Mesa (master): u_upload_mgr: Use pipe_buffer_map_range istead of pipe_buffer_map.

[Jose Fonseca]

Module: Mesa
Branch: master
Commit: dda8d7ac3f0e5148d9738a57f7bc03216f6514d1
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=dda8d7ac3f0e5148d9738a57f7bc03216f6514d1

Author: José Fonseca <jfonseca at vmware.com>
Date:   Fri Jul  1 17:05:30 2011 +0100

u_upload_mgr: Use pipe_buffer_map_range istead of pipe_buffer_map.

pipe_buffer_map_range makes stricter assertions, and would have saved us
grief detecting a bug in svga user buffer uploads.

---

 src/gallium/auxiliary/util/u_upload_mgr.c |   11 ++++++-----
 1 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/gallium/auxiliary/util/u_upload_mgr.c b/src/gallium/auxiliary/util/u_upload_mgr.c
index d36697d..e50db6d 100644
--- a/src/gallium/auxiliary/util/u_upload_mgr.c
+++ b/src/gallium/auxiliary/util/u_upload_mgr.c
@@ -240,10 +240,11 @@ enum pipe_error u_upload_buffer( struct u_upload_mgr *upload,
    struct pipe_transfer *transfer = NULL;
    const char *map = NULL;
 
-   map = (const char *)pipe_buffer_map(upload->pipe,
-				       inbuf,
-				       PIPE_TRANSFER_READ,
-				       &transfer);
+   map = (const char *)pipe_buffer_map_range(upload->pipe,
+                                             inbuf,
+                                             offset, size,
+                                             PIPE_TRANSFER_READ,
+                                             &transfer);
 
    if (map == NULL) {
       ret = PIPE_ERROR_OUT_OF_MEMORY;
@@ -256,7 +257,7 @@ enum pipe_error u_upload_buffer( struct u_upload_mgr *upload,
    ret = u_upload_data( upload,
                         min_out_offset,
                         size,
-                        map + offset,
+                        map,
                         out_offset,
                         outbuf, flushed );