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| /qemu/hw/display/ |
| H A D | virtio-gpu.c | b097b80b Mon Jun 12 02:13:58 GMT 2023 Keqian Zhu <zhukeqian1@huawei.com> virtio-gpu: Optimize 2D resource data transfer
The following points sometimes can reduce much data
to copy:
1. When width matches, we can transfer data with one
call of iov_to_buf().
2. Only the required height need to transfer, not
whole image.
Signed-off-by: Keqian Zhu <zhukeqian1@huawei.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20230612021358.25068-1-zhukeqian1@huawei.com>
b097b80b Mon Jun 12 02:13:58 GMT 2023 Keqian Zhu <zhukeqian1@huawei.com> virtio-gpu: Optimize 2D resource data transfer
The following points sometimes can reduce much data
to copy:
1. When width matches, we can transfer data with one
call of iov_to_buf().
2. Only the required height need to transfer, not
whole image.
Signed-off-by: Keqian Zhu <zhukeqian1@huawei.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20230612021358.25068-1-zhukeqian1@huawei.com>
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