workbench/libs/mesa/mesa3dgl_glasetrast.c

   1 /*
   2     Copyright © 2011-2019, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #include <aros/debug.h>
   7
   8 #include <proto/exec.h>
   9 #include <proto/utility.h>
  10 #include <proto/graphics.h>
  11
  12 #include "mesa3dgl_support.h"
  13 #include "mesa3dgl_gallium.h"
  14
  15 /*****************************************************************************
  16
  17     NAME */
  18
  19       void glASetRast(
  20
  21 /*  SYNOPSIS */
  22       GLAContext ctx,
  23       struct TagItem * tagList)
  24
  25 /*  FUNCTION
  26
  27         Sets a new rendering target for an existing context
  28
  29     INPUTS
  30
  31         ctx -
  32         tagList - a pointer to tags to be used during creation.
  33
  34     TAGS
  35
  36         GLA_Window - pointer to Window onto which scene is to be rendered. Must
  37                      be provided.
  38
  39     RESULT
  40
  41         None
  42
  43     BUGS
  44
  45     INTERNALS
  46
  47     HISTORY
  48
  49 *****************************************************************************/
  50 {
  51     struct mesa3dgl_context * _ctx = (struct mesa3dgl_context *)ctx;
  52
  53     D(bug("[MESA3DGL] %s()\n", __func__));
  54
  55     if (_ctx)
  56     {
  57         /* Check if at least one of window, rastport or screen have been passed */
  58         if ((GetTagData(GLA_Screen, 0, tagList) != 0) ||
  59             (GetTagData(GLA_Window, 0, tagList) != 0) ||
  60             (GetTagData(GLA_RastPort, 0, tagList) != 0))
  61         {
  62             /* If there already is visible_rp, free it */
  63             if (_ctx->visible_rp)
  64                 FreeRastPort(_ctx->visible_rp);
  65             /* Do standard rast port selection */
  66             MESA3DGLSelectRastPort(_ctx, tagList);
  67
  68             /* Do standard initialization */
  69             MESA3DGLStandardInit(_ctx, tagList);
  70
  71             /* TODO: what to do with visual and framebuffer, if BPP changes, we are in trouble */
  72
  73             /* After the new render target has been attached, invoke framebuffer recalculation */
  74             MESA3DGLCheckAndUpdateBufferSize(_ctx);
  75         }
  76     }
  77 }