/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
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 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
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 * Software distributed under the License is distributed on an "AS IS" basis,
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 * for the specific language governing rights and limitations under the
 * License.
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 * The Original Code is Mozilla Android code.
 *
 * The Initial Developer of the Original Code is Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2009-2010
 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
 *   Patrick Walton <pcwalton@mozilla.com>
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 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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package org.mozilla.gecko.gfx;

import javax.microedition.khronos.opengles.GL10;

/** Information needed to render Cairo bitmaps using OpenGL ES. */
public class CairoGLInfo {
    public final int internalFormat;
    public final int format;
    public final int type;

    public CairoGLInfo(int cairoFormat) {
        switch (cairoFormat) {
        case CairoImage.FORMAT_ARGB32:
            internalFormat = format = GL10.GL_RGBA; type = GL10.GL_UNSIGNED_BYTE;
            break;
        case CairoImage.FORMAT_RGB24:
            internalFormat = format = GL10.GL_RGB; type = GL10.GL_UNSIGNED_BYTE;
            break;
        case CairoImage.FORMAT_RGB16_565:
            internalFormat = format = GL10.GL_RGB; type = GL10.GL_UNSIGNED_SHORT_5_6_5;
            break;
        case CairoImage.FORMAT_A8:
        case CairoImage.FORMAT_A1:
            throw new RuntimeException("Cairo FORMAT_A1 and FORMAT_A8 unsupported");
        default:
            throw new RuntimeException("Unknown Cairo format");
        }
    }
}