BufferGatherPass.hpp

#pragma once
#include <Gfx/Graph/RenderState.hpp>
 
#include <QtGui/private/qrhi_p.h>
 
#include <Ui/Monitor/BufferGather.hpp>
 
namespace Ui::Monitor::Buffer
{
class GatherPass
{
public:
  GatherPass() = default;
  GatherPass(const GatherPass&) = delete;
  GatherPass& operator=(const GatherPass&) = delete;
  ~GatherPass();
 
  Fallback check(QRhi& rhi, const QRhiBuffer& source) const noexcept;
 
  bool record(
      score::gfx::RenderState& state, QRhiCommandBuffer& cb, QRhiResourceUpdateBatch*& res,
      QRhiBuffer& source, const GatherPlan& plan, QRhiBufferReadbackResult& out);
 
  void release() noexcept;
 
private:
  bool ensurePipeline(score::gfx::RenderState& state);
  bool ensureStaging(QRhi& rhi, int64_t bytes);
  bool ensureBindings(QRhi& rhi, QRhiBuffer& source, const GatherPlan& plan);
 
  QShader m_shader;
  QRhiComputePipeline* m_pipeline{};
  QRhiShaderResourceBindings* m_srb{};
  QRhiBuffer* m_params{};
  QRhiBuffer* m_staging{};
  quint64 m_sourceId{};
  quint64 m_stagingId{};
  int64_t m_bindOffset{-1};
  int64_t m_bindSize{-1};
  bool m_failed{};
};
}