android/source/src/java/org/mozilla/gecko/gfx/CairoGLInfo.java

   1 /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
   2  * This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 package org.mozilla.gecko.gfx;
   7
   8 import javax.microedition.khronos.opengles.GL10;
   9
  10 /** Information needed to render Cairo bitmaps using OpenGL ES. */
  11 public class CairoGLInfo {
  12     public final int internalFormat;
  13     public final int format;
  14     public final int type;
  15
  16     public CairoGLInfo(int cairoFormat) {
  17         switch (cairoFormat) {
  18             case CairoImage.FORMAT_ARGB32:
  19                 internalFormat = format = GL10.GL_RGBA; type = GL10.GL_UNSIGNED_BYTE;
  20                 break;
  21             case CairoImage.FORMAT_RGB24:
  22                 internalFormat = format = GL10.GL_RGB; type = GL10.GL_UNSIGNED_BYTE;
  23                 break;
  24             case CairoImage.FORMAT_RGB16_565:
  25                 internalFormat = format = GL10.GL_RGB; type = GL10.GL_UNSIGNED_SHORT_5_6_5;
  26                 break;
  27             case CairoImage.FORMAT_A8:
  28             case CairoImage.FORMAT_A1:
  29                 throw new RuntimeException("Cairo FORMAT_A1 and FORMAT_A8 unsupported");
  30             default:
  31                 throw new RuntimeException("Unknown Cairo format");
  32         }
  33     }
  34 }
  35