gecko/mobile/android/base/gfx/CairoGLInfo.java

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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
2012-05-21 04:12:37 -07:00
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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");
}
}
}