Grigori Goronzy <g...@chown.ath.cx> writes:
> This flag is typically used to request pinned host memory, to avoid
> any copies between GPU and CPU.
>
> This improves throughput with an older OpenCL app which I unfortunately
> can't publish due to its licensing.
> ---
> src/gallium/state_trackers/clover/core/resource.cpp | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/src/gallium/state_trackers/clover/core/resource.cpp
> b/src/gallium/state_trackers/clover/core/resource.cpp
> index bcf87e1..8ed4c42 100644
> --- a/src/gallium/state_trackers/clover/core/resource.cpp
> +++ b/src/gallium/state_trackers/clover/core/resource.cpp
> @@ -137,6 +137,10 @@ root_resource::root_resource(clover::device &dev,
> memory_obj &obj,
> PIPE_BIND_TRANSFER_READ |
> PIPE_BIND_TRANSFER_WRITE);
>
> + if (obj.flags() & CL_MEM_ALLOC_HOST_PTR) {
> + info.usage = PIPE_USAGE_STAGING;
> + }
> +Thank you, Reviewed-by: Francisco Jerez <curroje...@riseup.net> > pipe = dev.pipe->resource_create(dev.pipe, &info); > if (!pipe) > throw error(CL_OUT_OF_RESOURCES); > -- > 1.9.1 > > _______________________________________________ > mesa-dev mailing list > mesa-dev@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/mesa-dev
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