/*
 * 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 "sky/engine/config.h"
#include "sky/engine/core/html/canvas/WebGLDebugShaders.h"

#include "sky/engine/bindings/exception_state.h"
#include "sky/engine/core/html/canvas/WebGLRenderingContextBase.h"
#include "sky/engine/core/html/canvas/WebGLShader.h"

namespace blink {

WebGLDebugShaders::WebGLDebugShaders(WebGLRenderingContextBase* context)
    : WebGLExtension(context)
{
}

WebGLDebugShaders::~WebGLDebugShaders()
{
}

WebGLExtensionName WebGLDebugShaders::name() const
{
    return WebGLDebugShadersName;
}

PassRefPtr<WebGLDebugShaders> WebGLDebugShaders::create(WebGLRenderingContextBase* context)
{
    return adoptRef(new WebGLDebugShaders(context));
}

String WebGLDebugShaders::getTranslatedShaderSource(WebGLShader* shader)
{
    if (isLost())
        return String();
    if (!m_context->validateWebGLObject("getTranslatedShaderSource", shader))
        return "";
    return m_context->ensureNotNull(m_context->webContext()->getTranslatedShaderSourceANGLE(shader->object()));
}

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

const char* WebGLDebugShaders::extensionName()
{
    return "WEBGL_debug_shaders";
}

} // namespace blink