100 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			100 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright © 2008 Intel Corporation
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|  * Copyright © 1998 Keith Packard
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|  *
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|  * Permission to use, copy, modify, distribute, and sell this software and its
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|  * documentation for any purpose is hereby granted without fee, provided that
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|  * the above copyright notice appear in all copies and that both that
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|  * copyright notice and this permission notice appear in supporting
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|  * documentation, and that the name of Keith Packard not be used in
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|  * advertising or publicity pertaining to distribution of the software without
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|  * specific, written prior permission.  Keith Packard makes no
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|  * representations about the suitability of this software for any purpose.  It
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|  * is provided "as is" without express or implied warranty.
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|  *
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|  * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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|  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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|  * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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|  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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|  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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|  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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|  * PERFORMANCE OF THIS SOFTWARE.
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|  */
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| 
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| #include "glamor_priv.h"
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| 
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| /** @file glamor_window.c
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|  *
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|  * Screen Change Window Attribute implementation.
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|  */
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| 
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| static void
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| glamor_fixup_window_pixmap(DrawablePtr pDrawable, PixmapPtr *ppPixmap)
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| {
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|     PixmapPtr pPixmap = *ppPixmap;
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|     glamor_pixmap_private *pixmap_priv;
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| 
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|     if (pPixmap->drawable.bitsPerPixel != pDrawable->bitsPerPixel) {
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|         pixmap_priv = glamor_get_pixmap_private(pPixmap);
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|         if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv)) {
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|             glamor_fallback("pixmap %p has no fbo\n", pPixmap);
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|             goto fail;
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|         }
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|         glamor_debug_output(GLAMOR_DEBUG_UNIMPL, "To be implemented.\n");
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|     }
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|     return;
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| 
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|  fail:
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|     GLAMOR_PANIC
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|         (" We can't fall back to fbFixupWindowPixmap, as the fb24_32ReformatTile"
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|          " is broken for glamor. \n");
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| }
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| 
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| Bool
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| glamor_change_window_attributes(WindowPtr pWin, unsigned long mask)
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| {
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|     if (mask & CWBackPixmap) {
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|         if (pWin->backgroundState == BackgroundPixmap)
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|             glamor_fixup_window_pixmap(&pWin->drawable,
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|                                        &pWin->background.pixmap);
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|     }
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| 
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|     if (mask & CWBorderPixmap) {
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|         if (pWin->borderIsPixel == FALSE)
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|             glamor_fixup_window_pixmap(&pWin->drawable, &pWin->border.pixmap);
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|     }
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|     return TRUE;
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| }
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| 
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| void
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| glamor_set_window_pixmap(WindowPtr win, PixmapPtr pPixmap)
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| {
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|     ScreenPtr screen = win->drawable.pScreen;
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|     glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
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|     PixmapPtr old = screen->GetWindowPixmap(win);
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| 
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|     if (pPixmap != old) {
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|         glamor_pixmap_private *pixmap_priv;
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|         PicturePtr pic = NULL;
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| 
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|         pixmap_priv = glamor_get_pixmap_private(old);
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|         if (GLAMOR_PIXMAP_PRIV_IS_PICTURE(pixmap_priv) &&
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|             pixmap_priv->base.picture->pDrawable == (DrawablePtr) win) {
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|             pic = pixmap_priv->base.picture;
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|             pixmap_priv->base.is_picture = 0;
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|             pixmap_priv->base.picture = NULL;
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|         }
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| 
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|         pixmap_priv = glamor_get_pixmap_private(pPixmap);
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|         if (pixmap_priv) {
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|             pixmap_priv->base.is_picture = ! !pic;
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|             pixmap_priv->base.picture = pic;
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|         }
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|     }
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| 
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|     screen->SetWindowPixmap = glamor_priv->saved_procs.set_window_pixmap;
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|     (screen->SetWindowPixmap) (win, pPixmap);
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|     glamor_priv->saved_procs.set_window_pixmap = screen->SetWindowPixmap;
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|     screen->SetWindowPixmap = glamor_set_window_pixmap;
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| }
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