src/mesa/array_cache/ac_context.c

   1 /* $Id: ac_context.c,v 1.6 2001/12/14 02:50:57 brianp Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  3.5
   6  *
   7  * Copyright (C) 1999-2001  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 "macros.h"
  32 #include "mem.h"
  33 #include "mmath.h"
  34 #include "mtypes.h"
  35
  36 #include "array_cache/ac_context.h"
  37
  38 static void _ac_fallbacks_init( GLcontext *ctx )
  39 {
  40    ACcontext *ac = AC_CONTEXT(ctx);
  41    struct gl_client_array *cl;
  42    GLuint i;
  43
  44    cl = &ac->Fallback.Normal;
  45    cl->Size = 3;
  46    cl->Type = GL_FLOAT;
  47    cl->Stride = 0;
  48    cl->StrideB = 0;
  49    cl->Ptr = (void *) ctx->Current.Attrib[VERT_ATTRIB_NORMAL];
  50    cl->Enabled = 1;
  51    cl->Flags = CA_CLIENT_DATA;  /* hack */
  52
  53    cl = &ac->Fallback.Color;
  54    cl->Size = 4;
  55    cl->Type = GL_FLOAT;
  56    cl->Stride = 0;
  57    cl->StrideB = 0;
  58    cl->Ptr = (void *) ctx->Current.Attrib[VERT_ATTRIB_COLOR0];
  59    cl->Enabled = 1;
  60    cl->Flags = CA_CLIENT_DATA;  /* hack */
  61
  62    cl = &ac->Fallback.SecondaryColor;
  63    cl->Size = 3;
  64    cl->Type = GL_FLOAT;
  65    cl->Stride = 0;
  66    cl->StrideB = 0;
  67    cl->Ptr = (void *) ctx->Current.Attrib[VERT_ATTRIB_COLOR1];
  68    cl->Enabled = 1;
  69    cl->Flags = CA_CLIENT_DATA;  /* hack */
  70
  71    cl = &ac->Fallback.FogCoord;
  72    cl->Size = 1;
  73    cl->Type = GL_FLOAT;
  74    cl->Stride = 0;
  75    cl->StrideB = 0;
  76    cl->Ptr = (void *) &ctx->Current.Attrib[VERT_ATTRIB_FOG];
  77    cl->Enabled = 1;
  78    cl->Flags = CA_CLIENT_DATA;  /* hack */
  79
  80    cl = &ac->Fallback.Index;
  81    cl->Size = 1;
  82    cl->Type = GL_UNSIGNED_INT;
  83    cl->Stride = 0;
  84    cl->StrideB = 0;
  85    cl->Ptr = (void *) &ctx->Current.Index;
  86    cl->Enabled = 1;
  87    cl->Flags = CA_CLIENT_DATA;  /* hack */
  88
  89    for (i = 0 ; i < MAX_TEXTURE_UNITS ; i++) {
  90       cl = &ac->Fallback.TexCoord[i];
  91       cl->Size = 4;
  92       cl->Type = GL_FLOAT;
  93       cl->Stride = 0;
  94       cl->StrideB = 0;
  95       cl->Ptr = (void *) ctx->Current.Attrib[VERT_ATTRIB_TEX0 + i];
  96       cl->Enabled = 1;
  97       cl->Flags = CA_CLIENT_DATA;       /* hack */
  98    }
  99
 100    cl = &ac->Fallback.EdgeFlag;
 101    cl->Size = 1;
 102    cl->Type = GL_UNSIGNED_BYTE;
 103    cl->Stride = 0;
 104    cl->StrideB = 0;
 105    cl->Ptr = (void *) &ctx->Current.EdgeFlag;
 106    cl->Enabled = 1;
 107    cl->Flags = CA_CLIENT_DATA;  /* hack */
 108 }
 109
 110
 111 static void _ac_cache_init( GLcontext *ctx )
 112 {
 113    ACcontext *ac = AC_CONTEXT(ctx);
 114    struct gl_client_array *cl;
 115    GLuint size = ctx->Const.MaxArrayLockSize + MAX_CLIPPED_VERTICES;
 116    GLuint i;
 117
 118    cl = &ac->Cache.Vertex;
 119    cl->Size = 4;
 120    cl->Type = GL_FLOAT;
 121    cl->Stride = 0;
 122    cl->StrideB = 4 * sizeof(GLfloat);
 123    cl->Ptr = MALLOC( cl->StrideB * size );
 124    cl->Enabled = 1;
 125    cl->Flags = 0;
 126
 127    cl = &ac->Cache.Normal;
 128    cl->Size = 3;
 129    cl->Type = GL_FLOAT;
 130    cl->Stride = 0;
 131    cl->StrideB = 3 * sizeof(GLfloat);
 132    cl->Ptr = MALLOC( cl->StrideB * size );
 133    cl->Enabled = 1;
 134    cl->Flags = 0;
 135
 136    cl = &ac->Cache.Color;
 137    cl->Size = 4;
 138    cl->Type = GL_FLOAT;
 139    cl->Stride = 0;
 140    cl->StrideB = 4 * sizeof(GLfloat);
 141    cl->Ptr = MALLOC( cl->StrideB * size );
 142    cl->Enabled = 1;
 143    cl->Flags = 0;
 144
 145    cl = &ac->Cache.SecondaryColor;
 146    cl->Size = 3;
 147    cl->Type = GL_FLOAT;
 148    cl->Stride = 0;
 149    cl->StrideB = 4 * sizeof(GLfloat);
 150    cl->Ptr = MALLOC( cl->StrideB * size );
 151    cl->Enabled = 1;
 152    cl->Flags = 0;
 153
