vtkWebGPUConfigurationInternals.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkWebGPUConfigurationInternals_h
#define vtkWebGPUConfigurationInternals_h
 
#include "Private/vtkWebGPUHandle.h" // for the handle types
#include "vtkWebGPUConfiguration.h"
#include "vtk_wgpu.h"
 
#include <atomic>
#include <vector>
 
VTK_ABI_NAMESPACE_BEGIN
class vtkWebGPUConfigurationInternals
{
public:
  ~vtkWebGPUConfigurationInternals();
 
  vtkWebGPU::Adapter Adapter;
  vtkWebGPU::Device Device;
  std::atomic<bool> RequestComplete{ false };
  bool DeviceReady = false;
  bool Timedout = false;
 
  // in milliseconds
  static double DefaultTimeout;
  // We only keep one webgpu Instance around.
  static vtkWebGPU::Instance Instance;
  // Helps clean up the instance after it is no longer needed.
  static std::size_t InstanceCount;
 
  WGPULimits RequiredLimits = WGPU_LIMITS_INIT;
  std::vector<WGPUFeatureName> RequiredFeatures;
 
  // Buffers whose last reference must not be dropped inside a WebGPU callback.
  // See vtkWebGPUConfiguration::DeferBufferRelease.
  // Buffers whose last reference must not be dropped inside a WebGPU callback;
  // see vtkWebGPUConfiguration::DeferBufferRelease.
  std::vector<vtkWebGPU::Buffer> BuffersPendingRelease;
 
  static void AddInstanceRef();
 
  static void ReleaseInstanceRef();
 
  static WGPUBackendType ToWGPUBackendType(vtkWebGPUConfiguration::BackendType backend);
 
  static vtkWebGPUConfiguration::BackendType FromWGPUBackendType(WGPUBackendType backend);
 
  static WGPUPowerPreference ToWGPUPowerPreferenceType(
    vtkWebGPUConfiguration::PowerPreferenceType powerPreference);

  bool PopulateRequiredLimits(WGPUAdapter adapter);

  void PopulateRequiredFeatures(WGPUAdapter adapter);
};
VTK_ABI_NAMESPACE_END
 
#endif
// VTK-HeaderTest-Exclude: vtkWebGPUConfigurationInternals.h