Moving the GL implementation details into a sub folder for client display.

remoting/client/gl_math.cc

-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "remoting/client/gl_math.h"
-
-#include <sstream>
-
-namespace remoting {
-
-void TransposeTransformationMatrix(std::array<float, 9>* matrix) {
-  // | ??, m1, m2, |    | ??, m3, m6 |
-  // | m3, ??, m5, | -> | m1, ??, m7 |
-  // | m6, m7, ??  |    | m2, m5, ?? |
-  std::swap((*matrix)[1], (*matrix)[3]);
-  std::swap((*matrix)[2], (*matrix)[6]);
-  std::swap((*matrix)[5], (*matrix)[7]);
-}
-
-void FillRectangleVertexPositions(float left,
-                                  float top,
-                                  float width,
-                                  float height,
-                                  std::array<float, 8>* positions) {
-  (*positions)[0] = left;
-  (*positions)[1] = top;
-
-  (*positions)[2] = left;
-  (*positions)[3] = top + height;
-
-  (*positions)[4] = left + width;
-  (*positions)[5] = top;
-
-  (*positions)[6] = left + width;
-  (*positions)[7] = top + height;
-}
-
-std::string MatrixToString(const float* mat, int num_rows, int num_cols) {
-  std::ostringstream outstream;
-  outstream << "[\n";
-  for (int i = 0; i < num_rows; i++) {
-    for (int j = 0; j < num_cols; j++) {
-      outstream << mat[i * num_cols + j] << ", ";
-    }
-    outstream << "\n";
-  }
-  outstream << "]";
-  return outstream.str();
-}
-
-}  // namespace remoting