[Mesa-dev] [PATCH 07/17] gallium: add indirect compute parameters to pipe_grid_info

[Marek Olšák]

With Ilia's suggestion applied:

Reviewed-by: Marek Olšák <marek.olsak at amd.com>

Marek

On Mon, Jan 25, 2016 at 3:28 PM, Ilia Mirkin <imirkin at alum.mit.edu> wrote:
> On Sun, Jan 24, 2016 at 4:09 PM, Samuel Pitoiset
> <samuel.pitoiset at gmail.com> wrote:
>> Like indirect draw, we need to store a resource and an offset that
>> needs to be 4 byte aligned. When indirect is used, the size of the
>> grid (in blocks) is stored with three 32-bit integers.
>>
>> Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
>> ---
>>  src/gallium/include/pipe/p_state.h | 12 ++++++++++++
>>  1 file changed, 12 insertions(+)
>>
>> diff --git a/src/gallium/include/pipe/p_state.h b/src/gallium/include/pipe/p_state.h
>> index b5bc45a..47f0cfd 100644
>> --- a/src/gallium/include/pipe/p_state.h
>> +++ b/src/gallium/include/pipe/p_state.h
>> @@ -704,6 +704,18 @@ struct pipe_grid_info
>>      * Determine the layout of the grid (in block units) to be used.
>>      */
>>     uint grid[3];
>> +
>> +   /* Indirect compute parameters resource: If not NULL, most values are taken
>
> s/most values/block sizes/
>
>> +    * from this buffer instead, which is laid out as follows:
>> +    *
>> +    *  struct {
>> +    *     uint32_t num_blocks_x;
>> +    *     uint32_t num_blocks_y;
>> +    *     uint32_t num_blocks_z;
>> +    *  };
>> +    */
>> +   struct pipe_resource *indirect;
>> +   unsigned indirect_offset; /**< must be 4 byte aligned */
>>  };
>>
>>  /**
>> --
>> 2.6.4
>>
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