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HLSL-Quelltext

struct VS_INPUT
{
float4 Pos : POSITION;
float4 Color : COLOR;
};

// ...

PS_INPUT VS( VS_INPUT input )
{
PS_INPUT output = (PS_INPUT)0;

// Dieser Code funktioniert nicht. Sind die M vielleicht NULL ?
// Keine Ahnung wie ich HLSL-Shader "debuggen" soll :(
/*output.Pos = mul( input.Pos, World );
output.Pos = mul( output.Pos, View );
output.Pos = mul( output.Pos, Projection );*/

// Funktioniert wunderbar
output.Pos = input.Pos;
output.Color = input.Color;

return output;
}

C-/C++-Quelltext

/**********

Codeteil: DX11 initialisieren. Mit Sorgfalt debuggt. Läuft wie eine eins

**********/

// Initialisierungen usw.

// NUN DEN BUFFER FÜR DEN SHADER ERSTELLEN!

// Wie gehabt...
D3DXMatrixIdentity(&g_World);
D3DXMatrixLookAtLH(&g_View, &D3DXVECTOR3(0.0f, 0.0f, 5.0f), &D3DXVECTOR3(0.0f, 0.0f, 0.0f), &D3DXVECTOR3(0.0f, 1.0f, 0.0f));
D3DXMatrixPerspectiveFovLH( &g_Projection , (0.78539816f), (float)(SCREEN_WIDTH/SCREEN_HEIGHT), 0.01f, 100.0f);

// Buffer erstellen
D3D11_MAPPED_SUBRESOURCE mappedResource;
ConstantBuffer* dataPtr;
unsigned int bufferNumber;

// (Das ist eine vorrübergehende Lösung)
D3DXMATRIX local_world, local_view, local_projection;

D3DXMatrixTranspose(&g_World, &local_world);
D3DXMatrixTranspose(&g_View, &local_view);
D3DXMatrixTranspose(&g_Projection, &local_projection);

// Lock the constant buffer so it can be written to.
hr = devcon->Map(g_pConstantBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedResource);

// Get a pointer to the data in the constant buffer.
dataPtr = (ConstantBuffer*)mappedResource.pData;

dataPtr->mProjection = local_projection;
dataPtr->mView = local_view;
dataPtr->mWorld = local_world;

// Unlock the constant buffer.
devcon->Unmap(g_pConstantBuffer, 0);

// Set the position of the constant buffer in the vertex shader.
bufferNumber = 0;

// Finanly set the constant buffer in the vertex shader with the updated values.
devcon->VSSetConstantBuffers(bufferNumber, 1, &g_pConstantBuffer);

C-/C++-Quelltext

devcon->ClearRenderTargetView(backbuffer, D3DXCOLOR(0.0f, 0.2f, 0.4f, 1.0f));

// select which vertex buffer to display
UINT stride = sizeof(VERTEX);
UINT offset = 0;
devcon->IASetVertexBuffers(0, 1, &pVBuffer, &stride, &offset);

// Dreiecksliste
devcon->IASetPrimitiveTopology(D3D10_PRIMITIVE_TOPOLOGY_TRIANGLELIST);

if ( nullptr != g_pConstantBuffer) {

ConstantBuffer cb;

// Alles neu!
D3DXMatrixIdentity(&g_World);
D3DXMatrixLookAtLH(&g_View, &D3DXVECTOR3(0.0f, 0.0f, 0.5f), &D3DXVECTOR3(0.0f, 0.0f, 0.0f), &D3DXVECTOR3(0.0f, 1.0f, 0.0f));
D3DXMatrixPerspectiveFovLH( &g_Projection , ((float)D3DX_PI/4.0f), (float)(SCREEN_WIDTH/SCREEN_HEIGHT), 0.01f, 100.0f);

D3DXMatrixTranspose( &cb.mWorld, &g_World);
D3DXMatrixTranspose( &cb.mView , &g_View );
D3DXMatrixTranspose( &cb.mProjection, &g_Projection );

devcon->UpdateSubresource( g_pConstantBuffer, 0, NULL, &cb, 0, 0 );

devcon->VSSetConstantBuffers(0, 1, &g_pConstantBuffer);

devcon->VSSetShader(pVS, 0, 0);
devcon->PSSetShader(pPS, 0, 0);

}

devcon->Draw(3, 0);
swapchain->Present(0, 0);