src/mesa/vbo/vbo_context.c

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  6.3
   4  *
   5  * Copyright (C) 1999-2005  Brian Paul   All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors:
  25  *    Keith Whitwell <keith@tungstengraphics.com>
  26  */
  27
  28 #include "mtypes.h"
  29 #include "vbo_context.h"
  30 #include "imports.h"
  31 #include "api_arrayelt.h"
  32
  33 /* Reach out and grab this to use as the default:
  34  */
  35 extern void _tnl_draw_prims( GLcontext *ctx,
  36                              const struct gl_client_array *arrays[],
  37                              const struct _mesa_prim *prims,
  38                              GLuint nr_prims,
  39                              const struct _mesa_index_buffer *ib,
  40                              GLuint min_index,
  41                              GLuint max_index );
  42
  43 GLboolean _vbo_CreateContext( GLcontext *ctx )
  44 {
  45    struct vbo_context *vbo = CALLOC_STRUCT(vbo_context);
  46
  47    ctx->swtnl_im = (void *)vbo;
  48
  49    /* Initialize the arrayelt helper
  50     */
  51    if (!ctx->aelt_context &&
  52        !_ae_create_context( ctx )) {
  53       return GL_FALSE;
  54    }
  55
  56    /* Hook our functions into exec and compile dispatch tables.  These
  57     * will pretty much be permanently installed, which means that the
  58     * vtxfmt mechanism can be removed now.
  59     */
  60    vbo_exec_init( ctx );
  61    vbo_save_init( ctx );
  62
  63    /* By default:
  64     */
  65    vbo->draw_prims = _tnl_draw_prims;
  66
  67    return GL_TRUE;
  68 }
  69
  70 void vbo_save_invalidate_state( GLcontext *ctx, GLuint new_state )
  71 {
  72    _ae_invalidate_state(ctx, new_state);
  73 }
  74
  75
  76 void _vbo_DestroyContext( GLcontext *ctx )
  77 {
  78    if (ctx->aelt_context) {
  79       _ae_destroy_context( ctx );
  80       ctx->aelt_context = NULL;
  81    }
  82
  83    FREE(vbo_context(ctx));
  84    ctx->swtnl_im = NULL;
  85
  86 }