[Mesa-dev] [PATCH 2/2] i965: Guard GetBufferSubData's streaming memcpy load with USE_SSE41

[Grazvydas Ignotas]

On Fri, Aug 11, 2017 at 8:52 AM, Kenneth Graunke <kenneth at whitecape.org> wrote:
> This should hopefully fix build issues on 32-bit Android-x86.
>
> Cc: Mauro Rossi <issor.oruam at gmail.com>
> Cc: Tapani Pälli <tapani.palli at intel.com>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=102050
> ---
>  src/mesa/drivers/dri/i965/intel_buffer_objects.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> Mauro, hopefully this helps?
>
> diff --git a/src/mesa/drivers/dri/i965/intel_buffer_objects.c b/src/mesa/drivers/dri/i965/intel_buffer_objects.c
> index ee591168283..9afd98edb87 100644
> --- a/src/mesa/drivers/dri/i965/intel_buffer_objects.c
> +++ b/src/mesa/drivers/dri/i965/intel_buffer_objects.c
> @@ -342,6 +342,7 @@ brw_get_buffer_subdata(struct gl_context *ctx,
>
>     unsigned int map_flags = MAP_READ;
>     mem_copy_fn memcpy_fn = memcpy;
> +#ifdef USE_SSE4_1

I don't think anything is defining USE_SSE4_1 in mesa, so you are
disabling this code for everyone.

>     if (!intel_obj->buffer->cache_coherent && cpu_has_sse4_1) {
>        /* Rather than acquire a new WB mmaping of the buffer object and pull
>         * it into the CPU cache, keep using the WC mmap that we have for writes,
> @@ -350,6 +351,7 @@ brw_get_buffer_subdata(struct gl_context *ctx,
>        map_flags |= MAP_COHERENT;
>        memcpy_fn = (mem_copy_fn) _mesa_streaming_load_memcpy;
>     }
> +#endif
>
>     void *map = brw_bo_map(brw, intel_obj->buffer, map_flags);
>     if (unlikely(!map)) {
> --
> 2.14.0

Gražvydas