workbench/libs/mesa/src/aros/mesa3dgl/mesa3dgl_glasetrast.c

   1 /*
   2     Copyright 2011-2015, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #define DEBUG 0
   7 #include <aros/debug.h>
   8
   9 #include <proto/exec.h>
  10 #include <proto/utility.h>
  11 #include <proto/graphics.h>
  12
  13 #include "mesa3dgl_support.h"
  14 #include "mesa3dgl_gallium.h"
  15
  16 /*****************************************************************************
  17
  18     NAME */
  19
  20       void glASetRast(
  21
  22 /*  SYNOPSIS */
  23       GLAContext ctx,
  24       struct TagItem * tagList)
  25
  26 /*  FUNCTION
  27
  28         Sets a new rendering target for an existing context
  29
  30     INPUTS
  31
  32         ctx -
  33         tagList - a pointer to tags to be used during creation.
  34
  35     TAGS
  36
  37         GLA_Window - pointer to Window onto which scene is to be rendered. Must
  38                      be provided.
  39
  40     RESULT
  41
  42         None
  43
  44     BUGS
  45
  46     INTERNALS
  47
  48     HISTORY
  49
  50 *****************************************************************************/
  51 {
  52     struct mesa3dgl_context * _ctx = (struct mesa3dgl_context *)ctx;
  53
  54     if (_ctx)
  55     {
  56         /* Check if at least one of window, rastport or screen have been passed */
  57         if ((GetTagData(GLA_Screen, 0, tagList) != 0) ||
  58             (GetTagData(GLA_Window, 0, tagList) != 0) ||
  59             (GetTagData(GLA_RastPort, 0, tagList) != 0))
  60         {
  61             /* If there already is visible_rp, free it */
  62             if (_ctx->visible_rp)
  63                 FreeRastPort(_ctx->visible_rp);
  64             /* Do standard rast port selection */
  65             MESA3DGLSelectRastPort(_ctx, tagList);
  66
  67             /* Do standard initialization */
  68             MESA3DGLStandardInit(_ctx, tagList);
  69
  70             /* TODO: what to do with visual and framebuffer, if BPP changes, we are in trouble */
  71
  72             /* After the new render target has been attached, invoke framebuffer recalculation */
  73             MESA3DGLCheckAndUpdateBufferSize(_ctx);
  74         }
  75     }
  76 }