Explicitly disable all attribs before drawing in CopyTextureCHROMIUM

gpu/command_buffer/service/gles2_cmd_decoder.cc

 // 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.
 
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 
 #include <stdio.h>
 
 #include <algorithm>
 #include <list>
@@ skipping 548 matching lines @@
   }
   virtual void RestoreProgramBindings() const OVERRIDE {
     state_.RestoreProgramBindings();
   }
   virtual void RestoreTextureUnitBindings(unsigned unit) const OVERRIDE {
     state_.RestoreTextureUnitBindings(unit, NULL);
   }
   virtual void RestoreFramebufferBindings() const OVERRIDE;
   virtual void RestoreTextureState(unsigned service_id) const OVERRIDE;
 
+  virtual void ClearAllAttributes() const OVERRIDE;
+  virtual void RestoreAllAttributes() const OVERRIDE;
+
   virtual QueryManager* GetQueryManager() OVERRIDE {
     return query_manager_.get();
   }
   virtual VertexArrayManager* GetVertexArrayManager() OVERRIDE {
     return vertex_array_manager_.get();
   }
   virtual bool ProcessPendingQueries() OVERRIDE;
   virtual bool HasMoreIdleWork() OVERRIDE;
   virtual void PerformIdleWork() OVERRIDE;
 
@@ skipping 3198 matching lines @@
     glTexParameteri(
         target, GL_TEXTURE_WRAP_T, texture->wrap_t());
     glTexParameteri(
         target, GL_TEXTURE_MIN_FILTER, texture->min_filter());
     glTexParameteri(
         target, GL_TEXTURE_MAG_FILTER, texture->mag_filter());
     RestoreTextureUnitBindings(state_.active_texture_unit);
   }
 }
 
+void GLES2DecoderImpl::ClearAllAttributes() const {
+  for (uint32 i = 0; i < group_->max_vertex_attribs(); ++i) {
+    if (i != 0) // Never disable attribute 0
+      glDisableVertexAttribArray(i);
+    if(features().angle_instanced_arrays)
+      glVertexAttribDivisorANGLE(i, 0);
+  }
+}
+
+void GLES2DecoderImpl::RestoreAllAttributes() const {
+  for (uint32 i = 0; i < group_->max_vertex_attribs(); ++i)
+    RestoreAttribute(i);
+}
+
 void GLES2DecoderImpl::OnFboChanged() const {
   if (workarounds().restore_scissor_on_fbo_change)
     state_.fbo_binding_for_scissor_workaround_dirty_ = true;
 }
 
 // Called after the FBO is checked for completeness.
 void GLES2DecoderImpl::OnUseFramebuffer() const {
   if (state_.fbo_binding_for_scissor_workaround_dirty_) {
     state_.fbo_binding_for_scissor_workaround_dirty_ = false;
     // The driver forgets the correct scissor when modifying the FBO binding.
@@ skipping 6729 matching lines @@
   DoDidUseTexImageIfNeeded(texture, texture->target());
 }
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "gpu/command_buffer/service/gles2_cmd_decoder_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu