Revert "Removing tests which depend on wrap modes, in preparation for removing the wrap modes themselves."

This reverts commit 917d3b8c953c7fa6ceb3ab232dab54b78d57751c.
This commit is contained in:
David Williams 2015-02-28 09:59:28 +01:00
parent 416ae8eb7f
commit f262c0e8f5
3 changed files with 159 additions and 37 deletions

View File

@ -40,7 +40,7 @@ bool testVoxelValidator(const VolumeType* volData, const Vector3DInt32& v3dPos)
return false;
}
typename VolumeType::VoxelType voxel = volData->getVoxel(v3dPos);
typename VolumeType::VoxelType voxel = volData->getVoxel(v3dPos, WrapModes::Validate); // FIXME use templatised version of getVoxel(), but watch out for Linux compile issues.
if(voxel != 0)
{
return false;

View File

@ -42,16 +42,22 @@ inline int32_t cantorTupleFunction(int32_t previousResult, int32_t value)
/*
* Funtions for testing iteration in a forwards direction
*/
// We allow user provided offset in this function so we can test the case when all samples are inside a volume and also the case when some samples are outside.
// This is important because samplers are often slower when outside the volume as they have to fall back on directly accessing the volume data.
template <typename VolumeType>
int32_t testDirectAccessWithWrappingForwards(const VolumeType* volume)
int32_t testDirectAccessWithWrappingForwards(const VolumeType* volume, int lowXOffset, int lowYOffset, int lowZOffset, int highXOffset, int highYOffset, int highZOffset)
{
int32_t result = 0;
for(int z = volume->getEnclosingRegion().getLowerZ() + 1; z < volume->getEnclosingRegion().getUpperZ(); z++)
// If we know that we are only iterating over voxels internal to the volume then we can avoid calling the 'wrapping' function. This should be faster.
bool bAllVoxelsInternal = (lowXOffset > 0) && (lowYOffset > 0) && (lowZOffset > 0) && (highXOffset < 0) && (highYOffset < 0) && (highZOffset < 0);
for(int z = volume->getEnclosingRegion().getLowerZ() + lowZOffset; z <= volume->getEnclosingRegion().getUpperZ() + highZOffset; z++)
{
for(int y = volume->getEnclosingRegion().getLowerY() + 1; y < volume->getEnclosingRegion().getUpperY(); y++)
for(int y = volume->getEnclosingRegion().getLowerY() + lowYOffset; y <= volume->getEnclosingRegion().getUpperY() + highYOffset; y++)
{
for(int x = volume->getEnclosingRegion().getLowerX() + 1; x < volume->getEnclosingRegion().getUpperX(); x++)
for(int x = volume->getEnclosingRegion().getLowerX() + lowXOffset; x <= volume->getEnclosingRegion().getUpperX() + highXOffset; x++)
{
//Three level loop now processes 27 voxel neighbourhood
for(int innerZ = -1; innerZ <=1; innerZ++)
@ -59,9 +65,18 @@ int32_t testDirectAccessWithWrappingForwards(const VolumeType* volume)
for(int innerY = -1; innerY <=1; innerY++)
{
for(int innerX = -1; innerX <=1; innerX++)
{
// Deeply nested 'if', but this is just a unit test and we should still
// see some performance improvement by skipping the wrapping versions.
if(bAllVoxelsInternal)
{
result = cantorTupleFunction(result, volume->getVoxel(x + innerX, y + innerY, z + innerZ));
}
else
{
result = cantorTupleFunction(result, volume->getVoxel(x + innerX, y + innerY, z + innerZ, WrapModes::Border, 3));
}
}
}
}
//End of inner loops
@ -73,7 +88,7 @@ int32_t testDirectAccessWithWrappingForwards(const VolumeType* volume)
}
template <typename VolumeType>
int32_t testSamplersWithWrappingForwards(VolumeType* volume)
int32_t testSamplersWithWrappingForwards(VolumeType* volume, int lowXOffset, int lowYOffset, int lowZOffset, int highXOffset, int highYOffset, int highZOffset)
{
int32_t result = 0;
@ -86,14 +101,14 @@ int32_t testSamplersWithWrappingForwards(VolumeType* volume)
ySampler.setWrapMode(WrapModes::Border, 3);
zSampler.setWrapMode(WrapModes::Border, 3);
zSampler.setPosition(volume->getEnclosingRegion().getLowerX() + 1, volume->getEnclosingRegion().getLowerY() + 1, volume->getEnclosingRegion().getLowerZ() + 1);
