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0024405: TKernel - add aligned allocator class Standard_MMgrAligned

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New class NCollection_AlignedAllocator.
New macros STANDARD_ALIGNED.
New methods Standard::AllocateAligned() and Standard::FreeAligned().
Add missing Standard_EXPORT
This commit is contained in:
kgv
2014-04-03 16:31:35 +04:00
committed by apn
parent ad3217cd8d
commit acc625609d
7 changed files with 184 additions and 42 deletions
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42
src/Image/Image_PixMap.cxx
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@@ -14,43 +14,7 @@
// commercial license or contractual agreement.
#include <Image_PixMap.hxx>
#ifdef _MSC_VER
#include <malloc.h>
#elif (defined(__GNUC__) && __GNUC__ >= 4 && __GNUC_MINOR__ >= 1)
#include <mm_malloc.h>
#else
extern "C" int posix_memalign (void** thePtr, size_t theAlign, size_t theBytesCount);
#endif
template<typename TypePtr>
inline TypePtr MemAllocAligned (const Standard_Size& theBytesCount,
const Standard_Size& theAlign = 16)
{
#if defined(_MSC_VER)
return (TypePtr )_aligned_malloc (theBytesCount, theAlign);
#elif (defined(__GNUC__) && __GNUC__ >= 4 && __GNUC_MINOR__ >= 1)
return (TypePtr ) _mm_malloc (theBytesCount, theAlign);
#else
void* aPtr;
if (posix_memalign (&aPtr, theAlign, theBytesCount))
{
aPtr = NULL;
}
return (TypePtr )aPtr;
#endif
}
inline void MemFreeAligned (void* thePtrAligned)
{
#if defined(_MSC_VER)
_aligned_free (thePtrAligned);
#elif (defined(__GNUC__) && __GNUC__ >= 4 && __GNUC_MINOR__ >= 1)
_mm_free (thePtrAligned);
#else
free (thePtrAligned);
#endif
}
#include <Standard.hxx>
IMPLEMENT_STANDARD_HANDLE (Image_PixMap, Standard_Transient)
IMPLEMENT_STANDARD_RTTIEXT(Image_PixMap, Standard_Transient)
@@ -171,7 +135,7 @@ bool Image_PixMap::InitTrash (Image_PixMap::ImgFormat thePixelFormat,
// use argument only if it greater
myData.mySizeRowBytes = theSizeRowBytes;
}
myData.myDataPtr = MemAllocAligned<Standard_Byte*> (SizeBytes());
myData.myDataPtr = (Standard_Byte* )Standard::AllocateAligned (SizeBytes(), 16);
myIsOwnPointer = true;
setTopDown();
return myData.myDataPtr != NULL;
@@ -222,7 +186,7 @@ void Image_PixMap::Clear (Image_PixMap::ImgFormat thePixelFormat)
{
if (myIsOwnPointer && (myData.myDataPtr != NULL))
{
MemFreeAligned (myData.myDataPtr);
Standard::FreeAligned (myData.myDataPtr);
}
myData.myDataPtr = myData.myTopRowPtr = NULL;
myIsOwnPointer = true;