[WIP] Remove unnecessary clear_state_dirty

gpu/command_buffer/service/context_state.h

 // Copyright (c) 2012 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.
 
 // This file contains the ContextState class.
 
 #ifndef GPU_COMMAND_BUFFER_SERVICE_CONTEXT_STATE_H_
 #define GPU_COMMAND_BUFFER_SERVICE_CONTEXT_STATE_H_
 
 #include <memory>
@@ skipping 208 matching lines @@
                                  GLboolean alpha) {
     if (cached_color_mask_red == red && cached_color_mask_green == green &&
         cached_color_mask_blue == blue && cached_color_mask_alpha == alpha &&
         !ignore_cached_state)
       return;
     cached_color_mask_red = red;
     cached_color_mask_green = green;
     cached_color_mask_blue = blue;
     cached_color_mask_alpha = alpha;
     glColorMask(red, green, blue, alpha);
+    // print(" ****** set color mask **** \n");
   }
 
   inline void SetDeviceDepthMask(GLboolean mask) {
     if (cached_depth_mask == mask && !ignore_cached_state)
       return;
     cached_depth_mask = mask;
     glDepthMask(mask);
+    // print(" @@@@@@ set depth mask **** \n");
   }
 
   inline void SetDeviceStencilMaskSeparate(GLenum op, GLuint mask) {
     if (op == GL_FRONT) {
       if (cached_stencil_front_writemask == mask && !ignore_cached_state)
         return;
       cached_stencil_front_writemask = mask;
     } else if (op == GL_BACK) {
       if (cached_stencil_back_writemask == mask && !ignore_cached_state)
         return;
       cached_stencil_back_writemask = mask;
     } else {
       NOTREACHED();
       return;
     }
     glStencilMaskSeparate(op, mask);
+    // print(" ##### set stencil mask **** \n");
   }
 
   ErrorState* GetErrorState();
 
   void SetBoundBuffer(GLenum target, Buffer* buffer);
   void RemoveBoundBuffer(Buffer* buffer);
 
   void InitGenericAttribs(GLuint max_vertex_attribs) {
     attrib_values.resize(max_vertex_attribs);
 
@@ skipping 107 matching lines @@
   GLfloat line_width_max_ = 1.0f;
 
   FeatureInfo* feature_info_;
   std::unique_ptr<ErrorState> error_state_;
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_CONTEXT_STATE_H_