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Diffstat (limited to 'src/gallium/include/pipe/p_screen.h')
-rw-r--r--src/gallium/include/pipe/p_screen.h24
1 files changed, 19 insertions, 5 deletions
diff --git a/src/gallium/include/pipe/p_screen.h b/src/gallium/include/pipe/p_screen.h
index 17d1548253b..341d1caea0f 100644
--- a/src/gallium/include/pipe/p_screen.h
+++ b/src/gallium/include/pipe/p_screen.h
@@ -55,6 +55,7 @@ struct pipe_winsys;
struct pipe_buffer;
+
/**
* Gallium screen/adapter context. Basically everything
* hardware-specific that doesn't actually require a rendering
@@ -128,12 +129,25 @@ struct pipe_screen {
struct pipe_surface ** );
- void *(*surface_map)( struct pipe_screen *,
- struct pipe_surface *surface,
- unsigned flags );
+ /** Get a transfer object for transferring data to/from a texture */
+ struct pipe_transfer *(*get_tex_transfer)(struct pipe_screen *,
+ struct pipe_texture *texture,
+ unsigned face, unsigned level,
+ unsigned zslice,
+ enum pipe_transfer_usage usage,
+ unsigned x, unsigned y,
+ unsigned w, unsigned h);
+
+ /* Transfer objects allocated by the above must be released here:
+ */
+ void (*tex_transfer_release)( struct pipe_screen *,
+ struct pipe_transfer ** );
+
+ void *(*transfer_map)( struct pipe_screen *,
+ struct pipe_transfer *transfer );
- void (*surface_unmap)( struct pipe_screen *,
- struct pipe_surface *surface );
+ void (*transfer_unmap)( struct pipe_screen *,
+ struct pipe_transfer *transfer );
/**