63 lines
2.3 KiB
C++
63 lines
2.3 KiB
C++
#pragma once
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#include "RuntimeHost.h"
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#include <cstdint>
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#include <string>
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#include <vector>
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struct RuntimeSnapshotVersions
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{
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uint64_t renderStateVersion = 0;
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uint64_t parameterStateVersion = 0;
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};
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struct RuntimeRenderFrameContext
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{
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double timeSeconds = 0.0;
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double utcTimeSeconds = 0.0;
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double utcOffsetSeconds = 0.0;
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double startupRandom = 0.0;
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double frameCount = 0.0;
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};
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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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explicit RuntimeSnapshotProvider(RuntimeHost& runtimeHost);
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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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RuntimeRenderFrameContext GetFrameContext() const;
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void AdvanceFrame();
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bool TryAdvanceFrame();
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RuntimeRenderStateSnapshot GetRenderStateSnapshot(unsigned outputWidth, unsigned outputHeight) const;
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bool TryGetRenderStateSnapshot(unsigned outputWidth, unsigned outputHeight, RuntimeRenderStateSnapshot& snapshot) const;
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bool TryRefreshSnapshotParameters(RuntimeRenderStateSnapshot& snapshot) const;
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void ApplyFrameContext(std::vector<RuntimeRenderState>& states, const RuntimeRenderFrameContext& frameContext) const;
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void ApplyFrameContext(RuntimeRenderStateSnapshot& snapshot, const RuntimeRenderFrameContext& frameContext) const;
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std::vector<RuntimeRenderState> GetLayerRenderStates(unsigned outputWidth, unsigned outputHeight) const;
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bool TryGetLayerRenderStates(unsigned outputWidth, unsigned outputHeight, std::vector<RuntimeRenderState>& states) const;
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bool TryRefreshCachedLayerStates(std::vector<RuntimeRenderState>& states) const;
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void RefreshDynamicRenderStateFields(std::vector<RuntimeRenderState>& states) const;
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uint64_t GetRenderStateVersion() const;
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uint64_t GetParameterStateVersion() const;
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private:
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void BuildLayerRenderStatesLocked(unsigned outputWidth, unsigned outputHeight, std::vector<RuntimeRenderState>& states) const;
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void RefreshCachedLayerStatesLocked(std::vector<RuntimeRenderState>& states) const;
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void RefreshDynamicRenderStateFieldsLocked(std::vector<RuntimeRenderState>& states) const;
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RuntimeHost& mRuntimeHost;
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};
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