#include "GraphicsApi.h"
#include "Fenster.h"
#include "Bild.h"
#include "TexturModel.h"
#include "Textur.h"
#include "Shader.h"
#include "Globals.h"
#include "UIVertexShader.h"
#include "UIPixelShader.h"
#include "Render3D.h"
#include "TexturList.h"
#include "Kam3D.h"
#include "DLLRegister.h"
#include <d3d11.h>
#include <d3d9.h>

using namespace Framework;
GraphicsApi::GraphicsApi( GraphicApiType typ )
{
    this->typ = typ;
    fenster = 0;
    backBufferSize = Vec2<int>( 0, 0 );
    fullScreen = 0;
    ref = 1;
}

GraphicsApi::~GraphicsApi()
{
    if( fenster )
        fenster->release();
}

void GraphicsApi::initialize( WFenster * fenster, Vec2<int> backBufferSize, bool fullScreen )
{
    if( this->fenster )
        this->fenster->release();
    this->fenster = fenster;
    this->backBufferSize = backBufferSize;
    this->fullScreen = fullScreen;
}

void GraphicsApi::setBackBufferSize( Vec2< int > size )
{
    backBufferSize = size;
    update();
}

void GraphicsApi::setFullScreen( bool fullScreen )
{
    this->fullScreen = fullScreen;
    update();
}

void GraphicsApi::beginFrame( bool fill2D, bool fill3D, int fillColor )
{}

void GraphicsApi::renderKamera( Kam3D *zKamera )
{}

GraphicApiType GraphicsApi::getTyp() const
{
    return typ;
}

Vec2< int > GraphicsApi::getBackBufferSize() const
{
    return backBufferSize;
}

bool GraphicsApi::isFullScreen() const
{
    return fullScreen;
}

GraphicsApi *GraphicsApi::getThis()
{
    ref++;
    return this;
}

GraphicsApi *GraphicsApi::release()
{
    if( !--ref )
        delete this;
    return 0;
}


DirectX9::DirectX9()
    : GraphicsApi( DIRECTX9 ),
    pDirect3D( 0 ),
    pDevice( 0 ),
    pBackBuffer( 0 ),
    backRect( new D3DLOCKED_RECT() )
{
    uiBild = new Bild( 1 );
}

DirectX9::~DirectX9()
{
    backRect->pBits = NULL;
    if( pBackBuffer )
    {
        pBackBuffer->Release();
        pBackBuffer = NULL;
    }
    if( pDevice )
    {
        pDevice->Release();
        pDevice = NULL;
    }
    if( pDirect3D )
    {
        pDirect3D->Release();
        pDirect3D = NULL;
    }
    uiBild->release();
}

typedef IDirect3D9 *( *D3D9CreateFunction )( UINT );

void DirectX9::initialize( WFenster * fenster, Vec2<int> backBufferSize, bool fullScreen )
{
    if( pDirect3D )
        return GraphicsApi::initialize( fenster, backBufferSize, fullScreen );
    GraphicsApi::initialize( fenster, backBufferSize, fullScreen );

    HINSTANCE dll = getDLLRegister()->ladeDLL( "d3d9.dll", "d3d9.dll" );
    D3D9CreateFunction direct3DCreate9 = (D3D9CreateFunction)GetProcAddress( dll, "Direct3DCreate9" );

    pDirect3D = direct3DCreate9( D3D_SDK_VERSION );

    D3DPRESENT_PARAMETERS d3dpp;
    ZeroMemory( &d3dpp, sizeof( d3dpp ) );
    d3dpp.Windowed = !fullScreen;
    d3dpp.hDeviceWindow = fenster->getFensterHandle();
    d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
    d3dpp.BackBufferFormat = D3DFMT_X8R8G8B8;
    d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_ONE;
    d3dpp.Flags = D3DPRESENTFLAG_LOCKABLE_BACKBUFFER;
    if( !backBufferSize.x || !backBufferSize.y )
        backBufferSize = fenster->getKörperGröße();
    d3dpp.BackBufferHeight = backBufferSize.y;
    d3dpp.BackBufferWidth = backBufferSize.x;

    uiBild->neuBild( backBufferSize.x, backBufferSize.y, 0xFF000000 );

