feat(slam): add rtabmap_ros

rtabmap/app/android/jni/tango-gl/include/tango-gl/axis.h

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2014 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef TANGO_GL_AXIS_H_
+#define TANGO_GL_AXIS_H_
+
+#include "tango-gl/line.h"
+
+namespace tango_gl {
+class Axis : public Line {
+ public:
+  Axis();
+  void Render(const glm::mat4& projection_mat, const glm::mat4& view_mat) const;
+ private:
+  GLuint attrib_colors_;
+  std::vector<glm::vec4> vec_colors_;
+};
+}  // namespace tango_gl
+#endif  // TANGO_GL_AXIS_H_

rtabmap/app/android/jni/tango-gl/include/tango-gl/band.h

@@ -0,0 +1,55 @@
+/*
+ * Copyright 2014 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef TANGO_GL_BAND_H_
+#define TANGO_GL_BAND_H_
+
+#include <stdlib.h>
+#include <vector>
+
+#include "tango-gl/drawable_object.h"
+
+namespace tango_gl {
+class Band : public DrawableObject {
+ public:
+  enum BandMode {
+    kNormal = 0,
+    kKeepLeft = 1,
+    kKeepRight = 2
+  };
+
+  Band(const unsigned int max_legnth);
+
+  void SetWidth(const float width);
+  // Render a Band with arrow head, pass in the mode for rendering,
+  // kKeepLeft is left turn, kKeepRight is right turn,
+  // when making a turn, vertices only get updated in one side to avoid overlapping.
+  void UpdateVertexArray(const glm::mat4 m, BandMode mode);
+  void UpdateVertexArray(const glm::mat4 m);
+  void SetVertexArray(const std::vector<glm::vec3>& v, const glm::vec3& up);
+  void ClearVertexArray();
+  void Render(const glm::mat4& projection_mat, const glm::mat4& view_mat) const;
+
+ private:
+  float band_width_;
+  unsigned int max_length_;
+  std::vector<glm::vec3> vertices_v_;
+  // Current band head's left and right position in world frame.
+  glm::vec3 pivot_left;
+  glm::vec3 pivot_right;
+};
+}  // namespace tango_gl
+#endif  // TANGO_GL_BAND_H_

rtabmap/app/android/jni/tango-gl/include/tango-gl/bounding_box.h

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2014 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef TANGO_GL_BOUNDING_BOX_H_
+#define TANGO_GL_BOUNDING_BOX_H_
+
+#include <vector>
+
+#include "tango-gl/segment.h"
+#include "tango-gl/util.h"
+
+namespace tango_gl {
+class BoundingBox {
+ public:
+  BoundingBox()
+      : bounding_min_(glm::vec3(0, 0, 0)), bounding_max_(glm::vec3(0, 0, 0)) {}
+  BoundingBox(const std::vector<float>& vertices);
+  BoundingBox(const glm::vec3& min, const glm::vec3& max)
+      : bounding_min_(min), bounding_max_(max) {}
+  bool IsIntersecting(const Segment& segment, const glm::quat& rotation,
+                      const glm::mat4& transformation);
+
+ private:
+  // Axis-aligned bounding box minimum and maximum point.
+  glm::vec3 bounding_min_;
+  glm::vec3 bounding_max_;
+};
+}  // namespace tango_gl
+#endif  // TANGO_GL_BOUNDING_BOX_H_

