1 files changed, 101 insertions, 0 deletions
diff --git a/xorg-server/glamor/glamor_getimage.c b/xorg-server/glamor/glamor_getimage.c
new file mode 100644
index 000000000..5df576c45
--- /dev/null
+++ b/xorg-server/glamor/glamor_getimage.c
@@ -0,0 +1,101 @@
+/*
+ * Copyright © 2009 Intel Corporation
+ * Copyright © 1998 Keith Packard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Zhigang Gong <zhigang.gong@gmail.com>
+ *
+ */
+
+#include "glamor_priv.h"
+
+
+static Bool
+_glamor_get_image(DrawablePtr drawable, int x, int y, int w, int h,
+		  unsigned int format, unsigned long planeMask, char *d,
+		  Bool fallback)
+{
+	PixmapPtr pixmap, sub_pixmap;
+	struct glamor_pixmap_private *pixmap_priv;
+	int x_off, y_off;
+	int stride;
+	void *data;
+
+	pixmap = glamor_get_drawable_pixmap(drawable);
+	glamor_get_drawable_deltas(drawable, pixmap, &x_off, &y_off);
+
+	if (format != ZPixmap)
+		goto fall_back;
+	pixmap = glamor_get_drawable_pixmap(drawable);
+	glamor_get_drawable_deltas(drawable, pixmap, &x_off, &y_off);
+
+	if (!glamor_set_planemask(pixmap, planeMask)) {
+		glamor_fallback
+		    ("Failedto set planemask  in glamor_solid.\n");
+		goto fall_back;
+	}
+	pixmap_priv = glamor_get_pixmap_private(pixmap);
+
+
+	if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv))
+		goto fall_back;
+	stride = PixmapBytePad(w, drawable->depth);
+
+	x += drawable->x + x_off;
+	y += drawable->y + y_off;
+
+	data = glamor_download_sub_pixmap_to_cpu(pixmap, x, y, w, h, stride,
+						 d, 0, GLAMOR_ACCESS_RO);
+	if (data != NULL) {
+		assert(data == d);
+		return TRUE;
+	}
+fall_back:
+	sub_pixmap = glamor_get_sub_pixmap(pixmap, x + x_off + drawable->x,
+					   y + y_off + drawable->y, w, h,
+					   GLAMOR_ACCESS_RO);
+	if (sub_pixmap) {
+		fbGetImage(&sub_pixmap->drawable, 0, 0, w, h, format, planeMask, d);
+		glamor_put_sub_pixmap(sub_pixmap, pixmap,
+				      x + x_off + drawable->x,
+				      y + y_off + drawable->y,
+				      w, h, GLAMOR_ACCESS_RO);
+	} else
+		miGetImage(drawable, x, y, w, h, format, planeMask, d);
+
+	return TRUE;
+}
+
+void
+glamor_get_image(DrawablePtr pDrawable, int x, int y, int w, int h,
+		 unsigned int format, unsigned long planeMask, char *d)
+{
+	_glamor_get_image(pDrawable, x, y, w, h, format, planeMask, d, TRUE);
+}
+
+Bool
+glamor_get_image_nf(DrawablePtr pDrawable, int x, int y, int w, int h,
+		    unsigned int format, unsigned long planeMask, char *d)
+{
+	return _glamor_get_image(pDrawable, x, y, w, 
+				 h, format, planeMask, d, FALSE);
+}