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