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| 1 /* | 1 /* |
| 2 * Copyright (C) 2009 Apple Inc. All rights reserved. | 2 * Copyright (C) 2009 Apple Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
| 6 * are met: | 6 * are met: |
| 7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
| 8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
| 10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
| (...skipping 16 matching lines...) Expand all Loading... |
| 27 #define WebGLObject_h | 27 #define WebGLObject_h |
| 28 | 28 |
| 29 #include "core/platform/graphics/GraphicsContext3D.h" | 29 #include "core/platform/graphics/GraphicsContext3D.h" |
| 30 | 30 |
| 31 #include "wtf/RefCounted.h" | 31 #include "wtf/RefCounted.h" |
| 32 | 32 |
| 33 namespace WebCore { | 33 namespace WebCore { |
| 34 | 34 |
| 35 class GraphicsContext3D; | 35 class GraphicsContext3D; |
| 36 class WebGLContextGroup; | 36 class WebGLContextGroup; |
| 37 class WebGLRenderingContext; | 37 class WebGLRenderingContextBase; |
| 38 | 38 |
| 39 class WebGLObject : public RefCounted<WebGLObject> { | 39 class WebGLObject : public RefCounted<WebGLObject> { |
| 40 public: | 40 public: |
| 41 virtual ~WebGLObject(); | 41 virtual ~WebGLObject(); |
| 42 | 42 |
| 43 Platform3DObject object() const { return m_object; } | 43 Platform3DObject object() const { return m_object; } |
| 44 | 44 |
| 45 // deleteObject may not always delete the OpenGL resource. For programs and | 45 // deleteObject may not always delete the OpenGL resource. For programs and |
| 46 // shaders, deletion is delayed until they are no longer attached. | 46 // shaders, deletion is delayed until they are no longer attached. |
| 47 // FIXME: revisit this when resource sharing between contexts are implemente
d. | 47 // FIXME: revisit this when resource sharing between contexts are implemente
d. |
| 48 void deleteObject(GraphicsContext3D*); | 48 void deleteObject(GraphicsContext3D*); |
| 49 | 49 |
| 50 void onAttached() { ++m_attachmentCount; } | 50 void onAttached() { ++m_attachmentCount; } |
| 51 void onDetached(GraphicsContext3D*); | 51 void onDetached(GraphicsContext3D*); |
| 52 | 52 |
| 53 // This indicates whether the client side issue a delete call already, not | 53 // This indicates whether the client side issue a delete call already, not |
| 54 // whether the OpenGL resource is deleted. | 54 // whether the OpenGL resource is deleted. |
| 55 // object()==0 indicates the OpenGL resource is deleted. | 55 // object()==0 indicates the OpenGL resource is deleted. |
| 56 bool isDeleted() { return m_deleted; } | 56 bool isDeleted() { return m_deleted; } |
| 57 | 57 |
| 58 // True if this object belongs to the group or context. | 58 // True if this object belongs to the group or context. |
| 59 virtual bool validate(const WebGLContextGroup*, const WebGLRenderingContext*
) const = 0; | 59 virtual bool validate(const WebGLContextGroup*, const WebGLRenderingContextB
ase*) const = 0; |
| 60 | 60 |
| 61 protected: | 61 protected: |
| 62 WebGLObject(WebGLRenderingContext*); | 62 WebGLObject(WebGLRenderingContextBase*); |
| 63 | 63 |
| 64 // setObject should be only called once right after creating a WebGLObject. | 64 // setObject should be only called once right after creating a WebGLObject. |
| 65 void setObject(Platform3DObject); | 65 void setObject(Platform3DObject); |
| 66 | 66 |
| 67 // deleteObjectImpl should be only called once to delete the OpenGL resource
. | 67 // deleteObjectImpl should be only called once to delete the OpenGL resource
. |
| 68 virtual void deleteObjectImpl(GraphicsContext3D*, Platform3DObject) = 0; | 68 virtual void deleteObjectImpl(GraphicsContext3D*, Platform3DObject) = 0; |
| 69 | 69 |
| 70 virtual bool hasGroupOrContext() const = 0; | 70 virtual bool hasGroupOrContext() const = 0; |
| 71 | 71 |
| 72 virtual void detach(); | 72 virtual void detach(); |
| 73 | 73 |
| 74 virtual GraphicsContext3D* getAGraphicsContext3D() const = 0; | 74 virtual GraphicsContext3D* getAGraphicsContext3D() const = 0; |
| 75 | 75 |
| 76 private: | 76 private: |
| 77 Platform3DObject m_object; | 77 Platform3DObject m_object; |
| 78 unsigned m_attachmentCount; | 78 unsigned m_attachmentCount; |
| 79 bool m_deleted; | 79 bool m_deleted; |
| 80 }; | 80 }; |
| 81 | 81 |
| 82 } // namespace WebCore | 82 } // namespace WebCore |
| 83 | 83 |
| 84 #endif // WebGLObject_h | 84 #endif // WebGLObject_h |
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