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      1 /*
      2  * Copyright (C) 2011 Google 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 #include "config.h"
     27 
     28 #if ENABLE(WEBGL)
     29 
     30 #include "WebGLVertexArrayObjectOES.h"
     31 
     32 #include "Extensions3D.h"
     33 #include "WebGLRenderingContext.h"
     34 
     35 namespace WebCore {
     36 
     37 PassRefPtr<WebGLVertexArrayObjectOES> WebGLVertexArrayObjectOES::create(WebGLRenderingContext* ctx, VaoType type)
     38 {
     39     return adoptRef(new WebGLVertexArrayObjectOES(ctx, type));
     40 }
     41 
     42 WebGLVertexArrayObjectOES::WebGLVertexArrayObjectOES(WebGLRenderingContext* ctx, VaoType type)
     43     : WebGLObject(ctx)
     44     , m_type(type)
     45     , m_hasEverBeenBound(false)
     46     , m_boundElementArrayBuffer(0)
     47 {
     48     m_vertexAttribState.resize(ctx->getMaxVertexAttribs());
     49 
     50     Extensions3D* extensions = context()->graphicsContext3D()->getExtensions();
     51     switch (m_type) {
     52     case VaoTypeDefault:
     53         break;
     54     default:
     55         setObject(extensions->createVertexArrayOES());
     56         break;
     57     }
     58 }
     59 
     60 void WebGLVertexArrayObjectOES::deleteObjectImpl(Platform3DObject object)
     61 {
     62     Extensions3D* extensions = context()->graphicsContext3D()->getExtensions();
     63     switch (m_type) {
     64     case VaoTypeDefault:
     65         break;
     66     default:
     67         extensions->deleteVertexArrayOES(object);
     68         break;
     69     }
     70 }
     71 
     72 }
     73 
     74 #endif // ENABLE(WEBGL)
     75