Source/WebCore/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;
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 */

#include "config.h"

#if ENABLE(WEBGL)

#include "WebGLCompressedTextureATC.h"

#include "ExtensionsGL.h"
#include <wtf/IsoMallocInlines.h>

namespace WebCore {

WTF_MAKE_ISO_ALLOCATED_IMPL(WebGLCompressedTextureATC);

WebGLCompressedTextureATC::WebGLCompressedTextureATC(WebGLRenderingContextBase& context)
    : WebGLExtension(context)
{
    context.graphicsContextGL()->getExtensions().ensureEnabled("GL_AMD_compressed_ATC_texture");

    context.addCompressedTextureFormat(ExtensionsGL::COMPRESSED_ATC_RGB_AMD);
    context.addCompressedTextureFormat(ExtensionsGL::COMPRESSED_ATC_RGBA_EXPLICIT_ALPHA_AMD);
    context.addCompressedTextureFormat(ExtensionsGL::COMPRESSED_ATC_RGBA_INTERPOLATED_ALPHA_AMD);
}

WebGLCompressedTextureATC::~WebGLCompressedTextureATC() = default;

WebGLExtension::ExtensionName WebGLCompressedTextureATC::getName() const
{
    return WebGLCompressedTextureATCName;
}

bool WebGLCompressedTextureATC::supported(WebGLRenderingContextBase& context)
{
    return context.graphicsContextGL()->getExtensions().supports("GL_AMD_compressed_ATC_texture");
}

} // namespace WebCore

#endif // ENABLE(WEBGL)