);
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52 void ResetSpans(uint32 Rows);
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54 extern SpanMinMax SMinMax[MAXSCANLINES];
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55 extern SList ScanHash[MAXSPANS]; // hash table for SList
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56 extern int32 CurrentSList;
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