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[D3D12] d3d12_queue_priority cvar

This commit is contained in:
Triang3l 2020-05-04 18:55:31 +03:00
parent 62919330b9
commit 8f91e580f4
2 changed files with 56 additions and 5 deletions
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60
src/xenia/ui/d3d12/d3d12_provider.cc
View File

@ -22,6 +22,12 @@ DEFINE_int32(d3d12_adapter, -1,
"Index of the DXGI adapter to use. "
"-1 for any physical adapter, -2 for WARP software rendering.",
"D3D12");
DEFINE_int32(
d3d12_queue_priority, 1,
"Graphics (direct) command queue scheduling priority, 0 - normal, 1 - "
"high, 2 - global realtime (requires administrator privileges, may impact "
"system responsibility)",
"D3D12");
namespace xe {
namespace ui {
@ -80,6 +86,25 @@ D3D12Provider::~D3D12Provider() {
}
}
bool D3D12Provider::EnableIncreaseBasePriorityPrivilege() {
TOKEN_PRIVILEGES privileges;
privileges.PrivilegeCount = 1;
privileges.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
if (!LookupPrivilegeValue(nullptr, SE_INC_BASE_PRIORITY_NAME,
&privileges.Privileges[0].Luid)) {
return false;
}
HANDLE token;
if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES, &token)) {
return false;
}
bool enabled = AdjustTokenPrivileges(token, FALSE, &privileges,
sizeof(privileges), nullptr, nullptr) &&
GetLastError() != ERROR_NOT_ALL_ASSIGNED;
CloseHandle(token);
return enabled;
}
bool D3D12Provider::Initialize() {
// Load the libraries.
library_dxgi_ = LoadLibraryW(L"dxgi.dll");
@ -203,16 +228,41 @@ bool D3D12Provider::Initialize() {
// Create the command queue for graphics.
D3D12_COMMAND_QUEUE_DESC queue_desc;
queue_desc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
queue_desc.Priority = D3D12_COMMAND_QUEUE_PRIORITY_NORMAL;
if (cvars::d3d12_queue_priority >= 2) {
queue_desc.Priority = D3D12_COMMAND_QUEUE_PRIORITY_GLOBAL_REALTIME;
if (!EnableIncreaseBasePriorityPrivilege()) {
XELOGD3D(
"Failed to enable SeIncreaseBasePriorityPrivilege for global "
"realtime Direct3D 12 command queue priority, falling back to high "
"priority, try launching Xenia as administrator");
queue_desc.Priority = D3D12_COMMAND_QUEUE_PRIORITY_HIGH;
}
} else if (cvars::d3d12_queue_priority >= 1) {
queue_desc.Priority = D3D12_COMMAND_QUEUE_PRIORITY_HIGH;
} else {
queue_desc.Priority = D3D12_COMMAND_QUEUE_PRIORITY_NORMAL;
}
queue_desc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
queue_desc.NodeMask = 0;
ID3D12CommandQueue* direct_queue;
if (FAILED(device->CreateCommandQueue(&queue_desc,
IID_PPV_ARGS(&direct_queue)))) {
XELOGE("Failed to create a direct command queue");
device->Release();
dxgi_factory->Release();
return false;
bool queue_created = false;
if (queue_desc.Priority == D3D12_COMMAND_QUEUE_PRIORITY_GLOBAL_REALTIME) {
XELOGD3D(
"Failed to create a Direct3D 12 direct command queue with global "
"realtime priority, falling back to high priority, try launching "
"Xenia as administrator");
queue_desc.Priority = D3D12_COMMAND_QUEUE_PRIORITY_HIGH;
queue_created = SUCCEEDED(
device->CreateCommandQueue(&queue_desc, IID_PPV_ARGS(&direct_queue)));
}
if (!queue_created) {
XELOGE("Failed to create a Direct3D 12 direct command queue");
device->Release();
dxgi_factory->Release();
return false;
}
}
dxgi_factory_ = dxgi_factory;

1
src/xenia/ui/d3d12/d3d12_provider.h
View File

@ -97,6 +97,7 @@ class D3D12Provider : public GraphicsProvider {
private:
explicit D3D12Provider(Window* main_window);
static bool EnableIncreaseBasePriorityPrivilege();
bool Initialize();
HMODULE library_dxgi_ = nullptr;