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/*
* 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
#include "..\..\..\src\Renderer_DX11.h"
#pragma warning( disable : 4996 )
#pragma warning( disable : 4995 )
#define FRAME_COUNT 100
#define SAMPLE_COUNT 5
#if ENABLE_RENDER_TIMES
namespace D3D11
{
class GPUProfiler
{
public:
enum State
{
STATE_INIT,
STATE_RUN,
STATE_DONE,
};
GPUProfiler()
: m_State(STATE_INIT)
, m_FrameId(0)
, m_SampleId(0)
{
}
bool IsProfiling()
{
return (m_State == STATE_RUN);
}
bool IsDone()
{
return (m_State == STATE_DONE);
}
void StartProfiling()
{
m_State = STATE_RUN;
m_FrameId = 0;
}
void Tick(const GFSDK::SSAO::RenderTimes &RenderTimes, const char* FilenameCSV)
{
if (IsProfiling())
{
if (m_FrameId == FRAME_COUNT)
{
WriteSample(RenderTimes, FilenameCSV);
}
++m_FrameId;
}
}
private:
State m_State;
UINT m_FrameId;
UINT m_SampleId;
void WriteSample(const GFSDK::SSAO::RenderTimes &RenderTimes, const char* FilenameCSV)
{
if (m_SampleId == 0)
{
WriteHeader(FilenameCSV);
}
AppendTimings(RenderTimes, FilenameCSV);
if (++m_SampleId == SAMPLE_COUNT)
{
m_State = STATE_DONE;
}
else
{
StartProfiling();
}
}
void WriteHeader(const char* FilenameCSV)
{
FILE *fp = fopen(FilenameCSV, "w");
if (fp)
{
fprintf(fp,"Total,LinearizeZ,DeinterleaveZ,NearAO,FarAO,ReinterleaveAO,BlurX,BlurY\n");
fclose(fp);
}
}
void AppendTimings(const GFSDK::SSAO::RenderTimes &RenderTimes, const char* FilenameCSV)
{
FILE *fp = fopen(FilenameCSV, "a+");
if (fp)
{
fprintf(fp, "%0.2f,%0.2f,%0.2f,%0.2f,%0.2f,%0.2f,%0.2f,%0.2f\n",
RenderTimes.GPUTimeMS[GFSDK::SSAO::RENDER_PASS_0][GFSDK::SSAO::REGIME_TIME_TOTAL],
RenderTimes.GPUTimeMS[GFSDK::SSAO::RENDER_PASS_0][GFSDK::SSAO::REGIME_TIME_LINEAR_Z],
RenderTimes.GPUTimeMS[GFSDK::SSAO::RENDER_PASS_0][GFSDK::SSAO::REGIME_TIME_DEINTERLEAVE_Z],
RenderTimes.GPUTimeMS[GFSDK::SSAO::RENDER_PASS_0][GFSDK::SSAO::REGIME_TIME_NORMAL],
RenderTimes.GPUTimeMS[GFSDK::SSAO::RENDER_PASS_0][GFSDK::SSAO::REGIME_TIME_COARSE_AO],
RenderTimes.GPUTimeMS[GFSDK::SSAO::RENDER_PASS_0][GFSDK::SSAO::REGIME_TIME_INTERLEAVE_AO],
RenderTimes.GPUTimeMS[GFSDK::SSAO::RENDER_PASS_0][GFSDK::SSAO::REGIME_TIME_BLURX],
RenderTimes.GPUTimeMS[GFSDK::SSAO::RENDER_PASS_0][GFSDK::SSAO::REGIME_TIME_BLURY]);
fclose(fp);
}
}
};
} //namespace D3D11
#endif //ENABLE_RENDER_TIMES
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