| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.ide.eclipse.gltrace; |
| |
| |
| import java.nio.ByteBuffer; |
| import java.nio.ByteOrder; |
| import java.nio.FloatBuffer; |
| import java.nio.IntBuffer; |
| import java.nio.ShortBuffer; |
| |
| public class GLUtils { |
| public static String formatData(byte[] data, GLEnum format) { |
| switch (format) { |
| case GL_BYTE: |
| return formatBytes(data, false); |
| case GL_UNSIGNED_BYTE: |
| return formatBytes(data, true); |
| case GL_SHORT: |
| return formatShorts(data, false); |
| case GL_UNSIGNED_SHORT: |
| return formatShorts(data, true); |
| case GL_FIXED: |
| return formatInts(data); |
| case GL_FLOAT: |
| return formatFloats(data); |
| default: |
| return ""; //$NON-NLS-1$ |
| } |
| } |
| |
| private static String formatFloats(byte[] data) { |
| FloatBuffer bb = ByteBuffer.wrap(data).order(ByteOrder.LITTLE_ENDIAN).asFloatBuffer(); |
| |
| StringBuilder sb = new StringBuilder(bb.capacity() * 3); |
| |
| while (bb.remaining() > 0) { |
| sb.append(String.format("%.4f", bb.get())); |
| sb.append(','); |
| sb.append('\n'); |
| } |
| |
| return sb.toString(); |
| } |
| |
| private static String formatInts(byte[] data) { |
| IntBuffer bb = ByteBuffer.wrap(data).order(ByteOrder.LITTLE_ENDIAN).asIntBuffer(); |
| |
| StringBuilder sb = new StringBuilder(bb.capacity() * 3); |
| |
| while (bb.remaining() > 0) { |
| sb.append(bb.get()); |
| sb.append(','); |
| sb.append('\n'); |
| } |
| |
| return sb.toString(); |
| } |
| |
| private static String formatShorts(byte[] data, boolean unsigned) { |
| ShortBuffer bb = ByteBuffer.wrap(data).order(ByteOrder.LITTLE_ENDIAN).asShortBuffer(); |
| |
| StringBuilder sb = new StringBuilder(bb.capacity() * 3); |
| |
| while (bb.remaining() > 0) { |
| if (unsigned) { |
| sb.append(bb.get() & 0xffff); |
| } else { |
| sb.append(bb.get()); |
| } |
| sb.append(','); |
| sb.append('\n'); |
| } |
| |
| return sb.toString(); |
| } |
| |
| private static String formatBytes(byte[] data, boolean unsigned) { |
| ByteBuffer bb = ByteBuffer.wrap(data); |
| |
| StringBuilder sb = new StringBuilder(bb.capacity() * 3); |
| |
| while (bb.remaining() > 0) { |
| if (unsigned) { |
| sb.append(bb.get() & 0xff); |
| } else { |
| sb.append(bb.get()); |
| } |
| |
| sb.append(','); |
| sb.append('\n'); |
| } |
| |
| return sb.toString(); |
| } |
| } |