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video-shader-toys/apps/LoopThroughWithOpenGLCompositing/runtime/RuntimeCoordinator.cpp
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2026-05-11 01:12:24 +10:00

440 lines
16 KiB
C++

#include "RuntimeCoordinator.h"
#include "RuntimeStore.h"
#include <algorithm>
#include <chrono>
RuntimeCoordinator::RuntimeCoordinator(RuntimeStore& runtimeStore) :
mRuntimeStore(runtimeStore)
{
}
RuntimeCoordinatorResult RuntimeCoordinator::AddLayer(const std::string& shaderId)
{
std::lock_guard<std::mutex> lock(mMutex);
std::string error;
if (!ValidateShaderExists(shaderId, error))
return ApplyStoreMutation(false, error, false, false);
return ApplyStoreMutation(mRuntimeStore.CreateStoredLayer(shaderId, error), error, true, true);
}
RuntimeCoordinatorResult RuntimeCoordinator::RemoveLayer(const std::string& layerId)
{
std::lock_guard<std::mutex> lock(mMutex);
std::string error;
if (!ValidateLayerExists(layerId, error))
return ApplyStoreMutation(false, error, false, false);
return ApplyStoreMutation(mRuntimeStore.DeleteStoredLayer(layerId, error), error, true, true);
}
RuntimeCoordinatorResult RuntimeCoordinator::MoveLayer(const std::string& layerId, int direction)
{
std::lock_guard<std::mutex> lock(mMutex);
std::string error;
bool shouldMove = false;
if (!ResolveLayerMove(layerId, direction, shouldMove, error))
return ApplyStoreMutation(false, error, false, false);
if (!shouldMove)
return BuildAcceptedNoReloadResult();
return ApplyStoreMutation(mRuntimeStore.MoveStoredLayer(layerId, direction, error), error, true, true);
}
RuntimeCoordinatorResult RuntimeCoordinator::MoveLayerToIndex(const std::string& layerId, std::size_t targetIndex)
{
std::lock_guard<std::mutex> lock(mMutex);
std::string error;
bool shouldMove = false;
if (!ResolveLayerMoveToIndex(layerId, targetIndex, shouldMove, error))
return ApplyStoreMutation(false, error, false, false);
if (!shouldMove)
return BuildAcceptedNoReloadResult();
return ApplyStoreMutation(mRuntimeStore.MoveStoredLayerToIndex(layerId, targetIndex, error), error, true, true);
}
RuntimeCoordinatorResult RuntimeCoordinator::SetLayerBypass(const std::string& layerId, bool bypassed)
{
std::lock_guard<std::mutex> lock(mMutex);
std::string error;
if (!ValidateLayerExists(layerId, error))
return ApplyStoreMutation(false, error, false, false);
return ApplyStoreMutation(mRuntimeStore.SetStoredLayerBypassState(layerId, bypassed, error), error, true, false);
}
RuntimeCoordinatorResult RuntimeCoordinator::SetLayerShader(const std::string& layerId, const std::string& shaderId)
{
std::lock_guard<std::mutex> lock(mMutex);
std::string error;
if (!ValidateLayerExists(layerId, error) || !ValidateShaderExists(shaderId, error))
return ApplyStoreMutation(false, error, false, false);
return ApplyStoreMutation(mRuntimeStore.SetStoredLayerShaderSelection(layerId, shaderId, error), error, true, false);
}
RuntimeCoordinatorResult RuntimeCoordinator::UpdateLayerParameter(const std::string& layerId, const std::string& parameterId, const JsonValue& newValue)
{
std::lock_guard<std::mutex> lock(mMutex);
std::string error;
ResolvedParameterMutation mutation;
if (!BuildParameterMutationById(layerId, parameterId, newValue, true, mutation, error))
return ApplyStoreMutation(false, error, false, false);
return ApplyStoreMutation(mRuntimeStore.SetStoredParameterValue(mutation.layerId, mutation.parameterId, mutation.value, mutation.persistState, error), error, false, false);
}
RuntimeCoordinatorResult RuntimeCoordinator::UpdateLayerParameterByControlKey(const std::string& layerKey, const std::string& parameterKey, const JsonValue& newValue)
{
std::lock_guard<std::mutex> lock(mMutex);
std::string error;
ResolvedParameterMutation mutation;
if (!BuildParameterMutationByControlKey(layerKey, parameterKey, newValue, true, mutation, error))
return ApplyStoreMutation(false, error, false, false);
