src/gallium/state_trackers/dri/common/dri_drawable.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2009, VMware, Inc.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
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   9  * without limitation the rights to use, copy, modify, merge, publish,
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  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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  25  *
  26  **************************************************************************/
  27 /*
  28  * Author: Keith Whitwell <keithw@vmware.com>
  29  * Author: Jakob Bornecrantz <wallbraker@gmail.com>
  30  */
  31
  32 #include "dri_screen.h"
  33 #include "dri_context.h"
  34 #include "dri_drawable.h"
  35 #include "dri_st_api.h"
  36 #include "dri1_helper.h"
  37
  38 #include "pipe/p_screen.h"
  39 #include "util/u_format.h"
  40 #include "util/u_memory.h"
  41
  42 /**
  43  * This is called when we need to set up GL rendering to a new X window.
  44  */
  45 boolean
  46 dri_create_buffer(__DRIscreen * sPriv,
  47                   __DRIdrawable * dPriv,
  48                   const __GLcontextModes * visual, boolean isPixmap)
  49 {
  50    struct dri_screen *screen = sPriv->private;
  51    struct dri_drawable *drawable = NULL;
  52
  53    if (isPixmap)
  54       goto fail;                       /* not implemented */
  55
  56    drawable = CALLOC_STRUCT(dri_drawable);
  57    if (drawable == NULL)
  58       goto fail;
  59
  60    dri_fill_st_visual(&drawable->stvis, screen, visual);
  61    drawable->stfb = dri_create_st_framebuffer(drawable);
  62    if (drawable->stfb == NULL)
  63       goto fail;
  64
  65    drawable->sPriv = sPriv;
  66    drawable->dPriv = dPriv;
  67    dPriv->driverPrivate = (void *)drawable;
  68
  69    drawable->desired_fences = 2;
  70
  71    return GL_TRUE;
  72 fail:
  73    FREE(drawable);
  74    return GL_FALSE;
  75 }
  76
  77 void
  78 dri_destroy_buffer(__DRIdrawable * dPriv)
  79 {
  80    struct dri_drawable *drawable = dri_drawable(dPriv);
  81
  82    dri1_swap_fences_clear(drawable);
  83
  84    dri1_destroy_pipe_surface(drawable);
  85
  86    dri_destroy_st_framebuffer(drawable->stfb);
  87
  88    drawable->desired_fences = 0;
  89
  90    FREE(drawable);
  91 }
  92
  93 /* vim: set sw=3 ts=8 sts=3 expandtab: */