Function RenderText

amd_geometryfx_sample/src/GeometryFX_Sample.cpp:1071–1118

-------------------------------------------------------------------------------------- Render the help and statistics text. This function uses the ID3DXFont interface for efficient text rendering. --------------------------------------------------------------------------------------

// efficient text rendering.
//--------------------------------------------------------------------------------------
void RenderText()
{
    g_pTxtHelper->Begin();
    g_pTxtHelper->SetInsertionPos(5, 5);
    g_pTxtHelper->SetForegroundColor(XMVectorSet(1.0f, 1.0f, 0.0f, 1.0f));
    g_pTxtHelper->DrawTextLine(DXUTGetFrameStats(DXUTIsVsyncEnabled()));
    g_pTxtHelper->DrawTextLine(DXUTGetDeviceStats());

    float fEffectTime = (float)TIMER_GetTime(Gpu, L"Depth pass") * 1000.0f;
    WCHAR wcbuf[512] = {};
    swprintf_s(wcbuf, 256, L"Depth pass time: Total = %.3f ms, %d meshes", fEffectTime,
        g_Application.GetMeshCount());
    g_pTxtHelper->DrawTextLine(wcbuf);

    // Only display filter stats if the filter is actually running
    if (g_Application.instrumentIndirectRender && g_Application.enableFiltering)
    {
        wchar_t buffer[512] = {};

        // We can have 0 triangles if the cluster culling got rid of all -
        // skip this line then
        if (g_Application.pipelineStatsTrianglesIn > 0)
        {
            swprintf_s(buffer, L"Triangle stats: In %I64d, out %I64d (filtered: %.2f%%) ",
                g_Application.pipelineStatsTrianglesIn, g_Application.pipelineStatsTrianglesOut,
                100 -
                    static_cast<float>(g_Application.pipelineStatsTrianglesOut) /
                        static_cast<float>(g_Application.pipelineStatsTrianglesIn) * 100.0f);
            g_pTxtHelper->DrawTextLine(buffer);
        }

        if ((g_Application.enabledFilters & AMD::GeometryFX_ClusterFilterBackface) == AMD::GeometryFX_ClusterFilterBackface)
        {
            swprintf_s (buffer, L"Cluster stats: In %I64d, out %I64d (filtered: %.2f%%) ",
                g_Application.pipelineStatsClustersIn, g_Application.pipelineStatsClustersOut,
                100 -
                static_cast<float>(g_Application.pipelineStatsClustersOut) /
                static_cast<float>(g_Application.pipelineStatsClustersIn) * 100.0f);
            g_pTxtHelper->DrawTextLine (buffer);
        }
    }

    g_pTxtHelper->SetInsertionPos(
        5, DXUTGetDXGIBackBufferSurfaceDesc()->Height - AMD::HUD::iElementDelta);
    g_pTxtHelper->DrawTextLine(L"Toggle GUI    : F1");

    g_pTxtHelper->End();
}

//--------------------------------------------------------------------------------------
// Reject any D3D11 devices that aren't acceptable by returning false