1 files changed, 77 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv30/nv30_surface.c b/src/gallium/drivers/nv30/nv30_surface.c
new file mode 100644
index 0000000000..d3376a73bf
--- /dev/null
+++ b/src/gallium/drivers/nv30/nv30_surface.c
@@ -0,0 +1,77 @@
+
+/**************************************************************************
+ * 
+ * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ * 
+ * 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, sub license, 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
+ * 
+ **************************************************************************/
+
+#include "nv30_context.h"
+#include "pipe/p_defines.h"
+#include "pipe/p_winsys.h"
+#include "pipe/p_inlines.h"
+
+#include "util/u_tile.h"
+
+static void
+nv30_surface_copy(struct pipe_context *pipe, boolean do_flip,
+		  struct pipe_surface *dest, unsigned destx, unsigned desty,
+		  struct pipe_surface *src, unsigned srcx, unsigned srcy,
+		  unsigned width, unsigned height)
+{
+	struct nv30_context *nv30 = nv30_context(pipe);
+	struct nouveau_winsys *nvws = nv30->nvws;
+
+	if (do_flip) {
+		/*XXX: This dodgyness will do for now for correctness.  But,
+		 *     need to investigate whether the 2D engine is able to
+		 *     manage a flip (perhaps SIFM?), if not, use the 3D engine
+		 */
+		desty += height;
+		while (height--) {
+			nvws->surface_copy(nvws, dest, destx, desty--, src,
+					   srcx, srcy++, width, 1);
+		}
+	} else {
+		nvws->surface_copy(nvws, dest, destx, desty, src, srcx, srcy,
+				   width, height);
+	}
+}
+
+static void
+nv30_surface_fill(struct pipe_context *pipe, struct pipe_surface *dest,
+		  unsigned destx, unsigned desty, unsigned width,
+		  unsigned height, unsigned value)
+{
+	struct nv30_context *nv30 = nv30_context(pipe);
+	struct nouveau_winsys *nvws = nv30->nvws;
+
+	nvws->surface_fill(nvws, dest, destx, desty, width, height, value);
+}
+
+void
+nv30_init_surface_functions(struct nv30_context *nv30)
+{
+	nv30->pipe.surface_copy = nv30_surface_copy;
+	nv30->pipe.surface_fill = nv30_surface_fill;
+}