Introduction to Vertex Shaders - Introduction to 3D Game Programming with DirectX 9.0 - page 305

}

if(FAILED(hr))
{

::MessageBox(0, "D3DXCompileShaderFromFile() - FAILED", 0, 0);
return false;

}

//
// Create shader
//

hr = Device->CreateVertexShader(
(DWORD*)shader->GetBufferPointer(),
&DiffuseShader);

if(FAILED(hr))
{

::MessageBox(0, "CreateVertexShader - FAILED", 0, 0);
return false;

}

d3d::Release<ID3DXBuffer*>(shader);

//
// Get Handles
//

ViewMatrixHandle = DiffuseConstTable->GetConstantByName(
0, "ViewMatrix");
ViewProjMatrixHandle = DiffuseConstTable->GetConstantByName(
0, "ViewProjMatrix");
AmbientMtrlHandle = DiffuseConstTable->GetConstantByName(
0, "AmbientMtrl");
DiffuseMtrlHandle = DiffuseConstTable->GetConstantByName(
0, "DiffuseMtrl");

LightDirHandle = DiffuseConstTable->GetConstantByName(

0, "LightDirection");

//
// Set shader constants:
//

// Light direction:
D3DXVECTOR4 directionToLight(-0.57f, 0.57f, -0.57f, 0.0f);
DiffuseConstTable->SetVector(Device, LightDirHandle,
&directionToLight);

// Materials:
D3DXVECTOR4 ambientMtrl(0.0f, 0.0f, 1.0f, 1.0f);
D3DXVECTOR4 diffuseMtrl(0.0f, 0.0f, 1.0f, 1.0f);
DiffuseConstTable->SetVector(Device,AmbientMtrlHandle,&ambientMtrl);
DiffuseConstTable->SetVector(Device,DiffuseMtrlHandle,&diffuseMtrl);
DiffuseConstTable->SetDefaults(Device);