glamor: Add CopyWindow implementation so it doesn't crash.

glamor/Makefile.am

@@ -18,6 +18,7 @@ AM_CFLAGS = $(XORG_CFLAGS) $(DIX_CFLAGS)
 libglamor_la_SOURCES = \
 	glamor.c \
 	glamor_copyarea.c \
+	glamor_copywindow.c \
 	glamor_core.c \
 	glamor_fill.c \
 	glamor_fillspans.c \

glamor/glamor.c

@@ -210,6 +210,9 @@ glamor_init(ScreenPtr screen)
     glamor_priv->saved_change_window_attributes = screen->ChangeWindowAttributes;
     screen->ChangeWindowAttributes = glamor_change_window_attributes;
 
+    glamor_priv->saved_copy_window = screen->CopyWindow;
+    screen->CopyWindow = glamor_copy_window;
+
     glamor_priv->saved_bitmap_to_region = screen->BitmapToRegion;
     screen->BitmapToRegion = glamor_bitmap_to_region;
 
@@ -247,6 +250,7 @@ glamor_fini(ScreenPtr screen)
     screen->DestroyPixmap = glamor_priv->saved_destroy_pixmap;
     screen->GetSpans = glamor_priv->saved_get_spans;
     screen->ChangeWindowAttributes = glamor_priv->saved_change_window_attributes;
+    screen->CopyWindow = glamor_priv->saved_copy_window;
     screen->BitmapToRegion = glamor_priv->saved_bitmap_to_region;
 #ifdef RENDER
     ps->Composite = glamor_priv->saved_composite;

glamor/glamor_copyarea.c

@@ -32,7 +32,7 @@
  * GC CopyArea implementation
  */
 
-static void
+void
 glamor_copy_n_to_n(DrawablePtr src,
 		 DrawablePtr dst,
 		 GCPtr gc,
@@ -49,6 +49,8 @@ glamor_copy_n_to_n(DrawablePtr src,
     PixmapPtr dst_pixmap = glamor_get_drawable_pixmap(dst);
     int i;
 
+    goto fail;
+
     glamor_set_alu(gc->alu);
     if (!glamor_set_planemask(dst_pixmap, gc->planemask))
 	goto fail;
@@ -64,6 +66,18 @@ glamor_copy_n_to_n(DrawablePtr src,
     }
 
 fail:
+    glamor_fallback("from %p to %p (%c,%c)\n", src, dst,
+		    glamor_get_drawable_location(src),
+		    glamor_get_drawable_location(dst));
+    if (glamor_prepare_access(dst, GLAMOR_ACCESS_RW)) {
+	if (glamor_prepare_access(src, GLAMOR_ACCESS_RO)) {
+	    fbCopyNtoN(src, dst, gc, box, nbox,
+		       dx, dy, reverse, upsidedown, bitplane,
+		       closure);
+	    glamor_finish_access(src);
+	}
+	glamor_finish_access(dst);
+    }
     glamor_set_alu(GXcopy);
     glamor_set_planemask(dst_pixmap, ~0);
 }
@@ -79,8 +93,6 @@ glamor_copy_area(DrawablePtr src, DrawablePtr dst, GCPtr gc,
     glamor_pixmap_private *src_priv = glamor_get_pixmap_private(src_pixmap);
     RegionPtr region;
 
-    goto fail;
-
     if (!GLEW_EXT_framebuffer_blit) {
 	glamor_fallback("glamor_copy_area(): "
 			"EXT_framebuffer_blit unsupported\n");

glamor/glamor_copywindow.c

@@ -0,0 +1,60 @@
+/*
+ * 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.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "glamor_priv.h"
+
+/** @file glamor_copywindow.c
+ *
+ * Screen CopyWindow implementation.
+ */
+
+void glamor_copy_window(WindowPtr win, DDXPointRec old_origin,
+			RegionPtr src_region)
+{
+    RegionRec dst_region;
+    int dx, dy;
+    PixmapPtr pixmap = win->drawable.pScreen->GetWindowPixmap(win);
+
+    dx = old_origin.x - win->drawable.x;
+    dy = old_origin.y - win->drawable.y;
+    REGION_TRANSLATE(win->drawable.pScreen, src_region, -dx, -dy);
+
+    REGION_INIT(win->drawable.pScreen, &dst_region, NullBox, 0);
+
+    REGION_INTERSECT(win->drawable.pScreen, &dst_region, &win->borderClip,
+		     src_region);
+#ifdef COMPOSITE
+    if (pixmap->screen_x || pixmap->screen_y)
+	REGION_TRANSLATE(win->drawable.pScreen, &dst_region,
+			 -pixmap->screen_x, -pixmap->screen_y);
+#endif
+
+    miCopyRegion(&pixmap->drawable, &pixmap->drawable,
+		 NULL, &dst_region, dx, dy, glamor_copy_n_to_n, 0, NULL);
+
+    REGION_UNINIT(win->drawable.pScreen, &dst_region);
+}

glamor/glamor_priv.h

@@ -61,6 +61,7 @@ typedef struct glamor_screen_private {
     CompositeProcPtr saved_composite;
     TrapezoidsProcPtr saved_trapezoids;
     ChangeWindowAttributesProcPtr saved_change_window_attributes;
+    CopyWindowProcPtr saved_copy_window;
     BitmapToRegionProcPtr saved_bitmap_to_region;
 
     /* glamor_finishaccess */
@@ -138,6 +139,23 @@ PixmapPtr glamor_get_drawable_pixmap(DrawablePtr drawable);
 RegionPtr
 glamor_copy_area(DrawablePtr src, DrawablePtr dst, GCPtr gc,
 		 int srcx, int srcy, int width, int height, int dstx, int dsty);
+void
+glamor_copy_n_to_n(DrawablePtr src,
+		   DrawablePtr dst,
+		   GCPtr gc,
+		   BoxPtr box,
+		   int nbox,
+		   int		dx,
+		   int		dy,
+		   Bool		reverse,
+		   Bool		upsidedown,
+		   Pixel		bitplane,
+		   void		*closure);
+
+/* glamor_copywindow.c */
+void glamor_copy_window(WindowPtr win, DDXPointRec old_origin,
+			RegionPtr src_region);
+
 /* glamor_core.c */
 Bool glamor_prepare_access(DrawablePtr drawable, glamor_access_t access);
 void glamor_finish_access(DrawablePtr drawable);