C++ (Cpp) ID3DXEffect::GetPassDesc Examples

Example #1

File: CRenderItem.EffectTemplate.cpp Project: ntauthority/openvice

////////////////////////////////////////////////////////////////
//
// CEffectTemplateImpl::CloneD3DEffect
//
// Clone the d3d effect
//
////////////////////////////////////////////////////////////////
ID3DXEffect* CEffectTemplateImpl::CloneD3DEffect ( SString& strOutStatus, bool& bOutUsesVertexShader, bool& bOutUsesDepthBuffer )
{
    // Clone D3DXEffect
    ID3DXEffect* pNewD3DEffect = NULL;
    LPDIRECT3DDEVICE9 pDevice = NULL;
    m_pD3DEffect->GetDevice ( &pDevice );
    m_pD3DEffect->CloneEffect ( pDevice, &pNewD3DEffect );

    if ( !pNewD3DEffect )
        return NULL;

    // Set the same technique
    {
        D3DXHANDLE hTechnique = m_pD3DEffect->GetCurrentTechnique ();
        D3DXTECHNIQUE_DESC TechniqueDesc;
        m_pD3DEffect->GetTechniqueDesc( hTechnique, &TechniqueDesc );
        pNewD3DEffect->SetTechnique ( pNewD3DEffect->GetTechniqueByName ( TechniqueDesc.Name ) );

        // Output technique name
        strOutStatus = TechniqueDesc.Name;
    }

    // Check if any technique uses a vertex shader
    bOutUsesVertexShader = false;
    D3DXEFFECT_DESC EffectDesc;
    m_pD3DEffect->GetDesc ( &EffectDesc );
    for ( uint i = 0 ; i < EffectDesc.Techniques ; i++ )
    {
        D3DXHANDLE hTechnique = m_pD3DEffect->GetTechnique ( i );
        D3DXTECHNIQUE_DESC TechniqueDesc;
        m_pD3DEffect->GetTechniqueDesc( hTechnique, &TechniqueDesc );
        for ( uint i = 0 ; i < TechniqueDesc.Passes ; i++ )
        {
            D3DXPASS_DESC PassDesc;
            m_pD3DEffect->GetPassDesc ( m_pD3DEffect->GetPass ( hTechnique, i ), &PassDesc );
            if ( PassDesc.pVertexShaderFunction )
                bOutUsesVertexShader = true;
        }
    }

    bOutUsesDepthBuffer = m_bUsesDepthBuffer;

    // Add to list of clones
    assert ( !MapContains ( m_CloneList, pNewD3DEffect ) );
    MapInsert ( m_CloneList, pNewD3DEffect );
    return pNewD3DEffect;
}