workbench/libs/mesa/src/aros/mesa3dgl/mesa3dgl_gladestroycontext.c

   1 /*
   2     Copyright 2009-2015, 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/gallium.h>
  11
  12 #include "mesa3dgl_support.h"
  13 #include "mesa3dgl_gallium.h"
  14
  15 /*****************************************************************************
  16
  17     NAME */
  18
  19       void glADestroyContext(
  20
  21 /*  SYNOPSIS */
  22       GLAContext ctx)
  23
  24 /*  FUNCTION
  25         Destroys the GL rendering context and frees all resoureces.
  26
  27     INPUTS
  28         ctx - pointer to GL rendering context. A NULL pointer will be
  29                 ignored.
  30
  31     RESULT
  32         The GL context is destroyed. Do no use it anymore.
  33
  34     BUGS
  35
  36     INTERNALS
  37
  38     HISTORY
  39
  40 *****************************************************************************/
  41 {
  42     struct mesa3dgl_context * _ctx = (struct mesa3dgl_context *)ctx;
  43
  44     /* Destroy a MESA3DGL context */
  45     D(bug("[MESA3DGL] %s(ctx @ %x)\n", __PRETTY_FUNCTION__, ctx));
  46
  47     if (_ctx)
  48     {
  49         struct st_context_iface * st_ctx = _ctx->st;
  50
  51         if (st_ctx)
  52         {
  53             struct st_context_iface * cur_ctx = glstapi->get_current(glstapi);
  54
  55             if (cur_ctx == st_ctx)
  56             {
  57                 /* Unbind if current */
  58                 _ctx->st->flush(_ctx->st, 0, NULL);
  59                 glstapi->make_current(glstapi, NULL, NULL, NULL);
  60             }
  61
  62             _ctx->st->destroy(_ctx->st);
  63             MESA3DGLFreeFrameBuffer(_ctx->framebuffer);
  64             MESA3DGLFreeStManager(_ctx->stmanager);
  65             glstapi->destroy(glstapi);
  66             MESA3DGLFreeContext(_ctx);
  67         }
  68     }
  69 }