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vo_gpu: vulkan: reword comment 

This is fixed upstream (and we now know it's a driver bug) so reword the
comment.
This commit is contained in:
Niklas Haas 2017-09-29 00:48:39 +02:00
parent 22311a767d
commit f6fd2a05c4
1 changed files with 4 additions and 3 deletions
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7
video/out/vulkan/context.c
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@ -477,9 +477,10 @@ static bool submit_frame(struct ra_swapchain *sw, const struct vo_frame *frame)
&p->frames_in_flight))
goto error;
// For some reason, nvidia absolutely shits itself when presenting from a
// full queue - so advance all of the cmdpool indices first and then do the
// present on an "empty" queue
// Older nvidia drivers can spontaneously combust when submitting to the
// same queue as we're rendering from, in a multi-queue scenario. Safest
// option is to cycle the queues first and then submit to the next queue.
// We can drop this hack in the future, I suppose.
vk_cmd_cycle_queues(vk);
struct vk_cmdpool *pool = vk->pool;
VkQueue queue = pool->queues[pool->qindex];