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