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/*
** Copyright 1995-2095, 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 ** ** This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.; ** the contents of this file may not be disclosed to third parties, copied or ** duplicated in any form, in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 Unpublished - ** rights reserved under the Copyright Laws of the United States. */
#include "glslib.h"
#include <stdlib.h>
#include <string.h>
/******************************************************************************
Array ******************************************************************************/
void __glsArray_final(__GLSarray *inoutArray) { free(inoutArray->base); __glsArray_init(inoutArray); }
void __glsArray_init(__GLSarray *outArray) { outArray->base = GLS_NONE; outArray->bufCount = outArray->count = 0; }
void __glsArray_compact(__GLSarray *inoutArray, size_t inElemSize) { if (inoutArray->bufCount == inoutArray->count) return; if (inoutArray->count) { GLvoid *const newBase = realloc( inoutArray->base, inoutArray->count * inElemSize );
if (newBase) { inoutArray->base = newBase; inoutArray->bufCount = inoutArray->count; } } else { __glsArray_final(inoutArray); } }
void __glsArray_delete( __GLSarray *inoutArray, size_t inIndex, size_t inCount, size_t inElemSize ) { if (inIndex >= inoutArray->count) return; if (inIndex + inCount >= inoutArray->count) { inoutArray->count = inIndex; } else { GLubyte *const p = (GLubyte *)inoutArray->base + inIndex * inElemSize;
memmove( p, p + inCount * inElemSize, (inoutArray->count - (inIndex + inCount)) * inElemSize ); inoutArray->count -= inCount; } }
GLboolean __glsArray_insert( __GLSarray *inoutArray, size_t inIndex, size_t inCount, GLboolean inInit, size_t inElemSize ) { const size_t newCount = inoutArray->count + inCount;
if (newCount > inoutArray->bufCount) { size_t newBufCount = __glsCeilBase2(newCount); GLvoid *buf = malloc(newBufCount * inElemSize);
if (!buf) { newBufCount = newCount; buf = __glsMalloc(newBufCount * inElemSize); if (!buf) return GL_FALSE; } memmove(buf, inoutArray->base, inoutArray->count); free(inoutArray->base); inoutArray->base = buf; inoutArray->bufCount = newBufCount; } if (inIndex < inoutArray->count) { GLubyte *const p = (GLubyte *)inoutArray->base + inIndex * inElemSize;
memmove( p + inCount * inElemSize, p, (inoutArray->count - inIndex) * inElemSize ); } else { inIndex = inoutArray->count; } if (inInit) { memset( (GLubyte *)inoutArray->base + inIndex * inElemSize, 0, inCount * inElemSize ); } inoutArray->count = newCount; return GL_TRUE; }
/******************************************************************************
Checksum ******************************************************************************/
#define __GLS_CRC32_POLY 0x04c11db7 /* AUTODIN II, Ethernet, & FDDI */
#if __GLS_UNUSED
static void __glsCRC32tableInit(void) { GLuint c, i, j;
for (i = 0; i < 256; ++i) { for (c = i << 24, j = 8; j ; --j) { c = c & 0x80000000 ? (c << 1) ^ __GLS_CRC32_POLY : (c << 1); } __glsCRC32table[i] = c; } } #endif /* __GLS_UNUSED */
const GLuint __glsCRC32table[256] = { 0x00000000, 0x04c11db7, 0x09823b6e, 0x0d4326d9, 0x130476dc, 0x17c56b6b, 0x1a864db2, 0x1e475005, 0x2608edb8, 0x22c9f00f, 0x2f8ad6d6, 0x2b4bcb61, 0x350c9b64, 0x31cd86d3, 0x3c8ea00a, 0x384fbdbd, 0x4c11db70, 0x48d0c6c7, 0x4593e01e, 0x4152fda9, 0x5f15adac, 0x5bd4b01b, 0x569796c2, 0x52568b75, 0x6a1936c8, 0x6ed82b7f, 0x639b0da6, 0x675a1011, 0x791d4014, 0x7ddc5da3, 0x709f7b7a, 0x745e66cd, 0x9823b6e0, 0x9ce2ab57, 0x91a18d8e, 0x95609039, 0x8b27c03c, 0x8fe6dd8b, 0x82a5fb52, 0x8664e6e5, 0xbe2b5b58, 0xbaea46ef, 0xb7a96036, 0xb3687d81, 0xad2f2d84, 0xa9ee3033, 0xa4ad16ea, 0xa06c0b5d, 0xd4326d90, 0xd0f37027, 0xddb056fe, 0xd9714b49, 0xc7361b4c, 0xc3f706fb, 0xceb42022, 0xca753d95, 0xf23a8028, 0xf6fb9d9f, 0xfbb8bb46, 0xff79a6f1, 0xe13ef6f4, 0xe5ffeb43, 0xe8bccd9a, 0xec7dd02d, 0x34867077, 0x30476dc0, 0x3d044b19, 0x39c556ae, 0x278206ab, 0x23431b1c, 0x2e003dc5, 0x2ac12072, 0x128e9dcf, 0x164f8078, 0x1b0ca6a1, 0x1fcdbb16, 0x018aeb13, 0x054bf6a4, 0x0808d07d, 0x0cc9cdca, 0x7897ab07, 0x7c56b6b0, 0x71159069, 0x75d48dde, 0x6b93dddb, 0x6f52c06c, 0x6211e6b5, 0x66d0fb02, 0x5e9f46bf, 0x5a5e5b08, 0x571d7dd1, 0x53dc6066, 0x4d9b3063, 0x495a2dd4, 0x44190b0d, 0x40d816ba, 0xaca5c697, 0xa864db20, 0xa527fdf9, 0xa1e6e04e, 0xbfa1b04b, 0xbb60adfc, 0xb6238b25, 0xb2e29692, 0x8aad2b2f, 0x8e6c3698, 0x832f1041, 0x87ee0df6, 0x99a95df3, 0x9d684044, 0x902b669d, 0x94ea7b2a, 0xe0b41de7, 0xe4750050, 0xe9362689, 0xedf73b3e, 0xf3b06b3b, 0xf771768c, 0xfa325055, 0xfef34de2, 0xc6bcf05f, 0xc27dede8, 0xcf3ecb31, 0xcbffd686, 0xd5b88683, 0xd1799b34, 0xdc3abded, 0xd8fba05a, 0x690ce0ee, 0x6dcdfd59, 0x608edb80, 0x644fc637, 0x7a089632, 0x7ec98b85, 0x738aad5c, 0x774bb0eb, 0x4f040d56, 0x4bc510e1, 0x46863638, 0x42472b8f, 0x5c007b8a, 0x58c1663d, 0x558240e4, 0x51435d53, 0x251d3b9e, 0x21dc2629, 0x2c9f00f0, 0x285e1d47, 0x36194d42, 0x32d850f5, 0x3f9b762c, 0x3b5a6b9b, 0x0315d626, 0x07d4cb91, 0x0a97ed48, 0x0e56f0ff, 0x1011a0fa, 0x14d0bd4d, 0x19939b94, 0x1d528623, 0xf12f560e, 0xf5ee4bb9, 0xf8ad6d60, 0xfc6c70d7, 0xe22b20d2, 0xe6ea3d65, 0xeba91bbc, 0xef68060b, 0xd727bbb6, 0xd3e6a601, 0xdea580d8, 0xda649d6f, 0xc423cd6a, 0xc0e2d0dd, 0xcda1f604, 