void CreateLut3DOp(OpRcPtrVec & ops,
Lut3DRcPtr lut,
Interpolation interpolation,
TransformDirection direction)
{
ops.push_back( OpRcPtr(new Lut3DOp(lut, interpolation, direction)) );
}
void CreateMatrixOffsetOp(OpRcPtrVec & ops,
const float * m44, const float * offset4,
TransformDirection direction)
{
bool mtxIsIdentity = IsM44Identity(m44);
bool offsetIsIdentity = IsVecEqualToZero(offset4, 4);
if(mtxIsIdentity && offsetIsIdentity) return;
ops.push_back( OpRcPtr(new MatrixOffsetOp(m44,
offset4, direction)) );
}
void CreateLut1DOp(OpRcPtrVec & ops,
const Lut1DRcPtr & lut,
Interpolation interpolation,
TransformDirection direction)
{
if(lut->isNoOp()) return;
// TODO: Detect if lut1d can be exactly approximated as y = mx + b
// If so, return a mtx instead.
ops.push_back( OpRcPtr(new Lut1DOp(lut, interpolation, direction)) );
}
void CreateIdentityMatrixOp(OpRcPtrVec & ops,
TransformDirection direction)
{
float matrix[16];
memset(matrix, 0, 16 * sizeof(float));
matrix[0] = 1.0f;
matrix[5] = 1.0f;
matrix[10] = 1.0f;
matrix[15] = 1.0f;
float offset[4] = { 0.0f, 0.0f, 0.0f, 0.0f };
ops.push_back(MatrixOffsetOpRcPtr(new MatrixOffsetOp(matrix,
offset, direction)));
}