1 files changed, 53 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeonsi/si_translate.c b/src/gallium/drivers/radeonsi/si_translate.c
new file mode 100644
index 00000000000..158bdc8b0da
--- /dev/null
+++ b/src/gallium/drivers/radeonsi/si_translate.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2010 Red Hat Inc.
+ *
+ * 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.
+ *
+ * Authors: Dave Airlie <[email protected]>
+ */
+
+#include "util/u_index_modify.h"
+#include "util/u_upload_mgr.h"
+#include "si_pipe.h"
+
+
+void r600_translate_index_buffer(struct r600_context *r600,
+				 struct pipe_index_buffer *ib,
+				 unsigned count)
+{
+	struct pipe_resource *out_buffer = NULL;
+	unsigned out_offset;
+	void *ptr;
+
+	switch (ib->index_size) {
+	case 1:
+		u_upload_alloc(r600->b.uploader, 0, count * 2,
+			       &out_offset, &out_buffer, &ptr);
+
+		util_shorten_ubyte_elts_to_userptr(
+				&r600->b.b, ib, 0, ib->offset, count, ptr);
+
+		pipe_resource_reference(&ib->buffer, NULL);
+		ib->buffer = out_buffer;
+		ib->offset = out_offset;
+		ib->index_size = 2;
+		break;
+	}
+}