[Mesa-dev] [PATCH 04/19] gallium: introduce memory object

[Nicolai Hähnle]

On 01.07.2017 01:02, Andres Rodriguez wrote:
> From: Dave Airlie <airlied at redhat.com>
> 
> ---
>   src/gallium/include/pipe/p_screen.h | 36 ++++++++++++++++++++++++++++++++++++
>   src/gallium/include/pipe/p_state.h  |  2 ++
>   2 files changed, 38 insertions(+)
> 
> diff --git a/src/gallium/include/pipe/p_screen.h b/src/gallium/include/pipe/p_screen.h
> index 65e954a..929dc8f 100644
> --- a/src/gallium/include/pipe/p_screen.h
> +++ b/src/gallium/include/pipe/p_screen.h
> @@ -357,6 +357,42 @@ struct pipe_screen {
>                                     enum pipe_format format, int max,
>                                     uint64_t *modifiers,
>                                     unsigned int *external_only, int *count);
> +
> +   /**
> +    * Create a memory object from a winsys handle
> +    *
> +    * The underlying memory is most often allocated in by a foregin API.
> +    * Then the underlying memory object is then exported through interfaces
> +    * compatible with EXT_external_resources.
> +    *
> +    * Note: For DRM_API_HANDLE_TYPE_FD handles, ownership of the fd is
> +    * transferred to the driver implementation. This is consistent with
> +    * EXT_external_object_fd
> +    *
> +    * \param handle  A handle representing the memory object to import
> +    */
> +   struct pipe_memory_object *(*memobj_create_from_handle)(struct pipe_screen *screen,
> +                                                           struct winsys_handle *handle);
> +
> +   /**
> +    * Destroy a memory object
> +    *
> +    * \param memobj  The memory object to destroy
> +    */
> +   void (*memobj_destroy)(struct pipe_screen *screen,
> +                          struct pipe_memory_object *memobj);
> +
> +   /**
> +    * Create a texture from a memory object
> +    *
> +    * \param t       texture template
> +    * \param memobj  The memory object used to back the texture
> +    */
> +   struct pipe_resource * (*resource_from_memobj)(struct pipe_screen *screen,
> +                                                  const struct pipe_resource *t,
> +                                                  struct pipe_memory_object *memobj,
> +                                                  uint64_t offset);
> +

Please add these to ddebug as well.

Cheers,
Nicolai


>   };
>   
>   
> diff --git a/src/gallium/include/pipe/p_state.h b/src/gallium/include/pipe/p_state.h
> index 15be8cb..acbb73f 100644
> --- a/src/gallium/include/pipe/p_state.h
> +++ b/src/gallium/include/pipe/p_state.h
> @@ -888,6 +888,8 @@ struct pipe_memory_info
>      unsigned nr_device_memory_evictions; /**< # of evictions (monotonic counter) */
>   };
>   
> +struct pipe_memory_object;
> +
>   #ifdef __cplusplus
>   }
>   #endif
> 


-- 
Lerne, wie die Welt wirklich ist,
Aber vergiss niemals, wie sie sein sollte.