winsys/xlib: remove dependency on glx/x11 state tracker

Introduce xlib_drawable struct, pass this down to winsys instead of
having it use the internal data structures from glx/x11

1 files changed, 25 insertions, 0 deletions

diff --git a/src/gallium/include/state_tracker/xlib_sw_winsys.h b/src/gallium/include/state_tracker/xlib_sw_winsys.h
new file mode 100644
index 00000000000..71d39b9cdb9
--- /dev/null
+++ b/src/gallium/include/state_tracker/xlib_sw_winsys.h
@@ -0,0 +1,25 @@
+#ifndef XLIB_SW_WINSYS_H
+#define XLIB_SW_WINSYS_H
+
+#include "state_tracker/sw_winsys.h"
+#include <X11/Xlib.h>
+
+struct sw_winsys *xlib_create_sw_winsys( Display *display );
+
+/* This is what the xlib software winsys expects to find in the
+ * "private" field of flush_frontbuffers().  Xlib-based state trackers
+ * somehow need to know this.
+ */
+struct xlib_drawable {
+   Visual *visual;
+   int depth;
+   Drawable drawable;
+   GC gc;                       /* temporary? */
+};
+
+void
+xlib_sw_display(struct xlib_drawable *xm_buffer,
+                struct sw_displaytarget *dt);
+
+
+#endif