Source/core/html/canvas/WebGLCompressedTextureATC.cpp

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
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 *
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 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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#include "config.h"

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

#include "platform/graphics/Extensions3D.h"

namespace WebCore {

WebGLCompressedTextureATC::WebGLCompressedTextureATC(WebGLRenderingContext* context)
    : WebGLExtension(context)
{
    ScriptWrappable::init(this);
    context->addCompressedTextureFormat(Extensions3D::COMPRESSED_ATC_RGB_AMD);
    context->addCompressedTextureFormat(Extensions3D::COMPRESSED_ATC_RGBA_EXPLICIT_ALPHA_AMD);
    context->addCompressedTextureFormat(Extensions3D::COMPRESSED_ATC_RGBA_INTERPOLATED_ALPHA_AMD);
}

WebGLCompressedTextureATC::~WebGLCompressedTextureATC()
{
}

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

PassRefPtr<WebGLCompressedTextureATC> WebGLCompressedTextureATC::create(WebGLRenderingContext* context)
{
    return adoptRef(new WebGLCompressedTextureATC(context));
}

bool WebGLCompressedTextureATC::supported(WebGLRenderingContext* context)
{
    Extensions3D* extensions = context->graphicsContext3D()->extensions();
    return extensions->supports("GL_AMD_compressed_ATC_texture");
}

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

} // namespace WebCore