    HRESULT result = pDirect3D->CreateDevice( D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, fenster->getFensterHandle(),
                                      D3DCREATE_HARDWARE_VERTEXPROCESSING | D3DCREATE_PUREDEVICE, &d3dpp, &pDevice );
    if( result != S_OK )
        WMessageBox( fenster->getFensterHandle(), new Text( "Fehler" ), new Text( "DirectX 9 konnte nicht initialisiert werden." ), MB_ICONERROR );
    if( pDevice )
        result = pDevice->GetBackBuffer( 0, 0, D3DBACKBUFFER_TYPE_MONO, &pBackBuffer );
    if( result != S_OK )
        WMessageBox( fenster->getFensterHandle(), new Text( "Fehler" ), new Text( "DirectX 9 konnte nicht initialisiert werden." ), MB_ICONERROR );
}

void DirectX9::update()
{
    if( !pDirect3D )
        return;
    backRect->pBits = NULL;
    if( pBackBuffer )
    {
        pBackBuffer->Release();
        pBackBuffer = NULL;
    }
    if( pDevice )
    {
        pDevice->Release();
        pDevice = NULL;
    }
    D3DPRESENT_PARAMETERS d3dpp;
    ZeroMemory( &d3dpp, sizeof( d3dpp ) );
    d3dpp.Windowed = !fullScreen;
    d3dpp.hDeviceWindow = fenster->getFensterHandle();
    d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
    d3dpp.BackBufferFormat = D3DFMT_X8R8G8B8;
    d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_ONE;
    d3dpp.Flags = D3DPRESENTFLAG_LOCKABLE_BACKBUFFER;
    if( !backBufferSize.x || !backBufferSize.y )
        backBufferSize = fenster->getKörperGröße();
    d3dpp.BackBufferHeight = backBufferSize.y;
    d3dpp.BackBufferWidth = backBufferSize.x;

    uiBild->neuBild( backBufferSize.x, backBufferSize.y, 0xFF000000 );

    HRESULT result = pDirect3D->CreateDevice( D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, fenster->getFensterHandle(),
                                              D3DCREATE_HARDWARE_VERTEXPROCESSING | D3DCREATE_PUREDEVICE, &d3dpp, &pDevice );
    if( result != S_OK )
        WMessageBox( fenster->getFensterHandle(), new Text( "Fehler" ), new Text( "DirectX 9 konnte nicht initialisiert werden." ), MB_ICONERROR );
    if( pDevice )
        result = pDevice->GetBackBuffer( 0, 0, D3DBACKBUFFER_TYPE_MONO, &pBackBuffer );
    if( result != S_OK )
        WMessageBox( fenster->getFensterHandle(), new Text( "Fehler" ), new Text( "DirectX 9 konnte nicht initialisiert werden." ), MB_ICONERROR );
}

void DirectX9::beginFrame( bool fill2D, bool fill3D, int fillColor )
{
    if( fill2D )
        uiBild->setFarbe( fillColor );
}

void DirectX9::presentFrame()
{
    if( !uiBild->getBuffer() )
        return;
    HRESULT result;
    result = pBackBuffer->LockRect( backRect, 0, 0 );
    if( result != S_OK )
    {
        WMessageBox( fenster ? fenster->getFensterHandle() : 0, new Text( "Fehler" ), new Text( "Es ist ein Fehler beim rendern aufgetreten." ), MB_ICONERROR );
        update();
    }
    // kopieren zum Bildschrirm 
    int *bgBuff = uiBild->getBuffer();
    int tmpBr = sizeof( D3DCOLOR ) * uiBild->getBreite();
    for( int y = 0, pitch = 0, bry = 0; y < uiBild->getHeight(); ++y, pitch += backRect->Pitch, bry += uiBild->getBreite() )
        memcpy( &( (BYTE *)backRect->pBits )[ pitch ], ( void * ) & ( bgBuff[ bry ] ), tmpBr );
    // Beende Bild 
    result = pBackBuffer->UnlockRect();
    if( result != S_OK )
    {
        WMessageBox( fenster ? fenster->getFensterHandle() : 0, new Text( "Fehler" ), new Text( "Es ist ein Fehler beim rendern aufgetreten." ), MB_ICONERROR );
        update();
    }
    if( result != S_OK )
    {
        WMessageBox( fenster ? fenster->getFensterHandle() : 0, new Text( "Fehler" ), new Text( "Es ist ein Fehler beim rendern aufgetreten." ), MB_ICONERROR );
        update();
    }
    result = pDevice->Present( 0, 0, 0, 0 );
    if( result != S_OK )
    {
        WMessageBox( fenster ? fenster->getFensterHandle() : 0, new Text( "Fehler" ), new Text( "Es ist ein Fehler beim rendern aufgetreten." ), MB_ICONERROR );
        update();
    }
}