0xc960ebb3, 0xbd3e8d7e, 0xb9ff90c9, 0xb4bcb610, 0xb07daba7, 0xae3afba2, 0xaafbe615, 0xa7b8c0cc, 0xa379dd7b, 0x9b3660c6, 0x9ff77d71, 0x92b45ba8, 0x9675461f, 0x8832161a, 0x8cf30bad, 0x81b02d74, 0x857130c3, 0x5d8a9099, 0x594b8d2e, 0x5408abf7, 0x50c9b640, 0x4e8ee645, 0x4a4ffbf2, 0x470cdd2b, 0x43cdc09c, 0x7b827d21, 0x7f436096, 0x7200464f, 0x76c15bf8, 0x68860bfd, 0x6c47164a, 0x61043093, 0x65c52d24, 0x119b4be9, 0x155a565e, 0x18197087, 0x1cd86d30, 0x029f3d35, 0x065e2082, 0x0b1d065b, 0x0fdc1bec, 0x3793a651, 0x3352bbe6, 0x3e119d3f, 0x3ad08088, 0x2497d08d, 0x2056cd3a, 0x2d15ebe3, 0x29d4f654, 0xc5a92679, 0xc1683bce, 0xcc2b1d17, 0xc8ea00a0, 0xd6ad50a5, 0xd26c4d12, 0xdf2f6bcb, 0xdbee767c, 0xe3a1cbc1, 0xe760d676, 0xea23f0af, 0xeee2ed18, 0xf0a5bd1d, 0xf464a0aa, 0xf9278673, 0xfde69bc4, 0x89b8fd09, 0x8d79e0be, 0x803ac667, 0x84fbdbd0, 0x9abc8bd5, 0x9e7d9662, 0x933eb0bb, 0x97ffad0c, 0xafb010b1, 0xab710d06, 0xa6322bdf, 0xa2f33668, 0xbcb4666d, 0xb8757bda, 0xb5365d03, 0xb1f740b4, };
/******************************************************************************
Dict ******************************************************************************/
typedef struct { __GLS_LIST_ELEM; union { GLint intKey; const GLubyte *strKey; } key; union { GLint intVal; GLvoid *ptrVal; } val; } __GLSdictEntry;
typedef __GLS_LIST(__GLSdictEntry) __GLSdictEntryList; typedef __GLS_LIST_ITER(__GLSdictEntry) __GLSdictEntryIter;
struct __GLSdict{ size_t count; __GLSdictEntryList *table; size_t tableMax; GLboolean staticKeys; };
static __GLSdict* __glsDict_create( size_t inTableCount, GLboolean inStaticKeys ) { __GLSdict *outDict;
if (inTableCount < 1) return GLS_NONE; outDict = __glsCalloc(1, sizeof(__GLSdict)); if (!outDict) return GLS_NONE; outDict->staticKeys = inStaticKeys; inTableCount = __glsCeilBase2(inTableCount); outDict->table = __glsCalloc(inTableCount, sizeof(__GLSdictEntryList)); if (!outDict->table) return __glsStrDict_destroy(outDict); outDict->tableMax = inTableCount - 1; return outDict; }
__GLS_FORWARD static __GLSdictEntry* __glsIntDictEntry_destroy( __GLSdictEntry *inEntry );
static __GLSdictEntry* __glsIntDictEntry_create(GLint inKey) { __GLSdictEntry *const outEntry = __glsCalloc(1, sizeof(__GLSdictEntry));
if (!outEntry) return GLS_NONE; outEntry->key.intKey = inKey; return outEntry; }
static __GLSdictEntry* __glsIntDictEntry_destroy(__GLSdictEntry *inEntry) { free(inEntry); return GLS_NONE; }
static size_t __glsIntHash(const __GLSdict *inDict, GLint inKey) { return inKey & inDict->tableMax; }
static GLboolean __glsIntDict_add( __GLSdict *inoutDict, GLint inKey, __GLSdictEntry *inEntry ) { if (inoutDict->count++ > inoutDict->tableMax) { const size_t newTableSize = (inoutDict->tableMax + 1) * 2; __GLSdictEntryList *const newTable = ( __glsCalloc(newTableSize, sizeof(__GLSdictEntryList)) ); if (newTable) { size_t i = inoutDict->tableMax;
inoutDict->tableMax = newTableSize - 1; for ( ; i != (size_t)-1; --i) { __GLSdictEntry *oldEntry;
while (oldEntry = inoutDict->table[i].head) { __GLS_LIST_REMOVE(inoutDict->table + i, oldEntry); __GLS_LIST_APPEND( newTable + __glsIntHash(inoutDict, oldEntry->key.intKey), oldEntry ); } } free(inoutDict->table); inoutDict->table = newTable; } } __GLS_LIST_PREPEND( inoutDict->table + __glsIntHash(inoutDict, inKey), inEntry );
return GL_TRUE; }
__GLSdict* __glsIntDict_create(size_t inTableCount) { return __glsDict_create(inTableCount, GL_FALSE); }
__GLSdict* __glsIntDict_destroy(__GLSdict *inDict) { size_t i;
if (!inDict) return GLS_NONE; if (inDict->table) for (i = inDict->tableMax ; i != (size_t)-1; --i) { __GLS_LIST_CLEAR_DESTROY(inDict->table + i, __glsIntDictEntry_destroy); } free(inDict->table); free(inDict); return GLS_NONE; }
void __glsIntDict_print(__GLSdict *inoutDict, const GLubyte *inName) { size_t i;
fprintf(stdout, "%s(\n", inName); for (i = 0 ; i <= inoutDict->tableMax ; ++i) { __GLSdictEntryIter iter;
__GLS_LIST_FIRST(inoutDict->table + i, &iter); if (iter.elem) { fprintf(stdout, " "); while (iter.elem) { fprintf(stdout, " %d", iter.elem->key.intKey); __GLS_LIST_NEXT(inoutDict->table + i, &iter); } fprintf(stdout, "\n"); } } fprintf(stdout, ")\n"); }
void __glsIntDict_remove(__GLSdict *inoutDict, GLint inKey) { __GLSdictEntryIter iter; __GLSdictEntryList *const list = ( inoutDict->table + __glsIntHash(inoutDict, inKey) );
__GLS_LIST_FIRST(list, &iter); while (iter.elem) { if (inKey == iter.elem->key.intKey) { __GLS_LIST_REMOVE_DESTROY( list, iter.elem, __glsIntDictEntry_destroy ); --inoutDict->count; return; } __GLS_LIST_NEXT(list, &iter); } }
GLboolean __glsInt2IntDict_add( __GLSdict *inoutDict, GLint inKey, GLint inVal ) { __GLSdictEntry *entry;
if (__glsInt2IntDict_find(inoutDict, inKey, GLS_NONE)) return GL_FALSE; entry = __glsIntDictEntry_create(inKey); if (!entry) return GL_FALSE; entry->val.intVal = inVal; return __glsIntDict_add(inoutDict, inKey, entry); }
GLboolean __glsInt2PtrDict_add( __GLSdict *inoutDict, GLint inKey, GLvoid *inVal ) { __GLSdictEntry *entry;
if (__glsInt2PtrDict_find(inoutDict, inKey)) return GL_FALSE; entry = __glsIntDictEntry_create(inKey); if (!entry) return GL_FALSE; entry->val.ptrVal = inVal; return __glsIntDict_add(inoutDict, inKey, entry); }
