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libs/vkd3d: Avoid race condition when destroying fences.

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This commit is contained in:
Józef Kucia 2017-06-26 17:03:31 +02:00
parent ae8d869013
commit be9849ace4
1 changed files with 35 additions and 0 deletions
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35
libs/vkd3d/command.c
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@ -59,6 +59,39 @@ static HRESULT vkd3d_queue_gpu_fence(struct vkd3d_fence_worker *worker,
return S_OK;
}
static void vkd3d_fence_worker_remove_fence(struct vkd3d_fence_worker *worker, ID3D12Fence *fence)
{
struct d3d12_device *device = worker->device;
const struct vkd3d_vk_device_procs *vk_procs = &device->vk_procs;
unsigned int i, j;
int rc;
if ((rc = pthread_mutex_lock(&worker->mutex)))
{
ERR("Failed to lock mutex, error %d.\n", rc);
return;
}
for (i = 0, j = 0; i < worker->fence_count; ++i)
{
if (worker->fences[i].fence == fence)
{
VK_CALL(vkDestroyFence(device->vk_device, worker->vk_fences[i], NULL));
continue;
}
if (i != j)
{
worker->vk_fences[j] = worker->vk_fences[i];
worker->fences[j] = worker->fences[i];
}
++j;
}
worker->fence_count = j;
pthread_mutex_unlock(&worker->mutex);
}
static void vkd3d_wait_for_gpu_fences(struct vkd3d_fence_worker *worker)
{
struct d3d12_device *device = worker->device;
@ -264,6 +297,8 @@ static ULONG STDMETHODCALLTYPE d3d12_fence_Release(ID3D12Fence *iface)
{
struct d3d12_device *device = fence->device;
vkd3d_fence_worker_remove_fence(&device->fence_worker, iface);
vkd3d_free(fence->events);
if ((rc = pthread_mutex_destroy(&fence->mutex)))
ERR("Failed to destroy mutex, error %d.\n", rc);