Method Init

tools/explorer/ModelView.cpp:70–226

}

bool ModelView::Init(nvrhi::FramebufferInfoEx const& framebufferInfo)
{
    if (!m_vertexShader)
    {        
        auto vertexShaderDesc = nvrhi::ShaderDesc()
            .setShaderType(nvrhi::ShaderType::Vertex)
            .setEntryName("MainVS");
        m_vertexShader = m_shaderFactory->CreateStaticPlatformShader(DONUT_MAKE_PLATFORM_SHADER(g_ModelView_MainVS), nullptr, vertexShaderDesc);
    }

    if (!m_pixelShader)
    {
        auto pixelShaderDesc = nvrhi::ShaderDesc()
            .setShaderType(nvrhi::ShaderType::Pixel)
            .setEntryName("MainPS");
        m_pixelShader = m_shaderFactory->CreateStaticPlatformShader(DONUT_MAKE_PLATFORM_SHADER(g_ModelView_MainPS), nullptr, pixelShaderDesc);
    }

    if (!m_overlayPixelShader)
    {
        auto pixelShaderDesc = nvrhi::ShaderDesc()
            .setShaderType(nvrhi::ShaderType::Pixel)
            .setEntryName("OverlayPS");
        m_overlayPixelShader = m_shaderFactory->CreateStaticPlatformShader(DONUT_MAKE_PLATFORM_SHADER(g_ModelView_OverlayPS), nullptr, pixelShaderDesc);
    }

    if (!m_vertexShader || !m_pixelShader || !m_overlayPixelShader)
        return false;

    if (m_depthBuffer)
    {
        const auto depthBufferDesc = m_depthBuffer->getDesc();
        if (depthBufferDesc.width != framebufferInfo.width || depthBufferDesc.height != framebufferInfo.height)
        {
            m_depthBuffer = nullptr;
            m_colorBuffer = nullptr;
        }
    }

    if (!m_depthBuffer || !m_colorBuffer)
    {
        auto textureDesc = nvrhi::TextureDesc()
            .setDimension(nvrhi::TextureDimension::Texture2D)
            .setWidth(framebufferInfo.width)
            .setHeight(framebufferInfo.height)
            .setFormat(nvrhi::Format::D24S8)
            .setIsRenderTarget(true)
            .setDebugName("DepthBuffer")
            .setInitialState(nvrhi::ResourceStates::DepthWrite)
            .setKeepInitialState(true);

        m_depthBuffer = m_device->createTexture(textureDesc);
        textureDesc
            .setFormat(nvrhi::Format::SRGBA8_UNORM)
            .setDebugName("ColorBuffer")
            .setInitialState(nvrhi::ResourceStates::RenderTarget);
        m_colorBuffer = m_device->createTexture(textureDesc);