120 lines
3.3 KiB
C
120 lines
3.3 KiB
C
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/*
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** Copyright 1991, Silicon Graphics, Inc.
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** All Rights Reserved.
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**
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** This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;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 Silicon Graphics, 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 Unpublished -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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** $Revision: 1.26 $
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** $Date: 1993/11/29 01:18:49 $
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*/
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#include "precomp.h"
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#pragma hdrstop
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#include "attrib.h"
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static const
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struct defaultMap {
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GLint index;
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GLint k;
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__GLfloat values[4];
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} defaultMaps[__GL_MAP_RANGE_COUNT] = {
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{__GL_C4, 4, 1.0, 1.0, 1.0, 1.0},
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{__GL_I , 1, 1.0, 0.0, 0.0, 0.0},
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{__GL_N3, 3, 0.0, 0.0, 1.0, 0.0},
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{__GL_T1, 1, 0.0, 0.0, 0.0, 0.0},
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{__GL_T2, 2, 0.0, 0.0, 0.0, 0.0},
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{__GL_T3, 3, 0.0, 0.0, 0.0, 0.0},
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{__GL_T4, 4, 0.0, 0.0, 0.0, 1.0},
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{__GL_V3, 3, 0.0, 0.0, 0.0, 0.0},
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{__GL_V4, 4, 0.0, 0.0, 0.0, 1.0},
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};
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void FASTCALL __glInitEvaluatorState(__GLcontext *gc)
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{
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int i,j;
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const struct defaultMap *defMap;
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__GLevaluator1 *eval1;
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__GLevaluator2 *eval2;
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__GLfloat **eval1Data;
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__GLfloat **eval2Data;
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for (i = 0; i < __GL_MAP_RANGE_COUNT; i++) {
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defMap = &(defaultMaps[i]);
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eval1 = &(gc->eval.eval1[i]);
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eval2 = &(gc->eval.eval2[i]);
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eval1Data = &(gc->eval.eval1Data[i]);
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eval2Data = &(gc->eval.eval2Data[i]);
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eval1->order = 1;
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eval1->u1 = __glZero;
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eval1->u2 = __glOne;
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eval1->k = defMap->k;
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eval2->majorOrder = 1;
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eval2->minorOrder = 1;
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eval2->u1 = __glZero;
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eval2->u2 = __glOne;
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eval2->v1 = __glZero;
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eval2->v2 = __glOne;
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eval2->k = defMap->k;
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*eval1Data = (__GLfloat *)
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GCALLOC(gc, (size_t) (sizeof(__GLfloat) * defMap->k));
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#ifdef NT
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if (NULL == *eval1Data) {
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return;
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}
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#endif /* NT */
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*eval2Data = (__GLfloat *)
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GCALLOC(gc, (size_t) (sizeof(__GLfloat) * defMap->k));
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#ifdef NT
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if (NULL == *eval2Data) {
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return;
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}
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#endif /* NT */
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for (j = 0; j < defMap->k; j++) {
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(*eval1Data)[j] = defMap->values[j];
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(*eval2Data)[j] = defMap->values[j];
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}
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}
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gc->eval.uorder = __glZero;
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gc->eval.vorder = __glZero;
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gc->eval.evalStackState = __glZero;
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gc->state.evaluator.u1.start = __glZero;
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gc->state.evaluator.u2.start = __glZero;
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gc->state.evaluator.v2.start = __glZero;
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gc->state.evaluator.u1.finish = __glOne;
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gc->state.evaluator.u2.finish = __glOne;
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gc->state.evaluator.v2.finish = __glOne;
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gc->state.evaluator.u1.n = 1;
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gc->state.evaluator.u2.n = 1;
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gc->state.evaluator.v2.n = 1;
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}
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void FASTCALL __glFreeEvaluatorState(__GLcontext *gc)
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{
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int i;
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__GLevaluatorMachine *evals = &gc->eval;
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for (i = 0; i < __GL_MAP_RANGE_COUNT; i++) {
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if (evals->eval1Data[i]) {
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GCFREE(gc, evals->eval1Data[i]);
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evals->eval1Data[i] = 0;
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}
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if (evals->eval2Data[i]) {
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GCFREE(gc, evals->eval2Data[i]);
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evals->eval2Data[i] = 0;
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}
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}
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}
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