[Android WebView] More App GL state save/restore

android_webview/browser/scoped_app_gl_state_restore.h

 // Copyright 2013 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 "base/basictypes.h"
 #include "ui/gl/gl_bindings.h"
 
 namespace gfx {
 class GLContext;
 }
 
 namespace android_webview {
 
 // This class is not thread safe and should only be used on the UI thread.
 class ScopedAppGLStateRestore {
  public:
   enum CallMode {
     MODE_DRAW,
     MODE_DETACH_FROM_WINDOW
   };
 
   ScopedAppGLStateRestore(CallMode mode);
   ~ScopedAppGLStateRestore();
 
  private:
+  const CallMode mode_;
+
   GLint texture_external_oes_binding_;
   GLint pack_alignment_;
   GLint unpack_alignment_;
 
   struct {
     GLint enabled;
     GLint size;
     GLint type;
     GLint normalized;
     GLint stride;
     GLvoid* pointer;
   } vertex_attrib_[3];
 
   GLint vertex_array_buffer_binding_;
   GLint index_array_buffer_binding_;
 
   GLboolean depth_test_;
   GLboolean cull_face_;
+  GLint cull_face_mode_;
   GLboolean color_mask_[4];
+  GLfloat color_clear_[4];
+  GLfloat depth_clear_;
+  GLint current_program_;
+  GLint depth_func_;
+  GLboolean depth_mask_;
+  GLfloat depth_rage_[2];
+  GLint front_face_;
+  GLint hint_generate_mipmap_;
+  GLfloat line_width_;
+  GLfloat polygon_offset_factor_;
+  GLfloat polygon_offset_units_;
+  GLfloat sample_coverage_value_;
+  GLboolean sample_coverage_invert_;
+
+  GLboolean enable_dither_;
+  GLboolean enable_polygon_offset_fill_;
+  GLboolean enable_sample_alpha_to_coverage_;
+  GLboolean enable_sample_coverage_;
+
+  // Not saved/restored in MODE_DRAW.
   GLboolean blend_enabled_;
   GLint blend_src_rgb_;
   GLint blend_src_alpha_;
   GLint blend_dest_rgb_;
   GLint blend_dest_alpha_;
   GLint active_texture_;
   GLint viewport_[4];
   GLboolean scissor_test_;
   GLint scissor_box_[4];
-  GLint current_program_;
 
   DISALLOW_COPY_AND_ASSIGN(ScopedAppGLStateRestore);
 };
 
 }  // namespace android_webview