ui/gl/gl_share_group.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/gl/gl_share_group.h"
   6
   7 #include "base/logging.h"
   8 #include "ui/gl/gl_context.h"
   9
  10 namespace gfx {
  11
  12 GLShareGroup::GLShareGroup()
  13     : shared_context_(NULL)
  14 #if defined(OS_MACOSX)
  15     , renderer_id_(-1)
  16 #endif
  17     {
  18 }
  19
  20 void GLShareGroup::AddContext(GLContext* context) {
  21   contexts_.insert(context);
  22 }
  23
  24 void GLShareGroup::RemoveContext(GLContext* context) {
  25   contexts_.erase(context);
  26   if (shared_context_ == context)
  27     shared_context_ = NULL;
  28 }
  29
  30 void* GLShareGroup::GetHandle() {
  31   GLContext* context = GetContext();
  32   if (context)
  33     return context->GetHandle();
  34
  35   return NULL;
  36 }
  37
  38 GLContext* GLShareGroup::GetContext() {
  39   for (ContextSet::iterator it = contexts_.begin();
  40        it != contexts_.end();
  41        ++it) {
  42     if ((*it)->GetHandle())
  43       return *it;
  44   }
  45
  46   return NULL;
  47 }
  48
  49 void GLShareGroup::SetSharedContext(GLContext* context) {
  50   DCHECK(contexts_.find(context) != contexts_.end());
  51   shared_context_ = context;
  52 }
  53
  54 GLContext* GLShareGroup::GetSharedContext() {
  55   return shared_context_;
  56 }
  57
  58 #if defined(OS_MACOSX)
  59 void GLShareGroup::SetRendererID(int renderer_id) {
  60   renderer_id_ = renderer_id;
  61 }
  62
  63 int GLShareGroup::GetRendererID() {
  64   return renderer_id_;
  65 }
  66 #endif
  67
  68 GLShareGroup::~GLShareGroup() {
  69 }
  70
  71 }  // namespace gfx