The Tor Browser / file comparison
comparison: gfx/angle/src/common/RefCountObject.h
gfx/angle/src/common/RefCountObject.h
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:b92c4d76174e |
|---|---|
| 1 // | |
| 2 // Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved. | |
| 3 // Use of this source code is governed by a BSD-style license that can be | |
| 4 // found in the LICENSE file. | |
| 5 // | |
| 6 | |
| 7 // RefCountObject.h: Defines the gl::RefCountObject base class that provides | |
| 8 // lifecycle support for GL objects using the traditional BindObject scheme, but | |
| 9 // that need to be reference counted for correct cross-context deletion. | |
| 10 // (Concretely, textures, buffers and renderbuffers.) | |
| 11 | |
| 12 #ifndef COMMON_REFCOUNTOBJECT_H_ | |
| 13 #define COMMON_REFCOUNTOBJECT_H_ | |
| 14 | |
| 15 #include <cstddef> | |
| 16 | |
| 17 #define GL_APICALL | |
| 18 #include <GLES2/gl2.h> | |
| 19 | |
| 20 #include "common/debug.h" | |
| 21 | |
| 22 class RefCountObject | |
| 23 { | |
| 24 public: | |
| 25 explicit RefCountObject(GLuint id); | |
| 26 virtual ~RefCountObject(); | |
| 27 | |
| 28 virtual void addRef() const; | |
| 29 virtual void release() const; | |
| 30 | |
| 31 GLuint id() const { return mId; } | |
| 32 | |
| 33 private: | |
| 34 GLuint mId; | |
| 35 | |
| 36 mutable std::size_t mRefCount; | |
| 37 }; | |
| 38 | |
| 39 class RefCountObjectBindingPointer | |
| 40 { | |
| 41 protected: | |
| 42 RefCountObjectBindingPointer() : mObject(NULL) { } | |
| 43 ~RefCountObjectBindingPointer() { ASSERT(mObject == NULL); } // Objects have to be released before the resource manager is destroyed, so they must be explicitly cleaned up. | |
| 44 | |
| 45 void set(RefCountObject *newObject); | |
| 46 RefCountObject *get() const { return mObject; } | |
| 47 | |
| 48 public: | |
| 49 GLuint id() const { return (mObject != NULL) ? mObject->id() : 0; } | |
| 50 bool operator ! () const { return (get() == NULL); } | |
| 51 | |
| 52 private: | |
| 53 RefCountObject *mObject; | |
| 54 }; | |
| 55 | |
| 56 template <class ObjectType> | |
| 57 class BindingPointer : public RefCountObjectBindingPointer | |
| 58 { | |
| 59 public: | |
| 60 void set(ObjectType *newObject) { RefCountObjectBindingPointer::set(newObject); } | |
| 61 ObjectType *get() const { return static_cast<ObjectType*>(RefCountObjectBindingPointer::get()); } | |
| 62 ObjectType *operator -> () const { return get(); } | |
| 63 }; | |
| 64 | |
| 65 #endif // COMMON_REFCOUNTOBJECT_H_ |