rtabmap/app/android/jni/tango-gl/include/tango-gl/camera.h

@@ -0,0 +1,69 @@
+/*
+ * Copyright 2014 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef TANGO_GL_CAMERA_H_
+#define TANGO_GL_CAMERA_H_
+
+#include "tango-gl/transform.h"
+
+namespace tango_gl {
+class Camera : public Transform {
+ public:
+  Camera();
+  Camera(const Camera& other) = delete;
+  Camera& operator=(const Camera&) = delete;
+  ~Camera();
+
+  void SetWindowSize(const float width, const float height);
+  void SetFieldOfView(const float fov);
+  void SetOrthoMode(bool enabled) {ortho_ = enabled;}
+  void SetOrthoScale(float scale) {orthoScale_ = scale;}
+  void SetOrthoCropFactor(float value) {orthoCropFactor_ = value;}
+  void SetNearFarClipPlanes(const float near, const float far);
+
+  glm::mat4 GetViewMatrix();
+  glm::mat4 GetProjectionMatrix();
+  float getNearClipPlane() const {return near_clip_plane_;}
+  float getFarClipPlane() const {return far_clip_plane_;}
+
+  /**
+   * Create an OpenGL perspective matrix from window size, camera intrinsics, and clip settings.
+   *
+   * @param width  - The width of the camera image.
+   * @param height - The height of the camera image.
+   * @param fx     - The x-axis focal length of the camera.
+   * @param fy     - The y-axis focal length of the camera.
+   * @param cx     - The x-coordinate principal point in pixels.
+   * @param cy     - The y-coordinate principal point in pixels.
+   * @param near   - The desired near z-clipping plane.
+   * @param far    - The desired far z-clipping plane.
+   */
+  static glm::mat4 ProjectionMatrixForCameraIntrinsics(float width, float height,
+                                                       float fx,    float fy,
+                                                       float cx,    float cy,
+                                                       float near,  float far);
+ protected:
+  float field_of_view_;
+  float aspect_ratio_;
+  float width_;
+  float height_;
+  float near_clip_plane_, far_clip_plane_;
+  bool ortho_;
+  float orthoScale_;
+  float orthoCropFactor_;
+};
+}  // namespace tango_gl
+#endif  // TANGO_GL_CAMERA_H_

rtabmap/app/android/jni/tango-gl/include/tango-gl/circle.h

@@ -0,0 +1,28 @@
+/*
+ * Copyright 2014 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef TANGO_GL_CIRCLE_H_
+#define TANGO_GL_CIRCLE_H_
+
+#include "tango-gl/mesh.h"
+
+namespace tango_gl {
+class Circle : public Mesh {
+ public:
+  Circle(float radius, int resolution);
+};
+}  // namespace tango_gl
+#endif  // TANGO_GL_CIRCLE_H_

rtabmap/app/android/jni/tango-gl/include/tango-gl/color.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2014 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef TANGO_GL_COLOR_H_
+#define TANGO_GL_COLOR_H_
+
+namespace tango_gl {
+class Color {
+ public:
+  Color() : r(0), g(0), b(0) {}
+  Color(float red, float green, float blue) : r(red), g(green), b(blue) {}
+  Color(const Color&) = default;
+  Color& operator=(const Color&) = default;
+
+  float r;
+  float g;
+  float b;
+};
+}  // namespace tango_gl
+#endif  // TANGO_GL_COLOR_H_

