[Mesa-dev] [PATCH] etnaviv: enable glsl/tgsi on-disk cache

[Emil Velikov]

On 20 February 2018 at 18:36, Christian Gmeiner
<christian.gmeiner at gmail.com> wrote:
> Signed-off-by: Christian Gmeiner <christian.gmeiner at gmail.com>
> ---
>  src/gallium/drivers/etnaviv/etnaviv_screen.c | 36 ++++++++++++++++++++++++++++
>  src/gallium/drivers/etnaviv/etnaviv_screen.h |  2 ++
>  2 files changed, 38 insertions(+)
>
> diff --git a/src/gallium/drivers/etnaviv/etnaviv_screen.c b/src/gallium/drivers/etnaviv/etnaviv_screen.c
> index 3dd628bd9b..361745214c 100644
> --- a/src/gallium/drivers/etnaviv/etnaviv_screen.c
> +++ b/src/gallium/drivers/etnaviv/etnaviv_screen.c
> @@ -79,6 +79,8 @@ etna_screen_destroy(struct pipe_screen *pscreen)
>  {
>     struct etna_screen *screen = etna_screen(pscreen);
>
> +   disk_cache_destroy(screen->disk_shader_cache);
> +
>     if (screen->pipe)
>        etna_pipe_del(screen->pipe);
>
> @@ -94,6 +96,36 @@ etna_screen_destroy(struct pipe_screen *pscreen)
>     FREE(screen);
>  }
>
> +static void etna_disk_cache_create(struct etna_screen *screen)
> +{
> +   uint32_t mesa_timestamp;
> +
> +   if (disk_cache_get_function_timestamp(etna_disk_cache_create,
> +                                         &mesa_timestamp)) {
> +      char *timestamp_str;
> +      int res = -1;
> +
> +      res = asprintf(&timestamp_str, "%u", mesa_timestamp);
> +      if (res != -1) {
> +         char name[128];
> +
> +         util_snprintf(name, sizeof(name), "gc%x_%04x", screen->model,
> +                       screen->revision);
> +
> +         screen->disk_shader_cache = disk_cache_create(name, timestamp_str, 0);
> +         free(timestamp_str);
Fly-by comment:

I wish we had something like systemd's DECIMAL_STR_MAX/DECIMAL_STR_WIDTH macros.
Allocating/freeing <16 bytes of memory is plain silly.

-Emil