godot/thirdparty/embree/kernels/subdiv/subdivpatch1base.h

// Copyright 2009-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0

#pragma once

#include "../geometry/primitive.h"
#include "bspline_patch.h"
#include "bezier_patch.h"
#include "gregory_patch.h"
#include "gregory_patch_dense.h"
#include "tessellation.h"
#include "tessellation_cache.h"
#include "gridrange.h"
#include "patch_eval_grid.h"
#include "feature_adaptive_eval_grid.h"
#include "../common/scene_subdiv_mesh.h"

namespace embree
{
  struct __aligned(64) SubdivPatch1Base
  { … };

  namespace isa
  {
    Vec3fa patchEval(const SubdivPatch1Base& patch, const float uu, const float vv);
    Vec3fa patchNormal(const SubdivPatch1Base& patch, const float uu, const float vv);
    
    template<typename simdf>
      Vec3<simdf> patchEval(const SubdivPatch1Base& patch, const simdf& uu, const simdf& vv); 

    template<typename simdf>
      Vec3<simdf> patchNormal(const SubdivPatch1Base& patch, const simdf& uu, const simdf& vv); 
   

    /* eval grid over patch and stich edges when required */      
    void evalGrid(const SubdivPatch1Base& patch,
                  const unsigned x0, const unsigned x1,
                  const unsigned y0, const unsigned y1,
                  const unsigned swidth, const unsigned sheight,
                  float *__restrict__ const grid_x,
                  float *__restrict__ const grid_y,
                  float *__restrict__ const grid_z,
                  float *__restrict__ const grid_u,
                  float *__restrict__ const grid_v,
                  const SubdivMesh* const geom);

    /* eval grid over patch and stich edges when required */      
    BBox3fa evalGridBounds(const SubdivPatch1Base& patch,
                           const unsigned x0, const unsigned x1,
                           const unsigned y0, const unsigned y1,
                           const unsigned swidth, const unsigned sheight,
                           const SubdivMesh* const geom);
  }
}