void D3DWrapper::WindowResized(unsigned int clientWidth, unsigned int clientHeight, unsigned int windowWidth, unsigned int windowHeight)
{
// Output debug information
Utility::Logger::Instance().D("Resize: %u x %u\n", clientWidth, clientHeight);
m_deviceContext->OMSetRenderTargets(0, NULL, NULL);
// Release references to resources
m_backBufferView = NULL;
m_depthStencilView = NULL;
m_depthStencilBuffer = NULL;
// Resize the internal buffers
HRESULT result = m_swapChain->ResizeBuffers(0, 0, 0, DXGI_FORMAT_UNKNOWN, DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH);
if (FAILED(result))
throw DirectXErrorM(result, "Failed to resize buffers");
// Recreate view to internal back buffer.
result = CreateBackBufferView();
if (FAILED(result))
throw DirectXErrorM(result, "Failed to recreate back buffer view");
// Recreate depth/stencil buffer
result = CreateDepthStencilBuffer(m_backBufferDescription.Width, m_backBufferDescription.Height);
if (FAILED(result))
throw DirectXErrorM(result, "Failed to recreate depth/stencil buffer");
m_deviceContext->OMSetRenderTargets(1, &m_backBufferView.Resource(), m_depthStencilView.Resource());
// Recreate the viewports
UpdateViewports(m_viewports);
}
D3DContext::D3DContext(ApplicationWindow* targetWindow, const Description& description)
: mTargetWindow(targetWindow)
{
if (!CreateDeviceAndSwapChain(description))
throw std::runtime_error("Failed to create device and swap chain");
if (!CreateBackBufferView())
throw std::runtime_error("Failed to create a back buffer view");
if (!CreateDepthStencilBuffer(description.DepthBuffer))
throw std::runtime_error("Failed to create a depth/stencil buffer");
mDevice->OMSetRenderTargets(1, &mBackBufferView, mDepthStencilView);
SetViewports(description.Viewports);
SetActiveViewport(0);
}
D3DWrapper::D3DWrapper(Window* targetWindow, const Description& description)
: m_targetWindow(targetWindow)
{
HRESULT result = S_OK;
m_targetWindow->AddEventListener(this);
result = CreateDeviceAndSwapChain(description.m_displayMode, description.m_fullscreen);
if (FAILED(result))
throw DirectXErrorM(result, "Failed to create device and swap chain");
result = CreateBackBufferView();
if (FAILED(result))
throw DirectXErrorM(result, "Failed to create back buffer view");
result = CreateDepthStencilBuffer(description.m_displayMode.m_width, description.m_displayMode.m_height);
if (FAILED(result))
throw DirectXErrorM(result, "Failed to create depth stencil buffer/view");
m_deviceContext->OMSetRenderTargets(1, &m_backBufferView.Resource(), m_depthStencilView.Resource());
SetViewports(description.m_viewports);
}
bool D3DContext::ResizeBuffers(Description::Buffer backBufferDescription, const Description::Buffer& depthBufferDescription)
{
backBufferDescription.Width = (backBufferDescription.Width == 0) ? mTargetWindow->GetClientWidth() : backBufferDescription.Width;
backBufferDescription.Height = (backBufferDescription.Height == 0) ? mTargetWindow->GetClientHeight() : backBufferDescription.Height;
SafeRelease(mBackBufferView);
SafeRelease(mDepthStencilBuffer);
SafeRelease(mDepthStencilView);
if (FAILED(mSwapChain->ResizeBuffers(0, backBufferDescription.Width, backBufferDescription.Height, DXGI_FORMAT_UNKNOWN, 0)))
return false;
if (!CreateBackBufferView())
return false;
if (!CreateDepthStencilBuffer(depthBufferDescription))
return false;
mBackBufferSize = backBufferDescription;
mDepthBufferSize = depthBufferDescription;
return true;
}