src/mesa/vbo/vbo_save.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
  29 #include "mtypes.h"
  30 #include "dlist.h"
  31 #include "vtxfmt.h"
  32 #include "imports.h"
  33
  34 #include "vbo_context.h"
  35
  36
  37
  38 void vbo_save_init( GLcontext *ctx )
  39 {
  40    struct vbo_save_context *save = &vbo_context(ctx)->save;
  41
  42    save->ctx = ctx;
  43
  44    vbo_save_api_init( save );
  45    vbo_save_wakeup(ctx);
  46
  47    ctx->Driver.CurrentSavePrimitive = PRIM_UNKNOWN;
  48 }
  49
  50
  51 void vbo_save_destroy( GLcontext *ctx )
  52 {
  53 }
  54
  55
  56
  57
  58 /* Note that this can occur during the playback of a display list:
  59  */
  60 void vbo_save_fallback( GLcontext *ctx, GLboolean fallback )
  61 {
  62    struct vbo_save_context *save = &vbo_context(ctx)->save;
  63
  64    if (fallback)
  65       save->replay_flags |= VBO_SAVE_FALLBACK;
  66    else
  67       save->replay_flags &= ~VBO_SAVE_FALLBACK;
  68 }
  69
  70
  71 /* I don't see any reason to swap this code out on fallbacks.  It
  72  * wouldn't really mean anything to do so anyway as the old lists are
  73  * still around from pre-fallback.  Instead, the above code ensures
  74  * that vertices are routed back through immediate mode dispatch on
  75  * fallback.
  76  *
  77  * The below can be moved into init or removed:
  78  */
  79 void vbo_save_wakeup( GLcontext *ctx )
  80 {
  81    ctx->Driver.NewList = vbo_save_NewList;
  82    ctx->Driver.EndList = vbo_save_EndList;
  83    ctx->Driver.SaveFlushVertices = vbo_save_SaveFlushVertices;
  84    ctx->Driver.BeginCallList = vbo_save_BeginCallList;
  85    ctx->Driver.EndCallList = vbo_save_EndCallList;
  86    ctx->Driver.NotifySaveBegin = vbo_save_NotifyBegin;
  87
  88    /* Assume we haven't been getting state updates either:
  89     */
  90    vbo_save_invalidate_state( ctx, ~0 );
  91 }
  92
  93
  94