unsafe void similaritySetsToD3DTexture(Exemplar a, int l)
{
// Indices
{
// . create texture
m_d3dSimilaritySet = new Texture(BRenderDevice.getDevice(),
a.stack(l).getWidth(),
a.stack(l).getHeight(), 1, 0, Format.A8R8G8B8, Pool.Managed);
// . fill in
GraphicsStream texstream = m_d3dSimilaritySet.LockRectangle(0, LockFlags.None);
byte * data = (byte *)texstream.InternalDataPointer;
int rectPitch = a.stack(l).getWidth() * 4;
byte *dataI = data;// (byte*)rectI.pBits;
int pitch = rectPitch;
int[] c_ki = new int[2] {
2, 0
};
int[] c_kj = new int[2] {
1, 3
};
int kn = Math.Min(2, Globals.K_NEAREST); // TODO: extend to ohter values of K ?
Globals.Assert(kn <= 2);
int width = a.stack(l).getWidth();
int exsz = width;
for (int j = 0; j < width; j++)
{
for (int i = 0; i < width; i++)
{
int n = a.similaritySetSize(l, i, j);
for (int k = 0; k < kn; k++)
{
if (k < n)
{
Pair <int, int> kij = a.similarPixel(l, i, j, k);
int vi = kij.first;
int vj = kij.second;
//dataI[i*4+j*pitch + c_ki[k]]=vi & 255; // simsets as indirections
//dataI[i*4+j*pitch + c_kj[k]]=vj & 255;
Globals.Assert(Math.Abs(vi - i) < exsz);
Globals.Assert(Math.Abs(vj - j) < exsz);
int oi = (vi - i) + 128;
int oj = (vj - j) + 128;
Globals.Assert(oi >= 0 && oi <= 255);
Globals.Assert(oj >= 0 && oj <= 255);
dataI[i * 4 + j * pitch + c_ki[k]] = (byte)(oi & 255); // simsets as offsets
dataI[i * 4 + j * pitch + c_kj[k]] = (byte)(oj & 255);
}
else
{
dataI[i * 4 + j * pitch + c_ki[k]] = 128;
dataI[i * 4 + j * pitch + c_kj[k]] = 128;
}
}
}
}
m_d3dSimilaritySet.UnlockRectangle(0);
}
}
