remove redundant

engine/src/shell/platform/unity/android/unity_surface_manager.cc

     //       gr_context_.get(), m_backendTex, kBottomLeft_GrSurfaceOrigin, 1,
     //       kRGBA_8888_SkColorType, nullptr, nullptr);
   }
+
-  static EGLSurface surfaces;
-  static EGLContext egl_context_s_old;
-  static bool inited = false;
-  static EGLSurface read_s;
-  static EGLSurface draw_s;
 
   void *UnitySurfaceManager::SetTextureFromUnity(void *tex, int w, int h)
   {
     return nullptr;
   }
-  static void StoreOldCurrent(){
-        read_s = eglGetCurrentSurface(EGL_READ);
-      draw_s = eglGetCurrentSurface(EGL_DRAW);
-      egl_display_s = eglGetCurrentDisplay();
-          egl_context_s_old = eglGetCurrentContext(); //????? for get context
-  }
-  static bool RestoreOldCurrent() {
-  return eglMakeCurrent(egl_display_s, draw_s, read_s, egl_context_s_old) == GL_TRUE;
-  }
-  StoreOldCurrent();
+    auto read_s = eglGetCurrentSurface(EGL_READ);
+    auto draw_s = eglGetCurrentSurface(EGL_DRAW);
+    egl_display_s = eglGetCurrentDisplay();
+    auto egl_context_s_old = eglGetCurrentContext();
-    // egl_display_s = eglGetDisplay(EGL_DEFAULT_DISPLAY);
-    // FML_CHECK(egl_display_s != EGL_NO_DISPLAY)
-    //     << "Renderer type is invalid";
-
-    // // Initialize the display connection.
-    // FML_CHECK(eglInitialize(egl_display_s, nullptr, nullptr) == EGL_TRUE)
-    //     << "Renderer type is invalid";
-
-    // FML_CHECK(success) << "Could not choose an EGL configuration.";
-    // auto state = eglMakeCurrent(egl_display_s, EGL_NO_SURFACE, EGL_NO_SURFACE, egl_config_s) == GL_TRUE;
-    // int texture;
-    // glGenTextures()
-
-    // state = eglMakeCurrent(egl_display_s, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT) == GL_TRUE;
-    // unsigned int texture;
-    // glGenTextures(1, &texture);
-    // glBindTexture(GL_TEXTURE_2D, texture);
-    // int rowPitch = wi * 4;
-    // unsigned char *data = new unsigned char[rowPitch * he];
-
-    // glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, wi, he, 0, GL_RGB, GL_UNSIGNED_BYTE, data);
-    // state = glGetError();
-    glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
-                           gltex, 0);
-    FML_CHECK(glCheckFramebufferStatus(GL_FRAMEBUFFER) ==
-              GL_FRAMEBUFFER_COMPLETE);
+    glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, gltex, 0);
+    FML_CHECK(glCheckFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE);
-    // glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, gltex, 0);
-    state = glGetError();
-    RestoreOldCurrent();
-    // return nullptr;
+    eglMakeCurrent(egl_display_s, draw_s, read_s, egl_context_s_old);
-  // static void createContext()
-  // {
-  //   if (egl_display_s != nullptr)
-  //   {
-  //     return;
-  //   }
-  //   egl_display_s = eglGetDisplay(EGL_DEFAULT_DISPLAY);
-  //   FML_CHECK(egl_display_s != EGL_NO_DISPLAY)
-  //       << "Renderer type is invalid";
-
-  //   // Initialize the display connection.
-  //   FML_CHECK(eglInitialize(egl_display_s, nullptr, nullptr) == EGL_TRUE)
-  //       << "Renderer type is invalid";
+  static int siyao = 0;
-  //   bool success = false;
-
-  //   std::tie(success, egl_config_s) = ChooseEGLConfiguration(egl_display_s);
-  //   FML_CHECK(success) << "Could not choose an EGL configuration.";
-
-  //   EGLint attributes[] = {EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE};
-  //   egl_context_s_old = eglGetCurrentContext(); //????? for get context
-
-  //   egl_context_s = eglCreateContext(egl_display_s, egl_config_s, egl_context_s_old, attributes);
-  // }
-  static int siyao= 0;
-    // createContext();
     int width = wi;
     int height = he;
 
       unsigned char *ptr = dst;
       for (int x = 0; x < width; ++x)
       {
-        // Simple "plasma effect": several combined sine waves
-        int vv = (244 + siyao )%244;
+        int vv = (244 + siyao) % 244;
 
         // Write the texture pixel
         ptr[0] = vv;
 
-        // To next pixel (our pixels are 4 bpp)
-      // To next image row
-    auto read = eglGetCurrentSurface(EGL_READ);
-    auto draw = eglGetCurrentSurface(EGL_DRAW);
-    auto dis = eglGetCurrentDisplay();
-    auto ctx = eglGetCurrentContext();
-    // glBegin(GL_LINES);
-    //     glVertex2f(.25,0.25);
-    //     glVertex2f(.75,.75);
-    // glEnd();
-    // glClearColor(1.0, 0, 0, 1.0);
+    // glClearColor(1.0, 0, 1.0, 1.0);
-    state = eglMakeCurrent(dis,  draw, read, ctx) == GL_TRUE;
-    // state = eglMakeCurrent(EGL_NO_DISPLAY,  EGL_NO_DISPLAY, EGL_NO_DISPLAY, EGL_NO_CONTEXT) == GL_TRUE;
-    // state = eglMakeCurrent(egl_display_s, draw_s, read_s, egl_context_s_old) == GL_TRUE;
-
-    // state = eglMakeCurrent(egl_display_s, EGL_NO_DISPLAY, EGL_NO_DISPLAY, egl_context_s_old) == GL_TRUE;
-    // state = eglMakeCurrent(egl_display_s, draw, read, egl_context_s_old) == GL_TRUE;
-
+    eglMakeCurrent(egl_display_s, EGL_NO_DISPLAY, EGL_NO_DISPLAY, EGL_NO_CONTEXT);
     delete[](unsigned char *) data;
   }