gallium: Have pipe_buffer_* receive a pipe_screen instead of a pipe_context.

We want to use the pipe_buffer_* inlines everywhere, but a pipe context
is not always available nor is it needed.

3 files changed, 3 insertions, 3 deletions

diff --git a/src/gallium/state_trackers/python/p_context.i b/src/gallium/state_trackers/python/p_context.i
index 0b2621f7c31..231e07cd637 100644
--- a/src/gallium/state_trackers/python/p_context.i
+++ b/src/gallium/state_trackers/python/p_context.i
@@ -248,7 +248,7 @@ struct st_context {
       util_draw_vertex_buffer(pipe, vbuf, prim, num_verts, num_attribs);
       
 error2:
-      pipe_buffer_reference(pipe->winsys, &vbuf, NULL);
+      pipe_buffer_reference(pipe->screen, &vbuf, NULL);
 error1:
       ;
    }
diff --git a/src/gallium/state_trackers/python/st_device.c b/src/gallium/state_trackers/python/st_device.c
index f71d85dd9b4..bd71755f0b1 100644
--- a/src/gallium/state_trackers/python/st_device.c
+++ b/src/gallium/state_trackers/python/st_device.c
@@ -293,7 +293,7 @@ st_buffer_destroy(struct st_buffer *st_buf)
 {
    if(st_buf) {
       struct pipe_winsys *winsys = st_buf->st_dev->screen->winsys;
-      pipe_buffer_reference(winsys, &st_buf->buffer, NULL);
+      pipe_buffer_reference(pipe->screen, &st_buf->buffer, NULL);
       FREE(st_buf);
    }
 }
diff --git a/src/gallium/state_trackers/python/st_softpipe_winsys.c b/src/gallium/state_trackers/python/st_softpipe_winsys.c
index 2d4f5434b35..f62113a4691 100644
--- a/src/gallium/state_trackers/python/st_softpipe_winsys.c
+++ b/src/gallium/state_trackers/python/st_softpipe_winsys.c
@@ -221,7 +221,7 @@ st_softpipe_surface_release(struct pipe_winsys *winsys,
    surf->refcount--;
    if (surf->refcount == 0) {
       if (surf->buffer)
-	pipe_buffer_reference(winsys, &surf->buffer, NULL);
+	winsys_buffer_reference(winsys, &surf->buffer, NULL);
       free(surf);
    }
    *s = NULL;