void RenderTargetD3D9::setRenderState( const RenderState & rs)
{
//矩阵状态
setWorldMatrix( rs.m_mtxWorld);
setViewMatrix(rs.m_mtxView);
setProjectionMatrix( rs.m_mtxProjection);
//背面拣选
setCullingMode(rs.m_cullingMode);
//光照参数
setLightingEnabled(rs.m_bLightingEnabled);
//深度检测
setDepthBufferCheckEnabled(rs.m_bDepthCheckEnabled);
setDepthBufferFunction(rs.m_DepthBufferFunction);
setDepthBufferWriteEnabled(rs.m_bDepthWriteEnabled);
}
void RenderDeviceD3D::initialize()
{
int width = m_Width;
int height = m_Height;
HRESULT hr;
// Init the render target
ID3D11Texture2D *pBackBuffer;
m_Swapchain->GetBuffer(0, __uuidof(ID3D11Texture2D), (LPVOID*)&pBackBuffer);
m_Device->CreateRenderTargetView(pBackBuffer, NULL, &m_RenderTargetView);
pBackBuffer->Release();
// Depth buffer
D3D11_TEXTURE2D_DESC descDepth;
ZeroMemory( &descDepth, sizeof(descDepth) );
descDepth.Width = width;
descDepth.Height = height;
descDepth.MipLevels = 1;
descDepth.ArraySize = 1;
descDepth.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
descDepth.SampleDesc.Count = 1;
descDepth.SampleDesc.Quality = 0;
descDepth.Usage = D3D11_USAGE_DEFAULT;
descDepth.BindFlags = D3D11_BIND_DEPTH_STENCIL;
descDepth.CPUAccessFlags = 0;
descDepth.MiscFlags = 0;
hr = m_Device->CreateTexture2D( &descDepth, NULL, &m_DepthStencil );
if (FAILED(hr)) {
return;
}
D3D11_DEPTH_STENCIL_VIEW_DESC descDSV;
ZeroMemory( &descDSV, sizeof(descDSV) );
descDSV.Format = descDepth.Format;
descDSV.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D;
descDSV.Texture2D.MipSlice = 0;
hr = m_Device->CreateDepthStencilView( m_DepthStencil, &descDSV, &m_DepthStencilView );
if (hr == S_FALSE) {
std::cerr << "Depth buffer problem" << std::endl;
} else if (FAILED(hr)) {
return;
}
setDepthStencilMode(DEPTH);
setBlendingMode(NO_BLENDING);
setCullingMode(NO_CULLING);
// Set the viewport
D3D11_VIEWPORT viewport;
ZeroMemory(&viewport, sizeof(D3D11_VIEWPORT));
viewport.TopLeftX = 0;
viewport.TopLeftY = 0;
viewport.Width = width;
viewport.Height = height;
viewport.MinDepth = 0.0f;
viewport.MaxDepth = 1.0f;
m_DeviceContext->RSSetViewports(1, &viewport);
bindBackBuffer();
}