void ShaderParamSet::setupGlobalParam( IShaderParamInput* input , ShaderParamGroup& paramGroup )
{
for ( ShaderParamList::iterator iter( paramGroup.paramList.begin() ),
itEnd( paramGroup.paramList.end() );
iter != itEnd ; ++iter )
{
switch( iter->content )
{
case SP_WORLD:
input->setUniform( iter->varName.c_str() , getWorldMatrix() );
break;
case SP_VIEW :
input->setUniform( iter->varName.c_str() , getViewMatrix() );
break;
case SP_PROJ :
input->setUniform( iter->varName.c_str() , getProjectMatrix() );
break;
case SP_WORLD_INV :
input->setUniform( iter->varName.c_str() , getInvWorldMatrix() );
break;
case SP_VIEW_PROJ :
input->setUniform( iter->varName.c_str() , getViewProjMatrix() );
break;
case SP_WVP :
input->setUniform( iter->varName.c_str() , getWVPMatrix() );
break;
case SP_WORLD_VIEW:
input->setUniform( iter->varName.c_str() , getWorldViewMatrix() );
break;
//case SP_AMBIENT_LIGHT:
// input->setUniform( iter->varName.c_str() , scene->setAmbientLight() );
}
}
}
Matrix4 const& ShaderParamSet::getWVPMatrix()
{
if ( mDirtyBit & DIRTY_WVP )
{
mWVP = getWorldViewMatrix() * getProjectMatrix();
mDirtyBit &= ~DIRTY_WVP;
}
return mWVP;
}
//-----------------------------------------------------------------------------
const Matrix4& AutoParamDataSource::getInverseWorldViewMatrix(void) const
{
if (mInverseWorldViewMatrixDirty)
{
mInverseWorldViewMatrix = getWorldViewMatrix().inverseAffine();
mInverseWorldViewMatrixDirty = false;
}
return mInverseWorldViewMatrix;
}
//-----------------------------------------------------------------------------
const Matrix4& AutoParamDataSource::getWorldViewProjMatrix(void) const
{
if (mWorldViewProjMatrixDirty)
{
mWorldViewProjMatrix = getProjectionMatrix() * getWorldViewMatrix();
mWorldViewProjMatrixDirty = false;
}
return mWorldViewProjMatrix;
}
