15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef UI_GL_GL_SHARE_GROUP_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define UI_GL_GL_SHARE_GROUP_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <set> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/memory/ref_counted.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gl/gl_export.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace gfx { 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class GLContext; 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// A group of GL contexts that share an ID namespace. 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class GL_EXPORT GLShareGroup : public base::RefCounted<GLShareGroup> { 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GLShareGroup(); 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // These two should only be called from the constructor and destructor of 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // GLContext. 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void AddContext(GLContext* context); 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void RemoveContext(GLContext* context); 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns a handle to any initialized context in the share group or NULL if 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // there are no initialized contexts in the share group. 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void* GetHandle(); 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns a pointer to any initialized context in the share group 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // or NULL if there are no initialized contexts in the share group. 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GLContext* GetContext(); 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Sets and returns the unique shared GL context. Used for context 372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // virtualization. 382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SetSharedContext(GLContext* context); 392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) GLContext* GetSharedContext(); 402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#if defined(OS_MACOSX) 422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Sets and returns the ID of the renderer that all contexts in this share 432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // group should be on. 442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) void SetRendererID(int renderer_id); 452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int GetRendererID(); 462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#endif 472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) friend class base::RefCounted<GLShareGroup>; 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ~GLShareGroup(); 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // References to GLContext are by raw pointer to avoid a reference count 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // cycle. 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) typedef std::set<GLContext*> ContextSet; 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ContextSet contexts_; 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) GLContext* shared_context_; 592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#if defined(OS_MACOSX) 612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int renderer_id_; 622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#endif 632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(GLShareGroup); 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace gfx 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // UI_GL_GL_SHARE_GROUP_H_ 70