return ApplyStoreMutation(mRuntimeStore.SetStoredParameterValue(mutation.layerId, mutation.parameterId, mutation.value, mutation.persistState, error), error, false, false);
}
RuntimeCoordinatorResult RuntimeCoordinator::CommitOscParameterByControlKey(const std::string& layerKey, const std::string& parameterKey, const JsonValue& newValue)
{
std::lock_guard<std::mutex> lock(mMutex);
std::string error;
ResolvedParameterMutation mutation;
if (!BuildParameterMutationByControlKey(layerKey, parameterKey, newValue, false, mutation, error))
return ApplyStoreMutation(false, error, false, false);
return ApplyStoreMutation(mRuntimeStore.SetStoredParameterValue(mutation.layerId, mutation.parameterId, mutation.value, mutation.persistState, error), error, false, false);
}
RuntimeCoordinatorResult RuntimeCoordinator::ResetLayerParameters(const std::string& layerId)
{
std::lock_guard<std::mutex> lock(mMutex);
std::string error;
if (!ValidateLayerExists(layerId, error))
return ApplyStoreMutation(false, error, false, false);
RuntimeCoordinatorResult result = ApplyStoreMutation(mRuntimeStore.ResetStoredLayerParameterValues(layerId, error), error, false, false);
if (!result.accepted)
return result;
result.clearTransientOscState = true;
result.renderResetScope = RuntimeCoordinatorRenderResetScope::TemporalHistoryAndFeedback;
return result;
}
RuntimeCoordinatorResult RuntimeCoordinator::SaveStackPreset(const std::string& presetName)
{
std::lock_guard<std::mutex> lock(mMutex);
std::string error;
if (!ValidatePresetName(presetName, error))
return ApplyStoreMutation(false, error, false, false);
return ApplyStoreMutation(mRuntimeStore.SaveStackPresetSnapshot(presetName, error), error, false, false);
}
RuntimeCoordinatorResult RuntimeCoordinator::LoadStackPreset(const std::string& presetName)
{
std::lock_guard<std::mutex> lock(mMutex);
std::string error;
if (!ValidatePresetName(presetName, error))
return ApplyStoreMutation(false, error, false, false);
return ApplyStoreMutation(mRuntimeStore.LoadStackPresetSnapshot(presetName, error), error, true, false);
}
RuntimeCoordinatorResult RuntimeCoordinator::RequestShaderReload(bool preserveFeedbackState)
{
std::lock_guard<std::mutex> lock(mMutex);
return BuildQueuedReloadResult(preserveFeedbackState);
}
RuntimeCoordinatorResult RuntimeCoordinator::PollRuntimeStoreChanges(bool& registryChanged)
{
std::lock_guard<std::mutex> lock(mMutex);
registryChanged = false;
bool reloadRequested = false;
std::string error;
if (!mRuntimeStore.PollStoredFileChanges(registryChanged, reloadRequested, error))
return HandleRuntimePollFailure(error);
if (reloadRequested)
return BuildQueuedReloadResult(false);
if (registryChanged)
return BuildAcceptedNoReloadResult();
RuntimeCoordinatorResult result;
result.accepted = true;
return result;
}
RuntimeCoordinatorResult RuntimeCoordinator::HandleRuntimePollFailure(const std::string& error)
{
RuntimeCoordinatorResult result;
result.accepted = true;
result.runtimeStateBroadcastRequired = true;
result.compileStatusChanged = true;
result.compileStatusSucceeded = false;
result.compileStatusMessage = error;
return result;
}
RuntimeCoordinatorResult RuntimeCoordinator::HandlePreparedShaderBuildFailure(const std::string& error)
{
std::lock_guard<std::mutex> lock(mMutex);
mPreserveFeedbackOnNextShaderBuild = false;
mUseCommittedLayerStates = true;
RuntimeCoordinatorResult result;
result.accepted = true;
result.runtimeStateBroadcastRequired = true;
result.compileStatusChanged = true;
result.compileStatusSucceeded = false;
result.compileStatusMessage = error;
result.committedStateMode = RuntimeCoordinatorCommittedStateMode::UseCommittedStates;
return result;
}
RuntimeCoordinatorResult RuntimeCoordinator::HandlePreparedShaderBuildSuccess()
{
std::lock_guard<std::mutex> lock(mMutex);
mUseCommittedLayerStates = false;
RuntimeCoordinatorResult result;
result.accepted = true;
result.runtimeStateBroadcastRequired = true;
result.compileStatusChanged = true;
