vtkWebGPURenderPipelineDescriptorInternals.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkWebGPURenderPipelineDescriptorInternals_h
#define vtkWebGPURenderPipelineDescriptorInternals_h
 
#include "vtkRenderingWebGPUModule.h"
#include "vtk_wgpu.h"
 
#include <array>
 
VTK_ABI_NAMESPACE_BEGIN
class VTKRENDERINGWEBGPU_NO_EXPORT vtkWebGPURenderPipelineDescriptorInternals
  : public WGPURenderPipelineDescriptor
{
public:
  static constexpr int kMaxVertexBuffers = 8u;
  static constexpr int kMaxVertexAttributes = 16u;
  static constexpr int kMaxColorAttachments = 8u;
 
  vtkWebGPURenderPipelineDescriptorInternals();
 
  vtkWebGPURenderPipelineDescriptorInternals(
    const vtkWebGPURenderPipelineDescriptorInternals&) = delete;
  vtkWebGPURenderPipelineDescriptorInternals& operator=(
    const vtkWebGPURenderPipelineDescriptorInternals&) = delete;
  vtkWebGPURenderPipelineDescriptorInternals(vtkWebGPURenderPipelineDescriptorInternals&&) = delete;
  vtkWebGPURenderPipelineDescriptorInternals& operator=(
    vtkWebGPURenderPipelineDescriptorInternals&&) = delete;
 
  WGPUDepthStencilState* EnableDepthStencil(
    WGPUTextureFormat format = WGPUTextureFormat_Depth24PlusStencil8);
  void DisableDepthStencil();
 
  WGPUBlendState* EnableBlending(std::size_t colorTargetId);
  void DisableBlending(std::size_t colorTargetId);
 
  std::array<WGPUVertexBufferLayout, kMaxVertexBuffers> cBuffers;
  std::array<WGPUVertexAttribute, kMaxVertexAttributes> cAttributes;
  std::array<WGPUColorTargetState, kMaxColorAttachments> cTargets;
  std::array<WGPUBlendState, kMaxColorAttachments> cBlends;
 
  WGPUFragmentState cFragment = WGPU_FRAGMENT_STATE_INIT;
  WGPUDepthStencilState cDepthStencil = WGPU_DEPTH_STENCIL_STATE_INIT;
};
VTK_ABI_NAMESPACE_END
 
#endif
// VTK-HeaderTest-Exclude: vtkWebGPURenderPipelineDescriptorInternals.h