bool BindMachineInstInPassToFragmentShader( IntList PassMachineInstructions )
{
int instIDX = 0;
int instCount = PassMachineInstructions.Count;
bool error = false;
while ( ( instIDX < instCount ) && !error )
{
switch ( (MachineInstruction)PassMachineInstructions[ instIDX ] )
{
case MachineInstruction.ColorOp1:
if ( ( instIDX + 7 ) < instCount )
Gl.glColorFragmentOp1ATI(
(int)PassMachineInstructions[ instIDX + 1 ], // op
(int)PassMachineInstructions[ instIDX + 2 ], // dst
(int)PassMachineInstructions[ instIDX + 3 ], // dstMask
(int)PassMachineInstructions[ instIDX + 4 ], // dstMod
(int)PassMachineInstructions[ instIDX + 5 ], // arg1
(int)PassMachineInstructions[ instIDX + 6 ], // arg1Rep
(int)PassMachineInstructions[ instIDX + 7 ] );// arg1Mod
instIDX += 8;
break;
case MachineInstruction.ColorOp2:
if ( ( instIDX + 10 ) < instCount )
Gl.glColorFragmentOp2ATI(
(int)PassMachineInstructions[ instIDX + 1 ], // op
(int)PassMachineInstructions[ instIDX + 2 ], // dst
(int)PassMachineInstructions[ instIDX + 3 ], // dstMask
(int)PassMachineInstructions[ instIDX + 4 ], // dstMod
(int)PassMachineInstructions[ instIDX + 5 ], // arg1
(int)PassMachineInstructions[ instIDX + 6 ], // arg1Rep
(int)PassMachineInstructions[ instIDX + 7 ], // arg1Mod
(int)PassMachineInstructions[ instIDX + 8 ], // arg2
(int)PassMachineInstructions[ instIDX + 9 ], // arg2Rep
(int)PassMachineInstructions[ instIDX + 10 ] );// arg2Mod
instIDX += 11;
break;
case MachineInstruction.ColorOp3:
if ( ( instIDX + 13 ) < instCount )
Gl.glColorFragmentOp3ATI(
(int)PassMachineInstructions[ instIDX + 1 ], // op
(int)PassMachineInstructions[ instIDX + 2 ], // dst
(int)PassMachineInstructions[ instIDX + 3 ], // dstMask
(int)PassMachineInstructions[ instIDX + 4 ], // dstMod
(int)PassMachineInstructions[ instIDX + 5 ], // arg1
(int)PassMachineInstructions[ instIDX + 6 ], // arg1Rep
(int)PassMachineInstructions[ instIDX + 7 ], // arg1Mod
(int)PassMachineInstructions[ instIDX + 8 ], // arg2
(int)PassMachineInstructions[ instIDX + 9 ], // arg2Rep
(int)PassMachineInstructions[ instIDX + 10 ], // arg2Mod
(int)PassMachineInstructions[ instIDX + 11 ], // arg2
(int)PassMachineInstructions[ instIDX + 12 ], // arg2Rep
(int)PassMachineInstructions[ instIDX + 13 ] );// arg2Mod
instIDX += 14;
break;
case MachineInstruction.AlphaOp1:
if ( ( instIDX + 6 ) < instCount )
Gl.glAlphaFragmentOp1ATI(
(int)PassMachineInstructions[ instIDX + 1 ], // op
(int)PassMachineInstructions[ instIDX + 2 ], // dst
(int)PassMachineInstructions[ instIDX + 3 ], // dstMod
(int)PassMachineInstructions[ instIDX + 4 ], // arg1
(int)PassMachineInstructions[ instIDX + 5 ], // arg1Rep
(int)PassMachineInstructions[ instIDX + 6 ] ); // arg1Mod
instIDX += 7;
break;
case MachineInstruction.AlphaOp2:
if ( ( instIDX + 9 ) < instCount )
Gl.glAlphaFragmentOp2ATI(
(int)PassMachineInstructions[ instIDX + 1 ], // op
(int)PassMachineInstructions[ instIDX + 2 ], // dst
(int)PassMachineInstructions[ instIDX + 3 ], // dstMod
(int)PassMachineInstructions[ instIDX + 4 ], // arg1
(int)PassMachineInstructions[ instIDX + 5 ], // arg1Rep
(int)PassMachineInstructions[ instIDX + 6 ], // arg1Mod
(int)PassMachineInstructions[ instIDX + 7 ], // arg2
(int)PassMachineInstructions[ instIDX + 8 ], // arg2Rep
(int)PassMachineInstructions[ instIDX + 9 ] ); // arg2Mod
instIDX += 10;
break;
case MachineInstruction.AlphaOp3:
if ( ( instIDX + 12 ) < instCount )
Gl.glAlphaFragmentOp3ATI(
(int)PassMachineInstructions[ instIDX + 1 ], // op
(int)PassMachineInstructions[ instIDX + 2 ], // dst
(int)PassMachineInstructions[ instIDX + 3 ], // dstMod
(int)PassMachineInstructions[ instIDX + 4 ], // arg1
(int)PassMachineInstructions[ instIDX + 5 ], // arg1Rep
(int)PassMachineInstructions[ instIDX + 6 ], // arg1Mod
(int)PassMachineInstructions[ instIDX + 7 ], // arg2
(int)PassMachineInstructions[ instIDX + 8 ], // arg2Rep
(int)PassMachineInstructions[ instIDX + 9 ], // arg2Mod
(int)PassMachineInstructions[ instIDX + 10 ], // arg2
(int)PassMachineInstructions[ instIDX + 11 ], // arg2Rep
(int)PassMachineInstructions[ instIDX + 12 ] ); // arg2Mod
instIDX += 13;
break;
case MachineInstruction.SetConstants:
if ( ( instIDX + 2 ) < instCount )
{
int start = (int)PassMachineInstructions[ instIDX + 2 ];
float[] vals = new float[ 4 ];
vals[ 0 ] = (float)constants[ start++ ];
vals[ 1 ] = (float)constants[ start++ ];
vals[ 2 ] = (float)constants[ start++ ];
vals[ 3 ] = (float)constants[ start ];
Gl.glSetFragmentShaderConstantATI(
(int)PassMachineInstructions[ instIDX + 1 ], // dst
vals );
}
instIDX += 3;
break;
case MachineInstruction.PassTexCoord:
if ( ( instIDX + 3 ) < instCount )
Gl.glPassTexCoordATI(
(int)PassMachineInstructions[ instIDX + 1 ], // dst
(int)PassMachineInstructions[ instIDX + 2 ], // coord
(int)PassMachineInstructions[ instIDX + 3 ] ); // swizzle
instIDX += 4;
break;
case MachineInstruction.SampleMap:
if ( ( instIDX + 3 ) < instCount )
Gl.glSampleMapATI(
(int)PassMachineInstructions[ instIDX + 1 ], // dst
(int)PassMachineInstructions[ instIDX + 2 ], // interp
(int)PassMachineInstructions[ instIDX + 3 ] ); // swizzle
instIDX += 4;
break;
default:
instIDX = instCount;
break;
// should generate an error since an unknown instruction was found
// instead for now the bind process is terminated and the fragment program may still function
// but its output may not be what was programmed
} // end of switch
error = ( Gl.glGetError() != Gl.GL_NO_ERROR );
}// end of while
return !error;
}