result.compileStatusSucceeded = true;
result.compileStatusMessage = "Shader layers compiled successfully.";
result.committedStateMode = RuntimeCoordinatorCommittedStateMode::UseLiveSnapshots;
mPreserveFeedbackOnNextShaderBuild = false;
return result;
}
RuntimeCoordinatorResult RuntimeCoordinator::HandleRuntimeReloadRequest()
{
std::lock_guard<std::mutex> lock(mMutex);
return BuildQueuedReloadResult(false);
}
void RuntimeCoordinator::ApplyCommittedStateMode(RuntimeCoordinatorCommittedStateMode mode)
{
std::lock_guard<std::mutex> lock(mMutex);
switch (mode)
{
case RuntimeCoordinatorCommittedStateMode::UseCommittedStates:
mUseCommittedLayerStates = true;
break;
case RuntimeCoordinatorCommittedStateMode::UseLiveSnapshots:
mUseCommittedLayerStates = false;
break;
case RuntimeCoordinatorCommittedStateMode::Unchanged:
default:
break;
}
}
bool RuntimeCoordinator::UseCommittedLayerStates() const
{
return mUseCommittedLayerStates.load();
}
bool RuntimeCoordinator::PreserveFeedbackOnNextShaderBuild() const
{
std::lock_guard<std::mutex> lock(mMutex);
return mPreserveFeedbackOnNextShaderBuild;
}
bool RuntimeCoordinator::BuildParameterMutationById(const std::string& layerId, const std::string& parameterId, const JsonValue& newValue,
bool persistState, ResolvedParameterMutation& mutation, std::string& error) const
{
std::lock_guard<std::mutex> lock(mRuntimeStore.mRuntimeHost.mMutex);
RuntimeHost::LayerPersistentState* layer = mRuntimeStore.mRuntimeHost.FindLayerById(layerId);
if (!layer)
{
error = "Unknown layer id: " + layerId;
return false;
}
auto shaderIt = mRuntimeStore.mRuntimeHost.mPackagesById.find(layer->shaderId);
if (shaderIt == mRuntimeStore.mRuntimeHost.mPackagesById.end())
{
error = "Unknown shader id: " + layer->shaderId;
return false;
}
auto parameterIt = std::find_if(shaderIt->second.parameters.begin(), shaderIt->second.parameters.end(),
[&parameterId](const ShaderParameterDefinition& definition) { return definition.id == parameterId; });
if (parameterIt == shaderIt->second.parameters.end())
{
error = "Unknown parameter id: " + parameterId;
return false;
}
return BuildParameterMutationLocked(*layer, *parameterIt, newValue, persistState, mutation, error);
}
bool RuntimeCoordinator::BuildParameterMutationByControlKey(const std::string& layerKey, const std::string& parameterKey, const JsonValue& newValue,
bool persistState, ResolvedParameterMutation& mutation, std::string& error) const
{
std::lock_guard<std::mutex> lock(mRuntimeStore.mRuntimeHost.mMutex);
RuntimeHost::LayerPersistentState* matchedLayer = nullptr;
const ShaderPackage* matchedPackage = nullptr;
std::vector<ShaderParameterDefinition>::const_iterator parameterIt;
if (!mRuntimeStore.TryResolveStoredLayerAndParameterByControlKeyLocked(layerKey, parameterKey, matchedLayer, matchedPackage, parameterIt, error))
return false;
return BuildParameterMutationLocked(*matchedLayer, *parameterIt, newValue, persistState, mutation, error);
}
bool RuntimeCoordinator::BuildParameterMutationLocked(RuntimeHost::LayerPersistentState& layer, const ShaderParameterDefinition& definition, const JsonValue& newValue,
bool persistState, ResolvedParameterMutation& mutation, std::string& error) const
{
mutation.layerId = layer.id;
mutation.parameterId = definition.id;
mutation.persistState = persistState;
if (definition.type == ShaderParameterType::Trigger)
{
const auto existingValue = layer.parameterValues.find(definition.id);
const double previousCount = existingValue == layer.parameterValues.end() || existingValue->second.numberValues.empty()
? 0.0
: existingValue->second.numberValues[0];
const double triggerTime = std::chrono::duration_cast<std::chrono::duration<double>>(
std::chrono::steady_clock::now() - mRuntimeStore.mRuntimeHost.mStartTime).count();
mutation.value.numberValues = { previousCount + 1.0, triggerTime };
mutation.persistState = false;
return true;
}
return mRuntimeStore.mRuntimeHost.NormalizeAndValidateValue(definition, newValue, mutation.value, error);
