bool D3DCodePath::loadGeometryShader(DataStream& stream)
{
if ( stream.getDataSize() > 0 )
{
HRESULT hr = mDevice.getDevice().CreateGeometryShader(stream.getData(), stream.getDataSize(), NULL, &mpGeometryShader);
if ( FAILED(hr) )
{
return false;
}
}
return true;
}
bool D3DCodePath::loadVertexShader(DataStream& stream)
{
HRESULT hr = mDevice.getDevice().CreateVertexShader(stream.getData(), stream.getDataSize(), NULL, &mpVertexShader);
if ( FAILED(hr) )
{
return false;
}
if ( !createInputLayout(stream) )
{
return false;
}
return true;
}
bool D3DCodePath::createInputLayout(const DataStream& stream)
{
const VertexLayout& layout = getVertexLayout();
D3D11_INPUT_ELEMENT_DESC* pdescs = new D3D11_INPUT_ELEMENT_DESC[layout.getSize()];
for ( int index = 0; index < layout.getSize(); ++index )
{
const VertexLayoutElement& element = layout[index];
D3D11_INPUT_ELEMENT_DESC& desc = pdescs[index];
memset(&desc, 0, sizeof(D3D11_INPUT_ELEMENT_DESC));
desc.SemanticName = _strdup(element.semantic.toUtf8().c_str());
switch ( element.size )
{
case 1:
desc.Format = DXGI_FORMAT_R32_FLOAT;
break;
case 2:
desc.Format = DXGI_FORMAT_R32G32_FLOAT;
break;
case 3:
desc.Format = DXGI_FORMAT_R32G32B32_FLOAT;
break;
case 4:
desc.Format = DXGI_FORMAT_R32G32B32A32_FLOAT;
break;
default:
return false;
}
desc.AlignedByteOffset = element.pos;
desc.InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA;
}
HRESULT hr = mDevice.getDevice().CreateInputLayout(pdescs, layout.getSize(), stream.getData(), stream.getDataSize(), &mpInputLayout);
for ( int index = 0; index < layout.getSize(); ++index )
{
D3D11_INPUT_ELEMENT_DESC& desc = pdescs[index];
delete[] desc.SemanticName;
}
delete[] pdescs;
if ( FAILED(hr) )
{
return false;
}
return true;
}
void DataStream::write(const DataStream& that)
{
writeInt(that.getDataSize());
writeBytes(that.getData(), that.getDataSize());
}