GLboolean __glsInt2IntDict_find( const __GLSdict *inDict, GLint inKey, GLint *optoutVal ) { __GLSdictEntryIter iter; __GLSdictEntryList *const list = ( inDict->table + __glsIntHash(inDict, inKey) );
__GLS_LIST_FIRST(list, &iter); while (iter.elem) { if (inKey == iter.elem->key.intKey) { if (optoutVal) *optoutVal = iter.elem->val.intVal; return GL_TRUE; } __GLS_LIST_NEXT(list, &iter); } return GL_FALSE; }
GLvoid* __glsInt2PtrDict_find(const __GLSdict *inDict, GLint inKey) { __GLSdictEntryIter iter; __GLSdictEntryList *const list = ( inDict->table + __glsIntHash(inDict, inKey) );
__GLS_LIST_FIRST(list, &iter); while (iter.elem) { if (inKey == iter.elem->key.intKey) { return iter.elem->val.ptrVal; } __GLS_LIST_NEXT(list, &iter); } return GLS_NONE; }
GLboolean __glsInt2IntDict_replace( __GLSdict *inoutDict, GLint inKey, GLint inVal ) { __GLSdictEntryIter iter; __GLSdictEntryList *const list = ( inoutDict->table + __glsIntHash(inoutDict, inKey) );
__GLS_LIST_FIRST(list, &iter); while (iter.elem) { if (inKey == iter.elem->key.intKey) { iter.elem->val.intVal = inVal; return GL_TRUE; } __GLS_LIST_NEXT(list, &iter); } return GL_FALSE; }
GLboolean __glsInt2PtrDict_replace( __GLSdict *inoutDict, GLint inKey, GLvoid *inVal ) { __GLSdictEntryIter iter; __GLSdictEntryList *const list = ( inoutDict->table + __glsIntHash(inoutDict, inKey) );
__GLS_LIST_FIRST(list, &iter); while (iter.elem) { if (inKey == iter.elem->key.intKey) { iter.elem->val.ptrVal = inVal; return GL_TRUE; } __GLS_LIST_NEXT(list, &iter); } return GL_FALSE; }
__GLS_FORWARD static __GLSdictEntry* __glsStrDictEntry_destroy( __GLSdictEntry *inEntry, GLboolean inStaticKey );
static __GLSdictEntry* __glsStrDictEntry_create( const GLubyte *inKey, GLboolean inStaticKey ) { __GLSdictEntry *const outEntry = __glsCalloc(1, sizeof(__GLSdictEntry));
if (!outEntry) return GLS_NONE; if (inStaticKey) { outEntry->key.strKey = inKey; } else { GLubyte *const buf = __glsMalloc(strlen((const char *)inKey) + 1);
if (!buf) { return __glsStrDictEntry_destroy(outEntry, GL_FALSE); } strcpy((char *)buf, (const char *)inKey); outEntry->key.strKey = buf; } return outEntry; }
static __GLSdictEntry* __glsStrDictEntry_destroy( __GLSdictEntry *inEntry, GLboolean inStaticKey ) { if (!inEntry) return GLS_NONE; if (!inStaticKey) free((GLvoid *)inEntry->key.strKey); free(inEntry); return GLS_NONE; }
static size_t __glsStrHash(const __GLSdict *inDict, const GLubyte *inKey) { GLubyte charVal; size_t outHash = 0;
while (charVal = *inKey++) outHash += charVal; return outHash & inDict->tableMax; }
static GLboolean __glsStrDict_add( __GLSdict *inoutDict, const GLubyte *inKey, __GLSdictEntry *inEntry ) { if (inoutDict->count++ > inoutDict->tableMax) { const size_t newTableSize = (inoutDict->tableMax + 1) * 2; __GLSdictEntryList *const newTable = ( __glsCalloc(newTableSize, sizeof(__GLSdictEntryList)) );
if (newTable) { size_t i = inoutDict->tableMax;
inoutDict->tableMax = newTableSize - 1; for ( ; i != (size_t)-1; --i) { __GLSdictEntry *oldEntry;
while (oldEntry = inoutDict->table[i].head) { __GLS_LIST_REMOVE(inoutDict->table + i, oldEntry); __GLS_LIST_APPEND( newTable + __glsStrHash(inoutDict, oldEntry->key.strKey), oldEntry ); } } free(inoutDict->table); inoutDict->table = newTable; } } __GLS_LIST_PREPEND( inoutDict->table + __glsStrHash(inoutDict, inKey), inEntry ); return GL_TRUE; }
__GLSdict* __glsStrDict_create(size_t inTableCount, GLboolean inStaticKeys) { return __glsDict_create(inTableCount, inStaticKeys); }
__GLSdict* __glsStrDict_destroy(__GLSdict *inDict) { size_t i;
if (!inDict) return GLS_NONE; if (inDict->table) for (i = inDict->tableMax ; i != (size_t)-1; --i) { __GLSdictEntry *entry;
while (entry = inDict->table[i].head) { __GLS_LIST_REMOVE(inDict->table + i, entry); __glsStrDictEntry_destroy(entry, inDict->staticKeys); } } free(inDict->table); free(inDict); return GLS_NONE; }
void __glsStrDict_print(__GLSdict *inoutDict, const GLubyte *inName) { size_t i;
fprintf(stdout, "%s(\n", inName); for (i = 0 ; i <= inoutDict->tableMax ; ++i) { __GLSdictEntryIter iter; __GLS_LIST_FIRST(inoutDict->table + i, &iter); if (iter.elem) { fprintf(stdout, " "); while (iter.elem) { fprintf(stdout, " %s", iter.elem->key.strKey); __GLS_LIST_NEXT(inoutDict->table + i, &iter); } fprintf(stdout, "\n"); } } fprintf(stdout, ")\n"); }
void __glsStrDict_remove(__GLSdict *inoutDict, const GLubyte *inKey) { __GLSdictEntryIter iter; __GLSdictEntryList *const list = ( inoutDict->table + __glsStrHash(inoutDict, inKey) );
__GLS_LIST_FIRST(list, &iter); while (iter.elem) { if ( !strcmp((const char *)inKey, (const char *)iter.elem->key.strKey) ) { __GLS_LIST_REMOVE(list, iter.elem); __glsStrDictEntry_destroy(iter.elem, inoutDict->staticKeys); --inoutDict->count; return; } __GLS_LIST_NEXT(list, &iter); } }
GLboolean __glsStr2IntDict_add( __GLSdict *inoutDict, const GLubyte *inKey, GLint inVal ) { __GLSdictEntry *entry;
if (__glsStr2IntDict_find(inoutDict, inKey, GLS_NONE)) return GL_FALSE; entry = __glsStrDictEntry_create(inKey, inoutDict->staticKeys); if (!entry) return GL_FALSE; entry->val.intVal = inVal; return __glsStrDict_add(inoutDict, inKey, entry); }
GLboolean __glsStr2PtrDict_add( __GLSdict *inoutDict, const GLubyte *inKey, GLvoid *inVal ) { __GLSdictEntry *entry;
