Module: Mesa
Branch: main
Commit: 9e5d927d22203e0dc22aa9b9381e6a9b64500048
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=9e5d927d22203e0dc22aa9b9381e6a9b64500048

Author: Mike Blumenkrantz <michael.blumenkra...@gmail.com>
Date:   Mon Apr 19 16:34:56 2021 -0400

zink: remove compute cruft from resource mapping

this used to sync the compute batch, now it does nothing

Reviewed-by: Dave Airlie <airl...@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10707>

---

 src/gallium/drivers/zink/zink_resource.c | 17 +++--------------
 1 file changed, 3 insertions(+), 14 deletions(-)

diff --git a/src/gallium/drivers/zink/zink_resource.c 
b/src/gallium/drivers/zink/zink_resource.c
index 7817003befc..80908a2b195 100644
--- a/src/gallium/drivers/zink/zink_resource.c
+++ b/src/gallium/drivers/zink/zink_resource.c
@@ -83,14 +83,6 @@ get_resource_usage(struct zink_resource *res)
    return batch_uses;
 }
 
-static void
-resource_sync_reads(struct zink_context *ctx, struct zink_resource *res)
-{
-   uint32_t reads = p_atomic_read(&res->obj->reads.usage);
-   assert(reads);
-   zink_wait_on_batch(ctx, reads);
-}
-
 static void
 resource_sync_writes_from_batch_usage(struct zink_context *ctx, struct 
zink_resource *res)
 {
@@ -1043,14 +1035,11 @@ zink_transfer_map(struct pipe_context *pctx,
          base = map_resource(screen, res);
          if (!base)
             return NULL;
-         /* special case compute reads since they aren't handled by 
zink_fence_wait() */
-         if (zink_resource_has_usage(res, ZINK_RESOURCE_ACCESS_READ))
-            resource_sync_reads(ctx, res);
          if (zink_resource_has_usage(res, ZINK_RESOURCE_ACCESS_RW)) {
-            if (usage & PIPE_MAP_READ)
-               resource_sync_writes_from_batch_usage(ctx, res);
-            else
+            if (usage & PIPE_MAP_WRITE)
                zink_fence_wait(pctx);
+            else
+               resource_sync_writes_from_batch_usage(ctx, res);
          }
          VkImageSubresource isr = {
             res->aspect,

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