}
bool RuntimeCoordinator::HasLayerLocked(const std::string& layerId) const
{
return mRuntimeStore.mRuntimeHost.FindLayerById(layerId) != nullptr;
}
bool RuntimeCoordinator::HasShaderLocked(const std::string& shaderId) const
{
return mRuntimeStore.mRuntimeHost.mPackagesById.find(shaderId) != mRuntimeStore.mRuntimeHost.mPackagesById.end();
}
bool RuntimeCoordinator::ValidateLayerExists(const std::string& layerId, std::string& error) const
{
std::lock_guard<std::mutex> lock(mRuntimeStore.mRuntimeHost.mMutex);
if (HasLayerLocked(layerId))
return true;
error = "Unknown layer id: " + layerId;
return false;
}
bool RuntimeCoordinator::ValidateShaderExists(const std::string& shaderId, std::string& error) const
{
std::lock_guard<std::mutex> lock(mRuntimeStore.mRuntimeHost.mMutex);
if (HasShaderLocked(shaderId))
return true;
error = "Unknown shader id: " + shaderId;
return false;
}
bool RuntimeCoordinator::ResolveLayerMove(const std::string& layerId, int direction, bool& shouldMove, std::string& error) const
{
std::lock_guard<std::mutex> lock(mRuntimeStore.mRuntimeHost.mMutex);
const auto& layers = mRuntimeStore.mRuntimeHost.mPersistentState.layers;
auto it = std::find_if(layers.begin(), layers.end(),
[&layerId](const RuntimeHost::LayerPersistentState& layer) { return layer.id == layerId; });
if (it == layers.end())
{
error = "Unknown layer id: " + layerId;
return false;
}
const std::ptrdiff_t index = std::distance(layers.begin(), it);
const std::ptrdiff_t newIndex = index + direction;
shouldMove = newIndex >= 0 && newIndex < static_cast<std::ptrdiff_t>(layers.size()) && newIndex != index;
return true;
}
bool RuntimeCoordinator::ResolveLayerMoveToIndex(const std::string& layerId, std::size_t targetIndex, bool& shouldMove, std::string& error) const
{
std::lock_guard<std::mutex> lock(mRuntimeStore.mRuntimeHost.mMutex);
const auto& layers = mRuntimeStore.mRuntimeHost.mPersistentState.layers;
auto it = std::find_if(layers.begin(), layers.end(),
[&layerId](const RuntimeHost::LayerPersistentState& layer) { return layer.id == layerId; });
if (it == layers.end())
{
error = "Unknown layer id: " + layerId;
return false;
}
if (layers.empty())
{
shouldMove = false;
return true;
}
const std::size_t clampedTargetIndex = (std::min)(targetIndex, layers.size() - 1);
const std::size_t sourceIndex = static_cast<std::size_t>(std::distance(layers.begin(), it));
shouldMove = sourceIndex != clampedTargetIndex;
return true;
}
bool RuntimeCoordinator::ValidatePresetName(const std::string& presetName, std::string& error) const
{
if (!mRuntimeStore.MakeSafePresetFileStem(presetName).empty())
return true;
error = "Preset name must include at least one letter or number.";
return false;
}
RuntimeCoordinatorResult RuntimeCoordinator::ApplyStoreMutation(bool succeeded, const std::string& errorMessage, bool reloadRequired, bool preserveFeedbackState)
{
if (!succeeded)
{
RuntimeCoordinatorResult result;
result.accepted = false;
result.errorMessage = errorMessage;
return result;
}
if (reloadRequired)
return BuildQueuedReloadResult(preserveFeedbackState);
return BuildAcceptedNoReloadResult();
}
RuntimeCoordinatorResult RuntimeCoordinator::BuildQueuedReloadResult(bool preserveFeedbackState)
{
mPreserveFeedbackOnNextShaderBuild = preserveFeedbackState;
mUseCommittedLayerStates = true;
RuntimeCoordinatorResult result;
result.accepted = true;
result.runtimeStateBroadcastRequired = true;
result.shaderBuildRequested = true;
result.compileStatusChanged = true;
result.compileStatusSucceeded = true;
result.compileStatusMessage = "Shader rebuild queued.";
result.clearReloadRequest = true;
result.committedStateMode = RuntimeCoordinatorCommittedStateMode::UseCommittedStates;
return result;
}
RuntimeCoordinatorResult RuntimeCoordinator::BuildAcceptedNoReloadResult() const
{
RuntimeCoordinatorResult result;
result.accepted = true;
result.runtimeStateBroadcastRequired = true;
return result;
}