diff options
Diffstat (limited to 'src/gallium/include/pipe/p_context.h')
| -rw-r--r-- | src/gallium/include/pipe/p_context.h | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/src/gallium/include/pipe/p_context.h b/src/gallium/include/pipe/p_context.h index 09760ddbe0f..761761da773 100644 --- a/src/gallium/include/pipe/p_context.h +++ b/src/gallium/include/pipe/p_context.h @@ -60,6 +60,7 @@ struct pipe_shader_state; struct pipe_stencil_ref; struct pipe_stream_output_target; struct pipe_surface; +struct pipe_transfer; struct pipe_vertex_buffer; struct pipe_vertex_element; struct pipe_video_buffer; @@ -374,22 +375,21 @@ struct pipe_context { struct pipe_surface *); /** - * Get a transfer object for transferring data to/from a texture. + * Map a resource. * * Transfers are (by default) context-private and allow uploads to be - * interleaved with + * interleaved with rendering. + * + * out_transfer will contain the transfer object that must be passed + * to all the other transfer functions. It also contains useful + * information (like texture strides). */ - struct pipe_transfer *(*get_transfer)(struct pipe_context *, - struct pipe_resource *resource, - unsigned level, - unsigned usage, /* a combination of PIPE_TRANSFER_x */ - const struct pipe_box *); - - void (*transfer_destroy)(struct pipe_context *, - struct pipe_transfer *); - - void *(*transfer_map)( struct pipe_context *, - struct pipe_transfer *transfer ); + void *(*transfer_map)(struct pipe_context *, + struct pipe_resource *resource, + unsigned level, + unsigned usage, /* a combination of PIPE_TRANSFER_x */ + const struct pipe_box *, + struct pipe_transfer **out_transfer); /* If transfer was created with WRITE|FLUSH_EXPLICIT, only the * regions specified with this call are guaranteed to be written to @@ -399,9 +399,8 @@ struct pipe_context { struct pipe_transfer *transfer, const struct pipe_box *); - void (*transfer_unmap)( struct pipe_context *, - struct pipe_transfer *transfer ); - + void (*transfer_unmap)(struct pipe_context *, + struct pipe_transfer *transfer); /* One-shot transfer operation with data supplied in a user * pointer. XXX: strides?? |