diff options
Diffstat (limited to 'src/gallium/drivers/nv40/nv40_screen.c')
| -rw-r--r-- | src/gallium/drivers/nv40/nv40_screen.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv40/nv40_screen.c b/src/gallium/drivers/nv40/nv40_screen.c index 5164053393..ed0215b486 100644 --- a/src/gallium/drivers/nv40/nv40_screen.c +++ b/src/gallium/drivers/nv40/nv40_screen.c @@ -133,6 +133,28 @@ nv40_screen_surface_format_supported(struct pipe_screen *pscreen, return FALSE; } +static void * +nv40_surface_map(struct pipe_screen *screen, struct pipe_surface *surface, + unsigned flags ) +{ + struct pipe_winsys *ws = screen->winsys; + void *map; + + map = ws->buffer_map(ws, surface->buffer, flags); + if (!map) + return NULL; + + return map + surface->offset; +} + +static void +nv40_surface_unmap(struct pipe_screen *screen, struct pipe_surface *surface) +{ + struct pipe_winsys *ws = screen->winsys; + + ws->buffer_unmap(ws, surface->buffer); +} + static void nv40_screen_destroy(struct pipe_screen *pscreen) { @@ -282,6 +304,9 @@ nv40_screen_create(struct pipe_winsys *ws, struct nouveau_winsys *nvws) screen->pipe.is_format_supported = nv40_screen_surface_format_supported; + screen->pipe.surface_map = nv40_surface_map; + screen->pipe.surface_unmap = nv40_surface_unmap; + nv40_screen_init_miptree_functions(&screen->pipe); return &screen->pipe; |