if (__glsStr2PtrDict_find(inoutDict, inKey)) return GL_FALSE; entry = __glsStrDictEntry_create(inKey, inoutDict->staticKeys); if (!entry) return GL_FALSE; entry->val.ptrVal = inVal; return __glsStrDict_add(inoutDict, inKey, entry); }
GLboolean __glsStr2IntDict_find( const __GLSdict *inDict, const GLubyte *inKey, GLint *optoutVal ) { __GLSdictEntryIter iter; __GLSdictEntryList *const list = ( inDict->table + __glsStrHash(inDict, inKey) );
__GLS_LIST_FIRST(list, &iter); while (iter.elem) { if ( !strcmp((const char *)inKey, (const char *)iter.elem->key.strKey) ) { if (optoutVal) *optoutVal = iter.elem->val.intVal; return GL_TRUE; } __GLS_LIST_NEXT(list, &iter); } return GL_FALSE; }
GLvoid* __glsStr2PtrDict_find(const __GLSdict *inDict, const GLubyte *inKey) { __GLSdictEntryIter iter; __GLSdictEntryList *const list = ( inDict->table + __glsStrHash(inDict, inKey) );
__GLS_LIST_FIRST(list, &iter); while (iter.elem) { if ( !strcmp((const char *)inKey, (const char *)iter.elem->key.strKey) ) { return iter.elem->val.ptrVal; } __GLS_LIST_NEXT(list, &iter); } return GLS_NONE; }
GLboolean __glsStr2IntDict_replace( __GLSdict *inoutDict, const GLubyte *inKey, GLint inVal ) { __GLSdictEntryIter iter; __GLSdictEntryList *const list = ( inoutDict->table + __glsStrHash(inoutDict, inKey) );
__GLS_LIST_FIRST(list, &iter); while (iter.elem) { if ( !strcmp((const char *)inKey, (const char *)iter.elem->key.strKey) ) { iter.elem->val.intVal = inVal; return GL_TRUE; } __GLS_LIST_NEXT(list, &iter); } return GL_FALSE; }
GLboolean __glsStr2PtrDict_replace( __GLSdict *inoutDict, const GLubyte *inKey, GLvoid *inVal ) { __GLSdictEntryIter iter; __GLSdictEntryList *const list = ( inoutDict->table + __glsStrHash(inoutDict, inKey) );
__GLS_LIST_FIRST(list, &iter); while (iter.elem) { if ( !strcmp((const char *)inKey, (const char *)iter.elem->key.strKey) ) { iter.elem->val.ptrVal = inVal; return GL_TRUE; } __GLS_LIST_NEXT(list, &iter); } return GL_FALSE; }
/******************************************************************************
List ******************************************************************************/
void __glsListAppend(__GLSlist *inoutList, __GLSlistElem *inoutElem) { if (inoutList->head) { inoutList->head->prev->next = inoutElem; inoutElem->prev = inoutList->head->prev; inoutElem->next = inoutList->head; inoutList->head->prev = inoutElem; } else { inoutList->head = inoutElem; inoutElem->prev = inoutElem->next = inoutElem; } }
void __glsListClearDestroy( __GLSlist *inoutList, __GLSlistElemDestructor inDestructor ) { while (inoutList->head) { __glsListRemoveDestroy(inoutList, inoutList->head, inDestructor); } }
void __glsListFirst(__GLSlist *inList, __GLSlistIter *inoutIter) { inoutIter->elem = inList->head; }
void __glsListLast(__GLSlist *inList, __GLSlistIter *inoutIter) { inoutIter->elem = inList->head ? inList->head->prev : GLS_NONE; }
void __glsListNext(__GLSlist *inList, __GLSlistIter *inoutIter) { if (inoutIter->elem) { inoutIter->elem = inoutIter->elem->next; if (inoutIter->elem == inList->head) inoutIter->elem = GLS_NONE; } }
void __glsListPrepend(__GLSlist *inoutList, __GLSlistElem *inoutElem) { if (inoutList->head) { inoutList->head->prev->next = inoutElem; inoutElem->prev = inoutList->head->prev; inoutElem->next = inoutList->head; inoutList->head->prev = inoutElem; inoutList->head = inoutElem; } else { inoutList->head = inoutElem; inoutElem->prev = inoutElem->next = inoutElem; } }
void __glsListPrev(__GLSlist *inList, __GLSlistIter *inoutIter) { if (inoutIter->elem) { inoutIter->elem = ( (inoutIter->elem == inList->head) ? GLS_NONE : inoutIter->elem->prev ); } }
void __glsListRemove(__GLSlist *inoutList, __GLSlistElem *inoutElem) { if (inoutList->head == inoutList->head->next) { inoutList->head = GLS_NONE; } else { inoutElem->next->prev = inoutElem->prev; inoutElem->prev->next = inoutElem->next; if (inoutList->head == inoutElem) { inoutList->head = inoutList->head->next; } } }
void __glsListRemoveDestroy( __GLSlist *inoutList, __GLSlistElem *inElem, __GLSlistElemDestructor inDestructor ) { __glsListRemove(inoutList, inElem); inDestructor(inElem); }
/******************************************************************************
IterList ******************************************************************************/
void __glsIterListAppend(__GLSiterList *inoutList, __GLSlistElem *inoutElem) { __glsListAppend((__GLSlist *)&inoutList->head, inoutElem); ++inoutList->count; }
void __glsIterListClearDestroy( __GLSiterList *inoutList, __GLSlistElemDestructor inDestructor ) { __glsListClearDestroy((__GLSlist *)&inoutList->head, inDestructor); inoutList->iterElem = GLS_NONE; inoutList->count = inoutList->iterIndex = 0; }
void __glsIterListFirst(__GLSiterList *inoutList) { __glsListFirst( (__GLSlist *)&inoutList->head, (__GLSlistIter *)&inoutList->iterElem ); inoutList->iterIndex = 0; }
void __glsIterListLast(__GLSiterList *inoutList) { __glsListLast( (__GLSlist *)&inoutList->head, (__GLSlistIter *)&inoutList->iterElem ); inoutList->iterIndex = inoutList->iterElem ? inoutList->count - 1 : 0; }
void __glsIterListNext(__GLSiterList *inoutList) { __glsListNext( (__GLSlist *)&inoutList->head, (__GLSlistIter *)&inoutList->iterElem ); inoutList->iterIndex = inoutList->iterElem ? inoutList->iterIndex + 1 : 0; }
