src/mesa/array_cache/ac_context.c

   1 /* $Id: ac_context.c,v 1.11 2003/03/01 01:50:24 brianp Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  5.1
   6  *
   7  * Copyright (C) 1999-2002  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 <keith@tungstengraphics.com>
  28  */
  29
  30 #include "glheader.h"
  31 #include "macros.h"
  32 #include "imports.h"
  33 #include "mtypes.h"
  34
  35 #include "array_cache/ac_context.h"
  36
  37
  38 /*
  39  * Initialize the array fallbacks.  That is, by default the fallback arrays
  40  * point into the current vertex attribute values in ctx->Current.Attrib[]
  41  */
  42 static void _ac_fallbacks_init( GLcontext *ctx )
  43 {
  44    ACcontext *ac = AC_CONTEXT(ctx);
  45    struct gl_client_array *cl;
  46    GLuint i;
  47
  48    cl = &ac->Fallback.Normal;
  49    cl->Size = 3;
  50    cl->Type = GL_FLOAT;
  51    cl->Stride = 0;
  52    cl->StrideB = 0;
  53    cl->Ptr = (void *) ctx->Current.Attrib[VERT_ATTRIB_NORMAL];
  54    cl->Enabled = 1;
  55    cl->Flags = CA_CLIENT_DATA;  /* hack */
  56
  57    cl = &ac->Fallback.Color;
  58    cl->Size = 4;
  59    cl->Type = GL_FLOAT;
  60    cl->Stride = 0;
  61    cl->StrideB = 0;
  62    cl->Ptr = (void *) ctx->Current.Attrib[VERT_ATTRIB_COLOR0];
  63    cl->Enabled = 1;
  64    cl->Flags = CA_CLIENT_DATA;  /* hack */
  65
  66    cl = &ac->Fallback.SecondaryColor;
  67    cl->Size = 3;
  68    cl->Type = GL_FLOAT;
  69    cl->Stride = 0;
  70    cl->StrideB = 0;
  71    cl->Ptr = (void *) ctx->Current.Attrib[VERT_ATTRIB_COLOR1];
  72    cl->Enabled = 1;
  73    cl->Flags = CA_CLIENT_DATA;  /* hack */
  74
  75    cl = &ac->Fallback.FogCoord;
  76    cl->Size = 1;
  77    cl->Type = GL_FLOAT;
  78    cl->Stride = 0;
  79    cl->StrideB = 0;
  80    cl->Ptr = (void *) &ctx->Current.Attrib[VERT_ATTRIB_FOG];
  81    cl->Enabled = 1;
  82    cl->Flags = CA_CLIENT_DATA;  /* hack */
  83
  84    cl = &ac->Fallback.Index;
  85    cl->Size = 1;
  86    cl->Type = GL_UNSIGNED_INT;
  87    cl->Stride = 0;
  88    cl->StrideB = 0;
  89    cl->Ptr = (void *) &ctx->Current.Index;
  90    cl->Enabled = 1;
  91    cl->Flags = CA_CLIENT_DATA;  /* hack */
  92
  93    for (i = 0 ; i < MAX_TEXTURE_COORD_UNITS ; i++) {
  94       cl = &ac->Fallback.TexCoord[i];
  95       cl->Size = 4;
  96       cl->Type = GL_FLOAT;
  97       cl->Stride = 0;
  98       cl->StrideB = 0;
  99       cl->Ptr = (void *) ctx->Current.Attrib[VERT_ATTRIB_TEX0 + i];
 100       cl->Enabled = 1;
 101       cl->Flags = CA_CLIENT_DATA;       /* hack */
 102    }
 103
 104    cl = &ac->Fallback.EdgeFlag;
 105    cl->Size = 1;
 106    cl->Type = GL_UNSIGNED_BYTE;
 107    cl->Stride = 0;
 108    cl->StrideB = 0;
 109    cl->Ptr = (void *) &ctx->Current.EdgeFlag;
 110    cl->Enabled = 1;
 111    cl->Flags = CA_CLIENT_DATA;  /* hack */
 112
 113    for (i = 0; i < VERT_ATTRIB_MAX; i++) {
 114       cl = &ac->Fallback.Attrib[i];
 115       cl->Size = 4;
 116       cl->Type = GL_FLOAT;
 117       cl->Stride = 0;
 118       cl->StrideB = 0;
 119       cl->Ptr = (void *) ctx->Current.Attrib[i];
 120       cl->Enabled = 1;
 121       cl->Flags = CA_CLIENT_DATA; /* hack */
 122    }
 123 }
 124
 125
 126 /*
 127  * Initialize the array cache pointers, types, strides, etc.
