Free the resources used by a context group.

gpu/command_buffer/service/program_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/program_manager.h"
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/scoped_ptr.h"
 #include "base/string_util.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
@@ skipping 289 matching lines @@
 
 bool ProgramManager::ProgramInfo::CanLink() const {
   for (int ii = 0; ii < kMaxAttachedShaders; ++ii) {
     if (!attached_shaders_[ii] || !attached_shaders_[ii]->IsValid()) {
       return false;
     }
   }
   return true;
 }
 
+ProgramManager::~ProgramManager() {
+  DCHECK(program_infos_.empty());
+}
+
+void ProgramManager::Destroy(bool have_context) {
+  while (!program_infos_.empty()) {
+    if (have_context) {
+      ProgramInfo* info = program_infos_.begin()->second;
+      if (!info->IsDeleted()) {
+        glDeleteProgram(info->service_id());
+        info->MarkAsDeleted();
+      }
+    }
+    program_infos_.erase(program_infos_.begin());
+  }
+}
+
 void ProgramManager::CreateProgramInfo(GLuint client_id, GLuint service_id) {
   std::pair<ProgramInfoMap::iterator, bool> result =
       program_infos_.insert(
           std::make_pair(client_id,
                          ProgramInfo::Ref(new ProgramInfo(service_id))));
   DCHECK(result.second);
 }
 
 ProgramManager::ProgramInfo* ProgramManager::GetProgramInfo(GLuint client_id) {
   ProgramInfoMap::iterator it = program_infos_.find(client_id);
@@ skipping 17 matching lines @@
       return true;
     }
   }
   return false;
 }
 
 }  // namespace gles2
 }  // namespace gpu