void __glsIterListPrepend(__GLSiterList *inoutList, __GLSlistElem *inoutElem) { __glsListPrepend((__GLSlist *)&inoutList->head, inoutElem); ++inoutList->count; if (inoutList->iterElem) ++inoutList->iterIndex; }
void __glsIterListPrev(__GLSiterList *inoutList) { __glsListPrev( (__GLSlist *)&inoutList->head, (__GLSlistIter *)&inoutList->iterElem ); inoutList->iterIndex = inoutList->iterElem ? inoutList->iterIndex - 1 : 0; }
void __glsIterListRemove(__GLSiterList *inoutList, __GLSlistElem *inoutElem) { __glsListRemove((__GLSlist *)&inoutList->head, inoutElem); inoutList->iterElem = GLS_NONE; --inoutList->count; inoutList->iterIndex = 0; }
void __glsIterListRemoveDestroy( __GLSiterList *inoutList, __GLSlistElem *inElem, __GLSlistElemDestructor inDestructor ) { __glsListRemoveDestroy( (__GLSlist *)&inoutList->head, inElem, inDestructor ); inoutList->iterElem = GLS_NONE; --inoutList->count; inoutList->iterIndex = 0; }
void __glsIterListSeek(__GLSiterList *inoutList, size_t inIndex) { if (inIndex < inoutList->count) { if (!inoutList->iterElem) inoutList->iterElem = inoutList->head; while (inoutList->iterIndex < inIndex) __glsIterListNext(inoutList); while (inoutList->iterIndex > inIndex) __glsIterListPrev(inoutList); } }
/******************************************************************************
Memory ******************************************************************************/
GLvoid* __glsCalloc(size_t inCount, size_t inSize) { GLvoid *outAddr;
if (!inCount) inCount = 1; if (!inSize) inSize = 1; outAddr = calloc(inCount, inSize); if (!outAddr) __GLS_RAISE_ERROR(GLS_OUT_OF_MEMORY); return outAddr; }
GLvoid* __glsMalloc(size_t inSize) { GLvoid *outAddr; if (!inSize) inSize = 1; outAddr = malloc(inSize); if (!outAddr) __GLS_RAISE_ERROR(GLS_OUT_OF_MEMORY); return outAddr; }
/******************************************************************************
Nop ******************************************************************************/
void __glsNop(void) {}
/******************************************************************************
Number ******************************************************************************/
const GLubyte __glsBitReverse[256] = { 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0, 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4, 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc, 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2, 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa, 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6, 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1, 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9, 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5, 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd, 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3, 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb, 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7, 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff, };
const GLubyte __glsQuietNaN[8] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, };
size_t __glsCeilBase2(size_t inVal) { const size_t outVal = 1 << __glsLogBase2(inVal);
return outVal < inVal ? outVal << 1 : outVal; }
size_t __glsLogBase2(size_t inVal) { size_t outLog = 0;
while (inVal >>= 1) ++outLog; return outLog; }
GLulong __glsPtrToULong(const GLvoid *inPtr) { #if __GLS_INT64
return (GLulong)(SIZE_T)inPtr; #else /* !__GLS_INT64 */
return glsULong(0, (GLuint)inPtr); #endif /* __GLS_INT64 */
}
GLlong __glsSizeToLong(size_t inSize) { #if __GLS_INT64
return (GLlong)inSize; #else /* !__GLS_INT64 */
if (sizeof(GLuint) >= sizeof(size_t)) { return glsLong(0, inSize); } else { return glsLong(inSize >> 32, inSize & 0xffffffff); } #endif /* __GLS_INT64 */
}
void __glsSwap2(GLvoid *inoutVec) { __GLS_SWAP_DECLARE;
__GLS_SWAP2(inoutVec); }
void __glsSwap2v(size_t inCount, GLvoid *inoutVec) { __GLS_SWAP_DECLARE; GLubyte *ptr = (GLubyte *)inoutVec;
while (inCount--) { __GLS_SWAP2(ptr); ptr += 2; } }
void __glsSwap4(GLvoid *inoutVec) { __GLS_SWAP_DECLARE;
__GLS_SWAP4(inoutVec); }
void __glsSwap4v(size_t inCount, GLvoid *inoutVec) { __GLS_SWAP_DECLARE; GLubyte *ptr = (GLubyte *)inoutVec;
while (inCount--) { __GLS_SWAP4(ptr); ptr += 4; } }
void __glsSwap8(GLvoid *inoutVec) { __GLS_SWAP_DECLARE;
__GLS_SWAP8(inoutVec); }
void __glsSwap8v(size_t inCount, GLvoid *inoutVec) { __GLS_SWAP_DECLARE; GLubyte *ptr = (GLubyte *)inoutVec;
while (inCount-- > 0) { __GLS_SWAP8(ptr); ptr += 8; } }
GLint __glsSwapi(GLint inVal) { __GLS_SWAP_DECLARE;
__GLS_SWAP4(&inVal); return inVal; }
GLshort __glsSwaps(GLshort inVal) { __GLS_SWAP_DECLARE;
__GLS_SWAP2(&inVal); return inVal; }
void __glsSwapv(GLenum inType, size_t inBytes, GLvoid *inoutVec) { switch (inType) { case GL_FLOAT: case GL_INT: case GL_UNSIGNED_INT: #if __GL_EXT_packed_pixels
case GL_UNSIGNED_INT_8_8_8_8_EXT: case GL_UNSIGNED_INT_10_10_10_2_EXT: #endif /* __GL_EXT_packed_pixels */
__glsSwap4v(inBytes / 4, (GLubyte *)inoutVec); break; case GL_SHORT: case GL_UNSIGNED_SHORT: #if __GL_EXT_packed_pixels
case GL_UNSIGNED_SHORT_4_4_4_4_EXT: case GL_UNSIGNED_SHORT_5_5_5_1_EXT: #endif /* __GL_EXT_packed_pixels */
__glsSwap2v(inBytes / 2, (GLubyte *)inoutVec); break; #if __GL_EXT_vertex_array
case GL_DOUBLE_EXT: __glsSwap8v(inBytes / 8, (GLubyte *)inoutVec); break; #endif /* __GL_EXT_vertex_array */