rtabmap/app/android/jni/tango-gl/include/tango-gl/conversions.h

@@ -0,0 +1,132 @@
+/*
+ * Copyright 2014 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef TANGO_GL_GL_TANGO_CONVERSIONS_H_
+#define TANGO_GL_GL_TANGO_CONVERSIONS_H_
+
+#define GLM_FORCE_RADIANS
+
+#include "glm/glm.hpp"
+#include "glm/gtc/matrix_transform.hpp"
+#include "glm/gtc/quaternion.hpp"
+
+namespace tango_gl {
+namespace conversions {
+
+/**
+ * @brief Creates a glm::vec3 from double[3] = {x, y, z}. This is designed to
+ * work with the TangoPoseData.translation field.
+ */
+inline glm::vec3 Vec3FromArray(const double* array) {
+  return glm::vec3(array[0], array[1], array[2]);
+}
+
+/**
+ * @brief Creates a glm::quat from double[4] = {x, y, z, w}. This is designed to
+ * work with the TangoPoseData.orientation field.
+ */
+inline glm::quat QuatFromArray(const double* array) {
+  // Note GLM expects arguments in order {w, x, y, z}.
+  return glm::quat(array[3], array[0], array[1], array[2]);
+}
+
+/**
+ * @brief Creates a glm::mat4 rigid-frame transformation matrix from two arrays.
+ * This is designed for the TangoPoseData translation and orientation fields.
+ * @param A_p_B Position [x, y, z] of B_origin from A_origin, expressed in A.
+ * @param A_q_B The quaternion representation [x, y, z, w] of the rotation
+ * matrix A_R_B.
+ * @return The transformation matrix A_T_B.
+ */
+inline glm::mat4 TransformFromArrays(const double* A_p_B, const double* A_q_B) {
+  glm::vec3 glm_A_p_B = Vec3FromArray(A_p_B);
+  glm::quat glm_A_q_B = QuatFromArray(A_q_B);
+  return glm::translate(glm::mat4(1.0f), glm_A_p_B) * glm::mat4_cast(glm_A_q_B);
+}
+
+/**
+ * @brief Creates a glm::mat4 rigid-frame transformation matrix from glm::vec3 and glm::quat.
+ * This is designed for the TangoPoseData translation and orientation fields.
+ * @param A_p_B A position vector of B_origin from A_origin, expressed in A.
+ * @param A_q_B A quaternion representation of the rotation.
+ * matrix A_R_B.
+ * @return The transformation matrix A_T_B.
+ */
+inline glm::mat4 TransformFromVecAndQuat(const glm::vec3& A_p_B, const glm::quat& A_q_B) {
+  return glm::translate(glm::mat4(1.0f), A_p_B) * glm::mat4_cast(A_q_B);
+}
+
+/**
+ * @brief Convert (re-express, or rotate) a vector from the Tango ADF (or start-
+ * of-service) frame convention [right, forward, up] to the typical OpenGl world
+ * frame convention [right, up, backward]. Note this assumes the two frames are
+ * coincident, and it doesn't know about any additional offsets between a
+ * particular OpenGl scene and the Tango service frames.
+ * @param tango_vec A vector expressed in the Tango ADF frame convention.
+ * @return The same vector expressed using the Opengl frame convention.
+ */
+inline glm::vec3 Vec3TangoToGl(const glm::vec3& tango_vec) {
+  return glm::vec3(tango_vec.x, tango_vec.z, -tango_vec.y);
+}
+
+/**
+ * @brief Convert (re-express, or rotate) a vector from the typical OpenGl world
+ * frame convention [right, up, backward] to the Tango ADF (or start-of-service)
+ * frame convention [right, forward, up]. Note this assumes the two frames are
+ * coincident, and it doesn't know about any additional offsets between a
+ * particular OpenGl scene and the Tango service frames.
+ * @param gl_vec A vector expressed in the Opengl world frame convention.
+ * @return The same vector expressed using the Tango ADF frame convention.
+ */
+inline glm::vec3 Vec3GlToTango(const glm::vec3& gl_vec) {
+  return glm::vec3(gl_vec.x, -gl_vec.z, gl_vec.y);
+}
+
+/**
+ * @brief Given a quaternion representing the rotation matrix tango_R_any,
+ * returns the quaternion representing gl_R_any, where "any" is an arbitrary
+ * frame. Note the gl base frame is rotated by 90-degrees about +X from the
+ * Tango ADF/start-of-service frame, so this is equivalent to applying such a
+ * rotation to the quaternion.
+ * @param tango_q_any A quaternion representing rotation matrix tango_R_any.
+ * @return The quaternion representing gl_R_any.
+ */
+glm::quat QuatTangoToGl(const glm::quat& tango_q_any);
+
+/**
+ * Get the fixed transformation matrix relating the opengl frame convention
+ * (with Y-up, X-right) and the tango frame convention for the start-of-service
+ * and ADF frames (with Z-up, X-right), termed "world" here.
+ */
+glm::mat4 opengl_world_T_tango_world();
+
+/**
+ * Get the fixed transformation matrix relating the frame convention of the
+ * device's color camera frame (with Z-forward, X-right) and the opengl camera
+ * frame (with Z-backward, X-right).
+ */
+glm::mat4 color_camera_T_opengl_camera();
+
+/**
+ * Get the fixed transformation matrix relating the frame convention of the
+ * device's depth camera frame (with Z-forward, X-right) and the opengl camera
+ * frame (with Z-backward, X-right).
+ */
+glm::mat4 depth_camera_T_opengl_camera();
+
+}  // namespace conversions
+}  // namespace tango_gl
+#endif  // TANGO_GL_GL_TANGO_CONVERSIONS_H_

rtabmap/app/android/jni/tango-gl/include/tango-gl/cube.h

@@ -0,0 +1,28 @@
+/*
+ * Copyright 2014 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef TANGO_GL_CUBE_H_
+#define TANGO_GL_CUBE_H_
+
+#include "tango-gl/mesh.h"
+
+namespace tango_gl {
+class Cube : public Mesh {
+ public:
+  Cube();
+};
+}  // namespace tango_gl
+#endif  // TANGO_GL_CUBE_H_

