workbench/libs/mesa/src/gallium/state_trackers/arosmesa/arosmesasetrast.c

   1 /*
   2     Copyright 2011-2014, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #include "arosmesa_funcs.h"
   7 #include "arosmesa_funcs_gallium.h"
   8 #include <proto/exec.h>
   9 #include <proto/utility.h>
  10 #include <proto/graphics.h>
  11 #include <aros/debug.h>
  12
  13 void AROSMesaSetRast(AROSMesaContext amesa, struct TagItem * tagList);
  14
  15 /*****************************************************************************
  16
  17     NAME */
  18
  19       AROS_LH2(void, AROSMesaSetRast,
  20
  21 /*  SYNOPSIS */
  22       AROS_LHA(AROSMesaContext, amesa, A0),
  23       AROS_LHA(struct TagItem *, tagList, A1),
  24
  25 /*  LOCATION */
  26       struct Library *, MesaBase, 12, Mesa)
  27
  28 /*  FUNCTION
  29
  30         Sets a new rendering target for an existing context
  31
  32     INPUTS
  33
  34         tagList - a pointer to tags to be used during creation.
  35
  36     TAGS
  37
  38         AMA_Window - pointer to Window onto which scene is to be rendered. Must
  39                      be provided.
  40
  41     RESULT
  42
  43         None
  44
  45     BUGS
  46
  47     INTERNALS
  48
  49     HISTORY
  50
  51 *****************************************************************************/
  52 {
  53     AROS_LIBFUNC_INIT
  54
  55     AROSMesaSetRast(amesa, tagList);
  56
  57     AROS_LIBFUNC_EXIT
  58 }
  59
  60 void AROSMesaSetRast(AROSMesaContext amesa, struct TagItem * tagList)
  61 {
  62     if (amesa)
  63     {
  64         /* Check if at least one of window, rastport or screen have been passed */
  65         if ((GetTagData(AMA_Screen, 0, tagList) != 0) ||
  66             (GetTagData(AMA_Window, 0, tagList) != 0) ||
  67             (GetTagData(AMA_RastPort, 0, tagList) != 0))
  68         {
  69             /* If there already is visible_rp, free it */
  70             if (amesa->visible_rp)
  71                 FreeRastPort(amesa->visible_rp);
  72             /* Do standard rast port selection */
  73             AROSMesaSelectRastPort(amesa, tagList);
  74
  75             /* Do standard initialization */
  76             AROSMesaStandardInit(amesa, tagList);
  77
  78             /* TODO: what to do with visual and framebuffer, if BPP changes, we are in trouble */
  79
  80             /* After the new render target has been attached, invoke framebuffer recalculation */
  81             AROSMesaCheckAndUpdateBufferSize(amesa);
  82         }
  83     }
  84 }