Bild *DirectX9::zUIRenderBild() const
{
    return uiBild;
}


DirectX11::DirectX11()
    : GraphicsApi( DIRECTX11 ),
    d3d11Device( 0 ),
    d3d11Context( 0 ),
    d3d11SpawChain( 0 ),
    uiTextur( 0 ),
    vertexShader( 0 ),
    pixelShader( 0 ),
    sampleState( 0 ),
    rtview( 0 ),
    dsView( 0 ),
    depthStencilBuffer( 0 ),
    depthStencilState( 0 ),
    depthDisabledStencilState( 0 ),
    blendStateAlphaBlend( 0 ),
    vp( 0 ),
    texturModel( new TexturModel() ),
    renderObj( new Render3D() ),
    texturRegister( new TexturList() )
{}

DirectX11::~DirectX11()
{
    if( renderObj )
    {
        renderObj->release();
        renderObj = 0;
    }
    texturModel->release();
    texturRegister->release();
    if( blendStateAlphaBlend )
    {
        blendStateAlphaBlend->Release();
        blendStateAlphaBlend = NULL;
    }
    if( uiTextur )
    {
        uiTextur->release();
        uiTextur = NULL;
    }
    if( sampleState )
    {
        sampleState->Release();
        sampleState = NULL;
    }
    if( pixelShader )
    {
        pixelShader->release();
        pixelShader = NULL;
    }
    if( vertexShader )
    {
        vertexShader->release();
        vertexShader = NULL;
    }
    if( depthDisabledStencilState )
    {
        depthDisabledStencilState->Release();
        depthDisabledStencilState = NULL;
    }
    delete vp;
    vp = 0;
    if( dsView )
    {
        dsView->Release();
        dsView = NULL;
    }
    if( depthStencilState )
    {
        depthStencilState->Release();
        depthStencilState = NULL;
    }
    if( depthStencilBuffer )
    {
        depthStencilBuffer->Release();
        depthStencilBuffer = NULL;
    }
    if( rtview )
    {
        rtview->Release();
        rtview = NULL;
    }
    if( d3d11SpawChain )
    {
        d3d11SpawChain->Release();
        d3d11SpawChain = NULL;
    }
    if( d3d11Device )
    {
        d3d11Device->Release();
        d3d11Device = NULL;
    }
    if( d3d11Context )
    {
        d3d11Context->Release();
        d3d11Context = NULL;
    }
}

void DirectX11::initialize( WFenster *fenster, Vec2<int> backBufferSize, bool fullScreen )
{
    if( d3d11Device )
        return GraphicsApi::initialize( fenster, backBufferSize, fullScreen );
    GraphicsApi::initialize( fenster, backBufferSize, fullScreen );
    //--------------------------------------------------------------------
    // Create Device

    // create a struct to hold information about the swap chain
    DXGI_SWAP_CHAIN_DESC scd;

    // clear out the struct for use
    ZeroMemory( &scd, sizeof( DXGI_SWAP_CHAIN_DESC ) );

    // fill the swap chain description struct
    scd.BufferCount = 1;                                           // one back buffer
    scd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;             // how swap chain is to be used
    scd.OutputWindow = fenster ? fenster->getFensterHandle() : 0;  // the window to be used
    scd.SampleDesc.Count = 1;
    // Set the scan line ordering and scaling to unspecified.
    scd.BufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
    scd.BufferDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;
    scd.Windowed = !fullScreen;
    if( !backBufferSize.x || !backBufferSize.y )
        backBufferSize = fenster ? fenster->getKörperGröße() : Punkt( 0, 0 );
    scd.BufferDesc.Width = backBufferSize.x;
    scd.BufferDesc.Height = backBufferSize.y;                 // windowed/full-screen mode
    scd.BufferDesc.RefreshRate.Denominator = 1;
    scd.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;       // use 32-bit color
                                                              // Discard the back buffer contents after presenting.
    scd.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;

