85 lines
2.7 KiB
C++
85 lines
2.7 KiB
C++
#pragma once
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#include "Rendering/Host/HostFwd.h"
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#include "Rendering/Viewport/ViewportContentRenderer.h"
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#include "ViewportRenderTargets.h"
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#include <XCEngine/Rendering/RenderContext.h>
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#include <XCEngine/UI/Types.h>
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#include <cstdint>
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#include <string>
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#include <string_view>
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#include <unordered_map>
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#include <vector>
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namespace XCEngine::UI::Editor::App {
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class ViewportHostService {
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public:
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ViewportHostService();
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~ViewportHostService();
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void AttachWindowRenderer(Rendering::Host::ViewportRenderHost& windowRenderer);
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void DetachWindowRenderer();
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void SetSurfacePresentationEnabled(bool enabled);
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void SetContentRenderer(
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std::string_view viewportId,
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IViewportContentRenderer* renderer,
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const ViewportResourceRequirements& requirements = {});
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void Shutdown();
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void BeginFrame();
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ViewportFrame RequestViewport(
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std::string_view viewportId,
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const ::XCEngine::UI::UISize& requestedSize);
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void RenderRequestedViewports(
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const ::XCEngine::Rendering::RenderContext& renderContext);
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private:
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struct ViewportEntry {
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IViewportContentRenderer* renderer = nullptr;
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ViewportResourceRequirements requirements = {};
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std::uint32_t requestedWidth = 0;
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std::uint32_t requestedHeight = 0;
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bool requestedThisFrame = false;
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bool renderedThisFrame = false;
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ViewportRenderTargets renderTargets = {};
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std::string statusText = {};
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};
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void ReleaseWindowResources();
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ViewportEntry& GetOrCreateEntry(std::string_view viewportId);
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void DestroyViewportEntry(ViewportEntry& entry);
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void DestroyRetiredTargets();
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void ReclaimRetiredTargetsForCurrentSlot();
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void RetireViewportTargets(ViewportRenderTargets& targets);
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bool EnsureViewportResources(ViewportEntry& entry);
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void ApplyViewportFallback(
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ViewportEntry& entry,
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const ::XCEngine::Rendering::RenderContext& renderContext,
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const ViewportRenderResult& renderResult);
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void ClearViewport(
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ViewportEntry& entry,
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const ::XCEngine::Rendering::RenderContext& renderContext,
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float r,
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float g,
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float b,
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float a);
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ViewportFrame BuildFrame(
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const ViewportEntry& entry,
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const ::XCEngine::UI::UISize& requestedSize) const;
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Rendering::Host::ViewportRenderHost* m_windowRenderer = nullptr;
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::XCEngine::RHI::RHIDevice* m_device = nullptr;
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ViewportRenderTargetManager m_renderTargetManager = {};
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bool m_surfacePresentationEnabled = false;
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std::unordered_map<std::string, ViewportEntry> m_entries = {};
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std::vector<std::vector<ViewportRenderTargets>> m_retiredTargetsBySlot = {};
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};
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} // namespace XCEngine::UI::Editor::App
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