diff options
| -rw-r--r-- | src/gallium/drivers/i965/brw_pipe_vertex.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/src/gallium/drivers/i965/brw_pipe_vertex.c b/src/gallium/drivers/i965/brw_pipe_vertex.c index 73bba5b0881..3d87a2853f7 100644 --- a/src/gallium/drivers/i965/brw_pipe_vertex.c +++ b/src/gallium/drivers/i965/brw_pipe_vertex.c @@ -19,11 +19,26 @@ static void brw_set_vertex_buffers(struct pipe_context *pipe, const struct pipe_vertex_buffer *buffers) { struct brw_context *brw = brw_context(pipe); + unsigned i; - /* XXX: don't we need to take some references here? It's a bit - * awkward to do so, though. - */ - memcpy(brw->curr.vertex_buffer, buffers, count * sizeof(buffers[0])); + /* Check for no change */ + if (count == brw->curr.num_vertex_buffers && + memcmp(brw->curr.vertex_buffer, + buffers, + count * sizeof buffers[0]) == 0) + return; + + /* Adjust refcounts */ + for (i = 0; i < count; i++) + pipe_buffer_reference(&brw->curr.vertex_buffer[i].buffer, + buffers[i].buffer); + + for ( ; i < brw->curr.num_vertex_buffers; i++) + pipe_buffer_reference(&brw->curr.vertex_buffer[i].buffer, + NULL); + + /* Copy remaining data */ + memcpy(brw->curr.vertex_buffer, buffers, count * sizeof buffers[0]); brw->curr.num_vertex_buffers = count; brw->state.dirty.mesa |= PIPE_NEW_VERTEX_BUFFER; |