Method renderUI

Source/Falcor/Scene/Material/BasicMaterial.cpp:68–188

    }

    bool BasicMaterial::renderUI(Gui::Widgets& widget)
    {
        // Render the base class UI first.
        bool changed = Material::renderUI(widget);

        // We're re-using the material's update flags here to track changes.
        // Cache the previous flag so we can restore it before returning.
        UpdateFlags prevUpdates = mUpdates;
        mUpdates = UpdateFlags::None;

        if (auto pTexture = getBaseColorTexture())
        {
            bool hasAlpha = isAlphaSupported() && doesFormatHaveAlpha(pTexture->getFormat());
            bool alphaConst = mIsTexturedAlphaConstant && hasAlpha;
            bool colorConst = mIsTexturedBaseColorConstant;

            std::string str = fmt::format("Texture info: {}x{} ({})", pTexture->getWidth(), pTexture->getHeight(), to_string(pTexture->getFormat()));
            if (colorConst && !alphaConst) str += " (color constant)";
            else if (!colorConst && alphaConst) str += " (alpha constant)";
            else if (colorConst && alphaConst) str += " (color and alpha constant)"; // Shouldn't happen

            widget.text("Base color: " + pTexture->getSourcePath().string());
            widget.text(str);

            if (colorConst || alphaConst)
            {
                float4 baseColor = getBaseColor();
                if (widget.var("Base color", baseColor, 0.f, 1.f, 0.01f)) setBaseColor(baseColor);
            }

            widget.image("Base color", pTexture.get(), float2(100.f));
            if (widget.button("Remove texture##BaseColor")) setBaseColorTexture(nullptr);
        }
        else
        {
            float4 baseColor = getBaseColor();
            if (widget.var("Base color", baseColor, 0.f, 1.f, 0.01f)) setBaseColor(baseColor);
        }

        if (auto pTexture = getSpecularTexture())
        {
            widget.text("Specular params: " + pTexture->getSourcePath().string());
            widget.text("Texture info: " + std::to_string(pTexture->getWidth()) + "x" + std::to_string(pTexture->getHeight()) + " (" + to_string(pTexture->getFormat()) + ")");
            widget.image("Specular params", pTexture.get(), float2(100.f));
            if (widget.button("Remove texture##Specular")) setSpecularTexture(nullptr);
        }
        else
        {
            float4 specularParams = getSpecularParams();
            if (widget.var("Specular params", specularParams, 0.f, 1.f, 0.01f)) setSpecularParams(specularParams);
            widget.tooltip("The encoding depends on the material type");

            renderSpecularUI(widget); // Let derived classes draw additional UI elements.
        }

        if (auto pTexture = getNormalMap())
        {
            widget.text("Normal map: " + pTexture->getSourcePath().string());