mirror of https://github.com/doitsujin/dxvk
106 lines
2.2 KiB
C++
106 lines
2.2 KiB
C++
#pragma once
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#include "d3d10_include.h"
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namespace dxvk {
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/**
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* \brief Device lock
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*
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* Lightweight RAII wrapper that implements
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* a subset of the functionality provided by
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* \c std::unique_lock, with the goal of being
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* cheaper to construct and destroy.
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*/
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class D3D10DeviceLock {
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public:
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D3D10DeviceLock()
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: m_mutex(nullptr) { }
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D3D10DeviceLock(sync::RecursiveSpinlock& mutex)
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: m_mutex(&mutex) {
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mutex.lock();
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}
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D3D10DeviceLock(D3D10DeviceLock&& other)
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: m_mutex(other.m_mutex) {
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other.m_mutex = nullptr;
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}
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D3D10DeviceLock& operator = (D3D10DeviceLock&& other) {
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if (m_mutex)
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m_mutex->unlock();
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m_mutex = other.m_mutex;
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other.m_mutex = nullptr;
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return *this;
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}
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~D3D10DeviceLock() {
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if (unlikely(m_mutex != nullptr))
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m_mutex->unlock();
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}
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private:
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sync::RecursiveSpinlock* m_mutex;
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};
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/**
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* \brief D3D10 device and D3D11 context lock
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*
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* Can be queried from the D3D10 device or from
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* any D3D11 context in order to make individual
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* calls thread-safe. Provides methods to lock
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* the device or context explicitly.
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*/
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class D3D10Multithread : public ID3D10Multithread {
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public:
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D3D10Multithread(
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IUnknown* pParent,
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BOOL Protected,
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BOOL Force);
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~D3D10Multithread();
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ULONG STDMETHODCALLTYPE AddRef() final;
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ULONG STDMETHODCALLTYPE Release() final;
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HRESULT STDMETHODCALLTYPE QueryInterface(
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REFIID riid,
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void** ppvObject) final;
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void STDMETHODCALLTYPE Enter() final;
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void STDMETHODCALLTYPE Leave() final;
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BOOL STDMETHODCALLTYPE SetMultithreadProtected(
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BOOL bMTProtect) final;
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BOOL STDMETHODCALLTYPE GetMultithreadProtected() final;
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D3D10DeviceLock AcquireLock() {
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return unlikely(m_protected)
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? D3D10DeviceLock(m_mutex)
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: D3D10DeviceLock();
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}
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private:
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IUnknown* m_parent;
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BOOL m_protected;
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BOOL m_enabled;
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BOOL m_forced;
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sync::RecursiveSpinlock m_mutex;
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};
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} |