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Deferred device destroy #2134

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Deferred device destroy #2134

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f1f4b01
vkd3d: Add support for pthread_detach on Win32.
HansKristian-Work Sep 25, 2024
9b98cc3
vkd3d: Add config flag for deferred destruction of ID3D12Device.
HansKristian-Work Sep 25, 2024
59cb0aa
vkd3d: Add workaround for Test Drive Unlimited Solar Crown.
HansKristian-Work Sep 25, 2024
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18 changes: 17 additions & 1 deletion include/private/vkd3d_threads.h
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,7 @@ struct pthread

HMODULE d3d12core_reference;
HMODULE dxgi_reference;
LONG refcount;
};
typedef struct pthread *pthread_t;

Expand Down Expand Up @@ -80,10 +81,16 @@ static DWORD WINAPI win32_thread_wrapper_routine(void *arg)
/* We are executing in d3d12core.dll here, so we have to use the atomic FreeLibraryAndExit thread to make this work. */
if (thread->d3d12core_reference)
{
HMODULE module_ref = thread->d3d12core_reference;
TRACE("Releasing module reference for d3d12core.dll and exiting thread: %p.\n", thread->d3d12core_reference);
FreeLibraryAndExitThread(thread->d3d12core_reference, 0);
if (!InterlockedDecrement(&thread->refcount))
vkd3d_free(thread);
FreeLibraryAndExitThread(module_ref, 0);
}

if (!InterlockedDecrement(&thread->refcount))
vkd3d_free(thread);

/* Otherwise, fall back to the implicit ExitThread(). */
return 0;
}
Expand All @@ -97,6 +104,7 @@ static inline int pthread_create(pthread_t *out_thread, void *attr, void * (*thr
(void)attr;
thread->routine = thread_fun;
thread->arg = arg;
thread->refcount = 2;

/* Need GetModuleHandleEx which lets us get a refcount. */
if (!GetModuleHandleExA(0, "d3d12core.dll", &thread->d3d12core_reference))
Expand Down Expand Up @@ -134,6 +142,14 @@ static inline int pthread_join(pthread_t thread, void **ret)
return success ? 0 : -1;
}

static inline int pthread_detach(pthread_t thread)
{
CloseHandle(thread->thread);
if (!InterlockedDecrement(&thread->refcount))
vkd3d_free(thread);
return 0;
}

static inline int pthread_mutex_init(pthread_mutex_t *lock, void *attr)
{
(void)attr;
Expand Down
1 change: 1 addition & 0 deletions include/vkd3d.h
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Original file line number Diff line number Diff line change
Expand Up @@ -108,6 +108,7 @@ extern "C" {
#define VKD3D_CONFIG_FLAG_NO_STAGGERED_SUBMIT (1ull << 50)
#define VKD3D_CONFIG_FLAG_CLEAR_UAV_SYNC (1ull << 51)
#define VKD3D_CONFIG_FLAG_FORCE_DYNAMIC_MSAA (1ull << 52)
#define VKD3D_CONFIG_FLAG_DELAY_DEVICE_DESTRUCTION (1ull << 53)

struct vkd3d_instance;

Expand Down
40 changes: 38 additions & 2 deletions libs/vkd3d/device.c
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Original file line number Diff line number Diff line change
Expand Up @@ -615,6 +615,10 @@ static const struct vkd3d_instance_application_meta application_override[] = {
{ VKD3D_STRING_COMPARE_STARTS_WITH, "tlou-i", VKD3D_CONFIG_FLAG_NO_STAGGERED_SUBMIT, 0 },
/* Skull and Bones (2853730). Seems to require unsupported dcomp when reflex is enabled for some reason *shrug */
{ VKD3D_STRING_COMPARE_EXACT, "skullandbones.exe", 0, 0, VKD3D_APPLICATION_FEATURE_DISABLE_NV_REFLEX },
/* Test Drive Unlimited Solar Crown (1249970).
* Device releases ID3D12Device too many times, leading to subsequent crash on fence release.
* Appears to hang on Windows though, so ... */
{ VKD3D_STRING_COMPARE_EXACT, "TDUSC.exe", VKD3D_CONFIG_FLAG_DELAY_DEVICE_DESTRUCTION, 0 },
/* Unreal Engine catch-all. ReBAR is a massive uplift on RX 7600 for example in Wukong.
* AMD windows drivers also seem to have some kind of general app-opt for UE titles.
* Use no-staggered-submit by default on UE. We've only observed issues in Wukong here, but
Expand Down Expand Up @@ -3531,6 +3535,20 @@ ULONG d3d12_device_add_ref_common(struct d3d12_device *device)
return InterlockedIncrement(&device->refcount);
}

static void *device_destroy_thread(void *args)
{
struct d3d12_device *device = args;
#ifdef _WIN32
Sleep(1000);
#else
sleep(1);
#endif
INFO("Destroying device in a delayed way.\n");
d3d12_device_destroy(device);
vkd3d_free_aligned(device);
return NULL;
}

ULONG d3d12_device_release_common(struct d3d12_device *device)
{
ULONG cur_refcount, cas_refcount;
Expand Down Expand Up @@ -3559,8 +3577,26 @@ ULONG d3d12_device_release_common(struct d3d12_device *device)
if (cur_refcount == 1)
{
d3d12_remove_device_singleton(device->adapter_luid);
d3d12_device_destroy(device);
vkd3d_free_aligned(device);

if (vkd3d_config_flags & VKD3D_CONFIG_FLAG_DELAY_DEVICE_DESTRUCTION)
{
pthread_t thr;
INFO("Device hit 0 ref-count, but deferring destruction due to config flag.\n");
/* Workaround buggy games that release too many device references before all child objects
* are destroyed. This crashes native Windows too. */
if (pthread_create(&thr, NULL, device_destroy_thread, device))
{
d3d12_device_destroy(device);
vkd3d_free_aligned(device);
}
else
pthread_detach(thr);
}
else
{
d3d12_device_destroy(device);
vkd3d_free_aligned(device);
}
}

if (is_locked)
Expand Down