util: Use PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE in pipe_buffer_write.

2011-02-10 20:54:18 +00:00
parent 05efcee46e
commit d5249b7d89
1 changed files with 6 additions and 1 deletions
@@ -299,13 +299,18 @@ pipe_buffer_write(struct pipe_context *pipe,
                  const void *data)
 {
   struct pipe_box box;
+   unsigned usage = PIPE_TRANSFER_WRITE;
+
+   if (offset == 0 && size == buf->width0) {
+      usage |= PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE;
+   }

   u_box_1d(offset, size, &box);

   pipe->transfer_inline_write( pipe,
                                buf,
                                0,
-                                PIPE_TRANSFER_WRITE,
+                                usage,
                                &box,
                                data,
                                size,