1 files changed, 103 insertions, 0 deletions
diff --git a/xorg-server/glamor/glamor_window.c b/xorg-server/glamor/glamor_window.c
new file mode 100644
index 000000000..b67c72880
--- /dev/null
+++ b/xorg-server/glamor/glamor_window.c
@@ -0,0 +1,103 @@
+/*
+ * Copyright © 2008 Intel Corporation
+ * Copyright © 1998 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "glamor_priv.h"
+
+/** @file glamor_window.c
+ *
+ * Screen Change Window Attribute implementation.
+ */
+
+
+static void
+glamor_fixup_window_pixmap(DrawablePtr pDrawable, PixmapPtr * ppPixmap)
+{
+	PixmapPtr pPixmap = *ppPixmap;
+	glamor_pixmap_private *pixmap_priv;
+
+	if (pPixmap->drawable.bitsPerPixel != pDrawable->bitsPerPixel) {
+		pixmap_priv = glamor_get_pixmap_private(pPixmap);
+		if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv)) {
+			glamor_fallback("pixmap %p has no fbo\n", pPixmap);
+			goto fail;
+		}
+		glamor_debug_output(GLAMOR_DEBUG_UNIMPL,
+				    "To be implemented.\n");
+	}
+	return;
+
+      fail:
+	GLAMOR_PANIC
+	    (" We can't fall back to fbFixupWindowPixmap, as the fb24_32ReformatTile"
+	     " is broken for glamor. \n");
+}
+
+Bool
+glamor_change_window_attributes(WindowPtr pWin, unsigned long mask)
+{
+	if (mask & CWBackPixmap) {
+		if (pWin->backgroundState == BackgroundPixmap)
+			glamor_fixup_window_pixmap(&pWin->drawable,
+						   &pWin->
+						   background.pixmap);
+	}
+
+	if (mask & CWBorderPixmap) {
+		if (pWin->borderIsPixel == FALSE)
+			glamor_fixup_window_pixmap(&pWin->drawable,
+						   &pWin->border.pixmap);
+	}
+	return TRUE;
+}
+
+void
+glamor_set_window_pixmap(WindowPtr win, PixmapPtr pPixmap)
+{
+	ScreenPtr screen = win->drawable.pScreen;
+	glamor_screen_private *glamor_priv =
+		glamor_get_screen_private(screen);
+	PixmapPtr old = screen->GetWindowPixmap(win);
+
+	if (pPixmap != old) {
+		glamor_pixmap_private *pixmap_priv;
+		PicturePtr pic = NULL;
+
+		pixmap_priv = glamor_get_pixmap_private(old);
+		if (GLAMOR_PIXMAP_PRIV_IS_PICTURE(pixmap_priv) && pixmap_priv->base.picture->pDrawable == (DrawablePtr)win) {
+			pic = pixmap_priv->base.picture;
+			pixmap_priv->base.is_picture = 0;
+			pixmap_priv->base.picture = NULL;
+		}
+
+		pixmap_priv = glamor_get_pixmap_private(pPixmap);
+		if (pixmap_priv) {
+			pixmap_priv->base.is_picture = !!pic;
+			pixmap_priv->base.picture = pic;
+		}
+	}
+
+	screen->SetWindowPixmap = glamor_priv->saved_procs.set_window_pixmap;
+	(screen->SetWindowPixmap)(win, pPixmap);
+	glamor_priv->saved_procs.set_window_pixmap = screen->SetWindowPixmap;
+	screen->SetWindowPixmap = glamor_set_window_pixmap;
+}