workbench/libs/mesa/mesa3dgl_gladestroycontext.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 #include <proto/gallium.h>
  10
  11 #include "mesa3dgl_support.h"
  12 #include "mesa3dgl_gallium.h"
  13
  14 /*****************************************************************************
  15
  16     NAME */
  17
  18       void glADestroyContext(
  19
  20 /*  SYNOPSIS */
  21       GLAContext ctx)
  22
  23 /*  FUNCTION
  24         Destroys the GL rendering context and frees all resoureces.
  25
  26     INPUTS
  27         ctx - pointer to GL rendering context. A NULL pointer will be
  28                 ignored.
  29
  30     RESULT
  31         The GL context is destroyed. Do no use it anymore.
  32
  33     BUGS
  34
  35     INTERNALS
  36
  37     HISTORY
  38
  39 *****************************************************************************/
  40 {
  41     struct mesa3dgl_context * _ctx = (struct mesa3dgl_context *)ctx;
  42
  43     /* Destroy a MESA3DGL context */
  44     D(bug("[MESA3DGL] %s(ctx @ %x)\n", __func__, ctx));
  45
  46     if (_ctx)
  47     {
  48         struct st_context_iface * st_ctx = _ctx->st;
  49
  50         if (st_ctx)
  51         {
  52             struct st_context_iface * cur_ctx = glstapi->get_current(glstapi);
  53
  54             if (cur_ctx == st_ctx)
  55             {
  56                 /* Unbind if current */
  57                 _ctx->st->flush(_ctx->st, 0, NULL);
  58                 glstapi->make_current(glstapi, NULL, NULL, NULL);
  59             }
  60
  61             _ctx->st->destroy(_ctx->st);
  62             MESA3DGLFreeFrameBuffer(_ctx->framebuffer);
  63             MESA3DGLFreeStManager(_ctx->driver, _ctx->stmanager);
  64             glstapi->destroy(glstapi);
  65             MESA3DGLFreeContext(_ctx);
  66         }
  67     }
  68 }