workbench/libs/mesa/mesa3dgl_glamakecurrent.c

   1 /*
   2     Copyright © 2009-2019, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #include <aros/debug.h>
   7
   8 #include <proto/exec.h>
   9
  10 #include "mesa3dgl_types.h"
  11 #include "mesa3dgl_support.h"
  12
  13 /*****************************************************************************
  14
  15     NAME */
  16
  17       void glAMakeCurrent(
  18
  19 /*  SYNOPSIS */
  20       GLAContext ctx)
  21
  22 /*  FUNCTION
  23         Make the selected GL rendering context active.
  24
  25     INPUTS
  26         ctx - GL rendering context to be made active for all following GL
  27                 calls.
  28
  29     RESULT
  30
  31     BUGS
  32
  33     INTERNALS
  34
  35     HISTORY
  36
  37 *****************************************************************************/
  38 {
  39     struct mesa3dgl_context *_ctx = (struct mesa3dgl_context *)ctx;
  40
  41     D(bug("[MESA3DGL] %s()\n", __func__));
  42
  43     if (_ctx)
  44     {
  45         struct st_context_iface * cur_ctx = glstapi->get_current(glstapi);
  46
  47         if (_ctx->st != cur_ctx)
  48         {
  49             /* Recalculate buffer dimensions */
  50             MESA3DGLRecalculateBufferWidthHeight(_ctx);
  51
  52             D(bug("[MESA3DGL] %s: calling glstapi @ 0x%p -> make_current @ 0x%p\n", __func__, glstapi, glstapi->make_current));
  53             D(bug("[MESA3DGL] %s: _ctx->framebuffer @ 0x%p base @ 0x%p\n", __func__, _ctx->framebuffer, &_ctx->framebuffer->base));
  54             /* Attach */
  55             glstapi->make_current(glstapi, _ctx->st,
  56                 &_ctx->framebuffer->base, &_ctx->framebuffer->base);
  57         }
  58     }
  59     else
  60     {
  61         /* Detach */
  62         glstapi->make_current(glstapi, NULL, NULL, NULL);
  63     }
  64     D(bug("[MESA3DGL] %s: done\n", __func__));
  65 }