Function ScreenCapture

Chapter_14/src/Graphics.cpp:962–971

* Save the back buffer to disk using DirectxTk library. */

* Save the back buffer to disk using DirectxTk library.
*/
bool ScreenCapture(D3D12Global& d3d, std::string filename)
{
	HRESULT hr = CoInitialize(NULL);
	Utils::Validate(hr, L"Error: failed to initialize screen capture!");

	hr = SaveWICTextureToFile(d3d.cmdQueue, d3d.backBuffer[d3d.frameIndex], GUID_ContainerFormatPng, (std::wstring(filename.begin(), filename.end()) + L".png").c_str(), D3D12_RESOURCE_STATE_PRESENT, D3D12_RESOURCE_STATE_PRESENT, nullptr, nullptr, false);
	if (FAILED(hr)) return false;
	
	return true;
}

/**
 * Release D3D12 resources.