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

[Ilia Mirkin]

On Mon, Jun 16, 2014 at 7:51 PM, Marek Olšák <maraeo at gmail.com> wrote:
> Since LLVM 3.5 will be released in August and my radeon patches adding
> 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.

Were you still planning on doing that?

>
> 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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