Method Render

tools/explorer/ModelView.cpp:241–368

}

void ModelView::Render(nvrhi::ICommandList* commandList, nvrhi::IFramebuffer* framebuffer)
{
    if (!m_descriptorsValid)
    {
        // Need to make sure nothing is being executed while we update the descriptor table.
        // This is a rare event, so a WFI is fine.
        m_device->waitForIdle();

        // Write all descriptors, don't bother tracking individual ones - there's only a few.
        for (const auto& bindingSetItem : m_descriptors)
        {
            if (bindingSetItem.type != nvrhi::ResourceType::None)
               m_device->writeDescriptorTable(m_descriptorTable, bindingSetItem);
        }

        m_descriptorsValid = true;
    }

    // Draw the sky in the background
    commandList->clearDepthStencilTexture(m_depthBuffer, nvrhi::AllSubresources, true, 1.f, true, 0);
    render::SkyParameters skyParameters{};
    skyParameters.brightness = 0.5f;
    m_skyPass->Render(commandList, m_view, *m_light, skyParameters);
    m_commonPasses->BlitTexture(commandList, framebuffer, m_colorBuffer);

    // Fill the model rendering constants
    ModelViewConstants constants{};
    m_view.FillPlanarViewConstants(constants.view);
    m_light->FillLightConstants(constants.light);
    constants.mipLevel = m_showMipLevel;
    constants.skyColor = skyParameters.skyColor * skyParameters.brightness;
    constants.groundColor = skyParameters.groundColor * skyParameters.brightness;
    constants.decompressedTextureOffset = c_MaxTextures;
    // Setup the split-screen variables, reuse that logic to display the decompressed texture only by setting splitPosition to -1.
    constants.enableSplitScreen = m_displayMode == DisplayMode::SplitScreen || m_displayMode == DisplayMode::RightTexture;
    constants.splitPosition = m_displayMode == DisplayMode::SplitScreen ? m_splitPosition : -1;
    constants.convertFromSrgbMask = 0;
    for (uint32_t i = 0; i < c_MaxTextures; ++i)
    {
        if (m_convertFromSRGB[i])
            constants.convertFromSrgbMask |= 1 << i;
    }
    
    const int imageOffset = 0;
    constants.albedoTexture = -1;
    constants.alphaTexture = -1;
    constants.emissiveTexture = -1;
    constants.metalnessTexture = -1;
    constants.normalTexture = -1;
    constants.occlusionTexture = -1;
    constants.roughnessTexture = -1;

    for (const auto& semantic : m_semanticBindings)
    {
        switch(semantic.label)
        {
            case SemanticLabel::Albedo:
                constants.albedoTexture = semantic.imageIndex + imageOffset;