-static void *
-identity_screen_transfer_map(struct pipe_screen *_screen,
- struct pipe_transfer *_transfer)
-{
- struct identity_screen *id_screen = identity_screen(_screen);
- struct identity_transfer *id_transfer = identity_transfer(_transfer);
- struct pipe_screen *screen = id_screen->screen;
- struct pipe_transfer *transfer = id_transfer->transfer;
-
- return screen->transfer_map(screen,
- transfer);
-}
-
-static void
-identity_screen_transfer_unmap(struct pipe_screen *_screen,
- struct pipe_transfer *_transfer)
-{
- struct identity_screen *id_screen = identity_screen(_screen);
- struct identity_transfer *id_transfer = identity_transfer(_transfer);
- struct pipe_screen *screen = id_screen->screen;
- struct pipe_transfer *transfer = id_transfer->transfer;
-
- screen->transfer_unmap(screen,
- transfer);
-}
-
-static struct pipe_buffer *
-identity_screen_buffer_create(struct pipe_screen *_screen,
- unsigned alignment,
- unsigned usage,
- unsigned size)
-{
- struct identity_screen *id_screen = identity_screen(_screen);
- struct pipe_screen *screen = id_screen->screen;
- struct pipe_buffer *result;
-
- result = screen->buffer_create(screen,
- alignment,
- usage,
- size);
-
- if (result)
- return identity_buffer_create(id_screen, result);
- return NULL;
-}
-
-static struct pipe_buffer *
-identity_screen_user_buffer_create(struct pipe_screen *_screen,
- void *ptr,
- unsigned bytes)
-{
- struct identity_screen *id_screen = identity_screen(_screen);
- struct pipe_screen *screen = id_screen->screen;
- struct pipe_buffer *result;
-
- result = screen->user_buffer_create(screen,
- ptr,
- bytes);
-
- if (result)
- return identity_buffer_create(id_screen, result);
- return NULL;
-}
-
-static struct pipe_buffer *
-identity_screen_surface_buffer_create(struct pipe_screen *_screen,
- unsigned width,
- unsigned height,
- enum pipe_format format,
- unsigned usage,
- unsigned tex_usage,
- unsigned *stride)
-{
- struct identity_screen *id_screen = identity_screen(_screen);
- struct pipe_screen *screen = id_screen->screen;
- struct pipe_buffer *result;
-
- result = screen->surface_buffer_create(screen,
- width,
- height,
- format,
- usage,
- tex_usage,
- stride);
-
- if (result)
- return identity_buffer_create(id_screen, result);
- return NULL;
-}
-
-static void *
-identity_screen_buffer_map(struct pipe_screen *_screen,
- struct pipe_buffer *_buffer,
- unsigned usage)
-{
- struct identity_screen *id_screen = identity_screen(_screen);
- struct identity_buffer *id_buffer = identity_buffer(_buffer);
- struct pipe_screen *screen = id_screen->screen;
- struct pipe_buffer *buffer = id_buffer->buffer;
-
- return screen->buffer_map(screen,
- buffer,
- usage);
-}
-
-static void *
-identity_screen_buffer_map_range(struct pipe_screen *_screen,
- struct pipe_buffer *_buffer,
- unsigned offset,
- unsigned length,
- unsigned usage)