rtabmap/app/android/jni/tango-gl/include/tango-gl/drawable_object.h

@@ -0,0 +1,63 @@
+/*
+ * Copyright 2014 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef TANGO_GL_DRAWABLE_OBJECT_H_
+#define TANGO_GL_DRAWABLE_OBJECT_H_
+
+#include <vector>
+
+#include "tango-gl/color.h"
+#include "tango-gl/transform.h"
+#include "tango-gl/util.h"
+
+namespace tango_gl {
+class DrawableObject : public Transform {
+ public:
+  DrawableObject() : red_(0), green_(0), blue_(0), alpha_(1.0f) {};
+  DrawableObject(const DrawableObject& other) = delete;
+  const DrawableObject& operator=(const DrawableObject&) = delete;
+
+  void DeleteGlResources();
+  void SetShader();
+  void SetColor(const Color& color);
+  void SetColor(const float red, const float green, const float blue);
+  void SetAlpha(const float alpha);
+  void SetVertices(const std::vector<GLfloat>& vertices);
+  void SetVertices(const std::vector<GLfloat>& vertices,
+                   const std::vector<GLushort>& indices);
+  void SetVertices(const std::vector<GLfloat>& vertices,
+                   const std::vector<GLfloat>& normals);
+  virtual void Render(const glm::mat4& projection_mat,
+                      const glm::mat4& view_mat) const = 0;
+
+ protected:
+  float red_;
+  float green_;
+  float blue_;
+  float alpha_;
+  std::vector<GLushort> indices_;
+  std::vector<GLfloat> vertices_;
+  std::vector<GLfloat> normals_;
+
+  GLenum render_mode_;
+  GLuint shader_program_;
+  GLuint uniform_color_;
+  GLuint uniform_mvp_mat_;
+  GLuint attrib_vertices_;
+  GLuint attrib_normals_;
+};
+}  // namespace tango_gl
+#endif  // TANGO_GL_DRAWABLE_OBJECT_H_

rtabmap/app/android/jni/tango-gl/include/tango-gl/frustum.h

@@ -0,0 +1,28 @@
+/*
+ * Copyright 2014 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef TANGO_GL_FRUSTUM_H_
+#define TANGO_GL_FRUSTUM_H_
+
+#include "tango-gl/line.h"
+
+namespace tango_gl {
+class Frustum : public Line {
+ public:
+  Frustum();
+};
+}  // namespace tango_gl
+#endif  // TANGO_GL_FRUSTUM_H_

rtabmap/app/android/jni/tango-gl/include/tango-gl/gesture_camera.h

@@ -0,0 +1,94 @@
+/*
+ * Copyright 2014 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef TANGO_GL_GESTURE_CAMERA_H_
+#define TANGO_GL_GESTURE_CAMERA_H_
+
+#include "tango-gl/camera.h"
+#include "tango-gl/segment.h"
+#include "tango-gl/transform.h"
+#include "tango-gl/util.h"
+
+namespace tango_gl {
+class GestureCamera : public Camera {
+ public:
+  enum CameraType {
+    kFirstPerson = 0,
+    kThirdPersonFollow = 1,
+    kTopDown = 2,
+	kTopOrtho = 3,
+    kThirdPerson = 4
+  };
+
+  enum TouchEvent {
+    kTouch0Down = 0,
+    kTouch0Up = 1,
+    kTouchMove = 2,
+    kTouch1Down = 5,
+    kTouch1Up = 6,
+    kTouchNone = -1
+  };
+
+  GestureCamera();
+  ~GestureCamera();
+
+  void OnTouchEvent(int touch_count, TouchEvent event, float x0, float y0,
+                    float x1, float y1);
+
+  // Get the ray in opengl world frame given the 2d touch position on screen,
+  // normalized touch_x and normalized touch_y should be the same value get from
+  // OnTouchEvent, x0 and y0, touch_range is the depth of the touch in
+  // camera frame.
+  Segment GetSegmentFromTouch(float normalized_x, float normalized_y,
+                              float touch_range);
+
+  void SetAnchorPosition(const glm::vec3& pos, const glm::quat & rotation);
+  void SetAnchorOffset(const glm::vec3& pos) {anchor_offset_ = pos;}
+  const glm::vec3& GetAnchorOffset() const {return anchor_offset_;}
+
+  void SetCameraDistance(float cameraDistance) {cam_cur_dist_ = cameraDistance;}
+  float GetCameraDistance() const {return cam_cur_dist_;}
+
+  // Set camera type, set render camera's parent position and rotation.
+  void SetCameraType(CameraType camera_index);
+
+  CameraType GetCameraType() const { return camera_type_; }
+  float getFOV() const {return field_of_view_ * RADIAN_2_DEGREE;}
+
+ private:
+  void StartCameraToCurrentTransform();
+
+  // Render camera's parent transformation.
+  Transform* cam_parent_transform_;
+
+  CameraType camera_type_;
+
+  glm::vec2 cam_start_angle_;
+  glm::vec2 cam_cur_angle_;
+  glm::quat cam_cur_target_rot_;
+
+  float cam_start_dist_;
+  float cam_start_fov_;
+  float cam_cur_dist_;
+  glm::vec3 anchor_offset_;
+
+  float start_touch_dist_;
+  float cur_touch_dist_;
+
+  glm::vec2 touch0_start_position_;
+};
+}  // namespace tango_gl
+#endif  // TANGO_GL_GESTURE_CAMERA_H_

