src/mesa/array_cache/ac_context.h

   1
   2 /* $Id: ac_context.h,v 1.1 2000/12/26 15:14:04 keithw Exp $ */
   3
   4 /*
   5  * Mesa 3-D graphics library
   6  * Version:  3.5
   7  *
   8  * Copyright (C) 1999  Brian Paul   All Rights Reserved.
   9  *
  10  * Permission is hereby granted, free of charge, to any person obtaining a
  11  * copy of this software and associated documentation files (the "Software"),
  12  * to deal in the Software without restriction, including without limitation
  13  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  14  * and/or sell copies of the Software, and to permit persons to whom the
  15  * Software is furnished to do so, subject to the following conditions:
  16  *
  17  * The above copyright notice and this permission notice shall be included
  18  * in all copies or substantial portions of the Software.
  19  *
  20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  21  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  23  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  24  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  25  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26  *
  27  * Author:
  28  *    Keith Whitwell <keithw@valinux.com>
  29  */
  30
  31 #ifndef _AC_CONTEXT_H
  32 #define _AC_CONTEXT_H
  33
  34 #include "glheader.h"
  35 #include "mtypes.h"
  36
  37 #include "array_cache/acache.h"
  38
  39 /* These are used to make the ctx->Current values look like
  40  * arrays (with zero StrideB).
  41  */
  42 struct ac_arrays {
  43    struct gl_client_array Vertex;
  44    struct gl_client_array Normal;
  45    struct gl_client_array Color;
  46    struct gl_client_array SecondaryColor;
  47    struct gl_client_array FogCoord;
  48    struct gl_client_array Index;
  49    struct gl_client_array TexCoord[MAX_TEXTURE_UNITS];
  50    struct gl_client_array EdgeFlag;
  51 };
  52
  53 struct ac_array_pointers {
  54    struct gl_client_array *Vertex;
  55    struct gl_client_array *Normal;
  56    struct gl_client_array *Color;
  57    struct gl_client_array *SecondaryColor;
  58    struct gl_client_array *FogCoord;
  59    struct gl_client_array *Index;
  60    struct gl_client_array *TexCoord[MAX_TEXTURE_UNITS];
  61    struct gl_client_array *EdgeFlag;
  62 };
  63
  64 struct ac_array_flags {
  65    GLboolean Vertex;
  66    GLboolean Normal;
  67    GLboolean Color;
  68    GLboolean SecondaryColor;
  69    GLboolean FogCoord;
  70    GLboolean Index;
  71    GLboolean TexCoord[MAX_TEXTURE_UNITS];
  72    GLboolean EdgeFlag;
  73 };
  74
  75
  76 typedef struct {
  77    GLuint NewState;             /* not needed? */
  78    GLuint NewArrayState;
  79
  80    /* Facility for importing and caching array data:
  81     */
  82    struct ac_arrays Fallback;
  83    struct ac_arrays Cache;
  84    struct ac_array_pointers Current;
  85    struct ac_array_flags Writeable;
  86    GLuint start;
  87    GLuint count;
  88
  89    /* Facility for importing element lists:
  90     */
  91    GLuint *Elts;
  92    GLuint elt_size;
  93
  94 } ACcontext;
  95
  96 #define AC_CONTEXT(ctx) ((ACcontext *)ctx->acache_context)
  97
  98 #endif