    D3D_FEATURE_LEVEL featureLevel = D3D_FEATURE_LEVEL_11_0;
    D3D_FEATURE_LEVEL support = D3D_FEATURE_LEVEL_11_0;
    // create a device, device context and swap chain using the information in the scd struct
    UINT flag = 0;
#ifdef _DEBUG
    flag |= D3D11_CREATE_DEVICE_DEBUG;
#endif
    HRESULT result = D3D11CreateDeviceAndSwapChain( NULL,
                                            D3D_DRIVER_TYPE_HARDWARE,
                                            NULL,
                                            flag,
                                            &featureLevel,
                                            1,
                                            D3D11_SDK_VERSION,
                                            &scd,
                                            &d3d11SpawChain,
                                            &d3d11Device,
                                            &support,
                                            &d3d11Context );
    if( result != S_OK )
    {
        std::cout << "ERROR: D3D11CreateDeviceAndSwapChain returned " << result << "\n";
        WMessageBox( fenster->getFensterHandle(), new Text( "Fehler" ), new Text( "DirectX 11 konnte nicht initialisiert werden." ), MB_ICONERROR );
        return;
    }
    ID3D11Texture2D *backBufferPtr;
    // Get the pointer to the back buffer.
    result = d3d11SpawChain->GetBuffer( 0, __uuidof( ID3D11Texture2D ), (LPVOID *)& backBufferPtr );
    if( result != S_OK )
    {
        std::cout << "ERROR: d3d11SpawChain->GetBuffer returned " << result << "\n";
        WMessageBox( fenster->getFensterHandle(), new Text( "Fehler" ), new Text( "DirectX 11 konnte nicht initialisiert werden." ), MB_ICONERROR );
        return;
    }
    // Create the render target view with the back buffer pointer.
    result = d3d11Device->CreateRenderTargetView( backBufferPtr, NULL, &rtview );
    if( result != S_OK )
    {
        std::cout << "ERROR: d3d11Device->CreateRenderTargetView returned " << result << "\n";
        WMessageBox( fenster->getFensterHandle(), new Text( "Fehler" ), new Text( "DirectX 11 konnte nicht initialisiert werden." ), MB_ICONERROR );
        return;
    }
    // Release pointer to the back buffer as we no longer need it.
    backBufferPtr->Release();
    // Initialize the description of the depth buffer.
    D3D11_TEXTURE2D_DESC depthBufferDesc;
    ZeroMemory( &depthBufferDesc, sizeof( depthBufferDesc ) );
    // Set up the description of the depth buffer.
    depthBufferDesc.Width = backBufferSize.x;
    depthBufferDesc.Height = backBufferSize.y;
    depthBufferDesc.MipLevels = 1;
    depthBufferDesc.ArraySize = 1;
    depthBufferDesc.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
    depthBufferDesc.SampleDesc.Count = 1;
    depthBufferDesc.Usage = D3D11_USAGE_DEFAULT;
    depthBufferDesc.BindFlags = D3D11_BIND_DEPTH_STENCIL;
    // Create the texture for the depth buffer using the filled out description.
    result = d3d11Device->CreateTexture2D( &depthBufferDesc, NULL, &depthStencilBuffer );
    if( result != S_OK )
    {
        std::cout << "ERROR: d3d11Device->CreateTexture2D returned " << result << "\n";
        WMessageBox( fenster->getFensterHandle(), new Text( "Fehler" ), new Text( "DirectX 11 konnte nicht initialisiert werden." ), MB_ICONERROR );
        return;
    }
    // Initialize the description of the stencil state.
    D3D11_DEPTH_STENCIL_DESC depthStencilDesc;
    ZeroMemory( &depthStencilDesc, sizeof( depthStencilDesc ) );