} }
/******************************************************************************
String ******************************************************************************/
static GLboolean __glsString_addRoom( __GLSstring *inoutString, size_t inCount ) { const size_t newSize = __glsCeilBase2( (size_t)((ULONG_PTR)(inoutString->bufTail - inoutString->head) + 1 + inCount) ); GLubyte *buf = __glsMalloc(newSize);
if (!buf) return GL_FALSE; strcpy((char *)buf, (const char *)inoutString->head); inoutString->tail = buf + (inoutString->tail - inoutString->head); if (inoutString->head != inoutString->buf) free(inoutString->head); inoutString->head = buf; inoutString->bufTail = buf + newSize - 1; return GL_TRUE; }
GLboolean __glsString_append( __GLSstring *inoutString, const GLubyte* inAppend ) { const size_t count = strlen((const char *)inAppend);
if ( inoutString->tail + count > inoutString->bufTail && !__glsString_addRoom(inoutString, count) ) { return GL_FALSE; } strcpy((char *)inoutString->tail, (const char *)inAppend); inoutString->tail += count; return GL_TRUE; }
GLboolean __glsString_appendChar( __GLSstring *inoutString, GLubyte inAppend ) { *inoutString->tail++ = inAppend; if (inoutString->tail > inoutString->bufTail) { *--inoutString->tail = 0; if (!__glsString_addRoom(inoutString, 1)) return GL_FALSE; *inoutString->tail++ = inAppend; } *inoutString->tail = 0; return GL_TRUE; }
GLboolean __glsString_appendCounted( __GLSstring *inoutString, const GLubyte* inAppend, size_t inCount ) { if ( inoutString->tail + inCount > inoutString->bufTail && !__glsString_addRoom(inoutString, inCount) ) { return GL_FALSE; } strncpy((char *)inoutString->tail, (const char *)inAppend, inCount); inoutString->tail += inCount; *inoutString->tail = 0; return GL_TRUE; }
GLboolean __glsString_appendInt( __GLSstring *inoutString, const GLubyte* inFormat, GLint inVal ) { __GLSstringBuf buf; size_t count; if (sprintf((char *)buf, (const char *)inFormat, inVal) < 0) { fprintf(stderr, "GLS fatal: sprintf failed\n"); exit(EXIT_FAILURE); } count = strlen((const char *)buf); if ( inoutString->tail + count > inoutString->bufTail && !__glsString_addRoom(inoutString, count) ) { return GL_FALSE; } strcpy((char *)inoutString->tail, (const char *)buf); inoutString->tail += count; return GL_TRUE; }
GLboolean __glsString_assign( __GLSstring *inoutString, const GLubyte *inAssign ) { inoutString->tail = inoutString->head; return __glsString_append(inoutString, inAssign); }
GLboolean __glsString_assignCounted( __GLSstring *inoutString, const GLubyte *inAssign, size_t inCount ) { inoutString->tail = inoutString->head; return __glsString_appendCounted(inoutString, inAssign, inCount); }
void __glsString_final(__GLSstring *inoutString) { if (inoutString->head != inoutString->buf) { free(inoutString->head); inoutString->head = inoutString->buf; } }
void __glsString_init(__GLSstring *outString) { outString->head = outString->tail = outString->buf; outString->bufTail = outString->buf + __GLS_STRING_BUF_BYTES - 1; outString->buf[0] = 0; }
size_t __glsString_length(const __GLSstring *inString) { return (size_t)((ULONG_PTR)(inString->tail - inString->head)); }
void __glsString_reset(__GLSstring *inoutString) { __glsString_final(inoutString); __glsString_init(inoutString); }
const GLubyte* __glsUCS1String(const GLubyte *inUTF8String) { GLuint b; const GLubyte *cp = inUTF8String; GLubyte *outVal, *p;
while (b = *cp++) if (b & 0x80) break; if (!b) return inUTF8String; p = outVal = (GLubyte *)__glsMalloc(strlen((const char *)inUTF8String)); if (!p) return GLS_NONE; while (*inUTF8String) { const GLint n = glsUTF8toUCS4(inUTF8String, &b);
if (n && b <= 0xff) { inUTF8String += n; *p++ = (GLubyte)b; } else { free(outVal); if (!n) __GLS_RAISE_ERROR(GLS_INVALID_STRING); return GLS_NONE; } } *p = 0; return outVal; }
GLboolean __glsValidateString(const GLubyte *inString) { if (!glsIsUTF8String(inString)) { __GLS_RAISE_ERROR(GLS_INVALID_STRING); return GL_FALSE; } return GL_TRUE; }
/******************************************************************************
Vertex array ******************************************************************************/
void __glsGetArrayState(__GLScontext *ctx, __GLSarrayState *arrayState) { __GLS_BEGIN_CAPTURE_EXEC(ctx, GLS_OP_glIsEnabled); __GLS_BEGIN_CAPTURE_EXEC(ctx, GLS_OP_glGetIntegerv); __GLS_BEGIN_CAPTURE_EXEC(ctx, GLS_OP_glGetPointerv);
arrayState->enabled = 0;
if (glIsEnabled(GL_VERTEX_ARRAY)) { arrayState->enabled |= __GLS_VERTEX_ARRAY_ENABLE;
glGetIntegerv(GL_VERTEX_ARRAY_SIZE, &arrayState->vertex.size); glGetIntegerv(GL_VERTEX_ARRAY_TYPE, &arrayState->vertex.type); glGetIntegerv(GL_VERTEX_ARRAY_STRIDE, &arrayState->vertex.stride); glGetPointerv(GL_VERTEX_ARRAY_POINTER, (GLvoid **)&arrayState->vertex.data); } if (glIsEnabled(GL_NORMAL_ARRAY)) { arrayState->enabled |= __GLS_NORMAL_ARRAY_ENABLE;
arrayState->normal.size = 3; glGetIntegerv(GL_NORMAL_ARRAY_TYPE, &arrayState->normal.type); glGetIntegerv(GL_NORMAL_ARRAY_STRIDE, &arrayState->normal.stride); glGetPointerv(GL_NORMAL_ARRAY_POINTER, (GLvoid **)&arrayState->normal.data); } if (glIsEnabled(GL_COLOR_ARRAY)) { arrayState->enabled |= __GLS_COLOR_ARRAY_ENABLE;
