nouveau: support getting "native" bo from winsys

diff --git a/src/gallium/drivers/nouveau/nouveau_winsys.h b/src/gallium/drivers/nouveau/nouveau_winsys.h
index e935fff..99f8e08 100644 (file)
--- a/src/gallium/drivers/nouveau/nouveau_winsys.h
+++ b/src/gallium/drivers/nouveau/nouveau_winsys.h
@@ -57,6 +57,8 @@ struct nouveau_winsys {
                            unsigned, unsigned, unsigned, unsigned);
        int (*surface_fill)(struct nouveau_winsys *, struct pipe_surface *,
                            unsigned, unsigned, unsigned, unsigned, unsigned);
+
+       struct nouveau_bo *(*get_bo)(struct pipe_buffer *);
 };
 
 extern struct pipe_screen *

diff --git a/src/gallium/winsys/drm/nouveau/common/nouveau_winsys.c b/src/gallium/winsys/drm/nouveau/common/nouveau_winsys.c
index 527c09c..ef7e8aa 100644 (file)
--- a/src/gallium/winsys/drm/nouveau/common/nouveau_winsys.c
+++ b/src/gallium/winsys/drm/nouveau/common/nouveau_winsys.c
@@ -81,6 +81,12 @@ nouveau_pipe_push_flush(struct nouveau_winsys *nvws, unsigned size,
        return nouveau_pushbuf_flush(nvws->channel, size);
 }
 
+static struct nouveau_bo *
+nouveau_pipe_get_bo(struct pipe_buffer *pb)
+{
+       return ((struct nouveau_pipe_buffer *)pb)->bo;
+}
+
 struct pipe_context *
 nouveau_pipe_create(struct nouveau_context *nv)
 {
@@ -151,6 +157,8 @@ nouveau_pipe_create(struct nouveau_context *nv)
        nvws->surface_copy      = nouveau_pipe_surface_copy;
        nvws->surface_fill      = nouveau_pipe_surface_fill;
 
+       nvws->get_bo            = nouveau_pipe_get_bo;
+
        ws = nouveau_create_pipe_winsys(nv);
 
        if (!nvc->pscreen)