XCEngine/editor/app/Rendering/D3D12/D3D12WindowRenderLoop.h

#pragma once

#include <Rendering/D3D12/D3D12UiRenderer.h>
#include <Rendering/D3D12/D3D12WindowRenderer.h>

#include <XCEngine/UI/DrawData.h>

#include <filesystem>
#include <string>

namespace XCEngine::UI::Editor::Host {

struct D3D12WindowRenderLoopAttachResult {
    bool hasViewportSurfacePresentation = false;
    std::string warning = {};
};

struct D3D12WindowRenderLoopFrameContext {
    bool canRenderViewports = false;
    ::XCEngine::Rendering::RenderContext renderContext = {};
    std::string warning = {};
};

struct D3D12WindowRenderLoopResizeResult {
    bool hasViewportSurfacePresentation = false;
    std::string windowRendererWarning = {};
};

struct D3D12WindowRenderLoopPresentResult {
    bool framePresented = false;
    bool captureSucceeded = false;
    std::string captureError = {};
    std::string warning = {};
};

class D3D12WindowRenderLoop {
public:
    D3D12WindowRenderLoopAttachResult Attach(
        D3D12UiRenderer& uiRenderer,
        D3D12WindowRenderer& windowRenderer);
    void Detach();

    D3D12WindowRenderLoopFrameContext BeginFrame() const;
    D3D12WindowRenderLoopResizeResult ApplyResize(UINT width, UINT height);
    D3D12WindowRenderLoopPresentResult Present(
        const ::XCEngine::UI::UIDrawData& drawData,
        const std::filesystem::path* captureOutputPath = nullptr);

    bool HasViewportSurfacePresentation() const;

private:
    D3D12UiRenderer* m_uiRenderer = nullptr;
    D3D12WindowRenderer* m_windowRenderer = nullptr;
};

} // namespace XCEngine::UI::Editor::Host