private void _setProgramConstants_Matrix(geom.Matrix3D matrix3D, int startindex, bool transpose)
{
if (transpose)
{
matrix3D.transpose();
}
programConstants.registers[startindex] = new float4(matrix3D.M00, matrix3D.M01, matrix3D.M02, matrix3D.M03);
programConstants.registers[startindex + 1] = new float4(matrix3D.M10, matrix3D.M11, matrix3D.M12, matrix3D.M13);
programConstants.registers[startindex + 2] = new float4(matrix3D.M20, matrix3D.M21, matrix3D.M22, matrix3D.M23);
programConstants.registers[startindex + 3] = new float4(matrix3D.M30, matrix3D.M31, matrix3D.M32, matrix3D.M33);
}
public void setProgramConstantsFromMatrix(geom.Matrix3D matrix3D, int startindex, bool transpose)
{
if (startindex < ProgramConstants.USERDEFINE_STARTIDX)
{
throw new ArgumentException("之前行被保留");
}
if (transpose)
{
matrix3D.transpose();
}
programConstants.registers[startindex] = new float4(matrix3D.M00, matrix3D.M01, matrix3D.M02, matrix3D.M03);
programConstants.registers[startindex + 1] = new float4(matrix3D.M10, matrix3D.M11, matrix3D.M12, matrix3D.M13);
programConstants.registers[startindex + 2] = new float4(matrix3D.M20, matrix3D.M21, matrix3D.M22, matrix3D.M23);
programConstants.registers[startindex + 3] = new float4(matrix3D.M30, matrix3D.M31, matrix3D.M32, matrix3D.M33);
}
/// <summary>
/// 设置预定义矩阵
/// </summary>
/// <param name="_ObjectToWorld"></param>
/// <param name="_WorldToObject"></param>
/// <param name="_MatrixV"></param>
/// <param name="_matrix_projection"></param>
/// <param name="_MatrixVP"></param>
/// <param name="_MatrixInvV"></param>
/// <param name="transpose"></param>
public void setProgramConstants_Matrices(
geom.Matrix3D _ObjectToWorld,
geom.Matrix3D _WorldToObject,
geom.Matrix3D _MatrixV,
geom.Matrix3D _matrix_projection,
geom.Matrix3D _MatrixVP,
geom.Matrix3D _MatrixInvV,
bool transpose
)
{
_setProgramConstants_Matrix(_ObjectToWorld, ProgramConstants._ObjectToWorld_ROW0, transpose);
_setProgramConstants_Matrix(_WorldToObject, ProgramConstants._WorldToObject_ROW0, transpose);
_setProgramConstants_Matrix(_MatrixV, ProgramConstants._MatrixV_ROW0, transpose);
_setProgramConstants_Matrix(_matrix_projection, ProgramConstants._matrix_projection_ROW0, transpose);
_setProgramConstants_Matrix(_MatrixVP, ProgramConstants._MatrixVP_ROW0, transpose);
_setProgramConstants_Matrix(_MatrixInvV, ProgramConstants._MatrixInvV_ROW0, transpose);
}