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| 1 /* | |
| 2 * Copyright (C) 2011 Apple Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #ifndef SKY_ENGINE_CORE_HTML_CANVAS_WEBGLSHAREDOBJECT_H_ | |
| 27 #define SKY_ENGINE_CORE_HTML_CANVAS_WEBGLSHAREDOBJECT_H_ | |
| 28 | |
| 29 #include "sky/engine/core/html/canvas/WebGLObject.h" | |
| 30 | |
| 31 namespace blink { | |
| 32 | |
| 33 class WebGLContextGroup; | |
| 34 class WebGLRenderingContextBase; | |
| 35 | |
| 36 // WebGLSharedObject the base class for objects that can be shared by multiple | |
| 37 // WebGLRenderingContexts. | |
| 38 class WebGLSharedObject : public WebGLObject { | |
| 39 public: | |
| 40 virtual ~WebGLSharedObject(); | |
| 41 | |
| 42 WebGLContextGroup* contextGroup() const { return m_contextGroup; } | |
| 43 | |
| 44 virtual bool isBuffer() const { return false; } | |
| 45 virtual bool isProgram() const { return false; } | |
| 46 virtual bool isRenderbuffer() const { return false; } | |
| 47 virtual bool isShader() const { return false; } | |
| 48 virtual bool isTexture() const { return false; } | |
| 49 | |
| 50 virtual bool validate(const WebGLContextGroup* contextGroup, const WebGLRend
eringContextBase*) const override final | |
| 51 { | |
| 52 return contextGroup == m_contextGroup; | |
| 53 } | |
| 54 | |
| 55 void detachContextGroup(); | |
| 56 | |
| 57 protected: | |
| 58 explicit WebGLSharedObject(WebGLRenderingContextBase*); | |
| 59 | |
| 60 virtual bool hasGroupOrContext() const override final | |
| 61 { | |
| 62 return m_contextGroup; | |
| 63 } | |
| 64 | |
| 65 virtual blink::WebGraphicsContext3D* getAWebGraphicsContext3D() const overri
de final; | |
| 66 | |
| 67 private: | |
| 68 WebGLContextGroup* m_contextGroup; | |
| 69 }; | |
| 70 | |
| 71 } // namespace blink | |
| 72 | |
| 73 #endif // SKY_ENGINE_CORE_HTML_CANVAS_WEBGLSHAREDOBJECT_H_ | |
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