133 lines
4.5 KiB
C++
133 lines
4.5 KiB
C++
#pragma once
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#include "OpenGLRenderPass.h"
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#include "OpenGLRenderPipeline.h"
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#include "OpenGLRenderer.h"
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#include "OpenGLShaderPrograms.h"
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#include "RenderCommandQueue.h"
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#include "RenderFrameState.h"
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#include "RenderFrameStateResolver.h"
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#include "HealthTelemetry.h"
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#include "RuntimeCoordinator.h"
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#include "RuntimeSnapshotProvider.h"
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#include <windows.h>
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#include <cstdint>
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#include <chrono>
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#include <functional>
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#include <string>
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#include <vector>
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class RenderEngine
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{
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public:
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using RenderEffectCallback = std::function<void()>;
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using ScreenshotCallback = std::function<void()>;
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using PreviewPaintCallback = std::function<void()>;
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struct OscOverlayUpdate
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{
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std::string routeKey;
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std::string layerKey;
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std::string parameterKey;
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JsonValue targetValue;
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};
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struct OscOverlayCommitCompletion
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{
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std::string routeKey;
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uint64_t generation = 0;
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};
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struct OscOverlayCommitRequest
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{
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std::string routeKey;
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std::string layerKey;
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std::string parameterKey;
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JsonValue value;
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uint64_t generation = 0;
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};
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RenderEngine(
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RuntimeSnapshotProvider& runtimeSnapshotProvider,
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HealthTelemetry& healthTelemetry,
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CRITICAL_SECTION& mutex,
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HDC hdc,
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HGLRC hglrc,
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RenderEffectCallback renderEffect,
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ScreenshotCallback screenshotReady,
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PreviewPaintCallback previewPaint);
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~RenderEngine();
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bool CompileDecodeShader(int errorMessageSize, char* errorMessage);
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bool CompileOutputPackShader(int errorMessageSize, char* errorMessage);
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bool InitializeResources(
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unsigned inputFrameWidth,
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unsigned inputFrameHeight,
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unsigned captureTextureWidth,
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unsigned outputFrameWidth,
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unsigned outputFrameHeight,
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unsigned outputPackTextureWidth,
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std::string& error);
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bool CompileLayerPrograms(unsigned inputFrameWidth, unsigned inputFrameHeight, int errorMessageSize, char* errorMessage);
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bool ApplyPreparedShaderBuild(
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const PreparedShaderBuild& preparedBuild,
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unsigned inputFrameWidth,
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unsigned inputFrameHeight,
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bool preserveFeedbackState,
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int errorMessageSize,
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char* errorMessage);
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void ResetTemporalHistoryState();
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void ResetShaderFeedbackState();
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void ApplyRuntimeCoordinatorRenderReset(RuntimeCoordinatorRenderResetScope resetScope);
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void ClearOscOverlayState();
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void UpdateOscOverlayState(
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const std::vector<OscOverlayUpdate>& updates,
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const std::vector<OscOverlayCommitCompletion>& completedCommits);
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void ResizeView(int width, int height);
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bool TryPresentPreview(bool force, unsigned previewFps, unsigned outputFrameWidth, unsigned outputFrameHeight);
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bool TryUploadInputFrame(const VideoIOFrame& inputFrame, const VideoIOState& videoState);
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bool RenderOutputFrame(const RenderPipelineFrameContext& context, VideoIOOutputFrame& outputFrame);
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bool ResolveRenderFrameState(
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const RenderFrameInput& input,
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std::vector<OscOverlayCommitRequest>* commitRequests,
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RenderFrameState& frameState);
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void RenderPreparedFrame(const RenderFrameState& frameState);
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bool CaptureOutputFrameRgbaTopDown(unsigned width, unsigned height, std::vector<unsigned char>& topDownPixels);
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private:
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bool CommitPreparedLayerPrograms(const PreparedShaderBuild& preparedBuild, unsigned inputFrameWidth, unsigned inputFrameHeight, int errorMessageSize, char* errorMessage);
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void RenderLayerStack(
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bool hasInputSource,
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const std::vector<RuntimeRenderState>& layerStates,
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unsigned inputFrameWidth,
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unsigned inputFrameHeight,
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unsigned captureTextureWidth,
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VideoIOPixelFormat inputPixelFormat,
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unsigned historyCap);
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void ResetTemporalHistoryStateOnRenderThread();
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void ResetShaderFeedbackStateOnRenderThread();
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void ApplyRenderResetOnRenderThread(RenderCommandResetScope resetScope);
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void ProcessRenderResetCommandsOnRenderThread();
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bool PresentPreviewOnRenderThread(unsigned outputFrameWidth, unsigned outputFrameHeight);
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bool UploadInputFrameOnRenderThread(const VideoIOFrame& inputFrame, const VideoIOState& videoState);
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bool RenderOutputFrameOnRenderThread(const RenderPipelineFrameContext& context, VideoIOOutputFrame& outputFrame);
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bool ReadOutputFrameRgbaOnRenderThread(unsigned width, unsigned height, std::vector<unsigned char>& bottomUpPixels);
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bool CaptureOutputFrameRgbaTopDownOnRenderThread(unsigned width, unsigned height, std::vector<unsigned char>& topDownPixels);
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OpenGLRenderer mRenderer;
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OpenGLRenderPass mRenderPass;
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OpenGLRenderPipeline mRenderPipeline;
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OpenGLShaderPrograms mShaderPrograms;
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CRITICAL_SECTION& mMutex;
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HDC mHdc;
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HGLRC mHglrc;
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std::chrono::steady_clock::time_point mLastPreviewPresentTime;
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RenderCommandQueue mRenderCommandQueue;
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RenderFrameStateResolver mFrameStateResolver;
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RuntimeLiveState mRuntimeLiveState;
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};
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