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zink: only update swapchain readback cache on create if necessary

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minor optimization

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27553>
This commit is contained in:
Mike Blumenkrantz 2024-02-21 16:38:02 -05:00
parent 417a1986fb
commit 8fb83c0935
1 changed files with 1 additions and 1 deletions
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2
src/gallium/drivers/zink/zink_kopper.c
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@ -877,7 +877,7 @@ zink_kopper_acquire_readback(struct zink_context *ctx, struct zink_resource *res
VkResult ret = VK_SUCCESS;
if (++cdt->readback_counter >= ZINK_READBACK_THRESHOLD) {
if (kopper_ensure_readback(screen, res))
if (kopper_ensure_readback(screen, res) && cswap->images[res->obj->dt_idx].readback_needs_update)
zink_kopper_readback_update(ctx, res);
}
/* if this hasn't been presented or if it has data, use this as the readback target */