All files / Sources/Rendering/WebGPU/PixelSpaceCallbackMapper index.js

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import macro from 'vtk.js/Sources/macros';
import vtkViewNode from 'vtk.js/Sources/Rendering/SceneGraph/ViewNode';
 
import { registerOverride } from 'vtk.js/Sources/Rendering/WebGPU/ViewNodeFactory';
 
// ----------------------------------------------------------------------------
// vtkWebGPUPixelSpaceCallbackMapper methods
// ----------------------------------------------------------------------------
 
function vtkWebGPUPixelSpaceCallbackMapper(publicAPI, model) {
  model.classHierarchy.push('vtkWebGPUPixelSpaceCallbackMapper');
 
  publicAPI.opaquePass = (prepass, renderPass) => {
    model.WebGPURenderer =
      publicAPI.getFirstAncestorOfType('vtkWebGPURenderer');
    model.WebGPURenderWindow = model.WebGPURenderer.getParent();
    const aspectRatio = model.WebGPURenderer.getAspectRatio();
    const camera = model.WebGPURenderer
      ? model.WebGPURenderer.getRenderable().getActiveCamera()
      : null;
    const tsize = model.WebGPURenderer.getTiledSizeAndOrigin();
    const texels = null;
 
    if (model.renderable.getUseZValues()) {
      // Todo return zvalues? async?
    }
 
    model.renderable.invokeCallback(
      model.renderable.getInputData(),
      camera,
      aspectRatio,
      tsize,
      texels
    );
  };
}
 
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
 
const DEFAULT_VALUES = {};
 
// ----------------------------------------------------------------------------
 
export function extend(publicAPI, model, initialValues = {}) {
  Object.assign(model, DEFAULT_VALUES, initialValues);
 
  // Inheritance
  vtkViewNode.extend(publicAPI, model, initialValues);
 
  // Object methods
  vtkWebGPUPixelSpaceCallbackMapper(publicAPI, model);
}
 
// ----------------------------------------------------------------------------
 
export const newInstance = macro.newInstance(
  extend,
  'vtkWebGPUPixelSpaceCallbackMapper'
);
 
// ----------------------------------------------------------------------------
 
export default { newInstance, extend };
 
// Register ourself to WebGPU backend if imported
registerOverride('vtkPixelSpaceCallbackMapper', newInstance);