xref: /external/chromium_org/third_party/WebKit/Source/core/html/canvas/WebGLCompressedTextureATC.cpp

/*
 * Copyright (C) 2013 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"

#include "core/html/canvas/WebGLCompressedTextureATC.h"

namespace blink {

WebGLCompressedTextureATC::WebGLCompressedTextureATC(WebGLRenderingContextBase* context)
    : WebGLExtension(context)
{
    context->addCompressedTextureFormat(GC3D_COMPRESSED_ATC_RGB_AMD);
    context->addCompressedTextureFormat(GC3D_COMPRESSED_ATC_RGBA_EXPLICIT_ALPHA_AMD);
    context->addCompressedTextureFormat(GC3D_COMPRESSED_ATC_RGBA_INTERPOLATED_ALPHA_AMD);
}

WebGLCompressedTextureATC::~WebGLCompressedTextureATC()
{
}

WebGLExtensionName WebGLCompressedTextureATC::name() const
{
    return WebGLCompressedTextureATCName;
}

PassRefPtrWillBeRawPtr<WebGLCompressedTextureATC> WebGLCompressedTextureATC::create(WebGLRenderingContextBase* context)
{
    return adoptRefWillBeNoop(new WebGLCompressedTextureATC(context));
}

bool WebGLCompressedTextureATC::supported(WebGLRenderingContextBase* context)
{
    return context->extensionsUtil()->supportsExtension("GL_AMD_compressed_ATC_texture");
}

const char* WebGLCompressedTextureATC::extensionName()
{
    return "WEBGL_compressed_texture_atc";
}

} // namespace blink