rtabmap/app/android/jni/tango-gl/include/tango-gl/goal_marker.h

@@ -0,0 +1,18 @@
+/*
+ * Copyright 2014 Google Inc. All Rights Reserved.
+ * Distributed under the Project Tango Preview Development Kit (PDK) Agreement.
+ * CONFIDENTIAL. AUTHORIZED USE ONLY. DO NOT REDISTRIBUTE.
+ */
+
+#ifndef TANGO_GL_GOAL_MARKER_H_
+#define TANGO_GL_GOAL_MARKER_H_
+
+#include <tango-gl/mesh.h>
+
+namespace tango_gl {
+class GoalMarker : public Mesh {
+ public:
+  GoalMarker();
+};
+}  // namespace tango_gl
+#endif  // TANGO_GL_GOAL_MARKER_H_

rtabmap/app/android/jni/tango-gl/include/tango-gl/grid.h

@@ -0,0 +1,28 @@
+/*
+ * Copyright 2014 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef TANGO_GL_GRID_H_
+#define TANGO_GL_GRID_H_
+
+#include "tango-gl/line.h"
+
+namespace tango_gl {
+class Grid : public Line {
+ public:
+  Grid(float density = 1.0f, int qx = 50, int qy = 50);
+};
+}  // namespace tango_gl
+#endif  // TANGO_GL_GRID_H_

rtabmap/app/android/jni/tango-gl/include/tango-gl/line.h

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2014 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef TANGO_GL_LINE_H_
+#define TANGO_GL_LINE_H_
+
+#include "tango-gl/drawable_object.h"
+
+namespace tango_gl {
+class Line : public DrawableObject {
+ public:
+  Line(float line_width, GLenum render_mode);
+  void SetLineWidth(const float pixels);
+  void Render(const glm::mat4& projection_mat, const glm::mat4& view_mat) const;
+  void UpdateLineVertices(const std::vector<glm::vec3>& vec_vertices) {
+    vec_vertices_ = vec_vertices;
+  }
+
+ protected:
+  float line_width_;
+  std::vector<glm::vec3> vec_vertices_;
+};
+}  // namespace tango_gl
+#endif  // TANGO_GL_LINE_H_

rtabmap/app/android/jni/tango-gl/include/tango-gl/mesh.h

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2014 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef TANGO_GL_MESH_H_
+#define TANGO_GL_MESH_H_
+
+#include "tango-gl/bounding_box.h"
+#include "tango-gl/drawable_object.h"
+#include "tango-gl/segment.h"
+
+namespace tango_gl {
+class Mesh : public DrawableObject {
+ public:
+  Mesh();
+  Mesh(GLenum render_mode);
+  void SetShader();
+  void SetShader(bool is_lighting_on);
+  void SetBoundingBox();
+  void SetLightDirection(const glm::vec3& light_direction);
+  void Render(const glm::mat4& projection_mat, const glm::mat4& view_mat) const;
+  bool IsIntersecting(const Segment& segment);
+
+ protected:
+  BoundingBox* bounding_box_;
+  bool is_lighting_on_;
+  bool is_bounding_box_on_;
+  glm::vec3 light_direction_;
+  GLuint uniform_mv_mat_;
+  GLuint uniform_light_vec_;
+};
+}  // namespace tango_gl
+#endif  // TANGO_GL_MESH_H_

