[Mesa-dev] [PATCH] r600g/radeon: Don't try to allocate CMASK BO of size 0

[Marek Olšák]

I would rather like to find the core problem.

r600_num_tile_pipes might be 0 for some reason. This recent commit
could cause the issue:

http://cgit.freedesktop.org/mesa/mesa/commit/?id=9b046474c95f15338d4c748df9b62871bba6f36f

Marek


On Thu, Aug 7, 2014 at 7:46 AM, Michel Dänzer <michel at daenzer.net> wrote:
> From: Michel Dänzer <michel.daenzer at amd.com>
>
> Prevents logs from getting spammed with BO allocation failure messages.
>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=82162
> Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
> ---
>  src/gallium/drivers/radeon/r600_texture.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/src/gallium/drivers/radeon/r600_texture.c b/src/gallium/drivers/radeon/r600_texture.c
> index 482bbff..0ecbb9e 100644
> --- a/src/gallium/drivers/radeon/r600_texture.c
> +++ b/src/gallium/drivers/radeon/r600_texture.c
> @@ -463,6 +463,8 @@ static void r600_texture_alloc_cmask_separate(struct r600_common_screen *rscreen
>         } else {
>                 r600_texture_get_cmask_info(rscreen, rtex, &rtex->cmask);
>         }
> +       if (rtex->cmask.size == 0)
> +               return;
>
>         rtex->cmask_buffer = (struct r600_resource *)
>                 pipe_buffer_create(&rscreen->b, PIPE_BIND_CUSTOM,
> --
> 2.0.1
>
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