third_party/angle/util/geometry_utils.h

   1 //
   2 // Copyright (c) 2014 The ANGLE Project Authors. All rights reserved.
   3 // Use of this source code is governed by a BSD-style license that can be
   4 // found in the LICENSE file.
   5 //
   6 // geometry_utils:
   7 //   Helper library for generating certain sets of geometry.
   8 //
   9
  10 #ifndef UTIL_GEOMETRY_UTILS_H
  11 #define UTIL_GEOMETRY_UTILS_H
  12
  13 #include <cstddef>
  14 #include <vector>
  15
  16 #include <export.h>
  17 #include <GLES2/gl2.h>
  18
  19 #include "common/vector_utils.h"
  20
  21 struct ANGLE_EXPORT SphereGeometry
  22 {
  23     SphereGeometry();
  24     ~SphereGeometry();
  25
  26     std::vector<angle::Vector3> positions;
  27     std::vector<angle::Vector3> normals;
  28     std::vector<GLushort> indices;
  29 };
  30
  31 ANGLE_EXPORT void CreateSphereGeometry(size_t sliceCount, float radius, SphereGeometry *result);
  32
  33 struct ANGLE_EXPORT CubeGeometry
  34 {
  35     CubeGeometry();
  36     ~CubeGeometry();
  37
  38     std::vector<angle::Vector3> positions;
  39     std::vector<angle::Vector3> normals;
  40     std::vector<angle::Vector2> texcoords;
  41     std::vector<GLushort> indices;
  42 };
  43
  44 ANGLE_EXPORT void GenerateCubeGeometry(float radius, CubeGeometry *result);
  45
  46 #endif  // UTIL_GEOMETRY_UTILS_H