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 30 namespace WebCore { 31 32 OESTextureFloat::OESTextureFloat(WebGLRenderingContextBase* context) 33 : WebGLExtension(context) 34 { 35 ScriptWrappable::init(this); 36 if (context->extensionsUtil()->ensureExtensionEnabled("GL_OES_texture_float")) { 37 // Implicitly enable rendering to float textures 38 context->extensionsUtil()->ensureExtensionEnabled("GL_CHROMIUM_color_buffer_float_rgba"); 39 context->extensionsUtil()->ensureExtensionEnabled("GL_CHROMIUM_color_buffer_float_rgb"); 40 } 41 } 42 43 OESTextureFloat::~OESTextureFloat() 44 { 45 } 46 47 WebGLExtensionName OESTextureFloat::name() const 48 { 49 return OESTextureFloatName; 50 } 51 52 PassRefPtr<OESTextureFloat> OESTextureFloat::create(WebGLRenderingContextBase* context) 53 { 54 return adoptRef(new OESTextureFloat(context)); 55 } 56 57 bool OESTextureFloat::supported(WebGLRenderingContextBase* context) 58 { 59 return context->extensionsUtil()->supportsExtension("GL_OES_texture_float"); 60 } 61 62 const char* OESTextureFloat::extensionName() 63 { 64 return "OES_texture_float"; 65 } 66 67 } // namespace WebCore 68
