GFSDK_HBAO+_distro_r3.0_cl20573789

1 files changed, 68 insertions, 0 deletions

diff --git a/samples/D3D11/src/GPUTimers.h b/samples/D3D11/src/GPUTimers.h
new file mode 100644
index 0000000..9fb2cdb
--- /dev/null
+++ b/samples/D3D11/src/GPUTimers.h
@@ -0,0 +1,68 @@
+/* 
+* Copyright (c) 2008-2016, NVIDIA CORPORATION. All rights reserved. 
+* 
+* NVIDIA CORPORATION and its licensors retain all intellectual property 
+* and proprietary rights in and to this software, related documentation 
+* and any modifications thereto. Any use, reproduction, disclosure or 
+* distribution of this software and related documentation without an express 
+* license agreement from NVIDIA CORPORATION is strictly prohibited. 
+*/
+
+#pragma once
+#pragma warning( disable : 4995 )
+#include <d3d11.h>
+#include <vector>
+
+typedef int RenderTimeId;
+
+//--------------------------------------------------------------------------------
+struct GPUTimerState
+{
+    bool TimestampQueryInFlight;
+    ID3D11Query* pGPUTimersBegin;
+    ID3D11Query* pGPUTimersEnd;
+    float GPUTimeInMS;
+};
+
+//--------------------------------------------------------------------------------
+class GPUTimers
+{
+public:
+    void Create(ID3D11Device* pD3DDevice, UINT NumTimers);
+    void Release();
+
+    void BeginFrame(ID3D11DeviceContext* pDeviceContext);
+    void EndFrame(ID3D11DeviceContext* pDeviceContext);
+
+    void StartTimer(ID3D11DeviceContext* pDeviceContext, UINT Id);
+    void StopTimer(ID3D11DeviceContext* pDeviceContext, UINT Id);
+
+    float GetGPUTimeInMS(UINT Id);
+
+protected:
+    bool m_DisjointQueryInFlight;
+    ID3D11Query* m_pDisjointTimestampQuery;
+    std::vector<GPUTimerState> m_Timers;
+};
+
+//--------------------------------------------------------------------------------
+class GPUTimer
+{
+public:
+    GPUTimer(GPUTimers* pGPUTimers, ID3D11DeviceContext* pDeviceContext, RenderTimeId Id)
+        : m_pGPUTimers(pGPUTimers)
+        , m_pDeviceContext(pDeviceContext)
+        , m_RenderTimeId(Id)
+    {
+        m_pGPUTimers->StartTimer(m_pDeviceContext, m_RenderTimeId);
+    }
+    ~GPUTimer()
+    {
+        m_pGPUTimers->StopTimer(m_pDeviceContext, m_RenderTimeId);
+    }
+
+private:
+    GPUTimers* m_pGPUTimers;
+    ID3D11DeviceContext* m_pDeviceContext;
+    RenderTimeId m_RenderTimeId;
+};