src/mesa/vbo/vbo_exec.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 "main/api_arrayelt.h"
  30 #include "main/glheader.h"
  31 #include "main/mtypes.h"
  32 #include "main/vtxfmt.h"
  33
  34 #include "vbo_context.h"
  35
  36 void vbo_exec_init( GLcontext *ctx )
  37 {
  38    struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
  39
  40    exec->ctx = ctx;
  41
  42    /* Initialize the arrayelt helper
  43     */
  44    if (!ctx->aelt_context &&
  45        !_ae_create_context( ctx ))
  46       return;
  47
  48    vbo_exec_vtx_init( exec );
  49    vbo_exec_array_init( exec );
  50
  51    /* Hook our functions into exec and compile dispatch tables.
  52     */
  53    _mesa_install_exec_vtxfmt( ctx, &exec->vtxfmt );
  54
  55    ctx->Driver.NeedFlush = 0;
  56    ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END;
  57    ctx->Driver.BeginVertices = vbo_exec_BeginVertices;
  58    ctx->Driver.FlushVertices = vbo_exec_FlushVertices;
  59
  60    vbo_exec_invalidate_state( ctx, ~0 );
  61 }
  62
  63
  64 void vbo_exec_destroy( GLcontext *ctx )
  65 {
  66    struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
  67
  68    if (ctx->aelt_context) {
  69       _ae_destroy_context( ctx );
  70       ctx->aelt_context = NULL;
  71    }
  72
  73    vbo_exec_vtx_destroy( exec );
  74    vbo_exec_array_destroy( exec );
  75 }
  76
  77 /* Really want to install these callbacks to a central facility to be
  78  * invoked according to the state flags.  That will have to wait for a
  79  * mesa rework:
  80  */
  81 void vbo_exec_invalidate_state( GLcontext *ctx, GLuint new_state )
  82 {
  83    struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
  84
  85    if (new_state & (_NEW_PROGRAM|_NEW_EVAL))
  86       exec->eval.recalculate_maps = 1;
  87
  88    _ae_invalidate_state(ctx, new_state);
  89 }
  90
  91
  92
  93
  94