glGetIntegerv(GL_COLOR_ARRAY_SIZE, &arrayState->color.size); glGetIntegerv(GL_COLOR_ARRAY_TYPE, &arrayState->color.type); glGetIntegerv(GL_COLOR_ARRAY_STRIDE, &arrayState->color.stride); glGetPointerv(GL_COLOR_ARRAY_POINTER, (GLvoid **)&arrayState->color.data); } if (glIsEnabled(GL_INDEX_ARRAY)) { arrayState->enabled |= __GLS_INDEX_ARRAY_ENABLE;
arrayState->index.size = 1; glGetIntegerv(GL_INDEX_ARRAY_TYPE, &arrayState->index.type); glGetIntegerv(GL_INDEX_ARRAY_STRIDE, &arrayState->index.stride); glGetPointerv(GL_INDEX_ARRAY_POINTER, (GLvoid **)&arrayState->index.data); } if (glIsEnabled(GL_TEXTURE_COORD_ARRAY)) { arrayState->enabled |= __GLS_TEXTURE_COORD_ARRAY_ENABLE;
glGetIntegerv(GL_TEXTURE_COORD_ARRAY_SIZE, &arrayState->textureCoord.size); glGetIntegerv(GL_TEXTURE_COORD_ARRAY_TYPE, &arrayState->textureCoord.type); glGetIntegerv(GL_TEXTURE_COORD_ARRAY_STRIDE, &arrayState->textureCoord.stride); glGetPointerv(GL_TEXTURE_COORD_ARRAY_POINTER, (GLvoid **)&arrayState->textureCoord.data); } if (glIsEnabled(GL_EDGE_FLAG_ARRAY)) { arrayState->enabled |= __GLS_EDGE_FLAG_ARRAY_ENABLE;
arrayState->edgeFlag.size = 1; arrayState->edgeFlag.type = __GLS_BOOLEAN; glGetIntegerv(GL_EDGE_FLAG_ARRAY_STRIDE, &arrayState->edgeFlag.stride); glGetPointerv(GL_EDGE_FLAG_ARRAY_POINTER, (GLvoid **)&arrayState->edgeFlag.data); } __GLS_END_CAPTURE_EXEC(ctx, GLS_OP_glIsEnabled); __GLS_END_CAPTURE_EXEC(ctx, GLS_OP_glGetIntegerv); __GLS_END_CAPTURE_EXEC(ctx, GLS_OP_glGetPointerv); }
GLint __glsArrayDataSize(GLsizei count, __GLSarrayState *arrayState) { GLint size; GLint i; __GLSsingleArrayState *array; GLuint arrayBit;
/* Start with space for the data size, count and enables */ size = 12;
/* Every array stores its size and type fields even
for the cases where size and type are fixed. This allows one piece of code to handle any array */
array = &arrayState->vertex; arrayBit = __GLS_VERTEX_ARRAY_ENABLE; for (i = 0; i < __GLS_ARRAY_COUNT; i++) { if (arrayState->enabled & arrayBit) { size += 8 + __GLS_ARRAY_SIZE(count, array->size, array->type); }
array++; arrayBit <<= 1; }
return size; }
typedef struct _DeHashEntry { GLuint original; struct _DeHashEntry *next; } DeHashEntry;
typedef GLubyte DeHashIndex; #define DE_HASH_SIZE 256
#define DE_HASH(ui) ((DeHashIndex)(ui))
GLint __glsDrawElementsDataSize(GLsizei count, GLenum type, const GLvoid *indices, __GLSarrayState *arrayState, __GLSdrawElementsState *deState) { GLubyte *allData; DeHashEntry *hashTable[DE_HASH_SIZE]; GLint vtxCount; GLint i; GLubyte *idxData; GLuint idx; DeHashEntry *hashEntries; GLuint *outIndices; DeHashEntry *ent; DeHashIndex hash; // Determine the set of unique vertex indices by hashing
// all the input indices and checking for duplicates
// There can't be more unique indices than input indices
// so count is an upper bound for our allocations
allData = __glsMalloc(count * (sizeof(GLuint)+sizeof(DeHashEntry))); if (allData == NULL) { return -1; }
deState->freePtr = allData; outIndices = (GLuint *)allData; deState->indices = outIndices; hashEntries = (DeHashEntry *)(outIndices+count);
memset(hashTable, 0, DE_HASH_SIZE*sizeof(DeHashEntry *));
vtxCount = 0; idxData = (GLubyte *)indices;
for (i = 0; i < count; i++) { // Get incoming index
switch(type) { case GL_UNSIGNED_BYTE: idx = *idxData++; break; case GL_UNSIGNED_SHORT: idx = *(GLushort *)idxData; idxData += sizeof(GLushort); break; case GL_UNSIGNED_INT: idx = *(GLuint *)idxData; idxData += sizeof(GLuint); break; } // Look for a matching index in the hash table
hash = DE_HASH(idx); ent = hashTable[hash]; while (ent != NULL && ent->original != idx) { ent = ent->next; }
// If we didn't find a match, add a new vertex
// reference
if (ent == NULL) { ent = &hashEntries[vtxCount++]; ent->original = idx; ent->next = hashTable[hash]; hashTable[hash] = ent; }
// Create index into unique vertex set
*outIndices++ = (GLuint)((ULONG_PTR)(ent-hashEntries)); }
// Overwrite hash entries with just the vertex mappings for return
outIndices = (GLuint *)hashEntries; deState->vertices = outIndices; deState->vtxCount = vtxCount;
for (i = 0; i < vtxCount; i++) { *outIndices++ = hashEntries->original; hashEntries++; }
// Return the combined size of the unique vertex data and
// the new element indices
return __glsArrayDataSize(vtxCount, arrayState) + count*sizeof(GLuint); }
void __glsWriteArrayValues(__GLSwriter *writer, GLint first, GLsizei count, __GLSsingleArrayState *array) { GLint elStep; const GLvoid *data;
if (array->stride > 0) { elStep = array->stride; } else { elStep = array->size * __glsTypeSize(array->type); } data = (const GLvoid *)((GLubyte *)array->data + first*elStep); __glsWriter_putVertexv(writer, array->size, array->type, array->stride, count, data); }
// This routine must be called with an odd writer alignment
void __glsWriteArrayData(__GLSwriter *writer, GLint size, GLint first, GLsizei count, GLenum type, const GLvoid *indices, __GLSarrayState *arrayState) { GLint i, el; __GLSsingleArrayState *array; GLuint arrayBit; GLubyte *ubIndices; GLushort *usIndices; GLuint *uiIndices;
writer->putGLint(writer, size); writer->putGLint(writer, count); writer->putGLuint(writer, arrayState->enabled);
