public override void SetLightCount( int[] currLightCount )
{
for ( int type = 0; type < 3; type++ )
{
for ( int i = 0; i < currLightCount[ type ]; i++ )
{
var curParams = new LightParams();
if ( type == 0 )
{
curParams.Type = LightType.Point;
}
else if ( type == 1 )
{
curParams.Type = LightType.Directional;
}
else if ( type == 2 )
{
curParams.Type = LightType.Spotlight;
}
this.lightParamsList.Add( curParams );
}
}
}
internal bool AddPSIlluminationInvocation( LightParams curLightParams, Function psMain, int groupOrder,
ref int internalCounter )
{
FunctionInvocation curFuncInvocation = null;
//merge diffuse color with vertex color if need to
if ( ( this.trackVertexColorType & TrackVertexColor.Diffuse ) != 0 )
{
curFuncInvocation = new FunctionInvocation( FFPRenderState.FFPFuncModulate, groupOrder,
internalCounter++ );
curFuncInvocation.PushOperand( this.psDiffuse, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( curLightParams.DiffuseColor, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( curLightParams.DiffuseColor, Operand.OpSemantic.Out,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
psMain.AddAtomInstance( curFuncInvocation );
}
//merge specular color with vertex color if need to
if ( this.specularEnable && ( this.trackVertexColorType & TrackVertexColor.Specular ) != 0 )
{
curFuncInvocation = new FunctionInvocation( FFPRenderState.FFPFuncModulate, groupOrder,
internalCounter++ );
curFuncInvocation.PushOperand( this.psDiffuse, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( curLightParams.SpecularColor, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( curLightParams.SpecularColor, Operand.OpSemantic.Out,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
psMain.AddAtomInstance( curFuncInvocation );
}
switch ( curLightParams.Type )
{
case LightType.Directional:
if ( this.specularEnable )
{
curFuncInvocation = new FunctionInvocation( SGXFuncLightDirectionalDiffuseSpecular, groupOrder,
internalCounter++ );
curFuncInvocation.PushOperand( this.psInNormal, Operand.OpSemantic.In );
curFuncInvocation.PushOperand( this.psInViewPos, Operand.OpSemantic.In );
curFuncInvocation.PushOperand( curLightParams.Direction, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( curLightParams.DiffuseColor, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( curLightParams.SpecularColor, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( this.surfaceShininess, Operand.OpSemantic.In );
curFuncInvocation.PushOperand( this.psTempDiffuseColor, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( this.psTempSpecularColor, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( this.psTempDiffuseColor, Operand.OpSemantic.Out,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( this.psTempSpecularColor, Operand.OpSemantic.Out,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
psMain.AddAtomInstance( curFuncInvocation );
}
else
{
curFuncInvocation = new FunctionInvocation( SGXFuncLightDirectionalDiffuse, groupOrder,
internalCounter++ );
curFuncInvocation.PushOperand( this.psInNormal, Operand.OpSemantic.In );
curFuncInvocation.PushOperand( curLightParams.Direction, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( curLightParams.DiffuseColor, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( this.psTempDiffuseColor, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( this.psTempDiffuseColor, Operand.OpSemantic.Out,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
psMain.AddAtomInstance( curFuncInvocation );
}
break;
case LightType.Point:
if ( this.specularEnable )
{
curFuncInvocation = new FunctionInvocation( SGXFuncLightPointDiffuseSpecular, groupOrder,
internalCounter++ );
curFuncInvocation.PushOperand( this.psInNormal, Operand.OpSemantic.In );
curFuncInvocation.PushOperand( this.psInViewPos, Operand.OpSemantic.In );
curFuncInvocation.PushOperand( curLightParams.Position, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( curLightParams.AttenuatParams, Operand.OpSemantic.In );
curFuncInvocation.PushOperand( curLightParams.DiffuseColor, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( curLightParams.SpecularColor, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( this.surfaceShininess, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( this.psTempDiffuseColor, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( this.psTempSpecularColor, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( this.psTempDiffuseColor, Operand.OpSemantic.Out,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( this.psTempSpecularColor, Operand.OpSemantic.Out,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
psMain.AddAtomInstance( curFuncInvocation );
}
else
{
curFuncInvocation = new FunctionInvocation( SGXFuncLightPointDiffuse, groupOrder,
internalCounter++ );
curFuncInvocation.PushOperand( this.psInNormal, Operand.OpSemantic.In );
curFuncInvocation.PushOperand( this.psInViewPos, Operand.OpSemantic.In );
curFuncInvocation.PushOperand( curLightParams.Position, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( curLightParams.AttenuatParams, Operand.OpSemantic.In );
curFuncInvocation.PushOperand( curLightParams.DiffuseColor, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( this.psTempDiffuseColor, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( this.psTempDiffuseColor, Operand.OpSemantic.Out,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
psMain.AddAtomInstance( curFuncInvocation );
}
break;
case LightType.Spotlight:
if ( this.specularEnable )
