Mesa (main): zink: use pipe_resource::width0 for clamping ssbo sizes

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Module: Mesa
Branch: main
Commit: 9be640ff21e389c69b1ed266a73de7245273414f
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=9be640ff21e389c69b1ed266a73de7245273414f

Author: Mike Blumenkrantz <michael.blumenkrantz at gmail.com>
Date:   Thu May 13 08:53:04 2021 -0400

zink: use pipe_resource::width0 for clamping ssbo sizes

zink_resource_object::size is the size of the memory allocation, which
is effectively unrelated

Reviewed-by: Dave Airlie <airlied at redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11687>

---

 src/gallium/drivers/zink/zink_context.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gallium/drivers/zink/zink_context.c b/src/gallium/drivers/zink/zink_context.c
index a939933b8c3..0076942bb93 100644
--- a/src/gallium/drivers/zink/zink_context.c
+++ b/src/gallium/drivers/zink/zink_context.c
@@ -1128,7 +1128,7 @@ zink_set_shader_buffers(struct pipe_context *pctx,
          if (!ctx->descriptor_refs_dirty[p_stage == PIPE_SHADER_COMPUTE])
             zink_batch_reference_resource_rw(&ctx->batch, new_res, access & VK_ACCESS_SHADER_WRITE_BIT);
          ssbo->buffer_offset = buffers[i].buffer_offset;
-         ssbo->buffer_size = MIN2(buffers[i].buffer_size, new_res->obj->size - ssbo->buffer_offset);
+         ssbo->buffer_size = MIN2(buffers[i].buffer_size, new_res->base.b.width0 - ssbo->buffer_offset);
          util_range_add(&new_res->base.b, &new_res->valid_buffer_range, ssbo->buffer_offset,
                         ssbo->buffer_offset + ssbo->buffer_size);
          zink_fake_buffer_barrier(new_res, access,