Reland of Delete video_render module.

webrtc/modules/video_render/ios/open_gles20.h

-/*
- *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#ifndef WEBRTC_MODULES_VIDEO_RENDER_IOS_OPEN_GLES20_H_
-#define WEBRTC_MODULES_VIDEO_RENDER_IOS_OPEN_GLES20_H_
-
-#include <OpenGLES/ES2/glext.h>
-
-#include "webrtc/modules/video_render/video_render_defines.h"
-
-/*
- * This OpenGles20 is the class of renderer for VideoFrame into a GLES 2.0
- * windows used in the VideoRenderIosView class.
- */
-namespace webrtc {
-class OpenGles20 {
- public:
-  OpenGles20();
-  ~OpenGles20();
-
-  bool Setup(int32_t width, int32_t height);
-  bool Render(const VideoFrame& frame);
-
-  // SetCoordinates
-  // Sets the coordinates where the stream shall be rendered.
-  // Values must be between 0 and 1.
-  bool SetCoordinates(const float z_order,
-                      const float left,
-                      const float top,
-                      const float right,
-                      const float bottom);
-
- private:
-  // Compile and load the vertex and fragment shaders defined at the top of
-  // open_gles20.mm
-  GLuint LoadShader(GLenum shader_type, const char* shader_source);
-
-  GLuint CreateProgram(const char* vertex_source, const char* fragment_source);
-
-  // Initialize the textures by the frame width and height
-  void SetupTextures(const VideoFrame& frame);
-
-  // Update the textures by the YUV data from the frame
-  void UpdateTextures(const VideoFrame& frame);
-
-  GLuint texture_ids_[3];  // Texture id of Y,U and V texture.
-  GLuint program_;
-  GLsizei texture_width_;
-  GLsizei texture_height_;
-
-  GLfloat vertices_[20];
-  static const char indices_[];
-  static const char vertext_shader_[];
-  static const char fragment_shader_[];
-};
-}  // namespace webrtc
-#endif  // WEBRTC_MODULES_VIDEO_RENDER_IOS_OPEN_GLES20_H_