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/* SPDX-License-Identifier: Apache-2.0
* Copyright 2022 NVIDIA Corporation
* Copyright 2022 Blender Foundation */
#pragma once
#include "hydra/config.h"
#include <pxr/imaging/hd/renderBuffer.h>
HDCYCLES_NAMESPACE_OPEN_SCOPE
class HdCyclesRenderBuffer final : public PXR_NS::HdRenderBuffer {
public:
HdCyclesRenderBuffer(const PXR_NS::SdfPath &bprimId);
~HdCyclesRenderBuffer() override;
void Finalize(PXR_NS::HdRenderParam *renderParam) override;
bool Allocate(const PXR_NS::GfVec3i &dimensions,
PXR_NS::HdFormat format,
bool multiSampled) override;
unsigned int GetWidth() const override
{
return _width;
}
unsigned int GetHeight() const override
{
return _height;
}
unsigned int GetDepth() const override
{
return 1u;
}
PXR_NS::HdFormat GetFormat() const override
{
return _format;
}
bool IsMultiSampled() const override
{
return false;
}
void *Map() override;
void Unmap() override;
bool IsMapped() const override;
void Resolve() override;
bool IsConverged() const override;
void SetConverged(bool converged);
bool IsResourceUsed() const;
PXR_NS::VtValue GetResource(bool multiSampled = false) const override;
void SetResource(const PXR_NS::VtValue &resource);
void WritePixels(const float *pixels,
const PXR_NS::GfVec2i &offset,
const PXR_NS::GfVec2i &dims,
int channels,
bool isId = false);
private:
void _Deallocate() override;
unsigned int _width = 0u;
unsigned int _height = 0u;
PXR_NS::HdFormat _format = PXR_NS::HdFormatInvalid;
size_t _dataSize = 0;
std::vector<uint8_t> _data;
PXR_NS::VtValue _resource;
mutable std::atomic_bool _resourceUsed = false;
std::atomic_int _mapped = 0;
std::atomic_bool _converged = false;
};
HDCYCLES_NAMESPACE_CLOSE_SCOPE
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