    // Set up the description of the stencil state.
    depthStencilDesc.DepthEnable = true;
    depthStencilDesc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ALL;
    depthStencilDesc.DepthFunc = D3D11_COMPARISON_LESS_EQUAL;
    depthStencilDesc.StencilEnable = true;
    depthStencilDesc.StencilReadMask = 0xFF;
    depthStencilDesc.StencilWriteMask = 0xFF;
    // Stencil operations if pixel is front-facing.
    depthStencilDesc.FrontFace.StencilFailOp = D3D11_STENCIL_OP_KEEP;
    depthStencilDesc.FrontFace.StencilDepthFailOp = D3D11_STENCIL_OP_DECR;
    depthStencilDesc.FrontFace.StencilPassOp = D3D11_STENCIL_OP_KEEP;
    depthStencilDesc.FrontFace.StencilFunc = D3D11_COMPARISON_ALWAYS;
    // Stencil operations if pixel is back-facing.
    depthStencilDesc.BackFace.StencilFailOp = D3D11_STENCIL_OP_KEEP;
    depthStencilDesc.BackFace.StencilDepthFailOp = D3D11_STENCIL_OP_INCR;
    depthStencilDesc.BackFace.StencilPassOp = D3D11_STENCIL_OP_KEEP;
    depthStencilDesc.BackFace.StencilFunc = D3D11_COMPARISON_ALWAYS;
    // Create the depth stencil state.
    result = d3d11Device->CreateDepthStencilState( &depthStencilDesc, &depthStencilState );
    if( result != S_OK )
    {
        std::cout << "ERROR: d3d11Device->CreateDepthStencilState returned " << result << "\n";
        WMessageBox( fenster->getFensterHandle(), new Text( "Fehler" ), new Text( "DirectX 11 konnte nicht initialisiert werden." ), MB_ICONERROR );
        return;
    }
    d3d11Context->OMSetDepthStencilState( depthStencilState, 1 );

    // Initialize the depth stencil view.
    D3D11_DEPTH_STENCIL_VIEW_DESC depthStencilViewDesc;
    ZeroMemory( &depthStencilViewDesc, sizeof( depthStencilViewDesc ) );

    // Set up the depth stencil view description.
    depthStencilViewDesc.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
    depthStencilViewDesc.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D;

    // Create the depth stencil view.
    result = d3d11Device->CreateDepthStencilView( depthStencilBuffer, &depthStencilViewDesc, &dsView );
    if( result != S_OK )
    {
        std::cout << "ERROR: d3d11Device->CreateDepthStencilView returned " << result << "\n";
        WMessageBox( fenster->getFensterHandle(), new Text( "Fehler" ), new Text( "DirectX 11 konnte nicht initialisiert werden." ), MB_ICONERROR );
        return;
    }
    d3d11Context->OMSetRenderTargets( 1, &rtview, dsView );

    vp = new D3D11_VIEWPORT();
    memset( vp, 0, sizeof( D3D11_VIEWPORT ) );
    vp->Width = (float)backBufferSize.x;
    vp->Height = (float)backBufferSize.y;
    vp->MinDepth = 0.0f;
    vp->MaxDepth = 1.0f;
    vp->TopLeftX = 0.0f;
    vp->TopLeftY = 0.0f;

    d3d11Context->RSSetViewports( 1, vp );

    D3D11_DEPTH_STENCIL_DESC depthDisabledStencilDesc;
    // Clear the second depth stencil state before setting the parameters.
    ZeroMemory( &depthDisabledStencilDesc, sizeof( depthDisabledStencilDesc ) );

    // Now create a second depth stencil state which turns off the Z buffer for 2D rendering.  The only difference is 
    // that DepthEnable is set to false, all other parameters are the same as the other depth stencil state.
    depthDisabledStencilDesc.DepthEnable = false;
    depthDisabledStencilDesc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ALL;
    depthDisabledStencilDesc.DepthFunc = D3D11_COMPARISON_LESS;
    depthDisabledStencilDesc.StencilEnable = true;
    depthDisabledStencilDesc.StencilReadMask = 0xFF;
    depthDisabledStencilDesc.StencilWriteMask = 0xFF;
    depthDisabledStencilDesc.FrontFace.StencilFailOp = D3D11_STENCIL_OP_KEEP;
    depthDisabledStencilDesc.FrontFace.StencilDepthFailOp = D3D11_STENCIL_OP_INCR;
    depthDisabledStencilDesc.FrontFace.StencilPassOp = D3D11_STENCIL_OP_KEEP;
    depthDisabledStencilDesc.FrontFace.StencilFunc = D3D11_COMPARISON_ALWAYS;
    depthDisabledStencilDesc.BackFace.StencilFailOp = D3D11_STENCIL_OP_KEEP;
    depthDisabledStencilDesc.BackFace.StencilDepthFailOp = D3D11_STENCIL_OP_DECR;
    depthDisabledStencilDesc.BackFace.StencilPassOp = D3D11_STENCIL_OP_KEEP;
    depthDisabledStencilDesc.BackFace.StencilFunc = D3D11_COMPARISON_ALWAYS;

