[Mesa-dev] [PATCH 2/2] radv: do not re-emit the index buffer for every draw call

[Dave Airlie]

On 19 October 2017 at 04:56, Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl> wrote:
> Interesting that we already had RADV_CMD_DIRTY_INDEX_BUFFER. r-b for the series.
>
> On Wed, Oct 18, 2017 at 2:17 PM, Samuel Pitoiset
> <samuel.pitoiset at gmail.com> wrote:
>> It can only be changed when CmdBindIndexBuffer() is called
>> or when a secondary buffer is used. Though not always, but
>> let's re-emit the packets in this situation for now.

There is some hw issue around resetting the index type that my brain
can't come up with,

/* On CI and later, non-indexed draws overwrite VGT_INDEX_TYPE,
 * so the state must be re-emitted before the next indexed draw.
 */

Just make sure we still do the right thing here before pushing.

Dave.