Mesa (main): zink: clamp tbo creation to maxTexelBufferElements

[GitLab Mirror]

Module: Mesa
Branch: main
Commit: 27d405dc2fddb5b814476a4e055358fd1efa7a4d
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=27d405dc2fddb5b814476a4e055358fd1efa7a4d

Author: Mike Blumenkrantz <michael.blumenkrantz at gmail.com>
Date:   Tue Jan 18 13:06:55 2022 -0500

zink: clamp tbo creation to maxTexelBufferElements

for sparse buffers, the total buffer size will be huge, so this needs
to only be the limit that the driver can support to avoid crashing
or whatever

cc: mesa-stable

Reviewed-by: Dave Airlie <airlied at redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14692>

---

 src/gallium/drivers/zink/zink_context.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/gallium/drivers/zink/zink_context.c b/src/gallium/drivers/zink/zink_context.c
index fbc019aad84..86fb7c8d045 100644
--- a/src/gallium/drivers/zink/zink_context.c
+++ b/src/gallium/drivers/zink/zink_context.c
@@ -656,6 +656,9 @@ create_bvci(struct zink_context *ctx, struct zink_resource *res, enum pipe_forma
    assert(bvci.format);
    bvci.offset = offset;
    bvci.range = !offset && range == res->base.b.width0 ? VK_WHOLE_SIZE : range;
+   uint32_t clamp = util_format_get_blocksize(format) * screen->info.props.limits.maxTexelBufferElements;
+   if (bvci.range == VK_WHOLE_SIZE && res->base.b.width0 > clamp)
+      bvci.range = clamp;
    bvci.flags = 0;
    return bvci;
 }