[PATCH v2] wined3d: Use query buffer objects for occlusion queries.

[Henri Verbeet]

On 26 September 2018 at 22:54, Andrew Wesie <awesie at gmail.com> wrote:
> Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=45723
> Signed-off-by: Andrew Wesie <awesie at gmail.com>
> ---
>
> v2: Remove QUERY_INVALID_VALUE. Instead, use two elements of results buffer.
>     Initialize the elements to different values, then update both of them with
>     the query result. Once the elements are equal, we know that we have the
>     result.
>
>  dlls/wined3d/adapter_gl.c      |   6 ++
>  dlls/wined3d/query.c           | 166 ++++++++++++++++++++++++++++++++++++-----
>  dlls/wined3d/wined3d_gl.h      |   2 +
>  dlls/wined3d/wined3d_private.h |   3 +
>  4 files changed, 158 insertions(+), 19 deletions(-)
>
Unfortunately this patch fails the tests, due to issues related to
handling query restarts. I've attached a slightly modified version
that does pass the tests for me. Does the attached patch work for you?
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