Looks good.

Marek

On Fri, Mar 25, 2016 at 2:43 AM, Bas Nieuwenhuizen
<b...@basnieuwenhuizen.nl> wrote:
> Currently radeonsi synchronizes after every dispatch and Clover
> does nothing to synchronize. This is overzealous, especially with
> GL compute, so add a barrier for global buffers.
>
> Signed-off-by: Bas Nieuwenhuizen <b...@basnieuwenhuizen.nl>
> ---
>  src/gallium/include/pipe/p_defines.h              | 1 +
>  src/gallium/state_trackers/clover/core/kernel.cpp | 2 ++
>  2 files changed, 3 insertions(+)
>
> diff --git a/src/gallium/include/pipe/p_defines.h 
> b/src/gallium/include/pipe/p_defines.h
> index 8257b4a..6f30f9e 100644
> --- a/src/gallium/include/pipe/p_defines.h
> +++ b/src/gallium/include/pipe/p_defines.h
> @@ -368,6 +368,7 @@ enum pipe_flush_flags
>  #define PIPE_BARRIER_IMAGE             (1 << 8)
>  #define PIPE_BARRIER_FRAMEBUFFER       (1 << 9)
>  #define PIPE_BARRIER_STREAMOUT_BUFFER  (1 << 10)
> +#define PIPE_BARRIER_GLOBAL_BUFFER     (1 << 11)
>
>  /**
>   * Resource binding flags -- state tracker must specify in advance all
> diff --git a/src/gallium/state_trackers/clover/core/kernel.cpp 
> b/src/gallium/state_trackers/clover/core/kernel.cpp
> index bce3b52..266d50e 100644
> --- a/src/gallium/state_trackers/clover/core/kernel.cpp
> +++ b/src/gallium/state_trackers/clover/core/kernel.cpp
> @@ -89,6 +89,8 @@ kernel::launch(command_queue &q,
>                               exec.sviews.size(), NULL);
>     q.pipe->bind_sampler_states(q.pipe, PIPE_SHADER_COMPUTE, 0,
>                                 exec.samplers.size(), NULL);
> +
> +   q.pipe->memory_barrier(q.pipe, PIPE_BARRIER_GLOBAL_BUFFER);
>     exec.unbind();
>  }
>
> --
> 2.7.4
>
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