rtabmap/app/android/jni/tango-gl/include/tango-gl/obj_loader.h

@@ -0,0 +1,61 @@
+/*
+ * Copyright 2014 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef TANGO_GL_OBJ_LOADER_H
+#define TANGO_GL_OBJ_LOADER_H
+
+#include <vector>
+
+#include "tango-gl/util.h"
+
+namespace tango_gl {
+namespace obj_loader {
+//  Load standard .obj file into vertices, indices or normals vectors,
+//  OBJ file can be exported from 3D tools like 3ds Max or Blender.
+//  A readable file with only vertices should look like
+//  "v 1.00 2.00 3.00
+//   ...
+//   f 1 2 3
+//   f 1 2 3 4
+//   ..."
+//
+//  If exported with normals, file should look like
+//  "v 1.00 2.00 3.00
+//   ...
+//   f 1//1 2//3 3//4
+//   f 1//1 2//3 3//4 4//6
+//   ...
+//   vn 1.00 2.00 3.00
+//   ..."
+//  this can be used with Mesh:
+//
+//  std::vector<GLfloat> vertices;
+//  std::vector<GLushort> indices;
+//  std::vector<GLfloat> normals;
+//  tango_gl::obj_loader::LoadOBJData("/sdcard/model.obj", vertices, indices);
+//  mesh->SetVertices(vertices, indices);
+//  or
+//  tango_gl::obj_loader::LoadOBJData("/sdcard/model.obj", vertices, normals);
+//  mesh->SetVertices(vertices, normals);
+
+bool LoadOBJData(const char* path, std::vector<GLfloat>& vertices,
+                 std::vector<GLushort>& indices);
+
+bool LoadOBJData(const char* path, std::vector<GLfloat>& vertices,
+                 std::vector<GLfloat>& normals);
+}  // namespace obj_loader
+}  // namespace tango_gl
+#endif  // TANGO_GL_OBJ_LOADER

rtabmap/app/android/jni/tango-gl/include/tango-gl/quad.h

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2014 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef TANGO_GL_QUAD_H_
+#define TANGO_GL_QUAD_H_
+
+#include "tango-gl/drawable_object.h"
+
+namespace tango_gl {
+class Quad : public DrawableObject {
+ public:
+  Quad();
+  Quad(const Quad& other) = delete;
+  Quad& operator=(const Quad&) = delete;
+  ~Quad();
+
+  void Render(const glm::mat4& projection_mat, const glm::mat4& view_mat) const;
+  void SetTextureId(GLuint texture_id);
+
+ private:
+  GLuint vertex_buffer_;
+  GLuint shader_program_;
+  GLuint attrib_vertices_;
+  GLuint texture_coords_;
+  GLuint texture_handle;
+  GLuint uniform_mvp_mat_;
+
+  GLuint texture_id_;
+};
+}  // namespace tango_gl
+#endif  // TANGO_GL_QUAD_H_

rtabmap/app/android/jni/tango-gl/include/tango-gl/segment.h

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2014 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef TANGO_GL_SEGMENT_H_
+#define TANGO_GL_SEGMENT_H_
+
+#include "glm/glm.hpp"
+
+namespace tango_gl {
+class Segment {
+ public:
+  Segment() : start(glm::vec3(0, 0, 0)), end(glm::vec3(0, 0, 0)) {}
+  Segment(const glm::vec3& segment_start, const glm::vec3& segment_end)
+      : start(segment_start), end(segment_end) {}
+  Segment(const Segment&) = default;
+  Segment& operator=(const Segment&) = default;
+
+  glm::vec3 start;
+  glm::vec3 end;
+};
+}  // namespace tango_gl
+#endif  // TANGO_GL_SEGMENT_H_

rtabmap/app/android/jni/tango-gl/include/tango-gl/segment_drawable.h

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2014 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef TANGO_GL_SEGMENT_DRAWABLE_H_
+#define TANGO_GL_SEGMENT_DRAWABLE_H_
+
+#include "tango-gl/line.h"
+#include "tango-gl/segment.h"
+
+namespace tango_gl {
+class SegmentDrawable : public Line {
+ public:
+  SegmentDrawable();
+  void UpdateSegment(const Segment& segment);
+};
+}  // namespace tango_gl
+#endif  // TANGO_GL_SEGMENT_DRAWABLE_H_

rtabmap/app/android/jni/tango-gl/include/tango-gl/shaders.h

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2014 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef TANGO_GL_SHADERS_H_
+#define TANGO_GL_SHADERS_H_
+
+#include <string>
+
+namespace tango_gl {
+namespace shaders {
+std::string GetBasicVertexShader();
+std::string GetBasicFragmentShader();
+std::string GetColorVertexShader();
+std::string GetVideoOverlayVertexShader();
+std::string GetVideoOverlayFragmentShader();
+std::string GetShadedVertexShader();
+}  // namespace shaders
+}  // namespace tango_gl
+#endif  // TANGO_GL_SHADERS_H_

