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 "api_arrayelt.h"
  30 #include "glheader.h"
  31 #include "imports.h"
  32 #include "context.h"
  33 #include "macros.h"
  34 #include "mtypes.h"
  35 #include "dlist.h"
  36 #include "vtxfmt.h"
  37
  38 #include "vbo_context.h"
  39
  40
  41
  42 void vbo_exec_init( GLcontext *ctx )
  43 {
  44    struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
  45
  46    exec->ctx = ctx;
  47
  48    /* Initialize the arrayelt helper
  49     */
  50    if (!ctx->aelt_context &&
  51        !_ae_create_context( ctx ))
  52       return;
  53
  54    vbo_exec_vtx_init( exec );
  55    vbo_exec_array_init( exec );
  56
  57    ctx->Driver.NeedFlush = 0;
  58    ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END;
  59    ctx->Driver.FlushVertices = vbo_exec_FlushVertices;
  60
  61    exec->eval.recalculate_maps = 1;
  62 }
  63
  64
  65 void vbo_exec_destroy( GLcontext *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 /* Really want to install these callbacks to a central facility to be
  79  * invoked according to the state flags.  That will have to wait for a
  80  * mesa rework:
  81  */
  82 void vbo_exec_invalidate_state( GLcontext *ctx, GLuint new_state )
  83 {
  84    struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
  85
  86    if (new_state & (_NEW_PROGRAM|_NEW_EVAL))
  87       exec->eval.recalculate_maps = 1;
  88
  89    _ae_invalidate_state(ctx, new_state);
  90 }
  91
  92
  93 void vbo_exec_wakeup( GLcontext *ctx )
  94 {
  95    struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
  96
  97    ctx->Driver.FlushVertices = vbo_exec_FlushVertices;
  98    ctx->Driver.NeedFlush |= FLUSH_UPDATE_CURRENT;
  99
 100    /* Hook our functions into exec and compile dispatch tables.
 101     */
 102    _mesa_install_exec_vtxfmt( ctx, &exec->vtxfmt );
 103
 104    /* Assume we haven't been getting state updates either:
 105     */
 106    vbo_exec_invalidate_state( ctx, ~0 );
 107 }
 108
 109
 110