91 lines
3.0 KiB
C++
91 lines
3.0 KiB
C++
/*******************************************************************************
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Copyright (c) 2010 Matt Williams
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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*******************************************************************************/
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#include "TestLowPassFilter.h"
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#include "PolyVox/Density.h"
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#include "PolyVox/LowPassFilter.h"
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#include "PolyVox/RawVolume.h"
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#include <QtTest>
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using namespace PolyVox;
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void TestLowPassFilter::testExecute()
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{
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const int32_t g_uVolumeSideLength = 8;
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Region reg(Vector3DInt32(0,0,0), Vector3DInt32(g_uVolumeSideLength-1, g_uVolumeSideLength-1, g_uVolumeSideLength-1));
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//Create empty volume
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RawVolume<Density8> volData(reg);
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//Create two solid walls at opposite sides of the volume
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for (int32_t z = 0; z < g_uVolumeSideLength; z++)
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{
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for (int32_t y = 0; y < g_uVolumeSideLength; y++)
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{
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for (int32_t x = 0; x < g_uVolumeSideLength; x++)
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{
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if(x % 2 == 0)
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{
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Density8 voxel(32);
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volData.setVoxel(x, y, z, voxel);
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}
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}
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}
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}
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RawVolume<Density8> resultVolume(reg);
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LowPassFilter< RawVolume<Density8>, RawVolume<Density8>, Density16 > lowPassfilter(&volData, reg, &resultVolume, reg, 3);
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//Test the normal implementation
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QBENCHMARK {
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lowPassfilter.execute();
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}
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QCOMPARE(resultVolume.getVoxel(0,0,0), Density8(4));
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QCOMPARE(resultVolume.getVoxel(1,1,1), Density8(21));
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QCOMPARE(resultVolume.getVoxel(2,2,2), Density8(10));
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QCOMPARE(resultVolume.getVoxel(3,3,3), Density8(21));
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QCOMPARE(resultVolume.getVoxel(4,4,4), Density8(10));
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QCOMPARE(resultVolume.getVoxel(5,5,5), Density8(21));
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QCOMPARE(resultVolume.getVoxel(6,6,6), Density8(10));
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QCOMPARE(resultVolume.getVoxel(7,7,7), Density8(4));
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//Test the SAT implmentation
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QBENCHMARK {
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lowPassfilter.executeSAT();
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}
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QCOMPARE(resultVolume.getVoxel(0,0,0), Density8(4));
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QCOMPARE(resultVolume.getVoxel(1,1,1), Density8(21));
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QCOMPARE(resultVolume.getVoxel(2,2,2), Density8(10));
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QCOMPARE(resultVolume.getVoxel(3,3,3), Density8(21));
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QCOMPARE(resultVolume.getVoxel(4,4,4), Density8(10));
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QCOMPARE(resultVolume.getVoxel(5,5,5), Density8(21));
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QCOMPARE(resultVolume.getVoxel(6,6,6), Density8(10));
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QCOMPARE(resultVolume.getVoxel(7,7,7), Density8(4));
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}
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QTEST_MAIN(TestLowPassFilter)
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