AnotherFoxGuy/polyvox
1
0
Fork 0
Code Issues Pull Requests Activity

Reduced array accesses.

Browse Source
This commit is contained in:
David Williams 2015-05-28 23:02:14 +02:00
parent 92db006250
commit f32bb1d1ed
1 changed files with 17 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
include/PolyVox/MarchingCubesSurfaceExtractor.inl
View File

@ -129,13 +129,14 @@ namespace PolyVox
pPreviousSliceBitmask(uXRegSpace, uYRegSpace) = iCubeIndex;
/* Cube is entirely in/out of the surface */
if (edgeTable[iCubeIndex] != 0)
uint16_t uEdge = edgeTable[iCubeIndex];
if (uEdge != 0)
{
auto v111Density = controller.convertToDensity(v111);
const Vector3DFloat n000 = computeCentralDifferenceGradient(sampler, controller);
/* Find the vertices where the surface intersects the cube */
if ((edgeTable[iCubeIndex] & 64) && (uXRegSpace > 0))
if ((uEdge & 64) && (uXRegSpace > 0))
{
sampler.moveNegativeX();
typename VolumeType::VoxelType v011 = sampler.getVoxel();
@ -170,7 +171,7 @@ namespace PolyVox
sampler.movePositiveX();
}
if ((edgeTable[iCubeIndex] & 32) && (uYRegSpace > 0))
if ((uEdge & 32) && (uYRegSpace > 0))
{
sampler.moveNegativeY();
typename VolumeType::VoxelType v101 = sampler.getVoxel();
@ -205,7 +206,7 @@ namespace PolyVox
sampler.movePositiveY();
}
if ((edgeTable[iCubeIndex] & 1024) && (uZRegSpace > 0))
if ((uEdge & 1024) && (uZRegSpace > 0))
{
sampler.moveNegativeZ();
typename VolumeType::VoxelType v110 = sampler.getVoxel();
@ -249,51 +250,51 @@ namespace PolyVox
int32_t indlist[12];
/* Find the vertices where the surface intersects the cube */
if (edgeTable[iCubeIndex] & 1)
if (uEdge & 1)
{
indlist[0] = pPreviousIndices(uXRegSpace, uYRegSpace - 1).getX();
}
if (edgeTable[iCubeIndex] & 2)
if (uEdge & 2)
{
indlist[1] = pPreviousIndices(uXRegSpace, uYRegSpace).getY();
}
if (edgeTable[iCubeIndex] & 4)
if (uEdge & 4)
{
indlist[2] = pPreviousIndices(uXRegSpace, uYRegSpace).getX();
}
if (edgeTable[iCubeIndex] & 8)
if (uEdge & 8)
{
indlist[3] = pPreviousIndices(uXRegSpace - 1, uYRegSpace).getY();
}
if (edgeTable[iCubeIndex] & 16)
if (uEdge & 16)
{
indlist[4] = pIndices(uXRegSpace, uYRegSpace - 1).getX();
}
if (edgeTable[iCubeIndex] & 32)
if (uEdge & 32)
{
indlist[5] = pIndices(uXRegSpace, uYRegSpace).getY();
}
if (edgeTable[iCubeIndex] & 64)
if (uEdge & 64)
{
indlist[6] = pIndices(uXRegSpace, uYRegSpace).getX();
}
if (edgeTable[iCubeIndex] & 128)
if (uEdge & 128)
{
indlist[7] = pIndices(uXRegSpace - 1, uYRegSpace).getY();
}
if (edgeTable[iCubeIndex] & 256)
if (uEdge & 256)
{
indlist[8] = pIndices(uXRegSpace - 1, uYRegSpace - 1).getZ();
}
if (edgeTable[iCubeIndex] & 512)
if (uEdge & 512)
{
indlist[9] = pIndices(uXRegSpace, uYRegSpace - 1).getZ();
}
if (edgeTable[iCubeIndex] & 1024)
if (uEdge & 1024)
{
indlist[10] = pIndices(uXRegSpace, uYRegSpace).getZ();
}
if (edgeTable[iCubeIndex] & 2048)
if (uEdge & 2048)
{
indlist[11] = pIndices(uXRegSpace - 1, uYRegSpace).getZ();
}