On Fri, Jun 13, 2014 at 10:35:36PM +0200, Bruno Jiménez wrote:
> With this we can assure that mapped buffers will never change
> its position when relocating the pool.
>
> This patch should finally solve the mapping bug.
> ---
> src/gallium/drivers/r600/evergreen_compute.c | 10 ++++------
> 1 file changed, 4 insertions(+), 6 deletions(-)
>
> diff --git a/src/gallium/drivers/r600/evergreen_compute.c
> b/src/gallium/drivers/r600/evergreen_compute.c
> index 9123a40..e5967b5 100644
> --- a/src/gallium/drivers/r600/evergreen_compute.c
> +++ b/src/gallium/drivers/r600/evergreen_compute.c
> @@ -970,14 +970,12 @@ void *r600_compute_global_transfer_map(
> struct pipe_resource *dst;
> unsigned offset = box->x;
>
> - if (buffer->chunk->real_buffer) {
> - dst = (struct pipe_resource*)buffer->chunk->real_buffer;
> - }
> - else {
> - dst = (struct pipe_resource*)buffer->chunk->pool->bo;
> - offset += (buffer->chunk->start_in_dw * 4);
> + if (buffer->chunk->start_in_dw != -1) {
We could use the is_item_in_pool() helper here that I mentioned in an
earlier patch.
> + compute_memory_demote_item(pool, buffer->chunk, ctx_);
> }
>
> + dst = (struct pipe_resource*)buffer->chunk->real_buffer;
> +
> if (usage & PIPE_TRANSFER_READ)
> buffer->chunk->status |= ITEM_MAPPED_FOR_READING;
>
> --
> 2.0.0
>
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