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// Copyright 2023 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#include "fb/FrameOp.h"
// ispc shared
#include "VarianceShared.h"
namespace ospray {
// The variance frame op calculates per-RenderTask variance
struct OSPRAY_SDK_INTERFACE LiveVarianceFrameOp
: public AddStructShared<LiveFrameOp, ispc::LiveVariance>
{
LiveVarianceFrameOp(devicert::Device &device,
FrameBufferView &fbView,
const vec4f *varianceBuffer);
devicert::AsyncEvent process() override;
void restart();
bool validError() const;
float getError(const uint32_t id) const;
float getAvgError(const float errorThreshold) const;
private:
devicert::BufferShared<float> taskVariance;
bool firstRun{true};
};
inline void LiveVarianceFrameOp::restart()
{
firstRun = true;
}
inline bool LiveVarianceFrameOp::validError() const
{
return firstRun == false;
}
inline float LiveVarianceFrameOp::getError(const uint32_t id) const
{
return taskVariance[id];
}
} // namespace ospray
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