Rework encode time measure…

EtcLib/Etc/Etc.cpp

@@ -50,7 +50,7 @@ namespace Etc
 		*a_puiEncodingBitsBytes = image.GetEncodingBitsBytes();
 		*a_puiExtendedWidth = image.GetExtendedWidth();
 		*a_puiExtendedHeight = image.GetExtendedHeight();
-		*a_piEncodingTime_ms = image.GetEncodingTimeMs();
+		*a_piEncodingTime_ms = image.GetEncodingTime().count();
 	}
 
 	void EncodeMipmaps(float *a_pafSourceRGBA,
@@ -101,7 +101,7 @@ namespace Etc
 			a_pMipmapImages[mip].uiExtendedWidth = image.GetExtendedWidth();
 			a_pMipmapImages[mip].uiExtendedHeight = image.GetExtendedHeight();
 
-			totalEncodingTime += image.GetEncodingTimeMs();
+			totalEncodingTime += image.GetEncodingTime().count();
 			}
 
 			if(pMipImage)

EtcLib/Etc/EtcImage.cpp

@@ -105,7 +105,7 @@ namespace Etc
 		m_errormetric = a_errormetric;
 		m_fEffort = 0.0f;
 
-		m_iEncodeTime_ms = -1;
+		m_msEncodeTime = Milliseconds::zero();
 
 		m_iNumOpaquePixels = 0;
 		m_iNumTranslucentPixels = 0;
@@ -157,7 +157,7 @@ namespace Etc
 		m_errormetric = a_errormetric;
 		m_fEffort = 0.0f;
 		m_bVerboseOutput = false;
-		m_iEncodeTime_ms = -1;
+		m_msEncodeTime = Milliseconds::zero();
 
 		unsigned char *paucEncodingBits = m_paucEncodingBits;
 		unsigned int uiEncodingBitsBytesPerBlock = Block4x4EncodingBits::GetBytesPerBlock(m_encodingbitsformat);
@@ -206,7 +206,7 @@ namespace Etc
 	Image::EncodingStatus Image::Encode(Format a_format, ErrorMetric a_errormetric, float a_fEffort, unsigned int a_uiJobs, unsigned int a_uiMaxJobs)
 	{
 
-		auto start = std::chrono::steady_clock::now();
+		auto const start = std::chrono::steady_clock::now();
 
 		m_encodingStatus = EncodingStatus::SUCCESS;
 
@@ -362,9 +362,9 @@ namespace Etc
 			handle[i].get();
 		}
 
-		auto end = std::chrono::steady_clock::now();
-		std::chrono::milliseconds elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(end - start);
-		m_iEncodeTime_ms = (int)elapsed.count();
+		auto const end = std::chrono::steady_clock::now();
+		auto const elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(end - start);
+		m_msEncodeTime = elapsed;
 
 		delete[] handle;
 		delete m_psortedblocklist;

EtcLib/Etc/EtcImage.h

@@ -16,6 +16,8 @@
 
 #pragma once
 
+#include <chrono>
+
 //#include "Etc.h"
 #include "EtcColorFloatRGBA.h"
 #include "EtcBlock4x4EncodingBits.h"
@@ -31,6 +33,7 @@ namespace Etc
     class Image
     {
     public:
+		using Milliseconds = std::chrono::milliseconds;
 
 		//the differnt warning and errors that can come up during encoding
 		enum  EncodingStatus
@@ -142,9 +145,9 @@ namespace Etc
 			return m_uiEncodingBitsBytes;
 		}
 
-		inline int GetEncodingTimeMs(void)
+		inline Milliseconds GetEncodingTime(void)
 		{
-			return m_iEncodeTime_ms;
+			return m_msEncodeTime;
 		}
 
 		float GetError(void);
@@ -237,7 +240,7 @@ namespace Etc
 		ErrorMetric m_errormetric;
 		float m_fEffort;
 		// stats
-		int m_iEncodeTime_ms;
+		Milliseconds m_msEncodeTime;
 
 		SortedBlockList *m_psortedblocklist;
 		//this will hold any warning or errors that happen during encoding

EtcTool/EtcAnalysis.cpp

@@ -94,7 +94,7 @@ namespace Etc
 					fprintf(apfile[i], "PSNR(rgba) = %.4f\n", ConvertErrorToPSNR(fImageError, (iComponents+1) * uiImagePixels));
 				}
 
-				fprintf(apfile[i], "EncodeTime = %.3f seconds\n", (float)m_pimage->GetEncodingTimeMs() / 1000.0f);
+				fprintf(apfile[i], "EncodeTime = %.3f seconds\n", (float)m_pimage->GetEncodingTime().count() / 1000.0f);
 			}
 
 

EtcTool/EtcMemTest.cpp

@@ -237,7 +237,7 @@ int RunMemTest(bool verboseOutput, size_t numTestIterations)
 			encStatus = image.Encode(format, e_ErrMetric, curEffort, jobs, MAX_JOBS);
 			if (verboseOutput)
 			{
-				printf("  encode time = %dms\n", image.GetEncodingTimeMs());
+				printf("  encode time = %dms\n", image.GetEncodingTime().count());
 				printf("EncodedImage: %s\n", outFile.c_str());
 				printf("status bitfield: %u\n", encStatus);
 			}

EtcTool/EtcTool.cpp

@@ -264,7 +264,7 @@ int main(int argc, const char * argv[])
 		encStatus = image.Encode(commands.format, commands.e_ErrMetric, commands.fEffort, commands.uiJobs,MAX_JOBS);
 		if (commands.verboseOutput)
 		{
-			printf("  encode time = %dms\n", image.GetEncodingTimeMs());
+			printf("  encode time = %dms\n", image.GetEncodingTime().count());
 			printf("EncodedImage: %s\n", commands.pstrOutputFilename);
 			printf("status bitfield: %u\n", encStatus);
 		}