 154    cl = &ac->Cache.FogCoord;
 155    cl->Size = 1;
 156    cl->Type = GL_FLOAT;
 157    cl->Stride = 0;
 158    cl->StrideB = sizeof(GLfloat);
 159    cl->Ptr = MALLOC( cl->StrideB * size );
 160    cl->Enabled = 1;
 161    cl->Flags = 0;
 162
 163    cl = &ac->Cache.Index;
 164    cl->Size = 1;
 165    cl->Type = GL_UNSIGNED_INT;
 166    cl->Stride = 0;
 167    cl->StrideB = sizeof(GLuint);
 168    cl->Ptr = MALLOC( cl->StrideB * size );
 169    cl->Enabled = 1;
 170    cl->Flags = 0;
 171
 172    for (i = 0 ; i < MAX_TEXTURE_UNITS ; i++) {
 173       cl = &ac->Cache.TexCoord[i];
 174       cl->Size = 4;
 175       cl->Type = GL_FLOAT;
 176       cl->Stride = 0;
 177       cl->StrideB = 4 * sizeof(GLfloat);
 178       cl->Ptr = MALLOC( cl->StrideB * size );
 179       cl->Enabled = 1;
 180       cl->Flags = 0;
 181    }
 182
 183    cl = &ac->Cache.EdgeFlag;
 184    cl->Size = 1;
 185    cl->Type = GL_UNSIGNED_BYTE;
 186    cl->Stride = 0;
 187    cl->StrideB = sizeof(GLubyte);
 188    cl->Ptr = MALLOC( cl->StrideB * size );
 189    cl->Enabled = 1;
 190    cl->Flags = 0;
 191 }
 192
 193
 194 /* This storage used to hold translated client data if type or stride
 195  * need to be fixed.
 196  */
 197 static void _ac_elts_init( GLcontext *ctx )
 198 {
 199    ACcontext *ac = AC_CONTEXT(ctx);
 200    GLuint size = 1000;
 201
 202    ac->Elts = (GLuint *)MALLOC( sizeof(GLuint) * size );
 203    ac->elt_size = size;
 204 }
 205
 206 static void _ac_raw_init( GLcontext *ctx )
 207 {
 208    ACcontext *ac = AC_CONTEXT(ctx);
 209    GLuint i;
 210
 211    ac->Raw.Color = ac->Fallback.Color;
 212    ac->Raw.EdgeFlag = ac->Fallback.EdgeFlag;
 213    ac->Raw.FogCoord = ac->Fallback.FogCoord;
 214    ac->Raw.Index = ac->Fallback.Index;
 215    ac->Raw.Normal = ac->Fallback.Normal;
 216    ac->Raw.SecondaryColor = ac->Fallback.SecondaryColor;
 217    ac->Raw.Vertex = ctx->Array.Vertex;
 218
 219    ac->IsCached.Color = GL_FALSE;
 220    ac->IsCached.EdgeFlag = GL_FALSE;
 221    ac->IsCached.FogCoord = GL_FALSE;
 222    ac->IsCached.Index = GL_FALSE;
 223    ac->IsCached.Normal = GL_FALSE;
 224    ac->IsCached.SecondaryColor = GL_FALSE;
 225    ac->IsCached.Vertex = GL_FALSE;
 226
 227    for (i = 0 ; i < MAX_TEXTURE_UNITS ; i++) {
 228       ac->Raw.TexCoord[i] = ac->Fallback.TexCoord[i];
 229       ac->IsCached.TexCoord[i] = GL_FALSE;
 230    }
 231
 232 }
 233
 234 GLboolean _ac_CreateContext( GLcontext *ctx )
 235 {
 236    ctx->acache_context = CALLOC(sizeof(ACcontext));
 237    if (ctx->acache_context) {
 238       _ac_cache_init( ctx );
 239       _ac_fallbacks_init( ctx );
 240       _ac_raw_init( ctx );
 241       _ac_elts_init( ctx );
 242       return GL_TRUE;
 243    }
 244    return GL_FALSE;
 245 }
 246
 247 void _ac_DestroyContext( GLcontext *ctx )
 248 {
 249    ACcontext *ac = AC_CONTEXT(ctx);
 250    GLint i;
 251
 252    if (ac->Cache.Vertex.Ptr) FREE( ac->Cache.Vertex.Ptr );
 253    if (ac->Cache.Normal.Ptr) FREE( ac->Cache.Normal.Ptr );
 254    if (ac->Cache.Color.Ptr) FREE( ac->Cache.Color.Ptr );
 255    if (ac->Cache.SecondaryColor.Ptr) FREE( ac->Cache.SecondaryColor.Ptr );
 256    if (ac->Cache.EdgeFlag.Ptr) FREE( ac->Cache.EdgeFlag.Ptr );
 257    if (ac->Cache.Index.Ptr) FREE( ac->Cache.Index.Ptr );
 258    if (ac->Cache.FogCoord.Ptr) FREE( ac->Cache.FogCoord.Ptr );
 259
 260    for (i = 0; i < MAX_TEXTURE_UNITS; i++) {
 261       if (ac->Cache.TexCoord[i].Ptr)
 262          FREE( ac->Cache.TexCoord[i].Ptr );
 263    }
 264
 265    if (ac->Elts) FREE( ac->Elts );
 266
 267    /* Free the context structure itself */
 268    FREE(ac);
 269    ctx->acache_context = NULL;
 270 }
 271
 272 void _ac_InvalidateState( GLcontext *ctx, GLuint new_state )
 273 {
 274    AC_CONTEXT(ctx)->NewState |= new_state;
 275    AC_CONTEXT(ctx)->NewArrayState |= ctx->Array.NewState;
 276 }