[Mesa-dev] [PATCH 2/4] gallium: add PIPE_BIND_COMMAND_BUFFER

[Jose Fonseca]

I think that PIPE_BIND_INDIRECT_BUFFER would be more self-descriptive.

Or do you envision other uses of such buffer?

Jose

----- Original Message -----
> Intended for use with GL_ARB_draw_indirect's DRAW_INDIRECT_BUFFER
> target or for D3D11_RESOURCE_MISC_DRAWINDIRECT_ARGS.
> ---
>  src/gallium/docs/source/screen.rst   |    2 ++
>  src/gallium/include/pipe/p_defines.h |    1 +
>  2 files changed, 3 insertions(+), 0 deletions(-)
> 
> diff --git a/src/gallium/docs/source/screen.rst
> b/src/gallium/docs/source/screen.rst
> index c1a3c0b..f8cdded 100644
> --- a/src/gallium/docs/source/screen.rst
> +++ b/src/gallium/docs/source/screen.rst
> @@ -306,6 +306,8 @@ resources might be created and handled quite differently.
>    bound to the graphics pipeline as a shader resource.
>  * ``PIPE_BIND_COMPUTE_RESOURCE``: A buffer or texture that can be
>    bound to the compute program as a shader resource.
> +* ``PIPE_BIND_COMMAND_BUFFER``: A buffer or that may be sourced by the
> +  GPU command processor, like with indirect drawing.
>  
>  .. _pipe_usage:
>  
> diff --git a/src/gallium/include/pipe/p_defines.h
> b/src/gallium/include/pipe/p_defines.h
> index 5b00acc..2b79f2a 100644
> --- a/src/gallium/include/pipe/p_defines.h
> +++ b/src/gallium/include/pipe/p_defines.h
> @@ -315,6 +315,7 @@ enum pipe_flush_flags {
>  #define PIPE_BIND_GLOBAL               (1 << 18) /* set_global_binding */
>  #define PIPE_BIND_SHADER_RESOURCE      (1 << 19) /* set_shader_resources */
>  #define PIPE_BIND_COMPUTE_RESOURCE     (1 << 20) /* set_compute_resources */
> +#define PIPE_BIND_COMMAND_BUFFER       (1 << 21) /* pipe_draw_info.indirect
> */
>  
>  /* The first two flags above were previously part of the amorphous
>   * TEXTURE_USAGE, most of which are now descriptions of the ways a
> --
> 1.7.3.4
> 
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