rtabmap/app/android/jni/tango-gl/include/tango-gl/texture.h

@@ -0,0 +1,50 @@
+/*
+ * Copyright 2014 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef TANGO_GL_TEXTURE_H_
+#define TANGO_GL_TEXTURE_H_
+
+#include <errno.h>
+
+#ifdef __ANDROID__
+#include <png.h>
+#endif
+
+#include "tango-gl/util.h"
+
+namespace tango_gl {
+class Texture {
+ public:
+  Texture(const char* file_path);
+  Texture(const Texture& other) = delete;
+  Texture& operator=(const Texture&) = delete;
+  ~Texture();
+
+#ifdef __ANDROID__
+  bool LoadFromPNG(const char* file_path);
+#endif
+  GLuint GetTextureID() const;
+
+ private:
+#ifdef __ANDROID__
+  png_uint_32 width_, height_;
+#endif
+  int bit_depth_, color_type_;
+  char* byte_data_;
+  GLuint texture_id_;
+};
+}  // namespace tango_gl
+#endif  // TANGO_GL_TEXTURE_H_

rtabmap/app/android/jni/tango-gl/include/tango-gl/trace.h

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2014 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef TANGO_GL_TRACE_H_
+#define TANGO_GL_TRACE_H_
+
+#include "tango-gl/line.h"
+
+namespace tango_gl {
+class Trace : public Line {
+ public:
+  Trace();
+  void UpdateVertexArray(const glm::vec3& v);
+  void ClearVertexArray();
+};
+}  // namespace tango_gl
+#endif  // TANGO_GL_TRACE_H_

rtabmap/app/android/jni/tango-gl/include/tango-gl/transform.h

@@ -0,0 +1,59 @@
+/*
+ * Copyright 2014 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef TANGO_GL_TRANSFORM_H_
+#define TANGO_GL_TRANSFORM_H_
+
+#include "glm/glm.hpp"
+#include "glm/gtc/quaternion.hpp"
+
+namespace tango_gl {
+class Transform {
+ public:
+  Transform();
+  virtual ~Transform();
+
+  Transform(const Transform& other) = delete;
+  const Transform& operator=(const Transform& rhs) = delete;
+
+  void SetPosition(const glm::vec3& position);
+  glm::vec3 GetPosition() const;
+
+  void SetRotation(const glm::quat& rotation);
+  glm::quat GetRotation() const;
+
+  void SetScale(const glm::vec3& scale);
+  glm::vec3 GetScale() const;
+
+  void Translate(const glm::vec3& translation);
+
+  void SetTransformationMatrix(const glm::mat4& transform_mat);
+  glm::mat4 GetTransformationMatrix() const;
+
+  void SetParent(Transform* transform);
+
+  const Transform* GetParent() const ;
+  Transform* GetParent() ;
+
+ private:
+  Transform* parent_;
+
+  glm::vec3 position_;
+  glm::quat rotation_;
+  glm::vec3 scale_;
+};
+}  // namespace tango_gl
+#endif  // TANGO_GL_TRANSFORM_H_

rtabmap/app/android/jni/tango-gl/include/tango-gl/triangle.h

@@ -0,0 +1,28 @@
+/*
+ * Copyright 2014 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef TANGO_GL_TRIANGLE_H_
+#define TANGO_GL_TRIANGLE_H_
+
+#include "tango-gl/mesh.h"
+
+namespace tango_gl {
+class Triangle : public Mesh {
+ public:
+  Triangle();
+};
+}  // namespace tango_gl
+#endif  // TANGO_GL_TRIANGLE_H_

