util.cpp

// ======================================================================== //
// Copyright 2009-2016 Intel Corporation                                    //
//                                                                          //
// Licensed under the Apache License, Version 2.0 (the "License");          //
// you may not use this file except in compliance with the License.         //
// You may obtain a copy of the License at                                  //
//                                                                          //
//     http://www.apache.org/licenses/LICENSE-2.0                           //
//                                                                          //
// Unless required by applicable law or agreed to in writing, software      //
// distributed under the License is distributed on an "AS IS" BASIS,        //
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. //
// See the License for the specific language governing permissions and      //
// limitations under the License.                                           //
// ======================================================================== //

#include "util.h"

namespace ospray {
  namespace cpp_renderer {

    z_order_t z_order;
    bool z_order_initialized = false;

    void precomputedZOrder_create()
    {
      for(uint i = 0; i < TILE_SIZE*TILE_SIZE; i++) {
        deinterleaveZOrder(i, &z_order.xs[i], &z_order.ys[i]);
        z_order.xyIdx[i] = z_order.xs[i] | (z_order.ys[i] << 16);
      }

      z_order_initialized = true;
    }

  }// namespace cpp_renderer
}// namespace ospray