util/r300g: split the r300 index buffer modifier functions out to util

These can be used by other drivers, like r600g.

Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 41 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/util/u_index_modify.h b/src/gallium/auxiliary/util/u_index_modify.h
new file mode 100644
index 0000000000..01a6cae94f
--- /dev/null
+++ b/src/gallium/auxiliary/util/u_index_modify.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2010 Marek Olšák <maraeo@gmail.com>
+ *
+ * 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
+ * on 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
+ * THE AUTHOR(S) AND/OR THEIR 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. */
+
+#ifndef UTIL_INDEX_MODIFY_H
+#define UTIL_INDEX_MODIFY_H
+
+void util_shorten_ubyte_elts(struct pipe_context *context,
+			     struct pipe_resource **elts,
+			     int index_bias,
+			     unsigned start,
+			     unsigned count);
+
+void util_rebuild_ushort_elts(struct pipe_context *context,
+			      struct pipe_resource **elts,
+			      int index_bias,
+			      unsigned start, unsigned count);
+
+void util_rebuild_uint_elts(struct pipe_context *context,
+			    struct pipe_resource **elts,
+			    int index_bias,
+			    unsigned start, unsigned count);
+#endif