zink: handle device-local unsynchronized maps
this is only possible when tc determines the buffer is not in use and decides to return a pointer immediately, so just give back a staging buffer cc: mesa-stable Reviewed-by: Dave Airlie <airlied@redhat.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15979>
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@ -1506,6 +1506,15 @@ zink_buffer_map(struct pipe_context *pctx,
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ptr = map_resource(screen, res);
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ptr = map_resource(screen, res);
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ptr = ((uint8_t *)ptr) + trans->offset;
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ptr = ((uint8_t *)ptr) + trans->offset;
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}
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}
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} else if ((usage & PIPE_MAP_UNSYNCHRONIZED) && !res->obj->host_visible) {
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trans->offset = box->x % screen->info.props.limits.minMemoryMapAlignment;
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trans->staging_res = pipe_buffer_create(&screen->base, PIPE_BIND_LINEAR, PIPE_USAGE_STAGING, box->width + trans->offset);
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if (!trans->staging_res)
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goto fail;
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struct zink_resource *staging_res = zink_resource(trans->staging_res);
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res = staging_res;
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ptr = map_resource(screen, res);
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ptr = ((uint8_t *)ptr) + trans->offset;
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}
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}
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if (!(usage & PIPE_MAP_UNSYNCHRONIZED)) {
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if (!(usage & PIPE_MAP_UNSYNCHRONIZED)) {
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