{
curFuncInvocation = new FunctionInvocation( SGXFuncLightSpotDiffuseSpecular, groupOrder,
internalCounter++ );
curFuncInvocation.PushOperand( this.psInNormal, Operand.OpSemantic.In );
curFuncInvocation.PushOperand( this.psInViewPos, Operand.OpSemantic.In );
curFuncInvocation.PushOperand( curLightParams.Position, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( curLightParams.Direction, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( curLightParams.AttenuatParams, Operand.OpSemantic.In );
curFuncInvocation.PushOperand( curLightParams.SpotParams, Operand.OpSemantic.In );
curFuncInvocation.PushOperand( curLightParams.DiffuseColor, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( curLightParams.SpecularColor, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( this.surfaceShininess, Operand.OpSemantic.In );
curFuncInvocation.PushOperand( this.psTempDiffuseColor, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( this.psTempSpecularColor, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( this.psTempDiffuseColor, Operand.OpSemantic.Out,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( this.psTempSpecularColor, Operand.OpSemantic.Out,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
}
else
{
curFuncInvocation = new FunctionInvocation( SGXFuncLightSpotDiffuse, groupOrder,
internalCounter++ );
curFuncInvocation.PushOperand( this.psInNormal, Operand.OpSemantic.In );
curFuncInvocation.PushOperand( this.psInViewPos, Operand.OpSemantic.In );
curFuncInvocation.PushOperand( curLightParams.Position, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( curLightParams.Direction, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( curLightParams.AttenuatParams, Operand.OpSemantic.In );
curFuncInvocation.PushOperand( curLightParams.SpotParams, Operand.OpSemantic.In );
curFuncInvocation.PushOperand( curLightParams.DiffuseColor, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( this.psTempDiffuseColor, Operand.OpSemantic.In,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( this.psTempDiffuseColor, Operand.OpSemantic.Out,
(int)( Operand.OpMask.X | Operand.OpMask.Y | Operand.OpMask.Z ) );
psMain.AddAtomInstance( curFuncInvocation );
}
break;
}
return true;
}
internal bool AddVSIlluminationInvocation( LightParams curLightParams, Function vsMain, int groupOrder,
ref int internalCounter )
{
FunctionInvocation curFuncInvocation = null;
//Computer light direction in texture space.
if ( curLightParams.Direction != null && curLightParams.VSOutDirection != null )
{
//Transform to texture space.
if ( this.normalMapSpace == RTShaderSystem.NormalMapSpace.Tangent )
{
curFuncInvocation = new FunctionInvocation( SGXFuncTranformNormal, groupOrder, internalCounter++ );
curFuncInvocation.PushOperand( this.vsTBNMatrix, Operand.OpSemantic.In );
curFuncInvocation.PushOperand( curLightParams.Direction, Operand.OpSemantic.In,
( (int)Operand.OpMask.X | (int)Operand.OpMask.Y |
(int)Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( curLightParams.VSOutDirection, Operand.OpSemantic.Out );
vsMain.AddAtomInstance( curFuncInvocation );
}
//Output object space
else if ( this.normalMapSpace == RTShaderSystem.NormalMapSpace.Object )
{
curFuncInvocation = new FunctionInvocation( FFPRenderState.FFPFuncAssign, groupOrder,
internalCounter++ );
curFuncInvocation.PushOperand( curLightParams.Direction, Operand.OpSemantic.In,
( (int)Operand.OpMask.X | (int)Operand.OpMask.Y |
(int)Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( curLightParams.VSOutDirection, Operand.OpSemantic.Out );
vsMain.AddAtomInstance( curFuncInvocation );
}
}
//Transform light vector to target space
if ( curLightParams.Position != null && curLightParams.VSOutToLightDir != null )
{
//Compute light vector.
curFuncInvocation = new FunctionInvocation( FFPRenderState.FFPFuncSubtract, groupOrder,
internalCounter++ );
curFuncInvocation.PushOperand( curLightParams.Position, Operand.OpSemantic.In,
( (int)Operand.OpMask.X | (int)Operand.OpMask.Y | (int)Operand.OpMask.Z ) );
curFuncInvocation.PushOperand( this.vsWorldPosition, Operand.OpSemantic.In );
curFuncInvocation.PushOperand( this.vsLocalDir, Operand.OpSemantic.Out );
vsMain.AddAtomInstance( curFuncInvocation );
//Transform to object space
curFuncInvocation = new FunctionInvocation( SGXFuncTranformNormal, groupOrder, internalCounter++ );
curFuncInvocation.PushOperand( this.worldInvRotMatrix, Operand.OpSemantic.In );
curFuncInvocation.PushOperand( this.vsLocalDir, Operand.OpSemantic.In );
curFuncInvocation.PushOperand( this.vsLocalDir, Operand.OpSemantic.Out );
vsMain.AddAtomInstance( curFuncInvocation );
if ( this.normalMapSpace == RTShaderSystem.NormalMapSpace.Tangent )
{
curFuncInvocation = new FunctionInvocation( SGXFuncTranformNormal, groupOrder, internalCounter++ );
curFuncInvocation.PushOperand( this.vsTBNMatrix, Operand.OpSemantic.In );
curFuncInvocation.PushOperand( this.vsLocalDir, Operand.OpSemantic.In );
curFuncInvocation.PushOperand( curLightParams.VSOutToLightDir, Operand.OpSemantic.Out );
vsMain.AddAtomInstance( curFuncInvocation );
}
//Output object space
else if ( this.normalMapSpace == RTShaderSystem.NormalMapSpace.Object )
{
curFuncInvocation = new FunctionInvocation( FFPRenderState.FFPFuncAssign, groupOrder,
internalCounter++ );
curFuncInvocation.PushOperand( this.vsLocalDir, Operand.OpSemantic.In );
curFuncInvocation.PushOperand( curLightParams.VSOutToLightDir, Operand.OpSemantic.Out );
vsMain.AddAtomInstance( curFuncInvocation );
}
}
return true;
}
