vtkWebGPUImplExtensions.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkWebGPUImplExtensions_h
#define vtkWebGPUImplExtensions_h
 
#include "vtk_wgpu.h" // for the WebGPU C API
 
#ifdef __EMSCRIPTEN__
// Selects the HTML canvas a surface renders into. Provided by emdawnwebgpu.
#define VTK_WGPUSType_EmscriptenSurfaceSourceCanvasHTMLSelector ((WGPUSType)0x00040000)
 
typedef struct VTKWGPUEmscriptenSurfaceSourceCanvasHTMLSelector
{
  WGPUChainedStruct chain;
  WGPUStringView selector;
} VTKWGPUEmscriptenSurfaceSourceCanvasHTMLSelector;
 
#define VTK_WGPU_EMSCRIPTEN_SURFACE_SOURCE_CANVAS_HTML_SELECTOR_INIT                               \
  VTKWGPUEmscriptenSurfaceSourceCanvasHTMLSelector                                                 \
  {                                                                                                \
    /*.chain=*/{ /*.next=*/nullptr,                                                                \
      /*.sType=*/VTK_WGPUSType_EmscriptenSurfaceSourceCanvasHTMLSelector },                        \
      /*.selector=*/WGPUStringView                                                                 \
    {                                                                                              \
      nullptr, WGPU_STRLEN                                                                         \
    }                                                                                              \
  }
#endif // __EMSCRIPTEN__
 
#if VTK_USE_DAWN_WEBGPU
// Reports the adapter's power preference. Chained onto WGPUAdapterInfo by Dawn.
#define VTK_WGPUSType_DawnAdapterPropertiesPowerPreference ((WGPUSType)0x00050008)
 
typedef struct VTKWGPUDawnAdapterPropertiesPowerPreference
{
  WGPUChainedStruct chain;
  WGPUPowerPreference powerPreference;
} VTKWGPUDawnAdapterPropertiesPowerPreference;
 
#define VTK_WGPU_DAWN_ADAPTER_PROPERTIES_POWER_PREFERENCE_INIT                                     \
  VTKWGPUDawnAdapterPropertiesPowerPreference                                                      \
  {                                                                                                \
    /*.chain=*/{ /*.next=*/nullptr,                                                                \
      /*.sType=*/VTK_WGPUSType_DawnAdapterPropertiesPowerPreference },                             \
      /*.powerPreference=*/WGPUPowerPreference_Undefined                                           \
  }
#endif // VTK_USE_DAWN_WEBGPU
 
#endif
// VTK-HeaderTest-Exclude: vtkWebGPUImplExtensions.h