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Partition compression code into separate functions.

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This commit is contained in:
Pavel Krajcevski 2012-09-19 18:06:21 -04:00
parent 2fa4da80ed
commit 72c44f51d1
1 changed files with 67 additions and 36 deletions
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103
Core/src/TexComp.cpp
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@ -57,6 +57,71 @@ static void ReportError(const char *msg) {
fprintf(stderr, "TexComp -- %s\n", msg);
}
static double CompressImageInSerial(
const ImageFile &img,
const SCompressionSettings &settings,
const CompressionFunc f,
unsigned char *outBuf
) {
double cmpTimeTotal = 0.0;
for(int i = 0; i < settings.iNumCompressions; i++) {
StopWatch stopWatch = StopWatch();
stopWatch.Reset();
stopWatch.Start();
(*f)(img.GetPixels(), outBuf, img.GetWidth(), img.GetHeight());
stopWatch.Stop();
cmpTimeTotal += stopWatch.TimeInMilliseconds();
}
double cmpTime = cmpTimeTotal / double(settings.iNumCompressions);
return cmpTime;
}
static double CompressImageWithThreads(
const ImageFile &img,
const SCompressionSettings &settings,
const CompressionFunc f,
unsigned char *outBuf
) {
ThreadGroup tgrp (settings.iNumThreads, img, f, outBuf);
if(!(tgrp.PrepareThreads())) {
assert(!"Thread group failed to prepare threads?!");
return NULL;
}
double cmpTimeTotal = 0.0;
for(int i = 0; i < settings.iNumCompressions; i++) {
if(i > 0)
tgrp.PrepareThreads();
tgrp.Start();
tgrp.Join();
StopWatch stopWatch = tgrp.GetStopWatch();
cmpTimeTotal += tgrp.GetStopWatch().TimeInMilliseconds();
}
tgrp.CleanUpThreads();
double cmpTime = cmpTimeTotal / double(settings.iNumCompressions);
return cmpTime;
}
static double CompressImageWithWorkerQueue(
const ImageFile &img,
const SCompressionSettings &settings,
const CompressionFunc f,
unsigned char *outBuf
) {
return 0.0;
}
CompressedImage * CompressImage(
const ImageFile &img,
const SCompressionSettings &settings
@ -95,44 +160,10 @@ CompressedImage * CompressImage(
double cmpMSTime = 0.0;
if(settings.iNumThreads > 1) {
ThreadGroup tgrp (settings.iNumThreads, img, f, cmpData);
if(!(tgrp.PrepareThreads())) {
assert(!"Thread group failed to prepare threads?!");
return NULL;
}
double cmpTimeTotal = 0.0;
for(int i = 0; i < settings.iNumCompressions; i++) {
if(i > 0)
tgrp.PrepareThreads();
tgrp.Start();
tgrp.Join();
StopWatch stopWatch = tgrp.GetStopWatch();
cmpTimeTotal += tgrp.GetStopWatch().TimeInMilliseconds();
}
cmpMSTime = cmpTimeTotal / double(settings.iNumCompressions);
tgrp.CleanUpThreads();
cmpMSTime = CompressImageWithThreads(img, settings, f, cmpData);
}
else {
double cmpTimeTotal = 0.0;
for(int i = 0; i < settings.iNumCompressions; i++) {
StopWatch stopWatch = StopWatch();
stopWatch.Reset();
stopWatch.Start();
(*f)(img.GetPixels(), cmpData, img.GetWidth(), img.GetHeight());
stopWatch.Stop();
cmpTimeTotal += stopWatch.TimeInMilliseconds();
}
cmpMSTime = cmpTimeTotal / double(settings.iNumCompressions);
cmpMSTime = CompressImageInSerial(img, settings, f, cmpData);
}
outImg = new CompressedImage(img.GetWidth(), img.GetHeight(), settings.format, cmpData);