diff options
| author | Michel Dänzer <michel@tungstengraphics.com> | 2008-04-04 09:06:13 +0100 |
|---|---|---|
| committer | Michel Dänzer <michel@tungstengraphics.com> | 2008-04-04 09:06:13 +0100 |
| commit | c07d3f6a9e62bd88e05d4ebf72430139b0531be8 (patch) | |
| tree | b3123a8ee60a1a0a946ddbdab9ac19a600f7398f /src/mesa/state_tracker/st_atom_constbuf.c | |
| parent | a7504ad587ee8cbfa9958ad23321a691ce0823d3 (diff) | |
gallium: Always allocate new const buffers instead of modifying existing ones.
Diffstat (limited to 'src/mesa/state_tracker/st_atom_constbuf.c')
| -rw-r--r-- | src/mesa/state_tracker/st_atom_constbuf.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/src/mesa/state_tracker/st_atom_constbuf.c b/src/mesa/state_tracker/st_atom_constbuf.c index cd7372902b..03093579e1 100644 --- a/src/mesa/state_tracker/st_atom_constbuf.c +++ b/src/mesa/state_tracker/st_atom_constbuf.c @@ -71,13 +71,12 @@ void st_upload_constants( struct st_context *st, _mesa_load_state_parameters(st->ctx, params); - if (cbuf->buffer && cbuf->size != paramBytes) - pipe_buffer_reference( ws, &cbuf->buffer, NULL ); - - if (!cbuf->buffer) { - cbuf->buffer = ws->buffer_create(ws, 1, PIPE_BUFFER_USAGE_CONSTANT, - paramBytes); - } + /* We always need to get a new buffer, to keep the drivers simple and + * avoid gratuitous rendering synchronization. + */ + pipe_buffer_reference( ws, &cbuf->buffer, NULL ); + cbuf->buffer = ws->buffer_create( ws, 1, PIPE_BUFFER_USAGE_CONSTANT, + paramBytes ); if (0) { |