[Mesa-dev] [PATCH 3/9] gallium: add PIPE_BIND_COMMAND_ARGS_BUFFER

Tom Stellard tom at stellard.net
Fri Jun 27 08:26:52 PDT 2014


On Tue, Jun 17, 2014 at 01:51:10AM +0200, Marek Olšák wrote:
> Since LLVM 3.5 will be released in August and my radeon patches adding

Which LLVM patches are required for ARB_draw_indirect?

-Tom

> ARB_draw_indirect depend on it, I will commit ARB_draw_indirect
> support for Gallium with softpipe and llvmpipe support earlier. My
> plan is for patches 3,4,5,6 to get committed in one week from now, or
> sooner if somebody reviews them.
> 
> Marek
> 
> On Sat, Apr 26, 2014 at 3:27 PM, Marek Olšák <maraeo at gmail.com> wrote:
> > From: Christoph Bumiller <e0425955 at student.tuwien.ac.at>
> >
> > 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   | 3 +++
> >  src/gallium/include/pipe/p_defines.h | 1 +
> >  2 files changed, 4 insertions(+)
> >
> > diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst
> > index 89cbdbf..65885b9 100644
> > --- a/src/gallium/docs/source/screen.rst
> > +++ b/src/gallium/docs/source/screen.rst
> > @@ -354,6 +354,9 @@ 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_ARGS_BUFFER``: A buffer that may be sourced by the
> > +  GPU command processor. It can contain, for example, the arguments to
> > +  indirect draw calls.
> >
> >  .. _pipe_usage:
> >
> > diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
> > index a3a1ae1..4d5d833 100644
> > --- a/src/gallium/include/pipe/p_defines.h
> > +++ b/src/gallium/include/pipe/p_defines.h
> > @@ -350,6 +350,7 @@ 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_ARGS_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
> > --
> > 1.8.3.2
> >
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