bool CObject::SetU16(const char* name, _U32 index, _U16 val)
{
return SetU16(Zion::StringFormat("%s[%d]", name, index).c_str(), val);
}
void ShiftBilinear(const uint8_t *src, size_t srcStride, size_t width, size_t height, size_t channelCount,
int fDx, int fDy, uint8_t *dst, size_t dstStride)
{
size_t size = width*channelCount;
size_t alignedSize = AlignLo(size, A);
if (fDy)
{
if (fDx)
{
v128_u16 k[2][2], s[2][2][2];
k[0][0] = SetU16((Base::FRACTION_RANGE - fDx)*(Base::FRACTION_RANGE - fDy));
k[0][1] = SetU16(fDx*(Base::FRACTION_RANGE - fDy));
k[1][0] = SetU16((Base::FRACTION_RANGE - fDx)*fDy);
k[1][1] = SetU16(fDx*fDy);
for (size_t row = 0; row < height; ++row)
{
for (size_t col = 0; col < alignedSize; col += A)
{
LoadBlock(src + col, channelCount, srcStride, s);
Store<false>(dst + col, Interpolate(s, k));
}
if (size != alignedSize)
{
LoadBlock(src + size - A, channelCount, srcStride, s);
Store<false>(dst + size - A, Interpolate(s, k));
}
src += srcStride;
dst += dstStride;
}
}
else
{
v128_u16 k[2], s[2][2];
k[0] = SetU16(Base::FRACTION_RANGE - fDy);
k[1] = SetU16(fDy);
for (size_t row = 0; row < height; ++row)
{
for (size_t col = 0; col < alignedSize; col += A)
{
LoadBlock(src + col, srcStride, s);
Store<false>(dst + col, Interpolate(s, k));
}
if (size != alignedSize)
{
LoadBlock(src + size - A, srcStride, s);
Store<false>(dst + size - A, Interpolate(s, k));
}
src += srcStride;
dst += dstStride;
}
}
}
else
{
if (fDx)
{
v128_u16 k[2], s[2][2];
k[0] = SetU16(Base::FRACTION_RANGE - fDx);
k[1] = SetU16(fDx);
for (size_t row = 0; row < height; ++row)
{
for (size_t col = 0; col < alignedSize; col += A)
{
LoadBlock(src + col, channelCount, s);
Store<false>(dst + col, Interpolate(s, k));
}
if (size != alignedSize)
{
LoadBlock(src + size - A, channelCount, s);
Store<false>(dst + size - A, Interpolate(s, k));
}
src += srcStride;
dst += dstStride;
}
}
else
{
for (size_t row = 0; row < height; ++row)
{
memcpy(dst, src, size);
src += srcStride;
dst += dstStride;
}
}
}
}