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      1 /*
      2  * Copyright (C) 2010 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  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     17  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     18  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     19  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     20  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     21  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 
     28 #include "core/html/canvas/OESTextureFloat.h"
     29 #include "core/platform/graphics/Extensions3D.h"
     30 
     31 namespace WebCore {
     32 
     33 OESTextureFloat::OESTextureFloat(WebGLRenderingContext* context)
     34     : WebGLExtension(context)
     35 {
     36     ScriptWrappable::init(this);
     37     context->graphicsContext3D()->getExtensions()->ensureEnabled("GL_OES_texture_float");
     38 }
     39 
     40 OESTextureFloat::~OESTextureFloat()
     41 {
     42 }
     43 
     44 WebGLExtension::ExtensionName OESTextureFloat::getName() const
     45 {
     46     return OESTextureFloatName;
     47 }
     48 
     49 PassRefPtr<OESTextureFloat> OESTextureFloat::create(WebGLRenderingContext* context)
     50 {
     51     return adoptRef(new OESTextureFloat(context));
     52 }
     53 
     54 bool OESTextureFloat::supported(WebGLRenderingContext* context)
     55 {
     56     Extensions3D* extensions = context->graphicsContext3D()->getExtensions();
     57     return extensions->supports("GL_OES_texture_float");
     58 }
     59 
     60 const char* OESTextureFloat::getExtensionName()
     61 {
     62     return "OES_texture_float";
     63 }
     64 
     65 } // namespace WebCore
     66