opensubdiv_capi_type.hh

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/* SPDX-FileCopyrightText: 2013 Blender Foundation
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
enum eOpenSubdivEvaluator {
  OPENSUBDIV_EVALUATOR_CPU = 0,
  OPENSUBDIV_EVALUATOR_GPU = 1,
};
 
enum OpenSubdiv_SchemeType {
  OSD_SCHEME_BILINEAR,
  OSD_SCHEME_CATMARK,
  OSD_SCHEME_LOOP,
};
 
enum OpenSubdiv_VtxBoundaryInterpolation {
  // Do not interpolate boundaries
  OSD_VTX_BOUNDARY_NONE,
  // Sharpen edges.
  OSD_VTX_BOUNDARY_EDGE_ONLY,
  // sharpen edges and corners,
  OSD_VTX_BOUNDARY_EDGE_AND_CORNER,
};
 
enum OpenSubdiv_FVarLinearInterpolation {
  OSD_FVAR_LINEAR_INTERPOLATION_NONE,
  OSD_FVAR_LINEAR_INTERPOLATION_CORNERS_ONLY,
  OSD_FVAR_LINEAR_INTERPOLATION_CORNERS_PLUS1,
  OSD_FVAR_LINEAR_INTERPOLATION_CORNERS_PLUS2,
  OSD_FVAR_LINEAR_INTERPOLATION_BOUNDARIES,
  OSD_FVAR_LINEAR_INTERPOLATION_ALL,
};
 
struct OpenSubdiv_PatchCoord {
  int ptex_face;
 
  // Parametric location on patch.
  float u, v;
};