public void setProgramConstantsFromMatrix(string programType, int firstRegister, Matrix3D matrix,
bool transposedMatrix = false)
{
// GLES does not support transposed uniform setting so do it manually
if (transposedMatrix)
{
// 0 1 2 3
// 4 5 6 7
// 8 9 10 11
// 12 13 14 15
double[] source = matrix.mData;
mTemp[0] = (float)source[0];
mTemp[1] = (float)source[4];
mTemp[2] = (float)source[8];
mTemp[3] = (float)source[12];
mTemp[4] = (float)source[1];
mTemp[5] = (float)source[5];
mTemp[6] = (float)source[9];
mTemp[7] = (float)source[13];
mTemp[8] = (float)source[2];
mTemp[9] = (float)source[6];
mTemp[10] = (float)source[10];
mTemp[11] = (float)source[14];
mTemp[12] = (float)source[3];
mTemp[13] = (float)source[7];
mTemp[14] = (float)source[11];
mTemp[15] = (float)source[15];
}
else
{
// convert double->float
convertDoubleToFloat(mTemp, matrix.mData, 16);
}
bool isVertex = (programType == "vertex");
// set uniform registers
Program3D.Uniform uniform = mProgram.getUniform(isVertex, firstRegister);
if (uniform != null)
{
GL.UniformMatrix4(uniform.Location, 1, false, mTemp);
}
else
{
if (enableErrorChecking)
{
Console.WriteLine("warning: program register not found: {0}", firstRegister);
}
}
}
public void setProgramConstantsFromVector(string programType, int firstRegister, Vector <double> data, int numRegisters = -1)
{
if (numRegisters == 0)
{
return;
}
if (numRegisters == -1)
{
numRegisters = (int)(data.length / 4);
}
bool isVertex = (programType == "vertex");
// set all registers
int register = firstRegister;
int dataIndex = 0;
while (numRegisters > 0)
{
// get uniform mapped to register
Program3D.Uniform uniform = mProgram.getUniform(isVertex, register);
if (uniform == null)
{
// skip this register
register += 1;
numRegisters -= 1;
dataIndex += 4;
if (enableErrorChecking)
{
// Console.WriteLine ("warning: program register not found: {0}", register);
}
continue;
}
// convert source data into floating point
int tempIndex = 0;
for (int i = 0; i < uniform.RegCount; i++)
{
// debug print the constant data
// Console.WriteLine ("{5}[{0}]: {1}, {2}, {3}, {4}", register + i, data[dataIndex+0], data[dataIndex+1], data[dataIndex+2], data[dataIndex+3], programType);
// convert vector4 double->float
mTemp[tempIndex++] = (float)data[dataIndex++];
mTemp[tempIndex++] = (float)data[dataIndex++];
mTemp[tempIndex++] = (float)data[dataIndex++];
mTemp[tempIndex++] = (float)data[dataIndex++];
}
// set uniforms based on type
switch (uniform.Type)
{
case ActiveUniformType.FloatMat2:
GL.UniformMatrix2(uniform.Location, uniform.Size, false, mTemp);
break;
case ActiveUniformType.FloatMat3:
GL.UniformMatrix3(uniform.Location, uniform.Size, false, mTemp);
break;
case ActiveUniformType.FloatMat4:
GL.UniformMatrix4(uniform.Location, uniform.Size, false, mTemp);
break;
default:
GL.Uniform4(uniform.Location, uniform.Size, mTemp);
break;
}
// advance register number
register += uniform.RegCount;
numRegisters -= uniform.RegCount;
}
}
