gallium: do not increase ref count of the new throttle fence
A new throttle fence was initialized to 1, and increased by 1 again when it's put in drawable->throttle_fence; the ref was decreased by 1 when it's removed from drawable->throttle_fence, and never reached to 0, caused leak. Fixes: ff77bf5cbf7 ("gallium: simplify throttle implementation") Closes: https://gitlab.freedesktop.org/mesa/mesa/issues/1949 Signed-off-by: James Xiong <james.xiong@intel.com> Reported-by: Florian Wesch <fw@info-beamer.com> Reviewed-by: Jose Maria Casanova Crespo <jmcasanova@igalia.com>
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@ -489,9 +489,11 @@ dri_flush(__DRIcontext *cPriv,
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st->flush(st, flush_flags, &new_fence);
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/* throttle on the previous fence */
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if (drawable->throttle_fence)
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if (drawable->throttle_fence) {
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screen->fence_finish(screen, NULL, drawable->throttle_fence, PIPE_TIMEOUT_INFINITE);
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screen->fence_reference(screen, &drawable->throttle_fence, new_fence);
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screen->fence_reference(screen, &drawable->throttle_fence, NULL);
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}
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drawable->throttle_fence = new_fence;
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}
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else if (flags & (__DRI2_FLUSH_DRAWABLE | __DRI2_FLUSH_CONTEXT)) {
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st->flush(st, flush_flags, NULL);
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