Method DrawStats

Source/DX9VideoProcessor.cpp:3057–3179

*/

HRESULT CDX9VideoProcessor::DrawStats(IDirect3DSurface9* pRenderTarget)
{
	if (m_windowRect.IsRectEmpty()) {
		return E_ABORT;
	}

	std::wstring str;
	str.reserve(700);
	str.assign(m_strStatsHeader);
	str.append(m_strStatsDispInfo);
	str += std::format(L"\nGraph. Adapter: {}", m_strAdapterDescription);

	wchar_t frametype = (m_CurrentSampleFmt >= DXVA2_SampleFieldInterleavedEvenFirst && m_CurrentSampleFmt <= DXVA2_SampleFieldSingleOdd) ? 'i' : 'p';
	str += std::format(
		L"\nFrame rate    : {:7.3f}{},{:7.3f}",
		m_pFilter->m_FrameStats.GetAverageFps(),
		frametype,
		m_pFilter->m_DrawStats.GetAverageFps()
	);

	str.append(m_strStatsInputFmt);

	str.append(m_strStatsVProc);

	const int dstW = m_videoRect.Width();
	const int dstH = m_videoRect.Height();
	if (m_iRotation) {
		str += std::format(L"\nScaling       : {}x{} r{}\u00B0> {}x{}", m_srcRectWidth, m_srcRectHeight, m_iRotation, dstW, dstH);
	} else {
		str += std::format(L"\nScaling       : {}x{} -> {}x{}", m_srcRectWidth, m_srcRectHeight, dstW, dstH);
	}
	if (m_srcRectWidth != dstW || m_srcRectHeight != dstH) {
		if (m_DXVA2VP.IsReady() && m_bVPScaling && !m_bVPScalingUseShaders) {
			str.append(L" DXVA2");
		} else {
			str += L' ';
			if (m_strShaderX) {
				str.append(m_strShaderX);
				if (m_strShaderY && m_strShaderY != m_strShaderX) {
					str += L'/';
					str.append(m_strShaderY);
				}
			} else if (m_strShaderY) {
				str.append(m_strShaderY);
			}
		}
	}

	if (m_strCorrection || m_pPostScaleShaders.size() || m_bDitherUsed) {
		str.append(L"\nPostProcessing:");
		if (m_strCorrection) {
			str += std::format(L" {},", m_strCorrection);
		}
		if (m_pPostScaleShaders.size()) {
			str += std::format(L" shaders[{}],", m_pPostScaleShaders.size());
		}
		if (m_bDitherUsed) {
			str.append(L" dither");