/* * Copyright (C) 2011 Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #if ENABLE(WEBGL) #include "WebGLCompressedTextureS3TC.h" #include "Extensions3D.h" #include "WebGLRenderingContextBase.h" namespace WebCore { WebGLCompressedTextureS3TC::WebGLCompressedTextureS3TC(WebGLRenderingContextBase* context) : WebGLExtension(context) { context->addCompressedTextureFormat(Extensions3D::COMPRESSED_RGB_S3TC_DXT1_EXT); context->addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_S3TC_DXT1_EXT); context->addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_S3TC_DXT3_EXT); context->addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA_S3TC_DXT5_EXT); } WebGLCompressedTextureS3TC::~WebGLCompressedTextureS3TC() { } WebGLExtension::ExtensionName WebGLCompressedTextureS3TC::getName() const { return WebGLCompressedTextureS3TCName; } bool WebGLCompressedTextureS3TC::supported(WebGLRenderingContextBase* context) { Extensions3D* extensions = context->graphicsContext3D()->getExtensions(); return extensions->supports("GL_EXT_texture_compression_s3tc") || (extensions->supports("GL_EXT_texture_compression_dxt1") && extensions->supports("GL_CHROMIUM_texture_compression_dxt3") && extensions->supports("GL_CHROMIUM_texture_compression_dxt5")); } } // namespace WebCore #endif // ENABLE(WEBGL)