r600g: cleanup draw_vbo and add comments

1 files changed, 8 insertions, 9 deletions

diff --git a/src/gallium/drivers/r600/r600_translate.c b/src/gallium/drivers/r600/r600_translate.c
index 32f683b0152..9159e452343 100644
--- a/src/gallium/drivers/r600/r600_translate.c
+++ b/src/gallium/drivers/r600/r600_translate.c
@@ -30,27 +30,26 @@
 
 
 void r600_translate_index_buffer(struct r600_pipe_context *r600,
-				 struct pipe_resource **index_buffer,
-				 unsigned *index_size,
-				 unsigned *start, unsigned count)
+				 struct pipe_index_buffer *ib,
+				 unsigned count)
 {
 	struct pipe_resource *out_buffer = NULL;
 	unsigned out_offset;
 	void *ptr;
 	boolean flushed;
 
-	switch (*index_size) {
+	switch (ib->index_size) {
 	case 1:
 		u_upload_alloc(r600->vbuf_mgr->uploader, 0, count * 2,
 			       &out_offset, &out_buffer, &flushed, &ptr);
 
 		util_shorten_ubyte_elts_to_userptr(
-				&r600->context, *index_buffer, 0, *start, count, ptr);
+				&r600->context, ib->buffer, 0, ib->offset, count, ptr);
 
-		pipe_resource_reference(index_buffer, out_buffer);
-		pipe_resource_reference(&out_buffer, NULL);
-		*index_size = 2;
-		*start = out_offset / 2;
+		pipe_resource_reference(&ib->buffer, NULL);
+		ib->buffer = out_buffer;
+		ib->offset = out_offset;
+		ib->index_size = 2;
 		break;
 	}
 }