 128  */
 129 static void _ac_cache_init( GLcontext *ctx )
 130 {
 131    ACcontext *ac = AC_CONTEXT(ctx);
 132    struct gl_client_array *cl;
 133    GLuint size = ctx->Const.MaxArrayLockSize + MAX_CLIPPED_VERTICES;
 134    GLuint i;
 135
 136    cl = &ac->Cache.Vertex;
 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.Normal;
 146    cl->Size = 3;
 147    cl->Type = GL_FLOAT;
 148    cl->Stride = 0;
 149    cl->StrideB = 3 * sizeof(GLfloat);
 150    cl->Ptr = MALLOC( cl->StrideB * size );
 151    cl->Enabled = 1;
 152    cl->Flags = 0;
 153
 154    cl = &ac->Cache.Color;
 155    cl->Size = 4;
 156    cl->Type = GL_FLOAT;
 157    cl->Stride = 0;
 158    cl->StrideB = 4 * sizeof(GLfloat);
 159    cl->Ptr = MALLOC( cl->StrideB * size );
 160    cl->Enabled = 1;
 161    cl->Flags = 0;
 162
 163    cl = &ac->Cache.SecondaryColor;
 164    cl->Size = 3;
 165    cl->Type = GL_FLOAT;
 166    cl->Stride = 0;
 167    cl->StrideB = 4 * sizeof(GLfloat);
 168    cl->Ptr = MALLOC( cl->StrideB * size );
 169    cl->Enabled = 1;
 170    cl->Flags = 0;
 171
 172    cl = &ac->Cache.FogCoord;
 173    cl->Size = 1;
 174    cl->Type = GL_FLOAT;
 175    cl->Stride = 0;
 176    cl->StrideB = sizeof(GLfloat);
 177    cl->Ptr = MALLOC( cl->StrideB * size );
 178    cl->Enabled = 1;
 179    cl->Flags = 0;
 180
 181    cl = &ac->Cache.Index;
 182    cl->Size = 1;
 183    cl->Type = GL_UNSIGNED_INT;
 184    cl->Stride = 0;
 185    cl->StrideB = sizeof(GLuint);
 186    cl->Ptr = MALLOC( cl->StrideB * size );
 187    cl->Enabled = 1;
 188    cl->Flags = 0;
 189
 190    for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) {
 191       cl = &ac->Cache.TexCoord[i];
 192       cl->Size = 4;
 193       cl->Type = GL_FLOAT;
 194       cl->Stride = 0;
 195       cl->StrideB = 4 * sizeof(GLfloat);
 196       cl->Ptr = MALLOC( cl->StrideB * size );
 197       cl->Enabled = 1;
 198       cl->Flags = 0;
 199    }
 200
 201    cl = &ac->Cache.EdgeFlag;
 202    cl->Size = 1;
 203    cl->Type = GL_UNSIGNED_BYTE;
 204    cl->Stride = 0;
 205    cl->StrideB = sizeof(GLubyte);
 206    cl->Ptr = MALLOC( cl->StrideB * size );
 207    cl->Enabled = 1;
 208    cl->Flags = 0;
 209
 210    for (i = 0 ; i < VERT_ATTRIB_MAX; i++) {
 211       cl = &ac->Cache.Attrib[i];
 212       cl->Size = 4;
 213       cl->Type = GL_FLOAT;
 214       cl->Stride = 0;
 215       cl->StrideB = 4 * sizeof(GLfloat);
 216       cl->Ptr = MALLOC( cl->StrideB * size );
 217       cl->Enabled = 1;
 218       cl->Flags = 0;
 219    }
 220 }
 221
 222
 223 /* This storage used to hold translated client data if type or stride
 224  * need to be fixed.
