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  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 "main/api_arrayelt.h"
  30. #include "main/glheader.h"
  31. #include "main/mtypes.h"
  32. #include "main/vtxfmt.h"
  33. #include "vbo_context.h"
  34.  
  35.  
  36.  
  37. void vbo_exec_init( struct gl_context *ctx )
  38. {
  39.    struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
  40.  
  41.    exec->ctx = ctx;
  42.  
  43.    /* Initialize the arrayelt helper
  44.     */
  45.    if (!ctx->aelt_context &&
  46.        !_ae_create_context( ctx ))
  47.       return;
  48.  
  49.    vbo_exec_vtx_init( exec );
  50.    vbo_exec_array_init( exec );
  51.  
  52.    /* Hook our functions into exec and compile dispatch tables.
  53.     */
  54.    _mesa_install_exec_vtxfmt( ctx, &exec->vtxfmt );
  55.  
  56.    ctx->Driver.NeedFlush = 0;
  57.    ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END;
  58.    ctx->Driver.BeginVertices = vbo_exec_BeginVertices;
  59.    ctx->Driver.FlushVertices = vbo_exec_FlushVertices;
  60.  
  61.    vbo_exec_invalidate_state( ctx, ~0 );
  62. }
  63.  
  64.  
  65. void vbo_exec_destroy( struct gl_context *ctx )
  66. {
  67.    struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
  68.  
  69.    if (ctx->aelt_context) {
  70.       _ae_destroy_context( ctx );
  71.       ctx->aelt_context = NULL;
  72.    }
  73.  
  74.    vbo_exec_vtx_destroy( exec );
  75.    vbo_exec_array_destroy( exec );
  76. }
  77.  
  78.  
  79. /**
  80.  * Really want to install these callbacks to a central facility to be
  81.  * invoked according to the state flags.  That will have to wait for a
  82.  * mesa rework:
  83.  */
  84. void vbo_exec_invalidate_state( struct gl_context *ctx, GLuint new_state )
  85. {
  86.    struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
  87.  
  88.    if (new_state & (_NEW_PROGRAM|_NEW_EVAL))
  89.       exec->eval.recalculate_maps = 1;
  90.  
  91.    _ae_invalidate_state(ctx, new_state);
  92. }
  93.