rtabmap/app/android/jni/tango-gl/include/tango-gl/util.h

@@ -0,0 +1,106 @@
+/*
+ * Copyright 2014 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef TANGO_GL_GL_UTIL_H_
+#define TANGO_GL_GL_UTIL_H_
+#define GLM_FORCE_RADIANS
+
+#define GL_VERTEX_PROGRAM_POINT_SIZE 0x8642
+
+#include <stdlib.h>
+#ifdef __ANDROID__
+#include <jni.h>
+#include <android/log.h>
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+#else // __APPLE__
+#include <OpenGLES/ES2/gl.h>
+#include <OpenGLES/ES2/glext.h>
+#include <syslog.h>
+#endif
+
+#include "glm/glm.hpp"
+#include "glm/gtc/matrix_transform.hpp"
+#include "glm/gtc/quaternion.hpp"
+#include "glm/gtc/type_ptr.hpp"
+#include "glm/gtx/matrix_decompose.hpp"
+
+#define LOG_TAG "rtabmap"
+#if defined(DISABLE_LOG)
+#define LOGD(...) ;
+#define LOGI(...) ;
+#define LOGW(...) ;
+#else
+#ifdef __APPLE__
+#define LOGD(...) fprintf(stderr, __VA_ARGS__); fprintf(stderr, "\n")
+#define LOGI(...) fprintf(stderr, __VA_ARGS__); fprintf(stderr, "\n")
+#define LOGW(...) fprintf(stderr, __VA_ARGS__); fprintf(stderr, "\n")
+#else
+#define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG,LOG_TAG,__VA_ARGS__)
+#define LOGI(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__)
+#define LOGW(...) __android_log_print(ANDROID_LOG_WARN,LOG_TAG,__VA_ARGS__)
+#endif
+#endif
+#ifdef __APPLE__
+#define LOGE(...) fprintf(stderr, __VA_ARGS__); fprintf(stderr, "\n")
+#define LOGF(...) fprintf(stderr, __VA_ARGS__); fprintf(stderr, "\n")
+#else
+#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR,LOG_TAG,__VA_ARGS__)
+#define LOGF(...) __android_log_print(ANDROID_LOG_FATAL,LOG_TAG,__VA_ARGS__)
+#endif
+
+#ifndef M_PI
+#define M_PI 3.1415926f
+#endif
+
+#define RADIAN_2_DEGREE 57.2957795f
+#define DEGREE_2_RADIANS 0.0174532925f
+
+namespace tango_gl {
+namespace util {
+  void CheckGlError(const char* operation);
+
+  GLuint CreateProgram(const char* vertex_source,
+                       const char* fragment_source);
+
+  void DecomposeMatrix(const glm::mat4& transform_mat,
+                       glm::vec3& translation,
+                       glm::quat& rotation,
+                       glm::vec3& scale);
+
+  // Get a 3x1 column from the upper 3x4 of a transformation matrix. Columns
+  // 0, 1, 2 are the rotation/scale portion, and column 3 is the translation.
+  glm::vec3 GetColumnFromMatrix(const glm::mat4& mat, const int col);
+
+  // Get the translation component of a transformation matrix.
+  glm::vec3 GetTranslationFromMatrix(const glm::mat4& mat);
+
+  float Clamp(float value, float min, float max);
+  void PrintMatrix(const glm::mat4& matrix);
+  void PrintVector(const glm::vec3& vector);
+  void PrintQuaternion(const glm::quat& quat);
+
+  glm::vec3 LerpVector(const glm::vec3& x, const glm::vec3& y, float a);
+  float DistanceSquared(const glm::vec3& v1, const glm::vec3& v2);
+
+  bool SegmentAABBIntersect(const glm::vec3& aabb_min, const glm::vec3& aabb_max,
+                        const glm::vec3& start, const glm::vec3& end);
+
+  glm::vec3 ApplyTransform(const glm::mat4& mat, const glm::vec3& vec);
+
+}  // namespace util
+}  // namespace tango_gl
+#endif  // TANGO_GL_RENDERER_GL_UTIL

rtabmap/app/android/jni/tango-gl/include/tango-gl/video_overlay.h

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2014 Google Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef TANGO_GL_RENDERER_VIDEO_OVERLAY_H_
+#define TANGO_GL_RENDERER_VIDEO_OVERLAY_H_
+
+#include "tango-gl/drawable_object.h"
+
+namespace tango_gl {
+class VideoOverlay : public DrawableObject {
+ public:
+  VideoOverlay();
+  void Render(const glm::mat4& projection_mat, const glm::mat4& view_mat) const;
+  GLuint GetTextureId() const { return texture_id_; }
+  void SetTextureId(GLuint texture_id) { texture_id_ = texture_id; }
+
+ private:
+  // This id is populated on construction, and is passed to the tango service.
+  GLuint texture_id_;
+
+  GLuint attrib_texture_coords_;
+  GLuint uniform_texture_;
+  GLuint vertex_buffers_[3];
+};
+}  // namespace tango_gl
+#endif  // TANGO_GL_RENDERER_VIDEO_OVERLAY_H_