 225  */
 226 static void _ac_elts_init( GLcontext *ctx )
 227 {
 228    ACcontext *ac = AC_CONTEXT(ctx);
 229    GLuint size = 1000;
 230
 231    ac->Elts = (GLuint *)MALLOC( sizeof(GLuint) * size );
 232    ac->elt_size = size;
 233 }
 234
 235 static void _ac_raw_init( GLcontext *ctx )
 236 {
 237    ACcontext *ac = AC_CONTEXT(ctx);
 238    GLuint i;
 239
 240    ac->Raw.Color = ac->Fallback.Color;
 241    ac->Raw.EdgeFlag = ac->Fallback.EdgeFlag;
 242    ac->Raw.FogCoord = ac->Fallback.FogCoord;
 243    ac->Raw.Index = ac->Fallback.Index;
 244    ac->Raw.Normal = ac->Fallback.Normal;
 245    ac->Raw.SecondaryColor = ac->Fallback.SecondaryColor;
 246    ac->Raw.Vertex = ctx->Array.Vertex;
 247
 248    ac->IsCached.Color = GL_FALSE;
 249    ac->IsCached.EdgeFlag = GL_FALSE;
 250    ac->IsCached.FogCoord = GL_FALSE;
 251    ac->IsCached.Index = GL_FALSE;
 252    ac->IsCached.Normal = GL_FALSE;
 253    ac->IsCached.SecondaryColor = GL_FALSE;
 254    ac->IsCached.Vertex = GL_FALSE;
 255
 256    for (i = 0 ; i < MAX_TEXTURE_COORD_UNITS ; i++) {
 257       ac->Raw.TexCoord[i] = ac->Fallback.TexCoord[i];
 258       ac->IsCached.TexCoord[i] = GL_FALSE;
 259    }
 260
 261    for (i = 0 ; i < VERT_ATTRIB_MAX ; i++) {
 262       ac->Raw.Attrib[i] = ac->Fallback.Attrib[i];
 263       ac->IsCached.Attrib[i] = GL_FALSE;
 264    }
 265 }
 266
 267 GLboolean _ac_CreateContext( GLcontext *ctx )
 268 {
 269    ctx->acache_context = CALLOC(sizeof(ACcontext));
 270    if (ctx->acache_context) {
 271       _ac_cache_init( ctx );
 272       _ac_fallbacks_init( ctx );
 273       _ac_raw_init( ctx );
 274       _ac_elts_init( ctx );
 275       return GL_TRUE;
 276    }
 277    return GL_FALSE;
 278 }
 279
 280 void _ac_DestroyContext( GLcontext *ctx )
 281 {
 282    ACcontext *ac = AC_CONTEXT(ctx);
 283    GLint i;
 284
 285    if (ac->Cache.Vertex.Ptr) FREE( ac->Cache.Vertex.Ptr );
 286    if (ac->Cache.Normal.Ptr) FREE( ac->Cache.Normal.Ptr );
 287    if (ac->Cache.Color.Ptr) FREE( ac->Cache.Color.Ptr );
 288    if (ac->Cache.SecondaryColor.Ptr) FREE( ac->Cache.SecondaryColor.Ptr );
 289    if (ac->Cache.EdgeFlag.Ptr) FREE( ac->Cache.EdgeFlag.Ptr );
 290    if (ac->Cache.Index.Ptr) FREE( ac->Cache.Index.Ptr );
 291    if (ac->Cache.FogCoord.Ptr) FREE( ac->Cache.FogCoord.Ptr );
 292
 293    for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) {
 294       if (ac->Cache.TexCoord[i].Ptr)
 295          FREE( ac->Cache.TexCoord[i].Ptr );
 296    }
 297
 298    for (i = 0; i < VERT_ATTRIB_MAX; i++) {
 299       if (ac->Cache.Attrib[i].Ptr)
 300          FREE( ac->Cache.Attrib[i].Ptr );
 301    }
 302
 303    if (ac->Elts) FREE( ac->Elts );
 304
 305    /* Free the context structure itself */
 306    FREE(ac);
 307    ctx->acache_context = NULL;
 308 }
 309
 310 void _ac_InvalidateState( GLcontext *ctx, GLuint new_state )
 311 {
 312    AC_CONTEXT(ctx)->NewState |= new_state;
 313    AC_CONTEXT(ctx)->NewArrayState |= ctx->Array.NewState;
 314 }