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| author | assiduous <assiduous@diligentgraphics.com> | 2021-03-14 02:57:23 +0000 |
|---|---|---|
| committer | assiduous <assiduous@diligentgraphics.com> | 2021-03-19 00:38:22 +0000 |
| commit | ae289a9d49ab469a5fc1962274b4b0fd7eb8dfb1 (patch) | |
| tree | 236cb6dabd2f0a5b2a9dc720f1b36b97a330ebf4 /Graphics/GraphicsEngine | |
| parent | Reworked CommandListBase to use EngineImplTraits like the rest of the base cl... (diff) | |
| download | DiligentCore-ae289a9d49ab469a5fc1962274b4b0fd7eb8dfb1.tar.gz DiligentCore-ae289a9d49ab469a5fc1962274b4b0fd7eb8dfb1.zip | |
Unified fence implementations in all backends
Diffstat (limited to 'Graphics/GraphicsEngine')
| -rw-r--r-- | Graphics/GraphicsEngine/include/FenceBase.hpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Graphics/GraphicsEngine/include/FenceBase.hpp b/Graphics/GraphicsEngine/include/FenceBase.hpp index 0bcaae36..e9dc0f9f 100644 --- a/Graphics/GraphicsEngine/include/FenceBase.hpp +++ b/Graphics/GraphicsEngine/include/FenceBase.hpp @@ -30,6 +30,8 @@ /// \file /// Implementation of the Diligent::FenceBase template class +#include <atomic> + #include "DeviceObjectBase.hpp" #include "GraphicsTypes.h" #include "RefCntAutoPtr.hpp" @@ -66,6 +68,18 @@ public: } IMPLEMENT_QUERY_INTERFACE_IN_PLACE(IID_Fence, TDeviceObjectBase) + +protected: + void UpdateLastCompletedFenceValue(uint64_t NewValue) + { + auto LastCompletedValue = m_LastCompletedFenceValue.load(); + while (!m_LastCompletedFenceValue.compare_exchange_strong(LastCompletedValue, std::max(LastCompletedValue, NewValue))) + { + // If exchange fails, LastCompletedValue will hold the actual value of m_LastCompletedFenceValue. + } + } + + std::atomic_uint64_t m_LastCompletedFenceValue{0}; }; } // namespace Diligent |