Free the resources used by a context group.

gpu/command_buffer/service/framebuffer_manager.cc

 // Copyright (c) 2010 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/framebuffer_manager.h"
 #include "base/logging.h"
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
 
 namespace gpu {
 namespace gles2 {
 
+FramebufferManager::~FramebufferManager() {
+  DCHECK(framebuffer_infos_.empty());
+}
+
+void FramebufferManager::Destroy(bool have_context) {
+  while (!framebuffer_infos_.empty()) {
+    if (have_context) {
+      FramebufferInfo* info = framebuffer_infos_.begin()->second;
+      if (!info->IsDeleted()) {
+        GLuint service_id = info->service_id();
+        glDeleteFramebuffersEXT(1, &service_id);
+        info->MarkAsDeleted();
+      }
+    }
+    framebuffer_infos_.erase(framebuffer_infos_.begin());
+  }
+}
+
 void FramebufferManager::CreateFramebufferInfo(
     GLuint client_id, GLuint service_id) {
   std::pair<FramebufferInfoMap::iterator, bool> result =
       framebuffer_infos_.insert(
           std::make_pair(
               client_id,
               FramebufferInfo::Ref(new FramebufferInfo(service_id))));
   DCHECK(result.second);
 }
 
@@ skipping 34 matching lines @@
       return true;
     }
   }
   return false;
 }
 
 }  // namespace gles2
 }  // namespace gpu