for(int z = volume->getEnclosingRegion().getLowerZ() + 1; z < volume->getEnclosingRegion().getUpperZ(); z++)
zSampler.setPosition(volume->getEnclosingRegion().getLowerX() + lowXOffset, volume->getEnclosingRegion().getLowerY() + lowYOffset, volume->getEnclosingRegion().getLowerZ() + lowZOffset);
for(int z = volume->getEnclosingRegion().getLowerZ() + lowZOffset; z <= volume->getEnclosingRegion().getUpperZ() + highZOffset; z++)
{
ySampler = zSampler;
for(int y = volume->getEnclosingRegion().getLowerY() + 1; y < volume->getEnclosingRegion().getUpperY(); y++)
for(int y = volume->getEnclosingRegion().getLowerY() + lowYOffset; y <= volume->getEnclosingRegion().getUpperY() + highYOffset; y++)
{
xSampler = ySampler;
for(int x = volume->getEnclosingRegion().getLowerX() + 1; x < volume->getEnclosingRegion().getUpperX(); x++)
for(int x = volume->getEnclosingRegion().getLowerX() + lowXOffset; x <= volume->getEnclosingRegion().getUpperX() + highXOffset; x++)
{
xSampler.setPosition(x, y, z); // HACK - Accessing a volume through multiple samplers currently breaks the PagedVolume.
@ -140,16 +155,22 @@ int32_t testSamplersWithWrappingForwards(VolumeType* volume)
/*
* Funtions for testing iteration in a backwards direction
*/
// We allow user provided offset in this function so we can test the case when all samples are inside a volume and also the case when some samples are outside.
// This is important because samplers are often slower when outside the volume as they have to fall back on directly accessing the volume data.
template <typename VolumeType>
int32_t testDirectAccessWithWrappingBackwards(const VolumeType* volume)
int32_t testDirectAccessWithWrappingBackwards(const VolumeType* volume, int lowXOffset, int lowYOffset, int lowZOffset, int highXOffset, int highYOffset, int highZOffset)
{
int32_t result = 0;
for(int z = volume->getEnclosingRegion().getUpperZ() - 1; z > volume->getEnclosingRegion().getLowerZ(); z--)
// If we know that we are only iterating over voxels internal to the volume then we can avoid calling the 'wrapping' function. This should be faster.
bool bAllVoxelsInternal = (lowXOffset > 0) && (lowYOffset > 0) && (lowZOffset > 0) && (highXOffset < 0) && (highYOffset < 0) && (highZOffset < 0);
for(int z = volume->getEnclosingRegion().getUpperZ() + highZOffset; z >= volume->getEnclosingRegion().getLowerZ() + lowZOffset; z--)
{
for(int y = volume->getEnclosingRegion().getUpperY() - 1; y > volume->getEnclosingRegion().getLowerY(); y--)
for(int y = volume->getEnclosingRegion().getUpperY() + highYOffset; y >= volume->getEnclosingRegion().getLowerY() + lowYOffset; y--)
{
for(int x = volume->getEnclosingRegion().getUpperX() - 1; x > volume->getEnclosingRegion().getLowerX(); x--)
for(int x = volume->getEnclosingRegion().getUpperX() + highXOffset; x >= volume->getEnclosingRegion().getLowerX() + lowXOffset; x--)
{
//Three level loop now processes 27 voxel neighbourhood
for(int innerZ = -1; innerZ <=1; innerZ++)
@ -157,9 +178,18 @@ int32_t testDirectAccessWithWrappingBackwards(const VolumeType* volume)
for(int innerY = -1; innerY <=1; innerY++)
{
for(int innerX = -1; innerX <=1; innerX++)
{
// Deeply nested 'if', but this is just a unit test and we should still
// see some performance improvement by skipping the wrapping versions.
if(bAllVoxelsInternal)
{
result = cantorTupleFunction(result, volume->getVoxel(x + innerX, y + innerY, z + innerZ));
}
else
{
result = cantorTupleFunction(result, volume->getVoxel(x + innerX, y + innerY, z + innerZ, WrapModes::Border, 3));
}
}
}
}
//End of inner loops
@ -171,7 +201,7 @@ int32_t testDirectAccessWithWrappingBackwards(const VolumeType* volume)
}
template <typename VolumeType>
int32_t testSamplersWithWrappingBackwards(VolumeType* volume)
int32_t testSamplersWithWrappingBackwards(VolumeType* volume, int lowXOffset, int lowYOffset, int lowZOffset, int highXOffset, int highYOffset, int highZOffset)
{
int32_t result = 0;
@ -184,14 +214,14 @@ int32_t testSamplersWithWrappingBackwards(VolumeType* volume)
ySampler.setWrapMode(WrapModes::Border, 3);
zSampler.setWrapMode(WrapModes::Border, 3);
zSampler.setPosition(volume->getEnclosingRegion().getUpperX() - 1, volume->getEnclosingRegion().getUpperY() - 1, volume->getEnclosingRegion().getUpperZ() - 1);
for (int z = volume->getEnclosingRegion().getUpperZ() - 1; z > volume->getEnclosingRegion().getLowerZ(); z--)
zSampler.setPosition(volume->getEnclosingRegion().getUpperX() + highXOffset, volume->getEnclosingRegion().getUpperY() + highYOffset, volume->getEnclosingRegion().getUpperZ() + highZOffset);
for(int z = volume->getEnclosingRegion().getUpperZ() + highZOffset; z >= volume->getEnclosingRegion().getLowerZ() + lowZOffset; z--)
{
ySampler = zSampler;
for (int y = volume->getEnclosingRegion().getUpperY() - 1; y > volume->getEnclosingRegion().getLowerY(); y--)
for(int y = volume->getEnclosingRegion().getUpperY() + highYOffset; y >= volume->getEnclosingRegion().getLowerY() + lowYOffset; y--)
{
xSampler = ySampler;
for (int x = volume->getEnclosingRegion().getUpperX() - 1; x > volume->getEnclosingRegion().getLowerX(); x--)
for(int x = volume->getEnclosingRegion().getUpperX() + highXOffset; x >= volume->getEnclosingRegion().getLowerX() + lowXOffset; x--)
{
xSampler.setPosition(x, y, z); // HACK - Accessing a volume through multiple samplers currently breaks the PagedVolume.
@ -280,9 +310,9 @@ void TestVolume::testRawVolumeDirectAccessAllInternalForwards()
QBENCHMARK
{
result = testDirectAccessWithWrappingForwards(m_pRawVolume);
result = testDirectAccessWithWrappingForwards(m_pRawVolume, 4, 2, 2, -3, -1, -2);
}
QCOMPARE(result, static_cast<int32_t>(199594219));
QCOMPARE(result, static_cast<int32_t>(1004598054));
}
void TestVolume::testRawVolumeSamplersAllInternalForwards()
@ -291,9 +321,31 @@ void TestVolume::testRawVolumeSamplersAllInternalForwards()
QBENCHMARK
{
result = testSamplersWithWrappingForwards(m_pRawVolume);
result = testSamplersWithWrappingForwards(m_pRawVolume, 4, 2, 2, -3, -1, -2);
}
QCOMPARE(result, static_cast<int32_t>(199594219));
QCOMPARE(result, static_cast<int32_t>(1004598054));
}
void TestVolume::testRawVolumeDirectAccessWithExternalForwards()
{
int32_t result = 0;
QBENCHMARK
{
result = testDirectAccessWithWrappingForwards(m_pRawVolume, -1, -3, -2, 2, 5, 4);
}
QCOMPARE(result, static_cast<int32_t>(-928601007));
}
void TestVolume::testRawVolumeSamplersWithExternalForwards()
{
int32_t result = 0;
QBENCHMARK
{
result = testSamplersWithWrappingForwards(m_pRawVolume, -1, -3, -2, 2, 5, 4);
}
QCOMPARE(result, static_cast<int32_t>(-928601007));
}
void TestVolume::testRawVolumeDirectAccessAllInternalBackwards()
@ -302,9 +354,9 @@ void TestVolume::testRawVolumeDirectAccessAllInternalBackwards()
QBENCHMARK
{
result = testDirectAccessWithWrappingBackwards(m_pRawVolume);
result = testDirectAccessWithWrappingBackwards(m_pRawVolume, 4, 2, 2, -3, -1, -2);
}
QCOMPARE(result, static_cast<int32_t>(-960618300));
QCOMPARE(result, static_cast<int32_t>(-269366578));
}
void TestVolume::testRawVolumeSamplersAllInternalBackwards()
@ -313,9 +365,31 @@ void TestVolume::testRawVolumeSamplersAllInternalBackwards()
QBENCHMARK
{
result = testSamplersWithWrappingBackwards(m_pRawVolume);
result = testSamplersWithWrappingBackwards(m_pRawVolume, 4, 2, 2, -3, -1, -2);
}
QCOMPARE(result, static_cast<int32_t>(-960618300));
QCOMPARE(result, static_cast<int32_t>(-269366578));
}
void TestVolume::testRawVolumeDirectAccessWithExternalBackwards()
{
int32_t result = 0;
QBENCHMARK
{
result = testDirectAccessWithWrappingBackwards(m_pRawVolume, -1, -3, -2, 2, 5, 4);
}
QCOMPARE(result, static_cast<int32_t>(-769775893));
