glamor/glamor_window.c

   1 /*
   2  * Copyright © 2008 Intel Corporation
   3  * Copyright © 1998 Keith Packard
   4  *
   5  * Permission to use, copy, modify, distribute, and sell this software and its
   6  * documentation for any purpose is hereby granted without fee, provided that
   7  * the above copyright notice appear in all copies and that both that
   8  * copyright notice and this permission notice appear in supporting
   9  * documentation, and that the name of Keith Packard not be used in
  10  * advertising or publicity pertaining to distribution of the software without
  11  * specific, written prior permission.  Keith Packard makes no
  12  * representations about the suitability of this software for any purpose.  It
  13  * is provided "as is" without express or implied warranty.
  14  *
  15  * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  16  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
  17  * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
  18  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
  19  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  20  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  21  * PERFORMANCE OF THIS SOFTWARE.
  22  */
  23
  24 #include "glamor_priv.h"
  25
  26 /** @file glamor_window.c
  27  *
  28  * Screen Change Window Attribute implementation.
  29  */
  30
  31 static void
  32 glamor_fixup_window_pixmap(DrawablePtr pDrawable, PixmapPtr *ppPixmap)
  33 {
  34     PixmapPtr pPixmap = *ppPixmap;
  35     glamor_pixmap_private *pixmap_priv;
  36
  37     if (pPixmap->drawable.bitsPerPixel != pDrawable->bitsPerPixel) {
  38         pixmap_priv = glamor_get_pixmap_private(pPixmap);
  39         if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv)) {
  40             glamor_fallback("pixmap %p has no fbo\n", pPixmap);
  41             goto fail;
  42         }
  43         glamor_debug_output(GLAMOR_DEBUG_UNIMPL, "To be implemented.\n");
  44     }
  45     return;
  46
  47  fail:
  48     GLAMOR_PANIC
  49         (" We can't fall back to fbFixupWindowPixmap, as the fb24_32ReformatTile"
  50          " is broken for glamor. \n");
  51 }
  52
  53 Bool
  54 glamor_change_window_attributes(WindowPtr pWin, unsigned long mask)
  55 {
  56     if (mask & CWBackPixmap) {
  57         if (pWin->backgroundState == BackgroundPixmap)
  58             glamor_fixup_window_pixmap(&pWin->drawable,
  59                                        &pWin->background.pixmap);
  60     }
  61
  62     if (mask & CWBorderPixmap) {
  63         if (pWin->borderIsPixel == FALSE)
  64             glamor_fixup_window_pixmap(&pWin->drawable, &pWin->border.pixmap);
  65     }
  66     return TRUE;
  67 }