    // Create the state using the device.
    result = d3d11Device->CreateDepthStencilState( &depthDisabledStencilDesc, &depthDisabledStencilState );
    if( result != S_OK )
    {
        std::cout << "ERROR: d3d11Device->CreateDepthStencilState returned " << result << "\n";
        WMessageBox( fenster->getFensterHandle(), new Text( "Fehler" ), new Text( "DirectX 11 konnte nicht initialisiert werden." ), MB_ICONERROR );
        return;
    }
    //-------------------------------------------------
    // Shaders
    vertexShader = new VertexShader();
    vertexShader->setCompiledByteArray( d3d11Device, (unsigned char *)UIVertexShader, sizeof( UIVertexShader ) );

    pixelShader = new PixelShader();
    pixelShader->setCompiledByteArray( d3d11Device, (unsigned char *)UIPixelShader, sizeof( UIPixelShader ) );

    D3D11_INPUT_ELEMENT_DESC polygonLayout[ 4 ];
    // Create the vertex input layout description.
    // This setup needs to match the VertexType stucture in the ModelClass and in the shader.
    polygonLayout[ 0 ].SemanticName = "POSITION";
    polygonLayout[ 0 ].SemanticIndex = 0;
    polygonLayout[ 0 ].Format = DXGI_FORMAT_R32G32B32_FLOAT;
    polygonLayout[ 0 ].InputSlot = 0;
    polygonLayout[ 0 ].AlignedByteOffset = 0;
    polygonLayout[ 0 ].InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA;
    polygonLayout[ 0 ].InstanceDataStepRate = 0;

    polygonLayout[ 1 ].SemanticName = "TEXCOORD";
    polygonLayout[ 1 ].SemanticIndex = 0;
    polygonLayout[ 1 ].Format = DXGI_FORMAT_R32G32_FLOAT;
    polygonLayout[ 1 ].InputSlot = 0;
    polygonLayout[ 1 ].AlignedByteOffset = D3D11_APPEND_ALIGNED_ELEMENT;
    polygonLayout[ 1 ].InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA;
    polygonLayout[ 1 ].InstanceDataStepRate = 0;

    polygonLayout[ 2 ].SemanticName = "NORMAL";
    polygonLayout[ 2 ].SemanticIndex = 0;
    polygonLayout[ 2 ].Format = DXGI_FORMAT_R32G32B32_FLOAT;
    polygonLayout[ 2 ].InputSlot = 0;
    polygonLayout[ 2 ].AlignedByteOffset = D3D11_APPEND_ALIGNED_ELEMENT;
    polygonLayout[ 2 ].InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA;
    polygonLayout[ 2 ].InstanceDataStepRate = 0;

    polygonLayout[ 3 ].SemanticName = "KNOCHEN_ID";
    polygonLayout[ 3 ].SemanticIndex = 0;
    polygonLayout[ 3 ].Format = DXGI_FORMAT_R32_UINT;
    polygonLayout[ 3 ].InputSlot = 0;
    polygonLayout[ 3 ].AlignedByteOffset = D3D11_APPEND_ALIGNED_ELEMENT;
    polygonLayout[ 3 ].InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA;
    polygonLayout[ 3 ].InstanceDataStepRate = 0;

    vertexShader->erstelleInputLayout( d3d11Device, polygonLayout, 4 );
    vertexShader->erstelleConstBuffer( d3d11Device, sizeof( Mat4< float > ) * MAX_KNOCHEN_ANZ, 0 ); // matrizen für skelett annimationen
    vertexShader->erstelleConstBuffer( d3d11Device, sizeof( Mat4< float > ) * 2, 1 ); // View and Projection Matrix

    pixelShader->erstelleConstBuffer( d3d11Device, sizeof( float ) * 3, 0 ); // Kamera Position
    pixelShader->erstelleConstBuffer( d3d11Device, sizeof( float ) * 3, 1 ); // materialkonstanten nach phong model
    pixelShader->erstelleConstBuffer( d3d11Device, sizeof( int ) * 2, 2 ); // materialkonstanten nach phong model
    // TODO: Remove Following Test Code
    int lc[] = { 1, 6 };
    pixelShader->füllConstBuffer( d3d11Context, (char *)lc, 2, sizeof( int ) * 2 );

