src/mesa/tnl/t_imm_alloc.c

   1 /* $Id: t_imm_alloc.c,v 1.4 2001/03/07 05:06:13 brianp Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  3.5
   6  *
   7  * Copyright (C) 1999  Brian Paul   All Rights Reserved.
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining a
  10  * copy of this software and associated documentation files (the "Software"),
  11  * to deal in the Software without restriction, including without limitation
  12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  13  * and/or sell copies of the Software, and to permit persons to whom the
  14  * Software is furnished to do so, subject to the following conditions:
  15  *
  16  * The above copyright notice and this permission notice shall be included
  17  * in all copies or substantial portions of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  22  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  23  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  * Authors:
  27  *    Keith Whitwell <keithw@valinux.com>
  28  */
  29
  30 #include "glheader.h"
  31 #include "mem.h"
  32 #include "mtypes.h"
  33
  34 #include "t_imm_alloc.h"
  35
  36
  37    static int id = 0;
  38
  39 struct immediate *_tnl_alloc_immediate( GLcontext *ctx )
  40 {
  41    struct immediate *IM = ALIGN_MALLOC_STRUCT( immediate, 32 );
  42    GLuint j;
  43
  44    if (!IM)
  45       return 0;
  46
  47    IM->id = id++;
  48    IM->ref_count = 0;
  49    IM->backref = ctx;
  50    IM->FlushElt = 0;
  51    IM->LastPrimitive = IMM_MAX_COPIED_VERTS;
  52    IM->Count = IMM_MAX_COPIED_VERTS;
  53    IM->Start = IMM_MAX_COPIED_VERTS;
  54    IM->Material = 0;
  55    IM->MaterialMask = 0;
  56    IM->MaxTextureUnits = ctx->Const.MaxTextureUnits;
  57    IM->TexSize = 0;
  58
  59    IM->CopyTexSize = 0;
  60    IM->CopyStart = IM->Start;
  61
  62
  63    /* TexCoord0 is special.
  64     */
  65    IM->TexCoord[0] = IM->TexCoord0;
  66
  67    for (j = 1; j < ctx->Const.MaxTextureUnits; j++) {
  68       IM->TexCoord[j] = (GLfloat (*)[4])
  69          ALIGN_MALLOC( IMM_SIZE * sizeof(GLfloat) * 4, 32 );
  70    }
  71
  72    /* KW: Removed initialization of normals as these are now treated
  73     * identically to all other data types.
  74     */
  75
  76    MEMSET(IM->Flag, 0, sizeof(IM->Flag));
  77
  78    return IM;
  79 }
  80
  81
  82 void _tnl_free_immediate( struct immediate *IM )
  83 {
  84    static int freed = 0;
  85    GLuint j;
  86
  87    if (IM->Material) {
  88       FREE( IM->Material );
  89       FREE( IM->MaterialMask );
  90       IM->Material = 0;
  91       IM->MaterialMask = 0;
  92    }
  93
  94    for (j = 1; j < IM->MaxTextureUnits; j++)
  95       ALIGN_FREE( IM->TexCoord[j] );
  96
  97
  98    ALIGN_FREE( IM );
  99    freed++;
 100 /*     printf("outstanding %d\n", id - freed);    */
 101 }
 102
 103
 104