}
void TestVolume::testRawVolumeSamplersWithExternalBackwards()
{
int32_t result = 0;
QBENCHMARK
{
result = testSamplersWithWrappingBackwards(m_pRawVolume, -1, -3, -2, 2, 5, 4);
}
QCOMPARE(result, static_cast<int32_t>(-769775893));
}
/*
@ -327,9 +401,9 @@ void TestVolume::testPagedVolumeDirectAccessAllInternalForwards()
int32_t result = 0;
QBENCHMARK
{
result = testDirectAccessWithWrappingForwards(m_pPagedVolume);
result = testDirectAccessWithWrappingForwards(m_pPagedVolume, 4, 2, 2, -3, -1, -2);
}
QCOMPARE(result, static_cast<int32_t>(199594219));
QCOMPARE(result, static_cast<int32_t>(1004598054));
}
void TestVolume::testPagedVolumeSamplersAllInternalForwards()
@ -337,9 +411,29 @@ void TestVolume::testPagedVolumeSamplersAllInternalForwards()
int32_t result = 0;
QBENCHMARK
{
result = testSamplersWithWrappingForwards(m_pPagedVolume);
result = testSamplersWithWrappingForwards(m_pPagedVolume, 4, 2, 2, -3, -1, -2);
}
QCOMPARE(result, static_cast<int32_t>(199594219));
QCOMPARE(result, static_cast<int32_t>(1004598054));
}
void TestVolume::testPagedVolumeDirectAccessWithExternalForwards()
{
int32_t result = 0;
QBENCHMARK
{
result = testDirectAccessWithWrappingForwards(m_pPagedVolume, -1, -3, -2, 2, 5, 4);
}
QCOMPARE(result, static_cast<int32_t>(-928601007));
}
void TestVolume::testPagedVolumeSamplersWithExternalForwards()
{
int32_t result = 0;
QBENCHMARK
{
result = testSamplersWithWrappingForwards(m_pPagedVolume, -1, -3, -2, 2, 5, 4);
}
QCOMPARE(result, static_cast<int32_t>(-928601007));
}
void TestVolume::testPagedVolumeDirectAccessAllInternalBackwards()
@ -347,9 +441,9 @@ void TestVolume::testPagedVolumeDirectAccessAllInternalBackwards()
int32_t result = 0;
QBENCHMARK
{
result = testDirectAccessWithWrappingBackwards(m_pPagedVolume);
result = testDirectAccessWithWrappingBackwards(m_pPagedVolume, 4, 2, 2, -3, -1, -2);
}
QCOMPARE(result, static_cast<int32_t>(-960618300));
QCOMPARE(result, static_cast<int32_t>(-269366578));
}
void TestVolume::testPagedVolumeSamplersAllInternalBackwards()
@ -357,9 +451,29 @@ void TestVolume::testPagedVolumeSamplersAllInternalBackwards()
int32_t result = 0;
QBENCHMARK
{
result = testSamplersWithWrappingBackwards(m_pPagedVolume);
result = testSamplersWithWrappingBackwards(m_pPagedVolume, 4, 2, 2, -3, -1, -2);
}
QCOMPARE(result, static_cast<int32_t>(-960618300));
QCOMPARE(result, static_cast<int32_t>(-269366578));
}
void TestVolume::testPagedVolumeDirectAccessWithExternalBackwards()
{
int32_t result = 0;
QBENCHMARK
{
result = testDirectAccessWithWrappingBackwards(m_pPagedVolume, -1, -3, -2, 2, 5, 4);
}
QCOMPARE(result, static_cast<int32_t>(-769775893));
}
void TestVolume::testPagedVolumeSamplersWithExternalBackwards()
{
int32_t result = 0;
QBENCHMARK
{
result = testSamplersWithWrappingBackwards(m_pPagedVolume, -1, -3, -2, 2, 5, 4);
}
QCOMPARE(result, static_cast<int32_t>(-769775893));
}
QTEST_MAIN(TestVolume)

View File

@ -39,13 +39,21 @@ public:
private slots:
void testRawVolumeDirectAccessAllInternalForwards();
void testRawVolumeSamplersAllInternalForwards();
void testRawVolumeDirectAccessWithExternalForwards();
void testRawVolumeSamplersWithExternalForwards();
void testRawVolumeDirectAccessAllInternalBackwards();
void testRawVolumeSamplersAllInternalBackwards();
void testRawVolumeDirectAccessWithExternalBackwards();
void testRawVolumeSamplersWithExternalBackwards();
void testPagedVolumeDirectAccessAllInternalForwards();
void testPagedVolumeSamplersAllInternalForwards();
void testPagedVolumeDirectAccessWithExternalForwards();
void testPagedVolumeSamplersWithExternalForwards();
void testPagedVolumeDirectAccessAllInternalBackwards();
void testPagedVolumeSamplersAllInternalBackwards();
void testPagedVolumeDirectAccessWithExternalBackwards();
void testPagedVolumeSamplersWithExternalBackwards();
private:
PolyVox::FilePager<int32_t>* m_pFilePager;