    // Create a texture sampler state description.
    D3D11_SAMPLER_DESC samplerDesc;
    samplerDesc.Filter = D3D11_FILTER_MIN_MAG_MIP_LINEAR;
    samplerDesc.AddressU = D3D11_TEXTURE_ADDRESS_WRAP;
    samplerDesc.AddressV = D3D11_TEXTURE_ADDRESS_WRAP;
    samplerDesc.AddressW = D3D11_TEXTURE_ADDRESS_WRAP;
    samplerDesc.MipLODBias = 0.0f;
    samplerDesc.MaxAnisotropy = 1;
    samplerDesc.ComparisonFunc = D3D11_COMPARISON_ALWAYS;
    samplerDesc.BorderColor[ 0 ] = 0;
    samplerDesc.BorderColor[ 1 ] = 0;
    samplerDesc.BorderColor[ 2 ] = 0;
    samplerDesc.BorderColor[ 3 ] = 0;
    samplerDesc.MinLOD = 0;
    samplerDesc.MaxLOD = D3D11_FLOAT32_MAX;

    // Create the texture sampler state.
    result = d3d11Device->CreateSamplerState( &samplerDesc, &sampleState );
    if( result != S_OK )
    {
        std::cout << "ERROR: d3d11Device->CreateSamplerState returned " << result << "\n";
        WMessageBox( fenster->getFensterHandle(), new Text( "Fehler" ), new Text( "DirectX 11 konnte nicht initialisiert werden." ), MB_ICONERROR );
        return;
    }
    //---------------------------------------------------------------
    // Framework Backbuffer Texture
    Bild *renderB = new Bild( 1 );
    renderB->setAlpha3D( 1 );
    renderB->neuBild( backBufferSize.x, backBufferSize.y, 0 );

    uiTextur = new Textur();
    uiTextur->setBildZ( renderB );
    texturRegister->addTextur( uiTextur->getThis(), "f_Render_Bild" );

    texturModel->setSize( backBufferSize );
    texturModel->setTextur( uiTextur->getThis() );

    D3D11_BLEND_DESC blendState;
    ZeroMemory( &blendState, sizeof( D3D11_BLEND_DESC ) );
    blendState.AlphaToCoverageEnable = false;
    blendState.IndependentBlendEnable = false;
    blendState.RenderTarget[ 0 ].BlendEnable = true;
    blendState.RenderTarget[ 0 ].SrcBlend = D3D11_BLEND_SRC_ALPHA;
    blendState.RenderTarget[ 0 ].DestBlend = D3D11_BLEND_INV_SRC_ALPHA;
    blendState.RenderTarget[ 0 ].BlendOp = D3D11_BLEND_OP_ADD;
    blendState.RenderTarget[ 0 ].SrcBlendAlpha = D3D11_BLEND_ZERO;
    blendState.RenderTarget[ 0 ].DestBlendAlpha = D3D11_BLEND_ONE;
    blendState.RenderTarget[ 0 ].BlendOpAlpha = D3D11_BLEND_OP_ADD;
    blendState.RenderTarget[ 0 ].RenderTargetWriteMask = D3D11_COLOR_WRITE_ENABLE_ALL;

    d3d11Device->CreateBlendState( &blendState, &blendStateAlphaBlend );
    d3d11Context->OMSetBlendState( blendStateAlphaBlend, 0, 0xFFFFFFFF );

