aiden/video-shader-toys
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Aiden
2026-05-10 23:53:27 +10:00
parent 7f0f60c0e3
commit 41075bbc61
25 changed files with 733 additions and 1031 deletions
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30
apps/LoopThroughWithOpenGLCompositing/gl/RenderEngine.h
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@@ -4,11 +4,13 @@
#include "OpenGLRenderPipeline.h"
#include "OpenGLRenderer.h"
#include "OpenGLShaderPrograms.h"
#include "RuntimeHost.h"
#include "HealthTelemetry.h"
#include "RuntimeSnapshotProvider.h"
#include <windows.h>
#include <cstdint>
#include <chrono>
#include <functional>
#include <string>
#include <vector>
@@ -19,10 +21,11 @@ public:
using RenderEffectCallback = std::function<void()>;
using ScreenshotCallback = std::function<void()>;
using PreviewPaintCallback = std::function<void()>;
using OverlayApplier = std::function<void(std::vector<RuntimeRenderState>& states, bool allowCommit)>;
RenderEngine(
RuntimeHost& runtimeHost,
RuntimeSnapshotProvider& runtimeSnapshotProvider,
HealthTelemetry& healthTelemetry,
CRITICAL_SECTION& mutex,
HDC hdc,
HGLRC hglrc,
@@ -43,14 +46,27 @@ public:
std::string& error);
bool CompileLayerPrograms(unsigned inputFrameWidth, unsigned inputFrameHeight, int errorMessageSize, char* errorMessage);
bool CommitPreparedLayerPrograms(const PreparedShaderBuild& preparedBuild, unsigned inputFrameWidth, unsigned inputFrameHeight, int errorMessageSize, char* errorMessage);
bool ApplyPreparedShaderBuild(
const PreparedShaderBuild& preparedBuild,
unsigned inputFrameWidth,
unsigned inputFrameHeight,
bool preserveFeedbackState,
int errorMessageSize,
char* errorMessage);
const std::vector<RuntimeRenderState>& CommittedLayerStates() const;
void ResetTemporalHistoryState();
void ResetShaderFeedbackState();
void ResizeView(int width, int height);
bool TryPresentToWindow(unsigned outputFrameWidth, unsigned outputFrameHeight);
bool TryPresentPreview(bool force, unsigned previewFps, unsigned outputFrameWidth, unsigned outputFrameHeight);
bool TryUploadInputFrame(const VideoIOFrame& inputFrame, const VideoIOState& videoState);
bool RenderOutputFrame(const RenderPipelineFrameContext& context, VideoIOOutputFrame& outputFrame);
bool ResolveRenderLayerStates(
bool useCommittedLayerStates,
unsigned renderWidth,
unsigned renderHeight,
OverlayApplier overlayApplier,
std::vector<RuntimeRenderState>& layerStates);
void RenderLayerStack(
bool hasInputSource,
const std::vector<RuntimeRenderState>& layerStates,
@@ -60,13 +76,21 @@ public:
VideoIOPixelFormat inputPixelFormat,
unsigned historyCap);
bool ReadOutputFrameRgba(unsigned width, unsigned height, std::vector<unsigned char>& bottomUpPixels);
bool CaptureOutputFrameRgbaTopDown(unsigned width, unsigned height, std::vector<unsigned char>& topDownPixels);
private:
OpenGLRenderer mRenderer;
OpenGLRenderPass mRenderPass;
OpenGLRenderPipeline mRenderPipeline;
OpenGLShaderPrograms mShaderPrograms;
RuntimeSnapshotProvider& mRuntimeSnapshotProvider;
CRITICAL_SECTION& mMutex;
HDC mHdc;
HGLRC mHglrc;
std::vector<RuntimeRenderState> mCachedLayerRenderStates;
uint64_t mCachedRenderStateVersion = 0;
uint64_t mCachedParameterStateVersion = 0;
unsigned mCachedRenderStateWidth = 0;
unsigned mCachedRenderStateHeight = 0;
std::chrono::steady_clock::time_point mLastPreviewPresentTime;
};