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Made use of atomic variables

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In order to replace mutex-protected integer values (Performance
improvement)


Former-commit-id: d40ed2444111f00dab372f2371fe91cfd9cd2472
This commit is contained in:
Lynix
2013-05-03 23:12:58 +02:00
parent aa1399b750
commit 459c7a4d07
8 changed files with 41 additions and 118 deletions
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15
src/Nazara/Utility/Image.cpp
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@@ -54,11 +54,7 @@ NzResource(image),
m_sharedImage(image.m_sharedImage)
{
if (m_sharedImage != &emptyImage)
{
NazaraMutexLock(m_sharedImage->mutex);
m_sharedImage->refCount++;
NazaraMutexUnlock(m_sharedImage->mutex);
}
}
NzImage::NzImage(NzImage&& image) noexcept :
@@ -1220,11 +1216,7 @@ NzImage& NzImage::operator=(const NzImage& image)
m_sharedImage = image.m_sharedImage;
if (m_sharedImage != &emptyImage)
{
NazaraMutexLock(m_sharedImage->mutex);
m_sharedImage->refCount++;
NazaraMutexUnlock(m_sharedImage->mutex);
}
return *this;
}
@@ -1294,7 +1286,6 @@ void NzImage::EnsureOwnership()
if (m_sharedImage == &emptyImage)
return;
NazaraLock(m_sharedImage->mutex);
if (m_sharedImage->refCount > 1)
{
m_sharedImage->refCount--;
@@ -1316,11 +1307,7 @@ void NzImage::ReleaseImage()
if (m_sharedImage == &emptyImage)
return;
NazaraMutexLock(m_sharedImage->mutex);
bool freeSharedImage = (--m_sharedImage->refCount == 0);
NazaraMutexUnlock(m_sharedImage->mutex);
if (freeSharedImage)
if (--m_sharedImage->refCount == 0)
{
for (unsigned int i = 0; i < m_sharedImage->levelCount; ++i)
delete[] m_sharedImage->pixels[i];