    // Setup Render Objekt
    if( renderObj )
        renderObj->release();
    renderObj = new Render3D();
    d3d11Device->AddRef();
    renderObj->setDevice( d3d11Device );
    d3d11Context->AddRef();
    renderObj->setContext( d3d11Context );

    renderObj->benutzeShader( VERTEX, vertexShader->getThis() );
    d3d11Context->PSSetSamplers( 0, 1, &sampleState );
    renderObj->benutzeShader( PIXEL, pixelShader->getThis() );
}

void DirectX11::update()
{
    if( renderObj )
    {
        renderObj->release();
        renderObj = 0;
    }
    texturModel->release();
    texturRegister->leeren();
    if( blendStateAlphaBlend )
    {
        blendStateAlphaBlend->Release();
        blendStateAlphaBlend = NULL;
    }
    if( uiTextur )
    {
        uiTextur->release();
        uiTextur = NULL;
    }
    if( sampleState )
    {
        sampleState->Release();
        sampleState = NULL;
    }
    if( pixelShader )
    {
        pixelShader->release();
        pixelShader = NULL;
    }
    if( vertexShader )
    {
        vertexShader->release();
        vertexShader = NULL;
    }
    if( depthDisabledStencilState )
    {
        depthDisabledStencilState->Release();
        depthDisabledStencilState = NULL;
    }
    delete vp;
    vp = 0;
    if( dsView )
    {
        dsView->Release();
        dsView = NULL;
    }
    if( depthStencilState )
    {
        depthStencilState->Release();
        depthStencilState = NULL;
    }
    if( depthStencilBuffer )
    {
        depthStencilBuffer->Release();
        depthStencilBuffer = NULL;
    }
    if( rtview )
    {
        rtview->Release();
        rtview = NULL;
    }
    if( d3d11SpawChain )
    {
        d3d11SpawChain->Release();
        d3d11SpawChain = NULL;
    }
    if( d3d11Device )
    {
        d3d11Device->Release();
        d3d11Device = NULL;
    }
    if( d3d11Context )
    {
        d3d11Context->Release();
        d3d11Context = NULL;
    }
    initialize( fenster->getThis(), backBufferSize, fullScreen );
}

void DirectX11::beginFrame( bool fill2D, bool fill3D, int fillColor )
{
    if( fill2D )
        uiTextur->zBild()->setFarbe( fillColor );
    if( fill3D )
    {
        float color[ 4 ];
        // Setup the color to clear the buffer.
        color[ 0 ] = ( ( fillColor >> 16 ) & 0xFF ) / 255.f; // R
        color[ 1 ] = ( ( fillColor >> 8 ) & 0xFF ) / 255.f; // G
        color[ 2 ] = ( fillColor & 0xFF ) / 255.f; // B
        color[ 3 ] = ( ( fillColor >> 24 ) & 0xFF ) / 255.f; // A
        d3d11Context->ClearRenderTargetView( rtview, color );
        // Clear the depth buffer.
        d3d11Context->ClearDepthStencilView( dsView, D3D11_CLEAR_DEPTH, 1, 0 );
    }
    // Bind the render target view and depth stencil buffer to the output render pipeline.
    d3d11Context->OMSetRenderTargets( 1, &rtview, dsView );
    // Set the depth stencil state.
    d3d11Context->OMSetDepthStencilState( depthStencilState, 1 );
}

void DirectX11::renderKamera( Kam3D *zKamera )
{
    zKamera->render( renderObj );
}

void DirectX11::presentFrame()
{
    // Set the depth stencil state.
    d3d11Context->OMSetDepthStencilState( depthDisabledStencilState, 1 );

    uiTextur->updateTextur( renderObj );

    d3d11Context->RSSetViewports( 1, vp );

    float screenAspect = (float)backBufferSize.x / (float)backBufferSize.y;
    Mat4< float > view = view.translation( Vec3< float >( 0.f, 0.f, backBufferSize.y * 1.2075f ) );
    renderObj->setKameraMatrix( view, view.projektion( (float)PI / 4.0f, screenAspect, 0.1f, 10000.f ), Vec3< float >( 0.f, 0.f, backBufferSize.y * 1.2075f ) );
    if( fenster && !IsIconic( fenster->getFensterHandle() ) )
        texturModel->render( renderObj );

    HRESULT result = d3d11SpawChain->Present( 0, 0 );
    if( !SUCCEEDED( result ) )
    {
        update();
        WMessageBox( fenster ? fenster->getFensterHandle() : 0, new Text( "Fehler" ), new Text( "Es ist ein Fehler beim rendern aufgetreten." ), MB_ICONERROR );
    }
}

Bild *DirectX11::zUIRenderBild() const
{
    return uiTextur->zBild();
}