workbench/libs/mesa/src/aros/arosmesa/mesa3dgl_glamakecurrent.c

   1 /*
   2     Copyright 2009-2015, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #include <proto/exec.h>
   7
   8 #include "mesa3dgl_types.h"
   9 #include "mesa3dgl_funcs.h"
  10
  11 /*****************************************************************************
  12
  13     NAME */
  14
  15       void glAMakeCurrent(
  16
  17 /*  SYNOPSIS */
  18       GLAContext ctx)
  19
  20 /*  FUNCTION
  21         Make the selected GL rendering context active.
  22
  23     INPUTS
  24         ctx - GL rendering context to be made active for all following GL
  25                 calls.
  26
  27     RESULT
  28
  29     BUGS
  30
  31     INTERNALS
  32
  33     HISTORY
  34
  35 *****************************************************************************/
  36 {
  37     struct mesa3dgl_context *_ctx = (struct mesa3dgl_context *)ctx;
  38
  39     if (_ctx)
  40     {
  41         struct st_context_iface * cur_ctx = glstapi->get_current(glstapi);
  42
  43         if (_ctx->st != cur_ctx)
  44         {
  45             /* Recalculate buffer dimensions */
  46             MESA3DGLRecalculateBufferWidthHeight(_ctx);
  47
  48             /* Attach */
  49             glstapi->make_current(glstapi, _ctx->st,
  50                 &_ctx->framebuffer->base, &_ctx->framebuffer->base);
  51         }
  52     }
  53     else
  54     {
  55         /* Detach */
  56         glstapi->make_current(glstapi, NULL, NULL, NULL);
  57     }
  58 }