array = &arrayState->vertex; arrayBit = __GLS_VERTEX_ARRAY_ENABLE; for (i = 0; i < __GLS_ARRAY_COUNT; i++) { if (arrayState->enabled & arrayBit) { writer->putGLint(writer, array->size); writer->putGLint(writer, array->type);
if (indices != NULL) { switch(type) { case GL_UNSIGNED_BYTE: ubIndices = (GLubyte *)indices; for (el = 0; el < count; el++) { __glsWriteArrayValues(writer, ubIndices[el], 1, array); } break; case GL_UNSIGNED_SHORT: usIndices = (GLshort *)indices; for (el = 0; el < count; el++) { __glsWriteArrayValues(writer, usIndices[el], 1, array); } break; case GL_UNSIGNED_INT: uiIndices = (GLuint *)indices; for (el = 0; el < count; el++) { __glsWriteArrayValues(writer, uiIndices[el], 1, array); } break; } } else { __glsWriteArrayValues(writer, first, count, array); }
// Pad data out to an eight-byte boundary
if (writer->type != GLS_TEXT) { GLint pad; double padValue = 0.0; pad = 8 - (__GLS_EXACT_ARRAY_SIZE(count, array->size, array->type) & 7); if (pad < 8) { writer->putGLubytev(writer, pad, (const GLubyte *)&padValue); } } }
array++; arrayBit <<= 1; } }
// This routine must be called with an odd writer alignment
void __glsWriteDrawElementsData(__GLSwriter *writer, GLint size, GLsizei count, __GLSarrayState *arrayState, __GLSdrawElementsState *deState) { __glsWriteArrayData(writer, size, 0, deState->vtxCount, GL_UNSIGNED_INT, deState->vertices, arrayState); writer->putGLuintv(writer, count, deState->indices); free(deState->freePtr); }
typedef void (*__GLSdispatchVertexPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *pointer); typedef void (*__GLSdispatchColorPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *pointer); typedef void (*__GLSdispatchEdgeFlagPointer)(GLsizei stride, const GLvoid *pointer); typedef void (*__GLSdispatchIndexPointer)(GLenum type, GLsizei stride, const GLvoid *pointer); typedef void (*__GLSdispatchNormalPointer)(GLenum type, GLsizei stride, const GLvoid *pointer); typedef void (*__GLSdispatchTexCoordPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *pointer);
void __glsSetArrayState(__GLScontext *ctx, GLubyte *data) { GLsizei count; GLuint enabled;
count = *(GLsizei *)(data+4); enabled = *(GLuint *)(data+8); data += 12;
// Enable/DisableClientState produce their own records so
// the current enable state should be correct
if (enabled & __GLS_VERTEX_ARRAY_ENABLE) { ((__GLSdispatchVertexPointer)ctx->dispatchCall[385]) (*(GLint *)(data+0), *(GLenum *)(data+4), 0, data+8); data += 8 + __GLS_ARRAY_SIZE(count, *(GLint *)(data+0), *(GLenum *)(data+4)); } if (enabled & __GLS_NORMAL_ARRAY_ENABLE) { ((__GLSdispatchNormalPointer)ctx->dispatchCall[382]) (*(GLenum *)(data+4), 0, data+8); data += 8 + __GLS_ARRAY_SIZE(count, 3, *(GLenum *)(data+4)); } if (enabled & __GLS_COLOR_ARRAY_ENABLE) { ((__GLSdispatchColorPointer)ctx->dispatchCall[372]) (*(GLint *)(data+0), *(GLenum *)(data+4), 0, data+8); data += 8 + __GLS_ARRAY_SIZE(count, *(GLint *)(data+0), *(GLenum *)(data+4)); } if (enabled & __GLS_INDEX_ARRAY_ENABLE) { ((__GLSdispatchIndexPointer)ctx->dispatchCall[378]) (*(GLenum *)(data+4), 0, data+8); data += 8 + __GLS_ARRAY_SIZE(count, 1, *(GLenum *)(data+4)); } if (enabled & __GLS_TEXTURE_COORD_ARRAY_ENABLE) { ((__GLSdispatchTexCoordPointer)ctx->dispatchCall[384]) (*(GLint *)(data+0), *(GLenum *)(data+4), 0, data+8); data += 8 + __GLS_ARRAY_SIZE(count, *(GLint *)(data+0), *(GLenum *)(data+4)); } if (enabled & __GLS_EDGE_FLAG_ARRAY_ENABLE) { ((__GLSdispatchEdgeFlagPointer)ctx->dispatchCall[376]) (0, data+8); data += 8 + __GLS_ARRAY_SIZE(count, 1, __GLS_BOOLEAN); } }
GLvoid *__glsSetArrayStateText(__GLScontext *ctx, __GLSreader *reader, GLuint *enabled, GLsizei *count) { GLint size; GLubyte *ptr; int i; GLuint arrayBit; GLvoid *data = GLS_NONE; __glsReader_getGLint_text(reader, &size); __glsReader_getGLint_text(reader, count); __glsReader_getGLuint_text(reader, enabled);
data = __glsMalloc(size); if (!data) goto end;
ptr = (GLubyte *)data; *(GLint *)(ptr+0) = size; *(GLsizei *)(ptr+4) = *count; *(GLuint *)(ptr+8) = *enabled; ptr += 12;
arrayBit = __GLS_VERTEX_ARRAY_ENABLE; for (i = 0; i < __GLS_ARRAY_COUNT; i++) { if (*enabled & arrayBit) { __glsReader_getGLint_text(reader, (GLint *)(ptr+0)); __glsReader_getGLenum_text(reader, (GLenum *)(ptr+4)); size = __GLS_EXACT_ARRAY_SIZE(*count, *(GLint *)(ptr+0), *(GLenum *)(ptr+4)); __glsReader_getGLcompv_text(reader, *(GLenum *)(ptr+4), size, ptr+8); ptr += 8 + __GLS_PAD_EIGHT(size); }
arrayBit <<= 1; } if (reader->error) { free(data); data = NULL; goto end; } __glsSetArrayState(ctx, data);
end: return data; }
void __glsDisableArrayState(__GLScontext *ctx, GLuint enabled) { // Doesn't currently need to do anything because
// enable/disable are handled by their own records
}
void __glsSwapArrayData(GLubyte *data) { int i; GLuint arrayBit; GLsizei count; GLuint enabled; GLint size; __glsSwap4(data+0); __glsSwap4(data+4); count = *(GLsizei *)(data+4); __glsSwap4(data+8); enabled = *(GLuint *)(data+8); data += 12; arrayBit = __GLS_VERTEX_ARRAY_ENABLE; for (i = 0; i < __GLS_ARRAY_COUNT; i++) { if (enabled & arrayBit) { __glsSwap4(data+0); __glsSwap4(data+4); size = __GLS_EXACT_ARRAY_SIZE(count, *(GLint *)(data+0), *(GLenum *)(data+4)); __glsSwapv(*(GLenum *)(data+4), size, data+8);
data += 8 + __GLS_PAD_EIGHT(size); }
arrayBit <<= 1; } }
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