vtkWebGPURenderPipelineCache.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkWebGPURenderPipelineCache_h
#define vtkWebGPURenderPipelineCache_h

#include "vtkObject.h"

#include "vtkRenderingWebGPUModule.h" // for export macro
#include "vtkWrappingHints.h"         // For VTK_MARSHALAUTO
#include "vtk_wgpu.h"                 // for webgpu

VTK_ABI_NAMESPACE_BEGIN

class vtkWebGPURenderer;
class vtkWebGPURenderWindow;
class vtkWindow;

class VTKRENDERINGWEBGPU_EXPORT VTK_MARSHALAUTO vtkWebGPURenderPipelineCache : public vtkObject
{
public:
  static vtkWebGPURenderPipelineCache* New();
  vtkTypeMacro(vtkWebGPURenderPipelineCache, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  void ReleaseGraphicsResources(vtkWindow* window);

  wgpu::RenderPipeline GetRenderPipeline(const std::string& key);

  std::string GetPipelineKey(wgpu::RenderPipelineDescriptor* descriptor, const char* shaderSource);

  std::string GetPipelineKey(wgpu::RenderPipelineDescriptor* descriptor,
    const char* vertexShaderSource, const char* fragmentShaderSource);

  void CreateRenderPipeline(wgpu::RenderPipelineDescriptor* descriptor,
    vtkWebGPURenderWindow* wgpuRenderWindow, const char* shaderSource);

  void CreateRenderPipeline(wgpu::RenderPipelineDescriptor* descriptor,
    vtkWebGPURenderWindow* wgpuRenderWindow, const char* vertexShaderSource,
    const char* fragmentShaderSource);

  static bool Substitute(
    std::string& source, const std::string& search, const std::string& replace, bool all);

  void DestroyRenderPipeline(const std::string& key);

protected:
  vtkWebGPURenderPipelineCache();
  ~vtkWebGPURenderPipelineCache() override;

private:
  vtkWebGPURenderPipelineCache(const vtkWebGPURenderPipelineCache&) = delete;
  void operator=(const vtkWebGPURenderPipelineCache&) = delete;

  class vtkInternals;
  std::unique_ptr<vtkInternals> Internals;
};

VTK_ABI_NAMESPACE_END
#endif