48 lines
2.0 KiB
C++
48 lines
2.0 KiB
C++
#pragma once
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#include "RenderSnapshotBuilder.h"
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#include <mutex>
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#include <string>
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#include <vector>
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class RuntimeEventDispatcher;
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struct RuntimeRenderStateSnapshot
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{
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RuntimeSnapshotVersions versions;
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unsigned outputWidth = 0;
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unsigned outputHeight = 0;
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std::vector<RuntimeRenderState> states;
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};
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class RuntimeSnapshotProvider
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{
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public:
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RuntimeSnapshotProvider(RenderSnapshotBuilder& renderSnapshotBuilder, RuntimeEventDispatcher& runtimeEventDispatcher);
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bool BuildLayerPassFragmentShaderSources(const std::string& layerId, std::vector<ShaderPassBuildSource>& passSources, std::string& error) const;
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unsigned GetMaxTemporalHistoryFrames() const;
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RuntimeSnapshotVersions GetVersions() const;
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void AdvanceFrame();
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RuntimeRenderStateSnapshot PublishRenderStateSnapshot(unsigned outputWidth, unsigned outputHeight) const;
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bool TryPublishRenderStateSnapshot(unsigned outputWidth, unsigned outputHeight, RuntimeRenderStateSnapshot& snapshot) const;
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bool TryRefreshPublishedSnapshotParameters(RuntimeRenderStateSnapshot& snapshot) const;
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void RefreshDynamicRenderStateFields(std::vector<RuntimeRenderState>& states) const;
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private:
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bool TryGetPublishedRenderStateSnapshot(unsigned outputWidth, unsigned outputHeight,
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const RuntimeSnapshotVersions& versions, RuntimeRenderStateSnapshot& snapshot) const;
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void StorePublishedRenderStateSnapshot(const RuntimeRenderStateSnapshot& snapshot) const;
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static bool SnapshotMatches(const RuntimeRenderStateSnapshot& snapshot, unsigned outputWidth, unsigned outputHeight,
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const RuntimeSnapshotVersions& versions);
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void PublishRenderSnapshotPublishRequested(unsigned outputWidth, unsigned outputHeight, const std::string& reason) const;
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void PublishRenderSnapshotPublished(const RuntimeRenderStateSnapshot& snapshot) const;
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RenderSnapshotBuilder& mRenderSnapshotBuilder;
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RuntimeEventDispatcher& mRuntimeEventDispatcher;
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mutable std::mutex mPublishedSnapshotMutex;
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mutable bool mHasPublishedRenderStateSnapshot = false;
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mutable RuntimeRenderStateSnapshot mPublishedRenderStateSnapshot;
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};
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