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vc4: Don't automatically reallocate a PERSISTENT-mapped buffer.
authorEric Anholt <eric@anholt.net>
Wed, 11 Jul 2018 18:23:36 +0000 (11:23 -0700)
committerEric Anholt <eric@anholt.net>
Thu, 12 Jul 2018 18:31:08 +0000 (11:31 -0700)
I had mistakenly used the COHERENT flag, which can only be set when
PERSISTENT is mapped, but isn't always.

Fixes: a2014c2eb9e0 ("vc4: Simplify the DISCARD_RANGE handling")
src/gallium/drivers/vc4/vc4_resource.c patch | blob | history

diff --git a/src/gallium/drivers/vc4/vc4_resource.c b/src/gallium/drivers/vc4/vc4_resource.c
index 3ea45ba080b31f16dffd24c921f3b1c1e005d60a..4392b5943a9411967d788d3f7cd85b116c30376d 100644 (file)
--- a/src/gallium/drivers/vc4/vc4_resource.c
+++ b/src/gallium/drivers/vc4/vc4_resource.c
@@ -161,7 +161,7 @@ vc4_resource_transfer_map(struct pipe_context *pctx,
          */
         if ((usage & PIPE_TRANSFER_DISCARD_RANGE) &&
             !(usage & PIPE_TRANSFER_UNSYNCHRONIZED) &&
-            !(prsc->flags & PIPE_RESOURCE_FLAG_MAP_COHERENT) &&
+            !(prsc->flags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT) &&
             prsc->last_level == 0 &&
             prsc->width0 == box->width &&
             prsc->height0 == box->height &&