1 files changed, 80 insertions, 0 deletions
diff --git a/xorg-server/dri3/dri3_screen.c b/xorg-server/dri3/dri3_screen.c
new file mode 100644
index 000000000..cf2735b8d
--- /dev/null
+++ b/xorg-server/dri3/dri3_screen.c
@@ -0,0 +1,80 @@
+/*
+ * Copyright © 2013 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 the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS 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_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "dri3_priv.h"
+#include <syncsdk.h>
+#include <misync.h>
+#include <misyncshm.h>
+#include <randrstr.h>
+
+int
+dri3_open(ClientPtr client, ScreenPtr screen, RRProviderPtr provider, int *fd)
+{
+    dri3_screen_priv_ptr        ds = dri3_screen_priv(screen);
+    dri3_screen_info_ptr        info = ds->info;
+    int                         rc;
+
+    if (!info || !info->open)
+        return BadMatch;
+
+    rc = (*info->open) (screen, provider, fd);
+    if (rc != Success)
+        return rc;
+
+    return Success;
+}
+
+int
+dri3_pixmap_from_fd(PixmapPtr *ppixmap, ScreenPtr screen, int fd,
+                    CARD16 width, CARD16 height, CARD16 stride, CARD8 depth, CARD8 bpp)
+{
+    dri3_screen_priv_ptr        ds = dri3_screen_priv(screen);
+    dri3_screen_info_ptr        info = ds->info;
+    PixmapPtr                   pixmap;
+
+    pixmap = (*info->pixmap_from_fd) (screen, fd, width, height, stride, depth, bpp);
+    if (!pixmap)
+        return BadAlloc;
+
+    *ppixmap = pixmap;
+    return Success;
+}
+
+int
+dri3_fd_from_pixmap(int *pfd, PixmapPtr pixmap, CARD16 *stride, CARD32 *size)
+{
+    ScreenPtr                   screen = pixmap->drawable.pScreen;
+    dri3_screen_priv_ptr        ds = dri3_screen_priv(screen);
+    dri3_screen_info_ptr        info = ds->info;
+    int                         fd;
+
+    fd = (*info->fd_from_pixmap)(screen, pixmap, stride, size);
+    if (fd < 0)
+        return BadAlloc;
+    *pfd = fd;
+    return Success;
+}
+